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- <title>The source code</title>
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- <pre class="prettyprint lang-js">Ext.namespace('Ext.ux.menu');\r
-\r
-<div id="cls-Ext.ux.menu.ListMenu"></div>/** \r
- * @class Ext.ux.menu.ListMenu\r
- * @extends Ext.menu.Menu\r
- * This is a supporting class for {@link Ext.ux.grid.filter.ListFilter}.\r
- * Although not listed as configuration options for this class, this class\r
- * also accepts all configuration options from {@link Ext.ux.grid.filter.ListFilter}.\r
- */\r
-Ext.ux.menu.ListMenu = Ext.extend(Ext.menu.Menu, {\r
- <div id="cfg-Ext.ux.menu.ListMenu-labelField"></div>/**\r
- * @cfg {String} labelField\r
- * Defaults to 'text'.\r
- */\r
- labelField : 'text',\r
- <div id="cfg-Ext.ux.menu.ListMenu-paramPrefix"></div>/**\r
- * @cfg {String} paramPrefix\r
- * Defaults to 'Loading...'.\r
- */\r
- loadingText : 'Loading...',\r
- <div id="cfg-Ext.ux.menu.ListMenu-loadOnShow"></div>/**\r
- * @cfg {Boolean} loadOnShow\r
- * Defaults to true.\r
- */\r
- loadOnShow : true,\r
- <div id="cfg-Ext.ux.menu.ListMenu-single"></div>/**\r
- * @cfg {Boolean} single\r
- * Specify true to group all items in this list into a single-select\r
- * radio button group. Defaults to false.\r
- */\r
- single : false,\r
-\r
- constructor : function (cfg) {\r
- this.selected = [];\r
- this.addEvents(\r
- <div id="event-Ext.ux.menu.ListMenu-checkchange"></div>/**\r
- * @event checkchange\r
- * Fires when there is a change in checked items from this list\r
- * @param {Object} item Ext.menu.CheckItem\r
- * @param {Object} checked The checked value that was set\r
- */\r
- 'checkchange'\r
- );\r
- \r
- Ext.ux.menu.ListMenu.superclass.constructor.call(this, cfg = cfg || {});\r
- \r
- if(!cfg.store && cfg.options){\r
- var options = [];\r
- for(var i=0, len=cfg.options.length; i<len; i++){\r
- var value = cfg.options[i];\r
- switch(Ext.type(value)){\r
- case 'array': options.push(value); break;\r
- case 'object': options.push([value.id, value[this.labelField]]); break;\r
- case 'string': options.push([value, value]); break;\r
- }\r
- }\r
- \r
- this.store = new Ext.data.Store({\r
- reader: new Ext.data.ArrayReader({id: 0}, ['id', this.labelField]),\r
- data: options,\r
- listeners: {\r
- 'load': this.onLoad,\r
- scope: this\r
- }\r
- });\r
- this.loaded = true;\r
- } else {\r
- this.add({text: this.loadingText, iconCls: 'loading-indicator'});\r
- this.store.on('load', this.onLoad, this);\r
- }\r
- },\r
-\r
- destroy : function () {\r
- if (this.store) {\r
- this.store.destroy(); \r
- }\r
- Ext.ux.menu.ListMenu.superclass.destroy.call(this);\r
- },\r
-\r
- <div id="method-Ext.ux.menu.ListMenu-show"></div>/**\r
- * Lists will initially show a 'loading' item while the data is retrieved from the store.\r
- * In some cases the loaded data will result in a list that goes off the screen to the\r
- * right (as placement calculations were done with the loading item). This adapter will\r
- * allow show to be called with no arguments to show with the previous arguments and\r
- * thus recalculate the width and potentially hang the menu from the left.\r
- */\r
- show : function () {\r
- var lastArgs = null;\r
- return function(){\r
- if(arguments.length === 0){\r
- Ext.ux.menu.ListMenu.superclass.show.apply(this, lastArgs);\r
- } else {\r
- lastArgs = arguments;\r
- if (this.loadOnShow && !this.loaded) {\r
- this.store.load();\r
- }\r
- Ext.ux.menu.ListMenu.superclass.show.apply(this, arguments);\r
- }\r
- };\r
- }(),\r
- \r
- /** @private */\r
- onLoad : function (store, records) {\r
- var visible = this.isVisible();\r
- this.hide(false);\r
- \r
- this.removeAll(true);\r
- \r
- var gid = this.single ? Ext.id() : null;\r
- for(var i=0, len=records.length; i<len; i++){\r
- var item = new Ext.menu.CheckItem({\r
- text: records[i].get(this.labelField), \r
- group: gid,\r
- checked: this.selected.indexOf(records[i].id) > -1,\r
- hideOnClick: false});\r
- \r
- item.itemId = records[i].id;\r
- item.on('checkchange', this.checkChange, this);\r
- \r
- this.add(item);\r
- }\r
- \r
- this.loaded = true;\r
- \r
- if (visible) {\r
- this.show();\r
- } \r
- this.fireEvent('load', this, records);\r
- },\r
-\r
- <div id="method-Ext.ux.menu.ListMenu-getSelected"></div>/**\r
- * Get the selected items.\r
- * @return {Array} selected\r
- */\r
- getSelected : function () {\r
- return this.selected;\r
- },\r
- \r
- /** @private */\r
- setSelected : function (value) {\r
- value = this.selected = [].concat(value);\r
-\r
- if (this.loaded) {\r
- this.items.each(function(item){\r
- item.setChecked(false, true);\r
- for (var i = 0, len = value.length; i < len; i++) {\r
- if (item.itemId == value[i]) {\r
- item.setChecked(true, true);\r
- }\r
- }\r
- }, this);\r
- }\r
- },\r
- \r
- <div id="method-Ext.ux.menu.ListMenu-checkChange"></div>/**\r
- * Handler for the 'checkchange' event from an check item in this menu\r
- * @param {Object} item Ext.menu.CheckItem\r
- * @param {Object} checked The checked value that was set\r
- */\r
- checkChange : function (item, checked) {\r
- var value = [];\r
- this.items.each(function(item){\r
- if (item.checked) {\r
- value.push(item.itemId);\r
- }\r
- },this);\r
- this.selected = value;\r
- \r
- this.fireEvent('checkchange', item, checked);\r
- } \r
-});</pre>
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