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node-red/editor/js/ui/palette.js

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2013-09-05 16:02:48 +02:00
/**
* Copyright JS Foundation and other contributors, http://js.foundation
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*
* 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.
**/
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RED.palette = (function() {
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var exclusion = ['config','unknown','deprecated'];
var coreCategories = ['subflows', 'input', 'output', 'function', 'social', 'mobile', 'storage', 'analysis', 'advanced'];
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var categoryContainers = {};
function createCategoryContainer(category, label) {
label = (label || category).replace(/_/g, " ");
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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>'+
'<div class="palette-content" id="palette-base-category-'+category+'">'+
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'<div id="palette-'+category+'-input"></div>'+
'<div id="palette-'+category+'-output"></div>'+
'<div id="palette-'+category+'-function"></div>'+
'</div>'+
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'</div>').appendTo("#palette-container");
categoryContainers[category] = {
container: catDiv,
close: function() {
catDiv.removeClass("palette-open");
catDiv.addClass("palette-closed");
$("#palette-base-category-"+category).slideUp();
$("#palette-header-"+category+" i").removeClass("expanded");
},
open: function() {
catDiv.addClass("palette-open");
catDiv.removeClass("palette-closed");
$("#palette-base-category-"+category).slideDown();
$("#palette-header-"+category+" i").addClass("expanded");
},
toggle: function() {
if (catDiv.hasClass("palette-open")) {
categoryContainers[category].close();
} else {
categoryContainers[category].open();
}
}
};
$("#palette-header-"+category).on('click', function(e) {
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categoryContainers[category].toggle();
});
}
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function setLabel(type, el,label, info) {
var nodeWidth = 82;
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var nodeHeight = 25;
var lineHeight = 20;
var portHeight = 10;
var words = label.split(/[ -]/);
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var displayLines = [];
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var currentLine = words[0];
var currentLineWidth = RED.view.calculateTextWidth(currentLine, "palette_label", 0);
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for (var i=1;i<words.length;i++) {
var newWidth = RED.view.calculateTextWidth(currentLine+" "+words[i], "palette_label", 0);
if (newWidth < nodeWidth) {
currentLine += " "+words[i];
currentLineWidth = newWidth;
} else {
displayLines.push(currentLine);
currentLine = words[i];
currentLineWidth = RED.view.calculateTextWidth(currentLine, "palette_label", 0);
}
}
displayLines.push(currentLine);
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var lines = displayLines.join("<br/>");
var multiLineNodeHeight = 8+(lineHeight*displayLines.length);
el.css({height:multiLineNodeHeight+"px"});
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;
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())
.filter(function(n) {
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return (this.nodeType == 1 && this.nodeName == "P") || (this.nodeType == 3 && this.textContent.trim().length > 0)
}).slice(0,2);
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} catch(err) {
// Malformed HTML may cause errors. TODO: need to understand what can break
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// NON-NLS: internal debug
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 setIcon(element,sf) {
var iconElement = element.find(".palette_icon");
var icon_url = RED.utils.getNodeIcon(sf._def,sf);
iconElement.attr("style", "background-image: url("+icon_url+")");
}
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function escapeNodeType(nt) {
return nt.replace(" ","_").replace(".","_").replace(":","_");
}
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function addNodeType(nt,def) {
var nodeTypeId = escapeNodeType(nt);
if ($("#palette_node_"+nodeTypeId).length) {
return;
}
if (exclusion.indexOf(def.category)===-1) {
var category = def.category.replace(/ /g,"_");
var rootCategory = category.split("-")[0];
var d = document.createElement("div");
d.id = "palette_node_"+nodeTypeId;
d.type = nt;
var label = /^(.*?)([ -]in|[ -]out)?$/.exec(nt)[1];
if (typeof def.paletteLabel !== "undefined") {
try {
label = (typeof def.paletteLabel === "function" ? def.paletteLabel.call(def) : def.paletteLabel)||"";
} catch(err) {
console.log("Definition error: "+nt+".paletteLabel",err);
}
}
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$('<div/>',{class:"palette_label"+(def.align=="right"?" palette_label_right":"")}).appendTo(d);
d.className="palette_node";
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if (def.icon) {
var icon_url = RED.utils.getNodeIcon(def);
var iconContainer = $('<div/>',{class:"palette_icon_container"+(def.align=="right"?" palette_icon_container_right":"")}).appendTo(d);
$('<div/>',{class:"palette_icon",style:"background-image: url("+icon_url+")"}).appendTo(iconContainer);
}
d.style.backgroundColor = def.color;
if (def.outputs > 0) {
var portOut = document.createElement("div");
portOut.className = "palette_port palette_port_output";
d.appendChild(portOut);
}
if (def.inputs > 0) {
var portIn = document.createElement("div");
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portIn.className = "palette_port palette_port_input";
d.appendChild(portIn);
}
if ($("#palette-base-category-"+rootCategory).length === 0) {
if(coreCategories.indexOf(rootCategory) !== -1){
createCategoryContainer(rootCategory, RED._("node-red:palette.label."+rootCategory, {defaultValue:rootCategory}));
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} else {
var ns = def.set.id;
createCategoryContainer(rootCategory, RED._(ns+":palette.label."+rootCategory, {defaultValue:rootCategory}));
}
}
$("#palette-container-"+rootCategory).show();
if ($("#palette-"+category).length === 0) {
$("#palette-base-category-"+rootCategory).append('<div id="palette-'+category+'"></div>');
}
$("#palette-"+category).append(d);
d.onmousedown = function(e) { e.preventDefault(); };
var popover = RED.popover.create({
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target:$(d),
trigger: "hover",
width: "300px",
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content: "hi",
delay: { show: 750, hide: 50 }
});
$(d).data('popover',popover);
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// $(d).popover({
// title:d.type,
// placement:"right",
// trigger: "hover",
// delay: { show: 750, hide: 50 },
// html: true,
// container:'body'
// });
$(d).click(function() {
RED.view.focus();
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var helpText;
if (nt.indexOf("subflow:") === 0) {
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helpText = marked(RED.nodes.subflow(nt.substring(8)).info||"")||('<span class="node-info-none">'+RED._("sidebar.info.none")+'</span>');
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} else {
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helpText = $("script[data-help-name='"+d.type+"']").html()||('<span class="node-info-none">'+RED._("sidebar.info.none")+'</span>');
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}
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RED.sidebar.info.set(helpText,RED._("sidebar.info.nodeHelp"));
});
var chart = $("#chart");
var chartOffset = chart.offset();
var chartSVG = $("#chart>svg").get(0);
var activeSpliceLink;
var mouseX;
var mouseY;
var spliceTimer;
var paletteWidth;
var paletteTop;
$(d).draggable({
helper: 'clone',
appendTo: 'body',
revert: true,
revertDuration: 50,
containment:'#main-container',
start: function() {
paletteWidth = $("#palette").width();
paletteTop = $("#palette").parent().position().top + $("#palette-container").position().top;
RED.view.focus();
},
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stop: function() { d3.select('.link_splice').classed('link_splice',false); if (spliceTimer) { clearTimeout(spliceTimer); spliceTimer = null;}},
drag: function(e,ui) {
// TODO: this is the margin-left of palette node. Hard coding
// it here makes me sad
//console.log(ui.helper.position());
ui.position.left += 17.5;
if (def.inputs > 0 && def.outputs > 0) {
mouseX = ui.position.left-paletteWidth+(ui.helper.width()/2) - chartOffset.left + chart.scrollLeft();
mouseY = ui.position.top-paletteTop+(ui.helper.height()/2) - chartOffset.top + chart.scrollTop();
if (!spliceTimer) {
spliceTimer = setTimeout(function() {
var nodes = [];
var bestDistance = Infinity;
var bestLink = null;
if (chartSVG.getIntersectionList) {
var svgRect = chartSVG.createSVGRect();
svgRect.x = mouseX;
svgRect.y = mouseY;
svgRect.width = 1;
svgRect.height = 1;
nodes = chartSVG.getIntersectionList(svgRect,chartSVG);
mouseX /= RED.view.scale();
mouseY /= RED.view.scale();
} else {
// Firefox doesn't do getIntersectionList and that
// makes us sad
mouseX /= RED.view.scale();
mouseY /= RED.view.scale();
nodes = RED.view.getLinksAtPoint(mouseX,mouseY);
}
for (var i=0;i<nodes.length;i++) {
if (d3.select(nodes[i]).classed('link_background')) {
var length = nodes[i].getTotalLength();
for (var j=0;j<length;j+=10) {
var p = nodes[i].getPointAtLength(j);
var d2 = ((p.x-mouseX)*(p.x-mouseX))+((p.y-mouseY)*(p.y-mouseY));
if (d2 < 200 && d2 < bestDistance) {
bestDistance = d2;
bestLink = nodes[i];
}
}
}
}
if (activeSpliceLink && activeSpliceLink !== bestLink) {
d3.select(activeSpliceLink.parentNode).classed('link_splice',false);
}
if (bestLink) {
d3.select(bestLink.parentNode).classed('link_splice',true)
} else {
d3.select('.link_splice').classed('link_splice',false);
}
if (activeSpliceLink !== bestLink) {
if (bestLink) {
$(ui.helper).data('splice',d3.select(bestLink).data()[0]);
} else {
$(ui.helper).removeData('splice');
}
}
activeSpliceLink = bestLink;
spliceTimer = null;
},200);
}
}
}
});
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var nodeInfo = null;
if (def.category == "subflows") {
$(d).dblclick(function(e) {
RED.workspaces.show(nt.substring(8));
e.preventDefault();
});
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nodeInfo = marked(def.info||"");
}
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setLabel(nt,$(d),label,nodeInfo);
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var categoryNode = $("#palette-container-"+category);
if (categoryNode.find(".palette_node").length === 1) {
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categoryContainers[category].open();
}
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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);
var categoryNode = paletteNode.closest(".palette-category");
paletteNode.remove();
if (categoryNode.find(".palette_node").length === 0) {
if (categoryNode.find("i").hasClass("expanded")) {
categoryNode.find(".palette-content").slideToggle();
categoryNode.find("i").toggleClass("expanded");
}
}
}
function hideNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
var paletteNode = $("#palette_node_"+nodeTypeId);
paletteNode.hide();
var categoryNode = paletteNode.closest(".palette-category");
var cl = categoryNode.find(".palette_node");
var c = 0;
for (var i = 0; i < cl.length; i++) {
if ($(cl[i]).css('display') === 'none') { c += 1; }
}
if (c === cl.length) { categoryNode.hide(); }
}
function showNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
var paletteNode = $("#palette_node_"+nodeTypeId);
var categoryNode = paletteNode.closest(".palette-category");
categoryNode.show();
paletteNode.show();
}
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function refreshNodeTypes() {
RED.nodes.eachSubflow(function(sf) {
var paletteNode = $("#palette_node_subflow_"+sf.id.replace(".","_"));
var portInput = paletteNode.find(".palette_port_input");
var portOutput = paletteNode.find(".palette_port_output");
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if (portInput.length === 0 && sf.in.length > 0) {
var portIn = document.createElement("div");
portIn.className = "palette_port palette_port_input";
paletteNode.append(portIn);
} else if (portInput.length !== 0 && sf.in.length === 0) {
portInput.remove();
}
if (portOutput.length === 0 && sf.out.length > 0) {
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var portOut = document.createElement("div");
portOut.className = "palette_port palette_port_output";
paletteNode.append(portOut);
} else if (portOutput.length !== 0 && sf.out.length === 0) {
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portOutput.remove();
}
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setLabel(sf.type+":"+sf.id,paletteNode,sf.name,marked(sf.info||""));
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setIcon(paletteNode,sf);
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});
}
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function filterChange(val) {
var re = new RegExp(val.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'),'i');
$("#palette-container .palette_node").each(function(i,el) {
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var currentLabel = $(el).find(".palette_label").text();
if (val === "" || re.test(el.id) || re.test(currentLabel)) {
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$(this).show();
} else {
$(this).hide();
}
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});
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for (var category in categoryContainers) {
if (categoryContainers.hasOwnProperty(category)) {
if (categoryContainers[category].container
.find(".palette_node")
.filter(function() { return $(this).css('display') !== 'none'}).length === 0) {
categoryContainers[category].close();
} else {
categoryContainers[category].open();
}
}
}
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}
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function init() {
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RED.events.on('registry:node-type-added', function(nodeType) {
var def = RED.nodes.getType(nodeType);
addNodeType(nodeType,def);
if (def.onpaletteadd && typeof def.onpaletteadd === "function") {
def.onpaletteadd.call(def);
}
});
RED.events.on('registry:node-type-removed', function(nodeType) {
removeNodeType(nodeType);
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});
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RED.events.on('registry:node-set-enabled', function(nodeSet) {
for (var j=0;j<nodeSet.types.length;j++) {
showNodeType(nodeSet.types[j]);
var def = RED.nodes.getType(nodeSet.types[j]);
if (def && def.onpaletteadd && typeof def.onpaletteadd === "function") {
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def.onpaletteadd.call(def);
}
}
});
RED.events.on('registry:node-set-disabled', function(nodeSet) {
for (var j=0;j<nodeSet.types.length;j++) {
hideNodeType(nodeSet.types[j]);
var def = RED.nodes.getType(nodeSet.types[j]);
if (def && def.onpaletteremove && typeof def.onpaletteremove === "function") {
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def.onpaletteremove.call(def);
}
}
});
RED.events.on('registry:node-set-removed', function(nodeSet) {
if (nodeSet.added) {
for (var j=0;j<nodeSet.types.length;j++) {
removeNodeType(nodeSet.types[j]);
var def = RED.nodes.getType(nodeSet.types[j]);
if (def && def.onpaletteremove && typeof def.onpaletteremove === "function") {
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def.onpaletteremove.call(def);
}
}
}
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});
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$("#palette > .palette-spinner").show();
$("#palette-search input").searchBox({
delay: 100,
change: function() {
filterChange($(this).val());
}
})
var categoryList = coreCategories;
if (RED.settings.paletteCategories) {
categoryList = RED.settings.paletteCategories;
} else if (RED.settings.theme('palette.categories')) {
categoryList = RED.settings.theme('palette.categories');
}
if (!Array.isArray(categoryList)) {
categoryList = coreCategories
}
categoryList.forEach(function(category){
createCategoryContainer(category, RED._("palette.label."+category,{defaultValue:category}));
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});
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$("#palette-collapse-all").on("click", function(e) {
e.preventDefault();
for (var cat in categoryContainers) {
if (categoryContainers.hasOwnProperty(cat)) {
categoryContainers[cat].close();
}
}
});
$("#palette-expand-all").on("click", function(e) {
e.preventDefault();
for (var cat in categoryContainers) {
if (categoryContainers.hasOwnProperty(cat)) {
categoryContainers[cat].open();
}
}
});
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}
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return {
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init: init,
add:addNodeType,
remove:removeNodeType,
hide:hideNodeType,
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show:showNodeType,
refresh:refreshNodeTypes
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};
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})();