org.jgraph.plaf.basic
Class BasicGraphUI.ComponentHandler

java.lang.Object
  java.awt.event.ComponentAdapter
      org.jgraph.plaf.basic.BasicGraphUI.ComponentHandler

All Implemented Interfaces:

ActionListener, ComponentListener, EventListener

Enclosing class:

BasicGraphUI

public class BasicGraphUI.ComponentHandler
extends ComponentAdapter
implements ActionListener

Updates the preferred size when scrolling (if necessary).

Field Summary

protected JScrollBar	scrollBar ScrollBar that is being adjusted.
protected Timer	timer Timer used when inside a scrollpane and the scrollbar is adjusting.

Constructor Summary

BasicGraphUI.ComponentHandler()

Method Summary

void	actionPerformed(ActionEvent ae) Public as a result of Timer.
void	componentMoved(ComponentEvent e)
protected JScrollPane	getScrollPane() Returns the JScrollPane housing the JGraph, or null if one isn't found.
protected void	startTimer() Creates, if necessary, and starts a Timer to check if need to resize the bounds.

Methods inherited from class java.awt.event.ComponentAdapter

componentHidden, componentResized, componentShown

Methods inherited from class java.lang.Object

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

Field Detail

timer

protected Timer timer

Timer used when inside a scrollpane and the scrollbar is adjusting.

scrollBar

protected JScrollBar scrollBar

ScrollBar that is being adjusted.

Constructor Detail

BasicGraphUI.ComponentHandler

public BasicGraphUI.ComponentHandler()

Method Detail

componentMoved

public void componentMoved(ComponentEvent e)

Specified by:

componentMoved in interface ComponentListener

Overrides:

componentMoved in class ComponentAdapter

startTimer

protected void startTimer()

Creates, if necessary, and starts a Timer to check if need to resize the bounds.

getScrollPane

protected JScrollPane getScrollPane()

Returns the JScrollPane housing the JGraph, or null if one isn't found.

actionPerformed

public void actionPerformed(ActionEvent ae)

Public as a result of Timer. If the scrollBar is null, or not adjusting, this stops the timer and updates the sizing.

Specified by:

actionPerformed in interface ActionListener