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-rw-r--r--dgbuilder/public/red/nodes.js553
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diff --git a/dgbuilder/public/red/nodes.js b/dgbuilder/public/red/nodes.js
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+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * 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.
+ **/
+RED.nodes = (function() {
+
+ var node_defs = {};
+ var nodes = [];
+ var configNodes = {};
+ var links = [];
+ var defaultWorkspace;
+ var workspaces = {};
+
+ var registry = (function() {
+ var nodeList = [];
+ var nodeSets = {};
+ var typeToId = {};
+ var nodeDefinitions = {};
+
+ var exports = {
+ getNodeList: function() {
+ return nodeList;
+ },
+ setNodeList: function(list) {
+ nodeList = [];
+ for(var i=0;i<list.length;i++) {
+ var ns = list[i];
+ exports.addNodeSet(ns);
+ }
+ },
+ addNodeSet: function(ns) {
+ ns.added = false;
+ nodeSets[ns.id] = ns;
+ for (var j=0;j<ns.types.length;j++) {
+ typeToId[ns.types[j]] = ns.id;
+ }
+ nodeList.push(ns);
+ },
+ removeNodeSet: function(id) {
+ var ns = nodeSets[id];
+ for (var j=0;j<ns.types.length;j++) {
+ if (ns.added) {
+ // TODO: too tightly coupled into palette UI
+ RED.palette.remove(ns.types[j]);
+ var def = nodeDefinitions[ns.types[j]];
+ if (def.onpaletteremove && typeof def.onpaletteremove === "function") {
+ def.onpaletteremove.call(def);
+ }
+ }
+ delete typeToId[ns.types[j]];
+ }
+ delete nodeSets[id];
+ for (var i=0;i<nodeList.length;i++) {
+ if (nodeList[i].id == id) {
+ nodeList.splice(i,1);
+ break;
+ }
+ }
+ return ns;
+ },
+ getNodeSet: function(id) {
+ return nodeSets[id];
+ },
+ enableNodeSet: function(id) {
+ var ns = nodeSets[id];
+ ns.enabled = true;
+ for (var j=0;j<ns.types.length;j++) {
+ // TODO: too tightly coupled into palette UI
+ RED.palette.show(ns.types[j]);
+ var def = nodeDefinitions[ns.types[j]];
+ if (def.onpaletteadd && typeof def.onpaletteadd === "function") {
+ def.onpaletteadd.call(def);
+ }
+ }
+ },
+ disableNodeSet: function(id) {
+ var ns = nodeSets[id];
+ ns.enabled = false;
+ for (var j=0;j<ns.types.length;j++) {
+ // TODO: too tightly coupled into palette UI
+ RED.palette.hide(ns.types[j]);
+ var def = nodeDefinitions[ns.types[j]];
+ if (def.onpaletteremove && typeof def.onpaletteremove === "function") {
+ def.onpaletteremove.call(def);
+ }
+ }
+ },
+ registerNodeType: function(nt,def) {
+ nodeDefinitions[nt] = def;
+ nodeSets[typeToId[nt]].added = true;
+ // TODO: too tightly coupled into palette UI
+ RED.palette.add(nt,def);
+ if (def.onpaletteadd && typeof def.onpaletteadd === "function") {
+ def.onpaletteadd.call(def);
+ }
+ },
+ getNodeType: function(nt) {
+ return nodeDefinitions[nt];
+ }
+ };
+ return exports;
+ })();
+
+ function getID() {
+ return (1+Math.random()*4294967295).toString(16);
+ }
+
+ function addNode(n) {
+ if (n._def.category == "config") {
+ configNodes[n.id] = n;
+ RED.sidebar.config.refresh();
+ } else {
+ n.dirty = true;
+ nodes.push(n);
+ var updatedConfigNode = false;
+ for (var d in n._def.defaults) {
+ if (n._def.defaults.hasOwnProperty(d)) {
+ var property = n._def.defaults[d];
+ if (property.type) {
+ var type = registry.getNodeType(property.type);
+ if (type && type.category == "config") {
+ var configNode = configNodes[n[d]];
+ if (configNode) {
+ updatedConfigNode = true;
+ configNode.users.push(n);
+ }
+ }
+ }
+ }
+ }
+ if (updatedConfigNode) {
+ RED.sidebar.config.refresh();
+ }
+ }
+ }
+ function addLink(l) {
+ links.push(l);
+ }
+ function addConfig(c) {
+ configNodes[c.id] = c;
+ }
+
+ function getNode(id) {
+ if (id in configNodes) {
+ return configNodes[id];
+ } else {
+ for (var n in nodes) {
+ if (nodes[n].id == id) {
+ return nodes[n];
+ }
+ }
+ }
+ return null;
+ }
+
+ function removeNode(id) {
+ var removedLinks = [];
+ if (id in configNodes) {
+ delete configNodes[id];
+ RED.sidebar.config.refresh();
+ } else {
+ var node = getNode(id);
+ if (node) {
+ nodes.splice(nodes.indexOf(node),1);
+ removedLinks = links.filter(function(l) { return (l.source === node) || (l.target === node); });
+ removedLinks.map(function(l) {links.splice(links.indexOf(l), 1); });
+ }
+ var updatedConfigNode = false;
+ for (var d in node._def.defaults) {
+ if (node._def.defaults.hasOwnProperty(d)) {
+ var property = node._def.defaults[d];
+ if (property.type) {
+ var type = registry.getNodeType(property.type);
+ if (type && type.category == "config") {
+ var configNode = configNodes[node[d]];
+ if (configNode) {
+ updatedConfigNode = true;
+ var users = configNode.users;
+ users.splice(users.indexOf(node),1);
+ }
+ }
+ }
+ }
+ }
+ if (updatedConfigNode) {
+ RED.sidebar.config.refresh();
+ }
+ }
+ return removedLinks;
+ }
+
+ function removeLink(l) {
+ var index = links.indexOf(l);
+ if (index != -1) {
+ links.splice(index,1);
+ }
+ }
+
+ function refreshValidation() {
+ for (var n=0;n<nodes.length;n++) {
+ RED.editor.validateNode(nodes[n]);
+ }
+ }
+
+ function addWorkspace(ws) {
+ workspaces[ws.id] = ws;
+ }
+ function getWorkspace(id) {
+ return workspaces[id];
+ }
+ function removeWorkspace(id) {
+ delete workspaces[id];
+ var removedNodes = [];
+ var removedLinks = [];
+ var n;
+ for (n=0;n<nodes.length;n++) {
+ var node = nodes[n];
+ if (node.z == id) {
+ removedNodes.push(node);
+ }
+ }
+ for (n=0;n<removedNodes.length;n++) {
+ var rmlinks = removeNode(removedNodes[n].id);
+ removedLinks = removedLinks.concat(rmlinks);
+ }
+ return {nodes:removedNodes,links:removedLinks};
+ }
+
+ function getAllFlowNodes(node) {
+ var visited = {};
+ visited[node.id] = true;
+ var nns = [node];
+ var stack = [node];
+ while(stack.length !== 0) {
+ var n = stack.shift();
+ var childLinks = links.filter(function(d) { return (d.source === n) || (d.target === n);});
+ for (var i=0;i<childLinks.length;i++) {
+ var child = (childLinks[i].source === n)?childLinks[i].target:childLinks[i].source;
+ if (!visited[child.id]) {
+ visited[child.id] = true;
+ nns.push(child);
+ stack.push(child);
+ }
+ }
+ }
+ return nns;
+ }
+
+ /**
+ * Converts a node to an exportable JSON Object
+ **/
+ function convertNode(n, exportCreds) {
+ exportCreds = exportCreds || false;
+ var node = {};
+ node.id = n.id;
+ node.type = n.type;
+ for (var d in n._def.defaults) {
+ if (n._def.defaults.hasOwnProperty(d)) {
+ node[d] = n[d];
+ }
+ }
+ if(exportCreds && n.credentials) {
+ node.credentials = {};
+ for (var cred in n._def.credentials) {
+ if (n._def.credentials.hasOwnProperty(cred)) {
+ if (n.credentials[cred] != null) {
+ node.credentials[cred] = n.credentials[cred];
+ }
+ }
+ }
+ }
+ if (n._def.category != "config") {
+ node.x = n.x;
+ node.y = n.y;
+ node.z = n.z;
+ node.wires = [];
+ for(var i=0;i<n.outputs;i++) {
+ node.wires.push([]);
+ }
+ var wires = links.filter(function(d){return d.source === n;});
+ for (var j=0;j<wires.length;j++) {
+ var w = wires[j];
+ node.wires[w.sourcePort].push(w.target.id);
+ }
+ }
+ return node;
+ }
+
+ /**
+ * Converts the current node selection to an exportable JSON Object
+ **/
+ function createExportableNodeSet(set) {
+ var nns = [];
+ var exportedConfigNodes = {};
+ for (var n=0;n<set.length;n++) {
+ var node = set[n].n;
+ var convertedNode = RED.nodes.convertNode(node);
+ for (var d in node._def.defaults) {
+ if (node._def.defaults[d].type && node[d] in configNodes) {
+ var confNode = configNodes[node[d]];
+ var exportable = registry.getNodeType(node._def.defaults[d].type).exportable;
+ if ((exportable == null || exportable)) {
+ if (!(node[d] in exportedConfigNodes)) {
+ exportedConfigNodes[node[d]] = true;
+ nns.unshift(RED.nodes.convertNode(confNode));
+ }
+ } else {
+ convertedNode[d] = "";
+ }
+ }
+ }
+
+ nns.push(convertedNode);
+ }
+ return nns;
+ }
+
+ //TODO: rename this (createCompleteNodeSet)
+ function createCompleteNodeSet() {
+ var nns = [];
+ var i;
+ for (i in workspaces) {
+ if (workspaces.hasOwnProperty(i)) {
+ nns.push(workspaces[i]);
+ }
+ }
+ for (i in configNodes) {
+ if (configNodes.hasOwnProperty(i)) {
+ nns.push(convertNode(configNodes[i], true));
+ }
+ }
+ for (i=0;i<nodes.length;i++) {
+ var node = nodes[i];
+ nns.push(convertNode(node, true));
+ }
+ return nns;
+ }
+
+ function importNodes(newNodesObj,createNewIds) {
+ try {
+ var i;
+ var n;
+ var newNodes;
+ if (typeof newNodesObj === "string") {
+ if (newNodesObj === "") {
+ return;
+ }
+ newNodes = JSON.parse(newNodesObj);
+ } else {
+ newNodes = newNodesObj;
+ }
+
+ if (!$.isArray(newNodes)) {
+ newNodes = [newNodes];
+ }
+ var unknownTypes = [];
+ for (i=0;i<newNodes.length;i++) {
+ n = newNodes[i];
+ // TODO: remove workspace in next release+1
+ if (n.type != "workspace" && n.type != "tab" && !registry.getNodeType(n.type)) {
+ // TODO: get this UI thing out of here! (see below as well)
+ n.name = n.type;
+ n.type = "unknown";
+ if (unknownTypes.indexOf(n.name)==-1) {
+ unknownTypes.push(n.name);
+ }
+ if (n.x == null && n.y == null) {
+ // config node - remove it
+ newNodes.splice(i,1);
+ i--;
+ }
+ }
+ }
+ if (unknownTypes.length > 0) {
+ var typeList = "<ul><li>"+unknownTypes.join("</li><li>")+"</li></ul>";
+ var type = "type"+(unknownTypes.length > 1?"s":"");
+ RED.notify("<strong>Imported unrecognised "+type+":</strong>"+typeList,"error",false,10000);
+ //"DO NOT DEPLOY while in this state.<br/>Either, add missing types to Node-RED, restart and then reload page,<br/>or delete unknown "+n.name+", rewire as required, and then deploy.","error");
+ }
+
+ var new_workspaces = [];
+ var workspace_map = {};
+
+ for (i=0;i<newNodes.length;i++) {
+ n = newNodes[i];
+ // TODO: remove workspace in next release+1
+ if (n.type === "workspace" || n.type === "tab") {
+ if (n.type === "workspace") {
+ n.type = "tab";
+ }
+ if (defaultWorkspace == null) {
+ defaultWorkspace = n;
+ }
+ if (createNewIds) {
+ var nid = getID();
+ workspace_map[n.id] = nid;
+ n.id = nid;
+ }
+ addWorkspace(n);
+ RED.view.addWorkspace(n);
+ new_workspaces.push(n);
+ }
+ }
+ if (defaultWorkspace == null) {
+ defaultWorkspace = { type:"tab", id:getID(), label:"Sheet 1" };
+ addWorkspace(defaultWorkspace);
+ RED.view.addWorkspace(defaultWorkspace);
+ new_workspaces.push(defaultWorkspace);
+ }
+
+ var node_map = {};
+ var new_nodes = [];
+ var new_links = [];
+
+ for (i=0;i<newNodes.length;i++) {
+ n = newNodes[i];
+ // TODO: remove workspace in next release+1
+ if (n.type !== "workspace" && n.type !== "tab") {
+ var def = registry.getNodeType(n.type);
+ if (def && def.category == "config") {
+ if (!RED.nodes.node(n.id)) {
+ var configNode = {id:n.id,type:n.type,users:[]};
+ for (var d in def.defaults) {
+ if (def.defaults.hasOwnProperty(d)) {
+ configNode[d] = n[d];
+ }
+ }
+ configNode.label = def.label;
+ configNode._def = def;
+ RED.nodes.add(configNode);
+ }
+ } else {
+ var node = {x:n.x,y:n.y,z:n.z,type:0,wires:n.wires,changed:false};
+ if (createNewIds) {
+ node.z = workspace_map[node.z];
+ if (!workspaces[node.z]) {
+ node.z = RED.view.getWorkspace();
+ }
+ node.id = getID();
+ } else {
+ node.id = n.id;
+ if (node.z == null || !workspaces[node.z]) {
+ node.z = RED.view.getWorkspace();
+ }
+ }
+ node.type = n.type;
+ node._def = def;
+ if (!node._def) {
+ node._def = {
+ color:"#fee",
+ defaults: {},
+ label: "unknown: "+n.type,
+ labelStyle: "node_label_italic",
+ outputs: n.outputs||n.wires.length
+ }
+ }
+ node.outputs = n.outputs||node._def.outputs;
+
+ for (var d2 in node._def.defaults) {
+ if (node._def.defaults.hasOwnProperty(d2)) {
+ node[d2] = n[d2];
+ }
+ }
+
+ addNode(node);
+ RED.editor.validateNode(node);
+ node_map[n.id] = node;
+ new_nodes.push(node);
+ }
+ }
+ }
+ for (i=0;i<new_nodes.length;i++) {
+ n = new_nodes[i];
+ for (var w1=0;w1<n.wires.length;w1++) {
+ var wires = (n.wires[w1] instanceof Array)?n.wires[w1]:[n.wires[w1]];
+ for (var w2=0;w2<wires.length;w2++) {
+ if (wires[w2] in node_map) {
+ var link = {source:n,sourcePort:w1,target:node_map[wires[w2]]};
+ addLink(link);
+ new_links.push(link);
+ }
+ }
+ }
+ delete n.wires;
+ }
+ return [new_nodes,new_links,new_workspaces];
+ } catch(error) {
+ //TODO: get this UI thing out of here! (see above as well)
+ RED.notify("<strong>Error</strong>: "+error,"error");
+ return null;
+ }
+
+ }
+
+ return {
+ registry:registry,
+ setNodeList: registry.setNodeList,
+
+ getNodeSet: registry.getNodeSet,
+ addNodeSet: registry.addNodeSet,
+ removeNodeSet: registry.removeNodeSet,
+ enableNodeSet: registry.enableNodeSet,
+ disableNodeSet: registry.disableNodeSet,
+
+ registerType: registry.registerNodeType,
+ getType: registry.getNodeType,
+ convertNode: convertNode,
+ add: addNode,
+ addLink: addLink,
+ remove: removeNode,
+ removeLink: removeLink,
+ addWorkspace: addWorkspace,
+ removeWorkspace: removeWorkspace,
+ workspace: getWorkspace,
+ eachNode: function(cb) {
+ for (var n=0;n<nodes.length;n++) {
+ cb(nodes[n]);
+ }
+ },
+ eachLink: function(cb) {
+ for (var l=0;l<links.length;l++) {
+ cb(links[l]);
+ }
+ },
+ eachConfig: function(cb) {
+ for (var id in configNodes) {
+ if (configNodes.hasOwnProperty(id)) {
+ cb(configNodes[id]);
+ }
+ }
+ },
+ node: getNode,
+ import: importNodes,
+ refreshValidation: refreshValidation,
+ getAllFlowNodes: getAllFlowNodes,
+ createExportableNodeSet: createExportableNodeSet,
+ createCompleteNodeSet: createCompleteNodeSet,
+ id: getID,
+ nodes: nodes, // TODO: exposed for d3 vis
+ links: links // TODO: exposed for d3 vis
+ };
+})();