lib/dijit/form/_RadioButtonMixin.js.uncompressed.js

   1 define("dijit/form/_RadioButtonMixin", [
   2         "dojo/_base/array", // array.forEach
   3         "dojo/_base/declare", // declare
   4         "dojo/dom-attr", // domAttr.set
   5         "dojo/_base/event", // event.stop
   6         "dojo/_base/lang", // lang.hitch
   7         "dojo/query", // query
   8         "dojo/_base/window", // win.doc
   9         "../registry"   // registry.getEnclosingWidget
  10 ], function(array, declare, domAttr, event, lang, query, win, registry){
  11
  12         // module:
  13         //              dijit/form/_RadioButtonMixin
  14         // summary:
  15         //              Mixin to provide widget functionality for an HTML radio button
  16
  17         return declare("dijit.form._RadioButtonMixin", null, {
  18                 // summary:
  19                 //              Mixin to provide widget functionality for an HTML radio button
  20
  21                 // type: [private] String
  22                 //              type attribute on <input> node.
  23                 //              Users should not change this value.
  24                 type: "radio",
  25
  26                 _getRelatedWidgets: function(){
  27                         // Private function needed to help iterate over all radio buttons in a group.
  28                         var ary = [];
  29                         query("input[type=radio]", this.focusNode.form || win.doc).forEach( // can't use name= since query doesn't support [] in the name
  30                                 lang.hitch(this, function(inputNode){
  31                                         if(inputNode.name == this.name && inputNode.form == this.focusNode.form){
  32                                                 var widget = registry.getEnclosingWidget(inputNode);
  33                                                 if(widget){
  34                                                         ary.push(widget);
  35                                                 }
  36                                         }
  37                                 })
  38                         );
  39                         return ary;
  40                 },
  41
  42                 _setCheckedAttr: function(/*Boolean*/ value){
  43                         // If I am being checked then have to deselect currently checked radio button
  44                         this.inherited(arguments);
  45                         if(!this._created){ return; }
  46                         if(value){
  47                                 array.forEach(this._getRelatedWidgets(), lang.hitch(this, function(widget){
  48                                         if(widget != this && widget.checked){
  49                                                 widget.set('checked', false);
  50                                         }
  51                                 }));
  52                         }
  53                 },
  54
  55                 _onClick: function(/*Event*/ e){
  56                         if(this.checked || this.disabled){ // nothing to do
  57                                 event.stop(e);
  58                                 return false;
  59                         }
  60                         if(this.readOnly){ // ignored by some browsers so we have to resync the DOM elements with widget values
  61                                 event.stop(e);
  62                                 array.forEach(this._getRelatedWidgets(), lang.hitch(this, function(widget){
  63                                         domAttr.set(this.focusNode || this.domNode, 'checked', widget.checked);
  64                                 }));
  65                                 return false;
  66                         }
  67                         return this.inherited(arguments);
  68                 }
  69         });
  70 });