JsonWriter.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:3k
源码类别:
中间件编程
开发平台:
JavaScript
- /*!
- * Ext JS Library 3.0.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * 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 = function(config) {
- Ext.data.JsonWriter.superclass.constructor.call(this, config);
- // careful to respect "returnJson", renamed to "encode"
- if (this.returnJson != undefined) {
- this.encode = this.returnJson;
- }
- }
- Ext.extend(Ext.data.JsonWriter, Ext.data.DataWriter, {
- /**
- * @cfg {Boolean} returnJson <b>Deprecated. Use {@link Ext.data.JsonWriter#encode} instead.
- */
- returnJson : undefined,
- /**
- * @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>
- */
- encode : true,
- /**
- * 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) {
- Ext.apply(params, data);
- if (this.encode === true) { // <-- @deprecated returnJson
- if (Ext.isArray(rs) && data[this.meta.idProperty]) {
- params[this.meta.idProperty] = Ext.encode(params[this.meta.idProperty]);
- }
- params[this.meta.root] = Ext.encode(params[this.meta.root]);
- }
- },
- /**
- * createRecord
- * @protected
- * @param {Ext.data.Record} rec
- */
- createRecord : function(rec) {
- return this.toHash(rec);
- },
- /**
- * updateRecord
- * @protected
- * @param {Ext.data.Record} rec
- */
- updateRecord : function(rec) {
- return this.toHash(rec);
- },
- /**
- * destroyRecord
- * @protected
- * @param {Ext.data.Record} rec
- */
- destroyRecord : function(rec) {
- return rec.id;
- }
- });