public class BasicTreeUI.TreePageAction extends AbstractAction
TreePageAction handles page up and page down events.
protected int direction
Specifies the direction to adjust the selection by.
public TreePageAction(int direction, String name)
public void actionPerformed(ActionEvent e)
Description copied from interface: ActionListener
Invoked when an action occurs.
public boolean isEnabled()
Description copied from class: AbstractAction
Returns true if the action is enabled.
isEnabled
in interface Action
isEnabled
in class AbstractAction
Action.isEnabled()
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