org.jgraph.plaf.basic
Class BasicGraphDropTargetListener

java.lang.Object
  org.jgraph.plaf.basic.BasicGraphDropTargetListener

All Implemented Interfaces:

java.awt.dnd.DropTargetListener, java.awt.event.ActionListener, java.util.EventListener, javax.swing.plaf.UIResource

Direct Known Subclasses:

BasicGraphUI.GraphDropTargetListener

public class BasicGraphDropTargetListener
extends java.lang.Object
implements java.awt.dnd.DropTargetListener, javax.swing.plaf.UIResource, java.awt.event.ActionListener

Constructor Summary

BasicGraphDropTargetListener()
construct a DropTargetAutoScroller

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e) The timer fired, perform autoscroll if the pointer is within the autoscroll region.
void	dragEnter(java.awt.dnd.DropTargetDragEvent e)
void	dragExit(java.awt.dnd.DropTargetEvent e)
void	dragOver(java.awt.dnd.DropTargetDragEvent e)
void	drop(java.awt.dnd.DropTargetDropEvent e)
void	dropActionChanged(java.awt.dnd.DropTargetDragEvent e)
protected void	restoreComponentState(javax.swing.JComponent c) called to restore the state of a component in case a drop is not performed.
protected void	restoreComponentStateForDrop(javax.swing.JComponent c) called to restore the state of a component in case a drop is performed.
protected void	saveComponentState(javax.swing.JComponent c) called to save the state of a component in case it needs to be restored because a drop is not performed.
protected void	updateInsertionLocation(javax.swing.JComponent c, java.awt.Point p) called to set the insertion location to match the current mouse pointer coordinates.

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicGraphDropTargetListener

public BasicGraphDropTargetListener()

construct a DropTargetAutoScroller

Method Detail

saveComponentState

protected void saveComponentState(javax.swing.JComponent c)

called to save the state of a component in case it needs to be restored because a drop is not performed.

restoreComponentState

protected void restoreComponentState(javax.swing.JComponent c)

called to restore the state of a component in case a drop is not performed.

restoreComponentStateForDrop

protected void restoreComponentStateForDrop(javax.swing.JComponent c)

called to restore the state of a component in case a drop is performed.

updateInsertionLocation

protected void updateInsertionLocation(javax.swing.JComponent c,
                                       java.awt.Point p)

called to set the insertion location to match the current mouse pointer coordinates.

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

The timer fired, perform autoscroll if the pointer is within the autoscroll region.

Specified by:

actionPerformed in interface java.awt.event.ActionListener

Parameters:

e - the ActionEvent

dragEnter

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

Specified by:

dragEnter in interface java.awt.dnd.DropTargetListener

dragOver

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

Specified by:

dragOver in interface java.awt.dnd.DropTargetListener

dragExit

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

Specified by:

dragExit in interface java.awt.dnd.DropTargetListener

drop

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

Specified by:

drop in interface java.awt.dnd.DropTargetListener

dropActionChanged

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

Specified by:

dropActionChanged in interface java.awt.dnd.DropTargetListener