org.artoflife.gui.population
Class PopulationViewDropTargetListener

java.lang.Object
  |
  +--org.artoflife.util.dnd.ThumbnailIconDropTargetListener
        |
        +--org.artoflife.gui.population.PopulationViewDropTargetListener

All Implemented Interfaces:

java.awt.dnd.DropTargetListener, java.util.EventListener

public class PopulationViewDropTargetListener

extends ThumbnailIconDropTargetListener

A lot of this is copied from TransferHandler$DropHandler, the default Swing drop handler, modified to handle the distinction between MOVE within a PopulationView and COPY from another one.

Author:

Steve Meyfroidt

Field Summary

Fields inherited from class org.artoflife.util.dnd.ThumbnailIconDropTargetListener

lastDragImageBounds, lastMousePosition, thumbnailIcon

Constructor Summary

PopulationViewDropTargetListener()

Method Summary

void	dragEnter(java.awt.dnd.DropTargetDragEvent dtde) Initialise everything here so can paint icon while tracking in dragOver.
void	dragExit(java.awt.dnd.DropTargetEvent dte) Must call this from subclass dragExit() implementation.
void	dragOver(java.awt.dnd.DropTargetDragEvent dtde) If got a thumbnail icon to paint then track cursor with it.
void	drop(java.awt.dnd.DropTargetDropEvent dtde) Must call this from subclass drop() implementation.
void	dropActionChanged(java.awt.dnd.DropTargetDragEvent dtde)

Methods inherited from class java.lang.Object

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

Constructor Detail

PopulationViewDropTargetListener

public PopulationViewDropTargetListener()

Method Detail

dragEnter

public void dragEnter(java.awt.dnd.DropTargetDragEvent dtde)

Description copied from class: ThumbnailIconDropTargetListener

Initialise everything here so can paint icon while tracking in dragOver.

Must call this from subclasses after accepting the drag else you will see "No current drop operation" exceptions from the underlying AWT DnD implementation.

Specified by:

dragEnter in interface java.awt.dnd.DropTargetListener

Overrides:

dragEnter in class ThumbnailIconDropTargetListener

See Also:

DropTargetListener.dragEnter(DropTargetDragEvent)

dragOver

public void dragOver(java.awt.dnd.DropTargetDragEvent dtde)

Description copied from class: ThumbnailIconDropTargetListener

If got a thumbnail icon to paint then track cursor with it.

Must call this from subclass dragOver implementations.

Specified by:

dragOver in interface java.awt.dnd.DropTargetListener

Overrides:

dragOver in class ThumbnailIconDropTargetListener

See Also:

DropTargetListener.dragOver(DropTargetDragEvent)

dropActionChanged

public void dropActionChanged(java.awt.dnd.DropTargetDragEvent dtde)

See Also:

DropTargetListener.dropActionChanged(DropTargetDragEvent)

dragExit

public void dragExit(java.awt.dnd.DropTargetEvent dte)

Description copied from class: ThumbnailIconDropTargetListener

Must call this from subclass dragExit() implementation.

Specified by:

dragExit in interface java.awt.dnd.DropTargetListener

Overrides:

dragExit in class ThumbnailIconDropTargetListener

See Also:

DropTargetListener.dragExit(DropTargetEvent)

drop

public void drop(java.awt.dnd.DropTargetDropEvent dtde)

Description copied from class: ThumbnailIconDropTargetListener

Must call this from subclass drop() implementation.

Specified by:

drop in interface java.awt.dnd.DropTargetListener

Overrides:

drop in class ThumbnailIconDropTargetListener

See Also:

DropTargetListener.drop(DropTargetDropEvent)