edu.udo.cs.yale.gui
Class ConditionalAction

java.lang.Object
  javax.swing.AbstractAction
      edu.udo.cs.yale.gui.ConditionalAction

All Implemented Interfaces:

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

Direct Known Subclasses:

MainFrame.ResumeAction, MainFrame.RunAction, MainFrame.StopAction, MainFrame.ValidateExperiment, OperatorTree.CopyAction, OperatorTree.CutAction, OperatorTree.DeleteOperatorAction, OperatorTree.InfoOperatorAction, OperatorTree.NewBuildingBlockAction, OperatorTree.NewOperatorAction, OperatorTree.PasteAction, OperatorTree.RenameOperatorAction, OperatorTree.SaveBuildingBlockAction, TreePanel.MoveDownAction, TreePanel.MoveUpAction, XMLEditor.SearchAction

public abstract class ConditionalAction
extends javax.swing.AbstractAction

An action that must be enabled/disabled depending on certain conditions. These conditions can be mandatrory, disallowed, or irrelevant. All ConditionalActions created are added to a collection and there status is automatically checked if the condition premises might have changed.

Version:

$Id: ConditionalAction.java,v 2.10 2006/03/27 13:21:58 ingomierswa Exp $

Author:

Ingo Mierswa, Simon Fischer

See Also:

Serialized Form

Field Summary

private static java.util.List<ConditionalAction>	ALL_ACTIONS
static int	CLIPBOARD_FILLED
private int[]	conditions
static int	DISALLOWED
static int	DONT_CARE
static int	EXPERIMENT_RUNNING
static int	MANDATORY
static int	NUMBER_OF_CONDITIONS
static int	OPERATOR_CHAIN_SELECTED
static int	OPERATOR_SELECTED
static int	ROOT_SELECTED
static int	SIBLINGS_EXIST
static int	XML_VIEW

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

ConditionalAction(java.lang.String name)

ConditionalAction(java.lang.String name, javax.swing.Icon icon)

Method Summary

void	setCondition(int index, int condition)
private void	update(boolean[] state) Updates an action given the set of states that can be true or false.
static void	updateAll(boolean[] states) Updates all actions.

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

Field Detail

ALL_ACTIONS

private static final java.util.List<ConditionalAction> ALL_ACTIONS

DISALLOWED

public static final int DISALLOWED

See Also:

Constant Field Values

DONT_CARE

public static final int DONT_CARE

See Also:

Constant Field Values

MANDATORY

public static final int MANDATORY

See Also:

Constant Field Values

OPERATOR_SELECTED

public static final int OPERATOR_SELECTED

See Also:

Constant Field Values

OPERATOR_CHAIN_SELECTED

public static final int OPERATOR_CHAIN_SELECTED

See Also:

Constant Field Values

ROOT_SELECTED

public static final int ROOT_SELECTED

See Also:

Constant Field Values

SIBLINGS_EXIST

public static final int SIBLINGS_EXIST

See Also:

Constant Field Values

CLIPBOARD_FILLED

public static final int CLIPBOARD_FILLED

See Also:

Constant Field Values

EXPERIMENT_RUNNING

public static final int EXPERIMENT_RUNNING

See Also:

Constant Field Values

XML_VIEW

public static final int XML_VIEW

See Also:

Constant Field Values

NUMBER_OF_CONDITIONS

public static final int NUMBER_OF_CONDITIONS

See Also:

Constant Field Values

conditions

private int[] conditions

Constructor Detail

ConditionalAction

public ConditionalAction(java.lang.String name)

ConditionalAction

public ConditionalAction(java.lang.String name,
                         javax.swing.Icon icon)

Method Detail

setCondition

public void setCondition(int index,
                         int condition)

Parameters:

index - one out of OPERATOR_SELECTED, OPERATOR_CHAIN_SELECTED, ROOT_SELECTED, CLIPBOARD_FILLED, and EXPERIMENT_RUNNING

condition - one out of DISALLOWED, DONT_CARE, and MANDATORY

updateAll

public static void updateAll(boolean[] states)

Updates all actions.

update

private void update(boolean[] state)

Updates an action given the set of states that can be true or false. States refer to OPERATOR_SELECTED... An action is enabled iff for all states the condition is DONT_CARE or MANDATORY and state is true or DISALLOWED and state is false.