Package org.eclipse.ui.internal

Class AbstractEnabledHandler

java.lang.Object

org.eclipse.core.commands.common.EventManager

org.eclipse.core.commands.AbstractHandler

org.eclipse.ui.internal.AbstractEnabledHandler

All Implemented Interfaces:

IHandler, IHandler2

Direct Known Subclasses:

AbstractEvaluationHandler

public abstract class AbstractEnabledHandler
extends AbstractHandler

Abstract base class that provides the enabled state, where changing the state fires the HandlerEvent.

Since:

3.3

Constructor Summary

Constructors

Constructor	Description
AbstractEnabledHandler()

Method Summary

Modifier and Type	Method	Description
boolean	isEnabled()	Whether this handler is capable of executing at this time.
protected void	setEnabled(boolean isEnabled)	Sets the enabled state.

Methods inherited from class org.eclipse.core.commands.AbstractHandler

addHandlerListener, dispose, fireHandlerChanged, hasListeners, isHandled, removeHandlerListener, setBaseEnabled, setEnabled

Methods inherited from class org.eclipse.core.commands.common.EventManager

addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.core.commands.IHandler

execute, getHandlerLabel

Constructor Details

AbstractEnabledHandler

public AbstractEnabledHandler()

Method Details

isEnabled

public boolean isEnabled()

Description copied from class: AbstractHandler

Whether this handler is capable of executing at this time. Subclasses may override this method. If clients override this method they should also consider overriding AbstractHandler.setEnabled(Object) so they can be notified about framework execution contexts.

Specified by:

isEnabled in interface IHandler

Overrides:

isEnabled in class AbstractHandler

Returns:

true

See Also:

• AbstractHandler.setEnabled(Object)
• AbstractHandler.setBaseEnabled(boolean)

setEnabled

protected void setEnabled(boolean isEnabled)

Sets the enabled state. Changing the state fires the HandlerEvent.

Parameters:

isEnabled - true to enable the handler, false to disable.