Class BasicMenuUI.ChangeHandler

java.lang.Object
javax.swing.plaf.basic.BasicMenuUI.ChangeHandler
All Implemented Interfaces:
EventListener, ChangeListener
Enclosing class:
BasicMenuUI
public class BasicMenuUI.ChangeHandler extends Object implements ChangeListener
As of Java 2 platform 1.4, this previously undocumented class is now obsolete. KeyBindings are now managed by the popup menu.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    boolean
    isSelected
    true if an item of popup menu is selected.
    JMenu
    menu
    The instance of JMenu.
    BasicMenuUI
    ui
    The instance of BasicMenuUI.
    Component
    wasFocused
    The component that was focused.

  • Constructor Summary

    Constructors
    Constructor
    Description
    ChangeHandler(JMenu m, BasicMenuUI ui)
    Constructs a new instance of ChangeHandler.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    stateChanged(ChangeEvent e)
    Invoked when the target of the listener has changed its state.

    Methods declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
    boolean
    equals(Object o)
    Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    May cause performance issues, deadlocks and hangs.
    final Class<? extends Object>
    getClass()
    Answers the unique instance of java.lang.Class which represents the class of the receiver.
    int
    hashCode()
    Answers an integer hash code for the receiver.
    final void
    notify()
    Causes one thread which is waiting on the receiver to be made ready to run.
    final void
    notifyAll()
    Causes all threads which are waiting on the receiver to be made ready to run.
    String
    toString()
    Answers a string containing a concise, human-readable description of the receiver.
    final void
    wait()
    Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
    final void
    wait(long time)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
    final void
    wait(long time, int frac)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

  • Field Details

    • ui

      public BasicMenuUI ui
      The instance of BasicMenuUI.

    • isSelected

      public boolean isSelected
      true if an item of popup menu is selected.

    • wasFocused

      public Component wasFocused
      The component that was focused.

  • Constructor Details

    • ChangeHandler

      public ChangeHandler(JMenu m, BasicMenuUI ui)
      Constructs a new instance of ChangeHandler.
      Parameters:
      m - an instance of JMenu
      ui - an instance of BasicMenuUI

  • Method Details

    • stateChanged

      public void stateChanged(ChangeEvent e)
      Description copied from interface: ChangeListener
      Invoked when the target of the listener has changed its state.
      Specified by:
      stateChanged in interface ChangeListener
      Parameters:
      e - a ChangeEvent object