javax.swing.plaf.basic
Class BasicTreeUI.TreeHomeAction

java.lang.Object
  extended by javax.swing.AbstractAction
      extended by javax.swing.plaf.basic.BasicTreeUI.TreeHomeAction
All Implemented Interfaces:
ActionListener, Serializable, Cloneable, EventListener, Action
Enclosing class:
BasicTreeUI

public class BasicTreeUI.TreeHomeAction
extends AbstractAction

TreeHomeAction is used to handle end/home actions. Scrolls either the first or last cell to be visible based on direction.

See Also:
Serialized Form

Field Summary
protected  int direction
          The direction, either home or end
 
Fields inherited from class javax.swing.AbstractAction
changeSupport, enabled
 
Fields inherited from interface javax.swing.Action
ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SHORT_DESCRIPTION, SMALL_ICON
 
Constructor Summary
BasicTreeUI.TreeHomeAction(int dir, String name)
          Creates a new TreeHomeAction instance.
 
Method Summary
 void actionPerformed(ActionEvent e)
          Invoked when an action occurs.
 boolean isEnabled()
          Returns true if the action is enabled.
 
Methods inherited from class javax.swing.AbstractAction
addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, putValue, removePropertyChangeListener, setEnabled
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

direction

protected int direction
The direction, either home or end

Constructor Detail

BasicTreeUI.TreeHomeAction

public BasicTreeUI.TreeHomeAction(int dir,
                                  String name)
Creates a new TreeHomeAction instance.

Parameters:
dir - the direction to go to, -1 for home, 1 for end
name - the name of the action
Method Detail

actionPerformed

public void actionPerformed(ActionEvent e)
Invoked when an action occurs.

Parameters:
e - is the event that occured

isEnabled

public boolean isEnabled()
Returns true if the action is enabled.

Specified by:
isEnabled in interface Action
Overrides:
isEnabled in class AbstractAction
Returns:
true if the action is enabled.
See Also:
AbstractAction.setEnabled(boolean)