colormanager.java

来自「一个eclipse插件源代码。用于web开发」· Java 代码 · 共 58 行

/*
 * $Header: /home/cvs/WEBPUMP2.0/WebPumpIDE_Src/WebPumpIDE/src/com/webpump/ui/bind/editors/ColorManager.java,v 1.1.1.1 2004/07/01 09:07:41 wang_j Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2004/07/01 09:07:41 $
 *
 * ====================================================================
 *
 * The NanJing HopeRun(IT-FOREST) Software License, Version 2.0.0
 *
 * Copyright 2003-2004 by NanJing HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and
 *                        IT Forest Corporation
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of
 * HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and IT Forest Corporation.
 * You shall not disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into with
 * HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and IT Forest Corporation.
 */
package com.webpump.ui.bind.editors;

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;
/**
 * Class for manage the colors which will be used in the BindEditor for displaying
 * the different parts of the document
 * 
 * @author zhang_tx
 * @version 2.0.0 2004-2-13
 */
public class ColorManager {
	/** storer of the colors used to display the partitions in the document */
	protected Map fColorTable = new HashMap(10);

	public void dispose() {
		Iterator e = fColorTable.values().iterator();
		while (e.hasNext())
			 ((Color) e.next()).dispose();
	}
	/** to get the color give with the parameter rgb 
	 * 
	 * @param RGB rge     the color to get 
	 */
	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;
	}
}