org.fopps.ui.actions
Class UndoAction

java.lang.Object
  |
  +--javax.swing.AbstractAction
        |
        +--org.fopps.ui.actions.BaseAction
              |
              +--org.fopps.ui.actions.UndoAction

All Implemented Interfaces:

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

public class UndoAction

extends BaseAction

implements ApplicationListener

Performs an undo. UndoAction behaves different from other actions since it does not depend on selections. It only checks if undo items available and disables itself, if no items available.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.fopps.ui.actions.BaseAction

GROUP, selectedItems

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

UndoAction(ActionHandler pListener)

UndoAction(java.lang.String name, ActionHandler pListener)

UndoAction(java.lang.String name, javax.swing.Icon icon, ActionHandler pListener)

Method Summary

boolean	acceptSelection() Indicates, if an action is able to work with the selected items.
void	actionPerformed(java.awt.event.ActionEvent e)
boolean	addToPopup() Determines, if action should appear in popup menu
void	documentChanged(ApplicationEvent pEvent)
void	itemStateChanged(java.awt.event.ItemEvent e) Handler of itemListener.
void	updateState() Force refresh of action

Methods inherited from class org.fopps.ui.actions.BaseAction

addToMenu, addToToolBar, clearSelection, compareTo, getAccelerator, getActionHandler, getApplication, getContainer, getGroup, getIcon, getLocaleName, getLongDescription, getMnemonic, getName, getSelectedItems, getSelectionSize, getShortDescription, isStringPropertySet, isTogglable, itemInSelection, setAccelerator, setAccelerator, setAcceleratorWithAlt, setAcceleratorWithCtrl, setAcceleratorWithShift, setGroup, setLocaleName, setLongDescription, setMnemonic, setMnemonic, setShortDescription, toString

Methods inherited from class javax.swing.AbstractAction

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

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoAction

public UndoAction(ActionHandler pListener)

UndoAction

public UndoAction(java.lang.String name,
                  ActionHandler pListener)

UndoAction

public UndoAction(java.lang.String name,
                  javax.swing.Icon icon,
                  ActionHandler pListener)

Method Detail

itemStateChanged

public void itemStateChanged(java.awt.event.ItemEvent e)

Handler of itemListener.

Specified by:

itemStateChanged in interface java.awt.event.ItemListener

Overrides:

itemStateChanged in class BaseAction

documentChanged

public void documentChanged(ApplicationEvent pEvent)

Specified by:

documentChanged in interface ApplicationListener

acceptSelection

public boolean acceptSelection()

Indicates, if an action is able to work with the selected items. If acceptSelection returns false, the action will be disabled. This method is called after every selection change

Overrides:

acceptSelection in class BaseAction

Returns:

true, if action is able to operate on current selection

updateState

public void updateState()

Force refresh of action

Overrides:

updateState in class BaseAction

actionPerformed

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

Specified by:

actionPerformed in interface java.awt.event.ActionListener

Specified by:

actionPerformed in class BaseAction

See Also:

ActionListener.actionPerformed(ActionEvent)

addToPopup

public boolean addToPopup()

Determines, if action should appear in popup menu

Specified by:

addToPopup in class BaseAction

Returns:

true, if action should added to context menu, otherwise false