org.jgraph.plaf.basic

Class BasicGraphUI.ComponentHandler

java.lang.Object

java.awt.event.ComponentAdapter

org.jgraph.plaf.basic.BasicGraphUI.ComponentHandler

All Implemented Interfaces:

java.awt.event.ActionListener, java.awt.event.ComponentListener, java.util.EventListener

Enclosing class:

BasicGraphUI

public class BasicGraphUI.ComponentHandler
extends java.awt.event.ComponentAdapter
implements java.awt.event.ActionListener

Updates the preferred size when scrolling (if necessary).

Field Summary

Fields

Modifier and Type	Field and Description
protected javax.swing.JScrollBar	scrollBar ScrollBar that is being adjusted.
protected javax.swing.Timer	timer Timer used when inside a scrollpane and the scrollbar is adjusting.

Constructor Summary

Constructors

Constructor and Description
BasicGraphUI.ComponentHandler()

Method Summary

Methods

Modifier and Type	Method and Description
void	actionPerformed(java.awt.event.ActionEvent ae) Public as a result of Timer.
void	componentMoved(java.awt.event.ComponentEvent e)
protected javax.swing.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 javax.swing.Timer timer

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

scrollBar

protected javax.swing.JScrollBar scrollBar

ScrollBar that is being adjusted.

Constructor Detail

BasicGraphUI.ComponentHandler

public BasicGraphUI.ComponentHandler()

Method Detail

componentMoved

public void componentMoved(java.awt.event.ComponentEvent e)

Specified by:

componentMoved in interface java.awt.event.ComponentListener

Overrides:

componentMoved in class java.awt.event.ComponentAdapter

startTimer

protected void startTimer()

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

getScrollPane

protected javax.swing.JScrollPane getScrollPane()

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

actionPerformed

public void actionPerformed(java.awt.event.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 java.awt.event.ActionListener