CollectionEventKind.REPLACE : Collection Event « Data Model

        



<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">



    <mx:Script>

        

        

            import mx.events.CollectionEventKind;

            import mx.events.CollectionEvent;

            import mx.collections.SortField;

            import mx.collections.Sort;

            import mx.collections.ArrayCollection;

            

            private var index:Number = 0;

            

            public function collectionChange(event:CollectionEvent):void

            {

                switch (event.kind)

                {

                    case CollectionEventKind.ADD:

                        myTextArea.text += "Item Added\n";

                        break;

                    case CollectionEventKind.REPLACE:

                        myTextArea.text += "Item Replaced\n";

                        break;

                    case CollectionEventKind.REMOVE:

                        myTextArea.text += "Item Removed\n";

                        break;

                }

            }

            

            public function addItem():void

            {

                myCollection.addItem({label: myTextInput.text, data: index});

                index++;

            }

            private function removeItem():void

            {

                if (myList.selectedItem != null)

                    myCollection.removeItemAt(myList.selectedIndex);

            }

            

      

    </mx:Script>

    

    <mx:ArrayCollection id="myCollection" collectionChange="collectionChange(event)" />

    

    <mx:TextInput id="myTextInput" />

    <mx:List id="myList" dataProvider="{myCollection}" width="200" height="200" />

    <mx:Button label="ADD" click="addItem()" />

    <mx:Button label="REMOVE" click="removeItem()" />

    <mx:TextArea id="myTextArea" width="200" height="200" />

    

</mx:Application>
CollectionEventKind.REPLACE : Collection Event « Data Model « Flex
