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         "../registry"   // registry.getEnclosingWidget
   9 ], function(array, declare, domAttr, event, lang, query, registry){
  10
  11         // module:
  12         //              dijit/form/_RadioButtonMixin
  13
  14         return declare("dijit.form._RadioButtonMixin", null, {
  15                 // summary:
  16                 //              Mixin to provide widget functionality for an HTML radio button
  17
  18                 // type: [private] String
  19                 //              type attribute on `<input>` node.
  20                 //              Users should not change this value.
  21                 type: "radio",
  22
  23                 _getRelatedWidgets: function(){
  24                         // Private function needed to help iterate over all radio buttons in a group.
  25                         var ary = [];
  26                         query("input[type=radio]", this.focusNode.form || this.ownerDocument).forEach( // can't use name= since query doesn't support [] in the name
  27                                 lang.hitch(this, function(inputNode){
  28                                         if(inputNode.name == this.name && inputNode.form == this.focusNode.form){
  29                                                 var widget = registry.getEnclosingWidget(inputNode);
  30                                                 if(widget){
  31                                                         ary.push(widget);
  32                                                 }
  33                                         }
  34                                 })
  35                         );
  36                         return ary;
  37                 },
  38
  39                 _setCheckedAttr: function(/*Boolean*/ value){
  40                         // If I am being checked then have to deselect currently checked radio button
  41                         this.inherited(arguments);
  42                         if(!this._created){ return; }
  43                         if(value){
  44                                 array.forEach(this._getRelatedWidgets(), lang.hitch(this, function(widget){
  45                                         if(widget != this && widget.checked){
  46                                                 widget.set('checked', false);
  47                                         }
  48                                 }));
  49                         }
  50                 },
  51
  52                 _getSubmitValue: function(/*String*/ value){
  53                         return value === null ? "on" : value;
  54                 },
  55
  56                 _onClick: function(/*Event*/ e){
  57                         if(this.checked || this.disabled){ // nothing to do
  58                                 event.stop(e);
  59                                 return false;
  60                         }
  61                         if(this.readOnly){ // ignored by some browsers so we have to resync the DOM elements with widget values
  62                                 event.stop(e);
  63                                 array.forEach(this._getRelatedWidgets(), lang.hitch(this, function(widget){
  64                                         domAttr.set(this.focusNode || this.domNode, 'checked', widget.checked);
  65                                 }));
  66                                 return false;
  67                         }
  68                         return this.inherited(arguments);
  69                 }
  70         });
  71 });