taverna-workbench-selection-api/src/main/java/net/sf/taverna/t2/workbench/selection/events/PerspectiveSelectionEvent.java

/*******************************************************************************
 * Copyright (C) 2012 The University of Manchester
 *
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1 of
 *  the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 ******************************************************************************/
package net.sf.taverna.t2.workbench.selection.events;

import net.sf.taverna.t2.workbench.ui.zaria.PerspectiveSPI;

/**
 * {@link SelectionManagerEvent} for changes to the selected
 * {@linkplain PerspectiveSPI perspective}.
 * 
 * @author David Withers
 */
public class PerspectiveSelectionEvent implements SelectionManagerEvent {
	private PerspectiveSPI previouslySelectedPerspective;
	private PerspectiveSPI selectedPerspective;

	public PerspectiveSelectionEvent(
			PerspectiveSPI previouslySelectedPerspective,
			PerspectiveSPI selectedPerspective) {
		this.previouslySelectedPerspective = previouslySelectedPerspective;
		this.selectedPerspective = selectedPerspective;
	}

	/**
	 * Returns the previously selected Perspective.
	 * 
	 * @return the previously selected Perspective
	 */
	public PerspectiveSPI getPreviouslySelectedPerspective() {
		return previouslySelectedPerspective;
	}

	/**
	 * Returns the currently selected Perspective.
	 * 
	 * @return the currently selected Perspective
	 */
	public PerspectiveSPI getSelectedPerspective() {
		return selectedPerspective;
	}
}