lib/dijit/PopupMenuItem.js.uncompressed.js

   1 define("dijit/PopupMenuItem", [
   2         "dojo/_base/declare", // declare
   3         "dojo/dom-style", // domStyle.set
   4         "dojo/query", // query
   5         "dojo/_base/window", // win.body
   6         "./registry",   // registry.byNode
   7         "./MenuItem",
   8         "./hccss"
   9 ], function(declare, domStyle, query, win, registry, MenuItem){
  10
  11 /*=====
  12         var MenuItem = dijit.MenuItem;
  13 =====*/
  14
  15         // module:
  16         //              dijit/PopupMenuItem
  17         // summary:
  18         //              An item in a Menu that spawn a drop down (usually a drop down menu)
  19
  20         return declare("dijit.PopupMenuItem", MenuItem, {
  21                 // summary:
  22                 //              An item in a Menu that spawn a drop down (usually a drop down menu)
  23
  24                 _fillContent: function(){
  25                         // summary:
  26                         //              When Menu is declared in markup, this code gets the menu label and
  27                         //              the popup widget from the srcNodeRef.
  28                         // description:
  29                         //              srcNodeRefinnerHTML contains both the menu item text and a popup widget
  30                         //              The first part holds the menu item text and the second part is the popup
  31                         // example:
  32                         // |    <div data-dojo-type="dijit.PopupMenuItem">
  33                         // |            <span>pick me</span>
  34                         // |            <popup> ... </popup>
  35                         // |    </div>
  36                         // tags:
  37                         //              protected
  38
  39                         if(this.srcNodeRef){
  40                                 var nodes = query("*", this.srcNodeRef);
  41                                 this.inherited(arguments, [nodes[0]]);
  42
  43                                 // save pointer to srcNode so we can grab the drop down widget after it's instantiated
  44                                 this.dropDownContainer = this.srcNodeRef;
  45                         }
  46                 },
  47
  48                 startup: function(){
  49                         if(this._started){ return; }
  50                         this.inherited(arguments);
  51
  52                         // we didn't copy the dropdown widget from the this.srcNodeRef, so it's in no-man's
  53                         // land now.  move it to win.doc.body.
  54                         if(!this.popup){
  55                                 var node = query("[widgetId]", this.dropDownContainer)[0];
  56                                 this.popup = registry.byNode(node);
  57                         }
  58                         win.body().appendChild(this.popup.domNode);
  59                         this.popup.startup();
  60
  61                         this.popup.domNode.style.display="none";
  62                         if(this.arrowWrapper){
  63                                 domStyle.set(this.arrowWrapper, "visibility", "");
  64                         }
  65                         this.focusNode.setAttribute("aria-haspopup", "true");
  66                 },
  67
  68                 destroyDescendants: function(/*Boolean*/ preserveDom){
  69                         if(this.popup){
  70                                 // Destroy the popup, unless it's already been destroyed.  This can happen because
  71                                 // the popup is a direct child of <body> even though it's logically my child.
  72                                 if(!this.popup._destroyed){
  73                                         this.popup.destroyRecursive(preserveDom);
  74                                 }
  75                                 delete this.popup;
  76                         }
  77                         this.inherited(arguments);
  78                 }
  79         });
  80 });