mirror of
https://github.com/node-red/node-red.git
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288 lines
10 KiB
JavaScript
288 lines
10 KiB
JavaScript
/**
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* Copyright 2013, 2015 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 core = ['subflows', 'input', 'output', 'function', 'social', 'storage', 'analysis', 'advanced'];
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function createCategoryContainer(category){
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var escapedCategory = category.replace(" ","_");
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var catDiv = $("#palette-container").append('<div id="palette-container-'+category+'" class="palette-category hide">'+
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'<div id="palette-header-'+category+'" class="palette-header"><i class="expanded fa fa-caret-down"></i><span>'+category.replace("_"," ")+'</span></div>'+
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'<div class="palette-content" id="palette-base-category-'+category+'">'+
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'<div id="palette-'+category+'-input"></div>'+
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'<div id="palette-'+category+'-output"></div>'+
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'<div id="palette-'+category+'-function"></div>'+
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'</div>'+
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'</div>');
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$("#palette-header-"+category).on('click', function(e) {
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$(this).next().slideToggle();
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$(this).children("i").toggleClass("expanded");
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});
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}
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function setLabel(type, el,label) {
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var nodeWidth = 80;
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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);
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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>"+label+"</b></p>";
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if (label != type) {
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l = "<p><b>"+label+"</b><br/><i>"+type+"</i></p>";
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}
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popOverContent = $(l+($("script[data-help-name|='"+type+"']").html()||"<p>no information available</p>").trim())
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.filter(function(n) {
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return this.nodeType == 1 || (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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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>no information available</p>";
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}
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el.data('popover').options.content = 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 ($("#palette_node_"+nodeTypeId).length) {
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return;
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}
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if (exclusion.indexOf(def.category)===-1) {
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var category = def.category.replace(" ","_");
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var rootCategory = category.split("-")[0];
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var d = document.createElement("div");
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d.id = "palette_node_"+nodeTypeId;
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d.type = nt;
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var label;
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if (typeof def.paletteLabel === "undefined") {
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label = /^(.*?)([ -]in|[ -]out)?$/.exec(nt)[1];
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} else {
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label = (typeof def.paletteLabel === "function" ? def.paletteLabel.call(def) : def.paletteLabel)||"";
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}
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d.innerHTML = '<div class="palette_label"></div>';
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d.className="palette_node";
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if (def.icon) {
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d.style.backgroundImage = "url(icons/"+def.icon+")";
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d.style.backgroundSize = "18px 27px";
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if (def.align == "right") {
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d.style.backgroundPosition = "95% 50%";
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} else if (def.inputs > 0) {
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d.style.backgroundPosition = "10% 50%";
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}
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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 ($("#palette-base-category-"+rootCategory).length === 0) {
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createCategoryContainer(rootCategory);
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}
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$("#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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$("#palette-"+category).append(d);
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d.onmousedown = function(e) { e.preventDefault(); };
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$(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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$(d).click(function() {
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RED.view.focus();
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var help = '<div class="node-help">'+($("script[data-help-name|='"+d.type+"']").html()||"")+"</div>";
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$("#tab-info").html(help);
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});
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$(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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});
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setLabel(nt,$(d),label);
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}
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}
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function removeNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
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$("#palette_node_"+nodeTypeId).remove();
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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);
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});
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}
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function filterChange() {
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var val = $("#palette-search-input").val();
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if (val === "") {
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$("#palette-search-clear").hide();
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} else {
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$("#palette-search-clear").show();
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}
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var re = new RegExp(val,'i');
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$(".palette_node").each(function(i,el) {
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if (val === "" || re.test(el.id)) {
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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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}
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function init() {
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$(".palette-spinner").show();
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if (RED.settings.paletteCategories) {
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RED.settings.paletteCategories.forEach(createCategoryContainer);
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} else {
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core.forEach(createCategoryContainer);
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}
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$("#palette-search-input").focus(function(e) {
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RED.keyboard.disable();
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});
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$("#palette-search-input").blur(function(e) {
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RED.keyboard.enable();
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});
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$("#palette-search-clear").on("click",function(e) {
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e.preventDefault();
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$("#palette-search-input").val("");
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filterChange();
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$("#palette-search-input").focus();
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});
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$("#palette-search-input").val("");
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$("#palette-search-input").on("keyup",function() {
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filterChange();
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});
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$("#palette-search-input").on("focus",function() {
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$("body").one("mousedown",function() {
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$("#palette-search-input").blur();
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});
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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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})();
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