/*
* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
* Base class for all editor actions of Trace Builder
*
*/
package com.nokia.tracebuilder.action;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IEditorActionDelegate;
import org.eclipse.ui.IEditorPart;

import com.nokia.tracebuilder.engine.TraceBuilderGlobals;
import com.nokia.tracebuilder.model.TraceBuilderException;

/**
 * Base class for all editor actions of Trace Builder
 * 
 */
public abstract class TraceBuilderEditorAction implements IEditorActionDelegate {

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.IEditorActionDelegate#setActiveEditor(org.eclipse.jface.action.IAction,
	 *      org.eclipse.ui.IEditorPart)
	 */
	public void setActiveEditor(IAction action, IEditorPart targetEditor) {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
	 */
	public void run(IAction action) {
		try {
			doRun();
		} catch (TraceBuilderException e) {
			TraceBuilderGlobals.getEvents().postError(e);
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
	 *      org.eclipse.jface.viewers.ISelection)
	 */
	public void selectionChanged(IAction action, ISelection selection) {
	}

	/**
	 * Runs this action
	 * 
	 * @throws TraceBuilderException
	 *             if processing fails, shows an error dialog based on the
	 *             exception content
	 */
	protected abstract void doRun() throws TraceBuilderException;

}