java.awt.dnd

Class DragSourceAdapter

java.lang.Object

java.awt.dnd.DragSourceAdapter

All Implemented Interfaces:

DragSourceListener, DragSourceMotionListener, EventListener

public abstract class DragSourceAdapter
extends Object
implements DragSourceListener, DragSourceMotionListener

This class implements DragSourceListener and DragSourceMotionListener, and implements all methods with empty bodies. This allows a listener interested in implementing only a subset of these interfaces to extend this class and override only the desired methods.

Since:

1.4

See Also:

DragSourceEvent, DragSourceListener, DragSourceMotionListener

Constructor Summary

Constructors

Constructor and Description
DragSourceAdapter() Default constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	dragDropEnd(DragSourceDropEvent e) Called when the drag and drop operation is complete.
void	dragEnter(DragSourceDragEvent e) Called when the cursor hotspot enters a drop site which will accept the drag.
void	dragExit(DragSourceEvent e) Called when the cursor hotspot moves outside of a drop site which will accept the drag.
void	dragMouseMoved(DragSourceDragEvent e) Called whenever the mouse is moved during a drag-and-drop operation.
void	dragOver(DragSourceDragEvent e) Called when the cursor hotspot moves inside of a drop site which will accept the drag.
void	dropActionChanged(DragSourceDragEvent e) Called when the user modifies the drop gesture.

Methods inherited from class java.lang.Object

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

Constructor Detail

DragSourceAdapter

public DragSourceAdapter()

Default constructor.

Method Detail

dragEnter

public void dragEnter(DragSourceDragEvent e)

Called when the cursor hotspot enters a drop site which will accept the drag.

Specified by:

dragEnter in interface DragSourceListener

Parameters:

e - the event

dragOver

public void dragOver(DragSourceDragEvent e)

Called when the cursor hotspot moves inside of a drop site which will accept the drag.

Specified by:

dragOver in interface DragSourceListener

Parameters:

e - the event

dragMouseMoved

public void dragMouseMoved(DragSourceDragEvent e)

Called whenever the mouse is moved during a drag-and-drop operation.

Specified by:

dragMouseMoved in interface DragSourceMotionListener

Parameters:

e - the event

dropActionChanged

public void dropActionChanged(DragSourceDragEvent e)

Called when the user modifies the drop gesture. This is often the case when additional mouse or key events are received during the drag.

Specified by:

dropActionChanged in interface DragSourceListener

Parameters:

e - the event

dragExit

public void dragExit(DragSourceEvent e)

Called when the cursor hotspot moves outside of a drop site which will accept the drag. This could also happen if the drop site is no longer active, or no longer accepts the drag.

Specified by:

dragExit in interface DragSourceListener

Parameters:

e - the event

dragDropEnd

public void dragDropEnd(DragSourceDropEvent e)

Called when the drag and drop operation is complete. After this event, getDropSuccess of the event is valid, and getDropAction holds the action requested by the drop site. Furthermore, the DragSourceContext is invalidated.

Specified by:

dragDropEnd in interface DragSourceListener

Parameters:

e - the event