mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
485 lines
20 KiB
JavaScript
485 lines
20 KiB
JavaScript
/**
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* Copyright 2013, 2016 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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RED.palette = (function() {
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var exclusion = ['config','unknown','deprecated'];
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var coreCategories = ['subflows', 'input', 'output', 'function', 'social', 'mobile', 'storage', 'analysis', 'advanced'];
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var categoryContainers = {};
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function createCategoryContainer(category, label){
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label = label || category.replace("_", " ");
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var catDiv = $('<div id="palette-container-'+category+'" class="palette-category palette-close hide">'+
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'<div id="palette-header-'+category+'" class="palette-header"><i class="expanded fa fa-angle-down"></i><span>'+label+'</span></div>'+
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'<div class="palette-content" id="palette-base-category-'+category+'">'+
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'<div id="palette-'+category+'-input"></div>'+
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'<div id="palette-'+category+'-output"></div>'+
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'<div id="palette-'+category+'-function"></div>'+
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'</div>'+
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'</div>').appendTo("#palette-container");
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categoryContainers[category] = {
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container: catDiv,
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close: function() {
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catDiv.removeClass("palette-open");
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catDiv.addClass("palette-closed");
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$("#palette-base-category-"+category).slideUp();
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$("#palette-header-"+category+" i").removeClass("expanded");
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},
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open: function() {
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catDiv.addClass("palette-open");
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catDiv.removeClass("palette-closed");
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$("#palette-base-category-"+category).slideDown();
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$("#palette-header-"+category+" i").addClass("expanded");
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},
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toggle: function() {
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if (catDiv.hasClass("palette-open")) {
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categoryContainers[category].close();
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} else {
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categoryContainers[category].open();
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}
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}
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};
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$("#palette-header-"+category).on('click', function(e) {
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categoryContainers[category].toggle();
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});
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}
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function setLabel(type, el,label, info) {
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var nodeWidth = 82;
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var nodeHeight = 25;
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var lineHeight = 20;
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var portHeight = 10;
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var words = label.split(/[ -]/);
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var displayLines = [];
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var currentLine = words[0];
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var currentLineWidth = RED.view.calculateTextWidth(currentLine, "palette_label", 0);
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for (var i=1;i<words.length;i++) {
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var newWidth = RED.view.calculateTextWidth(currentLine+" "+words[i], "palette_label", 0);
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if (newWidth < nodeWidth) {
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currentLine += " "+words[i];
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currentLineWidth = newWidth;
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} else {
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displayLines.push(currentLine);
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currentLine = words[i];
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currentLineWidth = RED.view.calculateTextWidth(currentLine, "palette_label", 0);
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}
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}
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displayLines.push(currentLine);
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var lines = displayLines.join("<br/>");
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var multiLineNodeHeight = 8+(lineHeight*displayLines.length);
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el.css({height:multiLineNodeHeight+"px"});
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var labelElement = el.find(".palette_label");
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labelElement.html(lines).attr('dir', RED.text.bidi.resolveBaseTextDir(lines));
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el.find(".palette_port").css({top:(multiLineNodeHeight/2-5)+"px"});
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var popOverContent;
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try {
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var l = "<p><b>"+RED.text.bidi.enforceTextDirectionWithUCC(label)+"</b></p>";
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if (label != type) {
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l = "<p><b>"+RED.text.bidi.enforceTextDirectionWithUCC(label)+"</b><br/><i>"+type+"</i></p>";
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}
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popOverContent = $(l+(info?info:$("script[data-help-name|='"+type+"']").html()||"<p>"+RED._("palette.noInfo")+"</p>").trim())
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.filter(function(n) {
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return (this.nodeType == 1 && this.nodeName == "P") || (this.nodeType == 3 && this.textContent.trim().length > 0)
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}).slice(0,2);
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} catch(err) {
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// Malformed HTML may cause errors. TODO: need to understand what can break
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// NON-NLS: internal debug
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console.log("Error generating pop-over label for ",type);
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console.log(err.toString());
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popOverContent = "<p><b>"+label+"</b></p><p>"+RED._("palette.noInfo")+"</p>";
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}
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el.data('popover').setContent(popOverContent);
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}
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function escapeNodeType(nt) {
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return nt.replace(" ","_").replace(".","_").replace(":","_");
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}
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function addNodeType(nt,def) {
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var nodeTypeId = escapeNodeType(nt);
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if ($("#palette_node_"+nodeTypeId).length) {
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return;
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}
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if (exclusion.indexOf(def.category)===-1) {
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var category = def.category.replace(" ","_");
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var rootCategory = category.split("-")[0];
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var d = document.createElement("div");
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d.id = "palette_node_"+nodeTypeId;
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d.type = nt;
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var label = /^(.*?)([ -]in|[ -]out)?$/.exec(nt)[1];
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if (typeof def.paletteLabel !== "undefined") {
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try {
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label = (typeof def.paletteLabel === "function" ? def.paletteLabel.call(def) : def.paletteLabel)||"";
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} catch(err) {
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console.log("Definition error: "+nt+".paletteLabel",err);
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}
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}
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$('<div/>',{class:"palette_label"+(def.align=="right"?" palette_label_right":"")}).appendTo(d);
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d.className="palette_node";
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if (def.icon) {
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var icon_url = "arrow-in.png";
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try {
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icon_url = (typeof def.icon === "function" ? def.icon.call({}) : def.icon);
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} catch(err) {
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console.log("Definition error: "+nt+".icon",err);
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}
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var iconContainer = $('<div/>',{class:"palette_icon_container"+(def.align=="right"?" palette_icon_container_right":"")}).appendTo(d);
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$('<div/>',{class:"palette_icon",style:"background-image: url(icons/"+icon_url+")"}).appendTo(iconContainer);
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}
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d.style.backgroundColor = def.color;
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if (def.outputs > 0) {
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var portOut = document.createElement("div");
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portOut.className = "palette_port palette_port_output";
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d.appendChild(portOut);
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}
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if (def.inputs > 0) {
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var portIn = document.createElement("div");
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portIn.className = "palette_port palette_port_input";
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d.appendChild(portIn);
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}
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if ($("#palette-base-category-"+rootCategory).length === 0) {
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if(coreCategories.indexOf(rootCategory) !== -1){
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createCategoryContainer(rootCategory, RED._("node-red:palette.label."+rootCategory, {defaultValue:rootCategory}));
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} else {
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var ns = def.set.id;
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createCategoryContainer(rootCategory, RED._(ns+":palette.label."+rootCategory, {defaultValue:rootCategory}));
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}
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}
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$("#palette-container-"+rootCategory).show();
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if ($("#palette-"+category).length === 0) {
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$("#palette-base-category-"+rootCategory).append('<div id="palette-'+category+'"></div>');
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}
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$("#palette-"+category).append(d);
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d.onmousedown = function(e) { e.preventDefault(); };
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RED.popover.create({
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target:$(d),
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content: "hi",
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delay: { show: 750, hide: 50 }
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});
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// $(d).popover({
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// title:d.type,
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// placement:"right",
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// trigger: "hover",
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// delay: { show: 750, hide: 50 },
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// html: true,
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// container:'body'
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// });
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$(d).click(function() {
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RED.view.focus();
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var helpText;
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if (nt.indexOf("subflow:") === 0) {
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helpText = marked(RED.nodes.subflow(nt.substring(8)).info||"");
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} else {
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helpText = $("script[data-help-name|='"+d.type+"']").html()||"";
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}
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var help = '<div class="node-help">'+helpText+"</div>";
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RED.sidebar.info.set(help);
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});
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var chart = $("#chart");
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var chartOffset = chart.offset();
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var chartSVG = $("#chart>svg").get(0);
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var activeSpliceLink;
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var mouseX;
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var mouseY;
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var spliceTimer;
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$(d).draggable({
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helper: 'clone',
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appendTo: 'body',
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revert: true,
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revertDuration: 50,
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start: function() {RED.view.focus();},
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stop: function() { d3.select('.link_splice').classed('link_splice',false); if (spliceTimer) { clearTimeout(spliceTimer); spliceTimer = null;}},
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drag: function(e,ui) {
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// TODO: this is the margin-left of palette node. Hard coding
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// it here makes me sad
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//console.log(ui.helper.position());
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ui.position.left += 17.5;
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if (def.inputs > 0 && def.outputs > 0) {
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mouseX = ui.position.left+(ui.helper.width()/2) - chartOffset.left + chart.scrollLeft();
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mouseY = ui.position.top+(ui.helper.height()/2) - chartOffset.top + chart.scrollTop();
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if (!spliceTimer) {
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spliceTimer = setTimeout(function() {
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var nodes = [];
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var bestDistance = Infinity;
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var bestLink = null;
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if (chartSVG.getIntersectionList) {
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var svgRect = chartSVG.createSVGRect();
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svgRect.x = mouseX;
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svgRect.y = mouseY;
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svgRect.width = 1;
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svgRect.height = 1;
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nodes = chartSVG.getIntersectionList(svgRect,chartSVG);
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mouseX /= RED.view.scale();
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mouseY /= RED.view.scale();
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} else {
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// Firefox doesn't do getIntersectionList and that
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// makes us sad
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mouseX /= RED.view.scale();
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mouseY /= RED.view.scale();
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nodes = RED.view.getLinksAtPoint(mouseX,mouseY);
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}
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for (var i=0;i<nodes.length;i++) {
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if (d3.select(nodes[i]).classed('link_background')) {
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var length = nodes[i].getTotalLength();
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for (var j=0;j<length;j+=10) {
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var p = nodes[i].getPointAtLength(j);
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var d2 = ((p.x-mouseX)*(p.x-mouseX))+((p.y-mouseY)*(p.y-mouseY));
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if (d2 < 200 && d2 < bestDistance) {
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bestDistance = d2;
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bestLink = nodes[i];
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}
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}
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}
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}
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if (activeSpliceLink && activeSpliceLink !== bestLink) {
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d3.select(activeSpliceLink.parentNode).classed('link_splice',false);
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}
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if (bestLink) {
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d3.select(bestLink.parentNode).classed('link_splice',true)
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} else {
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d3.select('.link_splice').classed('link_splice',false);
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}
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if (activeSpliceLink !== bestLink) {
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if (bestLink) {
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$(ui.helper).data('splice',d3.select(bestLink).data()[0]);
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} else {
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$(ui.helper).removeData('splice');
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}
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}
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activeSpliceLink = bestLink;
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spliceTimer = null;
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},200);
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}
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}
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}
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});
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var nodeInfo = null;
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if (def.category == "subflows") {
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$(d).dblclick(function(e) {
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RED.workspaces.show(nt.substring(8));
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e.preventDefault();
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});
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nodeInfo = marked(def.info||"");
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}
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setLabel(nt,$(d),label,nodeInfo);
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var categoryNode = $("#palette-container-"+category);
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if (categoryNode.find(".palette_node").length === 1) {
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categoryContainers[category].open();
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}
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}
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}
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function removeNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
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var paletteNode = $("#palette_node_"+nodeTypeId);
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var categoryNode = paletteNode.closest(".palette-category");
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paletteNode.remove();
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if (categoryNode.find(".palette_node").length === 0) {
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if (categoryNode.find("i").hasClass("expanded")) {
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categoryNode.find(".palette-content").slideToggle();
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categoryNode.find("i").toggleClass("expanded");
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}
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}
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}
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function hideNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
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$("#palette_node_"+nodeTypeId).hide();
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}
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function showNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
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$("#palette_node_"+nodeTypeId).show();
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}
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function refreshNodeTypes() {
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RED.nodes.eachSubflow(function(sf) {
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var paletteNode = $("#palette_node_subflow_"+sf.id.replace(".","_"));
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var portInput = paletteNode.find(".palette_port_input");
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var portOutput = paletteNode.find(".palette_port_output");
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if (portInput.length === 0 && sf.in.length > 0) {
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var portIn = document.createElement("div");
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portIn.className = "palette_port palette_port_input";
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paletteNode.append(portIn);
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} else if (portInput.length !== 0 && sf.in.length === 0) {
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portInput.remove();
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}
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if (portOutput.length === 0 && sf.out.length > 0) {
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var portOut = document.createElement("div");
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portOut.className = "palette_port palette_port_output";
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paletteNode.append(portOut);
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} else if (portOutput.length !== 0 && sf.out.length === 0) {
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portOutput.remove();
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}
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setLabel(sf.type+":"+sf.id,paletteNode,sf.name,marked(sf.info||""));
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});
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}
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function filterChange(val) {
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var re = new RegExp(val.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'),'i');
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$("#palette-container .palette_node").each(function(i,el) {
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var currentLabel = $(el).find(".palette_label").text();
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if (val === "" || re.test(el.id) || re.test(currentLabel)) {
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$(this).show();
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} else {
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$(this).hide();
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}
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});
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for (var category in categoryContainers) {
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if (categoryContainers.hasOwnProperty(category)) {
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if (categoryContainers[category].container
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.find(".palette_node")
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.filter(function() { return $(this).css('display') !== 'none'}).length === 0) {
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categoryContainers[category].close();
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} else {
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categoryContainers[category].open();
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}
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}
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}
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}
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function init() {
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RED.events.on('registry:node-type-added', function(nodeType) {
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var def = RED.nodes.getType(nodeType);
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addNodeType(nodeType,def);
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if (def.onpaletteadd && typeof def.onpaletteadd === "function") {
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def.onpaletteadd.call(def);
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}
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});
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RED.events.on('registry:node-type-removed', function(nodeType) {
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removeNodeType(nodeType);
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});
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RED.events.on('registry:node-set-enabled', function(nodeSet) {
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for (var j=0;j<nodeSet.types.length;j++) {
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showNodeType(nodeSet.types[j]);
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var def = RED.nodes.getType(nodeSet.types[j]);
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if (def.onpaletteadd && typeof def.onpaletteadd === "function") {
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def.onpaletteadd.call(def);
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}
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}
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});
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RED.events.on('registry:node-set-disabled', function(nodeSet) {
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for (var j=0;j<nodeSet.types.length;j++) {
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hideNodeType(nodeSet.types[j]);
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var def = RED.nodes.getType(nodeSet.types[j]);
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if (def.onpaletteremove && typeof def.onpaletteremove === "function") {
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def.onpaletteremove.call(def);
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}
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}
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});
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RED.events.on('registry:node-set-removed', function(nodeSet) {
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if (nodeSet.added) {
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for (var j=0;j<nodeSet.types.length;j++) {
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removeNodeType(nodeSet.types[j]);
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var def = RED.nodes.getType(nodeSet.types[j]);
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if (def.onpaletteremove && typeof def.onpaletteremove === "function") {
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def.onpaletteremove.call(def);
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}
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}
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}
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});
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$("#palette > .palette-spinner").show();
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$("#palette-search input").searchBox({
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delay: 100,
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change: function() {
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filterChange($(this).val());
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}
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})
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var categoryList = coreCategories;
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if (RED.settings.paletteCategories) {
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categoryList = RED.settings.paletteCategories;
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} else if (RED.settings.theme('palette.categories')) {
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categoryList = RED.settings.theme('palette.categories');
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}
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if (!Array.isArray(categoryList)) {
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categoryList = coreCategories
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}
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categoryList.forEach(function(category){
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createCategoryContainer(category, RED._("palette.label."+category,{defaultValue:category}));
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});
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$("#palette-collapse-all").on("click", function(e) {
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e.preventDefault();
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for (var cat in categoryContainers) {
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if (categoryContainers.hasOwnProperty(cat)) {
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categoryContainers[cat].close();
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}
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}
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});
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$("#palette-expand-all").on("click", function(e) {
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e.preventDefault();
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for (var cat in categoryContainers) {
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if (categoryContainers.hasOwnProperty(cat)) {
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categoryContainers[cat].open();
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}
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}
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});
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if (RED.settings.theme('palette.editable') !== false) {
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RED.palette.editor.init();
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}
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}
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return {
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init: init,
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add:addNodeType,
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remove:removeNodeType,
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hide:hideNodeType,
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show:showNodeType,
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refresh:refreshNodeTypes
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};
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})();
|