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Diffstat (limited to 'dgbuilder/public/red/ui/palette.js')
| -rw-r--r-- | dgbuilder/public/red/ui/palette.js | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/dgbuilder/public/red/ui/palette.js b/dgbuilder/public/red/ui/palette.js new file mode 100644 index 00000000..f0524e55 --- /dev/null +++ b/dgbuilder/public/red/ui/palette.js @@ -0,0 +1,230 @@ +/** + * 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.palette = (function() { + + var exclusion = ['config','unknown','deprecated']; + //var core = ['input', 'output', 'function', 'social', 'storage', 'analysis', 'advanced']; + var core = ['DGEmain','DGEoutcome','DGEreturn','DGElogic']; + function createCategoryContainer(category){ + var escapedCategory = category.replace(" ","_"); + $("#palette-container").append('<div class="palette-category">'+ + '<div id="header-'+category+'" class="palette-header"><i class="expanded fa fa-caret-down"></i><span>'+category.replace("_"," ")+'</span></div>'+ + '<div class="palette-content" id="palette-base-category-'+category+'">'+ + '<div id="palette-'+category+'-input"></div>'+ + '<div id="palette-'+category+'-output"></div>'+ + '<div id="palette-'+category+'-function"></div>'+ + '</div>'+ + '</div>'); + + $("#header-"+category).on('click', function(e) { + $(this).next().slideToggle(); + $(this).children("i").toggleClass("expanded"); + }); + } + + core.forEach(createCategoryContainer); + + function addNodeType(nt,def) { + + var nodeTypeId = nt.replace(" ","_"); + + if ($("#palette_node_"+nodeTypeId).length) { + return; + } + + if (exclusion.indexOf(def.category)===-1) { + + var category = def.category.replace(" ","_"); + var rootCategory = category.split("-")[0]; + + var d = document.createElement("div"); + d.id = "palette_node_"+nodeTypeId; + d.type = nt; + + // calculate width of label text + $.fn.textWidth = function(text, font) { + if (!$.fn.textWidth.fakeEl) { + $.fn.textWidth.fakeEl = $('<span>').hide().appendTo(document.body); + } + $.fn.textWidth.fakeEl.text(text || this.val() || this.text()).css('font', font || this.css('font')); + return $.fn.textWidth.fakeEl.width(); + }; + + var label; + + if (typeof def.paletteLabel === "undefined") { + label = /^(.*?)([ -]in|[ -]out)?$/.exec(nt)[1]; + } else { + label = (typeof def.paletteLabel === "function" ? def.paletteLabel.call(def) : def.paletteLabel)||""; + } + + var pixels = $.fn.textWidth(label, '13px helvetica'); + var nodeWidth = 90; + var labelWidth = nodeWidth - 10; + var numLines = Math.ceil(pixels / nodeWidth); + var multiLine = numLines > 1; + + // styles matching with style.css + var nodeHeight = 25; + var lineHeight = 16; + var portHeight = 10; + var multiLineNodeHeight = lineHeight * numLines + (nodeHeight - lineHeight); + + d.innerHTML = '<div class="palette_label"'+ + (multiLine ? 'style="line-height: '+ + lineHeight + 'px; margin-top: 5px"' : '')+ + '>'+label+"</div>"; + d.className="palette_node"; + if (def.icon) { + d.style.backgroundImage = "url(icons/"+def.icon+")"; + if (multiLine) { + d.style.backgroundSize = "18px 27px"; + } + if (def.align == "right") { + d.style.backgroundPosition = "95% 50%"; + } else if (def.inputs > 0) { + d.style.backgroundPosition = "10% 50%"; + } + } + + d.style.backgroundColor = def.color; + d.style.height = multiLineNodeHeight + "px"; + + if (def.outputs > 0) { + var portOut = document.createElement("div"); + portOut.className = "palette_port palette_port_output"; + if (multiLine) { + portOut.style.top = ((multiLineNodeHeight - portHeight) / 2) + "px"; + } + d.appendChild(portOut); + } + + if (def.inputs > 0) { + var portIn = document.createElement("div"); + portIn.className = "palette_port"; + if (multiLine) { + portIn.style.top = ((multiLineNodeHeight - portHeight) / 2) + "px"; + } + d.appendChild(portIn); + } + + if ($("#palette-base-category-"+rootCategory).length === 0) { + createCategoryContainer(rootCategory); + } + + if ($("#palette-"+category).length === 0) { + $("#palette-base-category-"+rootCategory).append('<div id="palette-'+category+'"></div>'); + } + + $("#palette-"+category).append(d); + d.onmousedown = function(e) { e.preventDefault(); }; + + var popOverContent; + try { + popOverContent = $("<p><b>"+label+"</b></p>"+($("script[data-help-name|='"+nt+"']").html().trim()||"<p>no information available</p>")).slice(0,2); + } catch(err) { + // Malformed HTML may cause errors. TODO: need to understand what can break + console.log("Error generating pop-over label for '"+nt+"'."); + console.log(err.toString()); + popOverContent = "<p><b>"+label+"</b></p><p>no information available</p>"; + } + $(d).popover({ + title:d.type, + placement:"right", + trigger: "hover", + delay: { show: 750, hide: 50 }, + html: true, + container:'body', + content: popOverContent + }); + $(d).click(function() { + var help = '<div class="node-help">'+($("script[data-help-name|='"+d.type+"']").html()||"")+"</div>"; + $("#tab-info").html(help); + }); + $(d).draggable({ + helper: 'clone', + appendTo: 'body', + revert: true, + revertDuration: 50 + }); + } + } + + function removeNodeType(nt) { + var nodeTypeId = nt.replace(" ","_"); + $("#palette_node_"+nodeTypeId).remove(); + } + function hideNodeType(nt) { + var nodeTypeId = nt.replace(" ","_"); + $("#palette_node_"+nodeTypeId).hide(); + } + + function showNodeType(nt) { + var nodeTypeId = nt.replace(" ","_"); + $("#palette_node_"+nodeTypeId).show(); + } + + function filterChange() { + var val = $("#palette-search-input").val(); + if (val === "") { + $("#palette-search-clear").hide(); + } else { + $("#palette-search-clear").show(); + } + + var re = new RegExp(val); + $(".palette_node").each(function(i,el) { + if (val === "" || re.test(el.id)) { + $(this).show(); + } else { + $(this).hide(); + } + }); + } + + $("#palette-search-input").focus(function(e) { + RED.keyboard.disable(); + }); + $("#palette-search-input").blur(function(e) { + RED.keyboard.enable(); + }); + + $("#palette-search-clear").on("click",function(e) { + e.preventDefault(); + $("#palette-search-input").val(""); + filterChange(); + $("#palette-search-input").focus(); + }); + + $("#palette-search-input").val(""); + $("#palette-search-input").on("keyup",function() { + filterChange(); + }); + + $("#palette-search-input").on("focus",function() { + $("body").one("mousedown",function() { + $("#palette-search-input").blur(); + }); + }); + + return { + add:addNodeType, + remove:removeNodeType, + hide:hideNodeType, + show:showNodeType + }; +})(); |