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   1 package net.sourceforge.phpdt.externaltools.internal.model;
   2
   3 /**********************************************************************
   4 Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
   5 This file is made available under the terms of the Common Public License v1.0
   6 which accompanies this distribution, and is available at
   7 http://www.eclipse.org/legal/cpl-v10.html
   8 **********************************************************************/
   9
  10 import java.util.HashMap;
  11 import java.util.Iterator;
  12 import java.util.Map;
  13
  14 import org.eclipse.swt.graphics.Color;
  15 import org.eclipse.swt.graphics.RGB;
  16 import org.eclipse.swt.widgets.Display;
  17
  18 /**
  19  * Generic color manager.
  20  */
  21 public class ColorManager {
  22
  23         private static ColorManager fgColorManager;
  24
  25         private ColorManager() {
  26         }
  27
  28         public static ColorManager getDefault() {
  29                 if (fgColorManager == null) {
  30                         fgColorManager= new ColorManager();
  31                 }
  32                 return fgColorManager;
  33         }
  34
  35         protected Map fColorTable= new HashMap(10);
  36
  37         public Color getColor(RGB rgb) {
  38                 Color color= (Color) fColorTable.get(rgb);
  39                 if (color == null) {
  40                         color= new Color(Display.getCurrent(), rgb);
  41                         fColorTable.put(rgb, color);
  42                 }
  43                 return color;
  44         }
  45
  46         public void dispose() {
  47                 Iterator e= fColorTable.values().iterator();
  48                 while (e.hasNext())
  49                         ((Color) e.next()).dispose();
  50         }
  51 }
  52
  53