lib/dijit/form/DataList.js.uncompressed.js

   1 define("dijit/form/DataList", [
   2         "dojo/_base/declare", // declare
   3         "dojo/dom", // dom.byId
   4         "dojo/_base/lang", // lang.trim
   5         "dojo/query", // query
   6         "dojo/store/Memory", // dojo.store.Memory
   7         "../registry"   // registry.add registry.remove
   8 ], function(declare, dom, lang, query, MemoryStore, registry){
   9
  10         // module:
  11         //              dijit/form/DataList
  12         // summary:
  13         //              Inefficient but small data store specialized for inlined data via OPTION tags
  14
  15         function toItem(/*DOMNode*/ option){
  16                 // summary:
  17                 //              Convert <option> node to hash
  18                 return {
  19                         id: option.value,
  20                         value: option.value,
  21                         name: lang.trim(option.innerText || option.textContent || '')
  22                 };
  23         }
  24
  25         return declare("dijit.form.DataList", MemoryStore, {
  26                 // summary:
  27                 //              Inefficient but small data store specialized for inlined data via OPTION tags
  28                 //
  29                 // description:
  30                 //              Provides a store for inlined data like:
  31                 //
  32                 //      |       <datalist>
  33                 //      |               <option value="AL">Alabama</option>
  34                 //      |               ...
  35
  36                 constructor: function(/*Object?*/ params, /*DomNode|String*/ srcNodeRef){
  37                         // store pointer to original DOM tree
  38                         this.domNode = dom.byId(srcNodeRef);
  39
  40                         lang.mixin(this, params);
  41                         if(this.id){
  42                                 registry.add(this); // add to registry so it can be easily found by id
  43                         }
  44                         this.domNode.style.display = "none";
  45
  46                         this.inherited(arguments, [{
  47                                 data: query("option", this.domNode).map(toItem)
  48                         }]);
  49                 },
  50
  51                 destroy: function(){
  52                         registry.remove(this.id);
  53                 },
  54
  55                 fetchSelectedItem: function(){
  56                         // summary:
  57                         //              Get the option marked as selected, like `<option selected>`.
  58                         //              Not part of dojo.data API.
  59                         var option = query("> option[selected]", this.domNode)[0] || query("> option", this.domNode)[0];
  60                         return option && toItem(option);
  61                 }
  62         });
  63 });