BasicTreeUI.ComponentHandler (Java 2 Platform SE v1.4.2) - Java 2 SDK v1.4.2, Java 2 SDK 英文文档

Overview

Package

Class

Use

Tree

Deprecated

Index

Help

Java^TM 2 Platform
Std. Ed. v1.4.2

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

javax.swing.plaf.basic
Class BasicTreeUI.ComponentHandler

java.lang.Object
  java.awt.event.ComponentAdapter
      javax.swing.plaf.basic.BasicTreeUI.ComponentHandler

All Implemented Interfaces:: ActionListener, ComponentListener, EventListener

Enclosing class:: BasicTreeUI

public class BasicTreeUI.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

BasicTreeUI.ComponentHandler()


Method Summary

void actionPerformed(ActionEvent ae)
          Public as a result of Timer.

void componentMoved(ComponentEvent e)
          Invoked when the component's position changes.

protected JScrollPane getScrollPane()
          Returns the JScrollPane housing the JTree, 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