Create IViewCursor from ArrayCollection : ArrayCollection Cursor « Data Model « Flex






Create IViewCursor from ArrayCollection

Create IViewCursor from ArrayCollection
          
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
    initialize="initData();">
    <mx:Script>
        
        import mx.collections.*;
        public var myArray:Array = ["AZ", "MA", "MZ", "MN", "MO", "MS"];
        [Bindable]
        public var myAC:ArrayCollection;
        public function initData():void {
            myAC = new ArrayCollection(myArray);

            var myCursor:IViewCursor=myAC.createCursor();
            var oldLength:int=myAC.length;
            var removedItem:String=String(myCursor.remove());
            myCursor.moveNext();
            myCursor.insert("AAAAA");
            myCursor.seek(CursorBookmark.LAST, 1);
            myCursor.insert("BBBBB");
            var sort:Sort = new Sort();
            myAC.sort=sort;
            myAC.refresh();
            if (myCursor.findFirst("MZ") && !myCursor.findFirst("MI")) {
                myCursor.remove();
                myCursor.insert("MI");
            }            
        }

        public function sortICV():void {

        }
        public function resetView():void {
            myArray = ["AZ", "MA", "MZ", "MN", "MO", "MS"];
            myAC = new ArrayCollection(myArray);
            ta1.text="Reset";
        }
      
    </mx:Script>
    <mx:ComboBox id="myCB" rowCount="7" dataProvider="{myAC}" />
    <mx:TextArea id="ta1" height="75" width="300" />
    <mx:HBox>
        <mx:Button label="Update View" click="initData();" />
        <mx:Button label="Sort View" click="sortICV();" />
        <mx:Button label="Reset View" click="resetView();" />
    </mx:HBox>
</mx:Application>

   
    
    
    
    
    
    
    
    
    
  








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