BasicTreeUI.TreeIncrementAction (Java 2 Platform SE 5.0) (original) (raw)

javax.swing.plaf.basic

Class BasicTreeUI.TreeIncrementAction

java.lang.Object extended by javax.swing.AbstractAction javax.swing.plaf.basic.BasicTreeUI.TreeIncrementAction

All Implemented Interfaces:

ActionListener, Serializable, Cloneable, EventListener, Action

Enclosing class:

BasicTreeUI

public class BasicTreeUI.TreeIncrementAction

extends AbstractAction

TreeIncrementAction is used to handle up/down actions. Selection is moved up or down based on direction.

Field Summary
protected int	direction Specifies the direction to adjust the selection by.

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.TreeIncrementAction](../../../../javax/swing/plaf/basic/BasicTreeUI.TreeIncrementAction.html#BasicTreeUI.TreeIncrementAction%28int, java.lang.String%29)(int direction,String name)

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](../../../../javax/swing/AbstractAction.html#firePropertyChange%28java.lang.String, java.lang.Object, java.lang.Object%29), getKeys, getPropertyChangeListeners, getValue, [putValue](../../../../javax/swing/AbstractAction.html#putValue%28java.lang.String, java.lang.Object%29), removePropertyChangeListener, setEnabled

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, [wait](../../../../java/lang/Object.html#wait%28long, int%29)

Field Detail

direction

protected int direction

Specifies the direction to adjust the selection by.

Constructor Detail

BasicTreeUI.TreeIncrementAction

public BasicTreeUI.TreeIncrementAction(int direction, String name)

Method Detail

actionPerformed

public void actionPerformed(ActionEvent e)

Description copied from interface: [ActionListener](../../../../java/awt/event/ActionListener.html#actionPerformed%28java.awt.event.ActionEvent%29)

Invoked when an action occurs.

isEnabled

public boolean isEnabled()

Description copied from class: [AbstractAction](../../../../javax/swing/AbstractAction.html#isEnabled%28%29)

Returns true if the action is enabled.

Specified by:

[isEnabled](../../../../javax/swing/Action.html#isEnabled%28%29) in interface [Action](../../../../javax/swing/Action.html "interface in javax.swing")

Overrides:

[isEnabled](../../../../javax/swing/AbstractAction.html#isEnabled%28%29) in class [AbstractAction](../../../../javax/swing/AbstractAction.html "class in javax.swing")

Returns:

true if the action is enabled, false otherwise

See Also:

Action.isEnabled()

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.