3 <title>The source code</title>
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8 <pre class="prettyprint lang-js">/*!
10 * Copyright(c) 2006-2009 Ext JS, LLC
12 * http://www.extjs.com/license
14 <div id="cls-Ext.data.DirectProxy"></div>/**
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15 * @class Ext.data.DirectProxy
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16 * @extends Ext.data.DataProxy
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18 Ext.data.DirectProxy = function(config){
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19 Ext.apply(this, config);
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20 if(typeof this.paramOrder == 'string'){
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21 this.paramOrder = this.paramOrder.split(/[\s,|]/);
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23 Ext.data.DirectProxy.superclass.constructor.call(this, config);
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26 Ext.extend(Ext.data.DirectProxy, Ext.data.DataProxy, {
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27 <div id="cfg-Ext.data.DirectProxy-paramOrder"></div>/**
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28 * @cfg {Array/String} paramOrder Defaults to <tt>undefined</tt>. A list of params to be executed
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29 * server side. Specify the params in the order in which they must be executed on the server-side
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30 * as either (1) an Array of String values, or (2) a String of params delimited by either whitespace,
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31 * comma, or pipe. For example,
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32 * any of the following would be acceptable:<pre><code>
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33 paramOrder: ['param1','param2','param3']
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34 paramOrder: 'param1 param2 param3'
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35 paramOrder: 'param1,param2,param3'
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36 paramOrder: 'param1|param2|param'
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39 paramOrder: undefined,
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41 <div id="cfg-Ext.data.DirectProxy-paramsAsHash"></div>/**
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42 * @cfg {Boolean} paramsAsHash
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43 * Send parameters as a collection of named arguments (defaults to <tt>true</tt>). Providing a
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44 * <tt>{@link #paramOrder}</tt> nullifies this configuration.
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48 <div id="cfg-Ext.data.DirectProxy-directFn"></div>/**
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49 * @cfg {Function} directFn
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50 * Function to call when executing a request. directFn is a simple alternative to defining the api configuration-parameter
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51 * for Store's which will not implement a full CRUD api.
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53 directFn : undefined,
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56 doRequest : function(action, rs, params, reader, callback, scope, options) {
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58 var directFn = this.api[action] || this.directFn;
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61 case Ext.data.Api.actions.create:
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62 args.push(params.jsonData[reader.meta.root]); // <-- create(Hash)
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64 case Ext.data.Api.actions.read:
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65 // If the method has no parameters, ignore the paramOrder/paramsAsHash.
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66 if(directFn.directCfg.method.len > 0){
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67 if(this.paramOrder){
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68 for(var i = 0, len = this.paramOrder.length; i < len; i++){
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69 args.push(params[this.paramOrder[i]]);
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71 }else if(this.paramsAsHash){
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76 case Ext.data.Api.actions.update:
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77 args.push(params.jsonData[reader.meta.root]); // <-- update(Hash/Hash[])
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79 case Ext.data.Api.actions.destroy:
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80 args.push(params.jsonData[reader.meta.root]); // <-- destroy(Int/Int[])
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85 params : params || {},
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87 callback : callback,
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94 args.push(this.createCallback(action, rs, trans), this);
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95 directFn.apply(window, args);
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99 createCallback : function(action, rs, trans) {
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100 return function(result, res) {
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102 // @deprecated fire loadexception
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103 if (action === Ext.data.Api.actions.read) {
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104 this.fireEvent("loadexception", this, trans, res, null);
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106 this.fireEvent('exception', this, 'remote', action, trans, res, null);
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107 trans.request.callback.call(trans.request.scope, null, trans.request.arg, false);
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110 if (action === Ext.data.Api.actions.read) {
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111 this.onRead(action, trans, result, res);
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113 this.onWrite(action, trans, result, res, rs);
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118 * Callback for read actions
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119 * @param {String} action [Ext.data.Api.actions.create|read|update|destroy]
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120 * @param {Object} trans The request transaction object
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121 * @param {Object} res The server response
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124 onRead : function(action, trans, result, res) {
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127 records = trans.reader.readRecords(result);
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130 // @deprecated: Fire old loadexception for backwards-compat.
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131 this.fireEvent("loadexception", this, trans, res, ex);
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133 this.fireEvent('exception', this, 'response', action, trans, res, ex);
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134 trans.request.callback.call(trans.request.scope, null, trans.request.arg, false);
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137 this.fireEvent("load", this, res, trans.request.arg);
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138 trans.request.callback.call(trans.request.scope, records, trans.request.arg, true);
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141 * Callback for write actions
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142 * @param {String} action [Ext.data.Api.actions.create|read|update|destroy]
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143 * @param {Object} trans The request transaction object
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144 * @param {Object} res The server response
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147 onWrite : function(action, trans, result, res, rs) {
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148 var data = trans.reader.extractData(result);
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149 this.fireEvent("write", this, action, data, res, rs, trans.request.arg);
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150 trans.request.callback.call(trans.request.scope, data, res, true);
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