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спецификации, руководства, описания, API
JavaTM 2 Platform
Std. Ed. v1.3.1

javax.swing.plaf.basic
Class BasicTreeUI.TreePageAction

java.lang.Object
  |
  +--javax.swing.AbstractAction
        |
        +--javax.swing.plaf.basic.BasicTreeUI.TreePageAction
All Implemented Interfaces:
Action, ActionListener, Cloneable, EventListener, Serializable
Enclosing class:
BasicTreeUI

public class BasicTreeUI.TreePageAction
extends AbstractAction

TreePageAction handles page up and page down events.

See Also:
Serialized Form

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.TreePageAction(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, getKeys, 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
Specifies the direction to adjust the selection by.
Constructor Detail

BasicTreeUI.TreePageAction

public BasicTreeUI.TreePageAction(int direction,
                                  String name)
Method Detail

actionPerformed

public void actionPerformed(ActionEvent e)
Description copied from interface: ActionListener
Invoked when an action occurs.

isEnabled

public boolean isEnabled()
Description copied from class: AbstractAction
Returns true if the action is enabled.
Overrides:
isEnabled in class AbstractAction
Following copied from class: javax.swing.AbstractAction
Returns:
true if the action is enabled, false otherwise
See Also:
Action.isEnabled()

JavaTM 2 Platform
Std. Ed. v1.3.1

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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.

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