1/* 2 * Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.beans.editors; 27 28import java.awt.*; 29import java.beans.*; 30 31public class ColorEditor extends Panel implements PropertyEditor { 32 private static final long serialVersionUID = 1781257185164716054L; 33 34 @SuppressWarnings("deprecation") 35 public ColorEditor() { 36 setLayout(null); 37 38 ourWidth = hPad; 39 40 // Create a sample color block bordered in black 41 Panel p = new Panel(); 42 p.setLayout(null); 43 p.setBackground(Color.black); 44 sample = new Canvas(); 45 p.add(sample); 46 sample.reshape(2, 2, sampleWidth, sampleHeight); 47 add(p); 48 p.reshape(ourWidth, 2, sampleWidth+4, sampleHeight+4); 49 ourWidth += sampleWidth + 4 + hPad; 50 51 text = new TextField("", 14); 52 add(text); 53 text.reshape(ourWidth,0,100,30); 54 ourWidth += 100 + hPad; 55 56 choser = new Choice(); 57 int active = 0; 58 for (int i = 0; i < colorNames.length; i++) { 59 choser.addItem(colorNames[i]); 60 } 61 add(choser); 62 choser.reshape(ourWidth,0,100,30); 63 ourWidth += 100 + hPad; 64 65 resize(ourWidth,40); 66 } 67 68 public void setValue(Object o) { 69 Color c = (Color)o; 70 changeColor(c); 71 } 72 73 @SuppressWarnings("deprecation") 74 public Dimension preferredSize() { 75 return new Dimension(ourWidth, 40); 76 } 77 78 @SuppressWarnings("deprecation") 79 public boolean keyUp(Event e, int key) { 80 if (e.target == text) { 81 try { 82 setAsText(text.getText()); 83 } catch (IllegalArgumentException ex) { 84 // Quietly ignore. 85 } 86 } 87 return (false); 88 } 89 90 public void setAsText(String s) throws java.lang.IllegalArgumentException { 91 if (s == null) { 92 changeColor(null); 93 return; 94 } 95 int c1 = s.indexOf(','); 96 int c2 = s.indexOf(',', c1+1); 97 if (c1 < 0 || c2 < 0) { 98 // Invalid string. 99 throw new IllegalArgumentException(s); 100 } 101 try { 102 int r = Integer.parseInt(s.substring(0,c1)); 103 int g = Integer.parseInt(s.substring(c1+1, c2)); 104 int b = Integer.parseInt(s.substring(c2+1)); 105 Color c = new Color(r,g,b); 106 changeColor(c); 107 } catch (Exception ex) { 108 throw new IllegalArgumentException(s); 109 } 110 111 } 112 113 @SuppressWarnings("deprecation") 114 public boolean action(Event e, Object arg) { 115 if (e.target == choser) { 116 changeColor(colors[choser.getSelectedIndex()]); 117 } 118 return false; 119 } 120 121 public String getJavaInitializationString() { 122 return (this.color != null) 123 ? "new java.awt.Color(" + this.color.getRGB() + ",true)" 124 : "null"; 125 } 126 127 128 private void changeColor(Color c) { 129 130 if (c == null) { 131 this.color = null; 132 this.text.setText(""); 133 return; 134 } 135 136 color = c; 137 138 text.setText("" + c.getRed() + "," + c.getGreen() + "," + c.getBlue()); 139 140 int active = 0; 141 for (int i = 0; i < colorNames.length; i++) { 142 if (color.equals(colors[i])) { 143 active = i; 144 } 145 } 146 choser.select(active); 147 148 sample.setBackground(color); 149 sample.repaint(); 150 151 support.firePropertyChange("", null, null); 152 } 153 154 public Object getValue() { 155 return color; 156 } 157 158 public boolean isPaintable() { 159 return true; 160 } 161 162 public void paintValue(java.awt.Graphics gfx, java.awt.Rectangle box) { 163 Color oldColor = gfx.getColor(); 164 gfx.setColor(Color.black); 165 gfx.drawRect(box.x, box.y, box.width-3, box.height-3); 166 gfx.setColor(color); 167 gfx.fillRect(box.x+1, box.y+1, box.width-4, box.height-4); 168 gfx.setColor(oldColor); 169 } 170 171 public String getAsText() { 172 return (this.color != null) 173 ? this.color.getRed() + "," + this.color.getGreen() + "," + this.color.getBlue() 174 : null; 175 } 176 177 public String[] getTags() { 178 return null; 179 } 180 181 public java.awt.Component getCustomEditor() { 182 return this; 183 } 184 185 public boolean supportsCustomEditor() { 186 return true; 187 } 188 189 public void addPropertyChangeListener(PropertyChangeListener l) { 190 support.addPropertyChangeListener(l); 191 } 192 193 public void removePropertyChangeListener(PropertyChangeListener l) { 194 support.removePropertyChangeListener(l); 195 } 196 197 198 private String colorNames[] = { " ", "white", "lightGray", "gray", "darkGray", 199 "black", "red", "pink", "orange", 200 "yellow", "green", "magenta", "cyan", 201 "blue"}; 202 private Color colors[] = { null, Color.white, Color.lightGray, Color.gray, Color.darkGray, 203 Color.black, Color.red, Color.pink, Color.orange, 204 Color.yellow, Color.green, Color.magenta, Color.cyan, 205 Color.blue}; 206 207 private Canvas sample; 208 private int sampleHeight = 20; 209 private int sampleWidth = 40; 210 private int hPad = 5; 211 private int ourWidth; 212 213 private Color color; 214 private TextField text; 215 private Choice choser; 216 217 private PropertyChangeSupport support = new PropertyChangeSupport(this); 218} 219