edu.neu.ccs.gui
Class ChangeAction

java.lang.Object
  javax.swing.AbstractAction
      edu.neu.ccs.gui.ChangeAction

All Implemented Interfaces:

Action, ActionListener, Cloneable, EventListener, Serializable

public abstract class ChangeAction

extends AbstractAction

Encapsulates an action that is performed as a result of a ChangeEvent.

Since:

1.0.1

Version:

2.2

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.AbstractAction

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

ChangeAction()
Constructs a change action with no name or icon.

ChangeAction(String name)
Constructs a change action with the given name but no icon.

ChangeAction(String name, Icon icon)
Constructs a change action with the given name and icon.

Method Summary

void	actionPerformed(ActionEvent evt) Performs this action by calling the changeActionPerformed method of this class intended to perform tasks requiring information contained in the ChangeEvent triggering this action.
abstract void	changeActionPerformed(ChangeEvent gevt) Performs the tasks encapsulated by this action.

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

Constructor Detail

ChangeAction

public ChangeAction()

Constructs a change action with no name or icon.

ChangeAction

public ChangeAction(String name)

Constructs a change action with the given name but no icon.

Parameters:

name - the name for this action

ChangeAction

public ChangeAction(String name,
                    Icon icon)

Constructs a change action with the given name and icon.

Parameters:

name - the name for this action

icon - the icon for this action

Method Detail

actionPerformed

public final void actionPerformed(ActionEvent evt)

Performs this action by calling the changeActionPerformed method of this class intended to perform tasks requiring information contained in the ChangeEvent triggering this action. If the given event is not a ChangeActionEvent, this action is not performed.

Parameters:

evt - an object encapsulating an event that triggered this action

changeActionPerformed

public abstract void changeActionPerformed(ChangeEvent gevt)

Performs the tasks encapsulated by this action. Subclasses should override this method to provide tasks this action performs.

Parameters:

gevt - the change event that triggered this action