Package docking.dnd

Class DragSrcAdapter

java.lang.Object

docking.dnd.DragSrcAdapter

All Implemented Interfaces:

DragSourceListener, EventListener

public class DragSrcAdapter
extends Object
implements DragSourceListener

Adapter class that receives notifications in order to provide drag over effects.

When the operation ends, this class receives a dragDropEnd message, and is responsible for checking the success of the operation. If the operation was successful, and if it was a Move, then this class will remove the source data.

Field Summary

Fields

Modifier and Type	Field	Description
protected Draggable	dragComponent

Constructor Summary

Constructors

Constructor	Description
DragSrcAdapter(Draggable dragComponent)	Constructor

Method Summary

Modifier and Type	Method	Description
void	dragDropEnd(DragSourceDropEvent e)
void	dragEnter(DragSourceDragEvent e)
void	dragExit(DragSourceEvent e)
void	dragOver(DragSourceDragEvent e)
void	dropActionChanged(DragSourceDragEvent e)
protected Cursor	getDropOkCursor(int action)	Get the cursor for an "OK" drop.
protected void	setDragOverFeedback(DragSourceDragEvent e)	Sets the cursor according to the actions that are legal.

Methods inherited from class java.lang.Object

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

Field Details

dragComponent

protected Draggable dragComponent

Constructor Details

DragSrcAdapter

public DragSrcAdapter(Draggable dragComponent)

Constructor

Parameters:

dragComponent - component that can be dragged.

Method Details

dragDropEnd

public void dragDropEnd(DragSourceDropEvent e)

Specified by:

dragDropEnd in interface DragSourceListener

dragEnter

public void dragEnter(DragSourceDragEvent e)

Specified by:

dragEnter in interface DragSourceListener

dragOver

public void dragOver(DragSourceDragEvent e)

Specified by:

dragOver in interface DragSourceListener

dragExit

public void dragExit(DragSourceEvent e)

Specified by:

dragExit in interface DragSourceListener

dropActionChanged

public void dropActionChanged(DragSourceDragEvent e)

Specified by:

dropActionChanged in interface DragSourceListener

setDragOverFeedback

protected void setDragOverFeedback(DragSourceDragEvent e)

Sets the cursor according to the actions that are legal.

Parameters:

e - the event

getDropOkCursor

protected Cursor getDropOkCursor(int action)

Get the cursor for an "OK" drop.

Parameters:

action - action for the drag operation (copy, move, link)

Returns:

cursor that is appropriate for the give action