/*******************************************************************************
 * 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.ui.views.markers.internal;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;

/**
 * 
 */
class SelectionProviderAdapter implements ISelectionProvider {

	List listeners = new ArrayList();
	ISelection theSelection = null;
		
	public void addSelectionChangedListener(ISelectionChangedListener listener) {
		listeners.add(listener);
	}

	public ISelection getSelection() {
		return theSelection;
	}

	public void removeSelectionChangedListener(ISelectionChangedListener listener) {
		listeners.remove(listener);
	}

	public void setSelection(ISelection selection) {
		theSelection = selection;
		SelectionChangedEvent e = new SelectionChangedEvent(this, selection);
		Iterator iter = listeners.iterator();
		
		while (iter.hasNext()) {
			ISelectionChangedListener next = (ISelectionChangedListener)iter.next();
			
			next.selectionChanged(e);
		}
	}

}