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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IStep;
public abstract class StepActionDelegate extends AbstractListenerActionDelegate {
/**
* @see AbstractDebugActionDelegate#doAction(Object)
*/
protected void doAction(Object object) throws DebugException {
if (object instanceof IStep) {
stepAction((IStep)object);
}
}
/**
* @see AbstractDebugActionDelegate#isRunInBackground()
*/
protected boolean isRunInBackground() {
return true;
}
/**
* @see AbstractDebugActionDelegate#isEnabledFor(Object)
*/
protected boolean isEnabledFor(Object element) {
if (element instanceof IStep) {
return checkCapability((IStep)element);
}
return false;
}
/**
* Returns whether the <code>IStep</code> has the capability to perform the
* requested step action.
*/
protected abstract boolean checkCapability(IStep element);
/**
* Performs the specific step action.
*
* @exception DebugException if the action fails
*/
protected abstract void stepAction(IStep element) throws DebugException;
}
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