/*******************************************************************************
* Copyright (c) 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.ui.internal;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.HandlerEvent;
/**
* Abstract base class that provides the enabled state, where changing the state
* fires the HandlerEvent.
*
* @since 3.3
*/
public abstract class AbstractEnabledHandler extends AbstractHandler {
private boolean enabled = true;
/*
* (non-Javadoc)
*
* @see org.eclipse.core.commands.AbstractHandler#isEnabled()
*/
public boolean isEnabled() {
return enabled;
}
protected void setEnabled(boolean isEnabled) {
if (enabled != isEnabled) {
enabled = isEnabled;
fireHandlerChanged(new HandlerEvent(this, true, false));
}
}
}