add extjs 6.0.1 sources

[extjs.git] / extjs / packages / core / src / util / ItemCollection.js

/**\r
 * @private\r
 */\r
Ext.define('Ext.util.ItemCollection', {\r
    extend: 'Ext.util.MixedCollection',\r
    alternateClassName: 'Ext.ItemCollection',\r
\r
    getKey: function(item) {\r
        return item.getItemId && item.getItemId();\r
    },\r
\r
    has: function(item) {\r
        return this.map.hasOwnProperty(item.getId());\r
    }\r
});\r