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11 <title>JsDoc Reference - Roo.data.JsonReader</title>
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30 <!-- ============================== links to methods. ================================= -->
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34 <a class="inner-link" href="#Roo.data.JsonReader-props"><img src="resources/s.gif" class="item-icon icon-prop">Properties</a>
35 <a class="inner-link" href="#Roo.data.JsonReader-methods"><img src="resources/s.gif" class="item-icon icon-method">Methods</a>
36 <a class="inner-link" href="#Roo.data.JsonReader-events"><img src="resources/s.gif" class="item-icon icon-event">Events</a>
37 <a class="inner-link" href="#Roo.data.JsonReader-configs"><img src="resources/s.gif" class="item-icon icon-config">Config Options</a>
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43 <!-- ============================== inheritance Block. ================================= -->
45 <div class="inheritance res-block">
46 <pre class="res-block-inner"><a href="./Roo.data.DataReader.html#constructor" roo:cls="Roo.data.DataReader.html#constructor">Roo.data.DataReader</a>
47 <img src="../../images/default/s.gif" height="1" width="20"/><img class="elbow" src="../../images/default/tree/elbow-end.gif"/>Roo.data.JsonReader
52 <!-- ============================== class title / details ============================ -->
55 <h1 class="classTitle">
57 Class Roo.data.JsonReader
60 <table cellspacing="0" class="class-summary-table">
62 <tr><td class="label">Package:</td><td class="hd-info">Roo.data</td></tr>
64 <tr><td class="label">Defined In:</td><td class="hd-info">
66 <a href="./src/Roo_data_JsonReader.js.html">Roo/data/JsonReader.js</a>.
69 <tr><td class="label">Class:</td><td class="hd-info">JsonReader</td></tr>
74 <tr><td class="label">Extends:</td><td class="hd-info">
75 <a href="./Roo.data.DataReader.html#constructor" roo:cls="Roo.data.DataReader.html#constructor">Roo.data.DataReader</a>
83 <!-- ============================== class summary ========================== -->
84 <div class="description">
85 Data reader class to create an Array of Roo.data.Record objects from a JSON response<br/>based on mappings in a provided Roo.data.Record constructor.<br/><br/>The default behaviour of a store is to send ?_requestMeta=1, unless the class has recieved 'metaData' property<br/>in the reply previously. <br/><br/><p><br/>Example code:<br/><pre><code><br/>var RecordDef = Roo.data.Record.create([<br/> {name: 'name', mapping: 'name'}, // "mapping" property not needed if it's the same as "name"<br/> {name: 'occupation'} // This field will use "occupation" as the mapping.<br/>]);<br/>var myReader = new Roo.data.JsonReader({<br/> totalProperty: "results", // The property which contains the total dataset size (optional)<br/> root: "rows", // The property which contains an Array of row objects<br/> id: "id" // The property within each row object that provides an ID for the record (optional)<br/>}, RecordDef);<br/></code></pre><br/><p><br/>This would consume a JSON file like this:<br/><pre><code><br/>{ 'results': 2, 'rows': [<br/> { 'id': 1, 'name': 'Bill', occupation: 'Gardener' },<br/> { 'id': 2, 'name': 'Ben', occupation: 'Horticulturalist' } ]<br/>}<br/></code></pre>
89 <!-- ============================== Class comment block... ========================== -->
91 <div class="comments">
92 <b>Class Comments / Notes</B> =>
93 <u onclick="parent.CommentDialog.showCommentId = 'Roo.data.JsonReader';">[Add Your comment/notes about this class]</u>
95 <iframe frameborder="0" id="comments-Roo.data" style="border: none;width:100%;"
96 src="/blog.php/GtkDjsComments/Roo.data.JsonReader.html"></iframe>
101 <!-- ============================== config options ========================== -->
106 <div class="hr"></div>
107 <a id="Roo.data.JsonReader-configs"></a>
113 <table cellspacing="0" class="member-table">
114 <caption>Config Options (Usually are also Properties)</caption>
118 <th class="sig-header" colspan="2">Options</th>
120 <th class="msource-header">Defined By</th>
127 <tr class="config-row expandable config-row-alt0 notInherited">
128 <td class="micon"><a class="exi" href="#expand"> </a></td>
131 <a id="Roo.data.JsonReader-cfg-fields" name=".fields"></a>
132 <div class="fixedFont">
133 <b class="itemname">fields</b> : <a href="./Array.html#constructor" roo:cls="Array.html#constructor">Array</a>
139 <div class="short">Array of field definition objects</div>
144 Array of field definition objects
160 <tr class="config-row expandable config-row-alt1 notInherited">
161 <td class="micon"><a class="exi" href="#expand"> </a></td>
164 <a id="Roo.data.JsonReader-cfg-id" name=".id"></a>
165 <div class="fixedFont">
166 <b class="itemname">id</b> : <a href="./String.html#constructor" roo:cls="String.html#constructor">String</a>
172 <div class="short">Name of the property within a row object that contains a record identifier value.</div>
177 Name of the property within a row object that contains a record identifier value.
193 <tr class="config-row expandable config-row-alt0 notInherited">
194 <td class="micon"><a class="exi" href="#expand"> </a></td>
197 <a id="Roo.data.JsonReader-cfg-root" name=".root"></a>
198 <div class="fixedFont">
199 <b class="itemname">root</b> : <a href="./String.html#constructor" roo:cls="String.html#constructor">String</a>
205 <div class="short">name of the property which contains the Array of row objects.</div>
210 name of the property which contains the Array of row objects.
226 <tr class="config-row expandable config-row-alt1 notInherited">
227 <td class="micon"><a class="exi" href="#expand"> </a></td>
230 <a id="Roo.data.JsonReader-cfg-successProperty" name=".successProperty"></a>
231 <div class="fixedFont">
232 <b class="itemname">successProperty</b> : <a href="./String.html#constructor" roo:cls="String.html#constructor">String</a>
238 <div class="short">Name of the property from which to retrieve the success attribute used by forms.</div>
243 Name of the property from which to retrieve the success attribute used by forms.
259 <tr class="config-row expandable config-row-alt0 notInherited">
260 <td class="micon"><a class="exi" href="#expand"> </a></td>
263 <a id="Roo.data.JsonReader-cfg-totalProperty" name=".totalProperty"></a>
264 <div class="fixedFont">
265 <b class="itemname">totalProperty</b> : <a href="./String.html#constructor" roo:cls="String.html#constructor">String</a>
271 <div class="short">Name of the property from which to retrieve the total number of records<br/>in the dataset.</div>
276 Name of the property from which to retrieve the total number of records<br/>in the dataset. This is only needed if the whole dataset is not passed in one go, but is being<br/>paged from the remote server.
302 <!-- ============================== public properties ==================== -->
306 <a id="Roo.data.JsonReader-props"></a>
312 <table cellspacing="0" class="member-table">
313 <caption class="Empty">Public Properties - Has None</caption>
319 <!-- ============================== methods summary / details ======================== -->
322 <a id="Roo.data.JsonReader-methods"></a>
323 <!-- constructor?? -->
330 <!-- then dynamics first -->
337 <table cellspacing="0" class="member-table">
338 <caption>Public Methods</caption>
340 <th class="sig-header" colspan="2">Method</th>
341 <th class="msource-header">Defined By</th>
351 <tr class="method-row config-row-alt0 expandable notInherited">
352 <td class="micon"><a class="exi" href="#expand"> </a></td>
356 <a id="Roo.data-method-JsonReader" name=".JsonReader"></a>
357 <div class="fixedFont">
358 <span class="attributes">new <B>Roo.data.</B></span><b class="itemname">JsonReader</b>
360 (<a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a> <B><i>meta</i></B>, <a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a> <B><i>recordType</i></B>)
368 <div class="short">Create a new Roo.data.JsonReader</div>
375 Create a new Roo.data.JsonReader
378 <dl class="detailList">
379 <dt class="heading">Parameters:</dt>
382 <span class="fixedFont"><a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a></span> <b>meta</b>
385 <dd>Metadata configuration options</dd>
388 <span class="fixedFont"><a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a></span> <b>recordType</b>
391 <dd>Either an Array of field definition objects,<br/>or an {<b>link</b> Roo.data.Record} object created using {<b>link</b> Roo.data.Record<b>create</b>}.</dd>
415 <tr class="method-row config-row-alt1 expandable">
416 <td class="micon"><a class="exi" href="#expand"> </a></td>
420 <a id="Roo.data.DataReader-method-newRow" name=".newRow"></a>
421 <div class="fixedFont">
422 <span class="attributes"></span><b class="itemname">newRow</b>
424 (<a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a> <B><i>data</i></B>)
430 <a href="./Roo.data.Record.html#constructor" roo:cls="Roo.data.Record.html#constructor">Roo.data.Record</a>
439 <div class="short">Create an empty record</div>
445 Create an empty record
452 <dl class="detailList">
453 <dt class="heading">Parameters:</dt>
456 <span class="fixedFont"><a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a></span> <b>data</b>
459 <dd>(optional) - overlay some values</dd>
467 <dl class="detailList">
468 <dt class="heading">Returns:</dt>
470 <dd><span class="fixedFont"><a href="./Roo.data.Record.html#constructor" roo:cls="Roo.data.Record.html#constructor">Roo.data.Record</a></span> record created.</dd>
486 <a href="./Roo.data.DataReader.html#constructor" roo:cls="Roo.data.DataReader.html#constructor">Roo.data.DataReader</a>
492 <tr class="method-row config-row-alt0 expandable notInherited">
493 <td class="micon"><a class="exi" href="#expand"> </a></td>
497 <a id="Roo.data.JsonReader-method-read" name=".read"></a>
498 <div class="fixedFont">
499 <span class="attributes"></span><b class="itemname">read</b>
501 (<a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a> <B><i>response</i></B>)
507 <a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a>
516 <div class="short">This method is only used by a DataProxy which has retrieved data from a remote server.</div>
522 This method is only used by a DataProxy which has retrieved data from a remote server.
529 <dl class="detailList">
530 <dt class="heading">Parameters:</dt>
533 <span class="fixedFont"><a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a></span> <b>response</b>
536 <dd>The XHR object which contains the JSON data in its responseText.</dd>
544 <dl class="detailList">
545 <dt class="heading">Returns:</dt>
547 <dd><span class="fixedFont"><a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a></span> data A data block which is used by an Roo.data.Store object as<br/>a cache of Roo.data.Records.</dd>
569 <tr class="method-row config-row-alt1 expandable notInherited">
570 <td class="micon"><a class="exi" href="#expand"> </a></td>
574 <a id="Roo.data.JsonReader-method-readRecords" name=".readRecords"></a>
575 <div class="fixedFont">
576 <span class="attributes"></span><b class="itemname">readRecords</b>
578 (<a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a> <B><i>o</i></B>)
584 <a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a>
593 <div class="short">Create a data block containing Roo.data.Records from an XML document.</div>
599 Create a data block containing Roo.data.Records from an XML document.
606 <dl class="detailList">
607 <dt class="heading">Parameters:</dt>
610 <span class="fixedFont"><a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a></span> <b>o</b>
613 <dd>An object which contains an Array of row objects in the property specified<br/>in the config as 'root, and optionally a property, specified in the config as 'totalProperty'<br/>which contains the total size of the dataset.</dd>
621 <dl class="detailList">
622 <dt class="heading">Returns:</dt>
624 <dd><span class="fixedFont"><a href="http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Object">Object</a></span> data A data block which is used by an Roo.data.Store object as<br/>a cache of Roo.data.Records.</dd>
649 <!-- ============================== events summary / details ======================== -->
652 <a id="Roo.data.JsonReader-events"></a>
658 <table cellspacing="0" class="member-table">
659 <caption class="Empty">Events - Has None</caption>
670 <!-- ============================== footer ================================= -->
671 <div class="fineprint" style="clear:both">
673 Documentation generated by <a href="http://www.akbkhome.com" target="_blankt">Introspection Doc Generator</a> on Wed Apr 06 2016 11:58:57 GMT+0800 (HKT)
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