be.ugent.caagt.swirl.undoredo
Class UndoAction

java.lang.Object
  javax.swing.AbstractAction
      be.ugent.caagt.swirl.actions.SimpleAction
          be.ugent.caagt.swirl.undoredo.UndoRedoAction
              be.ugent.caagt.swirl.undoredo.UndoAction

All Implemented Interfaces:

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

public class UndoAction
extends UndoRedoAction

Action which undoes the last change registered with the corresponding undo manager. When the action is enabled, the caption is taken from the current UndoableChange in the undo list of the associated UndoManager.

See Also:

Serialized Form

Field Summary

Fields inherited from class be.ugent.caagt.swirl.undoredo.UndoRedoAction

manager

Fields inherited from class be.ugent.caagt.swirl.actions.SimpleAction

MEDIUM_DISABLED_ICON, MEDIUM_ICON, SMALL_DISABLED_ICON, TOGGLE_BUTTON_MODEL

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

UndoAction(UndoManager manager)
Create an action of this type for use with the MenuBuilder.

UndoAction(UndoManager manager, java.util.ResourceBundle bundle, java.lang.String key, javax.swing.Icon icon, javax.swing.Icon mediumIcon, javax.swing.Icon mediumDisabledIcon)
Create an action of this type.

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e) Undoes the current undoable change.
protected java.lang.String	getCaption() Obtain the correct caption from the manager.
void	undoStateChanged() Enables or disables the button according to whether any changes remain to be undone or not.

Methods inherited from class be.ugent.caagt.swirl.undoredo.UndoRedoAction

putValue, setEnabled

Methods inherited from class be.ugent.caagt.swirl.actions.SimpleAction

setMediumDisabledIcon, setMediumIcon, setSharedToggleButtonModel, setSmallDisabledIcon

Methods inherited from class javax.swing.AbstractAction

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

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoAction

public UndoAction(UndoManager manager,
                  java.util.ResourceBundle bundle,
                  java.lang.String key,
                  javax.swing.Icon icon,
                  javax.swing.Icon mediumIcon,
                  javax.swing.Icon mediumDisabledIcon)

Create an action of this type. When the action is enabled, the the caption is taken from the current UndoableChange of the associated UndoManager. Mnemonic and accelerator key are taken from the description object as defined by the parameters bundle and key.

Parameters:

manager - Undo manager to which this action applies

bundle - Resource bundle which contains the description for this action.

key - Key used for the description of this action in the bundle.

icon - Small icon to be used for menu and standard button decoration (or null)

mediumIcon - Medium size icon to be used for tool bar buttons (or null)

mediumDisabledIcon - Medium size icon to be used for a disabled tool bar buttons (or null)

UndoAction

public UndoAction(UndoManager manager)

Create an action of this type for use with the MenuBuilder.

Method Detail

getCaption

protected java.lang.String getCaption()

Description copied from class: UndoRedoAction

Obtain the correct caption from the manager.

Specified by:

getCaption in class UndoRedoAction

actionPerformed

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

Undoes the current undoable change.

Specified by:

actionPerformed in interface java.awt.event.ActionListener

Specified by:

actionPerformed in class SimpleAction

undoStateChanged

public void undoStateChanged()

Enables or disables the button according to whether any changes remain to be undone or not.