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org.eclipse.net4j.util.ui.dnd
Class DNDDropAdapter<TYPE>

java.lang.Object
  extended by org.eclipse.swt.dnd.DropTargetAdapter
      extended by org.eclipse.jface.viewers.ViewerDropAdapter
          extended by org.eclipse.net4j.util.ui.dnd.DNDDropAdapter<TYPE>
All Implemented Interfaces:
EventListener, DropTargetListener, org.eclipse.swt.internal.SWTEventListener
public abstract class DNDDropAdapter<TYPE>
extends ViewerDropAdapter

Field Summary
 
Fields inherited from class org.eclipse.jface.viewers.ViewerDropAdapter
LOCATION_AFTER, LOCATION_BEFORE, LOCATION_NONE, LOCATION_ON
 
Constructor Summary
protected DNDDropAdapter(StructuredViewer viewer)
           
protected DNDDropAdapter(Transfer[] transfers, StructuredViewer viewer)
           
 
Method Summary
protected  int determineLocation(DropTargetEvent event)
           
 Transfer[] getTransfers()
           
 StructuredViewer getViewer()
           
 boolean isDropBetweenEnabled()
           
 boolean performDrop(Object data)
           
protected abstract  boolean performDrop(TYPE data, Object target)
           
 void setDropBetweenEnabled(boolean dropBetweenEnabled)
           
protected  void setTransfers(Transfer[] transfers)
           
 boolean validateDrop(Object target, int operation, TransferData type)
           
protected abstract  boolean validateTarget(Object target, int operation)
           
protected  boolean validateTransfer(TransferData type)
           
 
Methods inherited from class org.eclipse.jface.viewers.ViewerDropAdapter
clearState, determineTarget, dragEnter, dragOperationChanged, dragOver, drop, dropAccept, getBounds, getCurrentEvent, getCurrentLocation, getCurrentOperation, getCurrentTarget, getFeedbackEnabled, getSelectedObject, handleException, overrideOperation, setExpandEnabled, setFeedbackEnabled, setScrollEnabled, setScrollExpandEnabled, setSelectionFeedbackEnabled
 
Methods inherited from class org.eclipse.swt.dnd.DropTargetAdapter
dragLeave
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DNDDropAdapter

protected DNDDropAdapter(Transfer[] transfers,
                         StructuredViewer viewer)
Since:
3.0

DNDDropAdapter

protected DNDDropAdapter(StructuredViewer viewer)
Since:
3.3
Method Detail

getTransfers

public Transfer[] getTransfers()
Since:
3.0

setTransfers

protected void setTransfers(Transfer[] transfers)
Since:
3.3

getViewer

public StructuredViewer getViewer()
Overrides:
getViewer in class ViewerDropAdapter

isDropBetweenEnabled

public boolean isDropBetweenEnabled()

setDropBetweenEnabled

public void setDropBetweenEnabled(boolean dropBetweenEnabled)

determineLocation

protected int determineLocation(DropTargetEvent event)
Overrides:
determineLocation in class ViewerDropAdapter

performDrop

public boolean performDrop(Object data)
Specified by:
performDrop in class ViewerDropAdapter

validateDrop

public boolean validateDrop(Object target,
                            int operation,
                            TransferData type)
Specified by:
validateDrop in class ViewerDropAdapter

validateTransfer

protected boolean validateTransfer(TransferData type)
Since:
3.3

validateTarget

protected abstract boolean validateTarget(Object target,
                                          int operation)

performDrop

protected abstract boolean performDrop(TYPE data,
                                       Object target)
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Copyright (c) 2011, 2012 Eike Stepper (Berlin, Germany) and others.