csheets.ui.ctrl
Class BaseAction

java.lang.Object
  javax.swing.AbstractAction
      csheets.ui.ctrl.BaseAction

All Implemented Interfaces:

ActionListener, Serializable, Cloneable, EventListener, Action

Direct Known Subclasses:

AboutAction, FocusOwnerAction, HelpAction, LicenseAction, NewAction, OpenAction, PreferencesAction, SaveAsAction

public abstract class BaseAction
extends AbstractAction

An base-class for actions.

Author:

Einar Pehrson

See Also:

Serialized Form

Field Summary

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

BaseAction()
Creates a new base action.

Method Summary

protected void	defineProperties() Defines the action's properties.
protected abstract String	getName() Returns the action's name.
protected boolean	requiresFile() Returns whether the action requires the active workbook to be stored in a file in order to be enabled.
protected boolean	requiresModification() Returns whether the action requires the active workbook to be modified in order to be enabled.
protected void	showErrorDialog(Object message) Shows the user an error message.

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, toString, wait, wait, wait

Methods inherited from interface java.awt.event.ActionListener

actionPerformed

Constructor Detail

BaseAction

public BaseAction()

Creates a new base action.

Method Detail

getName

protected abstract String getName()

Returns the action's name.

Returns:

the action's name, which is used as short description and action command

defineProperties

protected void defineProperties()

Defines the action's properties.

requiresModification

protected boolean requiresModification()

Returns whether the action requires the active workbook to be modified in order to be enabled. By default, the method returns false.

Returns:

whether the action should be enabled

requiresFile

protected boolean requiresFile()

Returns whether the action requires the active workbook to be stored in a file in order to be enabled. By default, the method returns false.

Returns:

whether the action should be enabled

showErrorDialog

protected void showErrorDialog(Object message)

Shows the user an error message.