/*******************************************************************************
 * Copyright (c) 2006, 2012 Oracle Corporation and others.
 * 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:
 *     Oracle Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.bpel.ui.editors.xpath;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;

/**
 * @author Michal Chmielewski (michal.chmielewski@oracle.com)
 * @date Oct 25, 2006
 *
 */

@SuppressWarnings("unchecked")

public class ColorManager {

	protected Map fColorTable = new HashMap(10);

	/**
	 * 
	 */
	
	public void dispose() {
		Iterator e = fColorTable.values().iterator();
		while (e.hasNext())
			 ((Color) e.next()).dispose();
	}
	
	/**
	 * 
	 * @param rgb
	 * @return the color from the color table.
	 */
	
	public Color getColor(RGB rgb) {
		Color color = (Color) fColorTable.get(rgb);
		if (color == null) {
			color = new Color(Display.getCurrent(), rgb);
			fColorTable.put(rgb, color);
		}
		return color;
	}

}