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bikrantsingh
Implement Drag and drop
1 Answer(s)      4 years ago
Posted in : Flex


Hi......

Please give the answer with example

How do you implement drag and drop on components that do not support ondrag and ondrop?


Thanks in advance


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View Answers

October 15, 2010 at 12:46 PM


Ans: The example are following which does not support the ondrag and ondrop

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009";
xmlns:s="library://ns.adobe.com/flex/spark";
xmlns:mx="library://ns.adobe.com/flex/mx";
minWidth="955" minHeight="600">
<fx:Script>
<![CDATA[
import mx.managers.DragManager;
import mx.core.DragSource;
import mx.events.DragEvent;
import flash.events.MouseEvent;
// initialize the drag and drop operation
private function mouseMoveHandler(event:MouseEvent):void
{
var dragInitiator:Button=Button(event.currentTarget);
var dragSource:DragSource = new DragSource();
dragSource.addData(dragInitiator, "button");
DragManager.doDrag(dragInitiator, dragSource, event);
}
private function dragEnterHandler(event:DragEvent):void {
if (event.dragSource.hasFormat("button"))
{
DragManager.acceptDragDrop(Panel(event.currentTarget));
}
}
private function dragDropHandler(event:DragEvent):void {
Button(event.dragInitiator).x =
Panel(event.currentTarget).mouseX;
Button(event.dragInitiator).y =
Panel(event.currentTarget).mouseY;
}
]]>
</fx:Script>
<s:Panel title="Flex component move using drag and drop"
width="386" height="282"
chromeColor="#555555"
color="#CCCCCC"
dragEnter="dragEnterHandler(event);"
dragDrop="dragDropHandler(event);">
<s:Button id="btn" label="Drag Button"
mouseMove="mouseMoveHandler(event)"/>
</s:Panel>
</s:Application>


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