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- <pre class="prettyprint lang-js"><span id='Ext-util-HashMap-method-constructor'><span id='Ext-util-HashMap'>/**
-</span></span> * @class Ext.util.HashMap
+ <pre class="prettyprint lang-js"><span id='Ext-util-HashMap'>/**
+</span> * @class Ext.util.HashMap
* <p>
* Represents a collection of a set of key and value pairs. Each key in the HashMap
* must be unique, the same key cannot exist twice. Access to items is provided via
* there is no guarantee when iterating over the items that they will be in any particular
* order. If this is required, then use a {@link Ext.util.MixedCollection}.
* </p>
- * @constructor
- * @param {Object} config The configuration options
*/
Ext.define('Ext.util.HashMap', {
+ mixins: {
+ observable: 'Ext.util.Observable'
+ },
<span id='Ext-util-HashMap-cfg-keyFn'> /**
</span> * @cfg {Function} keyFn A function that is used to retrieve a default key for a passed object.
* if the add method is called with a single argument.
*/
- mixins: {
- observable: 'Ext.util.Observable'
- },
-
+<span id='Ext-util-HashMap-method-constructor'> /**
+</span> * Creates new HashMap.
+ * @param {Object} config (optional) Config object.
+ */
constructor: function(config) {
- var me = this;
+ config = config || {};
+
+ var me = this,
+ keyFn = config.keyFn;
me.addEvents(
<span id='Ext-util-HashMap-event-add'> /**
me.mixins.observable.constructor.call(me, config);
me.clear(true);
+
+ if (keyFn) {
+ me.getKey = keyFn;
+ }
},
<span id='Ext-util-HashMap-method-getCount'> /**
<span id='Ext-util-HashMap-method-getKey'> /**
</span> * Extracts the key from an object. This is a default implementation, it may be overridden
- * @private
* @param {Object} o The object to get the key from
* @return {String} The key to use.
*/
}
if (me.containsKey(key)) {
- me.replace(key, value);
+ return me.replace(key, value);
}
data = me.getData(key, value);