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## javax.swing.plaf.basic
Class BasicTreeUI.TreeIncrementAction

    java.lang.Object
      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, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON`

Constructor Summary
`BasicTreeUI.TreeIncrementAction(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, 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

  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`
  Invoked when an action occurs.

### isEnabled

    public boolean isEnabled()

  Description copied from class: `AbstractAction`
  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, false otherwise
  See Also:
    `Action.isEnabled()`

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For 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 2008 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.