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Java > Open Source Codes > ca > mcgill > sable > soot > editors > ColorManager


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2003 Jennifer Lhotak
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 package ca.mcgill.sable.soot.editors;
21
22 import java.util.HashMap JavaDoc;
23 import java.util.Iterator JavaDoc;
24 import java.util.Map JavaDoc;
25
26 import org.eclipse.swt.graphics.Color;
27 import org.eclipse.swt.graphics.RGB;
28 import org.eclipse.swt.widgets.Display;
29
30
31
32 public class ColorManager {
33
34     protected Map JavaDoc fColorTable = new HashMap JavaDoc(10);
35
36     public void dispose() {
37         if (fColorTable.values() == null) return;
38         Iterator JavaDoc e= fColorTable.values().iterator();
39         while (e.hasNext())
40             ((Color) e.next()).dispose();
41     }
42     public Color getColor(RGB rgb) {
43         Color color= (Color) fColorTable.get(rgb);
44         
45         if (color == null) {
46             color= new Color(Display.getCurrent(), rgb);
47             fColorTable.put(rgb, color);
48         }
49         return color;
50     }
51 }
52
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