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41 lines
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<html><head><title>DataProxy.js</title><link rel="stylesheet" type="text/css" href="../resources/style.css" media="screen"/></head><body><h1>DataProxy.js</h1><pre class="highlighted"><code><i>/**
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* @class Ext.data.DataProxy
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* This class is an abstract base class <b>for</b> implementations which provide retrieval of
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* unformatted data objects.
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* <p>
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* DataProxy implementations are usually used <b>in</b> conjunction <b>with</b> an implementation of Ext.data.DataReader
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* (of the approriate type which knows how to parse the data object) to provide a block of Records
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* to an Ext.data.Store.
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* <p>
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* Custom implementations must implement the load method as described <b>in</b>
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* {@link Ext.data.HttpProxy#load}.
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*/</i>
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Ext.data.DataProxy = <b>function</b>(){
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<b>this</b>.addEvents({
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<i>/**
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* @event beforeload
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* Fires before a network request is made to retrieve a data object.
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* @param {Object} params The params parameter to the load <b>function</b>.
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*/</i>
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beforeload : true,
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<i>/**
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* @event load
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* Fires before the load method's callback is called.
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* @param {Object} o The data object.
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* @param {Object} arg The callback argument object passed to the load <b>function</b>.
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*/</i>
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load : true,
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<i>/**
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* @event loadexception
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* Fires <b>if</b> an Exception occurs during data retrieval.
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* @param {Object} o The data object.
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* @param {Object} arg The callback argument object passed to the load <b>function</b>.
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* @param {Object} e The Exception.
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*/</i>
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loadexception : true
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});
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Ext.data.DataProxy.superclass.constructor.call(<b>this</b>);
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};
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Ext.extend(Ext.data.DataProxy, Ext.util.Observable);</code></pre><hr><div style="font-size:10px;text-align:center;color:gray;">Ext - Copyright © 2006-2007 Ext JS, LLC<br />All rights reserved.</div>
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