| 1 | /*! |
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| 2 | * Ext JS Library 3.0.0 |
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| 3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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| 4 | * licensing@extjs.com |
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| 5 | * http://www.extjs.com/license |
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| 6 | */ |
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| 7 | /** |
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| 8 | * @class Ext.data.JsonWriter |
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| 9 | * @extends Ext.data.DataWriter |
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| 10 | * DataWriter extension for writing an array or single {@link Ext.data.Record} object(s) in preparation for executing a remote CRUD action. |
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| 11 | */ |
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| 12 | Ext.data.JsonWriter = function(config) { |
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| 13 | Ext.data.JsonWriter.superclass.constructor.call(this, config); |
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| 14 | // careful to respect "returnJson", renamed to "encode" |
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| 15 | if (this.returnJson != undefined) { |
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| 16 | this.encode = this.returnJson; |
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| 17 | } |
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| 18 | } |
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| 19 | Ext.extend(Ext.data.JsonWriter, Ext.data.DataWriter, { |
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| 20 | /** |
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| 21 | * @cfg {Boolean} returnJson <b>Deprecated. Use {@link Ext.data.JsonWriter#encode} instead. |
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| 22 | */ |
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| 23 | returnJson : undefined, |
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| 24 | /** |
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| 25 | * @cfg {Boolean} encode <tt>true</tt> to {@link Ext.util.JSON#encode encode} the |
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| 26 | * {@link Ext.data.DataWriter#toHash hashed data}. Defaults to <tt>true</tt>. When using |
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| 27 | * {@link Ext.data.DirectProxy}, set this to <tt>false</tt> since Ext.Direct.JsonProvider will perform |
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| 28 | * its own json-encoding. In addition, if you're using {@link Ext.data.HttpProxy}, setting to <tt>false</tt> |
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| 29 | * will cause HttpProxy to transmit data using the <b>jsonData</b> configuration-params of {@link Ext.Ajax#request} |
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| 30 | * instead of <b>params</b>. When using a {@link Ext.data.Store#restful} Store, some serverside frameworks are |
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| 31 | * tuned to expect data through the jsonData mechanism. In those cases, one will want to set <b>encode: <tt>false</tt></b> |
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| 32 | */ |
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| 33 | encode : true, |
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| 34 | |
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| 35 | /** |
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| 36 | * Final action of a write event. Apply the written data-object to params. |
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| 37 | * @param {String} action [Ext.data.Api.actions.create|read|update|destroy] |
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| 38 | * @param {Record[]} rs |
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| 39 | * @param {Object} http params |
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| 40 | * @param {Object} data object populated according to DataReader meta-data "root" and "idProperty" |
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| 41 | */ |
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| 42 | render : function(action, rs, params, data) { |
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| 43 | Ext.apply(params, data); |
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| 44 | |
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| 45 | if (this.encode === true) { // <-- @deprecated returnJson |
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| 46 | if (Ext.isArray(rs) && data[this.meta.idProperty]) { |
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| 47 | params[this.meta.idProperty] = Ext.encode(params[this.meta.idProperty]); |
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| 48 | } |
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| 49 | params[this.meta.root] = Ext.encode(params[this.meta.root]); |
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| 50 | } |
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| 51 | }, |
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| 52 | /** |
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| 53 | * createRecord |
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| 54 | * @protected |
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| 55 | * @param {Ext.data.Record} rec |
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| 56 | */ |
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| 57 | createRecord : function(rec) { |
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| 58 | return this.toHash(rec); |
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| 59 | }, |
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| 60 | /** |
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| 61 | * updateRecord |
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| 62 | * @protected |
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| 63 | * @param {Ext.data.Record} rec |
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| 64 | */ |
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| 65 | updateRecord : function(rec) { |
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| 66 | return this.toHash(rec); |
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| 67 | |
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| 68 | }, |
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| 69 | /** |
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| 70 | * destroyRecord |
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| 71 | * @protected |
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| 72 | * @param {Ext.data.Record} rec |
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| 73 | */ |
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| 74 | destroyRecord : function(rec) { |
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| 75 | return rec.id; |
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| 76 | } |
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| 77 | }); |
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