javax.swing.plaf.basic: public class: BasicTreeUI.TreePageAction

javax.swing.plaf.basic
public class: BasicTreeUI.TreePageAction [javadoc | source]

java.lang.Object
   javax.swing.AbstractAction
      javax.swing.plaf.basic.BasicTreeUI$TreePageAction

All Implemented Interfaces:
Action, Cloneable, Serializable

TreePageAction handles page up and page down events.

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

Fields inherited from javax.swing.AbstractAction:
enabled, changeSupport

Constructor:
public TreePageAction(int direction, String name) { this(direction, name, false, true); }

Method from javax.swing.plaf.basic.BasicTreeUI$TreePageAction Summary:
actionPerformed, isEnabled

Methods from javax.swing.AbstractAction:
addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, hasSelectedKey, isEnabled, isSelected, putValue, removePropertyChangeListener, setEnabled, setEnabledFromAction, setToolTipTextFromAction, shouldReconfigure

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from javax.swing.plaf.basic.BasicTreeUI$TreePageAction Detail:
public void actionPerformed(ActionEvent e) { if (tree != null) { SHARED_ACTION.page(tree, BasicTreeUI.this, direction, addToSelection, changeSelection); } }
public boolean isEnabled() { return (tree != null && tree.isEnabled()); }

Method from javax.swing.plaf.basic.BasicTreeUI$TreePageAction Detail:

 public  void actionPerformed(ActionEvent e) {
            if (tree != null) {
                SHARED_ACTION.page(tree, BasicTreeUI.this, direction,
                                   addToSelection, changeSelection);
            }
}

 public boolean isEnabled() {
 return (tree != null &&
                                             tree.isEnabled());
}