71 lines
1.9 KiB
JavaScript
71 lines
1.9 KiB
JavaScript
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define("dijit/form/DataList", [
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"dojo/_base/declare", // declare
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"dojo/dom", // dom.byId
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"dojo/_base/lang", // lang.trim
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"dojo/query", // query
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"dojo/store/Memory",
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"../registry" // registry.add registry.remove
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], function(declare, dom, lang, query, MemoryStore, registry){
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// module:
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// dijit/form/DataList
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function toItem(/*DOMNode*/ option){
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// summary:
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// Convert `<option>` node to hash
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return {
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id: option.value,
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value: option.value,
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name: lang.trim(option.innerText || option.textContent || '')
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};
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}
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return declare("dijit.form.DataList", MemoryStore, {
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// summary:
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// Inefficient but small data store specialized for inlined data via OPTION tags
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//
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// description:
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// Provides a store for inlined data like:
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//
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// | <datalist>
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// | <option value="AL">Alabama</option>
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// | ...
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constructor: function(params, srcNodeRef){
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// summary:
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// Create the widget.
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// params: Object|null
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// Hash of initialization parameters for widget, including scalar values (like title, duration etc.)
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// and functions, typically callbacks like onClick.
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// The hash can contain any of the widget's properties, excluding read-only properties.
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// srcNodeRef: DOMNode|String
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// Attach widget to this DOM node.
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// store pointer to original DOM tree
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this.domNode = dom.byId(srcNodeRef);
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lang.mixin(this, params);
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if(this.id){
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registry.add(this); // add to registry so it can be easily found by id
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}
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this.domNode.style.display = "none";
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this.inherited(arguments, [{
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data: query("option", this.domNode).map(toItem)
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}]);
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},
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destroy: function(){
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registry.remove(this.id);
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},
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fetchSelectedItem: function(){
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// summary:
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// Get the option marked as selected, like `<option selected>`.
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// Not part of dojo.data API.
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var option = query("> option[selected]", this.domNode)[0] || query("> option", this.domNode)[0];
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return option && toItem(option);
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}
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});
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});
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