Package docking.dnd

Class DragSrcAdapter

java.lang.Object

docking.dnd.DragSrcAdapter

All Implemented Interfaces:

java.awt.dnd.DragSourceListener, java.util.EventListener

public class DragSrcAdapter
extends java.lang.Object
implements java.awt.dnd.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

Change	Modifier and Type	Field	Description
NEW	protected Draggable	dragComponent

Constructor Summary

Constructors

Change	Constructor	Description
DragSrcAdapter(Draggable dragComponent)	Constructor

Method Summary

Change	Modifier and Type	Method	Description
	void	dragDropEnd(java.awt.dnd.DragSourceDropEvent e)	Called when the drag-drop operation completes.
	void	dragEnter(java.awt.dnd.DragSourceDragEvent e)	Called as the hotspot enters a platform dependent drop site.
	void	dragExit(java.awt.dnd.DragSourceEvent e)	Called as the hotspot exits a platform dependent drop site.
	void	dragOver(java.awt.dnd.DragSourceDragEvent e)	Called as the hotspot moves over a platform dependent drop site.
	void	dropActionChanged(java.awt.dnd.DragSourceDragEvent e)	Drop action changed, i.e., ctrl key pressed during drag to change to a copy operation.
NEW	protected java.awt.Cursor	getDropOkCursor(int action)	Get the cursor for an "OK" drop.
NEW	protected void	setDragOverFeedback(java.awt.dnd.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 Detail

dragComponent NEW

protected Draggable dragComponent

Constructor Detail

DragSrcAdapter

public DragSrcAdapter(Draggable dragComponent)

Constructor

Parameters:

dragComponent - component that can be dragged.

Method Detail

dragDropEnd

public void dragDropEnd(java.awt.dnd.DragSourceDropEvent e)

Called when the drag-drop operation completes. Calls the drag component's move() method if the action is a move operation.

Specified by:

dragDropEnd in interface java.awt.dnd.DragSourceListener

dragEnter

public void dragEnter(java.awt.dnd.DragSourceDragEvent e)

Called as the hotspot enters a platform dependent drop site.

Specified by:

dragEnter in interface java.awt.dnd.DragSourceListener

dragOver

public void dragOver(java.awt.dnd.DragSourceDragEvent e)

Called as the hotspot moves over a platform dependent drop site.

Specified by:

dragOver in interface java.awt.dnd.DragSourceListener

dragExit

public void dragExit(java.awt.dnd.DragSourceEvent e)

Called as the hotspot exits a platform dependent drop site.

Specified by:

dragExit in interface java.awt.dnd.DragSourceListener

dropActionChanged

public void dropActionChanged(java.awt.dnd.DragSourceDragEvent e)

Drop action changed, i.e., ctrl key pressed during drag to change to a copy operation.

Specified by:

dropActionChanged in interface java.awt.dnd.DragSourceListener

setDragOverFeedback NEW

protected void setDragOverFeedback(java.awt.dnd.DragSourceDragEvent e)

Sets the cursor according to the actions that are legal.

getDropOkCursor NEW

protected java.awt.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