net.clackrouter.jgraph.pad
Class GPGraphUI.ComponentHandler

java.lang.Object
  extended by java.awt.event.ComponentAdapter
      extended by net.clackrouter.jgraph.pad.GPGraphUI.ComponentHandler
All Implemented Interfaces:
java.awt.event.ActionListener, java.awt.event.ComponentListener, java.util.EventListener
Enclosing class:
GPGraphUI

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

Updates the preferred size when scrolling (if necessary).


Field Summary
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
GPGraphUI.ComponentHandler()
           
 
Method Summary
 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

GPGraphUI.ComponentHandler

public GPGraphUI.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