J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1996-2007 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.beans.editors; |
| 27 | |
| 28 | import java.awt.*; |
| 29 | import java.beans.*; |
| 30 | |
| 31 | public class ColorEditor extends Panel implements PropertyEditor { |
| 32 | public ColorEditor() { |
| 33 | setLayout(null); |
| 34 | |
| 35 | ourWidth = hPad; |
| 36 | |
| 37 | // Create a sample color block bordered in black |
| 38 | Panel p = new Panel(); |
| 39 | p.setLayout(null); |
| 40 | p.setBackground(Color.black); |
| 41 | sample = new Canvas(); |
| 42 | p.add(sample); |
| 43 | sample.reshape(2, 2, sampleWidth, sampleHeight); |
| 44 | add(p); |
| 45 | p.reshape(ourWidth, 2, sampleWidth+4, sampleHeight+4); |
| 46 | ourWidth += sampleWidth + 4 + hPad; |
| 47 | |
| 48 | text = new TextField("", 14); |
| 49 | add(text); |
| 50 | text.reshape(ourWidth,0,100,30); |
| 51 | ourWidth += 100 + hPad; |
| 52 | |
| 53 | choser = new Choice(); |
| 54 | int active = 0; |
| 55 | for (int i = 0; i < colorNames.length; i++) { |
| 56 | choser.addItem(colorNames[i]); |
| 57 | } |
| 58 | add(choser); |
| 59 | choser.reshape(ourWidth,0,100,30); |
| 60 | ourWidth += 100 + hPad; |
| 61 | |
| 62 | resize(ourWidth,40); |
| 63 | } |
| 64 | |
| 65 | public void setValue(Object o) { |
| 66 | Color c = (Color)o; |
| 67 | changeColor(c); |
| 68 | } |
| 69 | |
| 70 | public Dimension preferredSize() { |
| 71 | return new Dimension(ourWidth, 40); |
| 72 | } |
| 73 | |
| 74 | public boolean keyUp(Event e, int key) { |
| 75 | if (e.target == text) { |
| 76 | try { |
| 77 | setAsText(text.getText()); |
| 78 | } catch (IllegalArgumentException ex) { |
| 79 | // Quietly ignore. |
| 80 | } |
| 81 | } |
| 82 | return (false); |
| 83 | } |
| 84 | |
| 85 | public void setAsText(String s) throws java.lang.IllegalArgumentException { |
| 86 | if (s == null) { |
| 87 | changeColor(null); |
| 88 | return; |
| 89 | } |
| 90 | int c1 = s.indexOf(','); |
| 91 | int c2 = s.indexOf(',', c1+1); |
| 92 | if (c1 < 0 || c2 < 0) { |
| 93 | // Invalid string. |
| 94 | throw new IllegalArgumentException(s); |
| 95 | } |
| 96 | try { |
| 97 | int r = Integer.parseInt(s.substring(0,c1)); |
| 98 | int g = Integer.parseInt(s.substring(c1+1, c2)); |
| 99 | int b = Integer.parseInt(s.substring(c2+1)); |
| 100 | Color c = new Color(r,g,b); |
| 101 | changeColor(c); |
| 102 | } catch (Exception ex) { |
| 103 | throw new IllegalArgumentException(s); |
| 104 | } |
| 105 | |
| 106 | } |
| 107 | |
| 108 | public boolean action(Event e, Object arg) { |
| 109 | if (e.target == choser) { |
| 110 | changeColor(colors[choser.getSelectedIndex()]); |
| 111 | } |
| 112 | return false; |
| 113 | } |
| 114 | |
| 115 | public String getJavaInitializationString() { |
| 116 | return (this.color != null) |
| 117 | ? "new java.awt.Color(" + this.color.getRGB() + ",true)" |
| 118 | : "null"; |
| 119 | } |
| 120 | |
| 121 | |
| 122 | private void changeColor(Color c) { |
| 123 | |
| 124 | if (c == null) { |
| 125 | this.color = null; |
| 126 | this.text.setText(""); |
| 127 | return; |
| 128 | } |
| 129 | |
| 130 | color = c; |
| 131 | |
| 132 | text.setText("" + c.getRed() + "," + c.getGreen() + "," + c.getBlue()); |
| 133 | |
| 134 | int active = 0; |
| 135 | for (int i = 0; i < colorNames.length; i++) { |
| 136 | if (color.equals(colors[i])) { |
| 137 | active = i; |
| 138 | } |
| 139 | } |
| 140 | choser.select(active); |
| 141 | |
| 142 | sample.setBackground(color); |
| 143 | sample.repaint(); |
| 144 | |
| 145 | support.firePropertyChange("", null, null); |
| 146 | } |
| 147 | |
| 148 | public Object getValue() { |
| 149 | return color; |
| 150 | } |
| 151 | |
| 152 | public boolean isPaintable() { |
| 153 | return true; |
| 154 | } |
| 155 | |
| 156 | public void paintValue(java.awt.Graphics gfx, java.awt.Rectangle box) { |
| 157 | Color oldColor = gfx.getColor(); |
| 158 | gfx.setColor(Color.black); |
| 159 | gfx.drawRect(box.x, box.y, box.width-3, box.height-3); |
| 160 | gfx.setColor(color); |
| 161 | gfx.fillRect(box.x+1, box.y+1, box.width-4, box.height-4); |
| 162 | gfx.setColor(oldColor); |
| 163 | } |
| 164 | |
| 165 | public String getAsText() { |
| 166 | return (this.color != null) |
| 167 | ? this.color.getRed() + "," + this.color.getGreen() + "," + this.color.getBlue() |
| 168 | : null; |
| 169 | } |
| 170 | |
| 171 | public String[] getTags() { |
| 172 | return null; |
| 173 | } |
| 174 | |
| 175 | public java.awt.Component getCustomEditor() { |
| 176 | return this; |
| 177 | } |
| 178 | |
| 179 | public boolean supportsCustomEditor() { |
| 180 | return true; |
| 181 | } |
| 182 | |
| 183 | public void addPropertyChangeListener(PropertyChangeListener l) { |
| 184 | support.addPropertyChangeListener(l); |
| 185 | } |
| 186 | |
| 187 | public void removePropertyChangeListener(PropertyChangeListener l) { |
| 188 | support.removePropertyChangeListener(l); |
| 189 | } |
| 190 | |
| 191 | |
| 192 | private String colorNames[] = { " ", "white", "lightGray", "gray", "darkGray", |
| 193 | "black", "red", "pink", "orange", |
| 194 | "yellow", "green", "magenta", "cyan", |
| 195 | "blue"}; |
| 196 | private Color colors[] = { null, Color.white, Color.lightGray, Color.gray, Color.darkGray, |
| 197 | Color.black, Color.red, Color.pink, Color.orange, |
| 198 | Color.yellow, Color.green, Color.magenta, Color.cyan, |
| 199 | Color.blue}; |
| 200 | |
| 201 | private Canvas sample; |
| 202 | private int sampleHeight = 20; |
| 203 | private int sampleWidth = 40; |
| 204 | private int hPad = 5; |
| 205 | private int ourWidth; |
| 206 | |
| 207 | private Color color; |
| 208 | private TextField text; |
| 209 | private Choice choser; |
| 210 | |
| 211 | private PropertyChangeSupport support = new PropertyChangeSupport(this); |
| 212 | } |