diff options
Diffstat (limited to 'openo-portal/portal-lifecyclemgr/js/topo')
44 files changed, 0 insertions, 12428 deletions
diff --git a/openo-portal/portal-lifecyclemgr/js/topo/Edge.js b/openo-portal/portal-lifecyclemgr/js/topo/Edge.js deleted file mode 100644 index fbdcbd10..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/Edge.js +++ /dev/null @@ -1,33 +0,0 @@ -/* Copyright 2016, Huawei Technologies Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-var edgeColors = {
- red : "#f00",
- green: "#0f0",
- blue: "#00f",
- yellow: "#ff0",
- grey: "#ddd",
- black: "#000"
-}
-
-function Edge(id, label, source, target, size, color) {
- this.id = id;
- this.label = label;
- this.source = source;
- this.target = target;
- this.type = 'line';
- this.size = size;
- this.color = edgeColors[color];
-}
diff --git a/openo-portal/portal-lifecyclemgr/js/topo/Node.js b/openo-portal/portal-lifecyclemgr/js/topo/Node.js deleted file mode 100644 index 340947f7..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/Node.js +++ /dev/null @@ -1,35 +0,0 @@ -/* Copyright 2016, Huawei Technologies Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-var icon = {
- type1 : "js/topo/img/NEUP.png",
- type2 : "js/topo/img/NETWORK.png",
- type3 : "js/topo/img/site.png"
-}
-function Node(id, label, size, type, x, y) {
- this.id = id;
- this.label = label;
- this.type = "square";
- this.x = x;
- this.y = y;
- this.size = size;
- this.color = "white";
- this.borderColor = "white";
- this.image = {
- url : icon[type],
- scale : 1.0,
- clip : 1.0
- };
-}
diff --git a/openo-portal/portal-lifecyclemgr/js/topo/Topology.js b/openo-portal/portal-lifecyclemgr/js/topo/Topology.js deleted file mode 100644 index d8d27df9..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/Topology.js +++ /dev/null @@ -1,113 +0,0 @@ -/* Copyright 2016, Huawei Technologies Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-function Topology(containerId) {
-
- /**
- * IMPORTANT: This only works with the canvas renderer. TBD in the future
- * will also support the WebGL renderer.
- */
- sigma.utils.pkg('sigma.canvas.nodes');
-
- this.s = new sigma({
- graph : {
- nodes : [],
- edges : []
- },
- renderer : {
- // IMPORTANT:
- // This works only with the canvas renderer, so the
- // renderer type set as "canvas" is necessary here.
- container : document.getElementById(containerId),
- type : 'canvas'
- },
- settings : {
- minNodeSize : 4,
- maxNodeSize : 48,
- edgeLabelSize : 'proportional'
- }
- });
- this.addNode = addNode;
- this.addEdge = addEdge;
-}
-
-function addNode(node) {
-
- this.s.graph.addNode(node);
-
-}
-
-function addEdge(edge) {
- this.s.graph.addEdge(edge);
-}
-
-function init() {
-
- var node1 = new Node("1", "ThinCPE", 8, "type1", 0.2, 0.5);
- var node2 = new Node("2", "vCPE", 8, "type1", 0.5, 0.5);
- var node3 = new Node("3", "VPC", 16, "type2", 0.8, 0.5);
-
- var node4 = new Node("4", "Site", 16, "type3", 0.2, 0.55);
- var node5 = new Node("5", "POP", 24, "type3", 0.5, 0.55);
- var node6 = new Node("6", "DC", 32, "type3", 0.8, 0.55);
-
- var node7 = new Node("7", "vFW", 6, "type1", 0.45, 0.45);
- var node8 = new Node("8", "vLB", 6, "type1", 0.55, 0.45);
-
- var edge1 = new Edge("e1", "VxLAN", "1", "2", 0.5, "blue");
- var edge2 = new Edge("e2", "IPSec", "2", "3", 0.5, "green");
-
- var edge3 = new Edge("e3", "in", "1", "4", 0.5, "grey");
- var edge4 = new Edge("e4", "in", "2", "5", 0.5, "grey");
- var edge5 = new Edge("e5", "in", "3", "6", 0.5, "grey");
-
- var edge6 = new Edge("e6", "L2VPN", "4", "5", 0.5, "black");
- var edge7 = new Edge("e7", "L3VPN", "5", "6", 0.5, "black");
-
- var edge8 = new Edge("e8", "", "2", "7", 0.5, "yellow");
- var edge9 = new Edge("e9", "", "7", "8", 0.5, "yellow");
- var edge10 = new Edge("e10", "", "8", "2", 0.5, "yellow");
-
- var topology = new Topology("container");
-
- topology.addNode(node1);
- topology.addNode(node2);
- topology.addNode(node3);
- topology.addNode(node4);
- topology.addNode(node5);
- topology.addNode(node6);
- topology.addNode(node7);
- topology.addNode(node8);
-
- topology.addEdge(edge1);
- topology.addEdge(edge2);
- topology.addEdge(edge3);
- topology.addEdge(edge4);
- topology.addEdge(edge5);
-
-
- topology.addEdge(edge6);
- topology.addEdge(edge7);
- topology.addEdge(edge8);
- topology.addEdge(edge9);
- topology.addEdge(edge10);
-
- CustomShapes.init(topology.s);
- topology.s.refresh();
-}
-
-$(document).ready(function() {
- init();
-});
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files differdeleted file mode 100644 index 631c9ac1..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/img/u1963.png +++ /dev/null diff --git a/openo-portal/portal-lifecyclemgr/js/topo/sigma/LICENSE.txt b/openo-portal/portal-lifecyclemgr/js/topo/sigma/LICENSE.txt deleted file mode 100644 index 81739df1..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/sigma/LICENSE.txt +++ /dev/null @@ -1,12 +0,0 @@ -Copyright (C) 2013-2014, Alexis Jacomy, http://sigmajs.org - -Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), -to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, -and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS -IN THE SOFTWARE. diff --git a/openo-portal/portal-lifecyclemgr/js/topo/sigma/jquery-3.1.0.min.js b/openo-portal/portal-lifecyclemgr/js/topo/sigma/jquery-3.1.0.min.js deleted file mode 100644 index f6a6a99e..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/sigma/jquery-3.1.0.min.js +++ /dev/null @@ -1,4 +0,0 @@ -/*! jQuery v3.1.0 | (c) jQuery Foundation | jquery.org/license */ -!function(a,b){"use strict";"object"==typeof module&&"object"==typeof module.exports?module.exports=a.document?b(a,!0):function(a){if(!a.document)throw new Error("jQuery requires a window with a document");return b(a)}:b(a)}("undefined"!=typeof window?window:this,function(a,b){"use strict";var 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\ No newline at end of file diff --git a/openo-portal/portal-lifecyclemgr/js/topo/sigma/plugins/sigma.renderers.edgeLabels.min.js b/openo-portal/portal-lifecyclemgr/js/topo/sigma/plugins/sigma.renderers.edgeLabels.min.js deleted file mode 100644 index 5b6d07b2..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/sigma/plugins/sigma.renderers.edgeLabels.min.js +++ /dev/null @@ -1 +0,0 @@ -(function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.settings");var a={defaultEdgeLabelColor:"#000",defaultEdgeLabelActiveColor:"#000",defaultEdgeLabelSize:10,edgeLabelSize:"fixed",edgeLabelSizePowRatio:1,edgeLabelThreshold:1};sigma.settings=sigma.utils.extend(sigma.settings||{},a),sigma.settings.drawEdgeLabels=!0}).call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.canvas.edges.labels"),sigma.canvas.edges.labels.curve=function(a,b,c,d,e){if("string"==typeof a.label){var f=e("prefix")||"",g=a[f+"size"]||1;if(!(g<e("edgeLabelThreshold"))){var h,i,j,k=b[f+"size"],l=b[f+"x"],m=b[f+"y"],n=c[f+"x"],o=c[f+"y"],p=n-l,q=o-m,r=n>l?1:-1,s={},t=.5;b.id===c.id?(s=sigma.utils.getSelfLoopControlPoints(l,m,k),i=sigma.utils.getPointOnBezierCurve(t,l,m,n,o,s.x1,s.y1,s.x2,s.y2),j=Math.atan2(1,1)):(s=sigma.utils.getQuadraticControlPoint(l,m,n,o),i=sigma.utils.getPointOnQuadraticCurve(t,l,m,n,o,s.x,s.y),j=Math.atan2(q*r,p*r)),h="fixed"===e("edgeLabelSize")?e("defaultEdgeLabelSize"):e("defaultEdgeLabelSize")*g*Math.pow(g,-1/e("edgeLabelSizePowRatio")),d.save(),a.active?(d.font=[e("activeFontStyle"),h+"px",e("activeFont")||e("font")].join(" "),d.fillStyle="edge"===e("edgeActiveColor")?a.active_color||e("defaultEdgeActiveColor"):e("defaultEdgeLabelActiveColor")):(d.font=[e("fontStyle"),h+"px",e("font")].join(" "),d.fillStyle="edge"===e("edgeLabelColor")?a.color||e("defaultEdgeColor"):e("defaultEdgeLabelColor")),d.textAlign="center",d.textBaseline="alphabetic",d.translate(i.x,i.y),d.rotate(j),d.fillText(a.label,0,-g/2-3),d.restore()}}}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.canvas.edges.labels"),sigma.canvas.edges.labels.curvedArrow=function(a,b,c,d,e){sigma.canvas.edges.labels.curve(a,b,c,d,e)}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.canvas.edges.labels"),sigma.canvas.edges.labels.def=function(a,b,c,d,e){if("string"==typeof a.label&&b!=c){var f=e("prefix")||"",g=a[f+"size"]||1;if(!(g<e("edgeLabelThreshold"))){if(0===e("edgeLabelSizePowRatio"))throw'"edgeLabelSizePowRatio" must not be 0.';var h,i=(b[f+"x"]+c[f+"x"])/2,j=(b[f+"y"]+c[f+"y"])/2,k=c[f+"x"]-b[f+"x"],l=c[f+"y"]-b[f+"y"],m=b[f+"x"]<c[f+"x"]?1:-1,n=Math.atan2(l*m,k*m);h="fixed"===e("edgeLabelSize")?e("defaultEdgeLabelSize"):e("defaultEdgeLabelSize")*g*Math.pow(g,-1/e("edgeLabelSizePowRatio")),d.save(),a.active?(d.font=[e("activeFontStyle"),h+"px",e("activeFont")||e("font")].join(" "),d.fillStyle="edge"===e("edgeActiveColor")?a.active_color||e("defaultEdgeActiveColor"):e("defaultEdgeLabelActiveColor")):(d.font=[e("fontStyle"),h+"px",e("font")].join(" "),d.fillStyle="edge"===e("edgeLabelColor")?a.color||e("defaultEdgeColor"):e("defaultEdgeLabelColor")),d.textAlign="center",d.textBaseline="alphabetic",d.translate(i,j),d.rotate(n),d.fillText(a.label,0,-g/2-3),d.restore()}}}}.call(this);
\ No newline at end of file diff --git a/openo-portal/portal-lifecyclemgr/js/topo/sigma/sigma.min.js b/openo-portal/portal-lifecyclemgr/js/topo/sigma/sigma.min.js deleted file mode 100644 index a34250e0..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/sigma/sigma.min.js +++ /dev/null @@ -1,5 +0,0 @@ -/* sigma.js - A JavaScript library dedicated to graph drawing. - Version: 1.1.0 - Author: Alexis Jacomy, Sciences-Po Médialab - License: MIT */ -(function(a){"use strict";var b={},c=function(a){var d,e,f,g,h;c.classes.dispatcher.extend(this);var i=this,j=a||{};if("string"==typeof j||j instanceof HTMLElement?j={renderers:[j]}:"[object Array]"===Object.prototype.toString.call(j)&&(j={renderers:j}),g=j.renderers||j.renderer||j.container,j.renderers&&0!==j.renderers.length||("string"==typeof g||g instanceof HTMLElement||"object"==typeof g&&"container"in g)&&(j.renderers=[g]),j.id){if(b[j.id])throw'sigma: Instance "'+j.id+'" already exists.';Object.defineProperty(this,"id",{value:j.id})}else{for(h=0;b[h];)h++;Object.defineProperty(this,"id",{value:""+h})}for(b[this.id]=this,this.settings=new c.classes.configurable(c.settings,j.settings||{}),Object.defineProperty(this,"graph",{value:new c.classes.graph(this.settings),configurable:!0}),Object.defineProperty(this,"middlewares",{value:[],configurable:!0}),Object.defineProperty(this,"cameras",{value:{},configurable:!0}),Object.defineProperty(this,"renderers",{value:{},configurable:!0}),Object.defineProperty(this,"renderersPerCamera",{value:{},configurable:!0}),Object.defineProperty(this,"cameraFrames",{value:{},configurable:!0}),Object.defineProperty(this,"camera",{get:function(){return this.cameras[0]}}),Object.defineProperty(this,"events",{value:["click","rightClick","clickStage","doubleClickStage","rightClickStage","clickNode","clickNodes","doubleClickNode","doubleClickNodes","rightClickNode","rightClickNodes","overNode","overNodes","outNode","outNodes","downNode","downNodes","upNode","upNodes"],configurable:!0}),this._handler=function(a){var b,c={};for(b in a.data)c[b]=a.data[b];c.renderer=a.target,this.dispatchEvent(a.type,c)}.bind(this),f=j.renderers||[],d=0,e=f.length;e>d;d++)this.addRenderer(f[d]);for(f=j.middlewares||[],d=0,e=f.length;e>d;d++)this.middlewares.push("string"==typeof f[d]?c.middlewares[f[d]]:f[d]);"object"==typeof j.graph&&j.graph&&(this.graph.read(j.graph),this.refresh()),window.addEventListener("resize",function(){i.settings&&i.refresh()})};if(c.prototype.addCamera=function(b){var d,e=this;if(!arguments.length){for(b=0;this.cameras[""+b];)b++;b=""+b}if(this.cameras[b])throw'sigma.addCamera: The camera "'+b+'" already exists.';return d=new c.classes.camera(b,this.graph,this.settings),this.cameras[b]=d,d.quadtree=new c.classes.quad,c.classes.edgequad!==a&&(d.edgequadtree=new c.classes.edgequad),d.bind("coordinatesUpdated",function(){e.renderCamera(d,d.isAnimated)}),this.renderersPerCamera[b]=[],d},c.prototype.killCamera=function(a){if(a="string"==typeof a?this.cameras[a]:a,!a)throw"sigma.killCamera: The camera is undefined.";var b,c,d=this.renderersPerCamera[a.id];for(c=d.length,b=c-1;b>=0;b--)this.killRenderer(d[b]);return delete this.renderersPerCamera[a.id],delete this.cameraFrames[a.id],delete this.cameras[a.id],a.kill&&a.kill(),this},c.prototype.addRenderer=function(a){var b,d,e,f,g=a||{};if("string"==typeof g?g={container:document.getElementById(g)}:g instanceof HTMLElement&&(g={container:g}),"string"==typeof g.container&&(g.container=document.getElementById(g.container)),"id"in g)b=g.id;else{for(b=0;this.renderers[""+b];)b++;b=""+b}if(this.renderers[b])throw'sigma.addRenderer: The renderer "'+b+'" already exists.';if(d="function"==typeof g.type?g.type:c.renderers[g.type],d=d||c.renderers.def,e="camera"in g?g.camera instanceof c.classes.camera?g.camera:this.cameras[g.camera]||this.addCamera(g.camera):this.addCamera(),this.cameras[e.id]!==e)throw"sigma.addRenderer: The camera is not properly referenced.";return f=new d(this.graph,e,this.settings,g),this.renderers[b]=f,Object.defineProperty(f,"id",{value:b}),f.bind&&f.bind(["click","rightClick","clickStage","doubleClickStage","rightClickStage","clickNode","clickNodes","clickEdge","clickEdges","doubleClickNode","doubleClickNodes","doubleClickEdge","doubleClickEdges","rightClickNode","rightClickNodes","rightClickEdge","rightClickEdges","overNode","overNodes","overEdge","overEdges","outNode","outNodes","outEdge","outEdges","downNode","downNodes","downEdge","downEdges","upNode","upNodes","upEdge","upEdges"],this._handler),this.renderersPerCamera[e.id].push(f),f},c.prototype.killRenderer=function(a){if(a="string"==typeof a?this.renderers[a]:a,!a)throw"sigma.killRenderer: The renderer is undefined.";var b=this.renderersPerCamera[a.camera.id],c=b.indexOf(a);return c>=0&&b.splice(c,1),a.kill&&a.kill(),delete this.renderers[a.id],this},c.prototype.refresh=function(b){var d,e,f,g,h,i,j=0;for(b=b||{},g=this.middlewares||[],d=0,e=g.length;e>d;d++)g[d].call(this,0===d?"":"tmp"+j+":",d===e-1?"ready:":"tmp"+ ++j+":");for(f in this.cameras)h=this.cameras[f],h.settings("autoRescale")&&this.renderersPerCamera[h.id]&&this.renderersPerCamera[h.id].length?c.middlewares.rescale.call(this,g.length?"ready:":"",h.readPrefix,{width:this.renderersPerCamera[h.id][0].width,height:this.renderersPerCamera[h.id][0].height}):c.middlewares.copy.call(this,g.length?"ready:":"",h.readPrefix),b.skipIndexation||(i=c.utils.getBoundaries(this.graph,h.readPrefix),h.quadtree.index(this.graph.nodes(),{prefix:h.readPrefix,bounds:{x:i.minX,y:i.minY,width:i.maxX-i.minX,height:i.maxY-i.minY}}),h.edgequadtree!==a&&h.settings("drawEdges")&&h.settings("enableEdgeHovering")&&h.edgequadtree.index(this.graph,{prefix:h.readPrefix,bounds:{x:i.minX,y:i.minY,width:i.maxX-i.minX,height:i.maxY-i.minY}}));for(g=Object.keys(this.renderers),d=0,e=g.length;e>d;d++)if(this.renderers[g[d]].process)if(this.settings("skipErrors"))try{this.renderers[g[d]].process()}catch(k){console.log('Warning: The renderer "'+g[d]+'" crashed on ".process()"')}else this.renderers[g[d]].process();return this.render(),this},c.prototype.render=function(){var a,b,c;for(c=Object.keys(this.renderers),a=0,b=c.length;b>a;a++)if(this.settings("skipErrors"))try{this.renderers[c[a]].render()}catch(d){this.settings("verbose")&&console.log('Warning: The renderer "'+c[a]+'" crashed on ".render()"')}else this.renderers[c[a]].render();return this},c.prototype.renderCamera=function(a,b){var c,d,e,f=this;if(b)for(e=this.renderersPerCamera[a.id],c=0,d=e.length;d>c;c++)if(this.settings("skipErrors"))try{e[c].render()}catch(g){this.settings("verbose")&&console.log('Warning: The renderer "'+e[c].id+'" crashed on ".render()"')}else e[c].render();else if(!this.cameraFrames[a.id]){for(e=this.renderersPerCamera[a.id],c=0,d=e.length;d>c;c++)if(this.settings("skipErrors"))try{e[c].render()}catch(g){this.settings("verbose")&&console.log('Warning: The renderer "'+e[c].id+'" crashed on ".render()"')}else e[c].render();this.cameraFrames[a.id]=requestAnimationFrame(function(){delete f.cameraFrames[a.id]})}return this},c.prototype.kill=function(){var a;this.dispatchEvent("kill"),this.graph.kill(),delete this.middlewares;for(a in this.renderers)this.killRenderer(this.renderers[a]);for(a in this.cameras)this.killCamera(this.cameras[a]);delete this.renderers,delete this.cameras;for(a in this)this.hasOwnProperty(a)&&delete this[a];delete b[this.id]},c.instances=function(a){return arguments.length?b[a]:c.utils.extend({},b)},c.version="1.1.0","undefined"!=typeof this.sigma)throw"An object called sigma is already in the global scope.";this.sigma=c}).call(this),function(a){"use strict";function b(a,c){var d,e,f,g;if(arguments.length)if(1===arguments.length&&Object(arguments[0])===arguments[0])for(a in arguments[0])b(a,arguments[0][a]);else if(arguments.length>1)for(g=Array.isArray(a)?a:a.split(/ /),d=0,e=g.length;d!==e;d+=1)f=g[d],C[f]||(C[f]=[]),C[f].push({handler:c})}function c(a,b){var 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"'+a.id+'" already exists.';var b,c=Object.create(null);if(this.settings("clone"))for(b in a)"id"!==b&&"source"!==b&&"target"!==b&&(c[b]=a[b]);else c=a;return this.settings("immutable")?(Object.defineProperty(c,"id",{value:a.id,enumerable:!0}),Object.defineProperty(c,"source",{value:a.source,enumerable:!0}),Object.defineProperty(c,"target",{value:a.target,enumerable:!0})):(c.id=a.id,c.source=a.source,c.target=a.target),this.edgesArray.push(c),this.edgesIndex[c.id]=c,this.inNeighborsIndex[c.target][c.source]||(this.inNeighborsIndex[c.target][c.source]=Object.create(null)),this.inNeighborsIndex[c.target][c.source][c.id]=c,this.outNeighborsIndex[c.source][c.target]||(this.outNeighborsIndex[c.source][c.target]=Object.create(null)),this.outNeighborsIndex[c.source][c.target][c.id]=c,this.allNeighborsIndex[c.source][c.target]||(this.allNeighborsIndex[c.source][c.target]=Object.create(null)),this.allNeighborsIndex[c.source][c.target][c.id]=c,c.target!==c.source&&(this.allNeighborsIndex[c.target][c.source]||(this.allNeighborsIndex[c.target][c.source]=Object.create(null)),this.allNeighborsIndex[c.target][c.source][c.id]=c),this.inNeighborsCount[c.target]++,this.outNeighborsCount[c.source]++,this.allNeighborsCount[c.target]++,this.allNeighborsCount[c.source]++,this}),j.addMethod("dropNode",function(a){if("string"!=typeof a&&"number"!=typeof a||1!==arguments.length)throw"dropNode: Wrong arguments.";if(!this.nodesIndex[a])throw'The node "'+a+'" does not exist.';var b,c,d;for(delete this.nodesIndex[a],b=0,d=this.nodesArray.length;d>b;b++)if(this.nodesArray[b].id===a){this.nodesArray.splice(b,1);break}for(b=this.edgesArray.length-1;b>=0;b--)(this.edgesArray[b].source===a||this.edgesArray[b].target===a)&&this.dropEdge(this.edgesArray[b].id);delete this.inNeighborsIndex[a],delete this.outNeighborsIndex[a],delete this.allNeighborsIndex[a],delete this.inNeighborsCount[a],delete this.outNeighborsCount[a],delete this.allNeighborsCount[a];for(c in this.nodesIndex)delete this.inNeighborsIndex[c][a],delete this.outNeighborsIndex[c][a],delete this.allNeighborsIndex[c][a];return this}),j.addMethod("dropEdge",function(a){if("string"!=typeof a&&"number"!=typeof a||1!==arguments.length)throw"dropEdge: Wrong arguments.";if(!this.edgesIndex[a])throw'The edge "'+a+'" does not exist.';var b,c,d;for(d=this.edgesIndex[a],delete this.edgesIndex[a],b=0,c=this.edgesArray.length;c>b;b++)if(this.edgesArray[b].id===a){this.edgesArray.splice(b,1);break}return delete this.inNeighborsIndex[d.target][d.source][d.id],Object.keys(this.inNeighborsIndex[d.target][d.source]).length||delete this.inNeighborsIndex[d.target][d.source],delete this.outNeighborsIndex[d.source][d.target][d.id],Object.keys(this.outNeighborsIndex[d.source][d.target]).length||delete this.outNeighborsIndex[d.source][d.target],delete this.allNeighborsIndex[d.source][d.target][d.id],Object.keys(this.allNeighborsIndex[d.source][d.target]).length||delete this.allNeighborsIndex[d.source][d.target],d.target!==d.source&&(delete this.allNeighborsIndex[d.target][d.source][d.id],Object.keys(this.allNeighborsIndex[d.target][d.source]).length||delete this.allNeighborsIndex[d.target][d.source]),this.inNeighborsCount[d.target]--,this.outNeighborsCount[d.source]--,this.allNeighborsCount[d.source]--,this.allNeighborsCount[d.target]--,this}),j.addMethod("kill",function(){this.nodesArray.length=0,this.edgesArray.length=0,delete this.nodesArray,delete this.edgesArray,delete this.nodesIndex,delete this.edgesIndex,delete this.inNeighborsIndex,delete this.outNeighborsIndex,delete this.allNeighborsIndex,delete this.inNeighborsCount,delete this.outNeighborsCount,delete this.allNeighborsCount -}),j.addMethod("clear",function(){return this.nodesArray.length=0,this.edgesArray.length=0,b(this.nodesIndex),b(this.edgesIndex),b(this.nodesIndex),b(this.inNeighborsIndex),b(this.outNeighborsIndex),b(this.allNeighborsIndex),b(this.inNeighborsCount),b(this.outNeighborsCount),b(this.allNeighborsCount),this}),j.addMethod("read",function(a){var b,c,d;for(c=a.nodes||[],b=0,d=c.length;d>b;b++)this.addNode(c[b]);for(c=a.edges||[],b=0,d=c.length;d>b;b++)this.addEdge(c[b]);return this}),j.addMethod("nodes",function(a){if(!arguments.length)return this.nodesArray.slice(0);if(1===arguments.length&&("string"==typeof a||"number"==typeof a))return this.nodesIndex[a];if(1===arguments.length&&"[object Array]"===Object.prototype.toString.call(a)){var b,c,d=[];for(b=0,c=a.length;c>b;b++){if("string"!=typeof a[b]&&"number"!=typeof a[b])throw"nodes: Wrong arguments.";d.push(this.nodesIndex[a[b]])}return d}throw"nodes: Wrong arguments."}),j.addMethod("degree",function(a,b){if(b={"in":this.inNeighborsCount,out:this.outNeighborsCount}[b||""]||this.allNeighborsCount,"string"==typeof a||"number"==typeof a)return b[a];if("[object Array]"===Object.prototype.toString.call(a)){var c,d,e=[];for(c=0,d=a.length;d>c;c++){if("string"!=typeof a[c]&&"number"!=typeof a[c])throw"degree: Wrong arguments.";e.push(b[a[c]])}return e}throw"degree: Wrong arguments."}),j.addMethod("edges",function(a){if(!arguments.length)return this.edgesArray.slice(0);if(1===arguments.length&&("string"==typeof a||"number"==typeof a))return this.edgesIndex[a];if(1===arguments.length&&"[object Array]"===Object.prototype.toString.call(a)){var b,c,d=[];for(b=0,c=a.length;c>b;b++){if("string"!=typeof a[b]&&"number"!=typeof a[b])throw"edges: Wrong arguments.";d.push(this.edgesIndex[a[b]])}return d}throw"edges: Wrong arguments."}),"undefined"!=typeof sigma?(sigma.classes=sigma.classes||Object.create(null),sigma.classes.graph=j):"undefined"!=typeof exports?("undefined"!=typeof module&&module.exports&&(exports=module.exports=j),exports.graph=j):this.graph=j}.call(this),function(a){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.classes"),sigma.classes.camera=function(a,b,c,d){sigma.classes.dispatcher.extend(this),Object.defineProperty(this,"graph",{value:b}),Object.defineProperty(this,"id",{value:a}),Object.defineProperty(this,"readPrefix",{value:"read_cam"+a+":"}),Object.defineProperty(this,"prefix",{value:"cam"+a+":"}),this.x=0,this.y=0,this.ratio=1,this.angle=0,this.isAnimated=!1,this.settings="object"==typeof d&&d?c.embedObject(d):c},sigma.classes.camera.prototype.goTo=function(b){if(!this.settings("enableCamera"))return this;var c,d,e=b||{},f=["x","y","ratio","angle"];for(c=0,d=f.length;d>c;c++)if(e[f[c]]!==a){if("number"!=typeof e[f[c]]||isNaN(e[f[c]]))throw'Value for "'+f[c]+'" is not a number.';this[f[c]]=e[f[c]]}return this.dispatchEvent("coordinatesUpdated"),this},sigma.classes.camera.prototype.applyView=function(b,c,d){d=d||{},c=c!==a?c:this.prefix,b=b!==a?b:this.readPrefix;var e,f,g,h=d.nodes||this.graph.nodes(),i=d.edges||this.graph.edges(),j=Math.cos(this.angle),k=Math.sin(this.angle),l=Math.pow(this.ratio,this.settings("nodesPowRatio")),m=Math.pow(this.ratio,this.settings("edgesPowRatio")),n=(d.width||0)/2,o=(d.height||0)/2;for(e=0,f=h.length;f>e;e++)g=h[e],g[c+"x"]=(((g[b+"x"]||0)-this.x)*j+((g[b+"y"]||0)-this.y)*k)/this.ratio+n,g[c+"y"]=(((g[b+"y"]||0)-this.y)*j-((g[b+"x"]||0)-this.x)*k)/this.ratio+o,g[c+"size"]=(g[b+"size"]||0)/l;for(e=0,f=i.length;f>e;e++)i[e][c+"size"]=(i[e][b+"size"]||0)/m;return this},sigma.classes.camera.prototype.graphPosition=function(a,b,c){var d=0,e=0,f=Math.cos(this.angle),g=Math.sin(this.angle);return c||(d=-(this.x*f+this.y*g)/this.ratio,e=-(this.y*f-this.x*g)/this.ratio),{x:(a*f+b*g)/this.ratio+d,y:(b*f-a*g)/this.ratio+e}},sigma.classes.camera.prototype.cameraPosition=function(a,b,c){var d=0,e=0,f=Math.cos(this.angle),g=Math.sin(this.angle);return c||(d=-(this.x*f+this.y*g)/this.ratio,e=-(this.y*f-this.x*g)/this.ratio),{x:((a-d)*f-(b-e)*g)*this.ratio,y:((b-e)*f+(a-d)*g)*this.ratio}},sigma.classes.camera.prototype.getMatrix=function(){var a=sigma.utils.matrices.scale(1/this.ratio),b=sigma.utils.matrices.rotation(this.angle),c=sigma.utils.matrices.translation(-this.x,-this.y),d=sigma.utils.matrices.multiply(c,sigma.utils.matrices.multiply(b,a));return d},sigma.classes.camera.prototype.getRectangle=function(a,b){var c=this.cameraPosition(a,0,!0),d=this.cameraPosition(0,b,!0),e=this.cameraPosition(a/2,b/2,!0),f=this.cameraPosition(a/4,0,!0).x,g=this.cameraPosition(0,b/4,!0).y;return{x1:this.x-e.x-f,y1:this.y-e.y-g,x2:this.x-e.x+f+c.x,y2:this.y-e.y-g+c.y,height:Math.sqrt(Math.pow(d.x,2)+Math.pow(d.y+2*g,2))}}}.call(this),function(a){"use strict";function b(a,b){var c=b.x+b.width/2,d=b.y+b.height/2,e=a.y<d,f=a.x<c;return e?f?0:1:f?2:3}function c(a,b){for(var c=[],d=0;4>d;d++)a.x2>=b[d][0].x&&a.x1<=b[d][1].x&&a.y1+a.height>=b[d][0].y&&a.y1<=b[d][2].y&&c.push(d);return c}function d(a,b){for(var c=[],d=0;4>d;d++)j.collision(a,b[d])&&c.push(d);return c}function e(a,b){var c,d,e=b.level+1,f=Math.round(b.bounds.width/2),g=Math.round(b.bounds.height/2),h=Math.round(b.bounds.x),j=Math.round(b.bounds.y);switch(a){case 0:c=h,d=j;break;case 1:c=h+f,d=j;break;case 2:c=h,d=j+g;break;case 3:c=h+f,d=j+g}return i({x:c,y:d,width:f,height:g},e,b.maxElements,b.maxLevel)}function f(b,d,g){if(g.level<g.maxLevel)for(var h=c(d,g.corners),i=0,j=h.length;j>i;i++)g.nodes[h[i]]===a&&(g.nodes[h[i]]=e(h[i],g)),f(b,d,g.nodes[h[i]]);else g.elements.push(b)}function g(c,d){if(d.level<d.maxLevel){var e=b(c,d.bounds);return d.nodes[e]!==a?g(c,d.nodes[e]):[]}return d.elements}function h(b,c,d,e){if(e=e||{},c.level<c.maxLevel)for(var f=d(b,c.corners),g=0,i=f.length;i>g;g++)c.nodes[f[g]]!==a&&h(b,c.nodes[f[g]],d,e);else for(var j=0,k=c.elements.length;k>j;j++)e[c.elements[j].id]===a&&(e[c.elements[j].id]=c.elements[j]);return e}function i(a,b,c,d){return{level:b||0,bounds:a,corners:j.splitSquare(a),maxElements:c||20,maxLevel:d||4,elements:[],nodes:[]}}var j={pointToSquare:function(a){return{x1:a.x-a.size,y1:a.y-a.size,x2:a.x+a.size,y2:a.y-a.size,height:2*a.size}},isAxisAligned:function(a){return a.x1===a.x2||a.y1===a.y2},axisAlignedTopPoints:function(a){return a.y1===a.y2&&a.x1<a.x2?a:a.x1===a.x2&&a.y2>a.y1?{x1:a.x1-a.height,y1:a.y1,x2:a.x1,y2:a.y1,height:a.height}:a.x1===a.x2&&a.y2<a.y1?{x1:a.x1,y1:a.y2,x2:a.x2+a.height,y2:a.y2,height:a.height}:{x1:a.x2,y1:a.y1-a.height,x2:a.x1,y2:a.y1-a.height,height:a.height}},lowerLeftCoor:function(a){var b=Math.sqrt(Math.pow(a.x2-a.x1,2)+Math.pow(a.y2-a.y1,2));return{x:a.x1-(a.y2-a.y1)*a.height/b,y:a.y1+(a.x2-a.x1)*a.height/b}},lowerRightCoor:function(a,b){return{x:b.x-a.x1+a.x2,y:b.y-a.y1+a.y2}},rectangleCorners:function(a){var b=this.lowerLeftCoor(a),c=this.lowerRightCoor(a,b);return[{x:a.x1,y:a.y1},{x:a.x2,y:a.y2},{x:b.x,y:b.y},{x:c.x,y:c.y}]},splitSquare:function(a){return[[{x:a.x,y:a.y},{x:a.x+a.width/2,y:a.y},{x:a.x,y:a.y+a.height/2},{x:a.x+a.width/2,y:a.y+a.height/2}],[{x:a.x+a.width/2,y:a.y},{x:a.x+a.width,y:a.y},{x:a.x+a.width/2,y:a.y+a.height/2},{x:a.x+a.width,y:a.y+a.height/2}],[{x:a.x,y:a.y+a.height/2},{x:a.x+a.width/2,y:a.y+a.height/2},{x:a.x,y:a.y+a.height},{x:a.x+a.width/2,y:a.y+a.height}],[{x:a.x+a.width/2,y:a.y+a.height/2},{x:a.x+a.width,y:a.y+a.height/2},{x:a.x+a.width/2,y:a.y+a.height},{x:a.x+a.width,y:a.y+a.height}]]},axis:function(a,b){return[{x:a[1].x-a[0].x,y:a[1].y-a[0].y},{x:a[1].x-a[3].x,y:a[1].y-a[3].y},{x:b[0].x-b[2].x,y:b[0].y-b[2].y},{x:b[0].x-b[1].x,y:b[0].y-b[1].y}]},projection:function(a,b){var c=(a.x*b.x+a.y*b.y)/(Math.pow(b.x,2)+Math.pow(b.y,2));return{x:c*b.x,y:c*b.y}},axisCollision:function(a,b,c){for(var d=[],e=[],f=0;4>f;f++){var g=this.projection(b[f],a),h=this.projection(c[f],a);d.push(g.x*a.x+g.y*a.y),e.push(h.x*a.x+h.y*a.y)}var i=Math.max.apply(Math,d),j=Math.max.apply(Math,e),k=Math.min.apply(Math,d),l=Math.min.apply(Math,e);return i>=l&&j>=k},collision:function(a,b){for(var c=this.axis(a,b),d=!0,e=0;4>e;e++)d=d&&this.axisCollision(c[e],a,b);return d}},k=function(){this._geom=j,this._tree=null,this._cache={query:!1,result:!1}};k.prototype.index=function(a,b){if(!b.bounds)throw"sigma.classes.quad.index: bounds information not given.";var c=b.prefix||"";this._tree=i(b.bounds,0,b.maxElements,b.maxLevel);for(var d=0,e=a.length;e>d;d++)f(a[d],j.pointToSquare({x:a[d][c+"x"],y:a[d][c+"y"],size:a[d][c+"size"]}),this._tree);return this._cache={query:!1,result:!1},this._tree},k.prototype.point=function(a,b){return this._tree?g({x:a,y:b},this._tree)||[]:[]},k.prototype.area=function(a){var b,e,f=JSON.stringify(a);if(this._cache.query===f)return this._cache.result;j.isAxisAligned(a)?(b=c,e=j.axisAlignedTopPoints(a)):(b=d,e=j.rectangleCorners(a));var g=this._tree?h(e,this._tree,b):[],i=[];for(var k in g)i.push(g[k]);return this._cache.query=f,this._cache.result=i,i},"undefined"!=typeof this.sigma?(this.sigma.classes=this.sigma.classes||{},this.sigma.classes.quad=k):"undefined"!=typeof exports?("undefined"!=typeof module&&module.exports&&(exports=module.exports=k),exports.quad=k):this.quad=k}.call(this),function(a){"use strict";function b(a,b){var c=b.x+b.width/2,d=b.y+b.height/2,e=a.y<d,f=a.x<c;return e?f?0:1:f?2:3}function c(a,b){for(var c=[],d=0;4>d;d++)a.x2>=b[d][0].x&&a.x1<=b[d][1].x&&a.y1+a.height>=b[d][0].y&&a.y1<=b[d][2].y&&c.push(d);return c}function d(a,b){for(var c=[],d=0;4>d;d++)j.collision(a,b[d])&&c.push(d);return c}function e(a,b){var c,d,e=b.level+1,f=Math.round(b.bounds.width/2),g=Math.round(b.bounds.height/2),h=Math.round(b.bounds.x),j=Math.round(b.bounds.y);switch(a){case 0:c=h,d=j;break;case 1:c=h+f,d=j;break;case 2:c=h,d=j+g;break;case 3:c=h+f,d=j+g}return i({x:c,y:d,width:f,height:g},e,b.maxElements,b.maxLevel)}function f(b,d,g){if(g.level<g.maxLevel)for(var h=c(d,g.corners),i=0,j=h.length;j>i;i++)g.nodes[h[i]]===a&&(g.nodes[h[i]]=e(h[i],g)),f(b,d,g.nodes[h[i]]);else g.elements.push(b)}function g(c,d){if(d.level<d.maxLevel){var e=b(c,d.bounds);return d.nodes[e]!==a?g(c,d.nodes[e]):[]}return d.elements}function h(b,c,d,e){if(e=e||{},c.level<c.maxLevel)for(var f=d(b,c.corners),g=0,i=f.length;i>g;g++)c.nodes[f[g]]!==a&&h(b,c.nodes[f[g]],d,e);else for(var j=0,k=c.elements.length;k>j;j++)e[c.elements[j].id]===a&&(e[c.elements[j].id]=c.elements[j]);return e}function i(a,b,c,d){return{level:b||0,bounds:a,corners:j.splitSquare(a),maxElements:c||40,maxLevel:d||8,elements:[],nodes:[]}}var j={pointToSquare:function(a){return{x1:a.x-a.size,y1:a.y-a.size,x2:a.x+a.size,y2:a.y-a.size,height:2*a.size}},lineToSquare:function(a){return a.y1<a.y2?a.x1<a.x2?{x1:a.x1-a.size,y1:a.y1-a.size,x2:a.x2+a.size,y2:a.y1-a.size,height:a.y2-a.y1+2*a.size}:{x1:a.x2-a.size,y1:a.y1-a.size,x2:a.x1+a.size,y2:a.y1-a.size,height:a.y2-a.y1+2*a.size}:a.x1<a.x2?{x1:a.x1-a.size,y1:a.y2-a.size,x2:a.x2+a.size,y2:a.y2-a.size,height:a.y1-a.y2+2*a.size}:{x1:a.x2-a.size,y1:a.y2-a.size,x2:a.x1+a.size,y2:a.y2-a.size,height:a.y1-a.y2+2*a.size}},quadraticCurveToSquare:function(a,b){var c=sigma.utils.getPointOnQuadraticCurve(.5,a.x1,a.y1,a.x2,a.y2,b.x,b.y),d=Math.min(a.x1,a.x2,c.x),e=Math.max(a.x1,a.x2,c.x),f=Math.min(a.y1,a.y2,c.y),g=Math.max(a.y1,a.y2,c.y);return{x1:d-a.size,y1:f-a.size,x2:e+a.size,y2:f-a.size,height:g-f+2*a.size}},selfLoopToSquare:function(a){var b=sigma.utils.getSelfLoopControlPoints(a.x,a.y,a.size),c=Math.min(a.x,b.x1,b.x2),d=Math.max(a.x,b.x1,b.x2),e=Math.min(a.y,b.y1,b.y2),f=Math.max(a.y,b.y1,b.y2);return{x1:c-a.size,y1:e-a.size,x2:d+a.size,y2:e-a.size,height:f-e+2*a.size}},isAxisAligned:function(a){return a.x1===a.x2||a.y1===a.y2},axisAlignedTopPoints:function(a){return a.y1===a.y2&&a.x1<a.x2?a:a.x1===a.x2&&a.y2>a.y1?{x1:a.x1-a.height,y1:a.y1,x2:a.x1,y2:a.y1,height:a.height}:a.x1===a.x2&&a.y2<a.y1?{x1:a.x1,y1:a.y2,x2:a.x2+a.height,y2:a.y2,height:a.height}:{x1:a.x2,y1:a.y1-a.height,x2:a.x1,y2:a.y1-a.height,height:a.height}},lowerLeftCoor:function(a){var b=Math.sqrt(Math.pow(a.x2-a.x1,2)+Math.pow(a.y2-a.y1,2));return{x:a.x1-(a.y2-a.y1)*a.height/b,y:a.y1+(a.x2-a.x1)*a.height/b}},lowerRightCoor:function(a,b){return{x:b.x-a.x1+a.x2,y:b.y-a.y1+a.y2}},rectangleCorners:function(a){var b=this.lowerLeftCoor(a),c=this.lowerRightCoor(a,b);return[{x:a.x1,y:a.y1},{x:a.x2,y:a.y2},{x:b.x,y:b.y},{x:c.x,y:c.y}]},splitSquare:function(a){return[[{x:a.x,y:a.y},{x:a.x+a.width/2,y:a.y},{x:a.x,y:a.y+a.height/2},{x:a.x+a.width/2,y:a.y+a.height/2}],[{x:a.x+a.width/2,y:a.y},{x:a.x+a.width,y:a.y},{x:a.x+a.width/2,y:a.y+a.height/2},{x:a.x+a.width,y:a.y+a.height/2}],[{x:a.x,y:a.y+a.height/2},{x:a.x+a.width/2,y:a.y+a.height/2},{x:a.x,y:a.y+a.height},{x:a.x+a.width/2,y:a.y+a.height}],[{x:a.x+a.width/2,y:a.y+a.height/2},{x:a.x+a.width,y:a.y+a.height/2},{x:a.x+a.width/2,y:a.y+a.height},{x:a.x+a.width,y:a.y+a.height}]]},axis:function(a,b){return[{x:a[1].x-a[0].x,y:a[1].y-a[0].y},{x:a[1].x-a[3].x,y:a[1].y-a[3].y},{x:b[0].x-b[2].x,y:b[0].y-b[2].y},{x:b[0].x-b[1].x,y:b[0].y-b[1].y}]},projection:function(a,b){var c=(a.x*b.x+a.y*b.y)/(Math.pow(b.x,2)+Math.pow(b.y,2));return{x:c*b.x,y:c*b.y}},axisCollision:function(a,b,c){for(var d=[],e=[],f=0;4>f;f++){var g=this.projection(b[f],a),h=this.projection(c[f],a);d.push(g.x*a.x+g.y*a.y),e.push(h.x*a.x+h.y*a.y)}var i=Math.max.apply(Math,d),j=Math.max.apply(Math,e),k=Math.min.apply(Math,d),l=Math.min.apply(Math,e);return i>=l&&j>=k},collision:function(a,b){for(var c=this.axis(a,b),d=!0,e=0;4>e;e++)d=d&&this.axisCollision(c[e],a,b);return d}},k=function(){this._geom=j,this._tree=null,this._cache={query:!1,result:!1},this._enabled=!0};k.prototype.index=function(a,b){if(!this._enabled)return this._tree;if(!b.bounds)throw"sigma.classes.edgequad.index: bounds information not given.";var c,d,e,g,h,k=b.prefix||"";this._tree=i(b.bounds,0,b.maxElements,b.maxLevel);for(var l=a.edges(),m=0,n=l.length;n>m;m++)d=a.nodes(l[m].source),e=a.nodes(l[m].target),h={x1:d[k+"x"],y1:d[k+"y"],x2:e[k+"x"],y2:e[k+"y"],size:l[m][k+"size"]||0},"curve"===l[m].type||"curvedArrow"===l[m].type?d.id===e.id?(g={x:d[k+"x"],y:d[k+"y"],size:d[k+"size"]||0},f(l[m],j.selfLoopToSquare(g),this._tree)):(c=sigma.utils.getQuadraticControlPoint(h.x1,h.y1,h.x2,h.y2),f(l[m],j.quadraticCurveToSquare(h,c),this._tree)):f(l[m],j.lineToSquare(h),this._tree);return this._cache={query:!1,result:!1},this._tree},k.prototype.point=function(a,b){return this._enabled&&this._tree?g({x:a,y:b},this._tree)||[]:[]},k.prototype.area=function(a){if(!this._enabled)return[];var b,e,f=JSON.stringify(a);if(this._cache.query===f)return this._cache.result;j.isAxisAligned(a)?(b=c,e=j.axisAlignedTopPoints(a)):(b=d,e=j.rectangleCorners(a));var g=this._tree?h(e,this._tree,b):[],i=[];for(var k in g)i.push(g[k]);return this._cache.query=f,this._cache.result=i,i},"undefined"!=typeof this.sigma?(this.sigma.classes=this.sigma.classes||{},this.sigma.classes.edgequad=k):"undefined"!=typeof exports?("undefined"!=typeof module&&module.exports&&(exports=module.exports=k),exports.edgequad=k):this.edgequad=k}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.captors"),sigma.captors.mouse=function(a,b,c){function d(a){var b,c,d;return y("mouseEnabled")&&(v.dispatchEvent("mousemove",sigma.utils.mouseCoords(a)),q)?(r=!0,s=!0,u&&clearTimeout(u),u=setTimeout(function(){r=!1},y("dragTimeout")),sigma.misc.animation.killAll(x),x.isMoving=!0,d=x.cameraPosition(sigma.utils.getX(a)-o,sigma.utils.getY(a)-p,!0),b=k-d.x,c=l-d.y,(b!==x.x||c!==x.y)&&(m=x.x,n=x.y,x.goTo({x:b,y:c})),a.preventDefault?a.preventDefault():a.returnValue=!1,a.stopPropagation(),!1):void 0}function e(a){if(y("mouseEnabled")&&q){q=!1,u&&clearTimeout(u),x.isMoving=!1;var b=sigma.utils.getX(a),c=sigma.utils.getY(a);r?(sigma.misc.animation.killAll(x),sigma.misc.animation.camera(x,{x:x.x+y("mouseInertiaRatio")*(x.x-m),y:x.y+y("mouseInertiaRatio")*(x.y-n)},{easing:"quadraticOut",duration:y("mouseInertiaDuration")})):(o!==b||p!==c)&&x.goTo({x:x.x,y:x.y}),v.dispatchEvent("mouseup",sigma.utils.mouseCoords(a)),r=!1}}function f(a){if(y("mouseEnabled"))switch(k=x.x,l=x.y,m=x.x,n=x.y,o=sigma.utils.getX(a),p=sigma.utils.getY(a),s=!1,t=(new Date).getTime(),a.which){case 2:break;case 3:v.dispatchEvent("rightclick",sigma.utils.mouseCoords(a,o,p));break;default:q=!0,v.dispatchEvent("mousedown",sigma.utils.mouseCoords(a,o,p))}}function g(){y("mouseEnabled")&&v.dispatchEvent("mouseout")}function h(a){if(y("mouseEnabled")){var b=sigma.utils.mouseCoords(a);b.isDragging=(new Date).getTime()-t>100&&s,v.dispatchEvent("click",b)}return a.preventDefault?a.preventDefault():a.returnValue=!1,a.stopPropagation(),!1}function i(a){var b,c,d;return y("mouseEnabled")?(c=1/y("doubleClickZoomingRatio"),v.dispatchEvent("doubleclick",sigma.utils.mouseCoords(a,o,p)),y("doubleClickEnabled")&&(b=x.cameraPosition(sigma.utils.getX(a)-sigma.utils.getCenter(a).x,sigma.utils.getY(a)-sigma.utils.getCenter(a).y,!0),d={duration:y("doubleClickZoomDuration")},sigma.utils.zoomTo(x,b.x,b.y,c,d)),a.preventDefault?a.preventDefault():a.returnValue=!1,a.stopPropagation(),!1):void 0}function j(a){var b,c,d;return y("mouseEnabled")&&y("mouseWheelEnabled")?(c=sigma.utils.getDelta(a)>0?1/y("zoomingRatio"):y("zoomingRatio"),b=x.cameraPosition(sigma.utils.getX(a)-sigma.utils.getCenter(a).x,sigma.utils.getY(a)-sigma.utils.getCenter(a).y,!0),d={duration:y("mouseZoomDuration")},sigma.utils.zoomTo(x,b.x,b.y,c,d),a.preventDefault?a.preventDefault():a.returnValue=!1,a.stopPropagation(),!1):void 0}var k,l,m,n,o,p,q,r,s,t,u,v=this,w=a,x=b,y=c;sigma.classes.dispatcher.extend(this),sigma.utils.doubleClick(w,"click",i),w.addEventListener("DOMMouseScroll",j,!1),w.addEventListener("mousewheel",j,!1),w.addEventListener("mousemove",d,!1),w.addEventListener("mousedown",f,!1),w.addEventListener("click",h,!1),w.addEventListener("mouseout",g,!1),document.addEventListener("mouseup",e,!1),this.kill=function(){sigma.utils.unbindDoubleClick(w,"click"),w.removeEventListener("DOMMouseScroll",j),w.removeEventListener("mousewheel",j),w.removeEventListener("mousemove",d),w.removeEventListener("mousedown",f),w.removeEventListener("click",h),w.removeEventListener("mouseout",g),document.removeEventListener("mouseup",e)}}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.captors"),sigma.captors.touch=function(a,b,c){function d(a){var b=sigma.utils.getOffset(B);return{x:a.pageX-b.left,y:a.pageY-b.top}}function e(a){if(D("touchEnabled")){var b,c,e,f,g,h;switch(E=a.touches,E.length){case 1:C.isMoving=!0,w=1,i=C.x,j=C.y,m=C.x,n=C.y,g=d(E[0]),q=g.x,r=g.y;break;case 2:return C.isMoving=!0,w=2,g=d(E[0]),h=d(E[1]),b=g.x,e=g.y,c=h.x,f=h.y,m=C.x,n=C.y,k=C.angle,l=C.ratio,i=C.x,j=C.y,q=b,r=e,s=c,t=f,u=Math.atan2(t-r,s-q),v=Math.sqrt((t-r)*(t-r)+(s-q)*(s-q)),a.preventDefault(),!1}}}function f(a){if(D("touchEnabled")){E=a.touches;var b=D("touchInertiaRatio");switch(z&&(x=!1,clearTimeout(z)),w){case 2:if(1===a.touches.length){e(a),a.preventDefault();break}case 1:C.isMoving=!1,A.dispatchEvent("stopDrag"),x&&(y=!1,sigma.misc.animation.camera(C,{x:C.x+b*(C.x-m),y:C.y+b*(C.y-n)},{easing:"quadraticOut",duration:D("touchInertiaDuration")})),x=!1,w=0}}}function g(a){if(!y&&D("touchEnabled")){var b,c,e,f,g,h,B,F,G,H,I,J,K,L,M,N,O;switch(E=a.touches,x=!0,z&&clearTimeout(z),z=setTimeout(function(){x=!1},D("dragTimeout")),w){case 1:F=d(E[0]),b=F.x,e=F.y,H=C.cameraPosition(b-q,e-r,!0),L=i-H.x,M=j-H.y,(L!==C.x||M!==C.y)&&(m=C.x,n=C.y,C.goTo({x:L,y:M}),A.dispatchEvent("mousemove",sigma.utils.mouseCoords(a,F.x,F.y)),A.dispatchEvent("drag"));break;case 2:F=d(E[0]),G=d(E[1]),b=F.x,e=F.y,c=G.x,f=G.y,I=C.cameraPosition((q+s)/2-sigma.utils.getCenter(a).x,(r+t)/2-sigma.utils.getCenter(a).y,!0),B=C.cameraPosition((b+c)/2-sigma.utils.getCenter(a).x,(e+f)/2-sigma.utils.getCenter(a).y,!0),J=Math.atan2(f-e,c-b)-u,K=Math.sqrt((f-e)*(f-e)+(c-b)*(c-b))/v,b=I.x,e=I.y,N=l/K,b*=K,e*=K,O=k-J,g=Math.cos(-J),h=Math.sin(-J),c=b*g+e*h,f=e*g-b*h,b=c,e=f,L=b-B.x+i,M=e-B.y+j,(N!==C.ratio||O!==C.angle||L!==C.x||M!==C.y)&&(m=C.x,n=C.y,o=C.angle,p=C.ratio,C.goTo({x:L,y:M,angle:O,ratio:N}),A.dispatchEvent("drag"))}return a.preventDefault(),!1}}function h(a){var b,c,e;return a.touches&&1===a.touches.length&&D("touchEnabled")?(y=!0,c=1/D("doubleClickZoomingRatio"),b=d(a.touches[0]),A.dispatchEvent("doubleclick",sigma.utils.mouseCoords(a,b.x,b.y)),D("doubleClickEnabled")&&(b=C.cameraPosition(b.x-sigma.utils.getCenter(a).x,b.y-sigma.utils.getCenter(a).y,!0),e={duration:D("doubleClickZoomDuration"),onComplete:function(){y=!1}},sigma.utils.zoomTo(C,b.x,b.y,c,e)),a.preventDefault?a.preventDefault():a.returnValue=!1,a.stopPropagation(),!1):void 0}var i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A=this,B=a,C=b,D=c,E=[];sigma.classes.dispatcher.extend(this),sigma.utils.doubleClick(B,"touchstart",h),B.addEventListener("touchstart",e,!1),B.addEventListener("touchend",f,!1),B.addEventListener("touchcancel",f,!1),B.addEventListener("touchleave",f,!1),B.addEventListener("touchmove",g,!1),this.kill=function(){sigma.utils.unbindDoubleClick(B,"touchstart"),B.addEventListener("touchstart",e),B.addEventListener("touchend",f),B.addEventListener("touchcancel",f),B.addEventListener("touchleave",f),B.addEventListener("touchmove",g)}}}.call(this),function(a){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";if("undefined"==typeof conrad)throw"conrad is not declared";sigma.utils.pkg("sigma.renderers"),sigma.renderers.canvas=function(a,b,c,d){if("object"!=typeof d)throw"sigma.renderers.canvas: Wrong arguments.";if(!(d.container instanceof HTMLElement))throw"Container not found.";var e,f,g,h;for(sigma.classes.dispatcher.extend(this),Object.defineProperty(this,"conradId",{value:sigma.utils.id()}),this.graph=a,this.camera=b,this.contexts={},this.domElements={},this.options=d,this.container=this.options.container,this.settings="object"==typeof d.settings&&d.settings?c.embedObjects(d.settings):c,this.nodesOnScreen=[],this.edgesOnScreen=[],this.jobs={},this.options.prefix="renderer"+this.conradId+":",this.settings("batchEdgesDrawing")?(this.initDOM("canvas","edges"),this.initDOM("canvas","scene"),this.contexts.nodes=this.contexts.scene,this.contexts.labels=this.contexts.scene):(this.initDOM("canvas","scene"),this.contexts.edges=this.contexts.scene,this.contexts.nodes=this.contexts.scene,this.contexts.labels=this.contexts.scene),this.initDOM("canvas","mouse"),this.contexts.hover=this.contexts.mouse,this.captors=[],g=this.options.captors||[sigma.captors.mouse,sigma.captors.touch],e=0,f=g.length;f>e;e++)h="function"==typeof g[e]?g[e]:sigma.captors[g[e]],this.captors.push(new h(this.domElements.mouse,this.camera,this.settings));sigma.misc.bindEvents.call(this,this.options.prefix),sigma.misc.drawHovers.call(this,this.options.prefix),this.resize(!1)},sigma.renderers.canvas.prototype.render=function(b){b=b||{};var c,d,e,f,g,h,i,j,k,l,m,n,o,p={},q=this.graph,r=this.graph.nodes,s=(this.options.prefix||"",this.settings(b,"drawEdges")),t=this.settings(b,"drawNodes"),u=this.settings(b,"drawLabels"),v=this.settings(b,"drawEdgeLabels"),w=this.settings.embedObjects(b,{prefix:this.options.prefix});this.resize(!1),this.settings(b,"hideEdgesOnMove")&&(this.camera.isAnimated||this.camera.isMoving)&&(s=!1),this.camera.applyView(a,this.options.prefix,{width:this.width,height:this.height}),this.clear();for(e in this.jobs)conrad.hasJob(e)&&conrad.killJob(e);for(this.edgesOnScreen=[],this.nodesOnScreen=this.camera.quadtree.area(this.camera.getRectangle(this.width,this.height)),c=this.nodesOnScreen,d=0,f=c.length;f>d;d++)p[c[d].id]=c[d];if(s){for(c=q.edges(),d=0,f=c.length;f>d;d++)g=c[d],!p[g.source]&&!p[g.target]||g.hidden||r(g.source).hidden||r(g.target).hidden||this.edgesOnScreen.push(g);if(this.settings(b,"batchEdgesDrawing"))h="edges_"+this.conradId,n=w("canvasEdgesBatchSize"),l=this.edgesOnScreen,f=l.length,k=0,i=Math.min(l.length,k+n),j=function(){for(o=this.contexts.edges.globalCompositeOperation,this.contexts.edges.globalCompositeOperation="destination-over",m=sigma.canvas.edges,d=k;i>d;d++)g=l[d],(m[g.type||this.settings(b,"defaultEdgeType")]||m.def)(g,q.nodes(g.source),q.nodes(g.target),this.contexts.edges,w);if(v)for(m=sigma.canvas.edges.labels,d=k;i>d;d++)g=l[d],g.hidden||(m[g.type||this.settings(b,"defaultEdgeType")]||m.def)(g,q.nodes(g.source),q.nodes(g.target),this.contexts.labels,w);return this.contexts.edges.globalCompositeOperation=o,i===l.length?(delete this.jobs[h],!1):(k=i+1,i=Math.min(l.length,k+n),!0)},this.jobs[h]=j,conrad.addJob(h,j.bind(this));else{for(m=sigma.canvas.edges,c=this.edgesOnScreen,d=0,f=c.length;f>d;d++)g=c[d],(m[g.type||this.settings(b,"defaultEdgeType")]||m.def)(g,q.nodes(g.source),q.nodes(g.target),this.contexts.edges,w);if(v)for(m=sigma.canvas.edges.labels,c=this.edgesOnScreen,d=0,f=c.length;f>d;d++)c[d].hidden||(m[c[d].type||this.settings(b,"defaultEdgeType")]||m.def)(c[d],q.nodes(c[d].source),q.nodes(c[d].target),this.contexts.labels,w)}}if(t)for(m=sigma.canvas.nodes,c=this.nodesOnScreen,d=0,f=c.length;f>d;d++)c[d].hidden||(m[c[d].type||this.settings(b,"defaultNodeType")]||m.def)(c[d],this.contexts.nodes,w);if(u)for(m=sigma.canvas.labels,c=this.nodesOnScreen,d=0,f=c.length;f>d;d++)c[d].hidden||(m[c[d].type||this.settings(b,"defaultNodeType")]||m.def)(c[d],this.contexts.labels,w);return this.dispatchEvent("render"),this},sigma.renderers.canvas.prototype.initDOM=function(a,b){var c=document.createElement(a);c.style.position="absolute",c.setAttribute("class","sigma-"+b),this.domElements[b]=c,this.container.appendChild(c),"canvas"===a.toLowerCase()&&(this.contexts[b]=c.getContext("2d"))},sigma.renderers.canvas.prototype.resize=function(b,c){var d,e=this.width,f=this.height,g=sigma.utils.getPixelRatio();if(b!==a&&c!==a?(this.width=b,this.height=c):(this.width=this.container.offsetWidth,this.height=this.container.offsetHeight,b=this.width,c=this.height),e!==this.width||f!==this.height)for(d in this.domElements)this.domElements[d].style.width=b+"px",this.domElements[d].style.height=c+"px","canvas"===this.domElements[d].tagName.toLowerCase()&&(this.domElements[d].setAttribute("width",b*g+"px"),this.domElements[d].setAttribute("height",c*g+"px"),1!==g&&this.contexts[d].scale(g,g));return this},sigma.renderers.canvas.prototype.clear=function(){for(var a in this.contexts)this.contexts[a].clearRect(0,0,this.width,this.height);return this},sigma.renderers.canvas.prototype.kill=function(){for(var a,b;b=this.captors.pop();)b.kill();delete this.captors;for(a in this.domElements)this.domElements[a].parentNode.removeChild(this.domElements[a]),delete this.domElements[a],delete this.contexts[a];delete this.domElements,delete this.contexts},sigma.utils.pkg("sigma.canvas.nodes"),sigma.utils.pkg("sigma.canvas.edges"),sigma.utils.pkg("sigma.canvas.labels")}.call(this),function(a){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.renderers"),sigma.renderers.webgl=function(a,b,c,d){if("object"!=typeof d)throw"sigma.renderers.webgl: Wrong arguments.";if(!(d.container instanceof HTMLElement))throw"Container not found.";var e,f,g,h;for(sigma.classes.dispatcher.extend(this),this.jobs={},Object.defineProperty(this,"conradId",{value:sigma.utils.id()}),this.graph=a,this.camera=b,this.contexts={},this.domElements={},this.options=d,this.container=this.options.container,this.settings="object"==typeof d.settings&&d.settings?c.embedObjects(d.settings):c,this.options.prefix=this.camera.readPrefix,Object.defineProperty(this,"nodePrograms",{value:{}}),Object.defineProperty(this,"edgePrograms",{value:{}}),Object.defineProperty(this,"nodeFloatArrays",{value:{}}),Object.defineProperty(this,"edgeFloatArrays",{value:{}}),Object.defineProperty(this,"edgeIndicesArrays",{value:{}}),this.settings(d,"batchEdgesDrawing")?(this.initDOM("canvas","edges",!0),this.initDOM("canvas","nodes",!0)):(this.initDOM("canvas","scene",!0),this.contexts.nodes=this.contexts.scene,this.contexts.edges=this.contexts.scene),this.initDOM("canvas","labels"),this.initDOM("canvas","mouse"),this.contexts.hover=this.contexts.mouse,this.captors=[],g=this.options.captors||[sigma.captors.mouse,sigma.captors.touch],e=0,f=g.length;f>e;e++)h="function"==typeof g[e]?g[e]:sigma.captors[g[e]],this.captors.push(new h(this.domElements.mouse,this.camera,this.settings));sigma.misc.bindEvents.call(this,this.camera.prefix),sigma.misc.drawHovers.call(this,this.camera.prefix),this.resize()},sigma.renderers.webgl.prototype.process=function(){var a,b,c,d,e,f,g=this.graph,h=sigma.utils.extend(h,this.options),i=this.settings(h,"defaultEdgeType"),j=this.settings(h,"defaultNodeType");for(d in this.nodeFloatArrays)delete this.nodeFloatArrays[d];for(d in this.edgeFloatArrays)delete this.edgeFloatArrays[d];for(d in this.edgeIndicesArrays)delete this.edgeIndicesArrays[d];for(a=g.edges(),b=0,c=a.length;c>b;b++)e=a[b].type||i,d=e&&sigma.webgl.edges[e]?e:"def",this.edgeFloatArrays[d]||(this.edgeFloatArrays[d]={edges:[]}),this.edgeFloatArrays[d].edges.push(a[b]);for(a=g.nodes(),b=0,c=a.length;c>b;b++)e=a[b].type||j,d=e&&sigma.webgl.nodes[e]?e:"def",this.nodeFloatArrays[d]||(this.nodeFloatArrays[d]={nodes:[]}),this.nodeFloatArrays[d].nodes.push(a[b]);for(d in this.edgeFloatArrays){for(f=sigma.webgl.edges[d],a=this.edgeFloatArrays[d].edges,this.edgeFloatArrays[d].array=new Float32Array(a.length*f.POINTS*f.ATTRIBUTES),b=0,c=a.length;c>b;b++)a[b].hidden||g.nodes(a[b].source).hidden||g.nodes(a[b].target).hidden||f.addEdge(a[b],g.nodes(a[b].source),g.nodes(a[b].target),this.edgeFloatArrays[d].array,b*f.POINTS*f.ATTRIBUTES,h.prefix,this.settings);"function"==typeof f.computeIndices&&(this.edgeIndicesArrays[d]=f.computeIndices(this.edgeFloatArrays[d].array))}for(d in this.nodeFloatArrays)for(f=sigma.webgl.nodes[d],a=this.nodeFloatArrays[d].nodes,this.nodeFloatArrays[d].array=new Float32Array(a.length*f.POINTS*f.ATTRIBUTES),b=0,c=a.length;c>b;b++)this.nodeFloatArrays[d].array||(this.nodeFloatArrays[d].array=new Float32Array(a.length*f.POINTS*f.ATTRIBUTES)),a[b].hidden||f.addNode(a[b],this.nodeFloatArrays[d].array,b*f.POINTS*f.ATTRIBUTES,h.prefix,this.settings);return this},sigma.renderers.webgl.prototype.render=function(b){var c,d,e,f,g,h,i=this,j=(this.graph,this.contexts.nodes),k=this.contexts.edges,l=this.camera.getMatrix(),m=sigma.utils.extend(b,this.options),n=this.settings(m,"drawLabels"),o=this.settings(m,"drawEdges"),p=this.settings(m,"drawNodes");this.resize(!1),this.settings(m,"hideEdgesOnMove")&&(this.camera.isAnimated||this.camera.isMoving)&&(o=!1),this.clear(),l=sigma.utils.matrices.multiply(l,sigma.utils.matrices.translation(this.width/2,this.height/2));for(f in this.jobs)conrad.hasJob(f)&&conrad.killJob(f);if(o)if(this.settings(m,"batchEdgesDrawing"))(function(){var a,b,c,d,e,f,g,h,i,j;c="edges_"+this.conradId,j=this.settings(m,"webglEdgesBatchSize"),a=Object.keys(this.edgeFloatArrays),a.length&&(b=0,i=sigma.webgl.edges[a[b]],e=this.edgeFloatArrays[a[b]].array,h=this.edgeIndicesArrays[a[b]],g=0,f=Math.min(g+j*i.POINTS,e.length/i.ATTRIBUTES),d=function(){return this.edgePrograms[a[b]]||(this.edgePrograms[a[b]]=i.initProgram(k)),f>g&&(k.useProgram(this.edgePrograms[a[b]]),i.render(k,this.edgePrograms[a[b]],e,{settings:this.settings,matrix:l,width:this.width,height:this.height,ratio:this.camera.ratio,scalingRatio:this.settings(m,"webglOversamplingRatio"),start:g,count:f-g,indicesData:h})),f>=e.length/i.ATTRIBUTES&&b===a.length-1?(delete this.jobs[c],!1):(f>=e.length/i.ATTRIBUTES?(b++,e=this.edgeFloatArrays[a[b]].array,i=sigma.webgl.edges[a[b]],g=0,f=Math.min(g+j*i.POINTS,e.length/i.ATTRIBUTES)):(g=f,f=Math.min(g+j*i.POINTS,e.length/i.ATTRIBUTES)),!0)},this.jobs[c]=d,conrad.addJob(c,d.bind(this)))}).call(this);else for(f in this.edgeFloatArrays)h=sigma.webgl.edges[f],this.edgePrograms[f]||(this.edgePrograms[f]=h.initProgram(k)),this.edgeFloatArrays[f]&&(k.useProgram(this.edgePrograms[f]),h.render(k,this.edgePrograms[f],this.edgeFloatArrays[f].array,{settings:this.settings,matrix:l,width:this.width,height:this.height,ratio:this.camera.ratio,scalingRatio:this.settings(m,"webglOversamplingRatio"),indicesData:this.edgeIndicesArrays[f]})); -if(p){j.blendFunc(j.SRC_ALPHA,j.ONE_MINUS_SRC_ALPHA),j.enable(j.BLEND);for(f in this.nodeFloatArrays)h=sigma.webgl.nodes[f],this.nodePrograms[f]||(this.nodePrograms[f]=h.initProgram(j)),this.nodeFloatArrays[f]&&(j.useProgram(this.nodePrograms[f]),h.render(j,this.nodePrograms[f],this.nodeFloatArrays[f].array,{settings:this.settings,matrix:l,width:this.width,height:this.height,ratio:this.camera.ratio,scalingRatio:this.settings(m,"webglOversamplingRatio")}))}if(n)for(c=this.camera.quadtree.area(this.camera.getRectangle(this.width,this.height)),this.camera.applyView(a,a,{nodes:c,edges:[],width:this.width,height:this.height}),g=function(a){return i.settings({prefix:i.camera.prefix},a)},d=0,e=c.length;e>d;d++)c[d].hidden||(sigma.canvas.labels[c[d].type||this.settings(m,"defaultNodeType")]||sigma.canvas.labels.def)(c[d],this.contexts.labels,g);return this.dispatchEvent("render"),this},sigma.renderers.webgl.prototype.initDOM=function(a,b,c){var d=document.createElement(a),e=this;d.style.position="absolute",d.setAttribute("class","sigma-"+b),this.domElements[b]=d,this.container.appendChild(d),"canvas"===a.toLowerCase()&&(this.contexts[b]=d.getContext(c?"experimental-webgl":"2d",{preserveDrawingBuffer:!0}),c&&(d.addEventListener("webglcontextlost",function(a){a.preventDefault()},!1),d.addEventListener("webglcontextrestored",function(){e.render()},!1)))},sigma.renderers.webgl.prototype.resize=function(b,c){var d,e=this.width,f=this.height,g=sigma.utils.getPixelRatio();if(b!==a&&c!==a?(this.width=b,this.height=c):(this.width=this.container.offsetWidth,this.height=this.container.offsetHeight,b=this.width,c=this.height),e!==this.width||f!==this.height)for(d in this.domElements)this.domElements[d].style.width=b+"px",this.domElements[d].style.height=c+"px","canvas"===this.domElements[d].tagName.toLowerCase()&&(this.contexts[d]&&this.contexts[d].scale?(this.domElements[d].setAttribute("width",b*g+"px"),this.domElements[d].setAttribute("height",c*g+"px"),1!==g&&this.contexts[d].scale(g,g)):(this.domElements[d].setAttribute("width",b*this.settings("webglOversamplingRatio")+"px"),this.domElements[d].setAttribute("height",c*this.settings("webglOversamplingRatio")+"px")));for(d in this.contexts)this.contexts[d]&&this.contexts[d].viewport&&this.contexts[d].viewport(0,0,this.width*this.settings("webglOversamplingRatio"),this.height*this.settings("webglOversamplingRatio"));return this},sigma.renderers.webgl.prototype.clear=function(){return this.contexts.labels.clearRect(0,0,this.width,this.height),this.contexts.nodes.clear(this.contexts.nodes.COLOR_BUFFER_BIT),this.contexts.edges.clear(this.contexts.edges.COLOR_BUFFER_BIT),this},sigma.renderers.webgl.prototype.kill=function(){for(var a,b;b=this.captors.pop();)b.kill();delete this.captors;for(a in this.domElements)this.domElements[a].parentNode.removeChild(this.domElements[a]),delete this.domElements[a],delete this.contexts[a];delete this.domElements,delete this.contexts},sigma.utils.pkg("sigma.webgl.nodes"),sigma.utils.pkg("sigma.webgl.edges"),sigma.utils.pkg("sigma.canvas.labels")}.call(this),function(a){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";if("undefined"==typeof conrad)throw"conrad is not declared";sigma.utils.pkg("sigma.renderers"),sigma.renderers.svg=function(a,b,c,d){if("object"!=typeof d)throw"sigma.renderers.svg: Wrong arguments.";if(!(d.container instanceof HTMLElement))throw"Container not found.";var e,f,g,h,i=this;for(sigma.classes.dispatcher.extend(this),this.graph=a,this.camera=b,this.domElements={graph:null,groups:{},nodes:{},edges:{},labels:{},hovers:{}},this.measurementCanvas=null,this.options=d,this.container=this.options.container,this.settings="object"==typeof d.settings&&d.settings?c.embedObjects(d.settings):c,this.settings("freeStyle",!!this.options.freeStyle),this.settings("xmlns","http://www.w3.org/2000/svg"),this.nodesOnScreen=[],this.edgesOnScreen=[],this.options.prefix="renderer"+sigma.utils.id()+":",this.initDOM("svg"),this.captors=[],g=this.options.captors||[sigma.captors.mouse,sigma.captors.touch],e=0,f=g.length;f>e;e++)h="function"==typeof g[e]?g[e]:sigma.captors[g[e]],this.captors.push(new h(this.domElements.graph,this.camera,this.settings));window.addEventListener("resize",function(){i.resize()}),sigma.misc.bindDOMEvents.call(this,this.domElements.graph),this.bindHovers(this.options.prefix),this.resize(!1)},sigma.renderers.svg.prototype.render=function(b){b=b||{};var c,d,e,f,g,h,i,j,k,l={},m=this.graph,n=this.graph.nodes,o=(this.options.prefix||"",this.settings(b,"drawEdges")),p=this.settings(b,"drawNodes"),q=(this.settings(b,"drawLabels"),this.settings.embedObjects(b,{prefix:this.options.prefix,forceLabels:this.options.forceLabels}));for(this.settings(b,"hideEdgesOnMove")&&(this.camera.isAnimated||this.camera.isMoving)&&(o=!1),this.camera.applyView(a,this.options.prefix,{width:this.width,height:this.height}),this.hideDOMElements(this.domElements.nodes),this.hideDOMElements(this.domElements.edges),this.hideDOMElements(this.domElements.labels),this.edgesOnScreen=[],this.nodesOnScreen=this.camera.quadtree.area(this.camera.getRectangle(this.width,this.height)),c=this.nodesOnScreen,d=0,f=c.length;f>d;d++)l[c[d].id]=c[d];for(c=m.edges(),d=0,f=c.length;f>d;d++)g=c[d],!l[g.source]&&!l[g.target]||g.hidden||n(g.source).hidden||n(g.target).hidden||this.edgesOnScreen.push(g);if(j=sigma.svg.nodes,k=sigma.svg.labels,p)for(c=this.nodesOnScreen,d=0,f=c.length;f>d;d++)c[d].hidden||this.domElements.nodes[c[d].id]||(e=(j[c[d].type]||j.def).create(c[d],q),this.domElements.nodes[c[d].id]=e,this.domElements.groups.nodes.appendChild(e),e=(k[c[d].type]||k.def).create(c[d],q),this.domElements.labels[c[d].id]=e,this.domElements.groups.labels.appendChild(e));if(p)for(c=this.nodesOnScreen,d=0,f=c.length;f>d;d++)c[d].hidden||((j[c[d].type]||j.def).update(c[d],this.domElements.nodes[c[d].id],q),(k[c[d].type]||k.def).update(c[d],this.domElements.labels[c[d].id],q));if(j=sigma.svg.edges,o)for(c=this.edgesOnScreen,d=0,f=c.length;f>d;d++)this.domElements.edges[c[d].id]||(h=n(c[d].source),i=n(c[d].target),e=(j[c[d].type]||j.def).create(c[d],h,i,q),this.domElements.edges[c[d].id]=e,this.domElements.groups.edges.appendChild(e));if(o)for(c=this.edgesOnScreen,d=0,f=c.length;f>d;d++)h=n(c[d].source),i=n(c[d].target),(j[c[d].type]||j.def).update(c[d],this.domElements.edges[c[d].id],h,i,q);return this.dispatchEvent("render"),this},sigma.renderers.svg.prototype.initDOM=function(a){var b,c,d,e=document.createElementNS(this.settings("xmlns"),a),f=this.settings("classPrefix");e.style.position="absolute",e.setAttribute("class",f+"-svg"),e.setAttribute("xmlns",this.settings("xmlns")),e.setAttribute("xmlns:xlink","http://www.w3.org/1999/xlink"),e.setAttribute("version","1.1");var g=document.createElement("canvas");g.setAttribute("class",f+"-measurement-canvas"),this.domElements.graph=this.container.appendChild(e);var h=["edges","nodes","labels","hovers"];for(d=0,c=h.length;c>d;d++)b=document.createElementNS(this.settings("xmlns"),"g"),b.setAttributeNS(null,"id",f+"-group-"+h[d]),b.setAttributeNS(null,"class",f+"-group"),this.domElements.groups[h[d]]=this.domElements.graph.appendChild(b);this.container.appendChild(g),this.measurementCanvas=g.getContext("2d")},sigma.renderers.svg.prototype.hideDOMElements=function(a){var b,c;for(c in a)b=a[c],sigma.svg.utils.hide(b);return this},sigma.renderers.svg.prototype.bindHovers=function(a){function b(b){var c=b.data.node,d=g.settings.embedObjects({prefix:a});if(d("enableHovering")){var h=(f[c.type]||f.def).create(c,g.domElements.nodes[c.id],g.measurementCanvas,d);g.domElements.hovers[c.id]=h,g.domElements.groups.hovers.appendChild(h),e=c}}function c(b){var c=b.data.node,d=g.settings.embedObjects({prefix:a});d("enableHovering")&&(g.domElements.groups.hovers.removeChild(g.domElements.hovers[c.id]),e=null,delete g.domElements.hovers[c.id],g.domElements.groups.nodes.appendChild(g.domElements.nodes[c.id]))}function d(){if(e){var b=g.settings.embedObjects({prefix:a});g.domElements.groups.hovers.removeChild(g.domElements.hovers[e.id]),delete g.domElements.hovers[e.id];var c=(f[e.type]||f.def).create(e,g.domElements.nodes[e.id],g.measurementCanvas,b);g.domElements.hovers[e.id]=c,g.domElements.groups.hovers.appendChild(c)}}var e,f=sigma.svg.hovers,g=this;this.bind("overNode",b),this.bind("outNode",c),this.bind("render",d)},sigma.renderers.svg.prototype.resize=function(b,c){var d=this.width,e=this.height,f=1;return b!==a&&c!==a?(this.width=b,this.height=c):(this.width=this.container.offsetWidth,this.height=this.container.offsetHeight,b=this.width,c=this.height),(d!==this.width||e!==this.height)&&(this.domElements.graph.style.width=b+"px",this.domElements.graph.style.height=c+"px","svg"===this.domElements.graph.tagName.toLowerCase()&&(this.domElements.graph.setAttribute("width",b*f),this.domElements.graph.setAttribute("height",c*f))),this},sigma.utils.pkg("sigma.svg.nodes"),sigma.utils.pkg("sigma.svg.edges"),sigma.utils.pkg("sigma.svg.labels")}.call(this),function(a){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.renderers");var b,c=!!a.WebGLRenderingContext;if(c){b=document.createElement("canvas");try{c=!(!b.getContext("webgl")&&!b.getContext("experimental-webgl"))}catch(d){c=!1}}sigma.renderers.def=c?sigma.renderers.webgl:sigma.renderers.canvas}(this),function(){"use strict";sigma.utils.pkg("sigma.webgl.nodes"),sigma.webgl.nodes.def={POINTS:3,ATTRIBUTES:5,addNode:function(a,b,c,d,e){var f=sigma.utils.floatColor(a.color||e("defaultNodeColor"));b[c++]=a[d+"x"],b[c++]=a[d+"y"],b[c++]=a[d+"size"],b[c++]=f,b[c++]=0,b[c++]=a[d+"x"],b[c++]=a[d+"y"],b[c++]=a[d+"size"],b[c++]=f,b[c++]=2*Math.PI/3,b[c++]=a[d+"x"],b[c++]=a[d+"y"],b[c++]=a[d+"size"],b[c++]=f,b[c++]=4*Math.PI/3},render:function(a,b,c,d){var e,f=a.getAttribLocation(b,"a_position"),g=a.getAttribLocation(b,"a_size"),h=a.getAttribLocation(b,"a_color"),i=a.getAttribLocation(b,"a_angle"),j=a.getUniformLocation(b,"u_resolution"),k=a.getUniformLocation(b,"u_matrix"),l=a.getUniformLocation(b,"u_ratio"),m=a.getUniformLocation(b,"u_scale");e=a.createBuffer(),a.bindBuffer(a.ARRAY_BUFFER,e),a.bufferData(a.ARRAY_BUFFER,c,a.DYNAMIC_DRAW),a.uniform2f(j,d.width,d.height),a.uniform1f(l,1/Math.pow(d.ratio,d.settings("nodesPowRatio"))),a.uniform1f(m,d.scalingRatio),a.uniformMatrix3fv(k,!1,d.matrix),a.enableVertexAttribArray(f),a.enableVertexAttribArray(g),a.enableVertexAttribArray(h),a.enableVertexAttribArray(i),a.vertexAttribPointer(f,2,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,0),a.vertexAttribPointer(g,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,8),a.vertexAttribPointer(h,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,12),a.vertexAttribPointer(i,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,16),a.drawArrays(a.TRIANGLES,d.start||0,d.count||c.length/this.ATTRIBUTES)},initProgram:function(a){var b,c,d;return b=sigma.utils.loadShader(a,["attribute vec2 a_position;","attribute float a_size;","attribute float a_color;","attribute float a_angle;","uniform vec2 u_resolution;","uniform float u_ratio;","uniform float u_scale;","uniform mat3 u_matrix;","varying vec4 color;","varying vec2 center;","varying float radius;","void main() {","radius = a_size * u_ratio;","vec2 position = (u_matrix * vec3(a_position, 1)).xy;","center = position * u_scale;","center = vec2(center.x, u_scale * u_resolution.y - center.y);","position = position +","2.0 * radius * vec2(cos(a_angle), sin(a_angle));","position = (position / u_resolution * 2.0 - 1.0) * vec2(1, -1);","radius = radius * u_scale;","gl_Position = vec4(position, 0, 1);","float c = a_color;","color.b = mod(c, 256.0); c = floor(c / 256.0);","color.g = mod(c, 256.0); c = floor(c / 256.0);","color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;","color.a = 1.0;","}"].join("\n"),a.VERTEX_SHADER),c=sigma.utils.loadShader(a,["precision mediump float;","varying vec4 color;","varying vec2 center;","varying float radius;","void main(void) {","vec4 color0 = vec4(0.0, 0.0, 0.0, 0.0);","vec2 m = gl_FragCoord.xy - center;","float diff = radius - sqrt(m.x * m.x + m.y * m.y);","if (diff > 0.0)","gl_FragColor = color;","else","gl_FragColor = color0;","}"].join("\n"),a.FRAGMENT_SHADER),d=sigma.utils.loadProgram(a,[b,c])}}}(),function(){"use strict";sigma.utils.pkg("sigma.webgl.nodes"),sigma.webgl.nodes.fast={POINTS:1,ATTRIBUTES:4,addNode:function(a,b,c,d,e){b[c++]=a[d+"x"],b[c++]=a[d+"y"],b[c++]=a[d+"size"],b[c++]=sigma.utils.floatColor(a.color||e("defaultNodeColor"))},render:function(a,b,c,d){var e,f=a.getAttribLocation(b,"a_position"),g=a.getAttribLocation(b,"a_size"),h=a.getAttribLocation(b,"a_color"),i=a.getUniformLocation(b,"u_resolution"),j=a.getUniformLocation(b,"u_matrix"),k=a.getUniformLocation(b,"u_ratio"),l=a.getUniformLocation(b,"u_scale");e=a.createBuffer(),a.bindBuffer(a.ARRAY_BUFFER,e),a.bufferData(a.ARRAY_BUFFER,c,a.DYNAMIC_DRAW),a.uniform2f(i,d.width,d.height),a.uniform1f(k,1/Math.pow(d.ratio,d.settings("nodesPowRatio"))),a.uniform1f(l,d.scalingRatio),a.uniformMatrix3fv(j,!1,d.matrix),a.enableVertexAttribArray(f),a.enableVertexAttribArray(g),a.enableVertexAttribArray(h),a.vertexAttribPointer(f,2,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,0),a.vertexAttribPointer(g,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,8),a.vertexAttribPointer(h,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,12),a.drawArrays(a.POINTS,d.start||0,d.count||c.length/this.ATTRIBUTES)},initProgram:function(a){var b,c,d;return b=sigma.utils.loadShader(a,["attribute vec2 a_position;","attribute float a_size;","attribute float a_color;","uniform vec2 u_resolution;","uniform float u_ratio;","uniform float u_scale;","uniform mat3 u_matrix;","varying vec4 color;","void main() {","gl_Position = vec4(","((u_matrix * vec3(a_position, 1)).xy /","u_resolution * 2.0 - 1.0) * vec2(1, -1),","0,","1",");","gl_PointSize = a_size * u_ratio * u_scale * 2.0;","float c = a_color;","color.b = mod(c, 256.0); c = floor(c / 256.0);","color.g = mod(c, 256.0); c = floor(c / 256.0);","color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;","color.a = 1.0;","}"].join("\n"),a.VERTEX_SHADER),c=sigma.utils.loadShader(a,["precision mediump float;","varying vec4 color;","void main(void) {","float border = 0.01;","float radius = 0.5;","vec4 color0 = vec4(0.0, 0.0, 0.0, 0.0);","vec2 m = gl_PointCoord - vec2(0.5, 0.5);","float dist = radius - sqrt(m.x * m.x + m.y * m.y);","float t = 0.0;","if (dist > border)","t = 1.0;","else if (dist > 0.0)","t = dist / border;","gl_FragColor = mix(color0, color, t);","}"].join("\n"),a.FRAGMENT_SHADER),d=sigma.utils.loadProgram(a,[b,c])}}}(),function(){"use strict";sigma.utils.pkg("sigma.webgl.edges"),sigma.webgl.edges.def={POINTS:6,ATTRIBUTES:7,addEdge:function(a,b,c,d,e,f,g){var h=(a[f+"size"]||1)/2,i=b[f+"x"],j=b[f+"y"],k=c[f+"x"],l=c[f+"y"],m=a.color;if(!m)switch(g("edgeColor")){case"source":m=b.color||g("defaultNodeColor");break;case"target":m=c.color||g("defaultNodeColor");break;default:m=g("defaultEdgeColor")}m=sigma.utils.floatColor(m),d[e++]=i,d[e++]=j,d[e++]=k,d[e++]=l,d[e++]=h,d[e++]=0,d[e++]=m,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=1,d[e++]=m,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=0,d[e++]=m,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=0,d[e++]=m,d[e++]=i,d[e++]=j,d[e++]=k,d[e++]=l,d[e++]=h,d[e++]=1,d[e++]=m,d[e++]=i,d[e++]=j,d[e++]=k,d[e++]=l,d[e++]=h,d[e++]=0,d[e++]=m},render:function(a,b,c,d){var e,f=a.getAttribLocation(b,"a_color"),g=a.getAttribLocation(b,"a_position1"),h=a.getAttribLocation(b,"a_position2"),i=a.getAttribLocation(b,"a_thickness"),j=a.getAttribLocation(b,"a_minus"),k=a.getUniformLocation(b,"u_resolution"),l=a.getUniformLocation(b,"u_matrix"),m=a.getUniformLocation(b,"u_matrixHalfPi"),n=a.getUniformLocation(b,"u_matrixHalfPiMinus"),o=a.getUniformLocation(b,"u_ratio"),p=a.getUniformLocation(b,"u_scale");e=a.createBuffer(),a.bindBuffer(a.ARRAY_BUFFER,e),a.bufferData(a.ARRAY_BUFFER,c,a.STATIC_DRAW),a.uniform2f(k,d.width,d.height),a.uniform1f(o,d.ratio/Math.pow(d.ratio,d.settings("edgesPowRatio"))),a.uniform1f(p,d.scalingRatio),a.uniformMatrix3fv(l,!1,d.matrix),a.uniformMatrix2fv(m,!1,sigma.utils.matrices.rotation(Math.PI/2,!0)),a.uniformMatrix2fv(n,!1,sigma.utils.matrices.rotation(-Math.PI/2,!0)),a.enableVertexAttribArray(f),a.enableVertexAttribArray(g),a.enableVertexAttribArray(h),a.enableVertexAttribArray(i),a.enableVertexAttribArray(j),a.vertexAttribPointer(g,2,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,0),a.vertexAttribPointer(h,2,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,8),a.vertexAttribPointer(i,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,16),a.vertexAttribPointer(j,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,20),a.vertexAttribPointer(f,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,24),a.drawArrays(a.TRIANGLES,d.start||0,d.count||c.length/this.ATTRIBUTES)},initProgram:function(a){var b,c,d;return b=sigma.utils.loadShader(a,["attribute vec2 a_position1;","attribute vec2 a_position2;","attribute float a_thickness;","attribute float a_minus;","attribute float a_color;","uniform vec2 u_resolution;","uniform float u_ratio;","uniform float u_scale;","uniform mat3 u_matrix;","uniform mat2 u_matrixHalfPi;","uniform mat2 u_matrixHalfPiMinus;","varying vec4 color;","void main() {","vec2 position = a_thickness * u_ratio *","normalize(a_position2 - a_position1);","mat2 matrix = a_minus * u_matrixHalfPiMinus +","(1.0 - a_minus) * u_matrixHalfPi;","position = matrix * position + a_position1;","gl_Position = vec4(","((u_matrix * vec3(position, 1)).xy /","u_resolution * 2.0 - 1.0) * vec2(1, -1),","0,","1",");","float c = a_color;","color.b = mod(c, 256.0); c = floor(c / 256.0);","color.g = mod(c, 256.0); c = floor(c / 256.0);","color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;","color.a = 1.0;","}"].join("\n"),a.VERTEX_SHADER),c=sigma.utils.loadShader(a,["precision mediump float;","varying vec4 color;","void main(void) {","gl_FragColor = color;","}"].join("\n"),a.FRAGMENT_SHADER),d=sigma.utils.loadProgram(a,[b,c])}}}(),function(){"use strict";sigma.utils.pkg("sigma.webgl.edges"),sigma.webgl.edges.fast={POINTS:2,ATTRIBUTES:3,addEdge:function(a,b,c,d,e,f,g){var h=((a[f+"size"]||1)/2,b[f+"x"]),i=b[f+"y"],j=c[f+"x"],k=c[f+"y"],l=a.color;if(!l)switch(g("edgeColor")){case"source":l=b.color||g("defaultNodeColor");break;case"target":l=c.color||g("defaultNodeColor");break;default:l=g("defaultEdgeColor")}l=sigma.utils.floatColor(l),d[e++]=h,d[e++]=i,d[e++]=l,d[e++]=j,d[e++]=k,d[e++]=l},render:function(a,b,c,d){var e,f=a.getAttribLocation(b,"a_color"),g=a.getAttribLocation(b,"a_position"),h=a.getUniformLocation(b,"u_resolution"),i=a.getUniformLocation(b,"u_matrix");e=a.createBuffer(),a.bindBuffer(a.ARRAY_BUFFER,e),a.bufferData(a.ARRAY_BUFFER,c,a.DYNAMIC_DRAW),a.uniform2f(h,d.width,d.height),a.uniformMatrix3fv(i,!1,d.matrix),a.enableVertexAttribArray(g),a.enableVertexAttribArray(f),a.vertexAttribPointer(g,2,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,0),a.vertexAttribPointer(f,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,8),a.lineWidth(3),a.drawArrays(a.LINES,d.start||0,d.count||c.length/this.ATTRIBUTES)},initProgram:function(a){var b,c,d;return b=sigma.utils.loadShader(a,["attribute vec2 a_position;","attribute float a_color;","uniform vec2 u_resolution;","uniform mat3 u_matrix;","varying vec4 color;","void main() {","gl_Position = vec4(","((u_matrix * vec3(a_position, 1)).xy /","u_resolution * 2.0 - 1.0) * vec2(1, -1),","0,","1",");","float c = a_color;","color.b = mod(c, 256.0); c = floor(c / 256.0);","color.g = mod(c, 256.0); c = floor(c / 256.0);","color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;","color.a = 1.0;","}"].join("\n"),a.VERTEX_SHADER),c=sigma.utils.loadShader(a,["precision mediump float;","varying vec4 color;","void main(void) {","gl_FragColor = color;","}"].join("\n"),a.FRAGMENT_SHADER),d=sigma.utils.loadProgram(a,[b,c])}}}(),function(){"use strict";sigma.utils.pkg("sigma.webgl.edges"),sigma.webgl.edges.arrow={POINTS:9,ATTRIBUTES:11,addEdge:function(a,b,c,d,e,f,g){var h=(a[f+"size"]||1)/2,i=b[f+"x"],j=b[f+"y"],k=c[f+"x"],l=c[f+"y"],m=c[f+"size"],n=a.color;if(!n)switch(g("edgeColor")){case"source":n=b.color||g("defaultNodeColor");break;case"target":n=c.color||g("defaultNodeColor");break;default:n=g("defaultEdgeColor")}n=sigma.utils.floatColor(n),d[e++]=i,d[e++]=j,d[e++]=k,d[e++]=l,d[e++]=h,d[e++]=m,d[e++]=0,d[e++]=0,d[e++]=0,d[e++]=0,d[e++]=n,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=m,d[e++]=1,d[e++]=1,d[e++]=0,d[e++]=0,d[e++]=n,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=m,d[e++]=1,d[e++]=0,d[e++]=0,d[e++]=0,d[e++]=n,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=m,d[e++]=1,d[e++]=0,d[e++]=0,d[e++]=0,d[e++]=n,d[e++]=i,d[e++]=j,d[e++]=k,d[e++]=l,d[e++]=h,d[e++]=m,d[e++]=0,d[e++]=1,d[e++]=0,d[e++]=0,d[e++]=n,d[e++]=i,d[e++]=j,d[e++]=k,d[e++]=l,d[e++]=h,d[e++]=m,d[e++]=0,d[e++]=0,d[e++]=0,d[e++]=0,d[e++]=n,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=m,d[e++]=1,d[e++]=0,d[e++]=1,d[e++]=-1,d[e++]=n,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=m,d[e++]=1,d[e++]=0,d[e++]=1,d[e++]=0,d[e++]=n,d[e++]=k,d[e++]=l,d[e++]=i,d[e++]=j,d[e++]=h,d[e++]=m,d[e++]=1,d[e++]=0,d[e++]=1,d[e++]=1,d[e++]=n},render:function(a,b,c,d){var e,f=a.getAttribLocation(b,"a_pos1"),g=a.getAttribLocation(b,"a_pos2"),h=a.getAttribLocation(b,"a_thickness"),i=a.getAttribLocation(b,"a_tSize"),j=a.getAttribLocation(b,"a_delay"),k=a.getAttribLocation(b,"a_minus"),l=a.getAttribLocation(b,"a_head"),m=a.getAttribLocation(b,"a_headPosition"),n=a.getAttribLocation(b,"a_color"),o=a.getUniformLocation(b,"u_resolution"),p=a.getUniformLocation(b,"u_matrix"),q=a.getUniformLocation(b,"u_matrixHalfPi"),r=a.getUniformLocation(b,"u_matrixHalfPiMinus"),s=a.getUniformLocation(b,"u_ratio"),t=a.getUniformLocation(b,"u_nodeRatio"),u=a.getUniformLocation(b,"u_arrowHead"),v=a.getUniformLocation(b,"u_scale");e=a.createBuffer(),a.bindBuffer(a.ARRAY_BUFFER,e),a.bufferData(a.ARRAY_BUFFER,c,a.STATIC_DRAW),a.uniform2f(o,d.width,d.height),a.uniform1f(s,d.ratio/Math.pow(d.ratio,d.settings("edgesPowRatio"))),a.uniform1f(t,Math.pow(d.ratio,d.settings("nodesPowRatio"))/d.ratio),a.uniform1f(u,5),a.uniform1f(v,d.scalingRatio),a.uniformMatrix3fv(p,!1,d.matrix),a.uniformMatrix2fv(q,!1,sigma.utils.matrices.rotation(Math.PI/2,!0)),a.uniformMatrix2fv(r,!1,sigma.utils.matrices.rotation(-Math.PI/2,!0)),a.enableVertexAttribArray(f),a.enableVertexAttribArray(g),a.enableVertexAttribArray(h),a.enableVertexAttribArray(i),a.enableVertexAttribArray(j),a.enableVertexAttribArray(k),a.enableVertexAttribArray(l),a.enableVertexAttribArray(m),a.enableVertexAttribArray(n),a.vertexAttribPointer(f,2,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,0),a.vertexAttribPointer(g,2,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,8),a.vertexAttribPointer(h,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,16),a.vertexAttribPointer(i,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,20),a.vertexAttribPointer(j,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,24),a.vertexAttribPointer(k,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,28),a.vertexAttribPointer(l,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,32),a.vertexAttribPointer(m,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,36),a.vertexAttribPointer(n,1,a.FLOAT,!1,this.ATTRIBUTES*Float32Array.BYTES_PER_ELEMENT,40),a.drawArrays(a.TRIANGLES,d.start||0,d.count||c.length/this.ATTRIBUTES)},initProgram:function(a){var b,c,d;return b=sigma.utils.loadShader(a,["attribute vec2 a_pos1;","attribute vec2 a_pos2;","attribute float a_thickness;","attribute float a_tSize;","attribute float a_delay;","attribute float a_minus;","attribute float a_head;","attribute float a_headPosition;","attribute float a_color;","uniform vec2 u_resolution;","uniform float u_ratio;","uniform float u_nodeRatio;","uniform float u_arrowHead;","uniform float u_scale;","uniform mat3 u_matrix;","uniform mat2 u_matrixHalfPi;","uniform mat2 u_matrixHalfPiMinus;","varying vec4 color;","void main() {","vec2 pos = normalize(a_pos2 - a_pos1);","mat2 matrix = (1.0 - a_head) *","(","a_minus * u_matrixHalfPiMinus +","(1.0 - a_minus) * u_matrixHalfPi",") + a_head * (","a_headPosition * u_matrixHalfPiMinus * 0.6 +","(a_headPosition * a_headPosition - 1.0) * mat2(1.0)",");","pos = a_pos1 + (","(1.0 - a_head) * a_thickness * u_ratio * matrix * pos +","a_head * u_arrowHead * a_thickness * u_ratio * matrix * pos +","a_delay * pos * (","a_tSize / u_nodeRatio +","u_arrowHead * a_thickness * u_ratio",")",");","gl_Position = vec4(","((u_matrix * vec3(pos, 1)).xy /","u_resolution * 2.0 - 1.0) * vec2(1, -1),","0,","1",");","float c = a_color;","color.b = mod(c, 256.0); c = floor(c / 256.0);","color.g = mod(c, 256.0); c = floor(c / 256.0);","color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;","color.a = 1.0;","}"].join("\n"),a.VERTEX_SHADER),c=sigma.utils.loadShader(a,["precision mediump float;","varying vec4 color;","void main(void) {","gl_FragColor = color;","}"].join("\n"),a.FRAGMENT_SHADER),d=sigma.utils.loadProgram(a,[b,c])}}}(),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.canvas.labels"),sigma.canvas.labels.def=function(a,b,c){var d,e=c("prefix")||"",f=a[e+"size"];f<c("labelThreshold")||a.label&&"string"==typeof a.label&&(d="fixed"===c("labelSize")?c("defaultLabelSize"):c("labelSizeRatio")*f,b.font=(c("fontStyle")?c("fontStyle")+" ":"")+d+"px "+c("font"),b.fillStyle="node"===c("labelColor")?a.color||c("defaultNodeColor"):c("defaultLabelColor"),b.fillText(a.label,Math.round(a[e+"x"]+f+3),Math.round(a[e+"y"]+d/3)))}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.canvas.hovers"),sigma.canvas.hovers.def=function(a,b,c){var d,e,f,g,h,i=c("hoverFontStyle")||c("fontStyle"),j=c("prefix")||"",k=a[j+"size"],l="fixed"===c("labelSize")?c("defaultLabelSize"):c("labelSizeRatio")*k;b.font=(i?i+" ":"")+l+"px "+(c("hoverFont")||c("font")),b.beginPath(),b.fillStyle="node"===c("labelHoverBGColor")?a.color||c("defaultNodeColor"):c("defaultHoverLabelBGColor"),a.label&&c("labelHoverShadow")&&(b.shadowOffsetX=0,b.shadowOffsetY=0,b.shadowBlur=8,b.shadowColor=c("labelHoverShadowColor")),a.label&&"string"==typeof a.label&&(d=Math.round(a[j+"x"]-l/2-2),e=Math.round(a[j+"y"]-l/2-2),f=Math.round(b.measureText(a.label).width+l/2+k+7),g=Math.round(l+4),h=Math.round(l/2+2),b.moveTo(d,e+h),b.arcTo(d,e,d+h,e,h),b.lineTo(d+f,e),b.lineTo(d+f,e+g),b.lineTo(d+h,e+g),b.arcTo(d,e+g,d,e+g-h,h),b.lineTo(d,e+h),b.closePath(),b.fill(),b.shadowOffsetX=0,b.shadowOffsetY=0,b.shadowBlur=0),c("borderSize")>0&&(b.beginPath(),b.fillStyle="node"===c("nodeBorderColor")?a.color||c("defaultNodeColor"):c("defaultNodeBorderColor"),b.arc(a[j+"x"],a[j+"y"],k+c("borderSize"),0,2*Math.PI,!0),b.closePath(),b.fill());var m=sigma.canvas.nodes[a.type]||sigma.canvas.nodes.def;m(a,b,c),a.label&&"string"==typeof a.label&&(b.fillStyle="node"===c("labelHoverColor")?a.color||c("defaultNodeColor"):c("defaultLabelHoverColor"),b.fillText(a.label,Math.round(a[j+"x"]+k+3),Math.round(a[j+"y"]+l/3)))}}.call(this),function(){"use strict";sigma.utils.pkg("sigma.canvas.nodes"),sigma.canvas.nodes.def=function(a,b,c){var d=c("prefix")||"";b.fillStyle=a.color||c("defaultNodeColor"),b.beginPath(),b.arc(a[d+"x"],a[d+"y"],a[d+"size"],0,2*Math.PI,!0),b.closePath(),b.fill()}}(),function(){"use strict";sigma.utils.pkg("sigma.canvas.edges"),sigma.canvas.edges.def=function(a,b,c,d,e){var f=a.color,g=e("prefix")||"",h=a[g+"size"]||1,i=e("edgeColor"),j=e("defaultNodeColor"),k=e("defaultEdgeColor");if(!f)switch(i){case"source":f=b.color||j;break;case"target":f=c.color||j;break;default:f=k}d.strokeStyle=f,d.lineWidth=h,d.beginPath(),d.moveTo(b[g+"x"],b[g+"y"]),d.lineTo(c[g+"x"],c[g+"y"]),d.stroke()}}(),function(){"use strict";sigma.utils.pkg("sigma.canvas.edges"),sigma.canvas.edges.curve=function(a,b,c,d,e){var f=a.color,g=e("prefix")||"",h=a[g+"size"]||1,i=e("edgeColor"),j=e("defaultNodeColor"),k=e("defaultEdgeColor"),l={},m=b[g+"size"],n=b[g+"x"],o=b[g+"y"],p=c[g+"x"],q=c[g+"y"];if(l=b.id===c.id?sigma.utils.getSelfLoopControlPoints(n,o,m):sigma.utils.getQuadraticControlPoint(n,o,p,q),!f)switch(i){case"source":f=b.color||j;break;case"target":f=c.color||j;break;default:f=k}d.strokeStyle=f,d.lineWidth=h,d.beginPath(),d.moveTo(n,o),b.id===c.id?d.bezierCurveTo(l.x1,l.y1,l.x2,l.y2,p,q):d.quadraticCurveTo(l.x,l.y,p,q),d.stroke()}}(),function(){"use strict";sigma.utils.pkg("sigma.canvas.edges"),sigma.canvas.edges.arrow=function(a,b,c,d,e){var f=a.color,g=e("prefix")||"",h=e("edgeColor"),i=e("defaultNodeColor"),j=e("defaultEdgeColor"),k=a[g+"size"]||1,l=c[g+"size"],m=b[g+"x"],n=b[g+"y"],o=c[g+"x"],p=c[g+"y"],q=Math.max(2.5*k,e("minArrowSize")),r=Math.sqrt(Math.pow(o-m,2)+Math.pow(p-n,2)),s=m+(o-m)*(r-q-l)/r,t=n+(p-n)*(r-q-l)/r,u=(o-m)*q/r,v=(p-n)*q/r;if(!f)switch(h){case"source":f=b.color||i;break;case"target":f=c.color||i;break;default:f=j}d.strokeStyle=f,d.lineWidth=k,d.beginPath(),d.moveTo(m,n),d.lineTo(s,t),d.stroke(),d.fillStyle=f,d.beginPath(),d.moveTo(s+u,t+v),d.lineTo(s+.6*v,t-.6*u),d.lineTo(s-.6*v,t+.6*u),d.lineTo(s+u,t+v),d.closePath(),d.fill()}}(),function(){"use strict";sigma.utils.pkg("sigma.canvas.edges"),sigma.canvas.edges.curvedArrow=function(a,b,c,d,e){var f,g,h,i,j,k=a.color,l=e("prefix")||"",m=e("edgeColor"),n=e("defaultNodeColor"),o=e("defaultEdgeColor"),p={},q=a[l+"size"]||1,r=c[l+"size"],s=b[l+"x"],t=b[l+"y"],u=c[l+"x"],v=c[l+"y"],w=Math.max(2.5*q,e("minArrowSize"));if(p=b.id===c.id?sigma.utils.getSelfLoopControlPoints(s,t,r):sigma.utils.getQuadraticControlPoint(s,t,u,v),b.id===c.id?(f=Math.sqrt(Math.pow(u-p.x1,2)+Math.pow(v-p.y1,2)),g=p.x1+(u-p.x1)*(f-w-r)/f,h=p.y1+(v-p.y1)*(f-w-r)/f,i=(u-p.x1)*w/f,j=(v-p.y1)*w/f):(f=Math.sqrt(Math.pow(u-p.x,2)+Math.pow(v-p.y,2)),g=p.x+(u-p.x)*(f-w-r)/f,h=p.y+(v-p.y)*(f-w-r)/f,i=(u-p.x)*w/f,j=(v-p.y)*w/f),!k)switch(m){case"source":k=b.color||n;break;case"target":k=c.color||n;break;default:k=o}d.strokeStyle=k,d.lineWidth=q,d.beginPath(),d.moveTo(s,t),b.id===c.id?d.bezierCurveTo(p.x2,p.y2,p.x1,p.y1,g,h):d.quadraticCurveTo(p.x,p.y,g,h),d.stroke(),d.fillStyle=k,d.beginPath(),d.moveTo(g+i,h+j),d.lineTo(g+.6*j,h-.6*i),d.lineTo(g-.6*j,h+.6*i),d.lineTo(g+i,h+j),d.closePath(),d.fill()}}(),function(){"use 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f=a.color,g=e("prefix")||"",h=e("edgeHoverSizeRatio")*(a[g+"size"]||1),i=e("edgeColor"),j=e("defaultNodeColor"),k=e("defaultEdgeColor"),l={},m=b[g+"size"],n=b[g+"x"],o=b[g+"y"],p=c[g+"x"],q=c[g+"y"];if(l=b.id===c.id?sigma.utils.getSelfLoopControlPoints(n,o,m):sigma.utils.getQuadraticControlPoint(n,o,p,q),!f)switch(i){case"source":f=b.color||j;break;case"target":f=c.color||j;break;default:f=k}f="edge"===e("edgeHoverColor")?a.hover_color||f:a.hover_color||e("defaultEdgeHoverColor")||f,d.strokeStyle=f,d.lineWidth=h,d.beginPath(),d.moveTo(n,o),b.id===c.id?d.bezierCurveTo(l.x1,l.y1,l.x2,l.y2,p,q):d.quadraticCurveTo(l.x,l.y,p,q),d.stroke()}}(),function(){"use strict";sigma.utils.pkg("sigma.canvas.edgehovers"),sigma.canvas.edgehovers.arrow=function(a,b,c,d,e){var f=a.color,g=e("prefix")||"",h=e("edgeColor"),i=e("defaultNodeColor"),j=e("defaultEdgeColor"),k=a[g+"size"]||1,l=c[g+"size"],m=b[g+"x"],n=b[g+"y"],o=c[g+"x"],p=c[g+"y"]; -k=a.hover?e("edgeHoverSizeRatio")*k:k;var q=2.5*k,r=Math.sqrt(Math.pow(o-m,2)+Math.pow(p-n,2)),s=m+(o-m)*(r-q-l)/r,t=n+(p-n)*(r-q-l)/r,u=(o-m)*q/r,v=(p-n)*q/r;if(!f)switch(h){case"source":f=b.color||i;break;case"target":f=c.color||i;break;default:f=j}f="edge"===e("edgeHoverColor")?a.hover_color||f:a.hover_color||e("defaultEdgeHoverColor")||f,d.strokeStyle=f,d.lineWidth=k,d.beginPath(),d.moveTo(m,n),d.lineTo(s,t),d.stroke(),d.fillStyle=f,d.beginPath(),d.moveTo(s+u,t+v),d.lineTo(s+.6*v,t-.6*u),d.lineTo(s-.6*v,t+.6*u),d.lineTo(s+u,t+v),d.closePath(),d.fill()}}(),function(){"use strict";sigma.utils.pkg("sigma.canvas.edgehovers"),sigma.canvas.edgehovers.curvedArrow=function(a,b,c,d,e){var f,g,h,i,j,k,l=a.color,m=e("prefix")||"",n=e("edgeColor"),o=e("defaultNodeColor"),p=e("defaultEdgeColor"),q={},r=e("edgeHoverSizeRatio")*(a[m+"size"]||1),s=c[m+"size"],t=b[m+"x"],u=b[m+"y"],v=c[m+"x"],w=c[m+"y"];if(q=b.id===c.id?sigma.utils.getSelfLoopControlPoints(t,u,s):sigma.utils.getQuadraticControlPoint(t,u,v,w),b.id===c.id?(f=Math.sqrt(Math.pow(v-q.x1,2)+Math.pow(w-q.y1,2)),g=2.5*r,h=q.x1+(v-q.x1)*(f-g-s)/f,i=q.y1+(w-q.y1)*(f-g-s)/f,j=(v-q.x1)*g/f,k=(w-q.y1)*g/f):(f=Math.sqrt(Math.pow(v-q.x,2)+Math.pow(w-q.y,2)),g=2.5*r,h=q.x+(v-q.x)*(f-g-s)/f,i=q.y+(w-q.y)*(f-g-s)/f,j=(v-q.x)*g/f,k=(w-q.y)*g/f),!l)switch(n){case"source":l=b.color||o;break;case"target":l=c.color||o;break;default:l=p}l="edge"===e("edgeHoverColor")?a.hover_color||l:a.hover_color||e("defaultEdgeHoverColor")||l,d.strokeStyle=l,d.lineWidth=r,d.beginPath(),d.moveTo(t,u),b.id===c.id?d.bezierCurveTo(q.x2,q.y2,q.x1,q.y1,h,i):d.quadraticCurveTo(q.x,q.y,h,i),d.stroke(),d.fillStyle=l,d.beginPath(),d.moveTo(h+j,i+k),d.lineTo(h+.6*k,i-.6*j),d.lineTo(h-.6*k,i+.6*j),d.lineTo(h+j,i+k),d.closePath(),d.fill()}}(),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.canvas.extremities"),sigma.canvas.extremities.def=function(a,b,c,d,e){(sigma.canvas.hovers[b.type]||sigma.canvas.hovers.def)(b,d,e),(sigma.canvas.hovers[c.type]||sigma.canvas.hovers.def)(c,d,e)}}.call(this),function(){"use strict";sigma.utils.pkg("sigma.svg.utils"),sigma.svg.utils={show:function(a){return a.style.display="",this},hide:function(a){return a.style.display="none",this}}}(),function(){"use strict";sigma.utils.pkg("sigma.svg.nodes"),sigma.svg.nodes.def={create:function(a,b){var c=(b("prefix")||"",document.createElementNS(b("xmlns"),"circle"));return c.setAttributeNS(null,"data-node-id",a.id),c.setAttributeNS(null,"class",b("classPrefix")+"-node"),c.setAttributeNS(null,"fill",a.color||b("defaultNodeColor")),c},update:function(a,b,c){var d=c("prefix")||"";return b.setAttributeNS(null,"cx",a[d+"x"]),b.setAttributeNS(null,"cy",a[d+"y"]),b.setAttributeNS(null,"r",a[d+"size"]),c("freeStyle")||b.setAttributeNS(null,"fill",a.color||c("defaultNodeColor")),b.style.display="",this}}}(),function(){"use strict";sigma.utils.pkg("sigma.svg.edges"),sigma.svg.edges.def={create:function(a,b,c,d){var e=a.color,f=(d("prefix")||"",d("edgeColor")),g=d("defaultNodeColor"),h=d("defaultEdgeColor");if(!e)switch(f){case"source":e=b.color||g;break;case"target":e=c.color||g;break;default:e=h}var i=document.createElementNS(d("xmlns"),"line");return i.setAttributeNS(null,"data-edge-id",a.id),i.setAttributeNS(null,"class",d("classPrefix")+"-edge"),i.setAttributeNS(null,"stroke",e),i},update:function(a,b,c,d,e){var f=e("prefix")||"";return b.setAttributeNS(null,"stroke-width",a[f+"size"]||1),b.setAttributeNS(null,"x1",c[f+"x"]),b.setAttributeNS(null,"y1",c[f+"y"]),b.setAttributeNS(null,"x2",d[f+"x"]),b.setAttributeNS(null,"y2",d[f+"y"]),b.style.display="",this}}}(),function(){"use strict";sigma.utils.pkg("sigma.svg.edges"),sigma.svg.edges.curve={create:function(a,b,c,d){var e=a.color,f=(d("prefix")||"",d("edgeColor")),g=d("defaultNodeColor"),h=d("defaultEdgeColor");if(!e)switch(f){case"source":e=b.color||g;break;case"target":e=c.color||g;break;default:e=h}var i=document.createElementNS(d("xmlns"),"path");return i.setAttributeNS(null,"data-edge-id",a.id),i.setAttributeNS(null,"class",d("classPrefix")+"-edge"),i.setAttributeNS(null,"stroke",e),i},update:function(a,b,c,d,e){var f=e("prefix")||"";b.setAttributeNS(null,"stroke-width",a[f+"size"]||1);var g=(c[f+"x"]+d[f+"x"])/2+(d[f+"y"]-c[f+"y"])/4,h=(c[f+"y"]+d[f+"y"])/2+(c[f+"x"]-d[f+"x"])/4,i="M"+c[f+"x"]+","+c[f+"y"]+" Q"+g+","+h+" "+d[f+"x"]+","+d[f+"y"];return b.setAttributeNS(null,"d",i),b.setAttributeNS(null,"fill","none"),b.style.display="",this}}}(),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.svg.labels"),sigma.svg.labels.def={create:function(a,b){var c=b("prefix")||"",d=a[c+"size"],e=document.createElementNS(b("xmlns"),"text"),f="fixed"===b("labelSize")?b("defaultLabelSize"):b("labelSizeRatio")*d,g="node"===b("labelColor")?a.color||b("defaultNodeColor"):b("defaultLabelColor");return e.setAttributeNS(null,"data-label-target",a.id),e.setAttributeNS(null,"class",b("classPrefix")+"-label"),e.setAttributeNS(null,"font-size",f),e.setAttributeNS(null,"font-family",b("font")),e.setAttributeNS(null,"fill",g),e.innerHTML=a.label,e.textContent=a.label,e},update:function(a,b,c){var d=c("prefix")||"",e=a[d+"size"],f="fixed"===c("labelSize")?c("defaultLabelSize"):c("labelSizeRatio")*e;return!c("forceLabels")&&e<c("labelThreshold")||"string"!=typeof a.label?void 0:(b.setAttributeNS(null,"x",Math.round(a[d+"x"]+e+3)),b.setAttributeNS(null,"y",Math.round(a[d+"y"]+f/3)),b.style.display="",this)}}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.svg.hovers"),sigma.svg.hovers.def={create:function(a,b,c,d){var e,f,g,h,i,j=(d("hoverFontStyle")||d("fontStyle"),d("prefix")||""),k=a[j+"size"],l="fixed"===d("labelSize")?d("defaultLabelSize"):d("labelSizeRatio")*k,m="node"===d("labelHoverColor")?a.color||d("defaultNodeColor"):d("defaultLabelHoverColor"),n=document.createElementNS(d("xmlns"),"g"),o=document.createElementNS(d("xmlns"),"rect"),p=document.createElementNS(d("xmlns"),"circle"),q=document.createElementNS(d("xmlns"),"text");return n.setAttributeNS(null,"class",d("classPrefix")+"-hover"),n.setAttributeNS(null,"data-node-id",a.id),"string"==typeof a.label&&(q.innerHTML=a.label,q.textContent=a.label,q.setAttributeNS(null,"class",d("classPrefix")+"-hover-label"),q.setAttributeNS(null,"font-size",l),q.setAttributeNS(null,"font-family",d("font")),q.setAttributeNS(null,"fill",m),q.setAttributeNS(null,"x",Math.round(a[j+"x"]+k+3)),q.setAttributeNS(null,"y",Math.round(a[j+"y"]+l/3)),e=Math.round(a[j+"x"]-l/2-2),f=Math.round(a[j+"y"]-l/2-2),g=Math.round(c.measureText(a.label).width+l/2+k+9),h=Math.round(l+4),i=Math.round(l/2+2),p.setAttributeNS(null,"class",d("classPrefix")+"-hover-area"),p.setAttributeNS(null,"fill","#fff"),p.setAttributeNS(null,"cx",a[j+"x"]),p.setAttributeNS(null,"cy",a[j+"y"]),p.setAttributeNS(null,"r",i),o.setAttributeNS(null,"class",d("classPrefix")+"-hover-area"),o.setAttributeNS(null,"fill","#fff"),o.setAttributeNS(null,"x",a[j+"x"]+i/4),o.setAttributeNS(null,"y",a[j+"y"]-i),o.setAttributeNS(null,"width",g),o.setAttributeNS(null,"height",h)),n.appendChild(p),n.appendChild(o),n.appendChild(q),n.appendChild(b),n}}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.middlewares"),sigma.utils.pkg("sigma.utils"),sigma.middlewares.rescale=function(a,b,c){var d,e,f,g,h,i,j,k,l=this.graph.nodes(),m=this.graph.edges(),n=this.settings.embedObjects(c||{}),o=n("bounds")||sigma.utils.getBoundaries(this.graph,a,!0),p=o.minX,q=o.minY,r=o.maxX,s=o.maxY,t=o.sizeMax,u=o.weightMax,v=n("width")||1,w=n("height")||1,x=n("autoRescale"),y={nodePosition:1,nodeSize:1,edgeSize:1};for(x instanceof Array||(x=["nodePosition","nodeSize","edgeSize"]),d=0,e=x.length;e>d;d++)if(!y[x[d]])throw new Error('The rescale setting "'+x[d]+'" is not recognized.');var z=~x.indexOf("nodePosition"),A=~x.indexOf("nodeSize"),B=~x.indexOf("edgeSize");for(j="outside"===n("scalingMode")?Math.max(v/Math.max(r-p,1),w/Math.max(s-q,1)):Math.min(v/Math.max(r-p,1),w/Math.max(s-q,1)),k=(n("rescaleIgnoreSize")?0:(n("maxNodeSize")||t)/j)+(n("sideMargin")||0),r+=k,p-=k,s+=k,q-=k,j="outside"===n("scalingMode")?Math.max(v/Math.max(r-p,1),w/Math.max(s-q,1)):Math.min(v/Math.max(r-p,1),w/Math.max(s-q,1)),n("maxNodeSize")||n("minNodeSize")?n("maxNodeSize")===n("minNodeSize")?(f=0,g=+n("maxNodeSize")):(f=(n("maxNodeSize")-n("minNodeSize"))/t,g=+n("minNodeSize")):(f=1,g=0),n("maxEdgeSize")||n("minEdgeSize")?n("maxEdgeSize")===n("minEdgeSize")?(h=0,i=+n("minEdgeSize")):(h=(n("maxEdgeSize")-n("minEdgeSize"))/u,i=+n("minEdgeSize")):(h=1,i=0),d=0,e=m.length;e>d;d++)m[d][b+"size"]=m[d][a+"size"]*(B?h:1)+(B?i:0);for(d=0,e=l.length;e>d;d++)l[d][b+"size"]=l[d][a+"size"]*(A?f:1)+(A?g:0),l[d][b+"x"]=(l[d][a+"x"]-(r+p)/2)*(z?j:1),l[d][b+"y"]=(l[d][a+"y"]-(s+q)/2)*(z?j:1)},sigma.utils.getBoundaries=function(a,b,c){var d,e,f=a.edges(),g=a.nodes(),h=-1/0,i=-1/0,j=1/0,k=1/0,l=-1/0,m=-1/0;if(c)for(d=0,e=f.length;e>d;d++)h=Math.max(f[d][b+"size"],h);for(d=0,e=g.length;e>d;d++)i=Math.max(g[d][b+"size"],i),l=Math.max(g[d][b+"x"],l),j=Math.min(g[d][b+"x"],j),m=Math.max(g[d][b+"y"],m),k=Math.min(g[d][b+"y"],k);return h=h||1,i=i||1,{weightMax:h,sizeMax:i,minX:j,minY:k,maxX:l,maxY:m}}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.middlewares"),sigma.middlewares.copy=function(a,b){var c,d,e;if(b+""!=a+""){for(e=this.graph.nodes(),c=0,d=e.length;d>c;c++)e[c][b+"x"]=e[c][a+"x"],e[c][b+"y"]=e[c][a+"y"],e[c][b+"size"]=e[c][a+"size"];for(e=this.graph.edges(),c=0,d=e.length;d>c;c++)e[c][b+"size"]=e[c][a+"size"]}}}.call(this),function(a){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.misc.animation.running");var b=function(){var a=0;return function(){return""+ ++a}}();sigma.misc.animation.camera=function(c,d,e){if(!(c instanceof sigma.classes.camera&&"object"==typeof d&&d))throw"animation.camera: Wrong arguments.";if("number"!=typeof d.x&&"number"!=typeof d.y&&"number"!=typeof d.ratio&&"number"!=typeof d.angle)throw"There must be at least one valid coordinate in the given val.";var f,g,h,i,j,k,l=e||{},m=sigma.utils.dateNow();return k={x:c.x,y:c.y,ratio:c.ratio,angle:c.angle},j=l.duration,i="function"!=typeof l.easing?sigma.utils.easings[l.easing||"quadraticInOut"]:l.easing,f=function(){var b,e=l.duration?(sigma.utils.dateNow()-m)/l.duration:1;e>=1?(c.isAnimated=!1,c.goTo({x:d.x!==a?d.x:k.x,y:d.y!==a?d.y:k.y,ratio:d.ratio!==a?d.ratio:k.ratio,angle:d.angle!==a?d.angle:k.angle}),cancelAnimationFrame(g),delete sigma.misc.animation.running[g],"function"==typeof l.onComplete&&l.onComplete()):(b=i(e),c.isAnimated=!0,c.goTo({x:d.x!==a?k.x+(d.x-k.x)*b:k.x,y:d.y!==a?k.y+(d.y-k.y)*b:k.y,ratio:d.ratio!==a?k.ratio+(d.ratio-k.ratio)*b:k.ratio,angle:d.angle!==a?k.angle+(d.angle-k.angle)*b:k.angle}),"function"==typeof l.onNewFrame&&l.onNewFrame(),h.frameId=requestAnimationFrame(f))},g=b(),h={frameId:requestAnimationFrame(f),target:c,type:"camera",options:l,fn:f},sigma.misc.animation.running[g]=h,g},sigma.misc.animation.kill=function(a){if(1!==arguments.length||"number"!=typeof a)throw"animation.kill: Wrong arguments.";var b=sigma.misc.animation.running[a];return b&&(cancelAnimationFrame(a),delete sigma.misc.animation.running[b.frameId],"camera"===b.type&&(b.target.isAnimated=!1),"function"==typeof(b.options||{}).onComplete&&b.options.onComplete()),this},sigma.misc.animation.killAll=function(a){var b,c,d=0,e="string"==typeof a?a:null,f="object"==typeof a?a:null,g=sigma.misc.animation.running;for(c in g)e&&g[c].type!==e||f&&g[c].target!==f||(b=sigma.misc.animation.running[c],cancelAnimationFrame(b.frameId),delete sigma.misc.animation.running[c],"camera"===b.type&&(b.target.isAnimated=!1),d++,"function"==typeof(b.options||{}).onComplete&&b.options.onComplete());return d},sigma.misc.animation.has=function(a){var b,c="string"==typeof a?a:null,d="object"==typeof a?a:null,e=sigma.misc.animation.running;for(b in e)if(!(c&&e[b].type!==c||d&&e[b].target!==d))return!0;return!1}}.call(this),function(a){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.misc"),sigma.misc.bindEvents=function(b){function c(a){a&&(h="x"in a.data?a.data.x:h,i="y"in a.data?a.data.y:i);var c,d,e,f,g,k,l,m,n=[],o=h+j.width/2,p=i+j.height/2,q=j.camera.cameraPosition(h,i),r=j.camera.quadtree.point(q.x,q.y);if(r.length)for(c=0,e=r.length;e>c;c++)if(f=r[c],g=f[b+"x"],k=f[b+"y"],l=f[b+"size"],!f.hidden&&o>g-l&&g+l>o&&p>k-l&&k+l>p&&Math.sqrt(Math.pow(o-g,2)+Math.pow(p-k,2))<l){for(m=!1,d=0;d<n.length;d++)if(f.size>n[d].size){n.splice(d,0,f),m=!0;break}m||n.push(f)}return n}function d(c){function d(a,b){for(r=!1,g=0;g<a.length;g++)if(b.size>a[g].size){a.splice(g,0,b),r=!0;break}r||a.push(b)}if(!j.settings("enableEdgeHovering"))return[];var e=sigma.renderers.canvas&&j instanceof sigma.renderers.canvas;if(!e)throw new Error("The edge events feature is not compatible with the WebGL renderer");c&&(h="x"in c.data?c.data.x:h,i="y"in c.data?c.data.y:i);var f,g,k,l,m,n,o,p,q,r,s=j.settings("edgeHoverPrecision"),t={},u=[],v=h+j.width/2,w=i+j.height/2,x=j.camera.cameraPosition(h,i),y=[];if(e){var z=j.camera.quadtree.area(j.camera.getRectangle(j.width,j.height));for(l=z,f=0,k=l.length;k>f;f++)t[l[f].id]=l[f]}if(j.camera.edgequadtree!==a&&(y=j.camera.edgequadtree.point(x.x,x.y)),y.length)for(f=0,k=y.length;k>f;f++)m=y[f],o=j.graph.nodes(m.source),p=j.graph.nodes(m.target),n=m[b+"size"]||m["read_"+b+"size"],!m.hidden&&!o.hidden&&!p.hidden&&(!e||t[m.source]||t[m.target])&&sigma.utils.getDistance(o[b+"x"],o[b+"y"],v,w)>o[b+"size"]&&sigma.utils.getDistance(p[b+"x"],p[b+"y"],v,w)>p[b+"size"]&&("curve"==m.type||"curvedArrow"==m.type?o.id===p.id?(q=sigma.utils.getSelfLoopControlPoints(o[b+"x"],o[b+"y"],o[b+"size"]),sigma.utils.isPointOnBezierCurve(v,w,o[b+"x"],o[b+"y"],p[b+"x"],p[b+"y"],q.x1,q.y1,q.x2,q.y2,Math.max(n,s))&&d(u,m)):(q=sigma.utils.getQuadraticControlPoint(o[b+"x"],o[b+"y"],p[b+"x"],p[b+"y"]),sigma.utils.isPointOnQuadraticCurve(v,w,o[b+"x"],o[b+"y"],p[b+"x"],p[b+"y"],q.x,q.y,Math.max(n,s))&&d(u,m)):sigma.utils.isPointOnSegment(v,w,o[b+"x"],o[b+"y"],p[b+"x"],p[b+"y"],Math.max(n,s))&&d(u,m));return u}function e(a){function b(a){j.settings("eventsEnabled")&&(j.dispatchEvent("click",a.data),i=c(a),k=d(a),i.length?(j.dispatchEvent("clickNode",{node:i[0],captor:a.data}),j.dispatchEvent("clickNodes",{node:i,captor:a.data})):k.length?(j.dispatchEvent("clickEdge",{edge:k[0],captor:a.data}),j.dispatchEvent("clickEdges",{edge:k,captor:a.data})):j.dispatchEvent("clickStage",{captor:a.data}))}function e(a){j.settings("eventsEnabled")&&(j.dispatchEvent("doubleClick",a.data),i=c(a),k=d(a),i.length?(j.dispatchEvent("doubleClickNode",{node:i[0],captor:a.data}),j.dispatchEvent("doubleClickNodes",{node:i,captor:a.data})):k.length?(j.dispatchEvent("doubleClickEdge",{edge:k[0],captor:a.data}),j.dispatchEvent("doubleClickEdges",{edge:k,captor:a.data})):j.dispatchEvent("doubleClickStage",{captor:a.data}))}function f(a){j.settings("eventsEnabled")&&(j.dispatchEvent("rightClick",a.data),i=c(a),k=d(a),i.length?(j.dispatchEvent("rightClickNode",{node:i[0],captor:a.data}),j.dispatchEvent("rightClickNodes",{node:i,captor:a.data})):k.length?(j.dispatchEvent("rightClickEdge",{edge:k[0],captor:a.data}),j.dispatchEvent("rightClickEdges",{edge:k,captor:a.data})):j.dispatchEvent("rightClickStage",{captor:a.data}))}function g(a){if(j.settings("eventsEnabled")){var b,c,d,e,f=[],g=[];for(b in l)f.push(l[b]);for(l={},c=0,d=f.length;d>c;c++)j.dispatchEvent("outNode",{node:f[c],captor:a.data});for(f.length&&j.dispatchEvent("outNodes",{nodes:f,captor:a.data}),m={},c=0,e=g.length;e>c;c++)j.dispatchEvent("outEdge",{edge:g[c],captor:a.data});g.length&&j.dispatchEvent("outEdges",{edges:g,captor:a.data})}}function h(a){if(j.settings("eventsEnabled")){i=c(a),k=d(a);var b,e,f,g,h=[],n=[],o={},p=i.length,q=[],r=[],s={},t=k.length;for(b=0;p>b;b++)f=i[b],o[f.id]=f,l[f.id]||(n.push(f),l[f.id]=f);for(e in l)o[e]||(h.push(l[e]),delete l[e]);for(b=0,p=n.length;p>b;b++)j.dispatchEvent("overNode",{node:n[b],captor:a.data});for(b=0,p=h.length;p>b;b++)j.dispatchEvent("outNode",{node:h[b],captor:a.data});for(n.length&&j.dispatchEvent("overNodes",{nodes:n,captor:a.data}),h.length&&j.dispatchEvent("outNodes",{nodes:h,captor:a.data}),b=0;t>b;b++)g=k[b],s[g.id]=g,m[g.id]||(r.push(g),m[g.id]=g);for(e in m)s[e]||(q.push(m[e]),delete m[e]);for(b=0,t=r.length;t>b;b++)j.dispatchEvent("overEdge",{edge:r[b],captor:a.data});for(b=0,t=q.length;t>b;b++)j.dispatchEvent("outEdge",{edge:q[b],captor:a.data});r.length&&j.dispatchEvent("overEdges",{edges:r,captor:a.data}),q.length&&j.dispatchEvent("outEdges",{edges:q,captor:a.data})}}var i,k,l={},m={};a.bind("click",b),a.bind("mousedown",h),a.bind("mouseup",h),a.bind("mousemove",h),a.bind("mouseout",g),a.bind("doubleclick",e),a.bind("rightclick",f),j.bind("render",h)}var f,g,h,i,j=this;for(f=0,g=this.captors.length;g>f;f++)e(this.captors[f])}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.misc"),sigma.misc.bindDOMEvents=function(a){function b(a){this.attr=function(b){return a.getAttributeNS(null,b)},this.tag=a.tagName,this.class=this.attr("class"),this.id=this.attr("id"),this.isNode=function(){return!!~this.class.indexOf(g.settings("classPrefix")+"-node")},this.isEdge=function(){return!!~this.class.indexOf(g.settings("classPrefix")+"-edge")},this.isHover=function(){return!!~this.class.indexOf(g.settings("classPrefix")+"-hover")}}function c(a){if(g.settings("eventsEnabled")){g.dispatchEvent("click",a);var c=new b(a.target);c.isNode()?g.dispatchEvent("clickNode",{node:h.nodes(c.attr("data-node-id"))}):g.dispatchEvent("clickStage"),a.preventDefault(),a.stopPropagation()}}function d(a){if(g.settings("eventsEnabled")){g.dispatchEvent("doubleClick",a);var c=new b(a.target);c.isNode()?g.dispatchEvent("doubleClickNode",{node:h.nodes(c.attr("data-node-id"))}):g.dispatchEvent("doubleClickStage"),a.preventDefault(),a.stopPropagation()}}function e(a){var c=a.toElement||a.target;if(g.settings("eventsEnabled")&&c){var d=new b(c);if(d.isNode())g.dispatchEvent("overNode",{node:h.nodes(d.attr("data-node-id"))});else if(d.isEdge()){var e=h.edges(d.attr("data-edge-id"));g.dispatchEvent("overEdge",{edge:e,source:h.nodes(e.source),target:h.nodes(e.target)})}}}function f(a){var c=a.fromElement||a.originalTarget;if(g.settings("eventsEnabled")){var d=new b(c);if(d.isNode())g.dispatchEvent("outNode",{node:h.nodes(d.attr("data-node-id"))});else if(d.isEdge()){var e=h.edges(d.attr("data-edge-id"));g.dispatchEvent("outEdge",{edge:e,source:h.nodes(e.source),target:h.nodes(e.target)})}}}var g=this,h=this.graph;a.addEventListener("click",c,!1),sigma.utils.doubleClick(a,"click",d),a.addEventListener("touchstart",c,!1),sigma.utils.doubleClick(a,"touchstart",d),a.addEventListener("mouseover",e,!0),a.addEventListener("mouseout",f,!0)}}.call(this),function(){"use strict";if("undefined"==typeof sigma)throw"sigma is not declared";sigma.utils.pkg("sigma.misc"),sigma.misc.drawHovers=function(a){function b(){var b,f,g,h,i,j=c.contexts.hover.canvas,k=c.settings("defaultNodeType"),l=c.settings("defaultEdgeType"),m=sigma.canvas.hovers,n=sigma.canvas.edgehovers,o=sigma.canvas.extremities,p=c.settings.embedObjects({prefix:a});if(c.contexts.hover.clearRect(0,0,j.width,j.height),p("enableHovering")&&p("singleHover")&&Object.keys(d).length&&(h=d[Object.keys(d)[0]],(m[h.type]||m[k]||m.def)(h,c.contexts.hover,p)),p("enableHovering")&&!p("singleHover"))for(b in d)(m[d[b].type]||m[k]||m.def)(d[b],c.contexts.hover,p);if(p("enableEdgeHovering")&&p("singleHover")&&Object.keys(e).length&&(i=e[Object.keys(e)[0]],f=c.graph.nodes(i.source),g=c.graph.nodes(i.target),i.hidden||((n[i.type]||n[l]||n.def)(i,f,g,c.contexts.hover,p),p("edgeHoverExtremities")?(o[i.type]||o.def)(i,f,g,c.contexts.hover,p):((sigma.canvas.nodes[f.type]||sigma.canvas.nodes.def)(f,c.contexts.hover,p),(sigma.canvas.nodes[g.type]||sigma.canvas.nodes.def)(g,c.contexts.hover,p)))),p("enableEdgeHovering")&&!p("singleHover"))for(b in e)i=e[b],f=c.graph.nodes(i.source),g=c.graph.nodes(i.target),i.hidden||((n[i.type]||n[l]||n.def)(i,f,g,c.contexts.hover,p),p("edgeHoverExtremities")?(o[i.type]||o.def)(i,f,g,c.contexts.hover,p):((sigma.canvas.nodes[f.type]||sigma.canvas.nodes.def)(f,c.contexts.hover,p),(sigma.canvas.nodes[g.type]||sigma.canvas.nodes.def)(g,c.contexts.hover,p)))}var c=this,d={},e={};this.bind("overNode",function(a){var c=a.data.node;c.hidden||(d[c.id]=c,b())}),this.bind("outNode",function(a){delete d[a.data.node.id],b()}),this.bind("overEdge",function(a){var c=a.data.edge;c.hidden||(e[c.id]=c,b())}),this.bind("outEdge",function(a){delete e[a.data.edge.id],b()}),this.bind("render",function(){b()})}}.call(this);
\ No newline at end of file diff --git a/openo-portal/portal-lifecyclemgr/js/topo/sigma/sigma.require.js b/openo-portal/portal-lifecyclemgr/js/topo/sigma/sigma.require.js deleted file mode 100644 index 08381e62..00000000 --- a/openo-portal/portal-lifecyclemgr/js/topo/sigma/sigma.require.js +++ /dev/null @@ -1,12224 +0,0 @@ -;(function(undefined) { - 'use strict'; - - var __instances = {}; - - /** - * This is the sigma instances constructor. One instance of sigma represent - * one graph. It is possible to represent this grapĥ with several renderers - * at the same time. By default, the default renderer (WebGL + Canvas - * polyfill) will be used as the only renderer, with the container specified - * in the configuration. - * - * @param {?*} conf The configuration of the instance. There are a lot of - * different recognized forms to instantiate sigma, check - * example files, documentation in this file and unit - * tests to know more. - * @return {sigma} The fresh new sigma instance. - * - * Instanciating sigma: - * ******************** - * If no parameter is given to the constructor, the instance will be created - * without any renderer or camera. It will just instantiate the graph, and - * other modules will have to be instantiated through the public methods, - * like "addRenderer" etc: - * - * > s0 = new sigma(); - * > s0.addRenderer({ - * > type: 'canvas', - * > container: 'my-container-id' - * > }); - * - * In most of the cases, sigma will simply be used with the default renderer. - * Then, since the only required parameter is the DOM container, there are - * some simpler way to call the constructor. The four following calls do the - * exact same things: - * - * > s1 = new sigma('my-container-id'); - * > s2 = new sigma(document.getElementById('my-container-id')); - * > s3 = new sigma({ - * > container: document.getElementById('my-container-id') - * > }); - * > s4 = new sigma({ - * > renderers: [{ - * > container: document.getElementById('my-container-id') - * > }] - * > }); - * - * Recognized parameters: - * ********************** - * Here is the exhaustive list of every accepted parameters, when calling the - * constructor with to top level configuration object (fourth case in the - * previous examples): - * - * {?string} id The id of the instance. It will be generated - * automatically if not specified. - * {?array} renderers An array containing objects describing renderers. - * {?object} graph An object containing an array of nodes and an array - * of edges, to avoid having to add them by hand later. - * {?object} settings An object containing instance specific settings that - * will override the default ones defined in the object - * sigma.settings. - */ - var sigma = function(conf) { - // Local variables: - // **************** - var i, - l, - a, - c, - o, - id; - - sigma.classes.dispatcher.extend(this); - - // Private attributes: - // ******************* - var _self = this, - _conf = conf || {}; - - // Little shortcut: - // **************** - // The configuration is supposed to have a list of the configuration - // objects for each renderer. - // - If there are no configuration at all, then nothing is done. - // - If there are no renderer list, the given configuration object will be - // considered as describing the first and only renderer. - // - If there are no renderer list nor "container" object, it will be - // considered as the container itself (a DOM element). - // - If the argument passed to sigma() is a string, it will be considered - // as the ID of the DOM container. - if ( - typeof _conf === 'string' || - _conf instanceof HTMLElement - ) - _conf = { - renderers: [_conf] - }; - else if (Object.prototype.toString.call(_conf) === '[object Array]') - _conf = { - renderers: _conf - }; - - // Also check "renderer" and "container" keys: - o = _conf.renderers || _conf.renderer || _conf.container; - if (!_conf.renderers || _conf.renderers.length === 0) - if ( - typeof o === 'string' || - o instanceof HTMLElement || - (typeof o === 'object' && 'container' in o) - ) - _conf.renderers = [o]; - - // Recense the instance: - if (_conf.id) { - if (__instances[_conf.id]) - throw 'sigma: Instance "' + _conf.id + '" already exists.'; - Object.defineProperty(this, 'id', { - value: _conf.id - }); - } else { - id = 0; - while (__instances[id]) - id++; - Object.defineProperty(this, 'id', { - value: '' + id - }); - } - __instances[this.id] = this; - - // Initialize settings function: - this.settings = new sigma.classes.configurable( - sigma.settings, - _conf.settings || {} - ); - - // Initialize locked attributes: - Object.defineProperty(this, 'graph', { - value: new sigma.classes.graph(this.settings), - configurable: true - }); - Object.defineProperty(this, 'middlewares', { - value: [], - configurable: true - }); - Object.defineProperty(this, 'cameras', { - value: {}, - configurable: true - }); - Object.defineProperty(this, 'renderers', { - value: {}, - configurable: true - }); - Object.defineProperty(this, 'renderersPerCamera', { - value: {}, - configurable: true - }); - Object.defineProperty(this, 'cameraFrames', { - value: {}, - configurable: true - }); - Object.defineProperty(this, 'camera', { - get: function() { - return this.cameras[0]; - } - }); - Object.defineProperty(this, 'events', { - value: [ - 'click', - 'rightClick', - 'clickStage', - 'doubleClickStage', - 'rightClickStage', - 'clickNode', - 'clickNodes', - 'doubleClickNode', - 'doubleClickNodes', - 'rightClickNode', - 'rightClickNodes', - 'overNode', - 'overNodes', - 'outNode', - 'outNodes', - 'downNode', - 'downNodes', - 'upNode', - 'upNodes' - ], - configurable: true - }); - - // Add a custom handler, to redispatch events from renderers: - this._handler = (function(e) { - var k, - data = {}; - - for (k in e.data) - data[k] = e.data[k]; - - data.renderer = e.target; - this.dispatchEvent(e.type, data); - }).bind(this); - - // Initialize renderers: - a = _conf.renderers || []; - for (i = 0, l = a.length; i < l; i++) - this.addRenderer(a[i]); - - // Initialize middlewares: - a = _conf.middlewares || []; - for (i = 0, l = a.length; i < l; i++) - this.middlewares.push( - typeof a[i] === 'string' ? - sigma.middlewares[a[i]] : - a[i] - ); - - // Check if there is already a graph to fill in: - if (typeof _conf.graph === 'object' && _conf.graph) { - this.graph.read(_conf.graph); - - // If a graph is given to the to the instance, the "refresh" method is - // directly called: - this.refresh(); - } - - // Deal with resize: - window.addEventListener('resize', function() { - if (_self.settings) - _self.refresh(); - }); - }; - - - - - /** - * This methods will instantiate and reference a new camera. If no id is - * specified, then an automatic id will be generated. - * - * @param {?string} id Eventually the camera id. - * @return {sigma.classes.camera} The fresh new camera instance. - */ - sigma.prototype.addCamera = function(id) { - var self = this, - camera; - - if (!arguments.length) { - id = 0; - while (this.cameras['' + id]) - id++; - id = '' + id; - } - - if (this.cameras[id]) - throw 'sigma.addCamera: The camera "' + id + '" already exists.'; - - camera = new sigma.classes.camera(id, this.graph, this.settings); - this.cameras[id] = camera; - - // Add a quadtree to the camera: - camera.quadtree = new sigma.classes.quad(); - - // Add an edgequadtree to the camera: - if (sigma.classes.edgequad !== undefined) { - camera.edgequadtree = new sigma.classes.edgequad(); - } - - camera.bind('coordinatesUpdated', function(e) { - self.renderCamera(camera, camera.isAnimated); - }); - - this.renderersPerCamera[id] = []; - - return camera; - }; - - /** - * This method kills a camera, and every renderer attached to it. - * - * @param {string|camera} v The camera to kill or its ID. - * @return {sigma} Returns the instance. - */ - sigma.prototype.killCamera = function(v) { - v = typeof v === 'string' ? this.cameras[v] : v; - - if (!v) - throw 'sigma.killCamera: The camera is undefined.'; - - var i, - l, - a = this.renderersPerCamera[v.id]; - - for (l = a.length, i = l - 1; i >= 0; i--) - this.killRenderer(a[i]); - - delete this.renderersPerCamera[v.id]; - delete this.cameraFrames[v.id]; - delete this.cameras[v.id]; - - if (v.kill) - v.kill(); - - return this; - }; - - /** - * This methods will instantiate and reference a new renderer. The "type" - * argument can be the constructor or its name in the "sigma.renderers" - * package. If no type is specified, then "sigma.renderers.def" will be used. - * If no id is specified, then an automatic id will be generated. - * - * @param {?object} options Eventually some options to give to the renderer - * constructor. - * @return {renderer} The fresh new renderer instance. - * - * Recognized parameters: - * ********************** - * Here is the exhaustive list of every accepted parameters in the "options" - * object: - * - * {?string} id Eventually the renderer id. - * {?(function|string)} type Eventually the renderer constructor or its - * name in the "sigma.renderers" package. - * {?(camera|string)} camera Eventually the renderer camera or its - * id. - */ - sigma.prototype.addRenderer = function(options) { - var id, - fn, - camera, - renderer, - o = options || {}; - - // Polymorphism: - if (typeof o === 'string') - o = { - container: document.getElementById(o) - }; - else if (o instanceof HTMLElement) - o = { - container: o - }; - - // If the container still is a string, we get it by id - if (typeof o.container === 'string') - o.container = document.getElementById(o.container); - - // Reference the new renderer: - if (!('id' in o)) { - id = 0; - while (this.renderers['' + id]) - id++; - id = '' + id; - } else - id = o.id; - - if (this.renderers[id]) - throw 'sigma.addRenderer: The renderer "' + id + '" already exists.'; - - // Find the good constructor: - fn = typeof o.type === 'function' ? o.type : sigma.renderers[o.type]; - fn = fn || sigma.renderers.def; - - // Find the good camera: - camera = 'camera' in o ? - ( - o.camera instanceof sigma.classes.camera ? - o.camera : - this.cameras[o.camera] || this.addCamera(o.camera) - ) : - this.addCamera(); - - if (this.cameras[camera.id] !== camera) - throw 'sigma.addRenderer: The camera is not properly referenced.'; - - // Instantiate: - renderer = new fn(this.graph, camera, this.settings, o); - this.renderers[id] = renderer; - Object.defineProperty(renderer, 'id', { - value: id - }); - - // Bind events: - if (renderer.bind) - renderer.bind( - [ - 'click', - 'rightClick', - 'clickStage', - 'doubleClickStage', - 'rightClickStage', - 'clickNode', - 'clickNodes', - 'clickEdge', - 'clickEdges', - 'doubleClickNode', - 'doubleClickNodes', - 'doubleClickEdge', - 'doubleClickEdges', - 'rightClickNode', - 'rightClickNodes', - 'rightClickEdge', - 'rightClickEdges', - 'overNode', - 'overNodes', - 'overEdge', - 'overEdges', - 'outNode', - 'outNodes', - 'outEdge', - 'outEdges', - 'downNode', - 'downNodes', - 'downEdge', - 'downEdges', - 'upNode', - 'upNodes', - 'upEdge', - 'upEdges' - ], - this._handler - ); - - // Reference the renderer by its camera: - this.renderersPerCamera[camera.id].push(renderer); - - return renderer; - }; - - /** - * This method kills a renderer. - * - * @param {string|renderer} v The renderer to kill or its ID. - * @return {sigma} Returns the instance. - */ - sigma.prototype.killRenderer = function(v) { - v = typeof v === 'string' ? this.renderers[v] : v; - - if (!v) - throw 'sigma.killRenderer: The renderer is undefined.'; - - var a = this.renderersPerCamera[v.camera.id], - i = a.indexOf(v); - - if (i >= 0) - a.splice(i, 1); - - if (v.kill) - v.kill(); - - delete this.renderers[v.id]; - - return this; - }; - - - - - /** - * This method calls the "render" method of each renderer, with the same - * arguments than the "render" method, but will also check if the renderer - * has a "process" method, and call it if it exists. - * - * It is useful for quadtrees or WebGL processing, for instance. - * - * @param {?object} options Eventually some options to give to the refresh - * method. - * @return {sigma} Returns the instance itself. - * - * Recognized parameters: - * ********************** - * Here is the exhaustive list of every accepted parameters in the "options" - * object: - * - * {?boolean} skipIndexation A flag specifying wether or not the refresh - * function should reindex the graph in the - * quadtrees or not (default: false). - */ - sigma.prototype.refresh = function(options) { - var i, - l, - k, - a, - c, - bounds, - prefix = 0; - - options = options || {}; - - // Call each middleware: - a = this.middlewares || []; - for (i = 0, l = a.length; i < l; i++) - a[i].call( - this, - (i === 0) ? '' : 'tmp' + prefix + ':', - (i === l - 1) ? 'ready:' : ('tmp' + (++prefix) + ':') - ); - - // Then, for each camera, call the "rescale" middleware, unless the - // settings specify not to: - for (k in this.cameras) { - c = this.cameras[k]; - if ( - c.settings('autoRescale') && - this.renderersPerCamera[c.id] && - this.renderersPerCamera[c.id].length - ) - sigma.middlewares.rescale.call( - this, - a.length ? 'ready:' : '', - c.readPrefix, - { - width: this.renderersPerCamera[c.id][0].width, - height: this.renderersPerCamera[c.id][0].height - } - ); - else - sigma.middlewares.copy.call( - this, - a.length ? 'ready:' : '', - c.readPrefix - ); - - if (!options.skipIndexation) { - // Find graph boundaries: - bounds = sigma.utils.getBoundaries( - this.graph, - c.readPrefix - ); - - // Refresh quadtree: - c.quadtree.index(this.graph.nodes(), { - prefix: c.readPrefix, - bounds: { - x: bounds.minX, - y: bounds.minY, - width: bounds.maxX - bounds.minX, - height: bounds.maxY - bounds.minY - } - }); - - // Refresh edgequadtree: - if ( - c.edgequadtree !== undefined && - c.settings('drawEdges') && - c.settings('enableEdgeHovering') - ) { - c.edgequadtree.index(this.graph, { - prefix: c.readPrefix, - bounds: { - x: bounds.minX, - y: bounds.minY, - width: bounds.maxX - bounds.minX, - height: bounds.maxY - bounds.minY - } - }); - } - } - } - - // Call each renderer: - a = Object.keys(this.renderers); - for (i = 0, l = a.length; i < l; i++) - if (this.renderers[a[i]].process) { - if (this.settings('skipErrors')) - try { - this.renderers[a[i]].process(); - } catch (e) { - console.log( - 'Warning: The renderer "' + a[i] + '" crashed on ".process()"' - ); - } - else - this.renderers[a[i]].process(); - } - - this.render(); - - return this; - }; - - /** - * This method calls the "render" method of each renderer. - * - * @return {sigma} Returns the instance itself. - */ - sigma.prototype.render = function() { - var i, - l, - a, - prefix = 0; - - // Call each renderer: - a = Object.keys(this.renderers); - for (i = 0, l = a.length; i < l; i++) - if (this.settings('skipErrors')) - try { - this.renderers[a[i]].render(); - } catch (e) { - if (this.settings('verbose')) - console.log( - 'Warning: The renderer "' + a[i] + '" crashed on ".render()"' - ); - } - else - this.renderers[a[i]].render(); - - return this; - }; - - /** - * This method calls the "render" method of each renderer that is bound to - * the specified camera. To improve the performances, if this method is - * called too often, the number of effective renderings is limitated to one - * per frame, unless you are using the "force" flag. - * - * @param {sigma.classes.camera} camera The camera to render. - * @param {?boolean} force If true, will render the camera - * directly. - * @return {sigma} Returns the instance itself. - */ - sigma.prototype.renderCamera = function(camera, force) { - var i, - l, - a, - self = this; - - if (force) { - a = this.renderersPerCamera[camera.id]; - for (i = 0, l = a.length; i < l; i++) - if (this.settings('skipErrors')) - try { - a[i].render(); - } catch (e) { - if (this.settings('verbose')) - console.log( - 'Warning: The renderer "' + a[i].id + '" crashed on ".render()"' - ); - } - else - a[i].render(); - } else { - if (!this.cameraFrames[camera.id]) { - a = this.renderersPerCamera[camera.id]; - for (i = 0, l = a.length; i < l; i++) - if (this.settings('skipErrors')) - try { - a[i].render(); - } catch (e) { - if (this.settings('verbose')) - console.log( - 'Warning: The renderer "' + - a[i].id + - '" crashed on ".render()"' - ); - } - else - a[i].render(); - - this.cameraFrames[camera.id] = requestAnimationFrame(function() { - delete self.cameraFrames[camera.id]; - }); - } - } - - return this; - }; - - /** - * This method calls the "kill" method of each module and destroys any - * reference from the instance. - */ - sigma.prototype.kill = function() { - var k; - - // Dispatching event - this.dispatchEvent('kill'); - - // Kill graph: - this.graph.kill(); - - // Kill middlewares: - delete this.middlewares; - - // Kill each renderer: - for (k in this.renderers) - this.killRenderer(this.renderers[k]); - - // Kill each camera: - for (k in this.cameras) - this.killCamera(this.cameras[k]); - - delete this.renderers; - delete this.cameras; - - // Kill everything else: - for (k in this) - if (this.hasOwnProperty(k)) - delete this[k]; - - delete __instances[this.id]; - }; - - - - - /** - * Returns a clone of the instances object or a specific running instance. - * - * @param {?string} id Eventually an instance ID. - * @return {object} The related instance or a clone of the instances - * object. - */ - sigma.instances = function(id) { - return arguments.length ? - __instances[id] : - sigma.utils.extend({}, __instances); - }; - - - - /** - * The current version of sigma: - */ - sigma.version = '1.1.0'; - - - - - /** - * EXPORT: - * ******* - */ - if (typeof this.sigma !== 'undefined') - throw 'An object called sigma is already in the global scope.'; - - this.sigma = sigma; - -}).call(this); - -/** - * conrad.js is a tiny JavaScript jobs scheduler, - * - * Version: 0.1.0 - * Sources: http://github.com/jacomyal/conrad.js - * Doc: http://github.com/jacomyal/conrad.js#readme - * - * License: - * -------- - * Copyright © 2013 Alexis Jacomy, Sciences-Po médialab - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * The Software is provided "as is", without warranty of any kind, express or - * implied, including but not limited to the warranties of merchantability, - * fitness for a particular purpose and noninfringement. In no event shall the - * authors or copyright holders be liable for any claim, damages or other - * liability, whether in an action of contract, tort or otherwise, arising - * from, out of or in connection with the software or the use or other dealings - * in the Software. - */ -(function(global) { - 'use strict'; - - // Check that conrad.js has not been loaded yet: - if (global.conrad) - throw new Error('conrad already exists'); - - - /** - * PRIVATE VARIABLES: - * ****************** - */ - - /** - * A flag indicating whether conrad is running or not. - * - * @type {Number} - */ - var _lastFrameTime; - - /** - * A flag indicating whether conrad is running or not. - * - * @type {Boolean} - */ - var _isRunning = false; - - /** - * The hash of registered jobs. Each job must at least have a unique ID - * under the key "id" and a function under the key "job". This hash - * contains each running job and each waiting job. - * - * @type {Object} - */ - var _jobs = {}; - - /** - * The hash of currently running jobs. - * - * @type {Object} - */ - var _runningJobs = {}; - - /** - * The array of currently running jobs, sorted by priority. - * - * @type {Array} - */ - var _sortedByPriorityJobs = []; - - /** - * The array of currently waiting jobs. - * - * @type {Object} - */ - var _waitingJobs = {}; - - /** - * The array of finished jobs. They are stored in an array, since two jobs - * with the same "id" can happen at two different times. - * - * @type {Array} - */ - var _doneJobs = []; - - /** - * A dirty flag to keep conrad from starting: Indeed, when addJob() is called - * with several jobs, conrad must be started only at the end. This flag keeps - * me from duplicating the code that effectively adds a job. - * - * @type {Boolean} - */ - var _noStart = false; - - /** - * An hash containing some global settings about how conrad.js should - * behave. - * - * @type {Object} - */ - var _parameters = { - frameDuration: 20, - history: true - }; - - /** - * This object contains every handlers bound to conrad events. It does not - * requirea any DOM implementation, since the events are all JavaScript. - * - * @type {Object} - */ - var _handlers = Object.create(null); - - - /** - * PRIVATE FUNCTIONS: - * ****************** - */ - - /** - * Will execute the handler everytime that the indicated event (or the - * indicated events) will be triggered. - * - * @param {string|array|object} events The name of the event (or the events - * separated by spaces). - * @param {function(Object)} handler The handler to bind. - * @return {Object} Returns conrad. - */ - function _bind(events, handler) { - var i, - i_end, - event, - eArray; - - if (!arguments.length) - return; - else if ( - arguments.length === 1 && - Object(arguments[0]) === arguments[0] - ) - for (events in arguments[0]) - _bind(events, arguments[0][events]); - else if (arguments.length > 1) { - eArray = - Array.isArray(events) ? - events : - events.split(/ /); - - for (i = 0, i_end = eArray.length; i !== i_end; i += 1) { - event = eArray[i]; - - if (!_handlers[event]) - _handlers[event] = []; - - // Using an object instead of directly the handler will make possible - // later to add flags - _handlers[event].push({ - handler: handler - }); - } - } - } - - /** - * Removes the handler from a specified event (or specified events). - * - * @param {?string} events The name of the event (or the events - * separated by spaces). If undefined, - * then all handlers are removed. - * @param {?function(Object)} handler The handler to unbind. If undefined, - * each handler bound to the event or the - * events will be removed. - * @return {Object} Returns conrad. - */ - function _unbind(events, handler) { - var i, - i_end, - j, - j_end, - a, - event, - eArray = Array.isArray(events) ? - events : - events.split(/ /); - - if (!arguments.length) - _handlers = Object.create(null); - else if (handler) { - for (i = 0, i_end = eArray.length; i !== i_end; i += 1) { - event = eArray[i]; - if (_handlers[event]) { - a = []; - for (j = 0, j_end = _handlers[event].length; j !== j_end; j += 1) - if (_handlers[event][j].handler !== handler) - a.push(_handlers[event][j]); - - _handlers[event] = a; - } - - if (_handlers[event] && _handlers[event].length === 0) - delete _handlers[event]; - } - } else - for (i = 0, i_end = eArray.length; i !== i_end; i += 1) - delete _handlers[eArray[i]]; - } - - /** - * Executes each handler bound to the event. - * - * @param {string} events The name of the event (or the events separated - * by spaces). - * @param {?Object} data The content of the event (optional). - * @return {Object} Returns conrad. - */ - function _dispatch(events, data) { - var i, - j, - i_end, - j_end, - event, - eventName, - eArray = Array.isArray(events) ? - events : - events.split(/ /); - - data = data === undefined ? {} : data; - - for (i = 0, i_end = eArray.length; i !== i_end; i += 1) { - eventName = eArray[i]; - - if (_handlers[eventName]) { - event = { - type: eventName, - data: data || {} - }; - - for (j = 0, j_end = _handlers[eventName].length; j !== j_end; j += 1) - try { - _handlers[eventName][j].handler(event); - } catch (e) {} - } - } - } - - /** - * Executes the most prioritary job once, and deals with filling the stats - * (done, time, averageTime, currentTime, etc...). - * - * @return {?Object} Returns the job object if it has to be killed, null else. - */ - function _executeFirstJob() { - var i, - l, - test, - kill, - pushed = false, - time = __dateNow(), - job = _sortedByPriorityJobs.shift(); - - // Execute the job and look at the result: - test = job.job(); - - // Deal with stats: - time = __dateNow() - time; - job.done++; - job.time += time; - job.currentTime += time; - job.weightTime = job.currentTime / (job.weight || 1); - job.averageTime = job.time / job.done; - - // Check if the job has to be killed: - kill = job.count ? (job.count <= job.done) : !test; - - // Reset priorities: - if (!kill) { - for (i = 0, l = _sortedByPriorityJobs.length; i < l; i++) - if (_sortedByPriorityJobs[i].weightTime > job.weightTime) { - _sortedByPriorityJobs.splice(i, 0, job); - pushed = true; - break; - } - - if (!pushed) - _sortedByPriorityJobs.push(job); - } - - return kill ? job : null; - } - - /** - * Activates a job, by adding it to the _runningJobs object and the - * _sortedByPriorityJobs array. It also initializes its currentTime value. - * - * @param {Object} job The job to activate. - */ - function _activateJob(job) { - var l = _sortedByPriorityJobs.length; - - // Add the job to the running jobs: - _runningJobs[job.id] = job; - job.status = 'running'; - - // Add the job to the priorities: - if (l) { - job.weightTime = _sortedByPriorityJobs[l - 1].weightTime; - job.currentTime = job.weightTime * (job.weight || 1); - } - - // Initialize the job and dispatch: - job.startTime = __dateNow(); - _dispatch('jobStarted', __clone(job)); - - _sortedByPriorityJobs.push(job); - } - - /** - * The main loop of conrad.js: - * . It executes job such that they all occupate the same processing time. - * . It stops jobs that do not need to be executed anymore. - * . It triggers callbacks when it is relevant. - * . It starts waiting jobs when they need to be started. - * . It injects frames to keep a constant frapes per second ratio. - * . It stops itself when there are no more jobs to execute. - */ - function _loop() { - var k, - o, - l, - job, - time, - deadJob; - - // Deal with the newly added jobs (the _jobs object): - for (k in _jobs) { - job = _jobs[k]; - - if (job.after) - _waitingJobs[k] = job; - else - _activateJob(job); - - delete _jobs[k]; - } - - // Set the _isRunning flag to false if there are no running job: - _isRunning = !!_sortedByPriorityJobs.length; - - // Deal with the running jobs (the _runningJobs object): - while ( - _sortedByPriorityJobs.length && - __dateNow() - _lastFrameTime < _parameters.frameDuration - ) { - deadJob = _executeFirstJob(); - - // Deal with the case where the job has ended: - if (deadJob) { - _killJob(deadJob.id); - - // Check for waiting jobs: - for (k in _waitingJobs) - if (_waitingJobs[k].after === deadJob.id) { - _activateJob(_waitingJobs[k]); - delete _waitingJobs[k]; - } - } - } - - // Check if conrad still has jobs to deal with, and kill it if not: - if (_isRunning) { - // Update the _lastFrameTime: - _lastFrameTime = __dateNow(); - - _dispatch('enterFrame'); - setTimeout(_loop, 0); - } else - _dispatch('stop'); - } - - /** - * Adds one or more jobs, and starts the loop if no job was running before. A - * job is at least a unique string "id" and a function, and there are some - * parameters that you can specify for each job to modify the way conrad will - * execute it. If a job is added with the "id" of another job that is waiting - * or still running, an error will be thrown. - * - * When a job is added, it is referenced in the _jobs object, by its id. - * Then, if it has to be executed right now, it will be also referenced in - * the _runningJobs object. If it has to wait, then it will be added into the - * _waitingJobs object, until it can start. - * - * Keep reading this documentation to see how to call this method. - * - * @return {Object} Returns conrad. - * - * Adding one job: - * *************** - * Basically, a job is defined by its string id and a function (the job). It - * is also possible to add some parameters: - * - * > conrad.addJob('myJobId', myJobFunction); - * > conrad.addJob('myJobId', { - * > job: myJobFunction, - * > someParameter: someValue - * > }); - * > conrad.addJob({ - * > id: 'myJobId', - * > job: myJobFunction, - * > someParameter: someValue - * > }); - * - * Adding several jobs: - * ******************** - * When adding several jobs at the same time, it is possible to specify - * parameters for each one individually or for all: - * - * > conrad.addJob([ - * > { - * > id: 'myJobId1', - * > job: myJobFunction1, - * > someParameter1: someValue1 - * > }, - * > { - * > id: 'myJobId2', - * > job: myJobFunction2, - * > someParameter2: someValue2 - * > } - * > ], { - * > someCommonParameter: someCommonValue - * > }); - * > conrad.addJob({ - * > myJobId1: {, - * > job: myJobFunction1, - * > someParameter1: someValue1 - * > }, - * > myJobId2: {, - * > job: myJobFunction2, - * > someParameter2: someValue2 - * > } - * > }, { - * > someCommonParameter: someCommonValue - * > }); - * > conrad.addJob({ - * > myJobId1: myJobFunction1, - * > myJobId2: myJobFunction2 - * > }, { - * > someCommonParameter: someCommonValue - * > }); - * - * Recognized parameters: - * ********************** - * Here is the exhaustive list of every accepted parameters: - * - * {?Function} end A callback to execute when the job is ended. It is - * not executed if the job is killed instead of ended - * "naturally". - * {?Integer} count The number of time the job has to be executed. - * {?Number} weight If specified, the job will be executed as it was - * added "weight" times. - * {?String} after The id of another job (eventually not added yet). - * If specified, this job will start only when the - * specified "after" job is ended. - */ - function _addJob(v1, v2) { - var i, - l, - o; - - // Array of jobs: - if (Array.isArray(v1)) { - // Keep conrad to start until the last job is added: - _noStart = true; - - for (i = 0, l = v1.length; i < l; i++) - _addJob(v1[i].id, __extend(v1[i], v2)); - - _noStart = false; - if (!_isRunning) { - // Update the _lastFrameTime: - _lastFrameTime = __dateNow(); - - _dispatch('start'); - _loop(); - } - } else if (typeof v1 === 'object') { - // One job (object): - if (typeof v1.id === 'string') - _addJob(v1.id, v1); - - // Hash of jobs: - else { - // Keep conrad to start until the last job is added: - _noStart = true; - - for (i in v1) - if (typeof v1[i] === 'function') - _addJob(i, __extend({ - job: v1[i] - }, v2)); - else - _addJob(i, __extend(v1[i], v2)); - - _noStart = false; - if (!_isRunning) { - // Update the _lastFrameTime: - _lastFrameTime = __dateNow(); - - _dispatch('start'); - _loop(); - } - } - - // One job (string, *): - } else if (typeof v1 === 'string') { - if (_hasJob(v1)) - throw new Error( - '[conrad.addJob] Job with id "' + v1 + '" already exists.' - ); - - // One job (string, function): - if (typeof v2 === 'function') { - o = { - id: v1, - done: 0, - time: 0, - status: 'waiting', - currentTime: 0, - averageTime: 0, - weightTime: 0, - job: v2 - }; - - // One job (string, object): - } else if (typeof v2 === 'object') { - o = __extend( - { - id: v1, - done: 0, - time: 0, - status: 'waiting', - currentTime: 0, - averageTime: 0, - weightTime: 0 - }, - v2 - ); - - // If none of those cases, throw an error: - } else - throw new Error('[conrad.addJob] Wrong arguments.'); - - // Effectively add the job: - _jobs[v1] = o; - _dispatch('jobAdded', __clone(o)); - - // Check if the loop has to be started: - if (!_isRunning && !_noStart) { - // Update the _lastFrameTime: - _lastFrameTime = __dateNow(); - - _dispatch('start'); - _loop(); - } - - // If none of those cases, throw an error: - } else - throw new Error('[conrad.addJob] Wrong arguments.'); - - return this; - } - - /** - * Kills one or more jobs, indicated by their ids. It is only possible to - * kill running jobs or waiting jobs. If you try to kill a job that does not - * exist or that is already killed, a warning will be thrown. - * - * @param {Array|String} v1 A string job id or an array of job ids. - * @return {Object} Returns conrad. - */ - function _killJob(v1) { - var i, - l, - k, - a, - job, - found = false; - - // Array of job ids: - if (Array.isArray(v1)) - for (i = 0, l = v1.length; i < l; i++) - _killJob(v1[i]); - - // One job's id: - else if (typeof v1 === 'string') { - a = [_runningJobs, _waitingJobs, _jobs]; - - // Remove the job from the hashes: - for (i = 0, l = a.length; i < l; i++) - if (v1 in a[i]) { - job = a[i][v1]; - - if (_parameters.history) { - job.status = 'done'; - _doneJobs.push(job); - } - - _dispatch('jobEnded', __clone(job)); - delete a[i][v1]; - - if (typeof job.end === 'function') - job.end(); - - found = true; - } - - // Remove the priorities array: - a = _sortedByPriorityJobs; - for (i = 0, l = a.length; i < l; i++) - if (a[i].id === v1) { - a.splice(i, 1); - break; - } - - if (!found) - throw new Error('[conrad.killJob] Job "' + v1 + '" not found.'); - - // If none of those cases, throw an error: - } else - throw new Error('[conrad.killJob] Wrong arguments.'); - - return this; - } - - /** - * Kills every running, waiting, and just added jobs. - * - * @return {Object} Returns conrad. - */ - function _killAll() { - var k, - jobs = __extend(_jobs, _runningJobs, _waitingJobs); - - // Take every jobs and push them into the _doneJobs object: - if (_parameters.history) - for (k in jobs) { - jobs[k].status = 'done'; - _doneJobs.push(jobs[k]); - - if (typeof jobs[k].end === 'function') - jobs[k].end(); - } - - // Reinitialize the different jobs lists: - _jobs = {}; - _waitingJobs = {}; - _runningJobs = {}; - _sortedByPriorityJobs = []; - - // In case some jobs are added right after the kill: - _isRunning = false; - - return this; - } - - /** - * Returns true if a job with the specified id is currently running or - * waiting, and false else. - * - * @param {String} id The id of the job. - * @return {?Object} Returns the job object if it exists. - */ - function _hasJob(id) { - var job = _jobs[id] || _runningJobs[id] || _waitingJobs[id]; - return job ? __extend(job) : null; - } - - /** - * This method will set the setting specified by "v1" to the value specified - * by "v2" if both are given, and else return the current value of the - * settings "v1". - * - * @param {String} v1 The name of the property. - * @param {?*} v2 Eventually, a value to set to the specified - * property. - * @return {Object|*} Returns the specified settings value if "v2" is not - * given, and conrad else. - */ - function _settings(v1, v2) { - var o; - - if (typeof a1 === 'string' && arguments.length === 1) - return _parameters[a1]; - else { - o = (typeof a1 === 'object' && arguments.length === 1) ? - a1 || {} : - {}; - if (typeof a1 === 'string') - o[a1] = a2; - - for (var k in o) - if (o[k] !== undefined) - _parameters[k] = o[k]; - else - delete _parameters[k]; - - return this; - } - } - - /** - * Returns true if conrad is currently running, and false else. - * - * @return {Boolean} Returns _isRunning. - */ - function _getIsRunning() { - return _isRunning; - } - - /** - * Unreference every job that is stored in the _doneJobs object. It will - * not be possible anymore to get stats about these jobs, but it will release - * the memory. - * - * @return {Object} Returns conrad. - */ - function _clearHistory() { - _doneJobs = []; - return this; - } - - /** - * Returns a snapshot of every data about jobs that wait to be started, are - * currently running or are done. - * - * It is possible to get only running, waiting or done jobs by giving - * "running", "waiting" or "done" as fist argument. - * - * It is also possible to get every job with a specified id by giving it as - * first argument. Also, using a RegExp instead of an id will return every - * jobs whose ids match the RegExp. And these two last use cases work as well - * by giving before "running", "waiting" or "done". - * - * @return {Array} The array of the matching jobs. - * - * Some call examples: - * ******************* - * > conrad.getStats('running') - * > conrad.getStats('waiting') - * > conrad.getStats('done') - * > conrad.getStats('myJob') - * > conrad.getStats(/test/) - * > conrad.getStats('running', 'myRunningJob') - * > conrad.getStats('running', /test/) - */ - function _getStats(v1, v2) { - var a, - k, - i, - l, - stats, - pattern, - isPatternString; - - if (!arguments.length) { - stats = []; - - for (k in _jobs) - stats.push(_jobs[k]); - - for (k in _waitingJobs) - stats.push(_waitingJobs[k]); - - for (k in _runningJobs) - stats.push(_runningJobs[k]); - - stats = stats.concat(_doneJobs); - } - - if (typeof v1 === 'string') - switch (v1) { - case 'waiting': - stats = __objectValues(_waitingJobs); - break; - case 'running': - stats = __objectValues(_runningJobs); - break; - case 'done': - stats = _doneJobs; - break; - default: - pattern = v1; - } - - if (v1 instanceof RegExp) - pattern = v1; - - if (!pattern && (typeof v2 === 'string' || v2 instanceof RegExp)) - pattern = v2; - - // Filter jobs if a pattern is given: - if (pattern) { - isPatternString = typeof pattern === 'string'; - - if (stats instanceof Array) { - a = stats; - } else if (typeof stats === 'object') { - a = []; - - for (k in stats) - a = a.concat(stats[k]); - } else { - a = []; - - for (k in _jobs) - a.push(_jobs[k]); - - for (k in _waitingJobs) - a.push(_waitingJobs[k]); - - for (k in _runningJobs) - a.push(_runningJobs[k]); - - a = a.concat(_doneJobs); - } - - stats = []; - for (i = 0, l = a.length; i < l; i++) - if (isPatternString ? a[i].id === pattern : a[i].id.match(pattern)) - stats.push(a[i]); - } - - return __clone(stats); - } - - - /** - * TOOLS FUNCTIONS: - * **************** - */ - - /** - * This function takes any number of objects as arguments, copies from each - * of these objects each pair key/value into a new object, and finally - * returns this object. - * - * The arguments are parsed from the last one to the first one, such that - * when two objects have keys in common, the "earliest" object wins. - * - * Example: - * ******** - * > var o1 = { - * > a: 1, - * > b: 2, - * > c: '3' - * > }, - * > o2 = { - * > c: '4', - * > d: [ 5 ] - * > }; - * > __extend(o1, o2); - * > // Returns: { - * > // a: 1, - * > // b: 2, - * > // c: '3', - * > // d: [ 5 ] - * > // }; - * - * @param {Object+} Any number of objects. - * @return {Object} The merged object. - */ - function __extend() { - var i, - k, - res = {}, - l = arguments.length; - - for (i = l - 1; i >= 0; i--) - for (k in arguments[i]) - res[k] = arguments[i][k]; - - return res; - } - - /** - * This function simply clones an object. This object must contain only - * objects, arrays and immutable values. Since it is not public, it does not - * deal with cyclic references, DOM elements and instantiated objects - so - * use it carefully. - * - * @param {Object} The object to clone. - * @return {Object} The clone. - */ - function __clone(item) { - var result, i, k, l; - - if (!item) - return item; - - if (Array.isArray(item)) { - result = []; - for (i = 0, l = item.length; i < l; i++) - result.push(__clone(item[i])); - } else if (typeof item === 'object') { - result = {}; - for (i in item) - result[i] = __clone(item[i]); - } else - result = item; - - return result; - } - - /** - * Returns an array containing the values of an object. - * - * @param {Object} The object. - * @return {Array} The array of values. - */ - function __objectValues(o) { - var k, - a = []; - - for (k in o) - a.push(o[k]); - - return a; - } - - /** - * A short "Date.now()" polyfill. - * - * @return {Number} The current time (in ms). - */ - function __dateNow() { - return Date.now ? Date.now() : new Date().getTime(); - } - - /** - * Polyfill for the Array.isArray function: - */ - if (!Array.isArray) - Array.isArray = function(v) { - return Object.prototype.toString.call(v) === '[object Array]'; - }; - - - /** - * EXPORT PUBLIC API: - * ****************** - */ - var conrad = { - hasJob: _hasJob, - addJob: _addJob, - killJob: _killJob, - killAll: _killAll, - settings: _settings, - getStats: _getStats, - isRunning: _getIsRunning, - clearHistory: _clearHistory, - - // Events management: - bind: _bind, - unbind: _unbind, - - // Version: - version: '0.1.0' - }; - - if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) - exports = module.exports = conrad; - exports.conrad = conrad; - } - global.conrad = conrad; -})(this); - -// Hardcoded export for the node.js version: -var sigma = this.sigma, - conrad = this.conrad; - -sigma.conrad = conrad; - -// Dirty polyfills to permit sigma usage in node -if (HTMLElement === undefined) - var HTMLElement = function() {}; - -if (window === undefined) - var window = { - addEventListener: function() {} - }; - -if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) - exports = module.exports = sigma; - exports.sigma = sigma; -} - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - var _root = this; - - // Initialize packages: - sigma.utils = sigma.utils || {}; - - /** - * MISC UTILS: - */ - /** - * This function takes any number of objects as arguments, copies from each - * of these objects each pair key/value into a new object, and finally - * returns this object. - * - * The arguments are parsed from the last one to the first one, such that - * when several objects have keys in common, the "earliest" object wins. - * - * Example: - * ******** - * > var o1 = { - * > a: 1, - * > b: 2, - * > c: '3' - * > }, - * > o2 = { - * > c: '4', - * > d: [ 5 ] - * > }; - * > sigma.utils.extend(o1, o2); - * > // Returns: { - * > // a: 1, - * > // b: 2, - * > // c: '3', - * > // d: [ 5 ] - * > // }; - * - * @param {object+} Any number of objects. - * @return {object} The merged object. - */ - sigma.utils.extend = function() { - var i, - k, - res = {}, - l = arguments.length; - - for (i = l - 1; i >= 0; i--) - for (k in arguments[i]) - res[k] = arguments[i][k]; - - return res; - }; - - /** - * A short "Date.now()" polyfill. - * - * @return {Number} The current time (in ms). - */ - sigma.utils.dateNow = function() { - return Date.now ? Date.now() : new Date().getTime(); - }; - - /** - * Takes a package name as parameter and checks at each lebel if it exists, - * and if it does not, creates it. - * - * Example: - * ******** - * > sigma.utils.pkg('a.b.c'); - * > a.b.c; - * > // Object {}; - * > - * > sigma.utils.pkg('a.b.d'); - * > a.b; - * > // Object { c: {}, d: {} }; - * - * @param {string} pkgName The name of the package to create/find. - * @return {object} The related package. - */ - sigma.utils.pkg = function(pkgName) { - return (pkgName || '').split('.').reduce(function(context, objName) { - return (objName in context) ? - context[objName] : - (context[objName] = {}); - }, _root); - }; - - /** - * Returns a unique incremental number ID. - * - * Example: - * ******** - * > sigma.utils.id(); - * > // 1; - * > - * > sigma.utils.id(); - * > // 2; - * > - * > sigma.utils.id(); - * > // 3; - * - * @param {string} pkgName The name of the package to create/find. - * @return {object} The related package. - */ - sigma.utils.id = (function() { - var i = 0; - return function() { - return ++i; - }; - })(); - - /** - * This function takes an hexa color (for instance "#ffcc00" or "#fc0") or a - * rgb / rgba color (like "rgb(255,255,12)" or "rgba(255,255,12,1)") and - * returns an integer equal to "r * 255 * 255 + g * 255 + b", to gain some - * memory in the data given to WebGL shaders. - * - * Note that the function actually caches its results for better performance. - * - * @param {string} val The hexa or rgba color. - * @return {number} The number value. - */ - var floatColorCache = {}; - - sigma.utils.floatColor = function(val) { - - // Is the color already computed? - if (floatColorCache[val]) - return floatColorCache[val]; - - var original = val, - r = 0, - g = 0, - b = 0; - - if (val[0] === '#') { - val = val.slice(1); - - if (val.length === 3) { - r = parseInt(val.charAt(0) + val.charAt(0), 16); - g = parseInt(val.charAt(1) + val.charAt(1), 16); - b = parseInt(val.charAt(2) + val.charAt(2), 16); - } - else { - r = parseInt(val.charAt(0) + val.charAt(1), 16); - g = parseInt(val.charAt(2) + val.charAt(3), 16); - b = parseInt(val.charAt(4) + val.charAt(5), 16); - } - } else if (val.match(/^ *rgba? *\(/)) { - val = val.match( - /^ *rgba? *\( *([0-9]*) *, *([0-9]*) *, *([0-9]*) *(,.*)?\) *$/ - ); - r = +val[1]; - g = +val[2]; - b = +val[3]; - } - - var color = ( - r * 256 * 256 + - g * 256 + - b - ); - - // Caching the color - floatColorCache[original] = color; - - return color; - }; - - /** - * Perform a zoom into a camera, with or without animation, to the - * coordinates indicated using a specified ratio. - * - * Recognized parameters: - * ********************** - * Here is the exhaustive list of every accepted parameters in the animation - * object: - * - * {?number} duration An amount of time that means the duration of the - * animation. If this parameter doesn't exist the - * zoom will be performed without animation. - * {?function} onComplete A function to perform it after the animation. It - * will be performed even if there is no duration. - * - * @param {camera} The camera where perform the zoom. - * @param {x} The X coordiantion where the zoom goes. - * @param {y} The Y coordiantion where the zoom goes. - * @param {ratio} The ratio to apply it to the current camera ratio. - * @param {?animation} A dictionary with options for a possible animation. - */ - sigma.utils.zoomTo = function(camera, x, y, ratio, animation) { - var settings = camera.settings, - count, - newRatio, - animationSettings, - coordinates; - - // Create the newRatio dealing with min / max: - newRatio = Math.max( - settings('zoomMin'), - Math.min( - settings('zoomMax'), - camera.ratio * ratio - ) - ); - - // Check that the new ratio is different from the initial one: - if (newRatio !== camera.ratio) { - // Create the coordinates variable: - ratio = newRatio / camera.ratio; - coordinates = { - x: x * (1 - ratio) + camera.x, - y: y * (1 - ratio) + camera.y, - ratio: newRatio - }; - - if (animation && animation.duration) { - // Complete the animation setings: - count = sigma.misc.animation.killAll(camera); - animation = sigma.utils.extend( - animation, - { - easing: count ? 'quadraticOut' : 'quadraticInOut' - } - ); - - sigma.misc.animation.camera(camera, coordinates, animation); - } else { - camera.goTo(coordinates); - if (animation && animation.onComplete) - animation.onComplete(); - } - } - }; - - /** - * Return the control point coordinates for a quadratic bezier curve. - * - * @param {number} x1 The X coordinate of the start point. - * @param {number} y1 The Y coordinate of the start point. - * @param {number} x2 The X coordinate of the end point. - * @param {number} y2 The Y coordinate of the end point. - * @return {x,y} The control point coordinates. - */ - sigma.utils.getQuadraticControlPoint = function(x1, y1, x2, y2) { - return { - x: (x1 + x2) / 2 + (y2 - y1) / 4, - y: (y1 + y2) / 2 + (x1 - x2) / 4 - }; - }; - - /** - * Compute the coordinates of the point positioned - * at length t in the quadratic bezier curve. - * - * @param {number} t In [0,1] the step percentage to reach - * the point in the curve from the context point. - * @param {number} x1 The X coordinate of the context point. - * @param {number} y1 The Y coordinate of the context point. - * @param {number} x2 The X coordinate of the ending point. - * @param {number} y2 The Y coordinate of the ending point. - * @param {number} xi The X coordinate of the control point. - * @param {number} yi The Y coordinate of the control point. - * @return {object} {x,y}. - */ - sigma.utils.getPointOnQuadraticCurve = function(t, x1, y1, x2, y2, xi, yi) { - // http://stackoverflow.com/a/5634528 - return { - x: Math.pow(1 - t, 2) * x1 + 2 * (1 - t) * t * xi + Math.pow(t, 2) * x2, - y: Math.pow(1 - t, 2) * y1 + 2 * (1 - t) * t * yi + Math.pow(t, 2) * y2 - }; - }; - - /** - * Compute the coordinates of the point positioned - * at length t in the cubic bezier curve. - * - * @param {number} t In [0,1] the step percentage to reach - * the point in the curve from the context point. - * @param {number} x1 The X coordinate of the context point. - * @param {number} y1 The Y coordinate of the context point. - * @param {number} x2 The X coordinate of the end point. - * @param {number} y2 The Y coordinate of the end point. - * @param {number} cx The X coordinate of the first control point. - * @param {number} cy The Y coordinate of the first control point. - * @param {number} dx The X coordinate of the second control point. - * @param {number} dy The Y coordinate of the second control point. - * @return {object} {x,y} The point at t. - */ - sigma.utils.getPointOnBezierCurve = - function(t, x1, y1, x2, y2, cx, cy, dx, dy) { - // http://stackoverflow.com/a/15397596 - // Blending functions: - var B0_t = Math.pow(1 - t, 3), - B1_t = 3 * t * Math.pow(1 - t, 2), - B2_t = 3 * Math.pow(t, 2) * (1 - t), - B3_t = Math.pow(t, 3); - - return { - x: (B0_t * x1) + (B1_t * cx) + (B2_t * dx) + (B3_t * x2), - y: (B0_t * y1) + (B1_t * cy) + (B2_t * dy) + (B3_t * y2) - }; - }; - - /** - * Return the coordinates of the two control points for a self loop (i.e. - * where the start point is also the end point) computed as a cubic bezier - * curve. - * - * @param {number} x The X coordinate of the node. - * @param {number} y The Y coordinate of the node. - * @param {number} size The node size. - * @return {x1,y1,x2,y2} The coordinates of the two control points. - */ - sigma.utils.getSelfLoopControlPoints = function(x , y, size) { - return { - x1: x - size * 7, - y1: y, - x2: x, - y2: y + size * 7 - }; - }; - - /** - * Return the euclidian distance between two points of a plane - * with an orthonormal basis. - * - * @param {number} x1 The X coordinate of the first point. - * @param {number} y1 The Y coordinate of the first point. - * @param {number} x2 The X coordinate of the second point. - * @param {number} y2 The Y coordinate of the second point. - * @return {number} The euclidian distance. - */ - sigma.utils.getDistance = function(x0, y0, x1, y1) { - return Math.sqrt(Math.pow(x1 - x0, 2) + Math.pow(y1 - y0, 2)); - }; - - /** - * Return the coordinates of the intersection points of two circles. - * - * @param {number} x0 The X coordinate of center location of the first - * circle. - * @param {number} y0 The Y coordinate of center location of the first - * circle. - * @param {number} r0 The radius of the first circle. - * @param {number} x1 The X coordinate of center location of the second - * circle. - * @param {number} y1 The Y coordinate of center location of the second - * circle. - * @param {number} r1 The radius of the second circle. - * @return {xi,yi} The coordinates of the intersection points. - */ - sigma.utils.getCircleIntersection = function(x0, y0, r0, x1, y1, r1) { - // http://stackoverflow.com/a/12219802 - var a, dx, dy, d, h, rx, ry, x2, y2; - - // dx and dy are the vertical and horizontal distances between the circle - // centers: - dx = x1 - x0; - dy = y1 - y0; - - // Determine the straight-line distance between the centers: - d = Math.sqrt((dy * dy) + (dx * dx)); - - // Check for solvability: - if (d > (r0 + r1)) { - // No solution. circles do not intersect. - return false; - } - if (d < Math.abs(r0 - r1)) { - // No solution. one circle is contained in the other. - return false; - } - - //'point 2' is the point where the line through the circle intersection - // points crosses the line between the circle centers. - - // Determine the distance from point 0 to point 2: - a = ((r0 * r0) - (r1 * r1) + (d * d)) / (2.0 * d); - - // Determine the coordinates of point 2: - x2 = x0 + (dx * a / d); - y2 = y0 + (dy * a / d); - - // Determine the distance from point 2 to either of the intersection - // points: - h = Math.sqrt((r0 * r0) - (a * a)); - - // Determine the offsets of the intersection points from point 2: - rx = -dy * (h / d); - ry = dx * (h / d); - - // Determine the absolute intersection points: - var xi = x2 + rx; - var xi_prime = x2 - rx; - var yi = y2 + ry; - var yi_prime = y2 - ry; - - return {xi: xi, xi_prime: xi_prime, yi: yi, yi_prime: yi_prime}; - }; - - /** - * Check if a point is on a line segment. - * - * @param {number} x The X coordinate of the point to check. - * @param {number} y The Y coordinate of the point to check. - * @param {number} x1 The X coordinate of the line start point. - * @param {number} y1 The Y coordinate of the line start point. - * @param {number} x2 The X coordinate of the line end point. - * @param {number} y2 The Y coordinate of the line end point. - * @param {number} epsilon The precision (consider the line thickness). - * @return {boolean} True if point is "close to" the line - * segment, false otherwise. - */ - sigma.utils.isPointOnSegment = function(x, y, x1, y1, x2, y2, epsilon) { - // http://stackoverflow.com/a/328122 - var crossProduct = Math.abs((y - y1) * (x2 - x1) - (x - x1) * (y2 - y1)), - d = sigma.utils.getDistance(x1, y1, x2, y2), - nCrossProduct = crossProduct / d; // normalized cross product - - return (nCrossProduct < epsilon && - Math.min(x1, x2) <= x && x <= Math.max(x1, x2) && - Math.min(y1, y2) <= y && y <= Math.max(y1, y2)); - }; - - /** - * Check if a point is on a quadratic bezier curve segment with a thickness. - * - * @param {number} x The X coordinate of the point to check. - * @param {number} y The Y coordinate of the point to check. - * @param {number} x1 The X coordinate of the curve start point. - * @param {number} y1 The Y coordinate of the curve start point. - * @param {number} x2 The X coordinate of the curve end point. - * @param {number} y2 The Y coordinate of the curve end point. - * @param {number} cpx The X coordinate of the curve control point. - * @param {number} cpy The Y coordinate of the curve control point. - * @param {number} epsilon The precision (consider the line thickness). - * @return {boolean} True if (x,y) is on the curve segment, - * false otherwise. - */ - sigma.utils.isPointOnQuadraticCurve = - function(x, y, x1, y1, x2, y2, cpx, cpy, epsilon) { - // Fails if the point is too far from the extremities of the segment, - // preventing for more costly computation: - var dP1P2 = sigma.utils.getDistance(x1, y1, x2, y2); - if (Math.abs(x - x1) > dP1P2 || Math.abs(y - y1) > dP1P2) { - return false; - } - - var dP1 = sigma.utils.getDistance(x, y, x1, y1), - dP2 = sigma.utils.getDistance(x, y, x2, y2), - t = 0.5, - r = (dP1 < dP2) ? -0.01 : 0.01, - rThreshold = 0.001, - i = 100, - pt = sigma.utils.getPointOnQuadraticCurve(t, x1, y1, x2, y2, cpx, cpy), - dt = sigma.utils.getDistance(x, y, pt.x, pt.y), - old_dt; - - // This algorithm minimizes the distance from the point to the curve. It - // find the optimal t value where t=0 is the start point and t=1 is the end - // point of the curve, starting from t=0.5. - // It terminates because it runs a maximum of i interations. - while (i-- > 0 && - t >= 0 && t <= 1 && - (dt > epsilon) && - (r > rThreshold || r < -rThreshold)) { - old_dt = dt; - pt = sigma.utils.getPointOnQuadraticCurve(t, x1, y1, x2, y2, cpx, cpy); - dt = sigma.utils.getDistance(x, y, pt.x, pt.y); - - if (dt > old_dt) { - // not the right direction: - // halfstep in the opposite direction - r = -r / 2; - t += r; - } - else if (t + r < 0 || t + r > 1) { - // oops, we've gone too far: - // revert with a halfstep - r = r / 2; - dt = old_dt; - } - else { - // progress: - t += r; - } - } - - return dt < epsilon; - }; - - - /** - * Check if a point is on a cubic bezier curve segment with a thickness. - * - * @param {number} x The X coordinate of the point to check. - * @param {number} y The Y coordinate of the point to check. - * @param {number} x1 The X coordinate of the curve start point. - * @param {number} y1 The Y coordinate of the curve start point. - * @param {number} x2 The X coordinate of the curve end point. - * @param {number} y2 The Y coordinate of the curve end point. - * @param {number} cpx1 The X coordinate of the 1st curve control point. - * @param {number} cpy1 The Y coordinate of the 1st curve control point. - * @param {number} cpx2 The X coordinate of the 2nd curve control point. - * @param {number} cpy2 The Y coordinate of the 2nd curve control point. - * @param {number} epsilon The precision (consider the line thickness). - * @return {boolean} True if (x,y) is on the curve segment, - * false otherwise. - */ - sigma.utils.isPointOnBezierCurve = - function(x, y, x1, y1, x2, y2, cpx1, cpy1, cpx2, cpy2, epsilon) { - // Fails if the point is too far from the extremities of the segment, - // preventing for more costly computation: - var dP1CP1 = sigma.utils.getDistance(x1, y1, cpx1, cpy1); - if (Math.abs(x - x1) > dP1CP1 || Math.abs(y - y1) > dP1CP1) { - return false; - } - - var dP1 = sigma.utils.getDistance(x, y, x1, y1), - dP2 = sigma.utils.getDistance(x, y, x2, y2), - t = 0.5, - r = (dP1 < dP2) ? -0.01 : 0.01, - rThreshold = 0.001, - i = 100, - pt = sigma.utils.getPointOnBezierCurve( - t, x1, y1, x2, y2, cpx1, cpy1, cpx2, cpy2), - dt = sigma.utils.getDistance(x, y, pt.x, pt.y), - old_dt; - - // This algorithm minimizes the distance from the point to the curve. It - // find the optimal t value where t=0 is the start point and t=1 is the end - // point of the curve, starting from t=0.5. - // It terminates because it runs a maximum of i interations. - while (i-- > 0 && - t >= 0 && t <= 1 && - (dt > epsilon) && - (r > rThreshold || r < -rThreshold)) { - old_dt = dt; - pt = sigma.utils.getPointOnBezierCurve( - t, x1, y1, x2, y2, cpx1, cpy1, cpx2, cpy2); - dt = sigma.utils.getDistance(x, y, pt.x, pt.y); - - if (dt > old_dt) { - // not the right direction: - // halfstep in the opposite direction - r = -r / 2; - t += r; - } - else if (t + r < 0 || t + r > 1) { - // oops, we've gone too far: - // revert with a halfstep - r = r / 2; - dt = old_dt; - } - else { - // progress: - t += r; - } - } - - return dt < epsilon; - }; - - - /** - * ************ - * EVENTS UTILS: - * ************ - */ - /** - * Here are some useful functions to unify extraction of the information we - * need with mouse events and touch events, from different browsers: - */ - - /** - * Extract the local X position from a mouse or touch event. - * - * @param {event} e A mouse or touch event. - * @return {number} The local X value of the mouse. - */ - sigma.utils.getX = function(e) { - return ( - (e.offsetX !== undefined && e.offsetX) || - (e.layerX !== undefined && e.layerX) || - (e.clientX !== undefined && e.clientX) - ); - }; - - /** - * Extract the local Y position from a mouse or touch event. - * - * @param {event} e A mouse or touch event. - * @return {number} The local Y value of the mouse. - */ - sigma.utils.getY = function(e) { - return ( - (e.offsetY !== undefined && e.offsetY) || - (e.layerY !== undefined && e.layerY) || - (e.clientY !== undefined && e.clientY) - ); - }; - - /** - * The pixel ratio of the screen. Taking zoom into account - * - * @return {number} Pixel ratio of the screen - */ - sigma.utils.getPixelRatio = function() { - var ratio = 1; - if (window.screen.deviceXDPI !== undefined && - window.screen.logicalXDPI !== undefined && - window.screen.deviceXDPI > window.screen.logicalXDPI) { - ratio = window.screen.systemXDPI / window.screen.logicalXDPI; - } - else if (window.devicePixelRatio !== undefined) { - ratio = window.devicePixelRatio; - } - return ratio; - }; - - /** - * Extract the width from a mouse or touch event. - * - * @param {event} e A mouse or touch event. - * @return {number} The width of the event's target. - */ - sigma.utils.getWidth = function(e) { - var w = (!e.target.ownerSVGElement) ? - e.target.width : - e.target.ownerSVGElement.width; - - return ( - (typeof w === 'number' && w) || - (w !== undefined && w.baseVal !== undefined && w.baseVal.value) - ); - }; - - /** - * Extract the center from a mouse or touch event. - * - * @param {event} e A mouse or touch event. - * @return {object} The center of the event's target. - */ - sigma.utils.getCenter = function(e) { - var ratio = e.target.namespaceURI.indexOf('svg') !== -1 ? 1 : - sigma.utils.getPixelRatio(); - return { - x: sigma.utils.getWidth(e) / (2 * ratio), - y: sigma.utils.getHeight(e) / (2 * ratio), - }; - }; - - /** - * Convert mouse coords to sigma coords - * - * @param {event} e A mouse or touch event. - * @param {number?} x The x coord to convert - * @param {number?} x The y coord to convert - * - * @return {object} The standardized event - */ - sigma.utils.mouseCoords = function(e, x, y) { - x = x || sigma.utils.getX(e); - y = y || sigma.utils.getY(e); - return { - x: x - sigma.utils.getCenter(e).x, - y: y - sigma.utils.getCenter(e).y, - clientX: e.clientX, - clientY: e.clientY, - ctrlKey: e.ctrlKey, - metaKey: e.metaKey, - altKey: e.altKey, - shiftKey: e.shiftKey - }; - }; - - /** - * Extract the height from a mouse or touch event. - * - * @param {event} e A mouse or touch event. - * @return {number} The height of the event's target. - */ - sigma.utils.getHeight = function(e) { - var h = (!e.target.ownerSVGElement) ? - e.target.height : - e.target.ownerSVGElement.height; - - return ( - (typeof h === 'number' && h) || - (h !== undefined && h.baseVal !== undefined && h.baseVal.value) - ); - }; - - /** - * Extract the wheel delta from a mouse or touch event. - * - * @param {event} e A mouse or touch event. - * @return {number} The wheel delta of the mouse. - */ - sigma.utils.getDelta = function(e) { - return ( - (e.wheelDelta !== undefined && e.wheelDelta) || - (e.detail !== undefined && -e.detail) - ); - }; - - /** - * Returns the offset of a DOM element. - * - * @param {DOMElement} dom The element to retrieve the position. - * @return {object} The offset of the DOM element (top, left). - */ - sigma.utils.getOffset = function(dom) { - var left = 0, - top = 0; - - while (dom) { - top = top + parseInt(dom.offsetTop); - left = left + parseInt(dom.offsetLeft); - dom = dom.offsetParent; - } - - return { - top: top, - left: left - }; - }; - - /** - * Simulates a "double click" event. - * - * @param {HTMLElement} target The event target. - * @param {string} type The event type. - * @param {function} callback The callback to execute. - */ - sigma.utils.doubleClick = function(target, type, callback) { - var clicks = 0, - self = this, - handlers; - - target._doubleClickHandler = target._doubleClickHandler || {}; - target._doubleClickHandler[type] = target._doubleClickHandler[type] || []; - handlers = target._doubleClickHandler[type]; - - handlers.push(function(e) { - clicks++; - - if (clicks === 2) { - clicks = 0; - return callback(e); - } else if (clicks === 1) { - setTimeout(function() { - clicks = 0; - }, sigma.settings.doubleClickTimeout); - } - }); - - target.addEventListener(type, handlers[handlers.length - 1], false); - }; - - /** - * Unbind simulated "double click" events. - * - * @param {HTMLElement} target The event target. - * @param {string} type The event type. - */ - sigma.utils.unbindDoubleClick = function(target, type) { - var handler, - handlers = (target._doubleClickHandler || {})[type] || []; - - while ((handler = handlers.pop())) { - target.removeEventListener(type, handler); - } - - delete (target._doubleClickHandler || {})[type]; - }; - - - - - /** - * Here are just some of the most basic easing functions, used for the - * animated camera "goTo" calls. - * - * If you need some more easings functions, don't hesitate to add them to - * sigma.utils.easings. But I will not add some more here or merge PRs - * containing, because I do not want sigma sources full of overkill and never - * used stuff... - */ - sigma.utils.easings = sigma.utils.easings || {}; - sigma.utils.easings.linearNone = function(k) { - return k; - }; - sigma.utils.easings.quadraticIn = function(k) { - return k * k; - }; - sigma.utils.easings.quadraticOut = function(k) { - return k * (2 - k); - }; - sigma.utils.easings.quadraticInOut = function(k) { - if ((k *= 2) < 1) - return 0.5 * k * k; - return - 0.5 * (--k * (k - 2) - 1); - }; - sigma.utils.easings.cubicIn = function(k) { - return k * k * k; - }; - sigma.utils.easings.cubicOut = function(k) { - return --k * k * k + 1; - }; - sigma.utils.easings.cubicInOut = function(k) { - if ((k *= 2) < 1) - return 0.5 * k * k * k; - return 0.5 * ((k -= 2) * k * k + 2); - }; - - - - - /** - * ************ - * WEBGL UTILS: - * ************ - */ - /** - * Loads a WebGL shader and returns it. - * - * @param {WebGLContext} gl The WebGLContext to use. - * @param {string} shaderSource The shader source. - * @param {number} shaderType The type of shader. - * @param {function(string): void} error Callback for errors. - * @return {WebGLShader} The created shader. - */ - sigma.utils.loadShader = function(gl, shaderSource, shaderType, error) { - var compiled, - shader = gl.createShader(shaderType); - - // Load the shader source - gl.shaderSource(shader, shaderSource); - - // Compile the shader - gl.compileShader(shader); - - // Check the compile status - compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); - - // If something went wrong: - if (!compiled) { - if (error) { - error( - 'Error compiling shader "' + shader + '":' + - gl.getShaderInfoLog(shader) - ); - } - - gl.deleteShader(shader); - return null; - } - - return shader; - }; - - /** - * Creates a program, attaches shaders, binds attrib locations, links the - * program and calls useProgram. - * - * @param {Array.<WebGLShader>} shaders The shaders to attach. - * @param {Array.<string>} attribs The attribs names. - * @param {Array.<number>} locations The locations for the attribs. - * @param {function(string): void} error Callback for errors. - * @return {WebGLProgram} The created program. - */ - sigma.utils.loadProgram = function(gl, shaders, attribs, loc, error) { - var i, - linked, - program = gl.createProgram(); - - for (i = 0; i < shaders.length; ++i) - gl.attachShader(program, shaders[i]); - - if (attribs) - for (i = 0; i < attribs.length; ++i) - gl.bindAttribLocation( - program, - locations ? locations[i] : i, - opt_attribs[i] - ); - - gl.linkProgram(program); - - // Check the link status - linked = gl.getProgramParameter(program, gl.LINK_STATUS); - if (!linked) { - if (error) - error('Error in program linking: ' + gl.getProgramInfoLog(program)); - - gl.deleteProgram(program); - return null; - } - - return program; - }; - - - - - /** - * ********* - * MATRICES: - * ********* - * The following utils are just here to help generating the transformation - * matrices for the WebGL renderers. - */ - sigma.utils.pkg('sigma.utils.matrices'); - - /** - * The returns a 3x3 translation matrix. - * - * @param {number} dx The X translation. - * @param {number} dy The Y translation. - * @return {array} Returns the matrix. - */ - sigma.utils.matrices.translation = function(dx, dy) { - return [ - 1, 0, 0, - 0, 1, 0, - dx, dy, 1 - ]; - }; - - /** - * The returns a 3x3 or 2x2 rotation matrix. - * - * @param {number} angle The rotation angle. - * @param {boolean} m2 If true, the function will return a 2x2 matrix. - * @return {array} Returns the matrix. - */ - sigma.utils.matrices.rotation = function(angle, m2) { - var cos = Math.cos(angle), - sin = Math.sin(angle); - - return m2 ? [ - cos, -sin, - sin, cos - ] : [ - cos, -sin, 0, - sin, cos, 0, - 0, 0, 1 - ]; - }; - - /** - * The returns a 3x3 or 2x2 homothetic transformation matrix. - * - * @param {number} ratio The scaling ratio. - * @param {boolean} m2 If true, the function will return a 2x2 matrix. - * @return {array} Returns the matrix. - */ - sigma.utils.matrices.scale = function(ratio, m2) { - return m2 ? [ - ratio, 0, - 0, ratio - ] : [ - ratio, 0, 0, - 0, ratio, 0, - 0, 0, 1 - ]; - }; - - /** - * The returns a 3x3 or 2x2 homothetic transformation matrix. - * - * @param {array} a The first matrix. - * @param {array} b The second matrix. - * @param {boolean} m2 If true, the function will assume both matrices are - * 2x2. - * @return {array} Returns the matrix. - */ - sigma.utils.matrices.multiply = function(a, b, m2) { - var l = m2 ? 2 : 3, - a00 = a[0 * l + 0], - a01 = a[0 * l + 1], - a02 = a[0 * l + 2], - a10 = a[1 * l + 0], - a11 = a[1 * l + 1], - a12 = a[1 * l + 2], - a20 = a[2 * l + 0], - a21 = a[2 * l + 1], - a22 = a[2 * l + 2], - b00 = b[0 * l + 0], - b01 = b[0 * l + 1], - b02 = b[0 * l + 2], - b10 = b[1 * l + 0], - b11 = b[1 * l + 1], - b12 = b[1 * l + 2], - b20 = b[2 * l + 0], - b21 = b[2 * l + 1], - b22 = b[2 * l + 2]; - - return m2 ? [ - a00 * b00 + a01 * b10, - a00 * b01 + a01 * b11, - a10 * b00 + a11 * b10, - a10 * b01 + a11 * b11 - ] : [ - a00 * b00 + a01 * b10 + a02 * b20, - a00 * b01 + a01 * b11 + a02 * b21, - a00 * b02 + a01 * b12 + a02 * b22, - a10 * b00 + a11 * b10 + a12 * b20, - a10 * b01 + a11 * b11 + a12 * b21, - a10 * b02 + a11 * b12 + a12 * b22, - a20 * b00 + a21 * b10 + a22 * b20, - a20 * b01 + a21 * b11 + a22 * b21, - a20 * b02 + a21 * b12 + a22 * b22 - ]; - }; -}).call(this); - -;(function(global) { - 'use strict'; - - /** - * http://paulirish.com/2011/requestanimationframe-for-smart-animating/ - * http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating - * requestAnimationFrame polyfill by Erik Möller. - * fixes from Paul Irish and Tino Zijdel - * MIT license - */ - var x, - lastTime = 0, - vendors = ['ms', 'moz', 'webkit', 'o']; - - for (x = 0; x < vendors.length && !global.requestAnimationFrame; x++) { - global.requestAnimationFrame = - global[vendors[x] + 'RequestAnimationFrame']; - global.cancelAnimationFrame = - global[vendors[x] + 'CancelAnimationFrame'] || - global[vendors[x] + 'CancelRequestAnimationFrame']; - } - - if (!global.requestAnimationFrame) - global.requestAnimationFrame = function(callback, element) { - var currTime = new Date().getTime(), - timeToCall = Math.max(0, 16 - (currTime - lastTime)), - id = global.setTimeout( - function() { - callback(currTime + timeToCall); - }, - timeToCall - ); - - lastTime = currTime + timeToCall; - return id; - }; - - if (!global.cancelAnimationFrame) - global.cancelAnimationFrame = function(id) { - clearTimeout(id); - }; - - /** - * Function.prototype.bind polyfill found on MDN. - * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Compatibility - * Public domain - */ - if (!Function.prototype.bind) - Function.prototype.bind = function(oThis) { - if (typeof this !== 'function') - // Closest thing possible to the ECMAScript 5 internal IsCallable - // function: - throw new TypeError( - 'Function.prototype.bind - what is trying to be bound is not callable' - ); - - var aArgs = Array.prototype.slice.call(arguments, 1), - fToBind = this, - fNOP, - fBound; - - fNOP = function() {}; - fBound = function() { - return fToBind.apply( - this instanceof fNOP && oThis ? - this : - oThis, - aArgs.concat(Array.prototype.slice.call(arguments)) - ); - }; - - fNOP.prototype = this.prototype; - fBound.prototype = new fNOP(); - - return fBound; - }; -})(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Packages initialization: - sigma.utils.pkg('sigma.settings'); - - var settings = { - /** - * GRAPH SETTINGS: - * *************** - */ - // {boolean} Indicates if the data have to be cloned in methods to add - // nodes or edges. - clone: true, - // {boolean} Indicates if nodes "id" values and edges "id", "source" and - // "target" values must be set as immutable. - immutable: true, - // {boolean} Indicates if sigma can log its errors and warnings. - verbose: false, - - - /** - * RENDERERS SETTINGS: - * ******************* - */ - // {string} - classPrefix: 'sigma', - // {string} - defaultNodeType: 'def', - // {string} - defaultEdgeType: 'def', - // {string} - defaultLabelColor: '#000', - // {string} - defaultEdgeColor: '#000', - // {string} - defaultNodeColor: '#000', - // {string} - defaultLabelSize: 14, - // {string} Indicates how to choose the edges color. Available values: - // "source", "target", "default" - edgeColor: 'source', - // {number} Defines the minimal edge's arrow display size. - minArrowSize: 0, - // {string} - font: 'arial', - // {string} Example: 'bold' - fontStyle: '', - // {string} Indicates how to choose the labels color. Available values: - // "node", "default" - labelColor: 'default', - // {string} Indicates how to choose the labels size. Available values: - // "fixed", "proportional" - labelSize: 'fixed', - // {string} The ratio between the font size of the label and the node size. - labelSizeRatio: 1, - // {number} The minimum size a node must have to see its label displayed. - labelThreshold: 8, - // {number} The oversampling factor used in WebGL renderer. - webglOversamplingRatio: 2, - // {number} The size of the border of hovered nodes. - borderSize: 0, - // {number} The default hovered node border's color. - defaultNodeBorderColor: '#000', - // {number} The hovered node's label font. If not specified, will heritate - // the "font" value. - hoverFont: '', - // {boolean} If true, then only one node can be hovered at a time. - singleHover: true, - // {string} Example: 'bold' - hoverFontStyle: '', - // {string} Indicates how to choose the hovered nodes shadow color. - // Available values: "node", "default" - labelHoverShadow: 'default', - // {string} - labelHoverShadowColor: '#000', - // {string} Indicates how to choose the hovered nodes color. - // Available values: "node", "default" - nodeHoverColor: 'node', - // {string} - defaultNodeHoverColor: '#000', - // {string} Indicates how to choose the hovered nodes background color. - // Available values: "node", "default" - labelHoverBGColor: 'default', - // {string} - defaultHoverLabelBGColor: '#fff', - // {string} Indicates how to choose the hovered labels color. - // Available values: "node", "default" - labelHoverColor: 'default', - // {string} - defaultLabelHoverColor: '#000', - // {string} Indicates how to choose the edges hover color. Available values: - // "edge", "default" - edgeHoverColor: 'edge', - // {number} The size multiplicator of hovered edges. - edgeHoverSizeRatio: 1, - // {string} - defaultEdgeHoverColor: '#000', - // {boolean} Indicates if the edge extremities must be hovered when the - // edge is hovered. - edgeHoverExtremities: false, - // {booleans} The different drawing modes: - // false: Layered not displayed. - // true: Layered displayed. - drawEdges: true, - drawNodes: true, - drawLabels: true, - drawEdgeLabels: false, - // {boolean} Indicates if the edges must be drawn in several frames or in - // one frame, as the nodes and labels are drawn. - batchEdgesDrawing: false, - // {boolean} Indicates if the edges must be hidden during dragging and - // animations. - hideEdgesOnMove: false, - // {numbers} The different batch sizes, when elements are displayed in - // several frames. - canvasEdgesBatchSize: 500, - webglEdgesBatchSize: 1000, - - - - - /** - * RESCALE SETTINGS: - * ***************** - */ - // {string} Indicates of to scale the graph relatively to its container. - // Available values: "inside", "outside" - scalingMode: 'inside', - // {number} The margin to keep around the graph. - sideMargin: 0, - // {number} Determine the size of the smallest and the biggest node / edges - // on the screen. This mapping makes easier to display the graph, - // avoiding too big nodes that take half of the screen, or too - // small ones that are not readable. If the two parameters are - // equals, then the minimal display size will be 0. And if they - // are both equal to 0, then there is no mapping, and the radius - // of the nodes will be their size. - minEdgeSize: 0.5, - maxEdgeSize: 1, - minNodeSize: 1, - maxNodeSize: 8, - - - - - /** - * CAPTORS SETTINGS: - * ***************** - */ - // {boolean} - touchEnabled: true, - // {boolean} - mouseEnabled: true, - // {boolean} - mouseWheelEnabled: true, - // {boolean} - doubleClickEnabled: true, - // {boolean} Defines whether the custom events such as "clickNode" can be - // used. - eventsEnabled: true, - // {number} Defines by how much multiplicating the zooming level when the - // user zooms with the mouse-wheel. - zoomingRatio: 1.7, - // {number} Defines by how much multiplicating the zooming level when the - // user zooms by double clicking. - doubleClickZoomingRatio: 2.2, - // {number} The minimum zooming level. - zoomMin: 0.0625, - // {number} The maximum zooming level. - zoomMax: 2, - // {number} The duration of animations following a mouse scrolling. - mouseZoomDuration: 200, - // {number} The duration of animations following a mouse double click. - doubleClickZoomDuration: 200, - // {number} The duration of animations following a mouse dropping. - mouseInertiaDuration: 200, - // {number} The inertia power (mouse captor). - mouseInertiaRatio: 3, - // {number} The duration of animations following a touch dropping. - touchInertiaDuration: 200, - // {number} The inertia power (touch captor). - touchInertiaRatio: 3, - // {number} The maximum time between two clicks to make it a double click. - doubleClickTimeout: 300, - // {number} The maximum time between two taps to make it a double tap. - doubleTapTimeout: 300, - // {number} The maximum time of dragging to trigger intertia. - dragTimeout: 200, - - - - - /** - * GLOBAL SETTINGS: - * **************** - */ - // {boolean} Determines whether the instance has to refresh itself - // automatically when a "resize" event is dispatched from the - // window object. - autoResize: true, - // {boolean} Determines whether the "rescale" middleware has to be called - // automatically for each camera on refresh. - autoRescale: true, - // {boolean} If set to false, the camera method "goTo" will basically do - // nothing. - enableCamera: true, - // {boolean} If set to false, the nodes cannot be hovered. - enableHovering: true, - // {boolean} If set to true, the edges can be hovered. - enableEdgeHovering: false, - // {number} The size of the area around the edges to activate hovering. - edgeHoverPrecision: 5, - // {boolean} If set to true, the rescale middleware will ignore node sizes - // to determine the graphs boundings. - rescaleIgnoreSize: false, - // {boolean} Determines if the core has to try to catch errors on - // rendering. - skipErrors: false, - - - - - /** - * CAMERA SETTINGS: - * **************** - */ - // {number} The power degrees applied to the nodes/edges size relatively to - // the zooming level. Basically: - // > onScreenR = Math.pow(zoom, nodesPowRatio) * R - // > onScreenT = Math.pow(zoom, edgesPowRatio) * T - nodesPowRatio: 0.5, - edgesPowRatio: 0.5, - - - - - /** - * ANIMATIONS SETTINGS: - * ******************** - */ - // {number} The default animation time. - animationsTime: 200 - }; - - // Export the previously designed settings: - sigma.settings = sigma.utils.extend(sigma.settings || {}, settings); -}).call(this); - -;(function() { - 'use strict'; - - /** - * Dispatcher constructor. - * - * @return {dispatcher} The new dispatcher instance. - */ - var dispatcher = function() { - Object.defineProperty(this, '_handlers', { - value: {} - }); - }; - - - - - /** - * Will execute the handler everytime that the indicated event (or the - * indicated events) will be triggered. - * - * @param {string} events The name of the event (or the events - * separated by spaces). - * @param {function(Object)} handler The handler to bind. - * @return {dispatcher} Returns the instance itself. - */ - dispatcher.prototype.bind = function(events, handler) { - var i, - l, - event, - eArray; - - if ( - arguments.length === 1 && - typeof arguments[0] === 'object' - ) - for (events in arguments[0]) - this.bind(events, arguments[0][events]); - else if ( - arguments.length === 2 && - typeof arguments[1] === 'function' - ) { - eArray = typeof events === 'string' ? events.split(' ') : events; - - for (i = 0, l = eArray.length; i !== l; i += 1) { - event = eArray[i]; - - // Check that event is not '': - if (!event) - continue; - - if (!this._handlers[event]) - this._handlers[event] = []; - - // Using an object instead of directly the handler will make possible - // later to add flags - this._handlers[event].push({ - handler: handler - }); - } - } else - throw 'bind: Wrong arguments.'; - - return this; - }; - - /** - * Removes the handler from a specified event (or specified events). - * - * @param {?string} events The name of the event (or the events - * separated by spaces). If undefined, - * then all handlers are removed. - * @param {?function(object)} handler The handler to unbind. If undefined, - * each handler bound to the event or the - * events will be removed. - * @return {dispatcher} Returns the instance itself. - */ - dispatcher.prototype.unbind = function(events, handler) { - var i, - n, - j, - m, - k, - a, - event, - eArray = typeof events === 'string' ? events.split(' ') : events; - - if (!arguments.length) { - for (k in this._handlers) - delete this._handlers[k]; - return this; - } - - if (handler) { - for (i = 0, n = eArray.length; i !== n; i += 1) { - event = eArray[i]; - if (this._handlers[event]) { - a = []; - for (j = 0, m = this._handlers[event].length; j !== m; j += 1) - if (this._handlers[event][j].handler !== handler) - a.push(this._handlers[event][j]); - - this._handlers[event] = a; - } - - if (this._handlers[event] && this._handlers[event].length === 0) - delete this._handlers[event]; - } - } else - for (i = 0, n = eArray.length; i !== n; i += 1) - delete this._handlers[eArray[i]]; - - return this; - }; - - /** - * Executes each handler bound to the event - * - * @param {string} events The name of the event (or the events separated - * by spaces). - * @param {?object} data The content of the event (optional). - * @return {dispatcher} Returns the instance itself. - */ - dispatcher.prototype.dispatchEvent = function(events, data) { - var i, - n, - j, - m, - a, - event, - eventName, - self = this, - eArray = typeof events === 'string' ? events.split(' ') : events; - - data = data === undefined ? {} : data; - - for (i = 0, n = eArray.length; i !== n; i += 1) { - eventName = eArray[i]; - - if (this._handlers[eventName]) { - event = self.getEvent(eventName, data); - a = []; - - for (j = 0, m = this._handlers[eventName].length; j !== m; j += 1) { - this._handlers[eventName][j].handler(event); - if (!this._handlers[eventName][j].one) - a.push(this._handlers[eventName][j]); - } - - this._handlers[eventName] = a; - } - } - - return this; - }; - - /** - * Return an event object. - * - * @param {string} events The name of the event. - * @param {?object} data The content of the event (optional). - * @return {object} Returns the instance itself. - */ - dispatcher.prototype.getEvent = function(event, data) { - return { - type: event, - data: data || {}, - target: this - }; - }; - - /** - * A useful function to deal with inheritance. It will make the target - * inherit the prototype of the class dispatcher as well as its constructor. - * - * @param {object} target The target. - */ - dispatcher.extend = function(target, args) { - var k; - - for (k in dispatcher.prototype) - if (dispatcher.prototype.hasOwnProperty(k)) - target[k] = dispatcher.prototype[k]; - - dispatcher.apply(target, args); - }; - - - - - /** - * EXPORT: - * ******* - */ - if (typeof this.sigma !== 'undefined') { - this.sigma.classes = this.sigma.classes || {}; - this.sigma.classes.dispatcher = dispatcher; - } else if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) - exports = module.exports = dispatcher; - exports.dispatcher = dispatcher; - } else - this.dispatcher = dispatcher; -}).call(this); - -;(function() { - 'use strict'; - - /** - * This utils aims to facilitate the manipulation of each instance setting. - * Using a function instead of an object brings two main advantages: First, - * it will be easier in the future to catch settings updates through a - * function than an object. Second, giving it a full object will "merge" it - * to the settings object properly, keeping us to have to always add a loop. - * - * @return {configurable} The "settings" function. - */ - var configurable = function() { - var i, - l, - data = {}, - datas = Array.prototype.slice.call(arguments, 0); - - /** - * The method to use to set or get any property of this instance. - * - * @param {string|object} a1 If it is a string and if a2 is undefined, - * then it will return the corresponding - * property. If it is a string and if a2 is - * set, then it will set a2 as the property - * corresponding to a1, and return this. If - * it is an object, then each pair string + - * object(or any other type) will be set as a - * property. - * @param {*?} a2 The new property corresponding to a1 if a1 - * is a string. - * @return {*|configurable} Returns itself or the corresponding - * property. - * - * Polymorphism: - * ************* - * Here are some basic use examples: - * - * > settings = new configurable(); - * > settings('mySetting', 42); - * > settings('mySetting'); // Logs: 42 - * > settings('mySetting', 123); - * > settings('mySetting'); // Logs: 123 - * > settings({mySetting: 456}); - * > settings('mySetting'); // Logs: 456 - * - * Also, it is possible to use the function as a fallback: - * > settings({mySetting: 'abc'}, 'mySetting'); // Logs: 'abc' - * > settings({hisSetting: 'abc'}, 'mySetting'); // Logs: 456 - */ - var settings = function(a1, a2) { - var o, - i, - l, - k; - - if (arguments.length === 1 && typeof a1 === 'string') { - if (data[a1] !== undefined) - return data[a1]; - for (i = 0, l = datas.length; i < l; i++) - if (datas[i][a1] !== undefined) - return datas[i][a1]; - return undefined; - } else if (typeof a1 === 'object' && typeof a2 === 'string') { - return (a1 || {})[a2] !== undefined ? a1[a2] : settings(a2); - } else { - o = (typeof a1 === 'object' && a2 === undefined) ? a1 : {}; - - if (typeof a1 === 'string') - o[a1] = a2; - - for (i = 0, k = Object.keys(o), l = k.length; i < l; i++) - data[k[i]] = o[k[i]]; - - return this; - } - }; - - /** - * This method returns a new configurable function, with new objects - * - * @param {object*} Any number of objects to search in. - * @return {function} Returns the function. Check its documentation to know - * more about how it works. - */ - settings.embedObjects = function() { - var args = datas.concat( - data - ).concat( - Array.prototype.splice.call(arguments, 0) - ); - - return configurable.apply({}, args); - }; - - // Initialize - for (i = 0, l = arguments.length; i < l; i++) - settings(arguments[i]); - - return settings; - }; - - /** - * EXPORT: - * ******* - */ - if (typeof this.sigma !== 'undefined') { - this.sigma.classes = this.sigma.classes || {}; - this.sigma.classes.configurable = configurable; - } else if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) - exports = module.exports = configurable; - exports.configurable = configurable; - } else - this.configurable = configurable; -}).call(this); - -;(function(undefined) { - 'use strict'; - - var _methods = Object.create(null), - _indexes = Object.create(null), - _initBindings = Object.create(null), - _methodBindings = Object.create(null), - _methodBeforeBindings = Object.create(null), - _defaultSettings = { - immutable: true, - clone: true - }, - _defaultSettingsFunction = function(key) { - return _defaultSettings[key]; - }; - - /** - * The graph constructor. It initializes the data and the indexes, and binds - * the custom indexes and methods to its own scope. - * - * Recognized parameters: - * ********************** - * Here is the exhaustive list of every accepted parameters in the settings - * object: - * - * {boolean} clone Indicates if the data have to be cloned in methods - * to add nodes or edges. - * {boolean} immutable Indicates if nodes "id" values and edges "id", - * "source" and "target" values must be set as - * immutable. - * - * @param {?configurable} settings Eventually a settings function. - * @return {graph} The new graph instance. - */ - var graph = function(settings) { - var k, - fn, - data; - - /** - * DATA: - * ***** - * Every data that is callable from graph methods are stored in this "data" - * object. This object will be served as context for all these methods, - * and it is possible to add other type of data in it. - */ - data = { - /** - * SETTINGS FUNCTION: - * ****************** - */ - settings: settings || _defaultSettingsFunction, - - /** - * MAIN DATA: - * ********** - */ - nodesArray: [], - edgesArray: [], - - /** - * GLOBAL INDEXES: - * *************** - * These indexes just index data by ids. - */ - nodesIndex: Object.create(null), - edgesIndex: Object.create(null), - - /** - * LOCAL INDEXES: - * ************** - * These indexes refer from node to nodes. Each key is an id, and each - * value is the array of the ids of related nodes. - */ - inNeighborsIndex: Object.create(null), - outNeighborsIndex: Object.create(null), - allNeighborsIndex: Object.create(null), - - inNeighborsCount: Object.create(null), - outNeighborsCount: Object.create(null), - allNeighborsCount: Object.create(null) - }; - - // Execute bindings: - for (k in _initBindings) - _initBindings[k].call(data); - - // Add methods to both the scope and the data objects: - for (k in _methods) { - fn = __bindGraphMethod(k, data, _methods[k]); - this[k] = fn; - data[k] = fn; - } - }; - - - - - /** - * A custom tool to bind methods such that function that are bound to it will - * be executed anytime the method is called. - * - * @param {string} methodName The name of the method to bind. - * @param {object} scope The scope where the method must be executed. - * @param {function} fn The method itself. - * @return {function} The new method. - */ - function __bindGraphMethod(methodName, scope, fn) { - var result = function() { - var k, - res; - - // Execute "before" bound functions: - for (k in _methodBeforeBindings[methodName]) - _methodBeforeBindings[methodName][k].apply(scope, arguments); - - // Apply the method: - res = fn.apply(scope, arguments); - - // Execute bound functions: - for (k in _methodBindings[methodName]) - _methodBindings[methodName][k].apply(scope, arguments); - - // Return res: - return res; - }; - - return result; - } - - /** - * This custom tool function removes every pair key/value from an hash. The - * goal is to avoid creating a new object while some other references are - * still hanging in some scopes... - * - * @param {object} obj The object to empty. - * @return {object} The empty object. - */ - function __emptyObject(obj) { - var k; - - for (k in obj) - if (!('hasOwnProperty' in obj) || obj.hasOwnProperty(k)) - delete obj[k]; - - return obj; - } - - - - - /** - * This global method adds a method that will be bound to the futurly created - * graph instances. - * - * Since these methods will be bound to their scope when the instances are - * created, it does not use the prototype. Because of that, methods have to - * be added before instances are created to make them available. - * - * Here is an example: - * - * > graph.addMethod('getNodesCount', function() { - * > return this.nodesArray.length; - * > }); - * > - * > var myGraph = new graph(); - * > console.log(myGraph.getNodesCount()); // outputs 0 - * - * @param {string} methodName The name of the method. - * @param {function} fn The method itself. - * @return {object} The global graph constructor. - */ - graph.addMethod = function(methodName, fn) { - if ( - typeof methodName !== 'string' || - typeof fn !== 'function' || - arguments.length !== 2 - ) - throw 'addMethod: Wrong arguments.'; - - if (_methods[methodName] || graph[methodName]) - throw 'The method "' + methodName + '" already exists.'; - - _methods[methodName] = fn; - _methodBindings[methodName] = Object.create(null); - _methodBeforeBindings[methodName] = Object.create(null); - - return this; - }; - - /** - * This global method returns true if the method has already been added, and - * false else. - * - * Here are some examples: - * - * > graph.hasMethod('addNode'); // returns true - * > graph.hasMethod('hasMethod'); // returns true - * > graph.hasMethod('unexistingMethod'); // returns false - * - * @param {string} methodName The name of the method. - * @return {boolean} The result. - */ - graph.hasMethod = function(methodName) { - return !!(_methods[methodName] || graph[methodName]); - }; - - /** - * This global methods attaches a function to a method. Anytime the specified - * method is called, the attached function is called right after, with the - * same arguments and in the same scope. The attached function is called - * right before if the last argument is true, unless the method is the graph - * constructor. - * - * To attach a function to the graph constructor, use 'constructor' as the - * method name (first argument). - * - * The main idea is to have a clean way to keep custom indexes up to date, - * for instance: - * - * > var timesAddNodeCalled = 0; - * > graph.attach('addNode', 'timesAddNodeCalledInc', function() { - * > timesAddNodeCalled++; - * > }); - * > - * > var myGraph = new graph(); - * > console.log(timesAddNodeCalled); // outputs 0 - * > - * > myGraph.addNode({ id: '1' }).addNode({ id: '2' }); - * > console.log(timesAddNodeCalled); // outputs 2 - * - * The idea for calling a function before is to provide pre-processors, for - * instance: - * - * > var colorPalette = { Person: '#C3CBE1', Place: '#9BDEBD' }; - * > graph.attach('addNode', 'applyNodeColorPalette', function(n) { - * > n.color = colorPalette[n.category]; - * > }, true); - * > - * > var myGraph = new graph(); - * > myGraph.addNode({ id: 'n0', category: 'Person' }); - * > console.log(myGraph.nodes('n0').color); // outputs '#C3CBE1' - * - * @param {string} methodName The name of the related method or - * "constructor". - * @param {string} key The key to identify the function to attach. - * @param {function} fn The function to bind. - * @param {boolean} before If true the function is called right before. - * @return {object} The global graph constructor. - */ - graph.attach = function(methodName, key, fn, before) { - if ( - typeof methodName !== 'string' || - typeof key !== 'string' || - typeof fn !== 'function' || - arguments.length < 3 || - arguments.length > 4 - ) - throw 'attach: Wrong arguments.'; - - var bindings; - - if (methodName === 'constructor') - bindings = _initBindings; - else { - if (before) { - if (!_methodBeforeBindings[methodName]) - throw 'The method "' + methodName + '" does not exist.'; - - bindings = _methodBeforeBindings[methodName]; - } - else { - if (!_methodBindings[methodName]) - throw 'The method "' + methodName + '" does not exist.'; - - bindings = _methodBindings[methodName]; - } - } - - if (bindings[key]) - throw 'A function "' + key + '" is already attached ' + - 'to the method "' + methodName + '".'; - - bindings[key] = fn; - - return this; - }; - - /** - * Alias of attach(methodName, key, fn, true). - */ - graph.attachBefore = function(methodName, key, fn) { - return this.attach(methodName, key, fn, true); - }; - - /** - * This methods is just an helper to deal with custom indexes. It takes as - * arguments the name of the index and an object containing all the different - * functions to bind to the methods. - * - * Here is a basic example, that creates an index to keep the number of nodes - * in the current graph. It also adds a method to provide a getter on that - * new index: - * - * > sigma.classes.graph.addIndex('nodesCount', { - * > constructor: function() { - * > this.nodesCount = 0; - * > }, - * > addNode: function() { - * > this.nodesCount++; - * > }, - * > dropNode: function() { - * > this.nodesCount--; - * > } - * > }); - * > - * > sigma.classes.graph.addMethod('getNodesCount', function() { - * > return this.nodesCount; - * > }); - * > - * > var myGraph = new sigma.classes.graph(); - * > console.log(myGraph.getNodesCount()); // outputs 0 - * > - * > myGraph.addNode({ id: '1' }).addNode({ id: '2' }); - * > console.log(myGraph.getNodesCount()); // outputs 2 - * - * @param {string} name The name of the index. - * @param {object} bindings The object containing the functions to bind. - * @return {object} The global graph constructor. - */ - graph.addIndex = function(name, bindings) { - if ( - typeof name !== 'string' || - Object(bindings) !== bindings || - arguments.length !== 2 - ) - throw 'addIndex: Wrong arguments.'; - - if (_indexes[name]) - throw 'The index "' + name + '" already exists.'; - - var k; - - // Store the bindings: - _indexes[name] = bindings; - - // Attach the bindings: - for (k in bindings) - if (typeof bindings[k] !== 'function') - throw 'The bindings must be functions.'; - else - graph.attach(k, name, bindings[k]); - - return this; - }; - - - - - /** - * This method adds a node to the graph. The node must be an object, with a - * string under the key "id". Except for this, it is possible to add any - * other attribute, that will be preserved all along the manipulations. - * - * If the graph option "clone" has a truthy value, the node will be cloned - * when added to the graph. Also, if the graph option "immutable" has a - * truthy value, its id will be defined as immutable. - * - * @param {object} node The node to add. - * @return {object} The graph instance. - */ - graph.addMethod('addNode', function(node) { - // Check that the node is an object and has an id: - if (Object(node) !== node || arguments.length !== 1) - throw 'addNode: Wrong arguments.'; - - if (typeof node.id !== 'string' && typeof node.id !== 'number') - throw 'The node must have a string or number id.'; - - if (this.nodesIndex[node.id]) - throw 'The node "' + node.id + '" already exists.'; - - var k, - id = node.id, - validNode = Object.create(null); - - // Check the "clone" option: - if (this.settings('clone')) { - for (k in node) - if (k !== 'id') - validNode[k] = node[k]; - } else - validNode = node; - - // Check the "immutable" option: - if (this.settings('immutable')) - Object.defineProperty(validNode, 'id', { - value: id, - enumerable: true - }); - else - validNode.id = id; - - // Add empty containers for edges indexes: - this.inNeighborsIndex[id] = Object.create(null); - this.outNeighborsIndex[id] = Object.create(null); - this.allNeighborsIndex[id] = Object.create(null); - - this.inNeighborsCount[id] = 0; - this.outNeighborsCount[id] = 0; - this.allNeighborsCount[id] = 0; - - // Add the node to indexes: - this.nodesArray.push(validNode); - this.nodesIndex[validNode.id] = validNode; - - // Return the current instance: - return this; - }); - - /** - * This method adds an edge to the graph. The edge must be an object, with a - * string under the key "id", and strings under the keys "source" and - * "target" that design existing nodes. Except for this, it is possible to - * add any other attribute, that will be preserved all along the - * manipulations. - * - * If the graph option "clone" has a truthy value, the edge will be cloned - * when added to the graph. Also, if the graph option "immutable" has a - * truthy value, its id, source and target will be defined as immutable. - * - * @param {object} edge The edge to add. - * @return {object} The graph instance. - */ - graph.addMethod('addEdge', function(edge) { - // Check that the edge is an object and has an id: - if (Object(edge) !== edge || arguments.length !== 1) - throw 'addEdge: Wrong arguments.'; - - if (typeof edge.id !== 'string' && typeof edge.id !== 'number') - throw 'The edge must have a string or number id.'; - - if ((typeof edge.source !== 'string' && typeof edge.source !== 'number') || - !this.nodesIndex[edge.source]) - throw 'The edge source must have an existing node id.'; - - if ((typeof edge.target !== 'string' && typeof edge.target !== 'number') || - !this.nodesIndex[edge.target]) - throw 'The edge target must have an existing node id.'; - - if (this.edgesIndex[edge.id]) - throw 'The edge "' + edge.id + '" already exists.'; - - var k, - validEdge = Object.create(null); - - // Check the "clone" option: - if (this.settings('clone')) { - for (k in edge) - if (k !== 'id' && k !== 'source' && k !== 'target') - validEdge[k] = edge[k]; - } else - validEdge = edge; - - // Check the "immutable" option: - if (this.settings('immutable')) { - Object.defineProperty(validEdge, 'id', { - value: edge.id, - enumerable: true - }); - - Object.defineProperty(validEdge, 'source', { - value: edge.source, - enumerable: true - }); - - Object.defineProperty(validEdge, 'target', { - value: edge.target, - enumerable: true - }); - } else { - validEdge.id = edge.id; - validEdge.source = edge.source; - validEdge.target = edge.target; - } - - // Add the edge to indexes: - this.edgesArray.push(validEdge); - this.edgesIndex[validEdge.id] = validEdge; - - if (!this.inNeighborsIndex[validEdge.target][validEdge.source]) - this.inNeighborsIndex[validEdge.target][validEdge.source] = - Object.create(null); - this.inNeighborsIndex[validEdge.target][validEdge.source][validEdge.id] = - validEdge; - - if (!this.outNeighborsIndex[validEdge.source][validEdge.target]) - this.outNeighborsIndex[validEdge.source][validEdge.target] = - Object.create(null); - this.outNeighborsIndex[validEdge.source][validEdge.target][validEdge.id] = - validEdge; - - if (!this.allNeighborsIndex[validEdge.source][validEdge.target]) - this.allNeighborsIndex[validEdge.source][validEdge.target] = - Object.create(null); - this.allNeighborsIndex[validEdge.source][validEdge.target][validEdge.id] = - validEdge; - - if (validEdge.target !== validEdge.source) { - if (!this.allNeighborsIndex[validEdge.target][validEdge.source]) - this.allNeighborsIndex[validEdge.target][validEdge.source] = - Object.create(null); - this.allNeighborsIndex[validEdge.target][validEdge.source][validEdge.id] = - validEdge; - } - - // Keep counts up to date: - this.inNeighborsCount[validEdge.target]++; - this.outNeighborsCount[validEdge.source]++; - this.allNeighborsCount[validEdge.target]++; - this.allNeighborsCount[validEdge.source]++; - - return this; - }); - - /** - * This method drops a node from the graph. It also removes each edge that is - * bound to it, through the dropEdge method. An error is thrown if the node - * does not exist. - * - * @param {string} id The node id. - * @return {object} The graph instance. - */ - graph.addMethod('dropNode', function(id) { - // Check that the arguments are valid: - if ((typeof id !== 'string' && typeof id !== 'number') || - arguments.length !== 1) - throw 'dropNode: Wrong arguments.'; - - if (!this.nodesIndex[id]) - throw 'The node "' + id + '" does not exist.'; - - var i, k, l; - - // Remove the node from indexes: - delete this.nodesIndex[id]; - for (i = 0, l = this.nodesArray.length; i < l; i++) - if (this.nodesArray[i].id === id) { - this.nodesArray.splice(i, 1); - break; - } - - // Remove related edges: - for (i = this.edgesArray.length - 1; i >= 0; i--) - if (this.edgesArray[i].source === id || this.edgesArray[i].target === id) - this.dropEdge(this.edgesArray[i].id); - - // Remove related edge indexes: - delete this.inNeighborsIndex[id]; - delete this.outNeighborsIndex[id]; - delete this.allNeighborsIndex[id]; - - delete this.inNeighborsCount[id]; - delete this.outNeighborsCount[id]; - delete this.allNeighborsCount[id]; - - for (k in this.nodesIndex) { - delete this.inNeighborsIndex[k][id]; - delete this.outNeighborsIndex[k][id]; - delete this.allNeighborsIndex[k][id]; - } - - return this; - }); - - /** - * This method drops an edge from the graph. An error is thrown if the edge - * does not exist. - * - * @param {string} id The edge id. - * @return {object} The graph instance. - */ - graph.addMethod('dropEdge', function(id) { - // Check that the arguments are valid: - if ((typeof id !== 'string' && typeof id !== 'number') || - arguments.length !== 1) - throw 'dropEdge: Wrong arguments.'; - - if (!this.edgesIndex[id]) - throw 'The edge "' + id + '" does not exist.'; - - var i, l, edge; - - // Remove the edge from indexes: - edge = this.edgesIndex[id]; - delete this.edgesIndex[id]; - for (i = 0, l = this.edgesArray.length; i < l; i++) - if (this.edgesArray[i].id === id) { - this.edgesArray.splice(i, 1); - break; - } - - delete this.inNeighborsIndex[edge.target][edge.source][edge.id]; - if (!Object.keys(this.inNeighborsIndex[edge.target][edge.source]).length) - delete this.inNeighborsIndex[edge.target][edge.source]; - - delete this.outNeighborsIndex[edge.source][edge.target][edge.id]; - if (!Object.keys(this.outNeighborsIndex[edge.source][edge.target]).length) - delete this.outNeighborsIndex[edge.source][edge.target]; - - delete this.allNeighborsIndex[edge.source][edge.target][edge.id]; - if (!Object.keys(this.allNeighborsIndex[edge.source][edge.target]).length) - delete this.allNeighborsIndex[edge.source][edge.target]; - - if (edge.target !== edge.source) { - delete this.allNeighborsIndex[edge.target][edge.source][edge.id]; - if (!Object.keys(this.allNeighborsIndex[edge.target][edge.source]).length) - delete this.allNeighborsIndex[edge.target][edge.source]; - } - - this.inNeighborsCount[edge.target]--; - this.outNeighborsCount[edge.source]--; - this.allNeighborsCount[edge.source]--; - this.allNeighborsCount[edge.target]--; - - return this; - }); - - /** - * This method destroys the current instance. It basically empties each index - * and methods attached to the graph. - */ - graph.addMethod('kill', function() { - // Delete arrays: - this.nodesArray.length = 0; - this.edgesArray.length = 0; - delete this.nodesArray; - delete this.edgesArray; - - // Delete indexes: - delete this.nodesIndex; - delete this.edgesIndex; - delete this.inNeighborsIndex; - delete this.outNeighborsIndex; - delete this.allNeighborsIndex; - delete this.inNeighborsCount; - delete this.outNeighborsCount; - delete this.allNeighborsCount; - }); - - /** - * This method empties the nodes and edges arrays, as well as the different - * indexes. - * - * @return {object} The graph instance. - */ - graph.addMethod('clear', function() { - this.nodesArray.length = 0; - this.edgesArray.length = 0; - - // Due to GC issues, I prefer not to create new object. These objects are - // only available from the methods and attached functions, but still, it is - // better to prevent ghost references to unrelevant data... - __emptyObject(this.nodesIndex); - __emptyObject(this.edgesIndex); - __emptyObject(this.nodesIndex); - __emptyObject(this.inNeighborsIndex); - __emptyObject(this.outNeighborsIndex); - __emptyObject(this.allNeighborsIndex); - __emptyObject(this.inNeighborsCount); - __emptyObject(this.outNeighborsCount); - __emptyObject(this.allNeighborsCount); - - return this; - }); - - /** - * This method reads an object and adds the nodes and edges, through the - * proper methods "addNode" and "addEdge". - * - * Here is an example: - * - * > var myGraph = new graph(); - * > myGraph.read({ - * > nodes: [ - * > { id: 'n0' }, - * > { id: 'n1' } - * > ], - * > edges: [ - * > { - * > id: 'e0', - * > source: 'n0', - * > target: 'n1' - * > } - * > ] - * > }); - * > - * > console.log( - * > myGraph.nodes().length, - * > myGraph.edges().length - * > ); // outputs 2 1 - * - * @param {object} g The graph object. - * @return {object} The graph instance. - */ - graph.addMethod('read', function(g) { - var i, - a, - l; - - a = g.nodes || []; - for (i = 0, l = a.length; i < l; i++) - this.addNode(a[i]); - - a = g.edges || []; - for (i = 0, l = a.length; i < l; i++) - this.addEdge(a[i]); - - return this; - }); - - /** - * This methods returns one or several nodes, depending on how it is called. - * - * To get the array of nodes, call "nodes" without argument. To get a - * specific node, call it with the id of the node. The get multiple node, - * call it with an array of ids, and it will return the array of nodes, in - * the same order. - * - * @param {?(string|array)} v Eventually one id, an array of ids. - * @return {object|array} The related node or array of nodes. - */ - graph.addMethod('nodes', function(v) { - // Clone the array of nodes and return it: - if (!arguments.length) - return this.nodesArray.slice(0); - - // Return the related node: - if (arguments.length === 1 && - (typeof v === 'string' || typeof v === 'number')) - return this.nodesIndex[v]; - - // Return an array of the related node: - if ( - arguments.length === 1 && - Object.prototype.toString.call(v) === '[object Array]' - ) { - var i, - l, - a = []; - - for (i = 0, l = v.length; i < l; i++) - if (typeof v[i] === 'string' || typeof v[i] === 'number') - a.push(this.nodesIndex[v[i]]); - else - throw 'nodes: Wrong arguments.'; - - return a; - } - - throw 'nodes: Wrong arguments.'; - }); - - /** - * This methods returns the degree of one or several nodes, depending on how - * it is called. It is also possible to get incoming or outcoming degrees - * instead by specifying 'in' or 'out' as a second argument. - * - * @param {string|array} v One id, an array of ids. - * @param {?string} which Which degree is required. Values are 'in', - * 'out', and by default the normal degree. - * @return {number|array} The related degree or array of degrees. - */ - graph.addMethod('degree', function(v, which) { - // Check which degree is required: - which = { - 'in': this.inNeighborsCount, - 'out': this.outNeighborsCount - }[which || ''] || this.allNeighborsCount; - - // Return the related node: - if (typeof v === 'string' || typeof v === 'number') - return which[v]; - - // Return an array of the related node: - if (Object.prototype.toString.call(v) === '[object Array]') { - var i, - l, - a = []; - - for (i = 0, l = v.length; i < l; i++) - if (typeof v[i] === 'string' || typeof v[i] === 'number') - a.push(which[v[i]]); - else - throw 'degree: Wrong arguments.'; - - return a; - } - - throw 'degree: Wrong arguments.'; - }); - - /** - * This methods returns one or several edges, depending on how it is called. - * - * To get the array of edges, call "edges" without argument. To get a - * specific edge, call it with the id of the edge. The get multiple edge, - * call it with an array of ids, and it will return the array of edges, in - * the same order. - * - * @param {?(string|array)} v Eventually one id, an array of ids. - * @return {object|array} The related edge or array of edges. - */ - graph.addMethod('edges', function(v) { - // Clone the array of edges and return it: - if (!arguments.length) - return this.edgesArray.slice(0); - - // Return the related edge: - if (arguments.length === 1 && - (typeof v === 'string' || typeof v === 'number')) - return this.edgesIndex[v]; - - // Return an array of the related edge: - if ( - arguments.length === 1 && - Object.prototype.toString.call(v) === '[object Array]' - ) { - var i, - l, - a = []; - - for (i = 0, l = v.length; i < l; i++) - if (typeof v[i] === 'string' || typeof v[i] === 'number') - a.push(this.edgesIndex[v[i]]); - else - throw 'edges: Wrong arguments.'; - - return a; - } - - throw 'edges: Wrong arguments.'; - }); - - - /** - * EXPORT: - * ******* - */ - if (typeof sigma !== 'undefined') { - sigma.classes = sigma.classes || Object.create(null); - sigma.classes.graph = graph; - } else if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) - exports = module.exports = graph; - exports.graph = graph; - } else - this.graph = graph; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - sigma.utils.pkg('sigma.classes'); - - /** - * The camera constructor. It just initializes its attributes and methods. - * - * @param {string} id The id. - * @param {sigma.classes.graph} graph The graph. - * @param {configurable} settings The settings function. - * @param {?object} options Eventually some overriding options. - * @return {camera} Returns the fresh new camera instance. - */ - sigma.classes.camera = function(id, graph, settings, options) { - sigma.classes.dispatcher.extend(this); - - Object.defineProperty(this, 'graph', { - value: graph - }); - Object.defineProperty(this, 'id', { - value: id - }); - Object.defineProperty(this, 'readPrefix', { - value: 'read_cam' + id + ':' - }); - Object.defineProperty(this, 'prefix', { - value: 'cam' + id + ':' - }); - - this.x = 0; - this.y = 0; - this.ratio = 1; - this.angle = 0; - this.isAnimated = false; - this.settings = (typeof options === 'object' && options) ? - settings.embedObject(options) : - settings; - }; - - /** - * Updates the camera position. - * - * @param {object} coordinates The new coordinates object. - * @return {camera} Returns the camera. - */ - sigma.classes.camera.prototype.goTo = function(coordinates) { - if (!this.settings('enableCamera')) - return this; - - var i, - l, - c = coordinates || {}, - keys = ['x', 'y', 'ratio', 'angle']; - - for (i = 0, l = keys.length; i < l; i++) - if (c[keys[i]] !== undefined) { - if (typeof c[keys[i]] === 'number' && !isNaN(c[keys[i]])) - this[keys[i]] = c[keys[i]]; - else - throw 'Value for "' + keys[i] + '" is not a number.'; - } - - this.dispatchEvent('coordinatesUpdated'); - return this; - }; - - /** - * This method takes a graph and computes for each node and edges its - * coordinates relatively to the center of the camera. Basically, it will - * compute the coordinates that will be used by the graphic renderers. - * - * Since it should be possible to use different cameras and different - * renderers, it is possible to specify a prefix to put before the new - * coordinates (to get something like "node.camera1_x") - * - * @param {?string} read The prefix of the coordinates to read. - * @param {?string} write The prefix of the coordinates to write. - * @param {?object} options Eventually an object of options. Those can be: - * - A restricted nodes array. - * - A restricted edges array. - * - A width. - * - A height. - * @return {camera} Returns the camera. - */ - sigma.classes.camera.prototype.applyView = function(read, write, options) { - options = options || {}; - write = write !== undefined ? write : this.prefix; - read = read !== undefined ? read : this.readPrefix; - - var nodes = options.nodes || this.graph.nodes(), - edges = options.edges || this.graph.edges(); - - var i, - l, - node, - cos = Math.cos(this.angle), - sin = Math.sin(this.angle), - nodeRatio = Math.pow(this.ratio, this.settings('nodesPowRatio')), - edgeRatio = Math.pow(this.ratio, this.settings('edgesPowRatio')), - xOffset = (options.width || 0) / 2, - yOffset = (options.height || 0) / 2; - - for (i = 0, l = nodes.length; i < l; i++) { - node = nodes[i]; - node[write + 'x'] = - ( - ((node[read + 'x'] || 0) - this.x) * cos + - ((node[read + 'y'] || 0) - this.y) * sin - ) / this.ratio + xOffset; - node[write + 'y'] = - ( - ((node[read + 'y'] || 0) - this.y) * cos - - ((node[read + 'x'] || 0) - this.x) * sin - ) / this.ratio + yOffset; - node[write + 'size'] = - (node[read + 'size'] || 0) / - nodeRatio; - } - - for (i = 0, l = edges.length; i < l; i++) { - edges[i][write + 'size'] = - (edges[i][read + 'size'] || 0) / - edgeRatio; - } - - return this; - }; - - /** - * This function converts the coordinates of a point from the frame of the - * camera to the frame of the graph. - * - * @param {number} x The X coordinate of the point in the frame of the - * camera. - * @param {number} y The Y coordinate of the point in the frame of the - * camera. - * @return {object} The point coordinates in the frame of the graph. - */ - sigma.classes.camera.prototype.graphPosition = function(x, y, vector) { - var X = 0, - Y = 0, - cos = Math.cos(this.angle), - sin = Math.sin(this.angle); - - // Revert the origin differential vector: - if (!vector) { - X = - (this.x * cos + this.y * sin) / this.ratio; - Y = - (this.y * cos - this.x * sin) / this.ratio; - } - - return { - x: (x * cos + y * sin) / this.ratio + X, - y: (y * cos - x * sin) / this.ratio + Y - }; - }; - - /** - * This function converts the coordinates of a point from the frame of the - * graph to the frame of the camera. - * - * @param {number} x The X coordinate of the point in the frame of the - * graph. - * @param {number} y The Y coordinate of the point in the frame of the - * graph. - * @return {object} The point coordinates in the frame of the camera. - */ - sigma.classes.camera.prototype.cameraPosition = function(x, y, vector) { - var X = 0, - Y = 0, - cos = Math.cos(this.angle), - sin = Math.sin(this.angle); - - // Revert the origin differential vector: - if (!vector) { - X = - (this.x * cos + this.y * sin) / this.ratio; - Y = - (this.y * cos - this.x * sin) / this.ratio; - } - - return { - x: ((x - X) * cos - (y - Y) * sin) * this.ratio, - y: ((y - Y) * cos + (x - X) * sin) * this.ratio - }; - }; - - /** - * This method returns the transformation matrix of the camera. This is - * especially useful to apply the camera view directly in shaders, in case of - * WebGL rendering. - * - * @return {array} The transformation matrix. - */ - sigma.classes.camera.prototype.getMatrix = function() { - var scale = sigma.utils.matrices.scale(1 / this.ratio), - rotation = sigma.utils.matrices.rotation(this.angle), - translation = sigma.utils.matrices.translation(-this.x, -this.y), - matrix = sigma.utils.matrices.multiply( - translation, - sigma.utils.matrices.multiply( - rotation, - scale - ) - ); - - return matrix; - }; - - /** - * Taking a width and a height as parameters, this method returns the - * coordinates of the rectangle representing the camera on screen, in the - * graph's referentiel. - * - * To keep displaying labels of nodes going out of the screen, the method - * keeps a margin around the screen in the returned rectangle. - * - * @param {number} width The width of the screen. - * @param {number} height The height of the screen. - * @return {object} The rectangle as x1, y1, x2 and y2, representing - * two opposite points. - */ - sigma.classes.camera.prototype.getRectangle = function(width, height) { - var widthVect = this.cameraPosition(width, 0, true), - heightVect = this.cameraPosition(0, height, true), - centerVect = this.cameraPosition(width / 2, height / 2, true), - marginX = this.cameraPosition(width / 4, 0, true).x, - marginY = this.cameraPosition(0, height / 4, true).y; - - return { - x1: this.x - centerVect.x - marginX, - y1: this.y - centerVect.y - marginY, - x2: this.x - centerVect.x + marginX + widthVect.x, - y2: this.y - centerVect.y - marginY + widthVect.y, - height: Math.sqrt( - Math.pow(heightVect.x, 2) + - Math.pow(heightVect.y + 2 * marginY, 2) - ) - }; - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - /** - * Sigma Quadtree Module - * ===================== - * - * Author: Guillaume Plique (Yomguithereal) - * Version: 0.2 - */ - - - - /** - * Quad Geometric Operations - * ------------------------- - * - * A useful batch of geometric operations used by the quadtree. - */ - - var _geom = { - - /** - * Transforms a graph node with x, y and size into an - * axis-aligned square. - * - * @param {object} A graph node with at least a point (x, y) and a size. - * @return {object} A square: two points (x1, y1), (x2, y2) and height. - */ - pointToSquare: function(n) { - return { - x1: n.x - n.size, - y1: n.y - n.size, - x2: n.x + n.size, - y2: n.y - n.size, - height: n.size * 2 - }; - }, - - /** - * Checks whether a rectangle is axis-aligned. - * - * @param {object} A rectangle defined by two points - * (x1, y1) and (x2, y2). - * @return {boolean} True if the rectangle is axis-aligned. - */ - isAxisAligned: function(r) { - return r.x1 === r.x2 || r.y1 === r.y2; - }, - - /** - * Compute top points of an axis-aligned rectangle. This is useful in - * cases when the rectangle has been rotated (left, right or bottom up) and - * later operations need to know the top points. - * - * @param {object} An axis-aligned rectangle defined by two points - * (x1, y1), (x2, y2) and height. - * @return {object} A rectangle: two points (x1, y1), (x2, y2) and height. - */ - axisAlignedTopPoints: function(r) { - - // Basic - if (r.y1 === r.y2 && r.x1 < r.x2) - return r; - - // Rotated to right - if (r.x1 === r.x2 && r.y2 > r.y1) - return { - x1: r.x1 - r.height, y1: r.y1, - x2: r.x1, y2: r.y1, - height: r.height - }; - - // Rotated to left - if (r.x1 === r.x2 && r.y2 < r.y1) - return { - x1: r.x1, y1: r.y2, - x2: r.x2 + r.height, y2: r.y2, - height: r.height - }; - - // Bottom's up - return { - x1: r.x2, y1: r.y1 - r.height, - x2: r.x1, y2: r.y1 - r.height, - height: r.height - }; - }, - - /** - * Get coordinates of a rectangle's lower left corner from its top points. - * - * @param {object} A rectangle defined by two points (x1, y1) and (x2, y2). - * @return {object} Coordinates of the corner (x, y). - */ - lowerLeftCoor: function(r) { - var width = ( - Math.sqrt( - Math.pow(r.x2 - r.x1, 2) + - Math.pow(r.y2 - r.y1, 2) - ) - ); - - return { - x: r.x1 - (r.y2 - r.y1) * r.height / width, - y: r.y1 + (r.x2 - r.x1) * r.height / width - }; - }, - - /** - * Get coordinates of a rectangle's lower right corner from its top points - * and its lower left corner. - * - * @param {object} A rectangle defined by two points (x1, y1) and (x2, y2). - * @param {object} A corner's coordinates (x, y). - * @return {object} Coordinates of the corner (x, y). - */ - lowerRightCoor: function(r, llc) { - return { - x: llc.x - r.x1 + r.x2, - y: llc.y - r.y1 + r.y2 - }; - }, - - /** - * Get the coordinates of all the corners of a rectangle from its top point. - * - * @param {object} A rectangle defined by two points (x1, y1) and (x2, y2). - * @return {array} An array of the four corners' coordinates (x, y). - */ - rectangleCorners: function(r) { - var llc = this.lowerLeftCoor(r), - lrc = this.lowerRightCoor(r, llc); - - return [ - {x: r.x1, y: r.y1}, - {x: r.x2, y: r.y2}, - {x: llc.x, y: llc.y}, - {x: lrc.x, y: lrc.y} - ]; - }, - - /** - * Split a square defined by its boundaries into four. - * - * @param {object} Boundaries of the square (x, y, width, height). - * @return {array} An array containing the four new squares, themselves - * defined by an array of their four corners (x, y). - */ - splitSquare: function(b) { - return [ - [ - {x: b.x, y: b.y}, - {x: b.x + b.width / 2, y: b.y}, - {x: b.x, y: b.y + b.height / 2}, - {x: b.x + b.width / 2, y: b.y + b.height / 2} - ], - [ - {x: b.x + b.width / 2, y: b.y}, - {x: b.x + b.width, y: b.y}, - {x: b.x + b.width / 2, y: b.y + b.height / 2}, - {x: b.x + b.width, y: b.y + b.height / 2} - ], - [ - {x: b.x, y: b.y + b.height / 2}, - {x: b.x + b.width / 2, y: b.y + b.height / 2}, - {x: b.x, y: b.y + b.height}, - {x: b.x + b.width / 2, y: b.y + b.height} - ], - [ - {x: b.x + b.width / 2, y: b.y + b.height / 2}, - {x: b.x + b.width, y: b.y + b.height / 2}, - {x: b.x + b.width / 2, y: b.y + b.height}, - {x: b.x + b.width, y: b.y + b.height} - ] - ]; - }, - - /** - * Compute the four axis between corners of rectangle A and corners of - * rectangle B. This is needed later to check an eventual collision. - * - * @param {array} An array of rectangle A's four corners (x, y). - * @param {array} An array of rectangle B's four corners (x, y). - * @return {array} An array of four axis defined by their coordinates (x,y). - */ - axis: function(c1, c2) { - return [ - {x: c1[1].x - c1[0].x, y: c1[1].y - c1[0].y}, - {x: c1[1].x - c1[3].x, y: c1[1].y - c1[3].y}, - {x: c2[0].x - c2[2].x, y: c2[0].y - c2[2].y}, - {x: c2[0].x - c2[1].x, y: c2[0].y - c2[1].y} - ]; - }, - - /** - * Project a rectangle's corner on an axis. - * - * @param {object} Coordinates of a corner (x, y). - * @param {object} Coordinates of an axis (x, y). - * @return {object} The projection defined by coordinates (x, y). - */ - projection: function(c, a) { - var l = ( - (c.x * a.x + c.y * a.y) / - (Math.pow(a.x, 2) + Math.pow(a.y, 2)) - ); - - return { - x: l * a.x, - y: l * a.y - }; - }, - - /** - * Check whether two rectangles collide on one particular axis. - * - * @param {object} An axis' coordinates (x, y). - * @param {array} Rectangle A's corners. - * @param {array} Rectangle B's corners. - * @return {boolean} True if the rectangles collide on the axis. - */ - axisCollision: function(a, c1, c2) { - var sc1 = [], - sc2 = []; - - for (var ci = 0; ci < 4; ci++) { - var p1 = this.projection(c1[ci], a), - p2 = this.projection(c2[ci], a); - - sc1.push(p1.x * a.x + p1.y * a.y); - sc2.push(p2.x * a.x + p2.y * a.y); - } - - var maxc1 = Math.max.apply(Math, sc1), - maxc2 = Math.max.apply(Math, sc2), - minc1 = Math.min.apply(Math, sc1), - minc2 = Math.min.apply(Math, sc2); - - return (minc2 <= maxc1 && maxc2 >= minc1); - }, - - /** - * Check whether two rectangles collide on each one of their four axis. If - * all axis collide, then the two rectangles do collide on the plane. - * - * @param {array} Rectangle A's corners. - * @param {array} Rectangle B's corners. - * @return {boolean} True if the rectangles collide. - */ - collision: function(c1, c2) { - var axis = this.axis(c1, c2), - col = true; - - for (var i = 0; i < 4; i++) - col = col && this.axisCollision(axis[i], c1, c2); - - return col; - } - }; - - - /** - * Quad Functions - * ------------ - * - * The Quadtree functions themselves. - * For each of those functions, we consider that in a splitted quad, the - * index of each node is the following: - * 0: top left - * 1: top right - * 2: bottom left - * 3: bottom right - * - * Moreover, the hereafter quad's philosophy is to consider that if an element - * collides with more than one nodes, this element belongs to each of the - * nodes it collides with where other would let it lie on a higher node. - */ - - /** - * Get the index of the node containing the point in the quad - * - * @param {object} point A point defined by coordinates (x, y). - * @param {object} quadBounds Boundaries of the quad (x, y, width, heigth). - * @return {integer} The index of the node containing the point. - */ - function _quadIndex(point, quadBounds) { - var xmp = quadBounds.x + quadBounds.width / 2, - ymp = quadBounds.y + quadBounds.height / 2, - top = (point.y < ymp), - left = (point.x < xmp); - - if (top) { - if (left) - return 0; - else - return 1; - } - else { - if (left) - return 2; - else - return 3; - } - } - - /** - * Get a list of indexes of nodes containing an axis-aligned rectangle - * - * @param {object} rectangle A rectangle defined by two points (x1, y1), - * (x2, y2) and height. - * @param {array} quadCorners An array of the quad nodes' corners. - * @return {array} An array of indexes containing one to - * four integers. - */ - function _quadIndexes(rectangle, quadCorners) { - var indexes = []; - - // Iterating through quads - for (var i = 0; i < 4; i++) - if ((rectangle.x2 >= quadCorners[i][0].x) && - (rectangle.x1 <= quadCorners[i][1].x) && - (rectangle.y1 + rectangle.height >= quadCorners[i][0].y) && - (rectangle.y1 <= quadCorners[i][2].y)) - indexes.push(i); - - return indexes; - } - - /** - * Get a list of indexes of nodes containing a non-axis-aligned rectangle - * - * @param {array} corners An array containing each corner of the - * rectangle defined by its coordinates (x, y). - * @param {array} quadCorners An array of the quad nodes' corners. - * @return {array} An array of indexes containing one to - * four integers. - */ - function _quadCollision(corners, quadCorners) { - var indexes = []; - - // Iterating through quads - for (var i = 0; i < 4; i++) - if (_geom.collision(corners, quadCorners[i])) - indexes.push(i); - - return indexes; - } - - /** - * Subdivide a quad by creating a node at a precise index. The function does - * not generate all four nodes not to potentially create unused nodes. - * - * @param {integer} index The index of the node to create. - * @param {object} quad The quad object to subdivide. - * @return {object} A new quad representing the node created. - */ - function _quadSubdivide(index, quad) { - var next = quad.level + 1, - subw = Math.round(quad.bounds.width / 2), - subh = Math.round(quad.bounds.height / 2), - qx = Math.round(quad.bounds.x), - qy = Math.round(quad.bounds.y), - x, - y; - - switch (index) { - case 0: - x = qx; - y = qy; - break; - case 1: - x = qx + subw; - y = qy; - break; - case 2: - x = qx; - y = qy + subh; - break; - case 3: - x = qx + subw; - y = qy + subh; - break; - } - - return _quadTree( - {x: x, y: y, width: subw, height: subh}, - next, - quad.maxElements, - quad.maxLevel - ); - } - - /** - * Recursively insert an element into the quadtree. Only points - * with size, i.e. axis-aligned squares, may be inserted with this - * method. - * - * @param {object} el The element to insert in the quadtree. - * @param {object} sizedPoint A sized point defined by two top points - * (x1, y1), (x2, y2) and height. - * @param {object} quad The quad in which to insert the element. - * @return {undefined} The function does not return anything. - */ - function _quadInsert(el, sizedPoint, quad) { - if (quad.level < quad.maxLevel) { - - // Searching appropriate quads - var indexes = _quadIndexes(sizedPoint, quad.corners); - - // Iterating - for (var i = 0, l = indexes.length; i < l; i++) { - - // Subdividing if necessary - if (quad.nodes[indexes[i]] === undefined) - quad.nodes[indexes[i]] = _quadSubdivide(indexes[i], quad); - - // Recursion - _quadInsert(el, sizedPoint, quad.nodes[indexes[i]]); - } - } - else { - - // Pushing the element in a leaf node - quad.elements.push(el); - } - } - - /** - * Recursively retrieve every elements held by the node containing the - * searched point. - * - * @param {object} point The searched point (x, y). - * @param {object} quad The searched quad. - * @return {array} An array of elements contained in the relevant - * node. - */ - function _quadRetrievePoint(point, quad) { - if (quad.level < quad.maxLevel) { - var index = _quadIndex(point, quad.bounds); - - // If node does not exist we return an empty list - if (quad.nodes[index] !== undefined) { - return _quadRetrievePoint(point, quad.nodes[index]); - } - else { - return []; - } - } - else { - return quad.elements; - } - } - - /** - * Recursively retrieve every elements contained within an rectangular area - * that may or may not be axis-aligned. - * - * @param {object|array} rectData The searched area defined either by - * an array of four corners (x, y) in - * the case of a non-axis-aligned - * rectangle or an object with two top - * points (x1, y1), (x2, y2) and height. - * @param {object} quad The searched quad. - * @param {function} collisionFunc The collision function used to search - * for node indexes. - * @param {array?} els The retrieved elements. - * @return {array} An array of elements contained in the - * area. - */ - function _quadRetrieveArea(rectData, quad, collisionFunc, els) { - els = els || {}; - - if (quad.level < quad.maxLevel) { - var indexes = collisionFunc(rectData, quad.corners); - - for (var i = 0, l = indexes.length; i < l; i++) - if (quad.nodes[indexes[i]] !== undefined) - _quadRetrieveArea( - rectData, - quad.nodes[indexes[i]], - collisionFunc, - els - ); - } else - for (var j = 0, m = quad.elements.length; j < m; j++) - if (els[quad.elements[j].id] === undefined) - els[quad.elements[j].id] = quad.elements[j]; - - return els; - } - - /** - * Creates the quadtree object itself. - * - * @param {object} bounds The boundaries of the quad defined by an - * origin (x, y), width and heigth. - * @param {integer} level The level of the quad in the tree. - * @param {integer} maxElements The max number of element in a leaf node. - * @param {integer} maxLevel The max recursion level of the tree. - * @return {object} The quadtree object. - */ - function _quadTree(bounds, level, maxElements, maxLevel) { - return { - level: level || 0, - bounds: bounds, - corners: _geom.splitSquare(bounds), - maxElements: maxElements || 20, - maxLevel: maxLevel || 4, - elements: [], - nodes: [] - }; - } - - - /** - * Sigma Quad Constructor - * ---------------------- - * - * The quad API as exposed to sigma. - */ - - /** - * The quad core that will become the sigma interface with the quadtree. - * - * property {object} _tree Property holding the quadtree object. - * property {object} _geom Exposition of the _geom namespace for testing. - * property {object} _cache Cache for the area method. - */ - var quad = function() { - this._geom = _geom; - this._tree = null; - this._cache = { - query: false, - result: false - }; - }; - - /** - * Index a graph by inserting its nodes into the quadtree. - * - * @param {array} nodes An array of nodes to index. - * @param {object} params An object of parameters with at least the quad - * bounds. - * @return {object} The quadtree object. - * - * Parameters: - * ---------- - * bounds: {object} boundaries of the quad defined by its origin (x, y) - * width and heigth. - * prefix: {string?} a prefix for node geometric attributes. - * maxElements: {integer?} the max number of elements in a leaf node. - * maxLevel: {integer?} the max recursion level of the tree. - */ - quad.prototype.index = function(nodes, params) { - - // Enforcing presence of boundaries - if (!params.bounds) - throw 'sigma.classes.quad.index: bounds information not given.'; - - // Prefix - var prefix = params.prefix || ''; - - // Building the tree - this._tree = _quadTree( - params.bounds, - 0, - params.maxElements, - params.maxLevel - ); - - // Inserting graph nodes into the tree - for (var i = 0, l = nodes.length; i < l; i++) { - - // Inserting node - _quadInsert( - nodes[i], - _geom.pointToSquare({ - x: nodes[i][prefix + 'x'], - y: nodes[i][prefix + 'y'], - size: nodes[i][prefix + 'size'] - }), - this._tree - ); - } - - // Reset cache: - this._cache = { - query: false, - result: false - }; - - // remove? - return this._tree; - }; - - /** - * Retrieve every graph nodes held by the quadtree node containing the - * searched point. - * - * @param {number} x of the point. - * @param {number} y of the point. - * @return {array} An array of nodes retrieved. - */ - quad.prototype.point = function(x, y) { - return this._tree ? - _quadRetrievePoint({x: x, y: y}, this._tree) || [] : - []; - }; - - /** - * Retrieve every graph nodes within a rectangular area. The methods keep the - * last area queried in cache for optimization reason and will act differently - * for the same reason if the area is axis-aligned or not. - * - * @param {object} A rectangle defined by two top points (x1, y1), (x2, y2) - * and height. - * @return {array} An array of nodes retrieved. - */ - quad.prototype.area = function(rect) { - var serialized = JSON.stringify(rect), - collisionFunc, - rectData; - - // Returning cache? - if (this._cache.query === serialized) - return this._cache.result; - - // Axis aligned ? - if (_geom.isAxisAligned(rect)) { - collisionFunc = _quadIndexes; - rectData = _geom.axisAlignedTopPoints(rect); - } - else { - collisionFunc = _quadCollision; - rectData = _geom.rectangleCorners(rect); - } - - // Retrieving nodes - var nodes = this._tree ? - _quadRetrieveArea( - rectData, - this._tree, - collisionFunc - ) : - []; - - // Object to array - var nodesArray = []; - for (var i in nodes) - nodesArray.push(nodes[i]); - - // Caching - this._cache.query = serialized; - this._cache.result = nodesArray; - - return nodesArray; - }; - - - /** - * EXPORT: - * ******* - */ - if (typeof this.sigma !== 'undefined') { - this.sigma.classes = this.sigma.classes || {}; - this.sigma.classes.quad = quad; - } else if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) - exports = module.exports = quad; - exports.quad = quad; - } else - this.quad = quad; -}).call(this); - -;(function(undefined) { - 'use strict'; - - /** - * Sigma Quadtree Module for edges - * =============================== - * - * Author: Sébastien Heymann, - * from the quad of Guillaume Plique (Yomguithereal) - * Version: 0.2 - */ - - - - /** - * Quad Geometric Operations - * ------------------------- - * - * A useful batch of geometric operations used by the quadtree. - */ - - var _geom = { - - /** - * Transforms a graph node with x, y and size into an - * axis-aligned square. - * - * @param {object} A graph node with at least a point (x, y) and a size. - * @return {object} A square: two points (x1, y1), (x2, y2) and height. - */ - pointToSquare: function(n) { - return { - x1: n.x - n.size, - y1: n.y - n.size, - x2: n.x + n.size, - y2: n.y - n.size, - height: n.size * 2 - }; - }, - - /** - * Transforms a graph edge with x1, y1, x2, y2 and size into an - * axis-aligned square. - * - * @param {object} A graph edge with at least two points - * (x1, y1), (x2, y2) and a size. - * @return {object} A square: two points (x1, y1), (x2, y2) and height. - */ - lineToSquare: function(e) { - if (e.y1 < e.y2) { - // (e.x1, e.y1) on top - if (e.x1 < e.x2) { - // (e.x1, e.y1) on left - return { - x1: e.x1 - e.size, - y1: e.y1 - e.size, - x2: e.x2 + e.size, - y2: e.y1 - e.size, - height: e.y2 - e.y1 + e.size * 2 - }; - } - // (e.x1, e.y1) on right - return { - x1: e.x2 - e.size, - y1: e.y1 - e.size, - x2: e.x1 + e.size, - y2: e.y1 - e.size, - height: e.y2 - e.y1 + e.size * 2 - }; - } - - // (e.x2, e.y2) on top - if (e.x1 < e.x2) { - // (e.x1, e.y1) on left - return { - x1: e.x1 - e.size, - y1: e.y2 - e.size, - x2: e.x2 + e.size, - y2: e.y2 - e.size, - height: e.y1 - e.y2 + e.size * 2 - }; - } - // (e.x2, e.y2) on right - return { - x1: e.x2 - e.size, - y1: e.y2 - e.size, - x2: e.x1 + e.size, - y2: e.y2 - e.size, - height: e.y1 - e.y2 + e.size * 2 - }; - }, - - /** - * Transforms a graph edge of type 'curve' with x1, y1, x2, y2, - * control point and size into an axis-aligned square. - * - * @param {object} e A graph edge with at least two points - * (x1, y1), (x2, y2) and a size. - * @param {object} cp A control point (x,y). - * @return {object} A square: two points (x1, y1), (x2, y2) and height. - */ - quadraticCurveToSquare: function(e, cp) { - var pt = sigma.utils.getPointOnQuadraticCurve( - 0.5, - e.x1, - e.y1, - e.x2, - e.y2, - cp.x, - cp.y - ); - - // Bounding box of the two points and the point at the middle of the - // curve: - var minX = Math.min(e.x1, e.x2, pt.x), - maxX = Math.max(e.x1, e.x2, pt.x), - minY = Math.min(e.y1, e.y2, pt.y), - maxY = Math.max(e.y1, e.y2, pt.y); - - return { - x1: minX - e.size, - y1: minY - e.size, - x2: maxX + e.size, - y2: minY - e.size, - height: maxY - minY + e.size * 2 - }; - }, - - /** - * Transforms a graph self loop into an axis-aligned square. - * - * @param {object} n A graph node with a point (x, y) and a size. - * @return {object} A square: two points (x1, y1), (x2, y2) and height. - */ - selfLoopToSquare: function(n) { - // Fitting to the curve is too costly, we compute a larger bounding box - // using the control points: - var cp = sigma.utils.getSelfLoopControlPoints(n.x, n.y, n.size); - - // Bounding box of the point and the two control points: - var minX = Math.min(n.x, cp.x1, cp.x2), - maxX = Math.max(n.x, cp.x1, cp.x2), - minY = Math.min(n.y, cp.y1, cp.y2), - maxY = Math.max(n.y, cp.y1, cp.y2); - - return { - x1: minX - n.size, - y1: minY - n.size, - x2: maxX + n.size, - y2: minY - n.size, - height: maxY - minY + n.size * 2 - }; - }, - - /** - * Checks whether a rectangle is axis-aligned. - * - * @param {object} A rectangle defined by two points - * (x1, y1) and (x2, y2). - * @return {boolean} True if the rectangle is axis-aligned. - */ - isAxisAligned: function(r) { - return r.x1 === r.x2 || r.y1 === r.y2; - }, - - /** - * Compute top points of an axis-aligned rectangle. This is useful in - * cases when the rectangle has been rotated (left, right or bottom up) and - * later operations need to know the top points. - * - * @param {object} An axis-aligned rectangle defined by two points - * (x1, y1), (x2, y2) and height. - * @return {object} A rectangle: two points (x1, y1), (x2, y2) and height. - */ - axisAlignedTopPoints: function(r) { - - // Basic - if (r.y1 === r.y2 && r.x1 < r.x2) - return r; - - // Rotated to right - if (r.x1 === r.x2 && r.y2 > r.y1) - return { - x1: r.x1 - r.height, y1: r.y1, - x2: r.x1, y2: r.y1, - height: r.height - }; - - // Rotated to left - if (r.x1 === r.x2 && r.y2 < r.y1) - return { - x1: r.x1, y1: r.y2, - x2: r.x2 + r.height, y2: r.y2, - height: r.height - }; - - // Bottom's up - return { - x1: r.x2, y1: r.y1 - r.height, - x2: r.x1, y2: r.y1 - r.height, - height: r.height - }; - }, - - /** - * Get coordinates of a rectangle's lower left corner from its top points. - * - * @param {object} A rectangle defined by two points (x1, y1) and (x2, y2). - * @return {object} Coordinates of the corner (x, y). - */ - lowerLeftCoor: function(r) { - var width = ( - Math.sqrt( - Math.pow(r.x2 - r.x1, 2) + - Math.pow(r.y2 - r.y1, 2) - ) - ); - - return { - x: r.x1 - (r.y2 - r.y1) * r.height / width, - y: r.y1 + (r.x2 - r.x1) * r.height / width - }; - }, - - /** - * Get coordinates of a rectangle's lower right corner from its top points - * and its lower left corner. - * - * @param {object} A rectangle defined by two points (x1, y1) and (x2, y2). - * @param {object} A corner's coordinates (x, y). - * @return {object} Coordinates of the corner (x, y). - */ - lowerRightCoor: function(r, llc) { - return { - x: llc.x - r.x1 + r.x2, - y: llc.y - r.y1 + r.y2 - }; - }, - - /** - * Get the coordinates of all the corners of a rectangle from its top point. - * - * @param {object} A rectangle defined by two points (x1, y1) and (x2, y2). - * @return {array} An array of the four corners' coordinates (x, y). - */ - rectangleCorners: function(r) { - var llc = this.lowerLeftCoor(r), - lrc = this.lowerRightCoor(r, llc); - - return [ - {x: r.x1, y: r.y1}, - {x: r.x2, y: r.y2}, - {x: llc.x, y: llc.y}, - {x: lrc.x, y: lrc.y} - ]; - }, - - /** - * Split a square defined by its boundaries into four. - * - * @param {object} Boundaries of the square (x, y, width, height). - * @return {array} An array containing the four new squares, themselves - * defined by an array of their four corners (x, y). - */ - splitSquare: function(b) { - return [ - [ - {x: b.x, y: b.y}, - {x: b.x + b.width / 2, y: b.y}, - {x: b.x, y: b.y + b.height / 2}, - {x: b.x + b.width / 2, y: b.y + b.height / 2} - ], - [ - {x: b.x + b.width / 2, y: b.y}, - {x: b.x + b.width, y: b.y}, - {x: b.x + b.width / 2, y: b.y + b.height / 2}, - {x: b.x + b.width, y: b.y + b.height / 2} - ], - [ - {x: b.x, y: b.y + b.height / 2}, - {x: b.x + b.width / 2, y: b.y + b.height / 2}, - {x: b.x, y: b.y + b.height}, - {x: b.x + b.width / 2, y: b.y + b.height} - ], - [ - {x: b.x + b.width / 2, y: b.y + b.height / 2}, - {x: b.x + b.width, y: b.y + b.height / 2}, - {x: b.x + b.width / 2, y: b.y + b.height}, - {x: b.x + b.width, y: b.y + b.height} - ] - ]; - }, - - /** - * Compute the four axis between corners of rectangle A and corners of - * rectangle B. This is needed later to check an eventual collision. - * - * @param {array} An array of rectangle A's four corners (x, y). - * @param {array} An array of rectangle B's four corners (x, y). - * @return {array} An array of four axis defined by their coordinates (x,y). - */ - axis: function(c1, c2) { - return [ - {x: c1[1].x - c1[0].x, y: c1[1].y - c1[0].y}, - {x: c1[1].x - c1[3].x, y: c1[1].y - c1[3].y}, - {x: c2[0].x - c2[2].x, y: c2[0].y - c2[2].y}, - {x: c2[0].x - c2[1].x, y: c2[0].y - c2[1].y} - ]; - }, - - /** - * Project a rectangle's corner on an axis. - * - * @param {object} Coordinates of a corner (x, y). - * @param {object} Coordinates of an axis (x, y). - * @return {object} The projection defined by coordinates (x, y). - */ - projection: function(c, a) { - var l = ( - (c.x * a.x + c.y * a.y) / - (Math.pow(a.x, 2) + Math.pow(a.y, 2)) - ); - - return { - x: l * a.x, - y: l * a.y - }; - }, - - /** - * Check whether two rectangles collide on one particular axis. - * - * @param {object} An axis' coordinates (x, y). - * @param {array} Rectangle A's corners. - * @param {array} Rectangle B's corners. - * @return {boolean} True if the rectangles collide on the axis. - */ - axisCollision: function(a, c1, c2) { - var sc1 = [], - sc2 = []; - - for (var ci = 0; ci < 4; ci++) { - var p1 = this.projection(c1[ci], a), - p2 = this.projection(c2[ci], a); - - sc1.push(p1.x * a.x + p1.y * a.y); - sc2.push(p2.x * a.x + p2.y * a.y); - } - - var maxc1 = Math.max.apply(Math, sc1), - maxc2 = Math.max.apply(Math, sc2), - minc1 = Math.min.apply(Math, sc1), - minc2 = Math.min.apply(Math, sc2); - - return (minc2 <= maxc1 && maxc2 >= minc1); - }, - - /** - * Check whether two rectangles collide on each one of their four axis. If - * all axis collide, then the two rectangles do collide on the plane. - * - * @param {array} Rectangle A's corners. - * @param {array} Rectangle B's corners. - * @return {boolean} True if the rectangles collide. - */ - collision: function(c1, c2) { - var axis = this.axis(c1, c2), - col = true; - - for (var i = 0; i < 4; i++) - col = col && this.axisCollision(axis[i], c1, c2); - - return col; - } - }; - - - /** - * Quad Functions - * ------------ - * - * The Quadtree functions themselves. - * For each of those functions, we consider that in a splitted quad, the - * index of each node is the following: - * 0: top left - * 1: top right - * 2: bottom left - * 3: bottom right - * - * Moreover, the hereafter quad's philosophy is to consider that if an element - * collides with more than one nodes, this element belongs to each of the - * nodes it collides with where other would let it lie on a higher node. - */ - - /** - * Get the index of the node containing the point in the quad - * - * @param {object} point A point defined by coordinates (x, y). - * @param {object} quadBounds Boundaries of the quad (x, y, width, heigth). - * @return {integer} The index of the node containing the point. - */ - function _quadIndex(point, quadBounds) { - var xmp = quadBounds.x + quadBounds.width / 2, - ymp = quadBounds.y + quadBounds.height / 2, - top = (point.y < ymp), - left = (point.x < xmp); - - if (top) { - if (left) - return 0; - else - return 1; - } - else { - if (left) - return 2; - else - return 3; - } - } - - /** - * Get a list of indexes of nodes containing an axis-aligned rectangle - * - * @param {object} rectangle A rectangle defined by two points (x1, y1), - * (x2, y2) and height. - * @param {array} quadCorners An array of the quad nodes' corners. - * @return {array} An array of indexes containing one to - * four integers. - */ - function _quadIndexes(rectangle, quadCorners) { - var indexes = []; - - // Iterating through quads - for (var i = 0; i < 4; i++) - if ((rectangle.x2 >= quadCorners[i][0].x) && - (rectangle.x1 <= quadCorners[i][1].x) && - (rectangle.y1 + rectangle.height >= quadCorners[i][0].y) && - (rectangle.y1 <= quadCorners[i][2].y)) - indexes.push(i); - - return indexes; - } - - /** - * Get a list of indexes of nodes containing a non-axis-aligned rectangle - * - * @param {array} corners An array containing each corner of the - * rectangle defined by its coordinates (x, y). - * @param {array} quadCorners An array of the quad nodes' corners. - * @return {array} An array of indexes containing one to - * four integers. - */ - function _quadCollision(corners, quadCorners) { - var indexes = []; - - // Iterating through quads - for (var i = 0; i < 4; i++) - if (_geom.collision(corners, quadCorners[i])) - indexes.push(i); - - return indexes; - } - - /** - * Subdivide a quad by creating a node at a precise index. The function does - * not generate all four nodes not to potentially create unused nodes. - * - * @param {integer} index The index of the node to create. - * @param {object} quad The quad object to subdivide. - * @return {object} A new quad representing the node created. - */ - function _quadSubdivide(index, quad) { - var next = quad.level + 1, - subw = Math.round(quad.bounds.width / 2), - subh = Math.round(quad.bounds.height / 2), - qx = Math.round(quad.bounds.x), - qy = Math.round(quad.bounds.y), - x, - y; - - switch (index) { - case 0: - x = qx; - y = qy; - break; - case 1: - x = qx + subw; - y = qy; - break; - case 2: - x = qx; - y = qy + subh; - break; - case 3: - x = qx + subw; - y = qy + subh; - break; - } - - return _quadTree( - {x: x, y: y, width: subw, height: subh}, - next, - quad.maxElements, - quad.maxLevel - ); - } - - /** - * Recursively insert an element into the quadtree. Only points - * with size, i.e. axis-aligned squares, may be inserted with this - * method. - * - * @param {object} el The element to insert in the quadtree. - * @param {object} sizedPoint A sized point defined by two top points - * (x1, y1), (x2, y2) and height. - * @param {object} quad The quad in which to insert the element. - * @return {undefined} The function does not return anything. - */ - function _quadInsert(el, sizedPoint, quad) { - if (quad.level < quad.maxLevel) { - - // Searching appropriate quads - var indexes = _quadIndexes(sizedPoint, quad.corners); - - // Iterating - for (var i = 0, l = indexes.length; i < l; i++) { - - // Subdividing if necessary - if (quad.nodes[indexes[i]] === undefined) - quad.nodes[indexes[i]] = _quadSubdivide(indexes[i], quad); - - // Recursion - _quadInsert(el, sizedPoint, quad.nodes[indexes[i]]); - } - } - else { - - // Pushing the element in a leaf node - quad.elements.push(el); - } - } - - /** - * Recursively retrieve every elements held by the node containing the - * searched point. - * - * @param {object} point The searched point (x, y). - * @param {object} quad The searched quad. - * @return {array} An array of elements contained in the relevant - * node. - */ - function _quadRetrievePoint(point, quad) { - if (quad.level < quad.maxLevel) { - var index = _quadIndex(point, quad.bounds); - - // If node does not exist we return an empty list - if (quad.nodes[index] !== undefined) { - return _quadRetrievePoint(point, quad.nodes[index]); - } - else { - return []; - } - } - else { - return quad.elements; - } - } - - /** - * Recursively retrieve every elements contained within an rectangular area - * that may or may not be axis-aligned. - * - * @param {object|array} rectData The searched area defined either by - * an array of four corners (x, y) in - * the case of a non-axis-aligned - * rectangle or an object with two top - * points (x1, y1), (x2, y2) and height. - * @param {object} quad The searched quad. - * @param {function} collisionFunc The collision function used to search - * for node indexes. - * @param {array?} els The retrieved elements. - * @return {array} An array of elements contained in the - * area. - */ - function _quadRetrieveArea(rectData, quad, collisionFunc, els) { - els = els || {}; - - if (quad.level < quad.maxLevel) { - var indexes = collisionFunc(rectData, quad.corners); - - for (var i = 0, l = indexes.length; i < l; i++) - if (quad.nodes[indexes[i]] !== undefined) - _quadRetrieveArea( - rectData, - quad.nodes[indexes[i]], - collisionFunc, - els - ); - } else - for (var j = 0, m = quad.elements.length; j < m; j++) - if (els[quad.elements[j].id] === undefined) - els[quad.elements[j].id] = quad.elements[j]; - - return els; - } - - /** - * Creates the quadtree object itself. - * - * @param {object} bounds The boundaries of the quad defined by an - * origin (x, y), width and heigth. - * @param {integer} level The level of the quad in the tree. - * @param {integer} maxElements The max number of element in a leaf node. - * @param {integer} maxLevel The max recursion level of the tree. - * @return {object} The quadtree object. - */ - function _quadTree(bounds, level, maxElements, maxLevel) { - return { - level: level || 0, - bounds: bounds, - corners: _geom.splitSquare(bounds), - maxElements: maxElements || 40, - maxLevel: maxLevel || 8, - elements: [], - nodes: [] - }; - } - - - /** - * Sigma Quad Constructor - * ---------------------- - * - * The edgequad API as exposed to sigma. - */ - - /** - * The edgequad core that will become the sigma interface with the quadtree. - * - * property {object} _tree Property holding the quadtree object. - * property {object} _geom Exposition of the _geom namespace for testing. - * property {object} _cache Cache for the area method. - * property {boolean} _enabled Can index and retreive elements. - */ - var edgequad = function() { - this._geom = _geom; - this._tree = null; - this._cache = { - query: false, - result: false - }; - this._enabled = true; - }; - - /** - * Index a graph by inserting its edges into the quadtree. - * - * @param {object} graph A graph instance. - * @param {object} params An object of parameters with at least the quad - * bounds. - * @return {object} The quadtree object. - * - * Parameters: - * ---------- - * bounds: {object} boundaries of the quad defined by its origin (x, y) - * width and heigth. - * prefix: {string?} a prefix for edge geometric attributes. - * maxElements: {integer?} the max number of elements in a leaf node. - * maxLevel: {integer?} the max recursion level of the tree. - */ - edgequad.prototype.index = function(graph, params) { - if (!this._enabled) - return this._tree; - - // Enforcing presence of boundaries - if (!params.bounds) - throw 'sigma.classes.edgequad.index: bounds information not given.'; - - // Prefix - var prefix = params.prefix || '', - cp, - source, - target, - n, - e; - - // Building the tree - this._tree = _quadTree( - params.bounds, - 0, - params.maxElements, - params.maxLevel - ); - - var edges = graph.edges(); - - // Inserting graph edges into the tree - for (var i = 0, l = edges.length; i < l; i++) { - source = graph.nodes(edges[i].source); - target = graph.nodes(edges[i].target); - e = { - x1: source[prefix + 'x'], - y1: source[prefix + 'y'], - x2: target[prefix + 'x'], - y2: target[prefix + 'y'], - size: edges[i][prefix + 'size'] || 0 - }; - - // Inserting edge - if (edges[i].type === 'curve' || edges[i].type === 'curvedArrow') { - if (source.id === target.id) { - n = { - x: source[prefix + 'x'], - y: source[prefix + 'y'], - size: source[prefix + 'size'] || 0 - }; - _quadInsert( - edges[i], - _geom.selfLoopToSquare(n), - this._tree); - } - else { - cp = sigma.utils.getQuadraticControlPoint(e.x1, e.y1, e.x2, e.y2); - _quadInsert( - edges[i], - _geom.quadraticCurveToSquare(e, cp), - this._tree); - } - } - else { - _quadInsert( - edges[i], - _geom.lineToSquare(e), - this._tree); - } - } - - // Reset cache: - this._cache = { - query: false, - result: false - }; - - // remove? - return this._tree; - }; - - /** - * Retrieve every graph edges held by the quadtree node containing the - * searched point. - * - * @param {number} x of the point. - * @param {number} y of the point. - * @return {array} An array of edges retrieved. - */ - edgequad.prototype.point = function(x, y) { - if (!this._enabled) - return []; - - return this._tree ? - _quadRetrievePoint({x: x, y: y}, this._tree) || [] : - []; - }; - - /** - * Retrieve every graph edges within a rectangular area. The methods keep the - * last area queried in cache for optimization reason and will act differently - * for the same reason if the area is axis-aligned or not. - * - * @param {object} A rectangle defined by two top points (x1, y1), (x2, y2) - * and height. - * @return {array} An array of edges retrieved. - */ - edgequad.prototype.area = function(rect) { - if (!this._enabled) - return []; - - var serialized = JSON.stringify(rect), - collisionFunc, - rectData; - - // Returning cache? - if (this._cache.query === serialized) - return this._cache.result; - - // Axis aligned ? - if (_geom.isAxisAligned(rect)) { - collisionFunc = _quadIndexes; - rectData = _geom.axisAlignedTopPoints(rect); - } - else { - collisionFunc = _quadCollision; - rectData = _geom.rectangleCorners(rect); - } - - // Retrieving edges - var edges = this._tree ? - _quadRetrieveArea( - rectData, - this._tree, - collisionFunc - ) : - []; - - // Object to array - var edgesArray = []; - for (var i in edges) - edgesArray.push(edges[i]); - - // Caching - this._cache.query = serialized; - this._cache.result = edgesArray; - - return edgesArray; - }; - - - /** - * EXPORT: - * ******* - */ - if (typeof this.sigma !== 'undefined') { - this.sigma.classes = this.sigma.classes || {}; - this.sigma.classes.edgequad = edgequad; - } else if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) - exports = module.exports = edgequad; - exports.edgequad = edgequad; - } else - this.edgequad = edgequad; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.captors'); - - /** - * The user inputs default captor. It deals with mouse events, keyboards - * events and touch events. - * - * @param {DOMElement} target The DOM element where the listeners will be - * bound. - * @param {camera} camera The camera related to the target. - * @param {configurable} settings The settings function. - * @return {sigma.captor} The fresh new captor instance. - */ - sigma.captors.mouse = function(target, camera, settings) { - var _self = this, - _target = target, - _camera = camera, - _settings = settings, - - // CAMERA MANAGEMENT: - // ****************** - // The camera position when the user starts dragging: - _startCameraX, - _startCameraY, - _startCameraAngle, - - // The latest stage position: - _lastCameraX, - _lastCameraY, - _lastCameraAngle, - _lastCameraRatio, - - // MOUSE MANAGEMENT: - // ***************** - // The mouse position when the user starts dragging: - _startMouseX, - _startMouseY, - - _isMouseDown, - _isMoving, - _hasDragged, - _downStartTime, - _movingTimeoutId; - - sigma.classes.dispatcher.extend(this); - - sigma.utils.doubleClick(_target, 'click', _doubleClickHandler); - _target.addEventListener('DOMMouseScroll', _wheelHandler, false); - _target.addEventListener('mousewheel', _wheelHandler, false); - _target.addEventListener('mousemove', _moveHandler, false); - _target.addEventListener('mousedown', _downHandler, false); - _target.addEventListener('click', _clickHandler, false); - _target.addEventListener('mouseout', _outHandler, false); - document.addEventListener('mouseup', _upHandler, false); - - - - - /** - * This method unbinds every handlers that makes the captor work. - */ - this.kill = function() { - sigma.utils.unbindDoubleClick(_target, 'click'); - _target.removeEventListener('DOMMouseScroll', _wheelHandler); - _target.removeEventListener('mousewheel', _wheelHandler); - _target.removeEventListener('mousemove', _moveHandler); - _target.removeEventListener('mousedown', _downHandler); - _target.removeEventListener('click', _clickHandler); - _target.removeEventListener('mouseout', _outHandler); - document.removeEventListener('mouseup', _upHandler); - }; - - - - - // MOUSE EVENTS: - // ************* - - /** - * The handler listening to the 'move' mouse event. It will effectively - * drag the graph. - * - * @param {event} e A mouse event. - */ - function _moveHandler(e) { - var x, - y, - pos; - - // Dispatch event: - if (_settings('mouseEnabled')) { - _self.dispatchEvent('mousemove', - sigma.utils.mouseCoords(e)); - - if (_isMouseDown) { - _isMoving = true; - _hasDragged = true; - - if (_movingTimeoutId) - clearTimeout(_movingTimeoutId); - - _movingTimeoutId = setTimeout(function() { - _isMoving = false; - }, _settings('dragTimeout')); - - sigma.misc.animation.killAll(_camera); - - _camera.isMoving = true; - pos = _camera.cameraPosition( - sigma.utils.getX(e) - _startMouseX, - sigma.utils.getY(e) - _startMouseY, - true - ); - - x = _startCameraX - pos.x; - y = _startCameraY - pos.y; - - if (x !== _camera.x || y !== _camera.y) { - _lastCameraX = _camera.x; - _lastCameraY = _camera.y; - - _camera.goTo({ - x: x, - y: y - }); - } - - if (e.preventDefault) - e.preventDefault(); - else - e.returnValue = false; - - e.stopPropagation(); - return false; - } - } - } - - /** - * The handler listening to the 'up' mouse event. It will stop dragging the - * graph. - * - * @param {event} e A mouse event. - */ - function _upHandler(e) { - if (_settings('mouseEnabled') && _isMouseDown) { - _isMouseDown = false; - if (_movingTimeoutId) - clearTimeout(_movingTimeoutId); - - _camera.isMoving = false; - - var x = sigma.utils.getX(e), - y = sigma.utils.getY(e); - - if (_isMoving) { - sigma.misc.animation.killAll(_camera); - sigma.misc.animation.camera( - _camera, - { - x: _camera.x + - _settings('mouseInertiaRatio') * (_camera.x - _lastCameraX), - y: _camera.y + - _settings('mouseInertiaRatio') * (_camera.y - _lastCameraY) - }, - { - easing: 'quadraticOut', - duration: _settings('mouseInertiaDuration') - } - ); - } else if ( - _startMouseX !== x || - _startMouseY !== y - ) - _camera.goTo({ - x: _camera.x, - y: _camera.y - }); - - _self.dispatchEvent('mouseup', - sigma.utils.mouseCoords(e)); - - // Update _isMoving flag: - _isMoving = false; - } - } - - /** - * The handler listening to the 'down' mouse event. It will start observing - * the mouse position for dragging the graph. - * - * @param {event} e A mouse event. - */ - function _downHandler(e) { - if (_settings('mouseEnabled')) { - _startCameraX = _camera.x; - _startCameraY = _camera.y; - - _lastCameraX = _camera.x; - _lastCameraY = _camera.y; - - _startMouseX = sigma.utils.getX(e); - _startMouseY = sigma.utils.getY(e); - - _hasDragged = false; - _downStartTime = (new Date()).getTime(); - - switch (e.which) { - case 2: - // Middle mouse button pressed - // Do nothing. - break; - case 3: - // Right mouse button pressed - _self.dispatchEvent('rightclick', - sigma.utils.mouseCoords(e, _startMouseX, _startMouseY)); - break; - // case 1: - default: - // Left mouse button pressed - _isMouseDown = true; - - _self.dispatchEvent('mousedown', - sigma.utils.mouseCoords(e, _startMouseX, _startMouseY)); - } - } - } - - /** - * The handler listening to the 'out' mouse event. It will just redispatch - * the event. - * - * @param {event} e A mouse event. - */ - function _outHandler(e) { - if (_settings('mouseEnabled')) - _self.dispatchEvent('mouseout'); - } - - /** - * The handler listening to the 'click' mouse event. It will redispatch the - * click event, but with normalized X and Y coordinates. - * - * @param {event} e A mouse event. - */ - function _clickHandler(e) { - if (_settings('mouseEnabled')) { - var event = sigma.utils.mouseCoords(e); - event.isDragging = - (((new Date()).getTime() - _downStartTime) > 100) && _hasDragged; - _self.dispatchEvent('click', event); - } - - if (e.preventDefault) - e.preventDefault(); - else - e.returnValue = false; - - e.stopPropagation(); - return false; - } - - /** - * The handler listening to the double click custom event. It will - * basically zoom into the graph. - * - * @param {event} e A mouse event. - */ - function _doubleClickHandler(e) { - var pos, - ratio, - animation; - - if (_settings('mouseEnabled')) { - ratio = 1 / _settings('doubleClickZoomingRatio'); - - _self.dispatchEvent('doubleclick', - sigma.utils.mouseCoords(e, _startMouseX, _startMouseY)); - - if (_settings('doubleClickEnabled')) { - pos = _camera.cameraPosition( - sigma.utils.getX(e) - sigma.utils.getCenter(e).x, - sigma.utils.getY(e) - sigma.utils.getCenter(e).y, - true - ); - - animation = { - duration: _settings('doubleClickZoomDuration') - }; - - sigma.utils.zoomTo(_camera, pos.x, pos.y, ratio, animation); - } - - if (e.preventDefault) - e.preventDefault(); - else - e.returnValue = false; - - e.stopPropagation(); - return false; - } - } - - /** - * The handler listening to the 'wheel' mouse event. It will basically zoom - * in or not into the graph. - * - * @param {event} e A mouse event. - */ - function _wheelHandler(e) { - var pos, - ratio, - animation; - - if (_settings('mouseEnabled') && _settings('mouseWheelEnabled')) { - ratio = sigma.utils.getDelta(e) > 0 ? - 1 / _settings('zoomingRatio') : - _settings('zoomingRatio'); - - pos = _camera.cameraPosition( - sigma.utils.getX(e) - sigma.utils.getCenter(e).x, - sigma.utils.getY(e) - sigma.utils.getCenter(e).y, - true - ); - - animation = { - duration: _settings('mouseZoomDuration') - }; - - sigma.utils.zoomTo(_camera, pos.x, pos.y, ratio, animation); - - if (e.preventDefault) - e.preventDefault(); - else - e.returnValue = false; - - e.stopPropagation(); - return false; - } - } - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.captors'); - - /** - * The user inputs default captor. It deals with mouse events, keyboards - * events and touch events. - * - * @param {DOMElement} target The DOM element where the listeners will be - * bound. - * @param {camera} camera The camera related to the target. - * @param {configurable} settings The settings function. - * @return {sigma.captor} The fresh new captor instance. - */ - sigma.captors.touch = function(target, camera, settings) { - var _self = this, - _target = target, - _camera = camera, - _settings = settings, - - // CAMERA MANAGEMENT: - // ****************** - // The camera position when the user starts dragging: - _startCameraX, - _startCameraY, - _startCameraAngle, - _startCameraRatio, - - // The latest stage position: - _lastCameraX, - _lastCameraY, - _lastCameraAngle, - _lastCameraRatio, - - // TOUCH MANAGEMENT: - // ***************** - // Touches that are down: - _downTouches = [], - - _startTouchX0, - _startTouchY0, - _startTouchX1, - _startTouchY1, - _startTouchAngle, - _startTouchDistance, - - _touchMode, - - _isMoving, - _doubleTap, - _movingTimeoutId; - - sigma.classes.dispatcher.extend(this); - - sigma.utils.doubleClick(_target, 'touchstart', _doubleTapHandler); - _target.addEventListener('touchstart', _handleStart, false); - _target.addEventListener('touchend', _handleLeave, false); - _target.addEventListener('touchcancel', _handleLeave, false); - _target.addEventListener('touchleave', _handleLeave, false); - _target.addEventListener('touchmove', _handleMove, false); - - function position(e) { - var offset = sigma.utils.getOffset(_target); - - return { - x: e.pageX - offset.left, - y: e.pageY - offset.top - }; - } - - /** - * This method unbinds every handlers that makes the captor work. - */ - this.kill = function() { - sigma.utils.unbindDoubleClick(_target, 'touchstart'); - _target.addEventListener('touchstart', _handleStart); - _target.addEventListener('touchend', _handleLeave); - _target.addEventListener('touchcancel', _handleLeave); - _target.addEventListener('touchleave', _handleLeave); - _target.addEventListener('touchmove', _handleMove); - }; - - // TOUCH EVENTS: - // ************* - /** - * The handler listening to the 'touchstart' event. It will set the touch - * mode ("_touchMode") and start observing the user touch moves. - * - * @param {event} e A touch event. - */ - function _handleStart(e) { - if (_settings('touchEnabled')) { - var x0, - x1, - y0, - y1, - pos0, - pos1; - - _downTouches = e.touches; - - switch (_downTouches.length) { - case 1: - _camera.isMoving = true; - _touchMode = 1; - - _startCameraX = _camera.x; - _startCameraY = _camera.y; - - _lastCameraX = _camera.x; - _lastCameraY = _camera.y; - - pos0 = position(_downTouches[0]); - _startTouchX0 = pos0.x; - _startTouchY0 = pos0.y; - - break; - case 2: - _camera.isMoving = true; - _touchMode = 2; - - pos0 = position(_downTouches[0]); - pos1 = position(_downTouches[1]); - x0 = pos0.x; - y0 = pos0.y; - x1 = pos1.x; - y1 = pos1.y; - - _lastCameraX = _camera.x; - _lastCameraY = _camera.y; - - _startCameraAngle = _camera.angle; - _startCameraRatio = _camera.ratio; - - _startCameraX = _camera.x; - _startCameraY = _camera.y; - - _startTouchX0 = x0; - _startTouchY0 = y0; - _startTouchX1 = x1; - _startTouchY1 = y1; - - _startTouchAngle = Math.atan2( - _startTouchY1 - _startTouchY0, - _startTouchX1 - _startTouchX0 - ); - _startTouchDistance = Math.sqrt( - (_startTouchY1 - _startTouchY0) * - (_startTouchY1 - _startTouchY0) + - (_startTouchX1 - _startTouchX0) * - (_startTouchX1 - _startTouchX0) - ); - - e.preventDefault(); - return false; - } - } - } - - /** - * The handler listening to the 'touchend', 'touchcancel' and 'touchleave' - * event. It will update the touch mode if there are still at least one - * finger, and stop dragging else. - * - * @param {event} e A touch event. - */ - function _handleLeave(e) { - if (_settings('touchEnabled')) { - _downTouches = e.touches; - var inertiaRatio = _settings('touchInertiaRatio'); - - if (_movingTimeoutId) { - _isMoving = false; - clearTimeout(_movingTimeoutId); - } - - switch (_touchMode) { - case 2: - if (e.touches.length === 1) { - _handleStart(e); - - e.preventDefault(); - break; - } - /* falls through */ - case 1: - _camera.isMoving = false; - _self.dispatchEvent('stopDrag'); - - if (_isMoving) { - _doubleTap = false; - sigma.misc.animation.camera( - _camera, - { - x: _camera.x + - inertiaRatio * (_camera.x - _lastCameraX), - y: _camera.y + - inertiaRatio * (_camera.y - _lastCameraY) - }, - { - easing: 'quadraticOut', - duration: _settings('touchInertiaDuration') - } - ); - } - - _isMoving = false; - _touchMode = 0; - break; - } - } - } - - /** - * The handler listening to the 'touchmove' event. It will effectively drag - * the graph, and eventually zooms and turn it if the user is using two - * fingers. - * - * @param {event} e A touch event. - */ - function _handleMove(e) { - if (!_doubleTap && _settings('touchEnabled')) { - var x0, - x1, - y0, - y1, - cos, - sin, - end, - pos0, - pos1, - diff, - start, - dAngle, - dRatio, - newStageX, - newStageY, - newStageRatio, - newStageAngle; - - _downTouches = e.touches; - _isMoving = true; - - if (_movingTimeoutId) - clearTimeout(_movingTimeoutId); - - _movingTimeoutId = setTimeout(function() { - _isMoving = false; - }, _settings('dragTimeout')); - - switch (_touchMode) { - case 1: - pos0 = position(_downTouches[0]); - x0 = pos0.x; - y0 = pos0.y; - - diff = _camera.cameraPosition( - x0 - _startTouchX0, - y0 - _startTouchY0, - true - ); - - newStageX = _startCameraX - diff.x; - newStageY = _startCameraY - diff.y; - - if (newStageX !== _camera.x || newStageY !== _camera.y) { - _lastCameraX = _camera.x; - _lastCameraY = _camera.y; - - _camera.goTo({ - x: newStageX, - y: newStageY - }); - - _self.dispatchEvent('mousemove', - sigma.utils.mouseCoords(e, pos0.x, pos0.y)); - - _self.dispatchEvent('drag'); - } - break; - case 2: - pos0 = position(_downTouches[0]); - pos1 = position(_downTouches[1]); - x0 = pos0.x; - y0 = pos0.y; - x1 = pos1.x; - y1 = pos1.y; - - start = _camera.cameraPosition( - (_startTouchX0 + _startTouchX1) / 2 - - sigma.utils.getCenter(e).x, - (_startTouchY0 + _startTouchY1) / 2 - - sigma.utils.getCenter(e).y, - true - ); - end = _camera.cameraPosition( - (x0 + x1) / 2 - sigma.utils.getCenter(e).x, - (y0 + y1) / 2 - sigma.utils.getCenter(e).y, - true - ); - - dAngle = Math.atan2(y1 - y0, x1 - x0) - _startTouchAngle; - dRatio = Math.sqrt( - (y1 - y0) * (y1 - y0) + (x1 - x0) * (x1 - x0) - ) / _startTouchDistance; - - // Translation: - x0 = start.x; - y0 = start.y; - - // Homothetic transformation: - newStageRatio = _startCameraRatio / dRatio; - x0 = x0 * dRatio; - y0 = y0 * dRatio; - - // Rotation: - newStageAngle = _startCameraAngle - dAngle; - cos = Math.cos(-dAngle); - sin = Math.sin(-dAngle); - x1 = x0 * cos + y0 * sin; - y1 = y0 * cos - x0 * sin; - x0 = x1; - y0 = y1; - - // Finalize: - newStageX = x0 - end.x + _startCameraX; - newStageY = y0 - end.y + _startCameraY; - - if ( - newStageRatio !== _camera.ratio || - newStageAngle !== _camera.angle || - newStageX !== _camera.x || - newStageY !== _camera.y - ) { - _lastCameraX = _camera.x; - _lastCameraY = _camera.y; - _lastCameraAngle = _camera.angle; - _lastCameraRatio = _camera.ratio; - - _camera.goTo({ - x: newStageX, - y: newStageY, - angle: newStageAngle, - ratio: newStageRatio - }); - - _self.dispatchEvent('drag'); - } - - break; - } - - e.preventDefault(); - return false; - } - } - - /** - * The handler listening to the double tap custom event. It will - * basically zoom into the graph. - * - * @param {event} e A touch event. - */ - function _doubleTapHandler(e) { - var pos, - ratio, - animation; - - if (e.touches && e.touches.length === 1 && _settings('touchEnabled')) { - _doubleTap = true; - - ratio = 1 / _settings('doubleClickZoomingRatio'); - - pos = position(e.touches[0]); - _self.dispatchEvent('doubleclick', - sigma.utils.mouseCoords(e, pos.x, pos.y)); - - if (_settings('doubleClickEnabled')) { - pos = _camera.cameraPosition( - pos.x - sigma.utils.getCenter(e).x, - pos.y - sigma.utils.getCenter(e).y, - true - ); - - animation = { - duration: _settings('doubleClickZoomDuration'), - onComplete: function() { - _doubleTap = false; - } - }; - - sigma.utils.zoomTo(_camera, pos.x, pos.y, ratio, animation); - } - - if (e.preventDefault) - e.preventDefault(); - else - e.returnValue = false; - - e.stopPropagation(); - return false; - } - } - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - if (typeof conrad === 'undefined') - throw 'conrad is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.renderers'); - - /** - * This function is the constructor of the canvas sigma's renderer. - * - * @param {sigma.classes.graph} graph The graph to render. - * @param {sigma.classes.camera} camera The camera. - * @param {configurable} settings The sigma instance settings - * function. - * @param {object} object The options object. - * @return {sigma.renderers.canvas} The renderer instance. - */ - sigma.renderers.canvas = function(graph, camera, settings, options) { - if (typeof options !== 'object') - throw 'sigma.renderers.canvas: Wrong arguments.'; - - if (!(options.container instanceof HTMLElement)) - throw 'Container not found.'; - - var k, - i, - l, - a, - fn, - self = this; - - sigma.classes.dispatcher.extend(this); - - // Initialize main attributes: - Object.defineProperty(this, 'conradId', { - value: sigma.utils.id() - }); - this.graph = graph; - this.camera = camera; - this.contexts = {}; - this.domElements = {}; - this.options = options; - this.container = this.options.container; - this.settings = ( - typeof options.settings === 'object' && - options.settings - ) ? - settings.embedObjects(options.settings) : - settings; - - // Node indexes: - this.nodesOnScreen = []; - this.edgesOnScreen = []; - - // Conrad related attributes: - this.jobs = {}; - - // Find the prefix: - this.options.prefix = 'renderer' + this.conradId + ':'; - - // Initialize the DOM elements: - if ( - !this.settings('batchEdgesDrawing') - ) { - this.initDOM('canvas', 'scene'); - this.contexts.edges = this.contexts.scene; - this.contexts.nodes = this.contexts.scene; - this.contexts.labels = this.contexts.scene; - } else { - this.initDOM('canvas', 'edges'); - this.initDOM('canvas', 'scene'); - this.contexts.nodes = this.contexts.scene; - this.contexts.labels = this.contexts.scene; - } - - this.initDOM('canvas', 'mouse'); - this.contexts.hover = this.contexts.mouse; - - // Initialize captors: - this.captors = []; - a = this.options.captors || [sigma.captors.mouse, sigma.captors.touch]; - for (i = 0, l = a.length; i < l; i++) { - fn = typeof a[i] === 'function' ? a[i] : sigma.captors[a[i]]; - this.captors.push( - new fn( - this.domElements.mouse, - this.camera, - this.settings - ) - ); - } - - // Deal with sigma events: - sigma.misc.bindEvents.call(this, this.options.prefix); - sigma.misc.drawHovers.call(this, this.options.prefix); - - this.resize(false); - }; - - - - - /** - * This method renders the graph on the canvases. - * - * @param {?object} options Eventually an object of options. - * @return {sigma.renderers.canvas} Returns the instance itself. - */ - sigma.renderers.canvas.prototype.render = function(options) { - options = options || {}; - - var a, - i, - k, - l, - o, - id, - end, - job, - start, - edges, - renderers, - rendererType, - batchSize, - tempGCO, - index = {}, - graph = this.graph, - nodes = this.graph.nodes, - prefix = this.options.prefix || '', - drawEdges = this.settings(options, 'drawEdges'), - drawNodes = this.settings(options, 'drawNodes'), - drawLabels = this.settings(options, 'drawLabels'), - drawEdgeLabels = this.settings(options, 'drawEdgeLabels'), - embedSettings = this.settings.embedObjects(options, { - prefix: this.options.prefix - }); - - // Call the resize function: - this.resize(false); - - // Check the 'hideEdgesOnMove' setting: - if (this.settings(options, 'hideEdgesOnMove')) - if (this.camera.isAnimated || this.camera.isMoving) - drawEdges = false; - - // Apply the camera's view: - this.camera.applyView( - undefined, - this.options.prefix, - { - width: this.width, - height: this.height - } - ); - - // Clear canvases: - this.clear(); - - // Kill running jobs: - for (k in this.jobs) - if (conrad.hasJob(k)) - conrad.killJob(k); - - // Find which nodes are on screen: - this.edgesOnScreen = []; - this.nodesOnScreen = this.camera.quadtree.area( - this.camera.getRectangle(this.width, this.height) - ); - - for (a = this.nodesOnScreen, i = 0, l = a.length; i < l; i++) - index[a[i].id] = a[i]; - - // Draw edges: - // - If settings('batchEdgesDrawing') is true, the edges are displayed per - // batches. If not, they are drawn in one frame. - if (drawEdges) { - // First, let's identify which edges to draw. To do this, we just keep - // every edges that have at least one extremity displayed according to - // the quadtree and the "hidden" attribute. We also do not keep hidden - // edges. - for (a = graph.edges(), i = 0, l = a.length; i < l; i++) { - o = a[i]; - if ( - (index[o.source] || index[o.target]) && - (!o.hidden && !nodes(o.source).hidden && !nodes(o.target).hidden) - ) - this.edgesOnScreen.push(o); - } - - // If the "batchEdgesDrawing" settings is true, edges are batched: - if (this.settings(options, 'batchEdgesDrawing')) { - id = 'edges_' + this.conradId; - batchSize = embedSettings('canvasEdgesBatchSize'); - - edges = this.edgesOnScreen; - l = edges.length; - - start = 0; - end = Math.min(edges.length, start + batchSize); - - job = function() { - tempGCO = this.contexts.edges.globalCompositeOperation; - this.contexts.edges.globalCompositeOperation = 'destination-over'; - - renderers = sigma.canvas.edges; - for (i = start; i < end; i++) { - o = edges[i]; - (renderers[ - o.type || this.settings(options, 'defaultEdgeType') - ] || renderers.def)( - o, - graph.nodes(o.source), - graph.nodes(o.target), - this.contexts.edges, - embedSettings - ); - } - - // Draw edge labels: - if (drawEdgeLabels) { - renderers = sigma.canvas.edges.labels; - for (i = start; i < end; i++) { - o = edges[i]; - if (!o.hidden) - (renderers[ - o.type || this.settings(options, 'defaultEdgeType') - ] || renderers.def)( - o, - graph.nodes(o.source), - graph.nodes(o.target), - this.contexts.labels, - embedSettings - ); - } - } - - // Restore original globalCompositeOperation: - this.contexts.edges.globalCompositeOperation = tempGCO; - - // Catch job's end: - if (end === edges.length) { - delete this.jobs[id]; - return false; - } - - start = end + 1; - end = Math.min(edges.length, start + batchSize); - return true; - }; - - this.jobs[id] = job; - conrad.addJob(id, job.bind(this)); - - // If not, they are drawn in one frame: - } else { - renderers = sigma.canvas.edges; - for (a = this.edgesOnScreen, i = 0, l = a.length; i < l; i++) { - o = a[i]; - (renderers[ - o.type || this.settings(options, 'defaultEdgeType') - ] || renderers.def)( - o, - graph.nodes(o.source), - graph.nodes(o.target), - this.contexts.edges, - embedSettings - ); - } - - // Draw edge labels: - // - No batching - if (drawEdgeLabels) { - renderers = sigma.canvas.edges.labels; - for (a = this.edgesOnScreen, i = 0, l = a.length; i < l; i++) - if (!a[i].hidden) - (renderers[ - a[i].type || this.settings(options, 'defaultEdgeType') - ] || renderers.def)( - a[i], - graph.nodes(a[i].source), - graph.nodes(a[i].target), - this.contexts.labels, - embedSettings - ); - } - } - } - - // Draw nodes: - // - No batching - if (drawNodes) { - renderers = sigma.canvas.nodes; - for (a = this.nodesOnScreen, i = 0, l = a.length; i < l; i++) - if (!a[i].hidden) - (renderers[ - a[i].type || this.settings(options, 'defaultNodeType') - ] || renderers.def)( - a[i], - this.contexts.nodes, - embedSettings - ); - } - - // Draw labels: - // - No batching - if (drawLabels) { - renderers = sigma.canvas.labels; - for (a = this.nodesOnScreen, i = 0, l = a.length; i < l; i++) - if (!a[i].hidden) - (renderers[ - a[i].type || this.settings(options, 'defaultNodeType') - ] || renderers.def)( - a[i], - this.contexts.labels, - embedSettings - ); - } - - this.dispatchEvent('render'); - - return this; - }; - - /** - * This method creates a DOM element of the specified type, switches its - * position to "absolute", references it to the domElements attribute, and - * finally appends it to the container. - * - * @param {string} tag The label tag. - * @param {string} id The id of the element (to store it in "domElements"). - */ - sigma.renderers.canvas.prototype.initDOM = function(tag, id) { - var dom = document.createElement(tag); - - dom.style.position = 'absolute'; - dom.setAttribute('class', 'sigma-' + id); - - this.domElements[id] = dom; - this.container.appendChild(dom); - - if (tag.toLowerCase() === 'canvas') - this.contexts[id] = dom.getContext('2d'); - }; - - /** - * This method resizes each DOM elements in the container and stores the new - * dimensions. Then, it renders the graph. - * - * @param {?number} width The new width of the container. - * @param {?number} height The new height of the container. - * @return {sigma.renderers.canvas} Returns the instance itself. - */ - sigma.renderers.canvas.prototype.resize = function(w, h) { - var k, - oldWidth = this.width, - oldHeight = this.height, - pixelRatio = sigma.utils.getPixelRatio(); - - if (w !== undefined && h !== undefined) { - this.width = w; - this.height = h; - } else { - this.width = this.container.offsetWidth; - this.height = this.container.offsetHeight; - - w = this.width; - h = this.height; - } - - if (oldWidth !== this.width || oldHeight !== this.height) { - for (k in this.domElements) { - this.domElements[k].style.width = w + 'px'; - this.domElements[k].style.height = h + 'px'; - - if (this.domElements[k].tagName.toLowerCase() === 'canvas') { - this.domElements[k].setAttribute('width', (w * pixelRatio) + 'px'); - this.domElements[k].setAttribute('height', (h * pixelRatio) + 'px'); - - if (pixelRatio !== 1) - this.contexts[k].scale(pixelRatio, pixelRatio); - } - } - } - - return this; - }; - - /** - * This method clears each canvas. - * - * @return {sigma.renderers.canvas} Returns the instance itself. - */ - sigma.renderers.canvas.prototype.clear = function() { - for (var k in this.contexts) { - this.contexts[k].clearRect(0, 0, this.width, this.height); - } - - return this; - }; - - /** - * This method kills contexts and other attributes. - */ - sigma.renderers.canvas.prototype.kill = function() { - var k, - captor; - - // Kill captors: - while ((captor = this.captors.pop())) - captor.kill(); - delete this.captors; - - // Kill contexts: - for (k in this.domElements) { - this.domElements[k].parentNode.removeChild(this.domElements[k]); - delete this.domElements[k]; - delete this.contexts[k]; - } - delete this.domElements; - delete this.contexts; - }; - - - - - /** - * The labels, nodes and edges renderers are stored in the three following - * objects. When an element is drawn, its type will be checked and if a - * renderer with the same name exists, it will be used. If not found, the - * default renderer will be used instead. - * - * They are stored in different files, in the "./canvas" folder. - */ - sigma.utils.pkg('sigma.canvas.nodes'); - sigma.utils.pkg('sigma.canvas.edges'); - sigma.utils.pkg('sigma.canvas.labels'); -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.renderers'); - - /** - * This function is the constructor of the canvas sigma's renderer. - * - * @param {sigma.classes.graph} graph The graph to render. - * @param {sigma.classes.camera} camera The camera. - * @param {configurable} settings The sigma instance settings - * function. - * @param {object} object The options object. - * @return {sigma.renderers.canvas} The renderer instance. - */ - sigma.renderers.webgl = function(graph, camera, settings, options) { - if (typeof options !== 'object') - throw 'sigma.renderers.webgl: Wrong arguments.'; - - if (!(options.container instanceof HTMLElement)) - throw 'Container not found.'; - - var k, - i, - l, - a, - fn, - _self = this; - - sigma.classes.dispatcher.extend(this); - - // Conrad related attributes: - this.jobs = {}; - - Object.defineProperty(this, 'conradId', { - value: sigma.utils.id() - }); - - // Initialize main attributes: - this.graph = graph; - this.camera = camera; - this.contexts = {}; - this.domElements = {}; - this.options = options; - this.container = this.options.container; - this.settings = ( - typeof options.settings === 'object' && - options.settings - ) ? - settings.embedObjects(options.settings) : - settings; - - // Find the prefix: - this.options.prefix = this.camera.readPrefix; - - // Initialize programs hash - Object.defineProperty(this, 'nodePrograms', { - value: {} - }); - Object.defineProperty(this, 'edgePrograms', { - value: {} - }); - Object.defineProperty(this, 'nodeFloatArrays', { - value: {} - }); - Object.defineProperty(this, 'edgeFloatArrays', { - value: {} - }); - Object.defineProperty(this, 'edgeIndicesArrays', { - value: {} - }); - - // Initialize the DOM elements: - if (this.settings(options, 'batchEdgesDrawing')) { - this.initDOM('canvas', 'edges', true); - this.initDOM('canvas', 'nodes', true); - } else { - this.initDOM('canvas', 'scene', true); - this.contexts.nodes = this.contexts.scene; - this.contexts.edges = this.contexts.scene; - } - - this.initDOM('canvas', 'labels'); - this.initDOM('canvas', 'mouse'); - this.contexts.hover = this.contexts.mouse; - - // Initialize captors: - this.captors = []; - a = this.options.captors || [sigma.captors.mouse, sigma.captors.touch]; - for (i = 0, l = a.length; i < l; i++) { - fn = typeof a[i] === 'function' ? a[i] : sigma.captors[a[i]]; - this.captors.push( - new fn( - this.domElements.mouse, - this.camera, - this.settings - ) - ); - } - - // Deal with sigma events: - sigma.misc.bindEvents.call(this, this.camera.prefix); - sigma.misc.drawHovers.call(this, this.camera.prefix); - - this.resize(); - }; - - - - - /** - * This method will generate the nodes and edges float arrays. This step is - * separated from the "render" method, because to keep WebGL efficient, since - * all the camera and middlewares are modelised as matrices and they do not - * require the float arrays to be regenerated. - * - * Basically, when the user moves the camera or applies some specific linear - * transformations, this process step will be skipped, and the "render" - * method will efficiently refresh the rendering. - * - * And when the user modifies the graph colors or positions (applying a new - * layout or filtering the colors, for instance), this "process" step will be - * required to regenerate the float arrays. - * - * @return {sigma.renderers.webgl} Returns the instance itself. - */ - sigma.renderers.webgl.prototype.process = function() { - var a, - i, - l, - k, - type, - renderer, - graph = this.graph, - options = sigma.utils.extend(options, this.options), - defaultEdgeType = this.settings(options, 'defaultEdgeType'), - defaultNodeType = this.settings(options, 'defaultNodeType'); - - // Empty float arrays: - for (k in this.nodeFloatArrays) - delete this.nodeFloatArrays[k]; - - for (k in this.edgeFloatArrays) - delete this.edgeFloatArrays[k]; - - for (k in this.edgeIndicesArrays) - delete this.edgeIndicesArrays[k]; - - // Sort edges and nodes per types: - for (a = graph.edges(), i = 0, l = a.length; i < l; i++) { - type = a[i].type || defaultEdgeType; - k = (type && sigma.webgl.edges[type]) ? type : 'def'; - - if (!this.edgeFloatArrays[k]) - this.edgeFloatArrays[k] = { - edges: [] - }; - - this.edgeFloatArrays[k].edges.push(a[i]); - } - - for (a = graph.nodes(), i = 0, l = a.length; i < l; i++) { - type = a[i].type || defaultNodeType; - k = (type && sigma.webgl.nodes[type]) ? type : 'def'; - - if (!this.nodeFloatArrays[k]) - this.nodeFloatArrays[k] = { - nodes: [] - }; - - this.nodeFloatArrays[k].nodes.push(a[i]); - } - - // Push edges: - for (k in this.edgeFloatArrays) { - renderer = sigma.webgl.edges[k]; - a = this.edgeFloatArrays[k].edges; - - // Creating the necessary arrays - this.edgeFloatArrays[k].array = new Float32Array( - a.length * renderer.POINTS * renderer.ATTRIBUTES - ); - - for (i = 0, l = a.length; i < l; i++) { - - // Just check that the edge and both its extremities are visible: - if ( - !a[i].hidden && - !graph.nodes(a[i].source).hidden && - !graph.nodes(a[i].target).hidden - ) - renderer.addEdge( - a[i], - graph.nodes(a[i].source), - graph.nodes(a[i].target), - this.edgeFloatArrays[k].array, - i * renderer.POINTS * renderer.ATTRIBUTES, - options.prefix, - this.settings - ); - } - - if (typeof renderer.computeIndices === 'function') - this.edgeIndicesArrays[k] = renderer.computeIndices( - this.edgeFloatArrays[k].array - ); - } - - // Push nodes: - for (k in this.nodeFloatArrays) { - renderer = sigma.webgl.nodes[k]; - a = this.nodeFloatArrays[k].nodes; - - // Creating the necessary arrays - this.nodeFloatArrays[k].array = new Float32Array( - a.length * renderer.POINTS * renderer.ATTRIBUTES - ); - - for (i = 0, l = a.length; i < l; i++) { - if (!this.nodeFloatArrays[k].array) - this.nodeFloatArrays[k].array = new Float32Array( - a.length * renderer.POINTS * renderer.ATTRIBUTES - ); - - // Just check that the edge and both its extremities are visible: - if ( - !a[i].hidden - ) - renderer.addNode( - a[i], - this.nodeFloatArrays[k].array, - i * renderer.POINTS * renderer.ATTRIBUTES, - options.prefix, - this.settings - ); - } - } - - return this; - }; - - - - - /** - * This method renders the graph. It basically calls each program (and - * generate them if they do not exist yet) to render nodes and edges, batched - * per renderer. - * - * As in the canvas renderer, it is possible to display edges, nodes and / or - * labels in batches, to make the whole thing way more scalable. - * - * @param {?object} params Eventually an object of options. - * @return {sigma.renderers.webgl} Returns the instance itself. - */ - sigma.renderers.webgl.prototype.render = function(params) { - var a, - i, - l, - k, - o, - program, - renderer, - self = this, - graph = this.graph, - nodesGl = this.contexts.nodes, - edgesGl = this.contexts.edges, - matrix = this.camera.getMatrix(), - options = sigma.utils.extend(params, this.options), - drawLabels = this.settings(options, 'drawLabels'), - drawEdges = this.settings(options, 'drawEdges'), - drawNodes = this.settings(options, 'drawNodes'); - - // Call the resize function: - this.resize(false); - - // Check the 'hideEdgesOnMove' setting: - if (this.settings(options, 'hideEdgesOnMove')) - if (this.camera.isAnimated || this.camera.isMoving) - drawEdges = false; - - // Clear canvases: - this.clear(); - - // Translate matrix to [width/2, height/2]: - matrix = sigma.utils.matrices.multiply( - matrix, - sigma.utils.matrices.translation(this.width / 2, this.height / 2) - ); - - // Kill running jobs: - for (k in this.jobs) - if (conrad.hasJob(k)) - conrad.killJob(k); - - if (drawEdges) { - if (this.settings(options, 'batchEdgesDrawing')) - (function() { - var a, - k, - i, - id, - job, - arr, - end, - start, - indices, - renderer, - batchSize, - currentProgram; - - id = 'edges_' + this.conradId; - batchSize = this.settings(options, 'webglEdgesBatchSize'); - a = Object.keys(this.edgeFloatArrays); - - if (!a.length) - return; - i = 0; - renderer = sigma.webgl.edges[a[i]]; - arr = this.edgeFloatArrays[a[i]].array; - indices = this.edgeIndicesArrays[a[i]]; - start = 0; - end = Math.min( - start + batchSize * renderer.POINTS, - arr.length / renderer.ATTRIBUTES - ); - - job = function() { - // Check program: - if (!this.edgePrograms[a[i]]) - this.edgePrograms[a[i]] = renderer.initProgram(edgesGl); - - if (start < end) { - edgesGl.useProgram(this.edgePrograms[a[i]]); - renderer.render( - edgesGl, - this.edgePrograms[a[i]], - arr, - { - settings: this.settings, - matrix: matrix, - width: this.width, - height: this.height, - ratio: this.camera.ratio, - scalingRatio: this.settings( - options, - 'webglOversamplingRatio' - ), - start: start, - count: end - start, - indicesData: indices - } - ); - } - - // Catch job's end: - if ( - end >= arr.length / renderer.ATTRIBUTES && - i === a.length - 1 - ) { - delete this.jobs[id]; - return false; - } - - if (end >= arr.length / renderer.ATTRIBUTES) { - i++; - arr = this.edgeFloatArrays[a[i]].array; - renderer = sigma.webgl.edges[a[i]]; - start = 0; - end = Math.min( - start + batchSize * renderer.POINTS, - arr.length / renderer.ATTRIBUTES - ); - } else { - start = end; - end = Math.min( - start + batchSize * renderer.POINTS, - arr.length / renderer.ATTRIBUTES - ); - } - - return true; - }; - - this.jobs[id] = job; - conrad.addJob(id, job.bind(this)); - }).call(this); - else { - for (k in this.edgeFloatArrays) { - renderer = sigma.webgl.edges[k]; - - // Check program: - if (!this.edgePrograms[k]) - this.edgePrograms[k] = renderer.initProgram(edgesGl); - - // Render - if (this.edgeFloatArrays[k]) { - edgesGl.useProgram(this.edgePrograms[k]); - renderer.render( - edgesGl, - this.edgePrograms[k], - this.edgeFloatArrays[k].array, - { - settings: this.settings, - matrix: matrix, - width: this.width, - height: this.height, - ratio: this.camera.ratio, - scalingRatio: this.settings(options, 'webglOversamplingRatio'), - indicesData: this.edgeIndicesArrays[k] - } - ); - } - } - } - } - - if (drawNodes) { - // Enable blending: - nodesGl.blendFunc(nodesGl.SRC_ALPHA, nodesGl.ONE_MINUS_SRC_ALPHA); - nodesGl.enable(nodesGl.BLEND); - - for (k in this.nodeFloatArrays) { - renderer = sigma.webgl.nodes[k]; - - // Check program: - if (!this.nodePrograms[k]) - this.nodePrograms[k] = renderer.initProgram(nodesGl); - - // Render - if (this.nodeFloatArrays[k]) { - nodesGl.useProgram(this.nodePrograms[k]); - renderer.render( - nodesGl, - this.nodePrograms[k], - this.nodeFloatArrays[k].array, - { - settings: this.settings, - matrix: matrix, - width: this.width, - height: this.height, - ratio: this.camera.ratio, - scalingRatio: this.settings(options, 'webglOversamplingRatio') - } - ); - } - } - } - - if (drawLabels) { - a = this.camera.quadtree.area( - this.camera.getRectangle(this.width, this.height) - ); - - // Apply camera view to these nodes: - this.camera.applyView( - undefined, - undefined, - { - nodes: a, - edges: [], - width: this.width, - height: this.height - } - ); - - o = function(key) { - return self.settings({ - prefix: self.camera.prefix - }, key); - }; - - for (i = 0, l = a.length; i < l; i++) - if (!a[i].hidden) - ( - sigma.canvas.labels[ - a[i].type || - this.settings(options, 'defaultNodeType') - ] || sigma.canvas.labels.def - )(a[i], this.contexts.labels, o); - } - - this.dispatchEvent('render'); - - return this; - }; - - - - - /** - * This method creates a DOM element of the specified type, switches its - * position to "absolute", references it to the domElements attribute, and - * finally appends it to the container. - * - * @param {string} tag The label tag. - * @param {string} id The id of the element (to store it in - * "domElements"). - * @param {?boolean} webgl Will init the WebGL context if true. - */ - sigma.renderers.webgl.prototype.initDOM = function(tag, id, webgl) { - var gl, - dom = document.createElement(tag), - self = this; - - dom.style.position = 'absolute'; - dom.setAttribute('class', 'sigma-' + id); - - this.domElements[id] = dom; - this.container.appendChild(dom); - - if (tag.toLowerCase() === 'canvas') { - this.contexts[id] = dom.getContext(webgl ? 'experimental-webgl' : '2d', { - preserveDrawingBuffer: true - }); - - // Adding webgl context loss listeners - if (webgl) { - dom.addEventListener('webglcontextlost', function(e) { - e.preventDefault(); - }, false); - - dom.addEventListener('webglcontextrestored', function(e) { - self.render(); - }, false); - } - } - }; - - /** - * This method resizes each DOM elements in the container and stores the new - * dimensions. Then, it renders the graph. - * - * @param {?number} width The new width of the container. - * @param {?number} height The new height of the container. - * @return {sigma.renderers.webgl} Returns the instance itself. - */ - sigma.renderers.webgl.prototype.resize = function(w, h) { - var k, - oldWidth = this.width, - oldHeight = this.height, - pixelRatio = sigma.utils.getPixelRatio(); - - if (w !== undefined && h !== undefined) { - this.width = w; - this.height = h; - } else { - this.width = this.container.offsetWidth; - this.height = this.container.offsetHeight; - - w = this.width; - h = this.height; - } - - if (oldWidth !== this.width || oldHeight !== this.height) { - for (k in this.domElements) { - this.domElements[k].style.width = w + 'px'; - this.domElements[k].style.height = h + 'px'; - - if (this.domElements[k].tagName.toLowerCase() === 'canvas') { - // If simple 2D canvas: - if (this.contexts[k] && this.contexts[k].scale) { - this.domElements[k].setAttribute('width', (w * pixelRatio) + 'px'); - this.domElements[k].setAttribute('height', (h * pixelRatio) + 'px'); - - if (pixelRatio !== 1) - this.contexts[k].scale(pixelRatio, pixelRatio); - } else { - this.domElements[k].setAttribute( - 'width', - (w * this.settings('webglOversamplingRatio')) + 'px' - ); - this.domElements[k].setAttribute( - 'height', - (h * this.settings('webglOversamplingRatio')) + 'px' - ); - } - } - } - } - - // Scale: - for (k in this.contexts) - if (this.contexts[k] && this.contexts[k].viewport) - this.contexts[k].viewport( - 0, - 0, - this.width * this.settings('webglOversamplingRatio'), - this.height * this.settings('webglOversamplingRatio') - ); - - return this; - }; - - /** - * This method clears each canvas. - * - * @return {sigma.renderers.webgl} Returns the instance itself. - */ - sigma.renderers.webgl.prototype.clear = function() { - this.contexts.labels.clearRect(0, 0, this.width, this.height); - this.contexts.nodes.clear(this.contexts.nodes.COLOR_BUFFER_BIT); - this.contexts.edges.clear(this.contexts.edges.COLOR_BUFFER_BIT); - - return this; - }; - - /** - * This method kills contexts and other attributes. - */ - sigma.renderers.webgl.prototype.kill = function() { - var k, - captor; - - // Kill captors: - while ((captor = this.captors.pop())) - captor.kill(); - delete this.captors; - - // Kill contexts: - for (k in this.domElements) { - this.domElements[k].parentNode.removeChild(this.domElements[k]); - delete this.domElements[k]; - delete this.contexts[k]; - } - delete this.domElements; - delete this.contexts; - }; - - - - - /** - * The object "sigma.webgl.nodes" contains the different WebGL node - * renderers. The default one draw nodes as discs. Here are the attributes - * any node renderer must have: - * - * {number} POINTS The number of points required to draw a node. - * {number} ATTRIBUTES The number of attributes needed to draw one point. - * {function} addNode A function that adds a node to the data stack that - * will be given to the buffer. Here is the arguments: - * > {object} node - * > {number} index The node index in the - * nodes array. - * > {Float32Array} data The stack. - * > {object} options Some options. - * {function} render The function that will effectively render the nodes - * into the buffer. - * > {WebGLRenderingContext} gl - * > {WebGLProgram} program - * > {Float32Array} data The stack to give to the - * buffer. - * > {object} params An object containing some - * options, like width, - * height, the camera ratio. - * {function} initProgram The function that will initiate the program, with - * the relevant shaders and parameters. It must return - * the newly created program. - * - * Check sigma.webgl.nodes.def or sigma.webgl.nodes.fast to see how it - * works more precisely. - */ - sigma.utils.pkg('sigma.webgl.nodes'); - - - - - /** - * The object "sigma.webgl.edges" contains the different WebGL edge - * renderers. The default one draw edges as direct lines. Here are the - * attributes any edge renderer must have: - * - * {number} POINTS The number of points required to draw an edge. - * {number} ATTRIBUTES The number of attributes needed to draw one point. - * {function} addEdge A function that adds an edge to the data stack that - * will be given to the buffer. Here is the arguments: - * > {object} edge - * > {object} source - * > {object} target - * > {Float32Array} data The stack. - * > {object} options Some options. - * {function} render The function that will effectively render the edges - * into the buffer. - * > {WebGLRenderingContext} gl - * > {WebGLProgram} program - * > {Float32Array} data The stack to give to the - * buffer. - * > {object} params An object containing some - * options, like width, - * height, the camera ratio. - * {function} initProgram The function that will initiate the program, with - * the relevant shaders and parameters. It must return - * the newly created program. - * - * Check sigma.webgl.edges.def or sigma.webgl.edges.fast to see how it - * works more precisely. - */ - sigma.utils.pkg('sigma.webgl.edges'); - - - - - /** - * The object "sigma.canvas.labels" contains the different - * label renderers for the WebGL renderer. Since displaying texts in WebGL is - * definitely painful and since there a way less labels to display than nodes - * or edges, the default renderer simply renders them in a canvas. - * - * A labels renderer is a simple function, taking as arguments the related - * node, the renderer and a settings function. - */ - sigma.utils.pkg('sigma.canvas.labels'); -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - if (typeof conrad === 'undefined') - throw 'conrad is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.renderers'); - - /** - * This function is the constructor of the svg sigma's renderer. - * - * @param {sigma.classes.graph} graph The graph to render. - * @param {sigma.classes.camera} camera The camera. - * @param {configurable} settings The sigma instance settings - * function. - * @param {object} object The options object. - * @return {sigma.renderers.svg} The renderer instance. - */ - sigma.renderers.svg = function(graph, camera, settings, options) { - if (typeof options !== 'object') - throw 'sigma.renderers.svg: Wrong arguments.'; - - if (!(options.container instanceof HTMLElement)) - throw 'Container not found.'; - - var i, - l, - a, - fn, - self = this; - - sigma.classes.dispatcher.extend(this); - - // Initialize main attributes: - this.graph = graph; - this.camera = camera; - this.domElements = { - graph: null, - groups: {}, - nodes: {}, - edges: {}, - labels: {}, - hovers: {} - }; - this.measurementCanvas = null; - this.options = options; - this.container = this.options.container; - this.settings = ( - typeof options.settings === 'object' && - options.settings - ) ? - settings.embedObjects(options.settings) : - settings; - - // Is the renderer meant to be freestyle? - this.settings('freeStyle', !!this.options.freeStyle); - - // SVG xmlns - this.settings('xmlns', 'http://www.w3.org/2000/svg'); - - // Indexes: - this.nodesOnScreen = []; - this.edgesOnScreen = []; - - // Find the prefix: - this.options.prefix = 'renderer' + sigma.utils.id() + ':'; - - // Initialize the DOM elements - this.initDOM('svg'); - - // Initialize captors: - this.captors = []; - a = this.options.captors || [sigma.captors.mouse, sigma.captors.touch]; - for (i = 0, l = a.length; i < l; i++) { - fn = typeof a[i] === 'function' ? a[i] : sigma.captors[a[i]]; - this.captors.push( - new fn( - this.domElements.graph, - this.camera, - this.settings - ) - ); - } - - // Bind resize: - window.addEventListener('resize', function() { - self.resize(); - }); - - // Deal with sigma events: - // TODO: keep an option to override the DOM events? - sigma.misc.bindDOMEvents.call(this, this.domElements.graph); - this.bindHovers(this.options.prefix); - - // Resize - this.resize(false); - }; - - /** - * This method renders the graph on the svg scene. - * - * @param {?object} options Eventually an object of options. - * @return {sigma.renderers.svg} Returns the instance itself. - */ - sigma.renderers.svg.prototype.render = function(options) { - options = options || {}; - - var a, - i, - k, - e, - l, - o, - source, - target, - start, - edges, - renderers, - subrenderers, - index = {}, - graph = this.graph, - nodes = this.graph.nodes, - prefix = this.options.prefix || '', - drawEdges = this.settings(options, 'drawEdges'), - drawNodes = this.settings(options, 'drawNodes'), - drawLabels = this.settings(options, 'drawLabels'), - embedSettings = this.settings.embedObjects(options, { - prefix: this.options.prefix, - forceLabels: this.options.forceLabels - }); - - // Check the 'hideEdgesOnMove' setting: - if (this.settings(options, 'hideEdgesOnMove')) - if (this.camera.isAnimated || this.camera.isMoving) - drawEdges = false; - - // Apply the camera's view: - this.camera.applyView( - undefined, - this.options.prefix, - { - width: this.width, - height: this.height - } - ); - - // Hiding everything - // TODO: find a more sensible way to perform this operation - this.hideDOMElements(this.domElements.nodes); - this.hideDOMElements(this.domElements.edges); - this.hideDOMElements(this.domElements.labels); - - // Find which nodes are on screen - this.edgesOnScreen = []; - this.nodesOnScreen = this.camera.quadtree.area( - this.camera.getRectangle(this.width, this.height) - ); - - // Node index - for (a = this.nodesOnScreen, i = 0, l = a.length; i < l; i++) - index[a[i].id] = a[i]; - - // Find which edges are on screen - for (a = graph.edges(), i = 0, l = a.length; i < l; i++) { - o = a[i]; - if ( - (index[o.source] || index[o.target]) && - (!o.hidden && !nodes(o.source).hidden && !nodes(o.target).hidden) - ) - this.edgesOnScreen.push(o); - } - - // Display nodes - //--------------- - renderers = sigma.svg.nodes; - subrenderers = sigma.svg.labels; - - //-- First we create the nodes which are not already created - if (drawNodes) - for (a = this.nodesOnScreen, i = 0, l = a.length; i < l; i++) { - if (!a[i].hidden && !this.domElements.nodes[a[i].id]) { - - // Node - e = (renderers[a[i].type] || renderers.def).create( - a[i], - embedSettings - ); - - this.domElements.nodes[a[i].id] = e; - this.domElements.groups.nodes.appendChild(e); - - // Label - e = (subrenderers[a[i].type] || subrenderers.def).create( - a[i], - embedSettings - ); - - this.domElements.labels[a[i].id] = e; - this.domElements.groups.labels.appendChild(e); - } - } - - //-- Second we update the nodes - if (drawNodes) - for (a = this.nodesOnScreen, i = 0, l = a.length; i < l; i++) { - - if (a[i].hidden) - continue; - - // Node - (renderers[a[i].type] || renderers.def).update( - a[i], - this.domElements.nodes[a[i].id], - embedSettings - ); - - // Label - (subrenderers[a[i].type] || subrenderers.def).update( - a[i], - this.domElements.labels[a[i].id], - embedSettings - ); - } - - // Display edges - //--------------- - renderers = sigma.svg.edges; - - //-- First we create the edges which are not already created - if (drawEdges) - for (a = this.edgesOnScreen, i = 0, l = a.length; i < l; i++) { - if (!this.domElements.edges[a[i].id]) { - source = nodes(a[i].source); - target = nodes(a[i].target); - - e = (renderers[a[i].type] || renderers.def).create( - a[i], - source, - target, - embedSettings - ); - - this.domElements.edges[a[i].id] = e; - this.domElements.groups.edges.appendChild(e); - } - } - - //-- Second we update the edges - if (drawEdges) - for (a = this.edgesOnScreen, i = 0, l = a.length; i < l; i++) { - source = nodes(a[i].source); - target = nodes(a[i].target); - - (renderers[a[i].type] || renderers.def).update( - a[i], - this.domElements.edges[a[i].id], - source, - target, - embedSettings - ); - } - - this.dispatchEvent('render'); - - return this; - }; - - /** - * This method creates a DOM element of the specified type, switches its - * position to "absolute", references it to the domElements attribute, and - * finally appends it to the container. - * - * @param {string} tag The label tag. - * @param {string} id The id of the element (to store it in "domElements"). - */ - sigma.renderers.svg.prototype.initDOM = function(tag) { - var dom = document.createElementNS(this.settings('xmlns'), tag), - c = this.settings('classPrefix'), - g, - l, - i; - - dom.style.position = 'absolute'; - dom.setAttribute('class', c + '-svg'); - - // Setting SVG namespace - dom.setAttribute('xmlns', this.settings('xmlns')); - dom.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink'); - dom.setAttribute('version', '1.1'); - - // Creating the measurement canvas - var canvas = document.createElement('canvas'); - canvas.setAttribute('class', c + '-measurement-canvas'); - - // Appending elements - this.domElements.graph = this.container.appendChild(dom); - - // Creating groups - var groups = ['edges', 'nodes', 'labels', 'hovers']; - for (i = 0, l = groups.length; i < l; i++) { - g = document.createElementNS(this.settings('xmlns'), 'g'); - - g.setAttributeNS(null, 'id', c + '-group-' + groups[i]); - g.setAttributeNS(null, 'class', c + '-group'); - - this.domElements.groups[groups[i]] = - this.domElements.graph.appendChild(g); - } - - // Appending measurement canvas - this.container.appendChild(canvas); - this.measurementCanvas = canvas.getContext('2d'); - }; - - /** - * This method hides a batch of SVG DOM elements. - * - * @param {array} elements An array of elements to hide. - * @param {object} renderer The renderer to use. - * @return {sigma.renderers.svg} Returns the instance itself. - */ - sigma.renderers.svg.prototype.hideDOMElements = function(elements) { - var o, - i; - - for (i in elements) { - o = elements[i]; - sigma.svg.utils.hide(o); - } - - return this; - }; - - /** - * This method binds the hover events to the renderer. - * - * @param {string} prefix The renderer prefix. - */ - // TODO: add option about whether to display hovers or not - sigma.renderers.svg.prototype.bindHovers = function(prefix) { - var renderers = sigma.svg.hovers, - self = this, - hoveredNode; - - function overNode(e) { - var node = e.data.node, - embedSettings = self.settings.embedObjects({ - prefix: prefix - }); - - if (!embedSettings('enableHovering')) - return; - - var hover = (renderers[node.type] || renderers.def).create( - node, - self.domElements.nodes[node.id], - self.measurementCanvas, - embedSettings - ); - - self.domElements.hovers[node.id] = hover; - - // Inserting the hover in the dom - self.domElements.groups.hovers.appendChild(hover); - hoveredNode = node; - } - - function outNode(e) { - var node = e.data.node, - embedSettings = self.settings.embedObjects({ - prefix: prefix - }); - - if (!embedSettings('enableHovering')) - return; - - // Deleting element - self.domElements.groups.hovers.removeChild( - self.domElements.hovers[node.id] - ); - hoveredNode = null; - delete self.domElements.hovers[node.id]; - - // Reinstate - self.domElements.groups.nodes.appendChild( - self.domElements.nodes[node.id] - ); - } - - // OPTIMIZE: perform a real update rather than a deletion - function update() { - if (!hoveredNode) - return; - - var embedSettings = self.settings.embedObjects({ - prefix: prefix - }); - - // Deleting element before update - self.domElements.groups.hovers.removeChild( - self.domElements.hovers[hoveredNode.id] - ); - delete self.domElements.hovers[hoveredNode.id]; - - var hover = (renderers[hoveredNode.type] || renderers.def).create( - hoveredNode, - self.domElements.nodes[hoveredNode.id], - self.measurementCanvas, - embedSettings - ); - - self.domElements.hovers[hoveredNode.id] = hover; - - // Inserting the hover in the dom - self.domElements.groups.hovers.appendChild(hover); - } - - // Binding events - this.bind('overNode', overNode); - this.bind('outNode', outNode); - - // Update on render - this.bind('render', update); - }; - - /** - * This method resizes each DOM elements in the container and stores the new - * dimensions. Then, it renders the graph. - * - * @param {?number} width The new width of the container. - * @param {?number} height The new height of the container. - * @return {sigma.renderers.svg} Returns the instance itself. - */ - sigma.renderers.svg.prototype.resize = function(w, h) { - var oldWidth = this.width, - oldHeight = this.height, - pixelRatio = 1; - - if (w !== undefined && h !== undefined) { - this.width = w; - this.height = h; - } else { - this.width = this.container.offsetWidth; - this.height = this.container.offsetHeight; - - w = this.width; - h = this.height; - } - - if (oldWidth !== this.width || oldHeight !== this.height) { - this.domElements.graph.style.width = w + 'px'; - this.domElements.graph.style.height = h + 'px'; - - if (this.domElements.graph.tagName.toLowerCase() === 'svg') { - this.domElements.graph.setAttribute('width', (w * pixelRatio)); - this.domElements.graph.setAttribute('height', (h * pixelRatio)); - } - } - - return this; - }; - - - /** - * The labels, nodes and edges renderers are stored in the three following - * objects. When an element is drawn, its type will be checked and if a - * renderer with the same name exists, it will be used. If not found, the - * default renderer will be used instead. - * - * They are stored in different files, in the "./svg" folder. - */ - sigma.utils.pkg('sigma.svg.nodes'); - sigma.utils.pkg('sigma.svg.edges'); - sigma.utils.pkg('sigma.svg.labels'); -}).call(this); - -;(function(global) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.renderers'); - - // Check if WebGL is enabled: - var canvas, - webgl = !!global.WebGLRenderingContext; - if (webgl) { - canvas = document.createElement('canvas'); - try { - webgl = !!( - canvas.getContext('webgl') || - canvas.getContext('experimental-webgl') - ); - } catch (e) { - webgl = false; - } - } - - // Copy the good renderer: - sigma.renderers.def = webgl ? - sigma.renderers.webgl : - sigma.renderers.canvas; -})(this); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.webgl.nodes'); - - /** - * This node renderer will display nodes as discs, shaped in triangles with - * the gl.TRIANGLES display mode. So, to be more precise, to draw one node, - * it will store three times the center of node, with the color and the size, - * and an angle indicating which "corner" of the triangle to draw. - * - * The fragment shader does not deal with anti-aliasing, so make sure that - * you deal with it somewhere else in the code (by default, the WebGL - * renderer will oversample the rendering through the webglOversamplingRatio - * value). - */ - sigma.webgl.nodes.def = { - POINTS: 3, - ATTRIBUTES: 5, - addNode: function(node, data, i, prefix, settings) { - var color = sigma.utils.floatColor( - node.color || settings('defaultNodeColor') - ); - - data[i++] = node[prefix + 'x']; - data[i++] = node[prefix + 'y']; - data[i++] = node[prefix + 'size']; - data[i++] = color; - data[i++] = 0; - - data[i++] = node[prefix + 'x']; - data[i++] = node[prefix + 'y']; - data[i++] = node[prefix + 'size']; - data[i++] = color; - data[i++] = 2 * Math.PI / 3; - - data[i++] = node[prefix + 'x']; - data[i++] = node[prefix + 'y']; - data[i++] = node[prefix + 'size']; - data[i++] = color; - data[i++] = 4 * Math.PI / 3; - }, - render: function(gl, program, data, params) { - var buffer; - - // Define attributes: - var positionLocation = - gl.getAttribLocation(program, 'a_position'), - sizeLocation = - gl.getAttribLocation(program, 'a_size'), - colorLocation = - gl.getAttribLocation(program, 'a_color'), - angleLocation = - gl.getAttribLocation(program, 'a_angle'), - resolutionLocation = - gl.getUniformLocation(program, 'u_resolution'), - matrixLocation = - gl.getUniformLocation(program, 'u_matrix'), - ratioLocation = - gl.getUniformLocation(program, 'u_ratio'), - scaleLocation = - gl.getUniformLocation(program, 'u_scale'); - - buffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - gl.bufferData(gl.ARRAY_BUFFER, data, gl.DYNAMIC_DRAW); - - gl.uniform2f(resolutionLocation, params.width, params.height); - gl.uniform1f( - ratioLocation, - 1 / Math.pow(params.ratio, params.settings('nodesPowRatio')) - ); - gl.uniform1f(scaleLocation, params.scalingRatio); - gl.uniformMatrix3fv(matrixLocation, false, params.matrix); - - gl.enableVertexAttribArray(positionLocation); - gl.enableVertexAttribArray(sizeLocation); - gl.enableVertexAttribArray(colorLocation); - gl.enableVertexAttribArray(angleLocation); - - gl.vertexAttribPointer( - positionLocation, - 2, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 0 - ); - gl.vertexAttribPointer( - sizeLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 8 - ); - gl.vertexAttribPointer( - colorLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 12 - ); - gl.vertexAttribPointer( - angleLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 16 - ); - - gl.drawArrays( - gl.TRIANGLES, - params.start || 0, - params.count || (data.length / this.ATTRIBUTES) - ); - }, - initProgram: function(gl) { - var vertexShader, - fragmentShader, - program; - - vertexShader = sigma.utils.loadShader( - gl, - [ - 'attribute vec2 a_position;', - 'attribute float a_size;', - 'attribute float a_color;', - 'attribute float a_angle;', - - 'uniform vec2 u_resolution;', - 'uniform float u_ratio;', - 'uniform float u_scale;', - 'uniform mat3 u_matrix;', - - 'varying vec4 color;', - 'varying vec2 center;', - 'varying float radius;', - - 'void main() {', - // Multiply the point size twice: - 'radius = a_size * u_ratio;', - - // Scale from [[-1 1] [-1 1]] to the container: - 'vec2 position = (u_matrix * vec3(a_position, 1)).xy;', - // 'center = (position / u_resolution * 2.0 - 1.0) * vec2(1, -1);', - 'center = position * u_scale;', - 'center = vec2(center.x, u_scale * u_resolution.y - center.y);', - - 'position = position +', - '2.0 * radius * vec2(cos(a_angle), sin(a_angle));', - 'position = (position / u_resolution * 2.0 - 1.0) * vec2(1, -1);', - - 'radius = radius * u_scale;', - - 'gl_Position = vec4(position, 0, 1);', - - // Extract the color: - 'float c = a_color;', - 'color.b = mod(c, 256.0); c = floor(c / 256.0);', - 'color.g = mod(c, 256.0); c = floor(c / 256.0);', - 'color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;', - 'color.a = 1.0;', - '}' - ].join('\n'), - gl.VERTEX_SHADER - ); - - fragmentShader = sigma.utils.loadShader( - gl, - [ - 'precision mediump float;', - - 'varying vec4 color;', - 'varying vec2 center;', - 'varying float radius;', - - 'void main(void) {', - 'vec4 color0 = vec4(0.0, 0.0, 0.0, 0.0);', - - 'vec2 m = gl_FragCoord.xy - center;', - 'float diff = radius - sqrt(m.x * m.x + m.y * m.y);', - - // Here is how we draw a disc instead of a square: - 'if (diff > 0.0)', - 'gl_FragColor = color;', - 'else', - 'gl_FragColor = color0;', - '}' - ].join('\n'), - gl.FRAGMENT_SHADER - ); - - program = sigma.utils.loadProgram(gl, [vertexShader, fragmentShader]); - - return program; - } - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.webgl.nodes'); - - /** - * This node renderer will display nodes in the fastest way: Nodes are basic - * squares, drawn through the gl.POINTS drawing method. The size of the nodes - * are represented with the "gl_PointSize" value in the vertex shader. - * - * It is the fastest node renderer here since the buffer just takes one line - * to draw each node (with attributes "x", "y", "size" and "color"). - * - * Nevertheless, this method has some problems, especially due to some issues - * with the gl.POINTS: - * - First, if the center of a node is outside the scene, the point will not - * be drawn, even if it should be partly on screen. - * - I tried applying a fragment shader similar to the one in the default - * node renderer to display them as discs, but it did not work fine on - * some computers settings, filling the discs with weird gradients not - * depending on the actual color. - */ - sigma.webgl.nodes.fast = { - POINTS: 1, - ATTRIBUTES: 4, - addNode: function(node, data, i, prefix, settings) { - data[i++] = node[prefix + 'x']; - data[i++] = node[prefix + 'y']; - data[i++] = node[prefix + 'size']; - data[i++] = sigma.utils.floatColor( - node.color || settings('defaultNodeColor') - ); - }, - render: function(gl, program, data, params) { - var buffer; - - // Define attributes: - var positionLocation = - gl.getAttribLocation(program, 'a_position'), - sizeLocation = - gl.getAttribLocation(program, 'a_size'), - colorLocation = - gl.getAttribLocation(program, 'a_color'), - resolutionLocation = - gl.getUniformLocation(program, 'u_resolution'), - matrixLocation = - gl.getUniformLocation(program, 'u_matrix'), - ratioLocation = - gl.getUniformLocation(program, 'u_ratio'), - scaleLocation = - gl.getUniformLocation(program, 'u_scale'); - - buffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - gl.bufferData(gl.ARRAY_BUFFER, data, gl.DYNAMIC_DRAW); - - gl.uniform2f(resolutionLocation, params.width, params.height); - gl.uniform1f( - ratioLocation, - 1 / Math.pow(params.ratio, params.settings('nodesPowRatio')) - ); - gl.uniform1f(scaleLocation, params.scalingRatio); - gl.uniformMatrix3fv(matrixLocation, false, params.matrix); - - gl.enableVertexAttribArray(positionLocation); - gl.enableVertexAttribArray(sizeLocation); - gl.enableVertexAttribArray(colorLocation); - - gl.vertexAttribPointer( - positionLocation, - 2, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 0 - ); - gl.vertexAttribPointer( - sizeLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 8 - ); - gl.vertexAttribPointer( - colorLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 12 - ); - - gl.drawArrays( - gl.POINTS, - params.start || 0, - params.count || (data.length / this.ATTRIBUTES) - ); - }, - initProgram: function(gl) { - var vertexShader, - fragmentShader, - program; - - vertexShader = sigma.utils.loadShader( - gl, - [ - 'attribute vec2 a_position;', - 'attribute float a_size;', - 'attribute float a_color;', - - 'uniform vec2 u_resolution;', - 'uniform float u_ratio;', - 'uniform float u_scale;', - 'uniform mat3 u_matrix;', - - 'varying vec4 color;', - - 'void main() {', - // Scale from [[-1 1] [-1 1]] to the container: - 'gl_Position = vec4(', - '((u_matrix * vec3(a_position, 1)).xy /', - 'u_resolution * 2.0 - 1.0) * vec2(1, -1),', - '0,', - '1', - ');', - - // Multiply the point size twice: - // - x SCALING_RATIO to correct the canvas scaling - // - x 2 to correct the formulae - 'gl_PointSize = a_size * u_ratio * u_scale * 2.0;', - - // Extract the color: - 'float c = a_color;', - 'color.b = mod(c, 256.0); c = floor(c / 256.0);', - 'color.g = mod(c, 256.0); c = floor(c / 256.0);', - 'color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;', - 'color.a = 1.0;', - '}' - ].join('\n'), - gl.VERTEX_SHADER - ); - - fragmentShader = sigma.utils.loadShader( - gl, - [ - 'precision mediump float;', - - 'varying vec4 color;', - - 'void main(void) {', - 'float border = 0.01;', - 'float radius = 0.5;', - - 'vec4 color0 = vec4(0.0, 0.0, 0.0, 0.0);', - 'vec2 m = gl_PointCoord - vec2(0.5, 0.5);', - 'float dist = radius - sqrt(m.x * m.x + m.y * m.y);', - - 'float t = 0.0;', - 'if (dist > border)', - 't = 1.0;', - 'else if (dist > 0.0)', - 't = dist / border;', - - 'gl_FragColor = mix(color0, color, t);', - '}' - ].join('\n'), - gl.FRAGMENT_SHADER - ); - - program = sigma.utils.loadProgram(gl, [vertexShader, fragmentShader]); - - return program; - } - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.webgl.edges'); - - /** - * This edge renderer will display edges as lines going from the source node - * to the target node. To deal with edge thicknesses, the lines are made of - * two triangles forming rectangles, with the gl.TRIANGLES drawing mode. - * - * It is expensive, since drawing a single edge requires 6 points, each - * having 7 attributes (source position, target position, thickness, color - * and a flag indicating which vertice of the rectangle it is). - */ - sigma.webgl.edges.def = { - POINTS: 6, - ATTRIBUTES: 7, - addEdge: function(edge, source, target, data, i, prefix, settings) { - var w = (edge[prefix + 'size'] || 1) / 2, - x1 = source[prefix + 'x'], - y1 = source[prefix + 'y'], - x2 = target[prefix + 'x'], - y2 = target[prefix + 'y'], - color = edge.color; - - if (!color) - switch (settings('edgeColor')) { - case 'source': - color = source.color || settings('defaultNodeColor'); - break; - case 'target': - color = target.color || settings('defaultNodeColor'); - break; - default: - color = settings('defaultEdgeColor'); - break; - } - - // Normalize color: - color = sigma.utils.floatColor(color); - - data[i++] = x1; - data[i++] = y1; - data[i++] = x2; - data[i++] = y2; - data[i++] = w; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = 1.0; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x1; - data[i++] = y1; - data[i++] = x2; - data[i++] = y2; - data[i++] = w; - data[i++] = 1.0; - data[i++] = color; - - data[i++] = x1; - data[i++] = y1; - data[i++] = x2; - data[i++] = y2; - data[i++] = w; - data[i++] = 0.0; - data[i++] = color; - }, - render: function(gl, program, data, params) { - var buffer; - - // Define attributes: - var colorLocation = - gl.getAttribLocation(program, 'a_color'), - positionLocation1 = - gl.getAttribLocation(program, 'a_position1'), - positionLocation2 = - gl.getAttribLocation(program, 'a_position2'), - thicknessLocation = - gl.getAttribLocation(program, 'a_thickness'), - minusLocation = - gl.getAttribLocation(program, 'a_minus'), - resolutionLocation = - gl.getUniformLocation(program, 'u_resolution'), - matrixLocation = - gl.getUniformLocation(program, 'u_matrix'), - matrixHalfPiLocation = - gl.getUniformLocation(program, 'u_matrixHalfPi'), - matrixHalfPiMinusLocation = - gl.getUniformLocation(program, 'u_matrixHalfPiMinus'), - ratioLocation = - gl.getUniformLocation(program, 'u_ratio'), - scaleLocation = - gl.getUniformLocation(program, 'u_scale'); - - buffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - gl.bufferData(gl.ARRAY_BUFFER, data, gl.STATIC_DRAW); - - gl.uniform2f(resolutionLocation, params.width, params.height); - gl.uniform1f( - ratioLocation, - params.ratio / Math.pow(params.ratio, params.settings('edgesPowRatio')) - ); - gl.uniform1f(scaleLocation, params.scalingRatio); - gl.uniformMatrix3fv(matrixLocation, false, params.matrix); - gl.uniformMatrix2fv( - matrixHalfPiLocation, - false, - sigma.utils.matrices.rotation(Math.PI / 2, true) - ); - gl.uniformMatrix2fv( - matrixHalfPiMinusLocation, - false, - sigma.utils.matrices.rotation(-Math.PI / 2, true) - ); - - gl.enableVertexAttribArray(colorLocation); - gl.enableVertexAttribArray(positionLocation1); - gl.enableVertexAttribArray(positionLocation2); - gl.enableVertexAttribArray(thicknessLocation); - gl.enableVertexAttribArray(minusLocation); - - gl.vertexAttribPointer(positionLocation1, - 2, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 0 - ); - gl.vertexAttribPointer(positionLocation2, - 2, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 8 - ); - gl.vertexAttribPointer(thicknessLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 16 - ); - gl.vertexAttribPointer(minusLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 20 - ); - gl.vertexAttribPointer(colorLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 24 - ); - - gl.drawArrays( - gl.TRIANGLES, - params.start || 0, - params.count || (data.length / this.ATTRIBUTES) - ); - }, - initProgram: function(gl) { - var vertexShader, - fragmentShader, - program; - - vertexShader = sigma.utils.loadShader( - gl, - [ - 'attribute vec2 a_position1;', - 'attribute vec2 a_position2;', - 'attribute float a_thickness;', - 'attribute float a_minus;', - 'attribute float a_color;', - - 'uniform vec2 u_resolution;', - 'uniform float u_ratio;', - 'uniform float u_scale;', - 'uniform mat3 u_matrix;', - 'uniform mat2 u_matrixHalfPi;', - 'uniform mat2 u_matrixHalfPiMinus;', - - 'varying vec4 color;', - - 'void main() {', - // Find the good point: - 'vec2 position = a_thickness * u_ratio *', - 'normalize(a_position2 - a_position1);', - - 'mat2 matrix = a_minus * u_matrixHalfPiMinus +', - '(1.0 - a_minus) * u_matrixHalfPi;', - - 'position = matrix * position + a_position1;', - - // Scale from [[-1 1] [-1 1]] to the container: - 'gl_Position = vec4(', - '((u_matrix * vec3(position, 1)).xy /', - 'u_resolution * 2.0 - 1.0) * vec2(1, -1),', - '0,', - '1', - ');', - - // Extract the color: - 'float c = a_color;', - 'color.b = mod(c, 256.0); c = floor(c / 256.0);', - 'color.g = mod(c, 256.0); c = floor(c / 256.0);', - 'color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;', - 'color.a = 1.0;', - '}' - ].join('\n'), - gl.VERTEX_SHADER - ); - - fragmentShader = sigma.utils.loadShader( - gl, - [ - 'precision mediump float;', - - 'varying vec4 color;', - - 'void main(void) {', - 'gl_FragColor = color;', - '}' - ].join('\n'), - gl.FRAGMENT_SHADER - ); - - program = sigma.utils.loadProgram(gl, [vertexShader, fragmentShader]); - - return program; - } - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.webgl.edges'); - - /** - * This edge renderer will display edges as lines with the gl.LINES display - * mode. Since this mode does not support well thickness, edges are all drawn - * with the same thickness (3px), independantly of the edge attributes or the - * zooming ratio. - */ - sigma.webgl.edges.fast = { - POINTS: 2, - ATTRIBUTES: 3, - addEdge: function(edge, source, target, data, i, prefix, settings) { - var w = (edge[prefix + 'size'] || 1) / 2, - x1 = source[prefix + 'x'], - y1 = source[prefix + 'y'], - x2 = target[prefix + 'x'], - y2 = target[prefix + 'y'], - color = edge.color; - - if (!color) - switch (settings('edgeColor')) { - case 'source': - color = source.color || settings('defaultNodeColor'); - break; - case 'target': - color = target.color || settings('defaultNodeColor'); - break; - default: - color = settings('defaultEdgeColor'); - break; - } - - // Normalize color: - color = sigma.utils.floatColor(color); - - data[i++] = x1; - data[i++] = y1; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = color; - }, - render: function(gl, program, data, params) { - var buffer; - - // Define attributes: - var colorLocation = - gl.getAttribLocation(program, 'a_color'), - positionLocation = - gl.getAttribLocation(program, 'a_position'), - resolutionLocation = - gl.getUniformLocation(program, 'u_resolution'), - matrixLocation = - gl.getUniformLocation(program, 'u_matrix'); - - buffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - gl.bufferData(gl.ARRAY_BUFFER, data, gl.DYNAMIC_DRAW); - - gl.uniform2f(resolutionLocation, params.width, params.height); - gl.uniformMatrix3fv(matrixLocation, false, params.matrix); - - gl.enableVertexAttribArray(positionLocation); - gl.enableVertexAttribArray(colorLocation); - - gl.vertexAttribPointer(positionLocation, - 2, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 0 - ); - gl.vertexAttribPointer(colorLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 8 - ); - - gl.lineWidth(3); - gl.drawArrays( - gl.LINES, - params.start || 0, - params.count || (data.length / this.ATTRIBUTES) - ); - }, - initProgram: function(gl) { - var vertexShader, - fragmentShader, - program; - - vertexShader = sigma.utils.loadShader( - gl, - [ - 'attribute vec2 a_position;', - 'attribute float a_color;', - - 'uniform vec2 u_resolution;', - 'uniform mat3 u_matrix;', - - 'varying vec4 color;', - - 'void main() {', - // Scale from [[-1 1] [-1 1]] to the container: - 'gl_Position = vec4(', - '((u_matrix * vec3(a_position, 1)).xy /', - 'u_resolution * 2.0 - 1.0) * vec2(1, -1),', - '0,', - '1', - ');', - - // Extract the color: - 'float c = a_color;', - 'color.b = mod(c, 256.0); c = floor(c / 256.0);', - 'color.g = mod(c, 256.0); c = floor(c / 256.0);', - 'color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;', - 'color.a = 1.0;', - '}' - ].join('\n'), - gl.VERTEX_SHADER - ); - - fragmentShader = sigma.utils.loadShader( - gl, - [ - 'precision mediump float;', - - 'varying vec4 color;', - - 'void main(void) {', - 'gl_FragColor = color;', - '}' - ].join('\n'), - gl.FRAGMENT_SHADER - ); - - program = sigma.utils.loadProgram(gl, [vertexShader, fragmentShader]); - - return program; - } - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.webgl.edges'); - - /** - * This edge renderer will display edges as arrows going from the source node - * to the target node. To deal with edge thicknesses, the lines are made of - * three triangles: two forming rectangles, with the gl.TRIANGLES drawing - * mode. - * - * It is expensive, since drawing a single edge requires 9 points, each - * having a lot of attributes. - */ - sigma.webgl.edges.arrow = { - POINTS: 9, - ATTRIBUTES: 11, - addEdge: function(edge, source, target, data, i, prefix, settings) { - var w = (edge[prefix + 'size'] || 1) / 2, - x1 = source[prefix + 'x'], - y1 = source[prefix + 'y'], - x2 = target[prefix + 'x'], - y2 = target[prefix + 'y'], - targetSize = target[prefix + 'size'], - color = edge.color; - - if (!color) - switch (settings('edgeColor')) { - case 'source': - color = source.color || settings('defaultNodeColor'); - break; - case 'target': - color = target.color || settings('defaultNodeColor'); - break; - default: - color = settings('defaultEdgeColor'); - break; - } - - // Normalize color: - color = sigma.utils.floatColor(color); - - data[i++] = x1; - data[i++] = y1; - data[i++] = x2; - data[i++] = y2; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 1.0; - data[i++] = 1.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 1.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 1.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x1; - data[i++] = y1; - data[i++] = x2; - data[i++] = y2; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 0.0; - data[i++] = 1.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x1; - data[i++] = y1; - data[i++] = x2; - data[i++] = y2; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = 0.0; - data[i++] = color; - - // Arrow head: - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 1.0; - data[i++] = 0.0; - data[i++] = 1.0; - data[i++] = -1.0; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 1.0; - data[i++] = 0.0; - data[i++] = 1.0; - data[i++] = 0.0; - data[i++] = color; - - data[i++] = x2; - data[i++] = y2; - data[i++] = x1; - data[i++] = y1; - data[i++] = w; - data[i++] = targetSize; - data[i++] = 1.0; - data[i++] = 0.0; - data[i++] = 1.0; - data[i++] = 1.0; - data[i++] = color; - }, - render: function(gl, program, data, params) { - var buffer; - - // Define attributes: - var positionLocation1 = - gl.getAttribLocation(program, 'a_pos1'), - positionLocation2 = - gl.getAttribLocation(program, 'a_pos2'), - thicknessLocation = - gl.getAttribLocation(program, 'a_thickness'), - targetSizeLocation = - gl.getAttribLocation(program, 'a_tSize'), - delayLocation = - gl.getAttribLocation(program, 'a_delay'), - minusLocation = - gl.getAttribLocation(program, 'a_minus'), - headLocation = - gl.getAttribLocation(program, 'a_head'), - headPositionLocation = - gl.getAttribLocation(program, 'a_headPosition'), - colorLocation = - gl.getAttribLocation(program, 'a_color'), - resolutionLocation = - gl.getUniformLocation(program, 'u_resolution'), - matrixLocation = - gl.getUniformLocation(program, 'u_matrix'), - matrixHalfPiLocation = - gl.getUniformLocation(program, 'u_matrixHalfPi'), - matrixHalfPiMinusLocation = - gl.getUniformLocation(program, 'u_matrixHalfPiMinus'), - ratioLocation = - gl.getUniformLocation(program, 'u_ratio'), - nodeRatioLocation = - gl.getUniformLocation(program, 'u_nodeRatio'), - arrowHeadLocation = - gl.getUniformLocation(program, 'u_arrowHead'), - scaleLocation = - gl.getUniformLocation(program, 'u_scale'); - - buffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - gl.bufferData(gl.ARRAY_BUFFER, data, gl.STATIC_DRAW); - - gl.uniform2f(resolutionLocation, params.width, params.height); - gl.uniform1f( - ratioLocation, - params.ratio / Math.pow(params.ratio, params.settings('edgesPowRatio')) - ); - gl.uniform1f( - nodeRatioLocation, - Math.pow(params.ratio, params.settings('nodesPowRatio')) / - params.ratio - ); - gl.uniform1f(arrowHeadLocation, 5.0); - gl.uniform1f(scaleLocation, params.scalingRatio); - gl.uniformMatrix3fv(matrixLocation, false, params.matrix); - gl.uniformMatrix2fv( - matrixHalfPiLocation, - false, - sigma.utils.matrices.rotation(Math.PI / 2, true) - ); - gl.uniformMatrix2fv( - matrixHalfPiMinusLocation, - false, - sigma.utils.matrices.rotation(-Math.PI / 2, true) - ); - - gl.enableVertexAttribArray(positionLocation1); - gl.enableVertexAttribArray(positionLocation2); - gl.enableVertexAttribArray(thicknessLocation); - gl.enableVertexAttribArray(targetSizeLocation); - gl.enableVertexAttribArray(delayLocation); - gl.enableVertexAttribArray(minusLocation); - gl.enableVertexAttribArray(headLocation); - gl.enableVertexAttribArray(headPositionLocation); - gl.enableVertexAttribArray(colorLocation); - - gl.vertexAttribPointer(positionLocation1, - 2, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 0 - ); - gl.vertexAttribPointer(positionLocation2, - 2, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 8 - ); - gl.vertexAttribPointer(thicknessLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 16 - ); - gl.vertexAttribPointer(targetSizeLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 20 - ); - gl.vertexAttribPointer(delayLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 24 - ); - gl.vertexAttribPointer(minusLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 28 - ); - gl.vertexAttribPointer(headLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 32 - ); - gl.vertexAttribPointer(headPositionLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 36 - ); - gl.vertexAttribPointer(colorLocation, - 1, - gl.FLOAT, - false, - this.ATTRIBUTES * Float32Array.BYTES_PER_ELEMENT, - 40 - ); - - gl.drawArrays( - gl.TRIANGLES, - params.start || 0, - params.count || (data.length / this.ATTRIBUTES) - ); - }, - initProgram: function(gl) { - var vertexShader, - fragmentShader, - program; - - vertexShader = sigma.utils.loadShader( - gl, - [ - 'attribute vec2 a_pos1;', - 'attribute vec2 a_pos2;', - 'attribute float a_thickness;', - 'attribute float a_tSize;', - 'attribute float a_delay;', - 'attribute float a_minus;', - 'attribute float a_head;', - 'attribute float a_headPosition;', - 'attribute float a_color;', - - 'uniform vec2 u_resolution;', - 'uniform float u_ratio;', - 'uniform float u_nodeRatio;', - 'uniform float u_arrowHead;', - 'uniform float u_scale;', - 'uniform mat3 u_matrix;', - 'uniform mat2 u_matrixHalfPi;', - 'uniform mat2 u_matrixHalfPiMinus;', - - 'varying vec4 color;', - - 'void main() {', - // Find the good point: - 'vec2 pos = normalize(a_pos2 - a_pos1);', - - 'mat2 matrix = (1.0 - a_head) *', - '(', - 'a_minus * u_matrixHalfPiMinus +', - '(1.0 - a_minus) * u_matrixHalfPi', - ') + a_head * (', - 'a_headPosition * u_matrixHalfPiMinus * 0.6 +', - '(a_headPosition * a_headPosition - 1.0) * mat2(1.0)', - ');', - - 'pos = a_pos1 + (', - // Deal with body: - '(1.0 - a_head) * a_thickness * u_ratio * matrix * pos +', - // Deal with head: - 'a_head * u_arrowHead * a_thickness * u_ratio * matrix * pos +', - // Deal with delay: - 'a_delay * pos * (', - 'a_tSize / u_nodeRatio +', - 'u_arrowHead * a_thickness * u_ratio', - ')', - ');', - - // Scale from [[-1 1] [-1 1]] to the container: - 'gl_Position = vec4(', - '((u_matrix * vec3(pos, 1)).xy /', - 'u_resolution * 2.0 - 1.0) * vec2(1, -1),', - '0,', - '1', - ');', - - // Extract the color: - 'float c = a_color;', - 'color.b = mod(c, 256.0); c = floor(c / 256.0);', - 'color.g = mod(c, 256.0); c = floor(c / 256.0);', - 'color.r = mod(c, 256.0); c = floor(c / 256.0); color /= 255.0;', - 'color.a = 1.0;', - '}' - ].join('\n'), - gl.VERTEX_SHADER - ); - - fragmentShader = sigma.utils.loadShader( - gl, - [ - 'precision mediump float;', - - 'varying vec4 color;', - - 'void main(void) {', - 'gl_FragColor = color;', - '}' - ].join('\n'), - gl.FRAGMENT_SHADER - ); - - program = sigma.utils.loadProgram(gl, [vertexShader, fragmentShader]); - - return program; - } - }; -})(); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.canvas.labels'); - - /** - * This label renderer will just display the label on the right of the node. - * - * @param {object} node The node object. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.labels.def = function(node, context, settings) { - var fontSize, - prefix = settings('prefix') || '', - size = node[prefix + 'size']; - - if (size < settings('labelThreshold')) - return; - - if (!node.label || typeof node.label !== 'string') - return; - - fontSize = (settings('labelSize') === 'fixed') ? - settings('defaultLabelSize') : - settings('labelSizeRatio') * size; - - context.font = (settings('fontStyle') ? settings('fontStyle') + ' ' : '') + - fontSize + 'px ' + settings('font'); - context.fillStyle = (settings('labelColor') === 'node') ? - (node.color || settings('defaultNodeColor')) : - settings('defaultLabelColor'); - - context.fillText( - node.label, - Math.round(node[prefix + 'x'] + size + 3), - Math.round(node[prefix + 'y'] + fontSize / 3) - ); - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.canvas.hovers'); - - /** - * This hover renderer will basically display the label with a background. - * - * @param {object} node The node object. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.hovers.def = function(node, context, settings) { - var x, - y, - w, - h, - e, - fontStyle = settings('hoverFontStyle') || settings('fontStyle'), - prefix = settings('prefix') || '', - size = node[prefix + 'size'], - fontSize = (settings('labelSize') === 'fixed') ? - settings('defaultLabelSize') : - settings('labelSizeRatio') * size; - - // Label background: - context.font = (fontStyle ? fontStyle + ' ' : '') + - fontSize + 'px ' + (settings('hoverFont') || settings('font')); - - context.beginPath(); - context.fillStyle = settings('labelHoverBGColor') === 'node' ? - (node.color || settings('defaultNodeColor')) : - settings('defaultHoverLabelBGColor'); - - if (node.label && settings('labelHoverShadow')) { - context.shadowOffsetX = 0; - context.shadowOffsetY = 0; - context.shadowBlur = 8; - context.shadowColor = settings('labelHoverShadowColor'); - } - - if (node.label && typeof node.label === 'string') { - x = Math.round(node[prefix + 'x'] - fontSize / 2 - 2); - y = Math.round(node[prefix + 'y'] - fontSize / 2 - 2); - w = Math.round( - context.measureText(node.label).width + fontSize / 2 + size + 7 - ); - h = Math.round(fontSize + 4); - e = Math.round(fontSize / 2 + 2); - - context.moveTo(x, y + e); - context.arcTo(x, y, x + e, y, e); - context.lineTo(x + w, y); - context.lineTo(x + w, y + h); - context.lineTo(x + e, y + h); - context.arcTo(x, y + h, x, y + h - e, e); - context.lineTo(x, y + e); - - context.closePath(); - context.fill(); - - context.shadowOffsetX = 0; - context.shadowOffsetY = 0; - context.shadowBlur = 0; - } - - // Node border: - if (settings('borderSize') > 0) { - context.beginPath(); - context.fillStyle = settings('nodeBorderColor') === 'node' ? - (node.color || settings('defaultNodeColor')) : - settings('defaultNodeBorderColor'); - context.arc( - node[prefix + 'x'], - node[prefix + 'y'], - size + settings('borderSize'), - 0, - Math.PI * 2, - true - ); - context.closePath(); - context.fill(); - } - - // Node: - var nodeRenderer = sigma.canvas.nodes[node.type] || sigma.canvas.nodes.def; - nodeRenderer(node, context, settings); - - // Display the label: - if (node.label && typeof node.label === 'string') { - context.fillStyle = (settings('labelHoverColor') === 'node') ? - (node.color || settings('defaultNodeColor')) : - settings('defaultLabelHoverColor'); - - context.fillText( - node.label, - Math.round(node[prefix + 'x'] + size + 3), - Math.round(node[prefix + 'y'] + fontSize / 3) - ); - } - }; -}).call(this); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.nodes'); - - /** - * The default node renderer. It renders the node as a simple disc. - * - * @param {object} node The node object. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.nodes.def = function(node, context, settings) { - var prefix = settings('prefix') || ''; - - context.fillStyle = node.color || settings('defaultNodeColor'); - context.beginPath(); - context.arc( - node[prefix + 'x'], - node[prefix + 'y'], - node[prefix + 'size'], - 0, - Math.PI * 2, - true - ); - - context.closePath(); - context.fill(); - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.edges'); - - /** - * The default edge renderer. It renders the edge as a simple line. - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.edges.def = function(edge, source, target, context, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - size = edge[prefix + 'size'] || 1, - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'); - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - context.strokeStyle = color; - context.lineWidth = size; - context.beginPath(); - context.moveTo( - source[prefix + 'x'], - source[prefix + 'y'] - ); - context.lineTo( - target[prefix + 'x'], - target[prefix + 'y'] - ); - context.stroke(); - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.edges'); - - /** - * This edge renderer will display edges as curves. - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.edges.curve = function(edge, source, target, context, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - size = edge[prefix + 'size'] || 1, - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'), - cp = {}, - sSize = source[prefix + 'size'], - sX = source[prefix + 'x'], - sY = source[prefix + 'y'], - tX = target[prefix + 'x'], - tY = target[prefix + 'y']; - - cp = (source.id === target.id) ? - sigma.utils.getSelfLoopControlPoints(sX, sY, sSize) : - sigma.utils.getQuadraticControlPoint(sX, sY, tX, tY); - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - context.strokeStyle = color; - context.lineWidth = size; - context.beginPath(); - context.moveTo(sX, sY); - if (source.id === target.id) { - context.bezierCurveTo(cp.x1, cp.y1, cp.x2, cp.y2, tX, tY); - } else { - context.quadraticCurveTo(cp.x, cp.y, tX, tY); - } - context.stroke(); - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.edges'); - - /** - * This edge renderer will display edges as arrows going from the source node - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.edges.arrow = function(edge, source, target, context, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'), - size = edge[prefix + 'size'] || 1, - tSize = target[prefix + 'size'], - sX = source[prefix + 'x'], - sY = source[prefix + 'y'], - tX = target[prefix + 'x'], - tY = target[prefix + 'y'], - aSize = Math.max(size * 2.5, settings('minArrowSize')), - d = Math.sqrt(Math.pow(tX - sX, 2) + Math.pow(tY - sY, 2)), - aX = sX + (tX - sX) * (d - aSize - tSize) / d, - aY = sY + (tY - sY) * (d - aSize - tSize) / d, - vX = (tX - sX) * aSize / d, - vY = (tY - sY) * aSize / d; - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - context.strokeStyle = color; - context.lineWidth = size; - context.beginPath(); - context.moveTo(sX, sY); - context.lineTo( - aX, - aY - ); - context.stroke(); - - context.fillStyle = color; - context.beginPath(); - context.moveTo(aX + vX, aY + vY); - context.lineTo(aX + vY * 0.6, aY - vX * 0.6); - context.lineTo(aX - vY * 0.6, aY + vX * 0.6); - context.lineTo(aX + vX, aY + vY); - context.closePath(); - context.fill(); - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.edges'); - - /** - * This edge renderer will display edges as curves with arrow heading. - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.edges.curvedArrow = - function(edge, source, target, context, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'), - cp = {}, - size = edge[prefix + 'size'] || 1, - tSize = target[prefix + 'size'], - sX = source[prefix + 'x'], - sY = source[prefix + 'y'], - tX = target[prefix + 'x'], - tY = target[prefix + 'y'], - aSize = Math.max(size * 2.5, settings('minArrowSize')), - d, - aX, - aY, - vX, - vY; - - cp = (source.id === target.id) ? - sigma.utils.getSelfLoopControlPoints(sX, sY, tSize) : - sigma.utils.getQuadraticControlPoint(sX, sY, tX, tY); - - if (source.id === target.id) { - d = Math.sqrt(Math.pow(tX - cp.x1, 2) + Math.pow(tY - cp.y1, 2)); - aX = cp.x1 + (tX - cp.x1) * (d - aSize - tSize) / d; - aY = cp.y1 + (tY - cp.y1) * (d - aSize - tSize) / d; - vX = (tX - cp.x1) * aSize / d; - vY = (tY - cp.y1) * aSize / d; - } - else { - d = Math.sqrt(Math.pow(tX - cp.x, 2) + Math.pow(tY - cp.y, 2)); - aX = cp.x + (tX - cp.x) * (d - aSize - tSize) / d; - aY = cp.y + (tY - cp.y) * (d - aSize - tSize) / d; - vX = (tX - cp.x) * aSize / d; - vY = (tY - cp.y) * aSize / d; - } - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - context.strokeStyle = color; - context.lineWidth = size; - context.beginPath(); - context.moveTo(sX, sY); - if (source.id === target.id) { - context.bezierCurveTo(cp.x2, cp.y2, cp.x1, cp.y1, aX, aY); - } else { - context.quadraticCurveTo(cp.x, cp.y, aX, aY); - } - context.stroke(); - - context.fillStyle = color; - context.beginPath(); - context.moveTo(aX + vX, aY + vY); - context.lineTo(aX + vY * 0.6, aY - vX * 0.6); - context.lineTo(aX - vY * 0.6, aY + vX * 0.6); - context.lineTo(aX + vX, aY + vY); - context.closePath(); - context.fill(); - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.edgehovers'); - - /** - * This hover renderer will display the edge with a different color or size. - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.edgehovers.def = - function(edge, source, target, context, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - size = edge[prefix + 'size'] || 1, - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'); - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - if (settings('edgeHoverColor') === 'edge') { - color = edge.hover_color || color; - } else { - color = edge.hover_color || settings('defaultEdgeHoverColor') || color; - } - size *= settings('edgeHoverSizeRatio'); - - context.strokeStyle = color; - context.lineWidth = size; - context.beginPath(); - context.moveTo( - source[prefix + 'x'], - source[prefix + 'y'] - ); - context.lineTo( - target[prefix + 'x'], - target[prefix + 'y'] - ); - context.stroke(); - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.edgehovers'); - - /** - * This hover renderer will display the edge with a different color or size. - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.edgehovers.curve = - function(edge, source, target, context, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - size = settings('edgeHoverSizeRatio') * (edge[prefix + 'size'] || 1), - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'), - cp = {}, - sSize = source[prefix + 'size'], - sX = source[prefix + 'x'], - sY = source[prefix + 'y'], - tX = target[prefix + 'x'], - tY = target[prefix + 'y']; - - cp = (source.id === target.id) ? - sigma.utils.getSelfLoopControlPoints(sX, sY, sSize) : - sigma.utils.getQuadraticControlPoint(sX, sY, tX, tY); - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - if (settings('edgeHoverColor') === 'edge') { - color = edge.hover_color || color; - } else { - color = edge.hover_color || settings('defaultEdgeHoverColor') || color; - } - - context.strokeStyle = color; - context.lineWidth = size; - context.beginPath(); - context.moveTo(sX, sY); - if (source.id === target.id) { - context.bezierCurveTo(cp.x1, cp.y1, cp.x2, cp.y2, tX, tY); - } else { - context.quadraticCurveTo(cp.x, cp.y, tX, tY); - } - context.stroke(); - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.edgehovers'); - - /** - * This hover renderer will display the edge with a different color or size. - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.edgehovers.arrow = - function(edge, source, target, context, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'), - size = edge[prefix + 'size'] || 1, - tSize = target[prefix + 'size'], - sX = source[prefix + 'x'], - sY = source[prefix + 'y'], - tX = target[prefix + 'x'], - tY = target[prefix + 'y']; - - size = (edge.hover) ? - settings('edgeHoverSizeRatio') * size : size; - var aSize = size * 2.5, - d = Math.sqrt(Math.pow(tX - sX, 2) + Math.pow(tY - sY, 2)), - aX = sX + (tX - sX) * (d - aSize - tSize) / d, - aY = sY + (tY - sY) * (d - aSize - tSize) / d, - vX = (tX - sX) * aSize / d, - vY = (tY - sY) * aSize / d; - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - if (settings('edgeHoverColor') === 'edge') { - color = edge.hover_color || color; - } else { - color = edge.hover_color || settings('defaultEdgeHoverColor') || color; - } - - context.strokeStyle = color; - context.lineWidth = size; - context.beginPath(); - context.moveTo(sX, sY); - context.lineTo( - aX, - aY - ); - context.stroke(); - - context.fillStyle = color; - context.beginPath(); - context.moveTo(aX + vX, aY + vY); - context.lineTo(aX + vY * 0.6, aY - vX * 0.6); - context.lineTo(aX - vY * 0.6, aY + vX * 0.6); - context.lineTo(aX + vX, aY + vY); - context.closePath(); - context.fill(); - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.canvas.edgehovers'); - - /** - * This hover renderer will display the edge with a different color or size. - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.edgehovers.curvedArrow = - function(edge, source, target, context, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'), - cp = {}, - size = settings('edgeHoverSizeRatio') * (edge[prefix + 'size'] || 1), - tSize = target[prefix + 'size'], - sX = source[prefix + 'x'], - sY = source[prefix + 'y'], - tX = target[prefix + 'x'], - tY = target[prefix + 'y'], - d, - aSize, - aX, - aY, - vX, - vY; - - cp = (source.id === target.id) ? - sigma.utils.getSelfLoopControlPoints(sX, sY, tSize) : - sigma.utils.getQuadraticControlPoint(sX, sY, tX, tY); - - if (source.id === target.id) { - d = Math.sqrt(Math.pow(tX - cp.x1, 2) + Math.pow(tY - cp.y1, 2)); - aSize = size * 2.5; - aX = cp.x1 + (tX - cp.x1) * (d - aSize - tSize) / d; - aY = cp.y1 + (tY - cp.y1) * (d - aSize - tSize) / d; - vX = (tX - cp.x1) * aSize / d; - vY = (tY - cp.y1) * aSize / d; - } - else { - d = Math.sqrt(Math.pow(tX - cp.x, 2) + Math.pow(tY - cp.y, 2)); - aSize = size * 2.5; - aX = cp.x + (tX - cp.x) * (d - aSize - tSize) / d; - aY = cp.y + (tY - cp.y) * (d - aSize - tSize) / d; - vX = (tX - cp.x) * aSize / d; - vY = (tY - cp.y) * aSize / d; - } - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - if (settings('edgeHoverColor') === 'edge') { - color = edge.hover_color || color; - } else { - color = edge.hover_color || settings('defaultEdgeHoverColor') || color; - } - - context.strokeStyle = color; - context.lineWidth = size; - context.beginPath(); - context.moveTo(sX, sY); - if (source.id === target.id) { - context.bezierCurveTo(cp.x2, cp.y2, cp.x1, cp.y1, aX, aY); - } else { - context.quadraticCurveTo(cp.x, cp.y, aX, aY); - } - context.stroke(); - - context.fillStyle = color; - context.beginPath(); - context.moveTo(aX + vX, aY + vY); - context.lineTo(aX + vY * 0.6, aY - vX * 0.6); - context.lineTo(aX - vY * 0.6, aY + vX * 0.6); - context.lineTo(aX + vX, aY + vY); - context.closePath(); - context.fill(); - }; -})(); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.canvas.extremities'); - - /** - * The default renderer for hovered edge extremities. It renders the edge - * extremities as hovered. - * - * @param {object} edge The edge object. - * @param {object} source node The edge source node. - * @param {object} target node The edge target node. - * @param {CanvasRenderingContext2D} context The canvas context. - * @param {configurable} settings The settings function. - */ - sigma.canvas.extremities.def = - function(edge, source, target, context, settings) { - // Source Node: - ( - sigma.canvas.hovers[source.type] || - sigma.canvas.hovers.def - ) ( - source, context, settings - ); - - // Target Node: - ( - sigma.canvas.hovers[target.type] || - sigma.canvas.hovers.def - ) ( - target, context, settings - ); - }; -}).call(this); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.svg.utils'); - - /** - * Some useful functions used by sigma's SVG renderer. - */ - sigma.svg.utils = { - - /** - * SVG Element show. - * - * @param {DOMElement} element The DOM element to show. - */ - show: function(element) { - element.style.display = ''; - return this; - }, - - /** - * SVG Element hide. - * - * @param {DOMElement} element The DOM element to hide. - */ - hide: function(element) { - element.style.display = 'none'; - return this; - } - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.svg.nodes'); - - /** - * The default node renderer. It renders the node as a simple disc. - */ - sigma.svg.nodes.def = { - - /** - * SVG Element creation. - * - * @param {object} node The node object. - * @param {configurable} settings The settings function. - */ - create: function(node, settings) { - var prefix = settings('prefix') || '', - circle = document.createElementNS(settings('xmlns'), 'circle'); - - // Defining the node's circle - circle.setAttributeNS(null, 'data-node-id', node.id); - circle.setAttributeNS(null, 'class', settings('classPrefix') + '-node'); - circle.setAttributeNS( - null, 'fill', node.color || settings('defaultNodeColor')); - - // Returning the DOM Element - return circle; - }, - - /** - * SVG Element update. - * - * @param {object} node The node object. - * @param {DOMElement} circle The node DOM element. - * @param {configurable} settings The settings function. - */ - update: function(node, circle, settings) { - var prefix = settings('prefix') || ''; - - // Applying changes - // TODO: optimize - check if necessary - circle.setAttributeNS(null, 'cx', node[prefix + 'x']); - circle.setAttributeNS(null, 'cy', node[prefix + 'y']); - circle.setAttributeNS(null, 'r', node[prefix + 'size']); - - // Updating only if not freestyle - if (!settings('freeStyle')) - circle.setAttributeNS( - null, 'fill', node.color || settings('defaultNodeColor')); - - // Showing - circle.style.display = ''; - - return this; - } - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.svg.edges'); - - /** - * The default edge renderer. It renders the node as a simple line. - */ - sigma.svg.edges.def = { - - /** - * SVG Element creation. - * - * @param {object} edge The edge object. - * @param {object} source The source node object. - * @param {object} target The target node object. - * @param {configurable} settings The settings function. - */ - create: function(edge, source, target, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'); - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - var line = document.createElementNS(settings('xmlns'), 'line'); - - // Attributes - line.setAttributeNS(null, 'data-edge-id', edge.id); - line.setAttributeNS(null, 'class', settings('classPrefix') + '-edge'); - line.setAttributeNS(null, 'stroke', color); - - return line; - }, - - /** - * SVG Element update. - * - * @param {object} edge The edge object. - * @param {DOMElement} line The line DOM Element. - * @param {object} source The source node object. - * @param {object} target The target node object. - * @param {configurable} settings The settings function. - */ - update: function(edge, line, source, target, settings) { - var prefix = settings('prefix') || ''; - - line.setAttributeNS(null, 'stroke-width', edge[prefix + 'size'] || 1); - line.setAttributeNS(null, 'x1', source[prefix + 'x']); - line.setAttributeNS(null, 'y1', source[prefix + 'y']); - line.setAttributeNS(null, 'x2', target[prefix + 'x']); - line.setAttributeNS(null, 'y2', target[prefix + 'y']); - - // Showing - line.style.display = ''; - - return this; - } - }; -})(); - -;(function() { - 'use strict'; - - sigma.utils.pkg('sigma.svg.edges'); - - /** - * The curve edge renderer. It renders the node as a bezier curve. - */ - sigma.svg.edges.curve = { - - /** - * SVG Element creation. - * - * @param {object} edge The edge object. - * @param {object} source The source node object. - * @param {object} target The target node object. - * @param {configurable} settings The settings function. - */ - create: function(edge, source, target, settings) { - var color = edge.color, - prefix = settings('prefix') || '', - edgeColor = settings('edgeColor'), - defaultNodeColor = settings('defaultNodeColor'), - defaultEdgeColor = settings('defaultEdgeColor'); - - if (!color) - switch (edgeColor) { - case 'source': - color = source.color || defaultNodeColor; - break; - case 'target': - color = target.color || defaultNodeColor; - break; - default: - color = defaultEdgeColor; - break; - } - - var path = document.createElementNS(settings('xmlns'), 'path'); - - // Attributes - path.setAttributeNS(null, 'data-edge-id', edge.id); - path.setAttributeNS(null, 'class', settings('classPrefix') + '-edge'); - path.setAttributeNS(null, 'stroke', color); - - return path; - }, - - /** - * SVG Element update. - * - * @param {object} edge The edge object. - * @param {DOMElement} line The line DOM Element. - * @param {object} source The source node object. - * @param {object} target The target node object. - * @param {configurable} settings The settings function. - */ - update: function(edge, path, source, target, settings) { - var prefix = settings('prefix') || ''; - - path.setAttributeNS(null, 'stroke-width', edge[prefix + 'size'] || 1); - - // Control point - var cx = (source[prefix + 'x'] + target[prefix + 'x']) / 2 + - (target[prefix + 'y'] - source[prefix + 'y']) / 4, - cy = (source[prefix + 'y'] + target[prefix + 'y']) / 2 + - (source[prefix + 'x'] - target[prefix + 'x']) / 4; - - // Path - var p = 'M' + source[prefix + 'x'] + ',' + source[prefix + 'y'] + ' ' + - 'Q' + cx + ',' + cy + ' ' + - target[prefix + 'x'] + ',' + target[prefix + 'y']; - - // Updating attributes - path.setAttributeNS(null, 'd', p); - path.setAttributeNS(null, 'fill', 'none'); - - // Showing - path.style.display = ''; - - return this; - } - }; -})(); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.svg.labels'); - - /** - * The default label renderer. It renders the label as a simple text. - */ - sigma.svg.labels.def = { - - /** - * SVG Element creation. - * - * @param {object} node The node object. - * @param {configurable} settings The settings function. - */ - create: function(node, settings) { - var prefix = settings('prefix') || '', - size = node[prefix + 'size'], - text = document.createElementNS(settings('xmlns'), 'text'); - - var fontSize = (settings('labelSize') === 'fixed') ? - settings('defaultLabelSize') : - settings('labelSizeRatio') * size; - - var fontColor = (settings('labelColor') === 'node') ? - (node.color || settings('defaultNodeColor')) : - settings('defaultLabelColor'); - - text.setAttributeNS(null, 'data-label-target', node.id); - text.setAttributeNS(null, 'class', settings('classPrefix') + '-label'); - text.setAttributeNS(null, 'font-size', fontSize); - text.setAttributeNS(null, 'font-family', settings('font')); - text.setAttributeNS(null, 'fill', fontColor); - - text.innerHTML = node.label; - text.textContent = node.label; - - return text; - }, - - /** - * SVG Element update. - * - * @param {object} node The node object. - * @param {DOMElement} text The label DOM element. - * @param {configurable} settings The settings function. - */ - update: function(node, text, settings) { - var prefix = settings('prefix') || '', - size = node[prefix + 'size']; - - var fontSize = (settings('labelSize') === 'fixed') ? - settings('defaultLabelSize') : - settings('labelSizeRatio') * size; - - // Case when we don't want to display the label - if (!settings('forceLabels') && size < settings('labelThreshold')) - return; - - if (typeof node.label !== 'string') - return; - - // Updating - text.setAttributeNS(null, 'x', - Math.round(node[prefix + 'x'] + size + 3)); - text.setAttributeNS(null, 'y', - Math.round(node[prefix + 'y'] + fontSize / 3)); - - // Showing - text.style.display = ''; - - return this; - } - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.svg.hovers'); - - /** - * The default hover renderer. - */ - sigma.svg.hovers.def = { - - /** - * SVG Element creation. - * - * @param {object} node The node object. - * @param {CanvasElement} measurementCanvas A fake canvas handled by - * the svg to perform some measurements and - * passed by the renderer. - * @param {DOMElement} nodeCircle The node DOM Element. - * @param {configurable} settings The settings function. - */ - create: function(node, nodeCircle, measurementCanvas, settings) { - - // Defining visual properties - var x, - y, - w, - h, - e, - d, - fontStyle = settings('hoverFontStyle') || settings('fontStyle'), - prefix = settings('prefix') || '', - size = node[prefix + 'size'], - fontSize = (settings('labelSize') === 'fixed') ? - settings('defaultLabelSize') : - settings('labelSizeRatio') * size, - fontColor = (settings('labelHoverColor') === 'node') ? - (node.color || settings('defaultNodeColor')) : - settings('defaultLabelHoverColor'); - - // Creating elements - var group = document.createElementNS(settings('xmlns'), 'g'), - rectangle = document.createElementNS(settings('xmlns'), 'rect'), - circle = document.createElementNS(settings('xmlns'), 'circle'), - text = document.createElementNS(settings('xmlns'), 'text'); - - // Defining properties - group.setAttributeNS(null, 'class', settings('classPrefix') + '-hover'); - group.setAttributeNS(null, 'data-node-id', node.id); - - if (typeof node.label === 'string') { - - // Text - text.innerHTML = node.label; - text.textContent = node.label; - text.setAttributeNS( - null, - 'class', - settings('classPrefix') + '-hover-label'); - text.setAttributeNS(null, 'font-size', fontSize); - text.setAttributeNS(null, 'font-family', settings('font')); - text.setAttributeNS(null, 'fill', fontColor); - text.setAttributeNS(null, 'x', - Math.round(node[prefix + 'x'] + size + 3)); - text.setAttributeNS(null, 'y', - Math.round(node[prefix + 'y'] + fontSize / 3)); - - // Measures - // OPTIMIZE: Find a better way than a measurement canvas - x = Math.round(node[prefix + 'x'] - fontSize / 2 - 2); - y = Math.round(node[prefix + 'y'] - fontSize / 2 - 2); - w = Math.round( - measurementCanvas.measureText(node.label).width + - fontSize / 2 + size + 9 - ); - h = Math.round(fontSize + 4); - e = Math.round(fontSize / 2 + 2); - - // Circle - circle.setAttributeNS( - null, - 'class', - settings('classPrefix') + '-hover-area'); - circle.setAttributeNS(null, 'fill', '#fff'); - circle.setAttributeNS(null, 'cx', node[prefix + 'x']); - circle.setAttributeNS(null, 'cy', node[prefix + 'y']); - circle.setAttributeNS(null, 'r', e); - - // Rectangle - rectangle.setAttributeNS( - null, - 'class', - settings('classPrefix') + '-hover-area'); - rectangle.setAttributeNS(null, 'fill', '#fff'); - rectangle.setAttributeNS(null, 'x', node[prefix + 'x'] + e / 4); - rectangle.setAttributeNS(null, 'y', node[prefix + 'y'] - e); - rectangle.setAttributeNS(null, 'width', w); - rectangle.setAttributeNS(null, 'height', h); - } - - // Appending childs - group.appendChild(circle); - group.appendChild(rectangle); - group.appendChild(text); - group.appendChild(nodeCircle); - - return group; - } - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.middlewares'); - sigma.utils.pkg('sigma.utils'); - - /** - * This middleware will rescale the graph such that it takes an optimal space - * on the renderer. - * - * As each middleware, this function is executed in the scope of the sigma - * instance. - * - * @param {?string} readPrefix The read prefix. - * @param {?string} writePrefix The write prefix. - * @param {object} options The parameters. - */ - sigma.middlewares.rescale = function(readPrefix, writePrefix, options) { - var i, - l, - a, - b, - c, - d, - scale, - margin, - n = this.graph.nodes(), - e = this.graph.edges(), - settings = this.settings.embedObjects(options || {}), - bounds = settings('bounds') || sigma.utils.getBoundaries( - this.graph, - readPrefix, - true - ), - minX = bounds.minX, - minY = bounds.minY, - maxX = bounds.maxX, - maxY = bounds.maxY, - sizeMax = bounds.sizeMax, - weightMax = bounds.weightMax, - w = settings('width') || 1, - h = settings('height') || 1, - rescaleSettings = settings('autoRescale'), - validSettings = { - nodePosition: 1, - nodeSize: 1, - edgeSize: 1 - }; - - /** - * What elements should we rescale? - */ - if (!(rescaleSettings instanceof Array)) - rescaleSettings = ['nodePosition', 'nodeSize', 'edgeSize']; - - for (i = 0, l = rescaleSettings.length; i < l; i++) - if (!validSettings[rescaleSettings[i]]) - throw new Error( - 'The rescale setting "' + rescaleSettings[i] + '" is not recognized.' - ); - - var np = ~rescaleSettings.indexOf('nodePosition'), - ns = ~rescaleSettings.indexOf('nodeSize'), - es = ~rescaleSettings.indexOf('edgeSize'); - - /** - * First, we compute the scaling ratio, without considering the sizes - * of the nodes : Each node will have its center in the canvas, but might - * be partially out of it. - */ - scale = settings('scalingMode') === 'outside' ? - Math.max( - w / Math.max(maxX - minX, 1), - h / Math.max(maxY - minY, 1) - ) : - Math.min( - w / Math.max(maxX - minX, 1), - h / Math.max(maxY - minY, 1) - ); - - /** - * Then, we correct that scaling ratio considering a margin, which is - * basically the size of the biggest node. - * This has to be done as a correction since to compare the size of the - * biggest node to the X and Y values, we have to first get an - * approximation of the scaling ratio. - **/ - margin = - ( - settings('rescaleIgnoreSize') ? - 0 : - (settings('maxNodeSize') || sizeMax) / scale - ) + - (settings('sideMargin') || 0); - maxX += margin; - minX -= margin; - maxY += margin; - minY -= margin; - - // Fix the scaling with the new extrema: - scale = settings('scalingMode') === 'outside' ? - Math.max( - w / Math.max(maxX - minX, 1), - h / Math.max(maxY - minY, 1) - ) : - Math.min( - w / Math.max(maxX - minX, 1), - h / Math.max(maxY - minY, 1) - ); - - // Size homothetic parameters: - if (!settings('maxNodeSize') && !settings('minNodeSize')) { - a = 1; - b = 0; - } else if (settings('maxNodeSize') === settings('minNodeSize')) { - a = 0; - b = +settings('maxNodeSize'); - } else { - a = (settings('maxNodeSize') - settings('minNodeSize')) / sizeMax; - b = +settings('minNodeSize'); - } - - if (!settings('maxEdgeSize') && !settings('minEdgeSize')) { - c = 1; - d = 0; - } else if (settings('maxEdgeSize') === settings('minEdgeSize')) { - c = 0; - d = +settings('minEdgeSize'); - } else { - c = (settings('maxEdgeSize') - settings('minEdgeSize')) / weightMax; - d = +settings('minEdgeSize'); - } - - // Rescale the nodes and edges: - for (i = 0, l = e.length; i < l; i++) - e[i][writePrefix + 'size'] = - e[i][readPrefix + 'size'] * (es ? c : 1) + (es ? d : 0); - - for (i = 0, l = n.length; i < l; i++) { - n[i][writePrefix + 'size'] = - n[i][readPrefix + 'size'] * (ns ? a : 1) + (ns ? b : 0); - n[i][writePrefix + 'x'] = - (n[i][readPrefix + 'x'] - (maxX + minX) / 2) * (np ? scale : 1); - n[i][writePrefix + 'y'] = - (n[i][readPrefix + 'y'] - (maxY + minY) / 2) * (np ? scale : 1); - } - }; - - sigma.utils.getBoundaries = function(graph, prefix, doEdges) { - var i, - l, - e = graph.edges(), - n = graph.nodes(), - weightMax = -Infinity, - sizeMax = -Infinity, - minX = Infinity, - minY = Infinity, - maxX = -Infinity, - maxY = -Infinity; - - if (doEdges) - for (i = 0, l = e.length; i < l; i++) - weightMax = Math.max(e[i][prefix + 'size'], weightMax); - - for (i = 0, l = n.length; i < l; i++) { - sizeMax = Math.max(n[i][prefix + 'size'], sizeMax); - maxX = Math.max(n[i][prefix + 'x'], maxX); - minX = Math.min(n[i][prefix + 'x'], minX); - maxY = Math.max(n[i][prefix + 'y'], maxY); - minY = Math.min(n[i][prefix + 'y'], minY); - } - - weightMax = weightMax || 1; - sizeMax = sizeMax || 1; - - return { - weightMax: weightMax, - sizeMax: sizeMax, - minX: minX, - minY: minY, - maxX: maxX, - maxY: maxY - }; - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.middlewares'); - - /** - * This middleware will just copy the graphic properties. - * - * @param {?string} readPrefix The read prefix. - * @param {?string} writePrefix The write prefix. - */ - sigma.middlewares.copy = function(readPrefix, writePrefix) { - var i, - l, - a; - - if (writePrefix + '' === readPrefix + '') - return; - - a = this.graph.nodes(); - for (i = 0, l = a.length; i < l; i++) { - a[i][writePrefix + 'x'] = a[i][readPrefix + 'x']; - a[i][writePrefix + 'y'] = a[i][readPrefix + 'y']; - a[i][writePrefix + 'size'] = a[i][readPrefix + 'size']; - } - - a = this.graph.edges(); - for (i = 0, l = a.length; i < l; i++) - a[i][writePrefix + 'size'] = a[i][readPrefix + 'size']; - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.misc.animation.running'); - - /** - * Generates a unique ID for the animation. - * - * @return {string} Returns the new ID. - */ - var _getID = (function() { - var id = 0; - return function() { - return '' + (++id); - }; - })(); - - /** - * This function animates a camera. It has to be called with the camera to - * animate, the values of the coordinates to reach and eventually some - * options. It returns a number id, that you can use to kill the animation, - * with the method sigma.misc.animation.kill(id). - * - * The available options are: - * - * {?number} duration The duration of the animation. - * {?function} onNewFrame A callback to execute when the animation - * enter a new frame. - * {?function} onComplete A callback to execute when the animation - * is completed or killed. - * {?(string|function)} easing The name of a function from the package - * sigma.utils.easings, or a custom easing - * function. - * - * @param {camera} camera The camera to animate. - * @param {object} target The coordinates to reach. - * @param {?object} options Eventually an object to specify some options to - * the function. The available options are - * presented in the description of the function. - * @return {number} The animation id, to make it easy to kill - * through the method "sigma.misc.animation.kill". - */ - sigma.misc.animation.camera = function(camera, val, options) { - if ( - !(camera instanceof sigma.classes.camera) || - typeof val !== 'object' || - !val - ) - throw 'animation.camera: Wrong arguments.'; - - if ( - typeof val.x !== 'number' && - typeof val.y !== 'number' && - typeof val.ratio !== 'number' && - typeof val.angle !== 'number' - ) - throw 'There must be at least one valid coordinate in the given val.'; - - var fn, - id, - anim, - easing, - duration, - initialVal, - o = options || {}, - start = sigma.utils.dateNow(); - - // Store initial values: - initialVal = { - x: camera.x, - y: camera.y, - ratio: camera.ratio, - angle: camera.angle - }; - - duration = o.duration; - easing = typeof o.easing !== 'function' ? - sigma.utils.easings[o.easing || 'quadraticInOut'] : - o.easing; - - fn = function() { - var coef, - t = o.duration ? (sigma.utils.dateNow() - start) / o.duration : 1; - - // If the animation is over: - if (t >= 1) { - camera.isAnimated = false; - camera.goTo({ - x: val.x !== undefined ? val.x : initialVal.x, - y: val.y !== undefined ? val.y : initialVal.y, - ratio: val.ratio !== undefined ? val.ratio : initialVal.ratio, - angle: val.angle !== undefined ? val.angle : initialVal.angle - }); - - cancelAnimationFrame(id); - delete sigma.misc.animation.running[id]; - - // Check callbacks: - if (typeof o.onComplete === 'function') - o.onComplete(); - - // Else, let's keep going: - } else { - coef = easing(t); - camera.isAnimated = true; - camera.goTo({ - x: val.x !== undefined ? - initialVal.x + (val.x - initialVal.x) * coef : - initialVal.x, - y: val.y !== undefined ? - initialVal.y + (val.y - initialVal.y) * coef : - initialVal.y, - ratio: val.ratio !== undefined ? - initialVal.ratio + (val.ratio - initialVal.ratio) * coef : - initialVal.ratio, - angle: val.angle !== undefined ? - initialVal.angle + (val.angle - initialVal.angle) * coef : - initialVal.angle - }); - - // Check callbacks: - if (typeof o.onNewFrame === 'function') - o.onNewFrame(); - - anim.frameId = requestAnimationFrame(fn); - } - }; - - id = _getID(); - anim = { - frameId: requestAnimationFrame(fn), - target: camera, - type: 'camera', - options: o, - fn: fn - }; - sigma.misc.animation.running[id] = anim; - - return id; - }; - - /** - * Kills a running animation. It triggers the eventual onComplete callback. - * - * @param {number} id The id of the animation to kill. - * @return {object} Returns the sigma.misc.animation package. - */ - sigma.misc.animation.kill = function(id) { - if (arguments.length !== 1 || typeof id !== 'number') - throw 'animation.kill: Wrong arguments.'; - - var o = sigma.misc.animation.running[id]; - - if (o) { - cancelAnimationFrame(id); - delete sigma.misc.animation.running[o.frameId]; - - if (o.type === 'camera') - o.target.isAnimated = false; - - // Check callbacks: - if (typeof (o.options || {}).onComplete === 'function') - o.options.onComplete(); - } - - return this; - }; - - /** - * Kills every running animations, or only the one with the specified type, - * if a string parameter is given. - * - * @param {?(string|object)} filter A string to filter the animations to kill - * on their type (example: "camera"), or an - * object to filter on their target. - * @return {number} Returns the number of animations killed - * that way. - */ - sigma.misc.animation.killAll = function(filter) { - var o, - id, - count = 0, - type = typeof filter === 'string' ? filter : null, - target = typeof filter === 'object' ? filter : null, - running = sigma.misc.animation.running; - - for (id in running) - if ( - (!type || running[id].type === type) && - (!target || running[id].target === target) - ) { - o = sigma.misc.animation.running[id]; - cancelAnimationFrame(o.frameId); - delete sigma.misc.animation.running[id]; - - if (o.type === 'camera') - o.target.isAnimated = false; - - // Increment counter: - count++; - - // Check callbacks: - if (typeof (o.options || {}).onComplete === 'function') - o.options.onComplete(); - } - - return count; - }; - - /** - * Returns "true" if any animation that is currently still running matches - * the filter given to the function. - * - * @param {string|object} filter A string to filter the animations to kill - * on their type (example: "camera"), or an - * object to filter on their target. - * @return {boolean} Returns true if any running animation - * matches. - */ - sigma.misc.animation.has = function(filter) { - var id, - type = typeof filter === 'string' ? filter : null, - target = typeof filter === 'object' ? filter : null, - running = sigma.misc.animation.running; - - for (id in running) - if ( - (!type || running[id].type === type) && - (!target || running[id].target === target) - ) - return true; - - return false; - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.misc'); - - /** - * This helper will bind any no-DOM renderer (for instance canvas or WebGL) - * to its captors, to properly dispatch the good events to the sigma instance - * to manage clicking, hovering etc... - * - * It has to be called in the scope of the related renderer. - */ - sigma.misc.bindEvents = function(prefix) { - var i, - l, - mX, - mY, - captor, - self = this; - - function getNodes(e) { - if (e) { - mX = 'x' in e.data ? e.data.x : mX; - mY = 'y' in e.data ? e.data.y : mY; - } - - var i, - j, - l, - n, - x, - y, - s, - inserted, - selected = [], - modifiedX = mX + self.width / 2, - modifiedY = mY + self.height / 2, - point = self.camera.cameraPosition( - mX, - mY - ), - nodes = self.camera.quadtree.point( - point.x, - point.y - ); - - if (nodes.length) - for (i = 0, l = nodes.length; i < l; i++) { - n = nodes[i]; - x = n[prefix + 'x']; - y = n[prefix + 'y']; - s = n[prefix + 'size']; - - if ( - !n.hidden && - modifiedX > x - s && - modifiedX < x + s && - modifiedY > y - s && - modifiedY < y + s && - Math.sqrt( - Math.pow(modifiedX - x, 2) + - Math.pow(modifiedY - y, 2) - ) < s - ) { - // Insert the node: - inserted = false; - - for (j = 0; j < selected.length; j++) - if (n.size > selected[j].size) { - selected.splice(j, 0, n); - inserted = true; - break; - } - - if (!inserted) - selected.push(n); - } - } - - return selected; - } - - - function getEdges(e) { - if (!self.settings('enableEdgeHovering')) { - // No event if the setting is off: - return []; - } - - var isCanvas = ( - sigma.renderers.canvas && self instanceof sigma.renderers.canvas); - - if (!isCanvas) { - // A quick hardcoded rule to prevent people from using this feature - // with the WebGL renderer (which is not good enough at the moment): - throw new Error( - 'The edge events feature is not compatible with the WebGL renderer' - ); - } - - if (e) { - mX = 'x' in e.data ? e.data.x : mX; - mY = 'y' in e.data ? e.data.y : mY; - } - - var i, - j, - l, - a, - edge, - s, - maxEpsilon = self.settings('edgeHoverPrecision'), - source, - target, - cp, - nodeIndex = {}, - inserted, - selected = [], - modifiedX = mX + self.width / 2, - modifiedY = mY + self.height / 2, - point = self.camera.cameraPosition( - mX, - mY - ), - edges = []; - - if (isCanvas) { - var nodesOnScreen = self.camera.quadtree.area( - self.camera.getRectangle(self.width, self.height) - ); - for (a = nodesOnScreen, i = 0, l = a.length; i < l; i++) - nodeIndex[a[i].id] = a[i]; - } - - if (self.camera.edgequadtree !== undefined) { - edges = self.camera.edgequadtree.point( - point.x, - point.y - ); - } - - function insertEdge(selected, edge) { - inserted = false; - - for (j = 0; j < selected.length; j++) - if (edge.size > selected[j].size) { - selected.splice(j, 0, edge); - inserted = true; - break; - } - - if (!inserted) - selected.push(edge); - } - - if (edges.length) - for (i = 0, l = edges.length; i < l; i++) { - edge = edges[i]; - source = self.graph.nodes(edge.source); - target = self.graph.nodes(edge.target); - // (HACK) we can't get edge[prefix + 'size'] on WebGL renderer: - s = edge[prefix + 'size'] || - edge['read_' + prefix + 'size']; - - // First, let's identify which edges are drawn. To do this, we keep - // every edges that have at least one extremity displayed according to - // the quadtree and the "hidden" attribute. We also do not keep hidden - // edges. - // Then, let's check if the mouse is on the edge (we suppose that it - // is a line segment). - - if ( - !edge.hidden && - !source.hidden && !target.hidden && - (!isCanvas || - (nodeIndex[edge.source] || nodeIndex[edge.target])) && - sigma.utils.getDistance( - source[prefix + 'x'], - source[prefix + 'y'], - modifiedX, - modifiedY) > source[prefix + 'size'] && - sigma.utils.getDistance( - target[prefix + 'x'], - target[prefix + 'y'], - modifiedX, - modifiedY) > target[prefix + 'size'] - ) { - if (edge.type == 'curve' || edge.type == 'curvedArrow') { - if (source.id === target.id) { - cp = sigma.utils.getSelfLoopControlPoints( - source[prefix + 'x'], - source[prefix + 'y'], - source[prefix + 'size'] - ); - if ( - sigma.utils.isPointOnBezierCurve( - modifiedX, - modifiedY, - source[prefix + 'x'], - source[prefix + 'y'], - target[prefix + 'x'], - target[prefix + 'y'], - cp.x1, - cp.y1, - cp.x2, - cp.y2, - Math.max(s, maxEpsilon) - )) { - insertEdge(selected, edge); - } - } - else { - cp = sigma.utils.getQuadraticControlPoint( - source[prefix + 'x'], - source[prefix + 'y'], - target[prefix + 'x'], - target[prefix + 'y']); - if ( - sigma.utils.isPointOnQuadraticCurve( - modifiedX, - modifiedY, - source[prefix + 'x'], - source[prefix + 'y'], - target[prefix + 'x'], - target[prefix + 'y'], - cp.x, - cp.y, - Math.max(s, maxEpsilon) - )) { - insertEdge(selected, edge); - } - } - } else if ( - sigma.utils.isPointOnSegment( - modifiedX, - modifiedY, - source[prefix + 'x'], - source[prefix + 'y'], - target[prefix + 'x'], - target[prefix + 'y'], - Math.max(s, maxEpsilon) - )) { - insertEdge(selected, edge); - } - } - } - - return selected; - } - - - function bindCaptor(captor) { - var nodes, - edges, - overNodes = {}, - overEdges = {}; - - function onClick(e) { - if (!self.settings('eventsEnabled')) - return; - - self.dispatchEvent('click', e.data); - - nodes = getNodes(e); - edges = getEdges(e); - - if (nodes.length) { - self.dispatchEvent('clickNode', { - node: nodes[0], - captor: e.data - }); - self.dispatchEvent('clickNodes', { - node: nodes, - captor: e.data - }); - } else if (edges.length) { - self.dispatchEvent('clickEdge', { - edge: edges[0], - captor: e.data - }); - self.dispatchEvent('clickEdges', { - edge: edges, - captor: e.data - }); - } else - self.dispatchEvent('clickStage', {captor: e.data}); - } - - function onDoubleClick(e) { - if (!self.settings('eventsEnabled')) - return; - - self.dispatchEvent('doubleClick', e.data); - - nodes = getNodes(e); - edges = getEdges(e); - - if (nodes.length) { - self.dispatchEvent('doubleClickNode', { - node: nodes[0], - captor: e.data - }); - self.dispatchEvent('doubleClickNodes', { - node: nodes, - captor: e.data - }); - } else if (edges.length) { - self.dispatchEvent('doubleClickEdge', { - edge: edges[0], - captor: e.data - }); - self.dispatchEvent('doubleClickEdges', { - edge: edges, - captor: e.data - }); - } else - self.dispatchEvent('doubleClickStage', {captor: e.data}); - } - - function onRightClick(e) { - if (!self.settings('eventsEnabled')) - return; - - self.dispatchEvent('rightClick', e.data); - - nodes = getNodes(e); - edges = getEdges(e); - - if (nodes.length) { - self.dispatchEvent('rightClickNode', { - node: nodes[0], - captor: e.data - }); - self.dispatchEvent('rightClickNodes', { - node: nodes, - captor: e.data - }); - } else if (edges.length) { - self.dispatchEvent('rightClickEdge', { - edge: edges[0], - captor: e.data - }); - self.dispatchEvent('rightClickEdges', { - edge: edges, - captor: e.data - }); - } else - self.dispatchEvent('rightClickStage', {captor: e.data}); - } - - function onOut(e) { - if (!self.settings('eventsEnabled')) - return; - - var k, - i, - l, - le, - outNodes = [], - outEdges = []; - - for (k in overNodes) - outNodes.push(overNodes[k]); - - overNodes = {}; - // Dispatch both single and multi events: - for (i = 0, l = outNodes.length; i < l; i++) - self.dispatchEvent('outNode', { - node: outNodes[i], - captor: e.data - }); - if (outNodes.length) - self.dispatchEvent('outNodes', { - nodes: outNodes, - captor: e.data - }); - - overEdges = {}; - // Dispatch both single and multi events: - for (i = 0, le = outEdges.length; i < le; i++) - self.dispatchEvent('outEdge', { - edge: outEdges[i], - captor: e.data - }); - if (outEdges.length) - self.dispatchEvent('outEdges', { - edges: outEdges, - captor: e.data - }); - } - - function onMove(e) { - if (!self.settings('eventsEnabled')) - return; - - nodes = getNodes(e); - edges = getEdges(e); - - var i, - k, - node, - edge, - newOutNodes = [], - newOverNodes = [], - currentOverNodes = {}, - l = nodes.length, - newOutEdges = [], - newOverEdges = [], - currentOverEdges = {}, - le = edges.length; - - // Check newly overred nodes: - for (i = 0; i < l; i++) { - node = nodes[i]; - currentOverNodes[node.id] = node; - if (!overNodes[node.id]) { - newOverNodes.push(node); - overNodes[node.id] = node; - } - } - - // Check no more overred nodes: - for (k in overNodes) - if (!currentOverNodes[k]) { - newOutNodes.push(overNodes[k]); - delete overNodes[k]; - } - - // Dispatch both single and multi events: - for (i = 0, l = newOverNodes.length; i < l; i++) - self.dispatchEvent('overNode', { - node: newOverNodes[i], - captor: e.data - }); - for (i = 0, l = newOutNodes.length; i < l; i++) - self.dispatchEvent('outNode', { - node: newOutNodes[i], - captor: e.data - }); - if (newOverNodes.length) - self.dispatchEvent('overNodes', { - nodes: newOverNodes, - captor: e.data - }); - if (newOutNodes.length) - self.dispatchEvent('outNodes', { - nodes: newOutNodes, - captor: e.data - }); - - // Check newly overred edges: - for (i = 0; i < le; i++) { - edge = edges[i]; - currentOverEdges[edge.id] = edge; - if (!overEdges[edge.id]) { - newOverEdges.push(edge); - overEdges[edge.id] = edge; - } - } - - // Check no more overred edges: - for (k in overEdges) - if (!currentOverEdges[k]) { - newOutEdges.push(overEdges[k]); - delete overEdges[k]; - } - - // Dispatch both single and multi events: - for (i = 0, le = newOverEdges.length; i < le; i++) - self.dispatchEvent('overEdge', { - edge: newOverEdges[i], - captor: e.data - }); - for (i = 0, le = newOutEdges.length; i < le; i++) - self.dispatchEvent('outEdge', { - edge: newOutEdges[i], - captor: e.data - }); - if (newOverEdges.length) - self.dispatchEvent('overEdges', { - edges: newOverEdges, - captor: e.data - }); - if (newOutEdges.length) - self.dispatchEvent('outEdges', { - edges: newOutEdges, - captor: e.data - }); - } - - // Bind events: - captor.bind('click', onClick); - captor.bind('mousedown', onMove); - captor.bind('mouseup', onMove); - captor.bind('mousemove', onMove); - captor.bind('mouseout', onOut); - captor.bind('doubleclick', onDoubleClick); - captor.bind('rightclick', onRightClick); - self.bind('render', onMove); - } - - for (i = 0, l = this.captors.length; i < l; i++) - bindCaptor(this.captors[i]); - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.misc'); - - /** - * This helper will bind any DOM renderer (for instance svg) - * to its captors, to properly dispatch the good events to the sigma instance - * to manage clicking, hovering etc... - * - * It has to be called in the scope of the related renderer. - */ - sigma.misc.bindDOMEvents = function(container) { - var self = this, - graph = this.graph; - - // DOMElement abstraction - function Element(domElement) { - - // Helpers - this.attr = function(attrName) { - return domElement.getAttributeNS(null, attrName); - }; - - // Properties - this.tag = domElement.tagName; - this.class = this.attr('class'); - this.id = this.attr('id'); - - // Methods - this.isNode = function() { - return !!~this.class.indexOf(self.settings('classPrefix') + '-node'); - }; - - this.isEdge = function() { - return !!~this.class.indexOf(self.settings('classPrefix') + '-edge'); - }; - - this.isHover = function() { - return !!~this.class.indexOf(self.settings('classPrefix') + '-hover'); - }; - } - - // Click - function click(e) { - if (!self.settings('eventsEnabled')) - return; - - // Generic event - self.dispatchEvent('click', e); - - // Are we on a node? - var element = new Element(e.target); - - if (element.isNode()) - self.dispatchEvent('clickNode', { - node: graph.nodes(element.attr('data-node-id')) - }); - else - self.dispatchEvent('clickStage'); - - e.preventDefault(); - e.stopPropagation(); - } - - // Double click - function doubleClick(e) { - if (!self.settings('eventsEnabled')) - return; - - // Generic event - self.dispatchEvent('doubleClick', e); - - // Are we on a node? - var element = new Element(e.target); - - if (element.isNode()) - self.dispatchEvent('doubleClickNode', { - node: graph.nodes(element.attr('data-node-id')) - }); - else - self.dispatchEvent('doubleClickStage'); - - e.preventDefault(); - e.stopPropagation(); - } - - // On over - function onOver(e) { - var target = e.toElement || e.target; - - if (!self.settings('eventsEnabled') || !target) - return; - - var el = new Element(target); - - if (el.isNode()) { - self.dispatchEvent('overNode', { - node: graph.nodes(el.attr('data-node-id')) - }); - } - else if (el.isEdge()) { - var edge = graph.edges(el.attr('data-edge-id')); - self.dispatchEvent('overEdge', { - edge: edge, - source: graph.nodes(edge.source), - target: graph.nodes(edge.target) - }); - } - } - - // On out - function onOut(e) { - var target = e.fromElement || e.originalTarget; - - if (!self.settings('eventsEnabled')) - return; - - var el = new Element(target); - - if (el.isNode()) { - self.dispatchEvent('outNode', { - node: graph.nodes(el.attr('data-node-id')) - }); - } - else if (el.isEdge()) { - var edge = graph.edges(el.attr('data-edge-id')); - self.dispatchEvent('outEdge', { - edge: edge, - source: graph.nodes(edge.source), - target: graph.nodes(edge.target) - }); - } - } - - // Registering Events: - - // Click - container.addEventListener('click', click, false); - sigma.utils.doubleClick(container, 'click', doubleClick); - - // Touch counterparts - container.addEventListener('touchstart', click, false); - sigma.utils.doubleClick(container, 'touchstart', doubleClick); - - // Mouseover - container.addEventListener('mouseover', onOver, true); - - // Mouseout - container.addEventListener('mouseout', onOut, true); - }; -}).call(this); - -;(function(undefined) { - 'use strict'; - - if (typeof sigma === 'undefined') - throw 'sigma is not declared'; - - // Initialize packages: - sigma.utils.pkg('sigma.misc'); - - /** - * This method listens to "overNode", "outNode", "overEdge" and "outEdge" - * events from a renderer and renders the nodes differently on the top layer. - * The goal is to make any node label readable with the mouse, and to - * highlight hovered nodes and edges. - * - * It has to be called in the scope of the related renderer. - */ - sigma.misc.drawHovers = function(prefix) { - var self = this, - hoveredNodes = {}, - hoveredEdges = {}; - - this.bind('overNode', function(event) { - var node = event.data.node; - if (!node.hidden) { - hoveredNodes[node.id] = node; - draw(); - } - }); - - this.bind('outNode', function(event) { - delete hoveredNodes[event.data.node.id]; - draw(); - }); - - this.bind('overEdge', function(event) { - var edge = event.data.edge; - if (!edge.hidden) { - hoveredEdges[edge.id] = edge; - draw(); - } - }); - - this.bind('outEdge', function(event) { - delete hoveredEdges[event.data.edge.id]; - draw(); - }); - - this.bind('render', function(event) { - draw(); - }); - - function draw() { - - var k, - source, - target, - hoveredNode, - hoveredEdge, - c = self.contexts.hover.canvas, - defaultNodeType = self.settings('defaultNodeType'), - defaultEdgeType = self.settings('defaultEdgeType'), - nodeRenderers = sigma.canvas.hovers, - edgeRenderers = sigma.canvas.edgehovers, - extremitiesRenderers = sigma.canvas.extremities, - embedSettings = self.settings.embedObjects({ - prefix: prefix - }); - - // Clear self.contexts.hover: - self.contexts.hover.clearRect(0, 0, c.width, c.height); - - // Node render: single hover - if ( - embedSettings('enableHovering') && - embedSettings('singleHover') && - Object.keys(hoveredNodes).length - ) { - hoveredNode = hoveredNodes[Object.keys(hoveredNodes)[0]]; - ( - nodeRenderers[hoveredNode.type] || - nodeRenderers[defaultNodeType] || - nodeRenderers.def - )( - hoveredNode, - self.contexts.hover, - embedSettings - ); - } - - // Node render: multiple hover - if ( - embedSettings('enableHovering') && - !embedSettings('singleHover') - ) - for (k in hoveredNodes) - ( - nodeRenderers[hoveredNodes[k].type] || - nodeRenderers[defaultNodeType] || - nodeRenderers.def - )( - hoveredNodes[k], - self.contexts.hover, - embedSettings - ); - - // Edge render: single hover - if ( - embedSettings('enableEdgeHovering') && - embedSettings('singleHover') && - Object.keys(hoveredEdges).length - ) { - hoveredEdge = hoveredEdges[Object.keys(hoveredEdges)[0]]; - source = self.graph.nodes(hoveredEdge.source); - target = self.graph.nodes(hoveredEdge.target); - - if (! hoveredEdge.hidden) { - ( - edgeRenderers[hoveredEdge.type] || - edgeRenderers[defaultEdgeType] || - edgeRenderers.def - ) ( - hoveredEdge, - source, - target, - self.contexts.hover, - embedSettings - ); - - if (embedSettings('edgeHoverExtremities')) { - ( - extremitiesRenderers[hoveredEdge.type] || - extremitiesRenderers.def - )( - hoveredEdge, - source, - target, - self.contexts.hover, - embedSettings - ); - - } else { - // Avoid edges rendered over nodes: - ( - sigma.canvas.nodes[source.type] || - sigma.canvas.nodes.def - ) ( - source, - self.contexts.hover, - embedSettings - ); - ( - sigma.canvas.nodes[target.type] || - sigma.canvas.nodes.def - ) ( - target, - self.contexts.hover, - embedSettings - ); - } - } - } - - // Edge render: multiple hover - if ( - embedSettings('enableEdgeHovering') && - !embedSettings('singleHover') - ) { - for (k in hoveredEdges) { - hoveredEdge = hoveredEdges[k]; - source = self.graph.nodes(hoveredEdge.source); - target = self.graph.nodes(hoveredEdge.target); - - if (!hoveredEdge.hidden) { - ( - edgeRenderers[hoveredEdge.type] || - edgeRenderers[defaultEdgeType] || - edgeRenderers.def - ) ( - hoveredEdge, - source, - target, - self.contexts.hover, - embedSettings - ); - - if (embedSettings('edgeHoverExtremities')) { - ( - extremitiesRenderers[hoveredEdge.type] || - extremitiesRenderers.def - )( - hoveredEdge, - source, - target, - self.contexts.hover, - embedSettings - ); - } else { - // Avoid edges rendered over nodes: - ( - sigma.canvas.nodes[source.type] || - sigma.canvas.nodes.def - ) ( - source, - self.contexts.hover, - embedSettings - ); - ( - sigma.canvas.nodes[target.type] || - sigma.canvas.nodes.def - ) ( - target, - self.contexts.hover, - embedSettings - ); - } - } - } - } - } - }; -}).call(this); |
