106 lines
3.7 KiB
JavaScript
106 lines
3.7 KiB
JavaScript
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define("dijit/Declaration", [
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"dojo/_base/array", // array.forEach array.map
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"dojo/_base/connect", // connect.connect
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"dojo/_base/declare", // declare
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"dojo/_base/lang", // lang.getObject
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"dojo/parser", // parser._functionFromScript
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"dojo/query", // query
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"./_Widget",
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"./_TemplatedMixin",
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"./_WidgetsInTemplateMixin",
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"dojo/NodeList-dom"
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], function(array, connect, declare, lang, parser, query, _Widget, _TemplatedMixin, _WidgetsInTemplateMixin){
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// module:
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// dijit/Declaration
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return declare("dijit.Declaration", _Widget, {
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// summary:
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// The Declaration widget allows a developer to declare new widget
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// classes directly from a snippet of markup.
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// _noScript: [private] Boolean
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// Flag to parser to leave alone the script tags contained inside of me
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_noScript: true,
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// stopParser: [private] Boolean
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// Flag to parser to not try and parse widgets declared inside of me
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stopParser: true,
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// widgetClass: [const] String
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// Name of class being declared, ex: "acme.myWidget"
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widgetClass: "",
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// propList: [const] Object
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// Set of attributes for this widget along with default values, ex:
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// {delay: 100, title: "hello world"}
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defaults: null,
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// mixins: [const] String[]
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// List containing the prototype for this widget, and also any mixins,
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// ex: ["dijit._Widget", "dijit._Container"]
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mixins: [],
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buildRendering: function(){
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var src = this.srcNodeRef.parentNode.removeChild(this.srcNodeRef),
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methods = query("> script[type^='dojo/method']", src).orphan(),
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connects = query("> script[type^='dojo/connect']", src).orphan(),
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srcType = src.nodeName;
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var propList = this.defaults || {};
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// For all methods defined like <script type="dojo/method" data-dojo-event="foo">,
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// add that method to prototype.
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// If there's no "event" specified then it's code to run on instantiation,
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// so it becomes a connection to "postscript" (handled below).
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array.forEach(methods, function(s){
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var evt = s.getAttribute("event") || s.getAttribute("data-dojo-event"),
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func = parser._functionFromScript(s);
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if(evt){
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propList[evt] = func;
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}else{
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connects.push(s);
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}
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});
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// map array of strings like [ "dijit.form.Button" ] to array of mixin objects
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// (note that array.map(this.mixins, lang.getObject) doesn't work because it passes
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// a bogus third argument to getObject(), confusing it)
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if(this.mixins.length){
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this.mixins = array.map(this.mixins, function(name){ return lang.getObject(name); } );
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}else{
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this.mixins = [ _Widget, _TemplatedMixin, _WidgetsInTemplateMixin ];
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}
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propList._skipNodeCache = true;
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propList.templateString =
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"<"+srcType+" class='"+src.className+"'" +
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" data-dojo-attach-point='"+
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(src.getAttribute("data-dojo-attach-point") || src.getAttribute("dojoAttachPoint") || '')+
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"' data-dojo-attach-event='"+
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(src.getAttribute("data-dojo-attach-event") || src.getAttribute("dojoAttachEvent") || '')+
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"' >"+src.innerHTML.replace(/\%7B/g,"{").replace(/\%7D/g,"}")+"</"+srcType+">";
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// create the new widget class
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var wc = declare(
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this.widgetClass,
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this.mixins,
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propList
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);
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// Handle <script> blocks of form:
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// <script type="dojo/connect" data-dojo-event="foo">
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// and
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// <script type="dojo/method">
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// (Note that the second one is just shorthand for a dojo/connect to postscript)
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// Since this is a connect in the declaration, we are actually connection to the method
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// in the _prototype_.
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array.forEach(connects, function(s){
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var evt = s.getAttribute("event") || s.getAttribute("data-dojo-event") || "postscript",
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func = parser._functionFromScript(s);
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connect.connect(wc.prototype, evt, func);
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});
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}
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});
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});
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