org.topbraidcomposer.ui.views
Class ChangeDropTargetAdapter

java.lang.Object
  org.eclipse.swt.dnd.DropTargetAdapter
      org.topbraidcomposer.ui.util.MyDropTargetAdapter
          org.topbraidcomposer.ui.views.ChangeDropTargetAdapter

All Implemented Interfaces:

java.util.EventListener, org.eclipse.swt.dnd.DropTargetListener, org.eclipse.swt.internal.SWTEventListener

public abstract class ChangeDropTargetAdapter
extends MyDropTargetAdapter

A DropTargetAdapter that executes a given ModelOperation when released. The operation is also used to verify the drop target, i.e. if the operation is invalid then dropping is not permitted.

Author:

Holger Knublauch

Constructor Summary

ChangeDropTargetAdapter()

Method Summary

protected abstract IChange	createChange(org.eclipse.swt.dnd.DropTargetEvent event)
void	dragOver(org.eclipse.swt.dnd.DropTargetEvent event)
void	drop(org.eclipse.swt.dnd.DropTargetEvent event)
protected void	executeChange(IChange change)
protected int	getDropFeedback()

Methods inherited from class org.topbraidcomposer.ui.util.MyDropTargetAdapter

getOldDetail, setAllowed

Methods inherited from class org.eclipse.swt.dnd.DropTargetAdapter

dragEnter, dragLeave, dragOperationChanged, dropAccept

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChangeDropTargetAdapter

public ChangeDropTargetAdapter()

Method Detail

createChange

protected abstract IChange createChange(org.eclipse.swt.dnd.DropTargetEvent event)

dragOver

public void dragOver(org.eclipse.swt.dnd.DropTargetEvent event)

Specified by:

dragOver in interface org.eclipse.swt.dnd.DropTargetListener

Overrides:

dragOver in class org.eclipse.swt.dnd.DropTargetAdapter

drop

public void drop(org.eclipse.swt.dnd.DropTargetEvent event)

Specified by:

drop in interface org.eclipse.swt.dnd.DropTargetListener

Overrides:

drop in class org.eclipse.swt.dnd.DropTargetAdapter

executeChange

protected void executeChange(IChange change)

getDropFeedback

protected int getDropFeedback()