Source for gnu.java.beans.editors.ColorEditor

   1: /* gnu.java.beans.editors.ColorEditor
   2:    Copyright (C) 1998 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10:  
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.java.beans.editors;
  40: 
  41: import java.awt.Color;
  42: import java.beans.PropertyEditorSupport;
  43: 
  44: /**
  45:  ** NativeByteEditor is a property editor for the
  46:  ** byte type.
  47:  **
  48:  ** @author John Keiser
  49:  ** @version 1.1.0, 29 Jul 1998
  50:  **/
  51: 
  52: public class ColorEditor extends PropertyEditorSupport {
  53:     Color[] stdColors = {Color.black,Color.blue,Color.cyan,
  54:                          Color.darkGray,Color.gray,Color.green,
  55:                          Color.lightGray,Color.magenta,Color.orange,
  56:                          Color.pink,Color.red,Color.white,
  57:                          Color.yellow};
  58:     String[] stdColorNames = {"black","blue","cyan",
  59:                               "dark gray","gray","green",
  60:                               "light gray","magenta","orange",
  61:                               "pink","red","white",
  62:                               "yellow"};
  63: 
  64:     /** setAsText for Color checks for standard color names
  65:      ** and then checks for a #RRGGBB value or just RRGGBB,
  66:      ** both in hex.
  67:      **/
  68:     public void setAsText(String val) throws IllegalArgumentException {
  69:         if(val.length() == 0) {
  70:             throw new IllegalArgumentException("Tried to set empty value!");
  71:         }
  72:         for(int i=0;i<stdColorNames.length;i++) {
  73:             if(stdColorNames[i].equalsIgnoreCase(val)) {
  74:                 setValue(stdColors[i]);
  75:                 return;
  76:             }
  77:         }
  78:         if(val.charAt(0) == '#') {
  79:             setValue(new Color(Integer.parseInt(val.substring(1),16)));
  80:         } else {
  81:             setValue(new Color(Integer.parseInt(val,16)));
  82:         }
  83:     }
  84: 
  85:     /** getAsText for Color turns the color into either one of the standard
  86:      ** colors or into an RGB hex value with # prepended. **/
  87:     public String getAsText() {
  88:         for(int i=0;i<stdColors.length;i++) {
  89:             if(stdColors[i].equals(getValue())) {
  90:                 return stdColorNames[i];
  91:             }
  92:         }
  93:         return "#" + Integer.toHexString(((Color)getValue()).getRGB() & 0x00FFFFFF);
  94:     }
  95: 
  96:     /** getTags for Color returns a list of standard colors. **/
  97:     public String[] getTags() {
  98:         return stdColorNames;
  99:     }
 100: }