BasicTreeUI.ComponentHandler (Java Platform SE 6) function windowTitle() { if (location.href.indexOf('is-external=true') == -1) { parent.document.title="BasicTreeUI.ComponentHandler (Java Platform SE 6)"; } } Overview  Package   Class  Use  Tree  Deprecated  Index  Help  Java™ PlatformStandard Ed. 6  PREV CLASS   NEXT CLASS FRAMES    NO FRAMES     All Classes 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.ComponentHandlerextends ComponentAdapterimplements 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 BasicTreeUI.ComponentHandler public BasicTreeUI.ComponentHandler() Method Detail componentMoved public void componentMoved(ComponentEvent e) Description copied from class: ComponentAdapter Invoked when the component's position changes. Specified by:componentMoved in interface ComponentListenerOverrides: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 JTree, 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 Overview  Package   Class  Use  Tree  Deprecated  Index  Help  Java™ PlatformStandard Ed. 6  PREV CLASS   NEXT CLASS FRAMES    NO FRAMES     All Classes SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD Submit a bug or featureFor further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright 2009 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.