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.DirectProxy |
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9 | * @extends Ext.data.DataProxy |
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10 | */ |
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11 | Ext.data.DirectProxy = function(config){ |
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12 | Ext.apply(this, config); |
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13 | if(typeof this.paramOrder == 'string'){ |
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14 | this.paramOrder = this.paramOrder.split(/[\s,|]/); |
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15 | } |
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16 | Ext.data.DirectProxy.superclass.constructor.call(this, config); |
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17 | }; |
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18 | |
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19 | Ext.extend(Ext.data.DirectProxy, Ext.data.DataProxy, { |
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20 | /** |
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21 | * @cfg {Array/String} paramOrder Defaults to <tt>undefined</tt>. A list of params to be executed |
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22 | * server side. Specify the params in the order in which they must be executed on the server-side |
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23 | * as either (1) an Array of String values, or (2) a String of params delimited by either whitespace, |
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24 | * comma, or pipe. For example, |
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25 | * any of the following would be acceptable:<pre><code> |
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26 | paramOrder: ['param1','param2','param3'] |
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27 | paramOrder: 'param1 param2 param3' |
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28 | paramOrder: 'param1,param2,param3' |
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29 | paramOrder: 'param1|param2|param' |
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30 | </code></pre> |
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31 | */ |
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32 | paramOrder: undefined, |
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33 | |
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34 | /** |
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35 | * @cfg {Boolean} paramsAsHash |
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36 | * Send parameters as a collection of named arguments (defaults to <tt>true</tt>). Providing a |
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37 | * <tt>{@link #paramOrder}</tt> nullifies this configuration. |
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38 | */ |
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39 | paramsAsHash: true, |
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40 | |
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41 | /** |
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42 | * @cfg {Function} directFn |
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43 | * Function to call when executing a request. directFn is a simple alternative to defining the api configuration-parameter |
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44 | * for Store's which will not implement a full CRUD api. |
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45 | */ |
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46 | directFn : undefined, |
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47 | |
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48 | // protected |
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49 | doRequest : function(action, rs, params, reader, callback, scope, options) { |
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50 | var args = []; |
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51 | var directFn = this.api[action] || this.directFn; |
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52 | |
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53 | switch (action) { |
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54 | case Ext.data.Api.actions.create: |
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55 | args.push(params[reader.meta.root]); // <-- create(Hash) |
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56 | break; |
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57 | case Ext.data.Api.actions.read: |
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58 | if(this.paramOrder){ |
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59 | for(var i = 0, len = this.paramOrder.length; i < len; i++){ |
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60 | args.push(params[this.paramOrder[i]]); |
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61 | } |
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62 | }else if(this.paramsAsHash){ |
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63 | args.push(params); |
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64 | } |
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65 | break; |
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66 | case Ext.data.Api.actions.update: |
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67 | args.push(params[reader.meta.idProperty]); // <-- save(Integer/Integer[], Hash/Hash[]) |
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68 | args.push(params[reader.meta.root]); |
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69 | break; |
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70 | case Ext.data.Api.actions.destroy: |
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71 | args.push(params[reader.meta.root]); // <-- destroy(Int/Int[]) |
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72 | break; |
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73 | } |
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74 | |
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75 | var trans = { |
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76 | params : params || {}, |
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77 | callback : callback, |
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78 | scope : scope, |
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79 | arg : options, |
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80 | reader: reader |
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81 | }; |
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82 | |
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83 | args.push(this.createCallback(action, rs, trans), this); |
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84 | directFn.apply(window, args); |
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85 | }, |
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86 | |
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87 | // private |
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88 | createCallback : function(action, rs, trans) { |
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89 | return function(result, res) { |
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90 | if (!res.status) { |
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91 | // @deprecated fire loadexception |
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92 | if (action === Ext.data.Api.actions.read) { |
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93 | this.fireEvent("loadexception", this, trans, res, null); |
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94 | } |
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95 | this.fireEvent('exception', this, 'remote', action, trans, res, null); |
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96 | trans.callback.call(trans.scope, null, trans.arg, false); |
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97 | return; |
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98 | } |
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99 | if (action === Ext.data.Api.actions.read) { |
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100 | this.onRead(action, trans, result, res); |
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101 | } else { |
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102 | this.onWrite(action, trans, result, res, rs); |
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103 | } |
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104 | }; |
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105 | }, |
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106 | /** |
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107 | * Callback for read actions |
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108 | * @param {String} action [Ext.data.Api.actions.create|read|update|destroy] |
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109 | * @param {Object} trans The request transaction object |
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110 | * @param {Object} res The server response |
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111 | * @private |
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112 | */ |
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113 | onRead : function(action, trans, result, res) { |
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114 | var records; |
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115 | try { |
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116 | records = trans.reader.readRecords(result); |
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117 | } |
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118 | catch (ex) { |
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119 | // @deprecated: Fire old loadexception for backwards-compat. |
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120 | this.fireEvent("loadexception", this, trans, res, ex); |
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121 | |
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122 | this.fireEvent('exception', this, 'response', action, trans, res, ex); |
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123 | trans.callback.call(trans.scope, null, trans.arg, false); |
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124 | return; |
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125 | } |
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126 | this.fireEvent("load", this, res, trans.arg); |
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127 | trans.callback.call(trans.scope, records, trans.arg, true); |
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128 | }, |
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129 | /** |
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130 | * Callback for write actions |
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131 | * @param {String} action [Ext.data.Api.actions.create|read|update|destroy] |
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132 | * @param {Object} trans The request transaction object |
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133 | * @param {Object} res The server response |
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134 | * @private |
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135 | */ |
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136 | onWrite : function(action, trans, result, res, rs) { |
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137 | this.fireEvent("write", this, action, result, res, rs, trans.arg); |
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138 | trans.callback.call(trans.scope, result, res, true); |
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139 | } |
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140 | }); |
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141 | |
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