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[roojs1] / docs2 / src / Roo_data_ArrayReader.js.html
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-<html><head><title>/home/alan/gitlive/roojs1/Roo/data/ArrayReader.js</title><link rel="stylesheet" type="text/css" href="../../css/highlight-js.css"/></head><body class="highlightpage"><code class="jsdoc-pretty"><span class="jsdoc-comment">/*
- * Based on:
- * Ext JS Library 1.1.1
- * Copyright(c) 2006-2007, Ext JS, LLC.
- *
- * Originally Released Under LGPL - original licence link has changed is not relivant.
- *
- * Fork - LGPL
- * &lt;script type=&quot;text/javascript&quot;&gt;
- */
-
-/**
- * @class Roo.data.ArrayReader
- * @extends Roo.data.DataReader
- * Data reader class to create an Array of Roo.data.Record objects from an Array.
- * Each element of that Array represents a row of data fields. The
- * fields are pulled into a Record object using as a subscript, the &lt;em&gt;mapping&lt;/em&gt; property
- * of the field definition if it exists, or the field's ordinal position in the definition.&lt;br&gt;
- * &lt;p&gt;
- * Example code:.
- * &lt;pre&gt;&lt;code&gt;
-var RecordDef = Roo.data.Record.create([
-    {name: 'name', mapping: 1},         // &quot;mapping&quot; only needed if an &quot;id&quot; field is present which
-    {name: 'occupation', mapping: 2}    // precludes using the ordinal position as the index.
-]);
-var myReader = new Roo.data.ArrayReader({
-    id: 0                     // The subscript within row Array that provides an ID for the Record (optional)
-}, RecordDef);
-&lt;/code&gt;&lt;/pre&gt;
- * &lt;p&gt;
- * This would consume an Array like this:
- * &lt;pre&gt;&lt;code&gt;
-[ [1, 'Bill', 'Gardener'], [2, 'Ben', 'Horticulturalist'] ]
-  &lt;/code&gt;&lt;/pre&gt;
- 
- * @constructor
- * Create a new JsonReader
- * @param {Object} meta Metadata configuration options.
- * @param {Object|Array} recordType Either an Array of field definition objects
- * 
- * @cfg {Array} fields Array of field definition objects
- * @cfg {String} id Name of the property within a row object that contains a record identifier value.
- * as specified to {@link Roo.data.Record#create},
- * or an {@link Roo.data.Record} object
- *
- * 
- * created using {@link Roo.data.Record#create}.
- */
-</span><span class="jsdoc-var">Roo.data.ArrayReader </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">meta</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">recordType</span><span class="jsdoc-syntax">){
-
-
-    </span><span class="jsdoc-var">Roo.data.ArrayReader.superclass.constructor.call</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">meta</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">recordType</span><span class="jsdoc-syntax">||</span><span class="jsdoc-var">meta.fields</span><span class="jsdoc-syntax">);
-};
-
-</span><span class="jsdoc-var">Roo.extend</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Roo.data.ArrayReader</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">Roo.data.JsonReader</span><span class="jsdoc-syntax">, {
-    </span><span class="jsdoc-comment">/**
-     * Create a data block containing Roo.data.Records from an XML document.
-     * @param {Object} o An Array of row objects which represents the dataset.
-     * @return {Object} A data block which is used by an {@link Roo.data.Store} object as
-     * a cache of Roo.data.Records.
-     */
-    </span><span class="jsdoc-var">readRecords </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">){
-        </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">sid </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.meta </span><span class="jsdoc-syntax">? </span><span class="jsdoc-var">this.meta.id </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">;
-       </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">recordType </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.recordType</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">fields </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">recordType.prototype.fields</span><span class="jsdoc-syntax">;
-       </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">records </span><span class="jsdoc-syntax">= [];
-       </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">root </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">;
-           </span><span class="jsdoc-keyword">for</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">&lt; </span><span class="jsdoc-var">root.length</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">++){
-                   </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">n </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">root</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">];
-               </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">values </span><span class="jsdoc-syntax">= {};
-               </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">id </span><span class="jsdoc-syntax">= ((</span><span class="jsdoc-var">sid </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">sid </span><span class="jsdoc-syntax">=== 0) &amp;&amp; </span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">sid</span><span class="jsdoc-syntax">] !== </span><span class="jsdoc-var">undefined </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">sid</span><span class="jsdoc-syntax">] !== </span><span class="jsdoc-string">&quot;&quot; </span><span class="jsdoc-syntax">? </span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">sid</span><span class="jsdoc-syntax">] : </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">);
-               </span><span class="jsdoc-keyword">for</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">j </span><span class="jsdoc-syntax">= 0, </span><span class="jsdoc-var">jlen </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">fields.length</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">j </span><span class="jsdoc-syntax">&lt; </span><span class="jsdoc-var">jlen</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">j</span><span class="jsdoc-syntax">++){
-                </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">f </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">fields.items</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">j</span><span class="jsdoc-syntax">];
-                </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">k </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">f.mapping </span><span class="jsdoc-syntax">!== </span><span class="jsdoc-var">undefined </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">f.mapping </span><span class="jsdoc-syntax">!== </span><span class="jsdoc-keyword">null </span><span class="jsdoc-syntax">? </span><span class="jsdoc-var">f.mapping </span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">j</span><span class="jsdoc-syntax">;
-                </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">v </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">k</span><span class="jsdoc-syntax">] !== </span><span class="jsdoc-var">undefined </span><span class="jsdoc-syntax">? </span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">k</span><span class="jsdoc-syntax">] : </span><span class="jsdoc-var">f.defaultValue</span><span class="jsdoc-syntax">;
-                </span><span class="jsdoc-var">v </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">f.convert</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">v</span><span class="jsdoc-syntax">);
-                </span><span class="jsdoc-var">values</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">f.name</span><span class="jsdoc-syntax">] = </span><span class="jsdoc-var">v</span><span class="jsdoc-syntax">;
-            }
-               </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">record </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">recordType</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">values</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">id</span><span class="jsdoc-syntax">);
-               </span><span class="jsdoc-var">record.json </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">;
-               </span><span class="jsdoc-var">records</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">records.length</span><span class="jsdoc-syntax">] = </span><span class="jsdoc-var">record</span><span class="jsdoc-syntax">;
-           }
-           </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">{
-               </span><span class="jsdoc-var">records </span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">records</span><span class="jsdoc-syntax">,
-               </span><span class="jsdoc-var">totalRecords </span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">records.length
-           </span><span class="jsdoc-syntax">};
-    }
-});</span></code></body></html>
\ No newline at end of file
RooJS - Version 1