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<title>The source code</title>
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<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.0.3
* Copyright(c) 2006-2009 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
<div id="cls-Ext.data.JsonWriter"></div>/**
* @class Ext.data.JsonWriter
* @extends Ext.data.DataWriter
* DataWriter extension for writing an array or single {@link Ext.data.Record} object(s) in preparation for executing a remote CRUD action.
*/
Ext.data.JsonWriter = function(config) {
Ext.data.JsonWriter.superclass.constructor.call(this, config);
// careful to respect "returnJson", renamed to "encode"
// TODO: remove after v3 final release
if (this.returnJson != undefined) {
this.encode = this.returnJson;
}
}
Ext.extend(Ext.data.JsonWriter, Ext.data.DataWriter, {
<div id="cfg-Ext.data.JsonWriter-returnJson"></div>/**
* @cfg {Boolean} returnJson <b>Deprecated</b>. Use {@link Ext.data.JsonWriter#encode} instead.
*/
returnJson : undefined,
<div id="cfg-Ext.data.JsonWriter-encode"></div>/**
* @cfg {Boolean} encode <tt>true</tt> to {@link Ext.util.JSON#encode encode} the
* {@link Ext.data.DataWriter#toHash hashed data}. Defaults to <tt>true</tt>. When using
* {@link Ext.data.DirectProxy}, set this to <tt>false</tt> since Ext.Direct.JsonProvider will perform
* its own json-encoding. In addition, if you're using {@link Ext.data.HttpProxy}, setting to <tt>false</tt>
* will cause HttpProxy to transmit data using the <b>jsonData</b> configuration-params of {@link Ext.Ajax#request}
* instead of <b>params</b>. When using a {@link Ext.data.Store#restful} Store, some serverside frameworks are
* tuned to expect data through the jsonData mechanism. In those cases, one will want to set <b>encode: <tt>false</tt></b>, as in
* let the lower-level connection object (eg: Ext.Ajax) do the encoding.
*/
encode : true,
<div id="method-Ext.data.JsonWriter-render"></div>/**
* Final action of a write event. Apply the written data-object to params.
* @param {String} action [Ext.data.Api.actions.create|read|update|destroy]
* @param {Record[]} rs
* @param {Object} http params
* @param {Object} data object populated according to DataReader meta-data "root" and "idProperty"
*/
render : function(action, rs, params, data) {
if (this.encode === true) {
params[this.meta.root] = Ext.encode(data);
} else {
params.jsonData = {};
params.jsonData[this.meta.root] = data;
}
},
<div id="method-Ext.data.JsonWriter-createRecord"></div>/**
* Implements abstract Ext.data.DataWriter#createRecord
* @protected
* @param {Ext.data.Record} rec
* @return {Object}
*/
createRecord : function(rec) {
return this.toHash(rec);
},
<div id="method-Ext.data.JsonWriter-updateRecord"></div>/**
* Implements abstract Ext.data.DataWriter#updateRecord
* @protected
* @param {Ext.data.Record} rec
* @return {Object}
*/
updateRecord : function(rec) {
return this.toHash(rec);
},
<div id="method-Ext.data.JsonWriter-destroyRecord"></div>/**
* Implements abstract Ext.data.DataWriter#destroyRecord
* @protected
* @param {Ext.data.Record} rec
* @return {Object}
*/
destroyRecord : function(rec) {
return rec.id;
}
});</pre>
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