org.jhotdraw.app.action
Class RedoAction

java.lang.Object
  javax.swing.AbstractAction
      org.jhotdraw.app.action.AbstractViewAction
          org.jhotdraw.app.action.RedoAction

All Implemented Interfaces:

java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action

public class RedoAction
extends AbstractViewAction

Redoes the last user action. In order to work, this action requires that the View returns a project specific undo action when invoking getAction("redo") on the View.

Version:

2.0 2006-06-15 Reworked.
1.0 October 9, 2005 Created.

Author:

Werner Randelshofer

See Also:

Serialized Form

Field Summary

static java.lang.String

ID

Fields inherited from class org.jhotdraw.app.action.AbstractViewAction

ENABLED_PROPERTY, VIEW_PROPERTY

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

RedoAction(Application app)
Creates a new instance.

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e)
protected void	installViewListeners(View p) Installs listeners on the view object.
protected void	uninstallViewListeners(View p) Installs listeners on the view object.
protected void	updateEnabledState()
protected void	updateView(View oldValue, View newValue) Updates the listeners of this action depending on the current view of the application.

Methods inherited from class org.jhotdraw.app.action.AbstractViewAction

getActiveView, getApplication, getPropertyName, isEnabled, setEnabled, setPropertyName, updateEnabled, updateView

Methods inherited from class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, putValue, removePropertyChangeListener

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ID

public static final java.lang.String ID

See Also:

Constant Field Values

Constructor Detail

RedoAction

public RedoAction(Application app)

Creates a new instance.

Method Detail

updateEnabledState

protected void updateEnabledState()

updateView

protected void updateView(View oldValue,
                          View newValue)

Description copied from class: AbstractViewAction

Updates the listeners of this action depending on the current view of the application.

Overrides:

updateView in class AbstractViewAction

installViewListeners

protected void installViewListeners(View p)

Installs listeners on the view object.

Overrides:

installViewListeners in class AbstractViewAction

uninstallViewListeners

protected void uninstallViewListeners(View p)

Installs listeners on the view object.

Overrides:

uninstallViewListeners in class AbstractViewAction

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)