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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