docs/default.css
[roojs1] / docs / symbols / src / Roo_data_Store.js.html
index acf2397..141a65d 100644 (file)
@@ -1,4 +1,4 @@
-<html><head><title>/home/alan/gitlive/roojs1/Roo/data/Store.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">/*
+<html><head><title>../roojs1/Roo/data/Store.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.
@@ -38,7 +38,8 @@
         </span><span class="jsdoc-string">&quot;start&quot; </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">&quot;start&quot;</span><span class="jsdoc-syntax">,
         </span><span class="jsdoc-string">&quot;limit&quot; </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">&quot;limit&quot;</span><span class="jsdoc-syntax">,
         </span><span class="jsdoc-string">&quot;sort&quot; </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">&quot;sort&quot;</span><span class="jsdoc-syntax">,
-        </span><span class="jsdoc-string">&quot;dir&quot; </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">&quot;dir&quot;
+        </span><span class="jsdoc-string">&quot;dir&quot; </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">&quot;dir&quot;</span><span class="jsdoc-syntax">,
+        </span><span class="jsdoc-string">&quot;multisort&quot; </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">&quot;_multisort&quot;
     </span><span class="jsdoc-syntax">};
 
     </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">config </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">config.data</span><span class="jsdoc-syntax">){
          */
         </span><span class="jsdoc-var">beforeload </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">,
         </span><span class="jsdoc-comment">/**
-         * @event load
+         * @event beforeloadadd
          * Fires after a new set of Records has been loaded.
          * @param {Store} this
          * @param {Roo.data.Record[]} records The Records that were loaded
          * @param {Object} options The loading options that were specified (see {@link #load} for details)
          */
+        </span><span class="jsdoc-var">beforeloadadd </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">,
+        </span><span class="jsdoc-comment">/**
+         * @event load
+         * Fires after a new set of Records has been loaded, before they are added to the store.
+         * @param {Store} this
+         * @param {Roo.data.Record[]} records The Records that were loaded
+         * @param {Object} options The loading options that were specified (see {@link #load} for details)
+         * @params {Object} return from reader
+         */
         </span><span class="jsdoc-var">load </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">,
         </span><span class="jsdoc-comment">/**
          * @event loadexception
         </span><span class="jsdoc-var">this.relayEvents</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.proxy</span><span class="jsdoc-syntax">,  [</span><span class="jsdoc-string">&quot;loadexception&quot;</span><span class="jsdoc-syntax">]);
     }
     </span><span class="jsdoc-var">this.sortToggle </span><span class="jsdoc-syntax">= {};
+    </span><span class="jsdoc-var">this.sortOrder </span><span class="jsdoc-syntax">= []; </span><span class="jsdoc-comment">// array of order of sorting - updated by grid if multisort is enabled.
 
     </span><span class="jsdoc-var">Roo.data.Store.superclass.constructor.call</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
 
         </span><span class="jsdoc-keyword">delete </span><span class="jsdoc-var">this.inlineData</span><span class="jsdoc-syntax">;
     }
 };
+
 </span><span class="jsdoc-var">Roo.extend</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Roo.data.Store</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">Roo.util.Observable</span><span class="jsdoc-syntax">, {
      </span><span class="jsdoc-comment">/**
     * @cfg {boolean} isLocal   flag if data is locally available (and can be always looked up
     * @cfg {Object} sortInfo A config object in the format: {field: &quot;fieldName&quot;, direction: &quot;ASC|DESC&quot;}
     */
     /**
+    * @cfg {Boolean} multiSort enable multi column sorting (sort is based on the order of columns, remote only at present)
+    */
+    </span><span class="jsdoc-var">multiSort</span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,
+    </span><span class="jsdoc-comment">/**
     * @cfg {boolean} remoteSort True if sorting is to be handled by requesting the Proxy to provide a refreshed
     * version of the data object in sorted order, as opposed to sorting the Record cache in place (defaults to false).
     */
         </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;beforeload&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">) !== </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">){
             </span><span class="jsdoc-var">this.storeOptions</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">);
             </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">p </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Roo.apply</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">options.params </span><span class="jsdoc-syntax">|| {}, </span><span class="jsdoc-var">this.baseParams</span><span class="jsdoc-syntax">);
+            </span><span class="jsdoc-comment">// if meta was not loaded from remote source.. try requesting it.
+            </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">this.reader.metaFromRemote</span><span class="jsdoc-syntax">) {
+                </span><span class="jsdoc-var">p._requestMeta </span><span class="jsdoc-syntax">= 1;
+            }
             </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.sortInfo </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">this.remoteSort</span><span class="jsdoc-syntax">){
                 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">pn </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.paramNames</span><span class="jsdoc-syntax">;
                 </span><span class="jsdoc-var">p</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">pn</span><span class="jsdoc-syntax">[</span><span class="jsdoc-string">&quot;sort&quot;</span><span class="jsdoc-syntax">]] = </span><span class="jsdoc-var">this.sortInfo.field</span><span class="jsdoc-syntax">;
                 </span><span class="jsdoc-var">p</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">pn</span><span class="jsdoc-syntax">[</span><span class="jsdoc-string">&quot;dir&quot;</span><span class="jsdoc-syntax">]] = </span><span class="jsdoc-var">this.sortInfo.direction</span><span class="jsdoc-syntax">;
             }
+            </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.multiSort</span><span class="jsdoc-syntax">) {
+                </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">pn </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.paramNames</span><span class="jsdoc-syntax">;
+                </span><span class="jsdoc-var">p</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">pn</span><span class="jsdoc-syntax">[</span><span class="jsdoc-string">&quot;multisort&quot;</span><span class="jsdoc-syntax">]] = </span><span class="jsdoc-var">Roo.encode</span><span class="jsdoc-syntax">( { </span><span class="jsdoc-var">sort </span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this.sortToggle</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">order</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this.sortOrder </span><span class="jsdoc-syntax">});
+            }
+            
             </span><span class="jsdoc-var">this.proxy.load</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">p</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.reader</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.loadRecords</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">);
         }
     },
     </span><span class="jsdoc-var">loadRecords </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-var">options</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">success</span><span class="jsdoc-syntax">){
         </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">o </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">success </span><span class="jsdoc-syntax">=== </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">){
             </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">success </span><span class="jsdoc-syntax">!== </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">){
-                </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;load&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, [], </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">);
+                </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;load&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, [], </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">);
             }
             </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">options.callback</span><span class="jsdoc-syntax">){
                 </span><span class="jsdoc-var">options.callback.call</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">options.scope </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, [], </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">, </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">);
         }
         </span><span class="jsdoc-comment">// if data returned failure - throw an exception.
         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">o.success </span><span class="jsdoc-syntax">=== </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">) {
-            </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;loadexception&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.reader.jsonData</span><span class="jsdoc-syntax">);
+            </span><span class="jsdoc-comment">// show a message if no listener is registered.
+            </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">this.hasListener</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'loadexception'</span><span class="jsdoc-syntax">) &amp;&amp; </span><span class="jsdoc-keyword">typeof</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">o.raw.errorMsg</span><span class="jsdoc-syntax">) != </span><span class="jsdoc-string">'undefined'</span><span class="jsdoc-syntax">) {
+                    </span><span class="jsdoc-var">Roo.MessageBox.alert</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;Error loading&quot;</span><span class="jsdoc-syntax">,</span><span class="jsdoc-var">o.raw.errorMsg</span><span class="jsdoc-syntax">);
+            }
+            </span><span class="jsdoc-comment">// loadmask wil be hooked into this..
+            </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;loadexception&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">o.raw.errorMsg</span><span class="jsdoc-syntax">);
             </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
         }
         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">r </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">o.records</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">t </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">o.totalRecords </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">r.length</span><span class="jsdoc-syntax">;
+        
+        </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;beforeloadadd&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">r</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">);
+        
         </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">options </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">options.add </span><span class="jsdoc-syntax">!== </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">){
             </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.pruneModifiedRecords</span><span class="jsdoc-syntax">){
                 </span><span class="jsdoc-var">this.modified </span><span class="jsdoc-syntax">= [];
             </span><span class="jsdoc-var">this.totalLength </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.max</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">t</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.data.length</span><span class="jsdoc-syntax">+</span><span class="jsdoc-var">r.length</span><span class="jsdoc-syntax">);
             </span><span class="jsdoc-var">this.add</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">r</span><span class="jsdoc-syntax">);
         }
-        </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;load&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">r</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">);
+        
+        </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.parent </span><span class="jsdoc-syntax">&amp;&amp; !</span><span class="jsdoc-var">Roo.isIOS </span><span class="jsdoc-syntax">&amp;&amp; !</span><span class="jsdoc-var">this.useNativeIOS </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">this.parent.emptyTitle.length</span><span class="jsdoc-syntax">) {
+                
+            </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">e </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">Roo.data.Record</span><span class="jsdoc-syntax">({});
+
+            </span><span class="jsdoc-var">e.set</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.parent.displayField</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.parent.emptyTitle</span><span class="jsdoc-syntax">);
+            </span><span class="jsdoc-var">e.set</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.parent.valueField</span><span class="jsdoc-syntax">, </span><span class="jsdoc-string">''</span><span class="jsdoc-syntax">);
+
+            </span><span class="jsdoc-var">this.insert</span><span class="jsdoc-syntax">(0, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">);
+        }
+            
+        </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;load&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">r</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">o</span><span class="jsdoc-syntax">);
         </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">options.callback</span><span class="jsdoc-syntax">){
             </span><span class="jsdoc-var">options.callback.call</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">options.scope </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">r</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">, </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">);
         }
     },
 
+
     </span><span class="jsdoc-comment">/**
      * Loads data from a passed data block. A Reader which understands the format of the data
      * must have been configured in the constructor.
     </span><span class="jsdoc-var">sort </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">fieldName</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dir</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">this.fields.get</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">fieldName</span><span class="jsdoc-syntax">);
         </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">dir</span><span class="jsdoc-syntax">){
-            </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.sortInfo </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">this.sortInfo.field </span><span class="jsdoc-syntax">== </span><span class="jsdoc-var">f.name</span><span class="jsdoc-syntax">){ </span><span class="jsdoc-comment">// toggle sort dir
+            </span><span class="jsdoc-var">this.sortToggle</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">f.name</span><span class="jsdoc-syntax">] = </span><span class="jsdoc-var">this.sortToggle</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">f.name</span><span class="jsdoc-syntax">] || </span><span class="jsdoc-var">f.sortDir</span><span class="jsdoc-syntax">;
+            
+            </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.multiSort </span><span class="jsdoc-syntax">|| (</span><span class="jsdoc-var">this.sortInfo </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">this.sortInfo.field </span><span class="jsdoc-syntax">== </span><span class="jsdoc-var">f.name</span><span class="jsdoc-syntax">) ){ </span><span class="jsdoc-comment">// toggle sort dir
                 </span><span class="jsdoc-var">dir </span><span class="jsdoc-syntax">= (</span><span class="jsdoc-var">this.sortToggle</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">f.name</span><span class="jsdoc-syntax">] || </span><span class="jsdoc-string">&quot;ASC&quot;</span><span class="jsdoc-syntax">)</span><span class="jsdoc-var">.toggle</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;ASC&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-string">&quot;DESC&quot;</span><span class="jsdoc-syntax">);
             }</span><span class="jsdoc-keyword">else</span><span class="jsdoc-syntax">{
                 </span><span class="jsdoc-var">dir </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">f.sortDir</span><span class="jsdoc-syntax">;
         }
         </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;update&quot;</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">record</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">Roo.data.Record.EDIT</span><span class="jsdoc-syntax">);
     },
-
+    
     </span><span class="jsdoc-comment">// private
     </span><span class="jsdoc-var">afterReject </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">record</span><span class="jsdoc-syntax">){
         </span><span class="jsdoc-var">this.modified.remove</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">record</span><span class="jsdoc-syntax">);
         </span><span class="jsdoc-var">this.recordType </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">rtype</span><span class="jsdoc-syntax">;
         </span><span class="jsdoc-var">this.fields </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">rtype.prototype.fields</span><span class="jsdoc-syntax">;
         </span><span class="jsdoc-keyword">delete </span><span class="jsdoc-var">this.snapshot</span><span class="jsdoc-syntax">;
-        </span><span class="jsdoc-var">this.sortInfo </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">meta.sortInfo</span><span class="jsdoc-syntax">;
+        </span><span class="jsdoc-var">this.sortInfo </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">meta.sortInfo </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">this.sortInfo</span><span class="jsdoc-syntax">;
         </span><span class="jsdoc-var">this.modified </span><span class="jsdoc-syntax">= [];
         </span><span class="jsdoc-var">this.fireEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'metachange'</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.reader.meta</span><span class="jsdoc-syntax">);
+    },
+    
+    </span><span class="jsdoc-var">moveIndex </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">type</span><span class="jsdoc-syntax">)
+    {
+        </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">index </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.indexOf</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
+        
+        </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">newIndex </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">index </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">type</span><span class="jsdoc-syntax">;
+        
+        </span><span class="jsdoc-var">this.remove</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
+        
+        </span><span class="jsdoc-var">this.insert</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">newIndex</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
+        
     }
 });</span></code></body></html>
\ No newline at end of file