1 | <div class="body-wrap"> |
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2 | <div class="top-tools"> |
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3 | <a class="inner-link" href="#Ext.data.Record-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a> |
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4 | <a class="inner-link" href="#Ext.data.Record-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a> |
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5 | <a class="inner-link" href="#Ext.data.Record-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a> |
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6 | <a class="bookmark" href="../docs/?class=Ext.data.Record"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a> |
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7 | </div> |
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8 | <h1>Class Ext.data.Record</h1> |
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9 | <table cellspacing="0"> |
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10 | <tr><td class="label">Package:</td><td class="hd-info">Ext.data</td></tr> |
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11 | <tr><td class="label">Defined In:</td><td class="hd-info"><a href="../src/Record.js" target="_blank">Record.js</a></td></tr> |
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12 | <tr><td class="label">Class:</td><td class="hd-info">Record</td></tr> |
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13 | <tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr> |
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14 | </table> |
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15 | <div class="description"> |
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16 | * |
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17 | <p>Instances of this class encapsulate both Record <em>definition</em> information, and Record |
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18 | <em>value</em> information for use in <a ext:cls="Ext.data.Store" href="output/Ext.data.Store.html">Ext.data.Store</a> objects, or any code which needs |
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19 | to access Records cached in an <a ext:cls="Ext.data.Store" href="output/Ext.data.Store.html">Ext.data.Store</a> object.</p> |
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20 | <p>Constructors for this class are generated by passing an Array of field definition objects to <a ext:cls="Ext.data.Record" ext:member="create" href="output/Ext.data.Record.html#create">create</a>. |
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21 | Instances are usually only created by <a ext:cls="Ext.data.Reader" href="output/Ext.data.Reader.html">Ext.data.Reader</a> implementations when processing unformatted data |
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22 | objects.</p> |
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23 | <p>Note that an instance of a Record class may only belong to one <a ext:cls="Ext.data.Store" href="output/Ext.data.Store.html">Store</a> at a time. |
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24 | In order to copy data from one Store to another, use the <a ext:cls="Ext.data.Record" ext:member="copy" href="output/Ext.data.Record.html#copy">copy</a> method to create an exact |
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25 | copy of the Record, and insert the new instance into the other Store.</p> |
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26 | <p>When serializing a Record for submission to the server, be aware that it contains many private |
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27 | properties, and also a reference to its owning Store which in turn holds references to its Records. |
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28 | This means that a Record may not be encoded using <a ext:cls="Ext.util.JSON.encode" href="output/Ext.util.JSON.encode.html">Ext.util.JSON.encode</a>. Instead, use the |
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29 | <a ext:cls="data" href="output/data.html">data</a> and <a ext:cls="id" href="output/id.html">id</a> properties.</p> |
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30 | Record objects generated by this constructor inherit all the methods of Ext.data.Record listed below. </div> |
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31 | |
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32 | <div class="hr"></div> |
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33 | <a id="Ext.data.Record-props"></a> |
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34 | <h2>Public Properties</h2> |
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35 | <table cellspacing="0" class="member-table"> |
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36 | <tr> |
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37 | <th class="sig-header" colspan="2">Property</th> |
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38 | <th class="msource-header">Defined By</th> |
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39 | </tr> |
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40 | <tr class="property-row expandable"> |
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41 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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42 | <td class="sig"> |
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43 | <a id="Ext.data.Record-data"></a> |
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44 | <b>data</b> : Object <div class="mdesc"> |
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45 | <div class="short"> |
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46 | An object hash representing the data for this Record. Every field name in the Record definition |
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47 | is represented by a ...</div> |
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48 | <div class="long"> |
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49 | |
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50 | An object hash representing the data for this Record. Every field name in the Record definition |
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51 | is represented by a property of that name in this object. Note that unless you specified a field |
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52 | with name "id" in the Record definition, this will <b>not</b> contain an <tt>id</tt> property. </div> |
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53 | </div> |
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54 | </td> |
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55 | <td class="msource">Record</td> |
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56 | </tr> |
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57 | <tr class="property-row alt"> |
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58 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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59 | <td class="sig"> |
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60 | <a id="Ext.data.Record-dirty"></a> |
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61 | <b>dirty</b> : Boolean <div class="mdesc"> |
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62 | |
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63 | Readonly flag - true if this Record has been modified. </div> |
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64 | </td> |
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65 | <td class="msource">Record</td> |
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66 | </tr> |
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67 | <tr class="property-row expandable"> |
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68 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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69 | <td class="sig"> |
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70 | <a id="Ext.data.Record-fields"></a> |
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71 | <b>fields</b> : Ext.util.MixedCollection <div class="mdesc"> |
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72 | <div class="short">This property is stored in the Record definition's prototype |
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73 | A MixedCollection containing the defined Fields for this...</div> |
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74 | <div class="long"> |
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75 | <p><b>This property is stored in the Record definition's <u>prototype</u></b></p> |
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76 | A MixedCollection containing the defined <a ext:cls="Ext.data.Field" href="output/Ext.data.Field.html">Field</a>s for this Record. Read-only. </div> |
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77 | </div> |
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78 | </td> |
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79 | <td class="msource">Record</td> |
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80 | </tr> |
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81 | <tr class="property-row alt"> |
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82 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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83 | <td class="sig"> |
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84 | <a id="Ext.data.Record-id"></a> |
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85 | <b>id</b> : Object <div class="mdesc"> |
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86 | |
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87 | The unique ID of the Record as specified at construction time. </div> |
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88 | </td> |
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89 | <td class="msource">Record</td> |
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90 | </tr> |
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91 | <tr class="property-row expandable"> |
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92 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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93 | <td class="sig"> |
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94 | <a id="Ext.data.Record-modified"></a> |
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95 | <b>modified</b> : Object <div class="mdesc"> |
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96 | <div class="short">This object contains a key and value storing the original values of all modified fields or is null if no fields have ...</div> |
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97 | <div class="long"> |
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98 | This object contains a key and value storing the original values of all modified fields or is null if no fields have been modified. </div> |
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99 | </div> |
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100 | </td> |
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101 | <td class="msource">Record</td> |
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102 | </tr> |
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103 | </table> |
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104 | <a id="Ext.data.Record-methods"></a> |
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105 | <h2>Public Methods</h2> |
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106 | <table cellspacing="0" class="member-table"> |
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107 | <tr> |
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108 | <th class="sig-header" colspan="2">Method</th> |
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109 | <th class="msource-header">Defined By</th> |
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110 | </tr> |
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111 | <tr class="method-row expandable"> |
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112 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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113 | <td class="sig"> |
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114 | <a id="Ext.data.Record-Record"></a> |
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115 | <b>Record</b>( <code>Array data</code>, <span class="optional" title="Optional">[<code>Object id</code>]</span> ) <div class="mdesc"> |
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116 | <div class="short">This constructor should not be used to create Record objects. Instead, use the constructor generated by |
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117 | create. The p...</div> |
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118 | <div class="long"> |
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119 | This constructor should not be used to create Record objects. Instead, use the constructor generated by |
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120 | <a ext:cls="Ext.data.Record" ext:member="create" href="output/Ext.data.Record.html#create">create</a>. The parameters are the same. <div class="mdetail-params"> |
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121 | <strong>Parameters:</strong> |
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122 | <ul><li><code>data</code> : Array<div class="sub-desc">An object, the properties of which provide values for the new Record's fields.</div></li><li><code>id</code> : Object<div class="sub-desc">(Optional) The id of the Record. This id should be unique, and is used by the |
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123 | <a ext:cls="Ext.data.Store" href="output/Ext.data.Store.html">Ext.data.Store</a> object which owns the Record to index its collection of Records. If |
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124 | not specified an integer id is generated.</div></li> </ul> |
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125 | <strong>Returns:</strong> |
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126 | <ul> |
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127 | <li><code></code></li> |
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128 | </ul> |
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129 | </div> |
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130 | </div> |
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131 | </div> |
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132 | </td> |
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133 | <td class="msource">Record</td> |
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134 | </tr> |
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135 | <tr class="method-row alt expandable"> |
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136 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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137 | <td class="sig"> |
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138 | <a id="Ext.data.Record-beginEdit"></a> |
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139 | <b>beginEdit</b>() : void <div class="mdesc"> |
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140 | <div class="short">Begin an edit. While in edit mode, no events are relayed to the containing store.</div> |
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141 | <div class="long"> |
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142 | Begin an edit. While in edit mode, no events are relayed to the containing store. <div class="mdetail-params"> |
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143 | <strong>Parameters:</strong> |
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144 | <ul><li>None.</li> </ul> |
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145 | <strong>Returns:</strong> |
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146 | <ul> |
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147 | <li><code>void</code></li> |
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148 | </ul> |
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149 | </div> |
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150 | </div> |
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151 | </div> |
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152 | </td> |
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153 | <td class="msource">Record</td> |
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154 | </tr> |
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155 | <tr class="method-row expandable"> |
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156 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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157 | <td class="sig"> |
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158 | <a id="Ext.data.Record-cancelEdit"></a> |
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159 | <b>cancelEdit</b>() : void <div class="mdesc"> |
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160 | <div class="short">Cancels all changes made in the current edit operation.</div> |
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161 | <div class="long"> |
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162 | Cancels all changes made in the current edit operation. <div class="mdetail-params"> |
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163 | <strong>Parameters:</strong> |
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164 | <ul><li>None.</li> </ul> |
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165 | <strong>Returns:</strong> |
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166 | <ul> |
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167 | <li><code>void</code></li> |
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168 | </ul> |
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169 | </div> |
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170 | </div> |
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171 | </div> |
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172 | </td> |
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173 | <td class="msource">Record</td> |
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174 | </tr> |
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175 | <tr class="method-row alt expandable"> |
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176 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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177 | <td class="sig"> |
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178 | <a id="Ext.data.Record-commit"></a> |
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179 | <b>commit</b>( <span class="optional" title="Optional">[<code>Boolean silent</code>]</span> ) : void <div class="mdesc"> |
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180 | <div class="short">Usually called by the Ext.data.Store which owns the Record. |
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181 | Commits all changes made to the Record since either creat...</div> |
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182 | <div class="long"> |
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183 | Usually called by the <a ext:cls="Ext.data.Store" href="output/Ext.data.Store.html">Ext.data.Store</a> which owns the Record. |
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184 | Commits all changes made to the Record since either creation, or the last commit operation. |
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185 | <p> |
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186 | Developers should subscribe to the <a ext:cls="Ext.data.Store" ext:member="update" href="output/Ext.data.Store.html#update">Ext.data.Store.update</a> event to have their code notified |
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187 | of commit operations. <div class="mdetail-params"> |
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188 | <strong>Parameters:</strong> |
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189 | <ul><li><code>silent</code> : Boolean<div class="sub-desc">(optional) True to skip notification of the owning store of the change (defaults to false)</div></li> </ul> |
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190 | <strong>Returns:</strong> |
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191 | <ul> |
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192 | <li><code>void</code></li> |
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193 | </ul> |
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194 | </div> |
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195 | </div> |
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196 | </div> |
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197 | </td> |
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198 | <td class="msource">Record</td> |
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199 | </tr> |
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200 | <tr class="method-row expandable"> |
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201 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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202 | <td class="sig"> |
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203 | <a id="Ext.data.Record-copy"></a> |
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204 | <b>copy</b>( <span class="optional" title="Optional">[<code>String id</code>]</span> ) : Record <div class="mdesc"> |
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205 | <div class="short">Creates a copy of this Record.</div> |
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206 | <div class="long"> |
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207 | Creates a copy of this Record. <div class="mdetail-params"> |
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208 | <strong>Parameters:</strong> |
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209 | <ul><li><code>id</code> : String<div class="sub-desc">(optional) A new Record id if you don't want to use this Record's id</div></li> </ul> |
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210 | <strong>Returns:</strong> |
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211 | <ul> |
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212 | <li><code>Record</code></li> |
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213 | </ul> |
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214 | </div> |
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215 | </div> |
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216 | </div> |
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217 | </td> |
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218 | <td class="msource">Record</td> |
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219 | </tr> |
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220 | <tr class="method-row alt expandable"> |
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221 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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222 | <td class="sig"> |
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223 | <a id="Ext.data.Record-create"></a> |
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224 | <b>create</b>( <span class="optional" title="Optional">[<code>Array o</code>]</span> ) : function <div class="mdesc"> |
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225 | <div class="short"><static> Generate a constructor for a specific Record layout.</div> |
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226 | <div class="long"> |
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227 | <static> Generate a constructor for a specific Record layout. <div class="mdetail-params"> |
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228 | <strong>Parameters:</strong> |
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229 | <ul><li><code>o</code> : Array<div class="sub-desc">An Array of field definition objects which specify field names, and optionally, |
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230 | data types, and a mapping for an <a ext:cls="Ext.data.Reader" href="output/Ext.data.Reader.html">Ext.data.Reader</a> to extract the field's value from a data object. |
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231 | Each field definition object may contain the following properties: <ul> |
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232 | <li><b>name</b> : String<div class="sub-desc">The name by which the field is referenced within the Record. This is referenced by, |
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233 | for example, the <em>dataIndex</em> property in column definition objects passed to <a ext:cls="Ext.grid.ColumnModel" href="output/Ext.grid.ColumnModel.html">Ext.grid.ColumnModel</a></div></li> |
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234 | <li><b>mapping</b> : String<div class="sub-desc">(Optional) A path specification for use by the <a ext:cls="Ext.data.Reader" href="output/Ext.data.Reader.html">Ext.data.Reader</a> implementation |
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235 | that is creating the Record to access the data value from the data object. If an <a ext:cls="Ext.data.JsonReader" href="output/Ext.data.JsonReader.html">Ext.data.JsonReader</a> |
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236 | is being used, then this is a string containing the javascript expression to reference the data relative to |
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237 | the Record item's root. If an <a ext:cls="Ext.data.XmlReader" href="output/Ext.data.XmlReader.html">Ext.data.XmlReader</a> is being used, this is an <a ext:cls="Ext.DomQuery" href="output/Ext.DomQuery.html">Ext.DomQuery</a> path |
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238 | to the data item relative to the Record element. If the mapping expression is the same as the field name, |
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239 | this may be omitted.</div></li> |
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240 | <li><b>type</b> : String<div class="sub-desc">(Optional) The data type for conversion to displayable value. Possible values are |
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241 | <ul><li>auto (Default, implies no conversion)</li> |
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242 | <li>string</li> |
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243 | <li>int</li> |
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244 | <li>float</li> |
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245 | <li>boolean</li> |
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246 | <li>date</li></ul></div></li> |
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247 | <li><b>sortType</b> : Function<div class="sub-desc">(Optional) A function which converts a Field's value to a comparable value |
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248 | in order to ensure correct sort ordering. Predefined functions are provided in <a ext:cls="Ext.data.SortTypes" href="output/Ext.data.SortTypes.html">Ext.data.SortTypes</a>.</div></li> |
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249 | <li><b>sortDir</b> : String<div class="sub-desc">(Optional) Initial direction to sort. "ASC" or "DESC"</div></li> |
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250 | <li><b>convert</b> : Function<div class="sub-desc">(Optional) A function which converts the value provided |
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251 | by the Reader into an object that will be stored in the Record. It is passed the |
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252 | following parameters:<ul> |
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253 | <li><b>v</b> : Mixed<div class="sub-desc">The data value as read by the Reader.</div></li> |
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254 | <li><b>rec</b> : Mixed<div class="sub-desc">The data object containing the row as read by the Reader. |
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255 | Depending on Reader type, this could be an Array, an object, or an XML element.</div></li> |
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256 | </ul></div></li> |
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257 | <li><b>dateFormat</b> : String<div class="sub-desc">(Optional) A format string for the <a ext:cls="Date" ext:member="parseDate" href="output/Date.html#parseDate">Date.parseDate</a> function, |
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258 | or "timestamp" if the value provided by the Reader is a UNIX timestamp, or "time" if the value provided by the Reader is a |
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259 | javascript millisecond timestamp.</div></li> |
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260 | <li><b>defaultValue</b> : Mixed<div class="sub-desc">(Optional) The default value used <b>when a Record is being created by a |
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261 | <a ext:cls="Ext.data.Reader" href="output/Ext.data.Reader.html">Reader</a></b> when the item referenced by the <b><tt>mapping</tt></b> does not exist in the data object |
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262 | (i.e. undefined). (defaults to "")</div></li> |
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263 | </ul> |
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264 | The constructor generated by this method may be used to create new Record instances. The data object must contain properties |
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265 | named after the field <b>names</b>. |
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266 | <br>usage:<br><pre><code>var TopicRecord = Ext.data.Record.create([ |
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267 | {name: <em>'title'</em>, mapping: <em>'topic_title'</em>}, |
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268 | {name: <em>'author'</em>, mapping: <em>'username'</em>}, |
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269 | {name: <em>'totalPosts'</em>, mapping: <em>'topic_replies'</em>, type: <em>'int'</em>}, |
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270 | {name: <em>'lastPost'</em>, mapping: <em>'post_time'</em>, type: <em>'date'</em>}, |
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271 | {name: <em>'lastPoster'</em>, mapping: <em>'user2'</em>}, |
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272 | {name: <em>'excerpt'</em>, mapping: <em>'post_text'</em>} |
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273 | ]); |
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274 | |
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275 | <b>var</b> myNewRecord = <b>new</b> TopicRecord({ |
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276 | title: <em>'Do my job please'</em>, |
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277 | author: <em>'noobie'</em>, |
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278 | totalPosts: 1, |
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279 | lastPost: <b>new</b> Date(), |
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280 | lastPoster: <em>'Animal'</em>, |
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281 | excerpt: <em>'No way dude!'</em> |
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282 | }); |
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283 | myStore.add(myNewRecord);</code></pre> |
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284 | <p>In the simplest case, if no properties other than <tt>name</tt> are required, a field definition |
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285 | may consist of just a field name string.</p></div></li> </ul> |
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286 | <strong>Returns:</strong> |
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287 | <ul> |
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288 | <li><code>function</code><div class="sub-desc">A constructor which is used to create new Records according to the definition.</div></li> |
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289 | </ul> |
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290 | </div> |
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291 | </div> |
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292 | </div> |
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293 | </td> |
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294 | <td class="msource">Record</td> |
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295 | </tr> |
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296 | <tr class="method-row expandable"> |
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297 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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298 | <td class="sig"> |
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299 | <a id="Ext.data.Record-endEdit"></a> |
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300 | <b>endEdit</b>() : void <div class="mdesc"> |
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301 | <div class="short">End an edit. If any data was modified, the containing store is notified.</div> |
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302 | <div class="long"> |
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303 | End an edit. If any data was modified, the containing store is notified. <div class="mdetail-params"> |
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304 | <strong>Parameters:</strong> |
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305 | <ul><li>None.</li> </ul> |
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306 | <strong>Returns:</strong> |
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307 | <ul> |
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308 | <li><code>void</code></li> |
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309 | </ul> |
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310 | </div> |
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311 | </div> |
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312 | </div> |
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313 | </td> |
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314 | <td class="msource">Record</td> |
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315 | </tr> |
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316 | <tr class="method-row alt expandable"> |
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317 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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318 | <td class="sig"> |
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319 | <a id="Ext.data.Record-get"></a> |
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320 | <b>get</b>( <code>String name</code> ) : Object <div class="mdesc"> |
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321 | <div class="short">Get the value of the named field.</div> |
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322 | <div class="long"> |
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323 | Get the value of the named field. <div class="mdetail-params"> |
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324 | <strong>Parameters:</strong> |
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325 | <ul><li><code>name</code> : String<div class="sub-desc">The name of the field to get the value of.</div></li> </ul> |
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326 | <strong>Returns:</strong> |
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327 | <ul> |
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328 | <li><code>Object</code><div class="sub-desc">The value of the field.</div></li> |
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329 | </ul> |
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330 | </div> |
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331 | </div> |
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332 | </div> |
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333 | </td> |
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334 | <td class="msource">Record</td> |
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335 | </tr> |
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336 | <tr class="method-row expandable"> |
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337 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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338 | <td class="sig"> |
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339 | <a id="Ext.data.Record-getChanges"></a> |
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340 | <b>getChanges</b>() : Object <div class="mdesc"> |
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341 | <div class="short">Gets a hash of only the fields that have been modified since this Record was created or commited.</div> |
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342 | <div class="long"> |
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343 | Gets a hash of only the fields that have been modified since this Record was created or commited. <div class="mdetail-params"> |
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344 | <strong>Parameters:</strong> |
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345 | <ul><li>None.</li> </ul> |
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346 | <strong>Returns:</strong> |
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347 | <ul> |
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348 | <li><code>Object</code></li> |
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349 | </ul> |
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350 | </div> |
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351 | </div> |
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352 | </div> |
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353 | </td> |
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354 | <td class="msource">Record</td> |
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355 | </tr> |
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356 | <tr class="method-row alt expandable"> |
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357 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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358 | <td class="sig"> |
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359 | <a id="Ext.data.Record-isModified"></a> |
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360 | <b>isModified</b>( <code>String fieldName</code> ) : Boolean <div class="mdesc"> |
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361 | <div class="short">Returns true if the field passed has been modified since the load or last commit.</div> |
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362 | <div class="long"> |
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363 | Returns true if the field passed has been modified since the load or last commit. <div class="mdetail-params"> |
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364 | <strong>Parameters:</strong> |
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365 | <ul><li><code>fieldName</code> : String<div class="sub-desc"></div></li> </ul> |
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366 | <strong>Returns:</strong> |
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367 | <ul> |
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368 | <li><code>Boolean</code></li> |
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369 | </ul> |
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370 | </div> |
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371 | </div> |
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372 | </div> |
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373 | </td> |
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374 | <td class="msource">Record</td> |
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375 | </tr> |
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376 | <tr class="method-row expandable"> |
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377 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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378 | <td class="sig"> |
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379 | <a id="Ext.data.Record-reject"></a> |
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380 | <b>reject</b>( <span class="optional" title="Optional">[<code>Boolean silent</code>]</span> ) : void <div class="mdesc"> |
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381 | <div class="short">Usually called by the Ext.data.Store which owns the Record. |
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382 | Rejects all changes made to the Record since either creat...</div> |
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383 | <div class="long"> |
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384 | Usually called by the <a ext:cls="Ext.data.Store" href="output/Ext.data.Store.html">Ext.data.Store</a> which owns the Record. |
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385 | Rejects all changes made to the Record since either creation, or the last commit operation. |
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386 | Modified fields are reverted to their original values. |
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387 | <p> |
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388 | Developers should subscribe to the <a ext:cls="Ext.data.Store" ext:member="update" href="output/Ext.data.Store.html#update">Ext.data.Store.update</a> event to have their code notified |
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389 | of reject operations. <div class="mdetail-params"> |
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390 | <strong>Parameters:</strong> |
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391 | <ul><li><code>silent</code> : Boolean<div class="sub-desc">(optional) True to skip notification of the owning store of the change (defaults to false)</div></li> </ul> |
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392 | <strong>Returns:</strong> |
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393 | <ul> |
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394 | <li><code>void</code></li> |
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395 | </ul> |
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396 | </div> |
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397 | </div> |
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398 | </div> |
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399 | </td> |
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400 | <td class="msource">Record</td> |
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401 | </tr> |
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402 | <tr class="method-row alt expandable"> |
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403 | <td class="micon"><a class="exi" href="#expand"> </a></td> |
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404 | <td class="sig"> |
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405 | <a id="Ext.data.Record-set"></a> |
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406 | <b>set</b>( <code>String name</code>, <code>Object value</code> ) : void <div class="mdesc"> |
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407 | <div class="short">Set the named field to the specified value.</div> |
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408 | <div class="long"> |
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409 | Set the named field to the specified value. <div class="mdetail-params"> |
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410 | <strong>Parameters:</strong> |
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411 | <ul><li><code>name</code> : String<div class="sub-desc">The name of the field to set.</div></li><li><code>value</code> : Object<div class="sub-desc">The value to set the field to.</div></li> </ul> |
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412 | <strong>Returns:</strong> |
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413 | <ul> |
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414 | <li><code>void</code></li> |
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415 | </ul> |
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416 | </div> |
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417 | </div> |
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418 | </div> |
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419 | </td> |
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420 | <td class="msource">Record</td> |
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421 | </tr> |
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422 | </table> |
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423 | <a id="Ext.data.Record-events"></a> |
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424 | <h2>Public Events</h2> |
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425 | <div class="no-members">This class has no public events.</div> |
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426 | </div> |
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