lib/dijit/_WidgetsInTemplateMixin.js.uncompressed.js

   1 define("dijit/_WidgetsInTemplateMixin", [
   2         "dojo/_base/array", // array.forEach
   3         "dojo/_base/declare", // declare
   4         "dojo/parser" // parser.parse
   5 ], function(array, declare, parser){
   6
   7         // module:
   8         //              dijit/_WidgetsInTemplateMixin
   9
  10         return declare("dijit._WidgetsInTemplateMixin", null, {
  11                 // summary:
  12                 //              Mixin to supplement _TemplatedMixin when template contains widgets
  13
  14                 // _earlyTemplatedStartup: Boolean
  15                 //              A fallback to preserve the 1.0 - 1.3 behavior of children in
  16                 //              templates having their startup called before the parent widget
  17                 //              fires postCreate. Defaults to 'false', causing child widgets to
  18                 //              have their .startup() called immediately before a parent widget
  19                 //              .startup(), but always after the parent .postCreate(). Set to
  20                 //              'true' to re-enable to previous, arguably broken, behavior.
  21                 _earlyTemplatedStartup: false,
  22
  23                 // widgetsInTemplate: [protected] Boolean
  24                 //              Should we parse the template to find widgets that might be
  25                 //              declared in markup inside it?  (Remove for 2.0 and assume true)
  26                 widgetsInTemplate: true,
  27
  28                 _beforeFillContent: function(){
  29                         if(this.widgetsInTemplate){
  30                                 // Before copying over content, instantiate widgets in template
  31                                 var node = this.domNode;
  32
  33                                 var cw = (this._startupWidgets = parser.parse(node, {
  34                                         noStart: !this._earlyTemplatedStartup,
  35                                         template: true,
  36                                         inherited: {dir: this.dir, lang: this.lang, textDir: this.textDir},
  37                                         propsThis: this,        // so data-dojo-props of widgets in the template can reference "this" to refer to me
  38                                         scope: "dojo"   // even in multi-version mode templates use dojoType/data-dojo-type
  39                                 }));
  40
  41                                 if(!cw.isFulfilled()){
  42                                         throw new Error(this.declaredClass + ": parser returned unfilled promise (probably waiting for module auto-load), " +
  43                                                 "unsupported by _WidgetsInTemplateMixin.   Must pre-load all supporting widgets before instantiation.");
  44                                 }
  45
  46                                 // _WidgetBase::destroy() will destroy any supporting widgets under this.domNode.
  47                                 // If we wanted to, we could call this.own() on anything in this._startupWidgets that was moved outside
  48                                 // of this.domNode (like Dialog, which is moved to <body>).
  49
  50                                 this._attachTemplateNodes(cw, function(n,p){
  51                                         return n[p];
  52                                 });
  53                         }
  54                 },
  55
  56                 startup: function(){
  57                         array.forEach(this._startupWidgets, function(w){
  58                                 if(w && !w._started && w.startup){
  59                                         w.startup();
  60                                 }
  61                         });
  62                         this.inherited(arguments);
  63                 }
  64         });
  65 });