/*******************************************************************************
 * Copyright (c) 2011, 2012 Formal Mind GmbH and University of Dusseldorf.
 * 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:
 *     Michael Jastram - initial API and implementation
 ******************************************************************************/
package org.eclipse.rmf.reqif10.pror.editor.actions;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.rmf.reqif10.pror.editor.ISpecificationEditor;
import org.eclipse.ui.IEditorActionDelegate;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

/**
 * @author jastram
 * 
 */
public class ToggleSpecRelationsActionDelegate implements
		IEditorActionDelegate, IWorkbenchWindowActionDelegate {

	private IEditorPart editor;

	/**
	 * Informs the Editor of the change, if the active editor happens to be a
	 * {@link ReqIFEditor}.
	 * 
	 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
	 */
	public void run(IAction action) {
		if (editor != null && editor instanceof ISpecificationEditor) {
			((ISpecificationEditor) editor).setShowSpecRelations(action
					.isChecked());
		}
	}

	/*
	 * (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) {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
	 */
	public void dispose() {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.
	 * IWorkbenchWindow)
	 */
	public void init(IWorkbenchWindow window) {
	}

	/**
	 * Keeps track of the active editor.
	 * 
	 * @see org.eclipse.ui.IEditorActionDelegate#setActiveEditor(org.eclipse.jface.action.IAction,
	 *      org.eclipse.ui.IEditorPart)
	 */
	public void setActiveEditor(IAction action, IEditorPart targetEditor) {
		this.editor = targetEditor;
	}

}