edu.duke.cs.ambient.internal.ui.actions.AmbientSelectionAction.java Source code

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/*******************************************************************************
 * Copyright (c) 2004 Duke University
 *
 * 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.cs.duke.edu/csed/ambient/copyright.html
 * 
*******************************************************************************/
/*
 * Created on Nov 19, 2003
 *
 */
package edu.duke.cs.ambient.internal.ui.actions;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

/**
 * @author Duke Curious 2004
 */
public abstract class AmbientSelectionAction extends Action implements IWorkbenchWindowActionDelegate {

    protected ISelection fSelection;

    /**
     * default constructor
     */
    public AmbientSelectionAction() {
        fSelection = StructuredSelection.EMPTY;
    }

    /* (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) {
        //remember the element the user selected last
        fSelection = selection;
    }

    /**
     * 
     * @return the last selected element
     */
    public ISelection getSelection() {
        return fSelection;
    }
}