| 1 | /* |
| 2 | * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * -Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * -Redistribution in binary form must reproduct the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in |
| 13 | * the documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * Neither the name of Sun Microsystems, Inc. or the names of contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * This software is provided "AS IS," without a warranty of any kind. ALL |
| 20 | * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING |
| 21 | * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT |
| 23 | * BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT |
| 24 | * OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS |
| 25 | * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST |
| 26 | * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, |
| 27 | * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY |
| 28 | * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN |
| 29 | * IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. |
| 30 | * |
| 31 | * You acknowledge that Software is not designed, licensed or intended for |
| 32 | * use in the design, construction, operation or maintenance of any nuclear |
| 33 | * facility. |
| 34 | */ |
| 35 | |
| 36 | /* |
| 37 | * @(#)ListDemo.java 1.11 03/01/23 |
| 38 | */ |
| 39 | |
| 40 | |
| 41 | import javax.swing.*; |
| 42 | import javax.swing.event.*; |
| 43 | import javax.swing.text.*; |
| 44 | import javax.swing.border.*; |
| 45 | import javax.swing.colorchooser.*; |
| 46 | import javax.swing.filechooser.*; |
| 47 | import javax.accessibility.*; |
| 48 | |
| 49 | import java.awt.*; |
| 50 | import java.awt.event.*; |
| 51 | import java.beans.*; |
| 52 | import java.util.*; |
| 53 | import java.io.*; |
| 54 | import java.applet.*; |
| 55 | import java.net.*; |
| 56 | |
| 57 | /** |
| 58 | * List Demo. This demo shows that it is not |
| 59 | * always necessary to have an array of objects |
| 60 | * as big as the size of the list stored. |
| 61 | * |
| 62 | * Indeed, in this example, there is no array |
| 63 | * kept for the list data, rather it is generated |
| 64 | * on the fly as only those elements are needed. |
| 65 | * |
| 66 | * @version 1.11 01/23/03 |
| 67 | * @author Jeff Dinkins |
| 68 | */ |
| 69 | public class ListDemo extends DemoModule { |
| 70 | JList list; |
| 71 | |
| 72 | JPanel prefixList; |
| 73 | JPanel suffixList; |
| 74 | |
| 75 | Action prefixAction; |
| 76 | Action suffixAction; |
| 77 | |
| 78 | GeneratedListModel listModel; |
| 79 | |
| 80 | Vector checkboxes = new Vector(); |
| 81 | |
| 82 | /** |
| 83 | * main method allows us to run as a standalone demo. |
| 84 | */ |
| 85 | public static void main(String[] args) { |
| 86 | ListDemo demo = new ListDemo(null); |
| 87 | demo.mainImpl(); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * ListDemo Constructor |
| 92 | */ |
| 93 | public ListDemo(SwingSet2 swingset) { |
| 94 | super(swingset, "ListDemo", "toolbar/JList.gif"); |
| 95 | |
| 96 | loadImages(); |
| 97 | |
| 98 | JLabel description = new JLabel(getString("ListDemo.description")); |
| 99 | getDemoPanel().add(description, BorderLayout.NORTH); |
| 100 | |
| 101 | JPanel centerPanel = new JPanel(); |
| 102 | centerPanel.setLayout(new BoxLayout(centerPanel, BoxLayout.X_AXIS)); |
| 103 | centerPanel.add(Box.createRigidArea(HGAP10)); |
| 104 | getDemoPanel().add(centerPanel, BorderLayout.CENTER); |
| 105 | |
| 106 | JPanel listPanel = new JPanel(); |
| 107 | listPanel.setLayout(new BoxLayout(listPanel, BoxLayout.Y_AXIS)); |
| 108 | listPanel.add(Box.createRigidArea(VGAP10)); |
| 109 | |
| 110 | centerPanel.add(listPanel); |
| 111 | centerPanel.add(Box.createRigidArea(HGAP30)); |
| 112 | |
| 113 | // Create the list |
| 114 | list = new JList(); |
| 115 | list.setCellRenderer(new CompanyLogoListCellRenderer()); |
| 116 | listModel = new GeneratedListModel(this); |
| 117 | list.setModel(listModel); |
| 118 | |
| 119 | // Set the preferred row count. This affects the preferredSize |
| 120 | // of the JList when it's in a scrollpane. |
| 121 | list.setVisibleRowCount(22); |
| 122 | |
| 123 | // Add list to a scrollpane |
| 124 | JScrollPane scrollPane = new JScrollPane(list); |
| 125 | listPanel.add(scrollPane); |
| 126 | listPanel.add(Box.createRigidArea(VGAP10)); |
| 127 | |
| 128 | // Add the control panel (holds the prefix/suffix list and prefix/suffix checkboxes) |
| 129 | JPanel controlPanel = createControlPanel(); |
| 130 | centerPanel.add(createControlPanel()); |
| 131 | |
| 132 | |
| 133 | // create prefixes and suffixes |
| 134 | addPrefix("Tera", true); |
| 135 | addPrefix("Micro", false); |
| 136 | addPrefix("Southern", false); |
| 137 | addPrefix("Net", true); |
| 138 | addPrefix("YoYo", true); |
| 139 | addPrefix("Northern", false); |
| 140 | addPrefix("Tele", false); |
| 141 | addPrefix("Eastern", false); |
| 142 | addPrefix("Neo", false); |
| 143 | addPrefix("Digi", false); |
| 144 | addPrefix("National", false); |
| 145 | addPrefix("Compu", true); |
| 146 | addPrefix("Meta", true); |
| 147 | addPrefix("Info", false); |
| 148 | addPrefix("Western", false); |
| 149 | addPrefix("Data", false); |
| 150 | addPrefix("Atlantic", false); |
| 151 | addPrefix("Advanced", false); |
| 152 | addPrefix("Euro", false); |
| 153 | addPrefix("Pacific", false); |
| 154 | addPrefix("Mobile", false); |
| 155 | addPrefix("In", false); |
| 156 | addPrefix("Computa", false); |
| 157 | addPrefix("Digital", false); |
| 158 | addPrefix("Analog", false); |
| 159 | |
| 160 | addSuffix("Tech", true); |
| 161 | addSuffix("Soft", true); |
| 162 | addSuffix("Telecom", true); |
| 163 | addSuffix("Solutions", false); |
| 164 | addSuffix("Works", true); |
| 165 | addSuffix("Dyne", false); |
| 166 | addSuffix("Services", false); |
| 167 | addSuffix("Vers", false); |
| 168 | addSuffix("Devices", false); |
| 169 | addSuffix("Software", false); |
| 170 | addSuffix("Serv", false); |
| 171 | addSuffix("Systems", true); |
| 172 | addSuffix("Dynamics", true); |
| 173 | addSuffix("Net", false); |
| 174 | addSuffix("Sys", false); |
| 175 | addSuffix("Computing", false); |
| 176 | addSuffix("Scape", false); |
| 177 | addSuffix("Com", false); |
| 178 | addSuffix("Ware", false); |
| 179 | addSuffix("Widgets", false); |
| 180 | addSuffix("Media", false); |
| 181 | addSuffix("Computer", false); |
| 182 | addSuffix("Hardware", false); |
| 183 | addSuffix("Gizmos", false); |
| 184 | addSuffix("Concepts", false); |
| 185 | } |
| 186 | |
| 187 | public JPanel createControlPanel() { |
| 188 | JPanel controlPanel = new JPanel() { |
| 189 | Insets insets = new Insets(0, 4, 10, 10); |
| 190 | public Insets getInsets() { |
| 191 | return insets; |
| 192 | } |
| 193 | }; |
| 194 | controlPanel.setLayout(new BoxLayout(controlPanel, BoxLayout.X_AXIS)); |
| 195 | |
| 196 | JPanel prefixPanel = new JPanel(); |
| 197 | prefixPanel.setLayout(new BoxLayout(prefixPanel, BoxLayout.Y_AXIS)); |
| 198 | prefixPanel.add(new JLabel(getString("ListDemo.prefixes"))); |
| 199 | |
| 200 | JPanel suffixPanel = new JPanel(); |
| 201 | suffixPanel.setLayout(new BoxLayout(suffixPanel, BoxLayout.Y_AXIS)); |
| 202 | suffixPanel.add(new JLabel(getString("ListDemo.suffixes"))); |
| 203 | |
| 204 | prefixList = new JPanel() { |
| 205 | Insets insets = new Insets(0, 4, 0, 0); |
| 206 | public Insets getInsets() { |
| 207 | return insets; |
| 208 | } |
| 209 | }; |
| 210 | prefixList.setLayout(new BoxLayout(prefixList, BoxLayout.Y_AXIS)); |
| 211 | JScrollPane scrollPane = new JScrollPane(prefixList); |
| 212 | scrollPane.getVerticalScrollBar().setUnitIncrement(10); |
| 213 | prefixPanel.add(scrollPane); |
| 214 | prefixPanel.add(Box.createRigidArea(HGAP10)); |
| 215 | |
| 216 | suffixList = new JPanel() { |
| 217 | Insets insets = new Insets(0, 4, 0, 0); |
| 218 | public Insets getInsets() { |
| 219 | return insets; |
| 220 | } |
| 221 | }; |
| 222 | suffixList.setLayout(new BoxLayout(suffixList, BoxLayout.Y_AXIS)); |
| 223 | scrollPane = new JScrollPane(suffixList); |
| 224 | scrollPane.getVerticalScrollBar().setUnitIncrement(10); |
| 225 | suffixPanel.add(scrollPane); |
| 226 | suffixPanel.add(Box.createRigidArea(HGAP10)); |
| 227 | |
| 228 | controlPanel.add(prefixPanel); |
| 229 | controlPanel.add(Box.createRigidArea(HGAP15)); |
| 230 | controlPanel.add(suffixPanel); |
| 231 | return controlPanel; |
| 232 | } |
| 233 | |
| 234 | public void addPrefix(String prefix, boolean selected) { |
| 235 | if(prefixAction == null) { |
| 236 | prefixAction = new UpdatePrefixListAction(listModel); |
| 237 | } |
| 238 | JCheckBox cb = (JCheckBox) prefixList.add(new JCheckBox(prefix)); |
| 239 | checkboxes.addElement(cb); |
| 240 | cb.setSelected(selected); |
| 241 | cb.addActionListener(prefixAction); |
| 242 | if(selected) { |
| 243 | listModel.addPrefix(prefix); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | public void addSuffix(String suffix, boolean selected) { |
| 248 | if(suffixAction == null) { |
| 249 | suffixAction = new UpdateSuffixListAction(listModel); |
| 250 | } |
| 251 | JCheckBox cb = (JCheckBox) suffixList.add(new JCheckBox(suffix)); |
| 252 | checkboxes.addElement(cb); |
| 253 | cb.setSelected(selected); |
| 254 | cb.addActionListener(suffixAction); |
| 255 | if(selected) { |
| 256 | listModel.addSuffix(suffix); |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | class UpdatePrefixListAction extends AbstractAction { |
| 261 | GeneratedListModel listModel; |
| 262 | protected UpdatePrefixListAction(GeneratedListModel listModel) { |
| 263 | this.listModel = listModel; |
| 264 | } |
| 265 | |
| 266 | public void actionPerformed(ActionEvent e) { |
| 267 | JCheckBox cb = (JCheckBox) e.getSource(); |
| 268 | if(cb.isSelected()) { |
| 269 | listModel.addPrefix(cb.getText()); |
| 270 | } else { |
| 271 | listModel.removePrefix(cb.getText()); |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | class UpdateSuffixListAction extends AbstractAction { |
| 277 | GeneratedListModel listModel; |
| 278 | protected UpdateSuffixListAction(GeneratedListModel listModel) { |
| 279 | this.listModel = listModel; |
| 280 | } |
| 281 | |
| 282 | public void actionPerformed(ActionEvent e) { |
| 283 | JCheckBox cb = (JCheckBox) e.getSource(); |
| 284 | if(cb.isSelected()) { |
| 285 | listModel.addSuffix(cb.getText()); |
| 286 | } else { |
| 287 | listModel.removeSuffix(cb.getText()); |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | |
| 293 | class GeneratedListModel extends AbstractListModel { |
| 294 | ListDemo demo; |
| 295 | Permuter permuter; |
| 296 | |
| 297 | public Vector prefix = new Vector(); |
| 298 | public Vector suffix = new Vector(); |
| 299 | |
| 300 | public GeneratedListModel (ListDemo demo) { |
| 301 | this.demo = demo; |
| 302 | } |
| 303 | |
| 304 | private void update() { |
| 305 | permuter = new Permuter(getSize()); |
| 306 | fireContentsChanged(this, 0, getSize()); |
| 307 | } |
| 308 | |
| 309 | public void addPrefix(String s) { |
| 310 | if(!prefix.contains(s)) { |
| 311 | prefix.addElement(s); |
| 312 | update(); |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | public void removePrefix(String s) { |
| 317 | prefix.removeElement(s); |
| 318 | update(); |
| 319 | } |
| 320 | |
| 321 | public void addSuffix(String s) { |
| 322 | if(!suffix.contains(s)) { |
| 323 | suffix.addElement(s); |
| 324 | update(); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | public void removeSuffix(String s) { |
| 329 | suffix.removeElement(s); |
| 330 | update(); |
| 331 | } |
| 332 | |
| 333 | public int getSize() { |
| 334 | return prefix.size() * suffix.size(); |
| 335 | } |
| 336 | |
| 337 | public Object getElementAt(int index) { |
| 338 | if(permuter == null) { |
| 339 | update(); |
| 340 | } |
| 341 | // morph the index to another int -- this has the benefit of |
| 342 | // causing the list to look random. |
| 343 | int j = permuter.map(index); |
| 344 | int ps = prefix.size(); |
| 345 | int ss = suffix.size(); |
| 346 | return (String) prefix.elementAt(j%ps) + (String) suffix.elementAt((j/ps)%ss); |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | ImageIcon images[] = new ImageIcon[7]; |
| 351 | void loadImages() { |
| 352 | images[0] = createImageIcon("list/red.gif", getString("ListDemo.red")); |
| 353 | images[1] = createImageIcon("list/blue.gif", getString("ListDemo.blue")); |
| 354 | images[2] = createImageIcon("list/yellow.gif", getString("ListDemo.yellow")); |
| 355 | images[3] = createImageIcon("list/green.gif", getString("ListDemo.green")); |
| 356 | images[4] = createImageIcon("list/gray.gif", getString("ListDemo.gray")); |
| 357 | images[5] = createImageIcon("list/cyan.gif", getString("ListDemo.cyan")); |
| 358 | images[6] = createImageIcon("list/magenta.gif", getString("ListDemo.magenta")); |
| 359 | } |
| 360 | |
| 361 | class CompanyLogoListCellRenderer extends DefaultListCellRenderer { |
| 362 | public Component getListCellRendererComponent( |
| 363 | JList list, |
| 364 | Object value, |
| 365 | int index, |
| 366 | boolean isSelected, |
| 367 | boolean cellHasFocus) |
| 368 | { |
| 369 | Component retValue = super.getListCellRendererComponent( |
| 370 | list, value, index, isSelected, cellHasFocus |
| 371 | ); |
| 372 | setIcon(images[index%7]); |
| 373 | return retValue; |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | |
| 378 | } |