/*!
- * Ext JS Library 3.2.1
- * Copyright(c) 2006-2010 Ext JS, Inc.
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
-/**
- * @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 = Ext.extend(Ext.data.DataWriter, {
- /**
- * @cfg {Boolean} encode true to {@link Ext.util.JSON#encode encode} the
- * {@link Ext.data.DataWriter#toHash hashed data}. Defaults to true. When using
- * {@link Ext.data.DirectProxy}, set this to false since Ext.Direct.JsonProvider will perform
- * its own json-encoding. In addition, if you're using {@link Ext.data.HttpProxy}, setting to false
- * will cause HttpProxy to transmit data using the jsonData configuration-params of {@link Ext.Ajax#request}
- * instead of params. 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 encode: false, as in
- * let the lower-level connection object (eg: Ext.Ajax) do the encoding.
- */
- encode : true,
- /**
- * @cfg {Boolean} encodeDelete False to send only the id to the server on delete, true to encode it in an object
- * literal, eg:
-{id: 1}
- *
Defaults to false
- */
- encodeDelete: false,
-
- constructor : function(config){
- Ext.data.JsonWriter.superclass.constructor.call(this, config);
- },
-
- /**
- * Final action of a write event. Apply the written data-object to params.
- * @param {Object} http params-object to write-to.
- * @param {Object} baseParams as defined by {@link Ext.data.Store#baseParams}. The baseParms must be encoded by the extending class, eg: {@link Ext.data.JsonWriter}, {@link Ext.data.XmlWriter}.
- * @param {Object/Object[]} data Data-object representing compiled Store-recordset.
- */
- render : function(params, baseParams, data) {
- if (this.encode === true) {
- // Encode here now.
- Ext.apply(params, baseParams);
- params[this.meta.root] = Ext.encode(data);
- } else {
- // defer encoding for some other layer, probably in {@link Ext.Ajax#request}. Place everything into "jsonData" key.
- var jdata = Ext.apply({}, baseParams);
- jdata[this.meta.root] = data;
- params.jsonData = jdata;
- }
- },
- /**
- * Implements abstract Ext.data.DataWriter#createRecord
- * @protected
- * @param {Ext.data.Record} rec
- * @return {Object}
- */
- createRecord : function(rec) {
- return this.toHash(rec);
- },
- /**
- * Implements abstract Ext.data.DataWriter#updateRecord
- * @protected
- * @param {Ext.data.Record} rec
- * @return {Object}
- */
- updateRecord : function(rec) {
- return this.toHash(rec);
-
- },
- /**
- * Implements abstract Ext.data.DataWriter#destroyRecord
- * @protected
- * @param {Ext.data.Record} rec
- * @return {Object}
- */
- destroyRecord : function(rec){
- if(this.encodeDelete){
- var data = {};
- data[this.meta.idProperty] = rec.id;
- return data;
- }else{
- return rec.id;
- }
- }
-});