| 1 | // Jomic - a viewer for comic book archives. |
| 2 | // Copyright (C) 2004-2011 Thomas Aglassinger |
| 3 | // |
| 4 | // This program is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | package net.sf.jomic.tools; |
| 17 | |
| 18 | import java.awt.BorderLayout; |
| 19 | import java.awt.Component; |
| 20 | import java.awt.Cursor; |
| 21 | import java.awt.Dimension; |
| 22 | import java.awt.Image; |
| 23 | import java.awt.LayoutManager; |
| 24 | import java.awt.Point; |
| 25 | import java.awt.Toolkit; |
| 26 | import java.awt.event.ActionListener; |
| 27 | import java.awt.event.InputEvent; |
| 28 | import java.awt.event.KeyEvent; |
| 29 | import java.awt.image.MemoryImageSource; |
| 30 | import java.util.HashMap; |
| 31 | import java.util.LinkedList; |
| 32 | import java.util.List; |
| 33 | import java.util.Map; |
| 34 | |
| 35 | import javax.swing.AbstractButton; |
| 36 | import javax.swing.Action; |
| 37 | import javax.swing.BorderFactory; |
| 38 | import javax.swing.Box; |
| 39 | import javax.swing.DefaultCellEditor; |
| 40 | import javax.swing.InputMap; |
| 41 | import javax.swing.JComponent; |
| 42 | import javax.swing.JMenu; |
| 43 | import javax.swing.JMenuBar; |
| 44 | import javax.swing.JMenuItem; |
| 45 | import javax.swing.JPanel; |
| 46 | import javax.swing.JTable; |
| 47 | import javax.swing.JTextField; |
| 48 | import javax.swing.KeyStroke; |
| 49 | import javax.swing.border.Border; |
| 50 | import javax.swing.event.DocumentListener; |
| 51 | import javax.swing.table.TableCellRenderer; |
| 52 | import javax.swing.table.TableColumn; |
| 53 | import javax.swing.table.TableModel; |
| 54 | |
| 55 | import net.sf.jomic.common.PropertyConstants; |
| 56 | |
| 57 | import org.apache.commons.logging.Log; |
| 58 | import org.apache.commons.logging.LogFactory; |
| 59 | |
| 60 | /** |
| 61 | * User interface tools. |
| 62 | * |
| 63 | * @author Thomas Aglassinger |
| 64 | */ |
| 65 | public final class UiTools |
| 66 | { |
| 67 | |
| 68 | /** |
| 69 | * Inset to use at the border of a JFrame or JDialog. |
| 70 | */ |
| 71 | public static final int FRAME_INSET = 16; |
| 72 | private static final int CURSOR_SIZE = 16; |
| 73 | private static final int EMPTY_PIXELS_BETWEEN_BUTTONS = 6; |
| 74 | private static final int KEY_STROKE_HEX_DIGIT_COUNT = 8; |
| 75 | private static final int KEY_STROKE_TEXT_BUFFER_SIZE = 48; |
| 76 | |
| 77 | private static UiTools instance; |
| 78 | private static Cursor invisibleCursor; |
| 79 | private static Log logger = LogFactory.getLog(UiTools.class); |
| 80 | |
| 81 | private ErrorTools errorTools; |
| 82 | private Map keyMap; |
| 83 | private Dimension rigidAreaBetweenButtonsSize; |
| 84 | private StringTools stringTools; |
| 85 | |
| 86 | private UiTools() { |
| 87 | errorTools = ErrorTools.instance(); |
| 88 | stringTools = StringTools.instance(); |
| 89 | rigidAreaBetweenButtonsSize = |
| 90 | new Dimension(EMPTY_PIXELS_BETWEEN_BUTTONS, EMPTY_PIXELS_BETWEEN_BUTTONS); |
| 91 | setUpKeyMap(); |
| 92 | } |
| 93 | |
| 94 | private void setUpKeyMap() { |
| 95 | keyMap = new HashMap(); |
| 96 | addToKeyMap(KeyEvent.VK_COMMA, "COMMA"); |
| 97 | addToKeyMap(KeyEvent.VK_PERIOD, "PERIOD"); |
| 98 | addToKeyMap(KeyEvent.VK_SLASH, "SLASH"); |
| 99 | addToKeyMap(KeyEvent.VK_SEMICOLON, "SEMICOLON"); |
| 100 | addToKeyMap(KeyEvent.VK_EQUALS, "EQUALS"); |
| 101 | addToKeyMap(KeyEvent.VK_OPEN_BRACKET, "OPEN_BRACKET"); |
| 102 | addToKeyMap(KeyEvent.VK_BACK_SLASH, "BACK_SLASH"); |
| 103 | addToKeyMap(KeyEvent.VK_CLOSE_BRACKET, "CLOSE_BRACKET"); |
| 104 | addToKeyMap(KeyEvent.VK_ENTER, "ENTER"); |
| 105 | addToKeyMap(KeyEvent.VK_BACK_SPACE, "BACK_SPACE"); |
| 106 | addToKeyMap(KeyEvent.VK_TAB, "TAB"); |
| 107 | addToKeyMap(KeyEvent.VK_CANCEL, "CANCEL"); |
| 108 | addToKeyMap(KeyEvent.VK_CLEAR, "CLEAR"); |
| 109 | addToKeyMap(KeyEvent.VK_SHIFT, "SHIFT"); |
| 110 | addToKeyMap(KeyEvent.VK_CONTROL, "CONTROL"); |
| 111 | addToKeyMap(KeyEvent.VK_ALT, "ALT"); |
| 112 | addToKeyMap(KeyEvent.VK_PAUSE, "PAUSE"); |
| 113 | addToKeyMap(KeyEvent.VK_CAPS_LOCK, "CAPS_LOCK"); |
| 114 | addToKeyMap(KeyEvent.VK_ESCAPE, "ESCAPE"); |
| 115 | addToKeyMap(KeyEvent.VK_SPACE, "SPACE"); |
| 116 | addToKeyMap(KeyEvent.VK_PAGE_UP, "PAGE_UP"); |
| 117 | addToKeyMap(KeyEvent.VK_PAGE_DOWN, "PAGE_DOWN"); |
| 118 | addToKeyMap(KeyEvent.VK_END, "END"); |
| 119 | addToKeyMap(KeyEvent.VK_HOME, "HOME"); |
| 120 | addToKeyMap(KeyEvent.VK_LEFT, "LEFT"); |
| 121 | addToKeyMap(KeyEvent.VK_UP, "UP"); |
| 122 | addToKeyMap(KeyEvent.VK_RIGHT, "RIGHT"); |
| 123 | addToKeyMap(KeyEvent.VK_DOWN, "DOWN"); |
| 124 | addToKeyMap(KeyEvent.VK_MULTIPLY, "MULTIPLY"); |
| 125 | addToKeyMap(KeyEvent.VK_ADD, "ADD"); |
| 126 | addToKeyMap(KeyEvent.VK_SEPARATOR, "SEPARATOR"); |
| 127 | addToKeyMap(KeyEvent.VK_SUBTRACT, "SUBTRACT"); |
| 128 | addToKeyMap(KeyEvent.VK_DECIMAL, "DECIMAL"); |
| 129 | addToKeyMap(KeyEvent.VK_DIVIDE, "DIVIDE"); |
| 130 | addToKeyMap(KeyEvent.VK_DELETE, "DELETE"); |
| 131 | addToKeyMap(KeyEvent.VK_NUM_LOCK, "NUM_LOCK"); |
| 132 | addToKeyMap(KeyEvent.VK_SCROLL_LOCK, "SCROLL_LOCK"); |
| 133 | addToKeyMap(KeyEvent.VK_F1, "F1"); |
| 134 | addToKeyMap(KeyEvent.VK_F2, "F2"); |
| 135 | addToKeyMap(KeyEvent.VK_F3, "F3"); |
| 136 | addToKeyMap(KeyEvent.VK_F4, "F4"); |
| 137 | addToKeyMap(KeyEvent.VK_F5, "F5"); |
| 138 | addToKeyMap(KeyEvent.VK_F6, "F6"); |
| 139 | addToKeyMap(KeyEvent.VK_F7, "F7"); |
| 140 | addToKeyMap(KeyEvent.VK_F8, "F8"); |
| 141 | addToKeyMap(KeyEvent.VK_F9, "F9"); |
| 142 | addToKeyMap(KeyEvent.VK_F10, "F10"); |
| 143 | addToKeyMap(KeyEvent.VK_F11, "F11"); |
| 144 | addToKeyMap(KeyEvent.VK_F12, "F12"); |
| 145 | addToKeyMap(KeyEvent.VK_F13, "F13"); |
| 146 | addToKeyMap(KeyEvent.VK_F14, "F14"); |
| 147 | addToKeyMap(KeyEvent.VK_F15, "F15"); |
| 148 | addToKeyMap(KeyEvent.VK_F16, "F16"); |
| 149 | addToKeyMap(KeyEvent.VK_F17, "F17"); |
| 150 | addToKeyMap(KeyEvent.VK_F18, "F18"); |
| 151 | addToKeyMap(KeyEvent.VK_F19, "F19"); |
| 152 | addToKeyMap(KeyEvent.VK_F20, "F20"); |
| 153 | addToKeyMap(KeyEvent.VK_F21, "F21"); |
| 154 | addToKeyMap(KeyEvent.VK_F22, "F22"); |
| 155 | addToKeyMap(KeyEvent.VK_F23, "F23"); |
| 156 | addToKeyMap(KeyEvent.VK_F24, "F24"); |
| 157 | addToKeyMap(KeyEvent.VK_PRINTSCREEN, "PRINTSCREEN"); |
| 158 | addToKeyMap(KeyEvent.VK_INSERT, "INSERT"); |
| 159 | addToKeyMap(KeyEvent.VK_HELP, "HELP"); |
| 160 | addToKeyMap(KeyEvent.VK_META, "META"); |
| 161 | addToKeyMap(KeyEvent.VK_BACK_QUOTE, "BACK_QUOTE"); |
| 162 | addToKeyMap(KeyEvent.VK_QUOTE, "QUOTE"); |
| 163 | addToKeyMap(KeyEvent.VK_KP_UP, "KP_UP"); |
| 164 | addToKeyMap(KeyEvent.VK_KP_DOWN, "KP_DOWN"); |
| 165 | addToKeyMap(KeyEvent.VK_KP_LEFT, "KP_LEFT"); |
| 166 | addToKeyMap(KeyEvent.VK_KP_RIGHT, "KP_RIGHT"); |
| 167 | addToKeyMap(KeyEvent.VK_DEAD_GRAVE, "DEAD_GRAVE"); |
| 168 | addToKeyMap(KeyEvent.VK_DEAD_ACUTE, "DEAD_ACUTE"); |
| 169 | addToKeyMap(KeyEvent.VK_DEAD_CIRCUMFLEX, "DEAD_CIRCUMFLEX"); |
| 170 | addToKeyMap(KeyEvent.VK_DEAD_TILDE, "DEAD_TILDE"); |
| 171 | addToKeyMap(KeyEvent.VK_DEAD_MACRON, "DEAD_MACRON"); |
| 172 | addToKeyMap(KeyEvent.VK_DEAD_BREVE, "DEAD_BREVE"); |
| 173 | addToKeyMap(KeyEvent.VK_DEAD_ABOVEDOT, "DEAD_ABOVEDOT"); |
| 174 | addToKeyMap(KeyEvent.VK_DEAD_DIAERESIS, "DEAD_DIAERESIS"); |
| 175 | addToKeyMap(KeyEvent.VK_DEAD_ABOVERING, "DEAD_ABOVERING"); |
| 176 | addToKeyMap(KeyEvent.VK_DEAD_DOUBLEACUTE, "DEAD_DOUBLEACUTE"); |
| 177 | addToKeyMap(KeyEvent.VK_DEAD_CARON, "DEAD_CARON"); |
| 178 | addToKeyMap(KeyEvent.VK_DEAD_CEDILLA, "DEAD_CEDILLA"); |
| 179 | addToKeyMap(KeyEvent.VK_DEAD_OGONEK, "DEAD_OGONEK"); |
| 180 | addToKeyMap(KeyEvent.VK_DEAD_IOTA, "DEAD_IOTA"); |
| 181 | addToKeyMap(KeyEvent.VK_DEAD_VOICED_SOUND, "DEAD_VOICED_SOUND"); |
| 182 | addToKeyMap(KeyEvent.VK_DEAD_SEMIVOICED_SOUND, "DEAD_SEMIVOICED_SOUND"); |
| 183 | addToKeyMap(KeyEvent.VK_AMPERSAND, "AMPERSAND"); |
| 184 | addToKeyMap(KeyEvent.VK_ASTERISK, "ASTERISK"); |
| 185 | addToKeyMap(KeyEvent.VK_QUOTEDBL, "QUOTEDBL"); |
| 186 | addToKeyMap(KeyEvent.VK_LESS, "LESS"); |
| 187 | addToKeyMap(KeyEvent.VK_GREATER, "GREATER"); |
| 188 | addToKeyMap(KeyEvent.VK_BRACELEFT, "BRACELEFT"); |
| 189 | addToKeyMap(KeyEvent.VK_BRACERIGHT, "BRACERIGHT"); |
| 190 | addToKeyMap(KeyEvent.VK_AT, "AT"); |
| 191 | addToKeyMap(KeyEvent.VK_COLON, "COLON"); |
| 192 | addToKeyMap(KeyEvent.VK_CIRCUMFLEX, "CIRCUMFLEX"); |
| 193 | addToKeyMap(KeyEvent.VK_DOLLAR, "DOLLAR"); |
| 194 | addToKeyMap(KeyEvent.VK_EURO_SIGN, "EURO_SIGN"); |
| 195 | addToKeyMap(KeyEvent.VK_EXCLAMATION_MARK, "EXCLAMATION_MARK"); |
| 196 | addToKeyMap(KeyEvent.VK_INVERTED_EXCLAMATION_MARK, "INVERTED_EXCLAMATION_MARK"); |
| 197 | addToKeyMap(KeyEvent.VK_LEFT_PARENTHESIS, "LEFT_PARENTHESIS"); |
| 198 | addToKeyMap(KeyEvent.VK_NUMBER_SIGN, "NUMBER_SIGN"); |
| 199 | addToKeyMap(KeyEvent.VK_MINUS, "MINUS"); |
| 200 | addToKeyMap(KeyEvent.VK_PLUS, "PLUS"); |
| 201 | addToKeyMap(KeyEvent.VK_RIGHT_PARENTHESIS, "RIGHT_PARENTHESIS"); |
| 202 | addToKeyMap(KeyEvent.VK_UNDERSCORE, "UNDERSCORE"); |
| 203 | addToKeyMap(KeyEvent.VK_FINAL, "FINAL"); |
| 204 | addToKeyMap(KeyEvent.VK_CONVERT, "CONVERT"); |
| 205 | addToKeyMap(KeyEvent.VK_NONCONVERT, "NONCONVERT"); |
| 206 | addToKeyMap(KeyEvent.VK_ACCEPT, "ACCEPT"); |
| 207 | addToKeyMap(KeyEvent.VK_MODECHANGE, "MODECHANGE"); |
| 208 | addToKeyMap(KeyEvent.VK_KANA, "KANA"); |
| 209 | addToKeyMap(KeyEvent.VK_KANJI, "KANJI"); |
| 210 | addToKeyMap(KeyEvent.VK_ALPHANUMERIC, "ALPHANUMERIC"); |
| 211 | addToKeyMap(KeyEvent.VK_KATAKANA, "KATAKANA"); |
| 212 | addToKeyMap(KeyEvent.VK_HIRAGANA, "HIRAGANA"); |
| 213 | addToKeyMap(KeyEvent.VK_FULL_WIDTH, "FULL_WIDTH"); |
| 214 | addToKeyMap(KeyEvent.VK_HALF_WIDTH, "HALF_WIDTH"); |
| 215 | addToKeyMap(KeyEvent.VK_ROMAN_CHARACTERS, "ROMAN_CHARACTERS"); |
| 216 | addToKeyMap(KeyEvent.VK_ALL_CANDIDATES, "ALL_CANDIDATES"); |
| 217 | addToKeyMap(KeyEvent.VK_PREVIOUS_CANDIDATE, "PREVIOUS_CANDIDATE"); |
| 218 | addToKeyMap(KeyEvent.VK_CODE_INPUT, "CODE_INPUT"); |
| 219 | addToKeyMap(KeyEvent.VK_JAPANESE_KATAKANA, "JAPANESE_KATAKANA"); |
| 220 | addToKeyMap(KeyEvent.VK_JAPANESE_HIRAGANA, "JAPANESE_HIRAGANA"); |
| 221 | addToKeyMap(KeyEvent.VK_JAPANESE_ROMAN, "JAPANESE_ROMAN"); |
| 222 | addToKeyMap(KeyEvent.VK_KANA_LOCK, "KANA_LOCK"); |
| 223 | addToKeyMap(KeyEvent.VK_INPUT_METHOD_ON_OFF, "INPUT_METHOD_ON_OFF"); |
| 224 | addToKeyMap(KeyEvent.VK_AGAIN, "AGAIN"); |
| 225 | addToKeyMap(KeyEvent.VK_UNDO, "UNDO"); |
| 226 | addToKeyMap(KeyEvent.VK_COPY, "COPY"); |
| 227 | addToKeyMap(KeyEvent.VK_PASTE, "PASTE"); |
| 228 | addToKeyMap(KeyEvent.VK_CUT, "CUT"); |
| 229 | addToKeyMap(KeyEvent.VK_FIND, "FIND"); |
| 230 | addToKeyMap(KeyEvent.VK_PROPS, "PROPS"); |
| 231 | addToKeyMap(KeyEvent.VK_STOP, "STOP"); |
| 232 | addToKeyMap(KeyEvent.VK_COMPOSE, "COMPOSE"); |
| 233 | addToKeyMap(KeyEvent.VK_ALT_GRAPH, "ALT_GRAPH"); |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Get an invisible Cursor. (Based on code by R?al Gagnon, see <a |
| 238 | * href="http://www.rgagnon.com/javadetails/java-0440.html"> |
| 239 | * http://www.rgagnon.com/javadetails/java-0440.html</a> for details. |
| 240 | */ |
| 241 | public synchronized Cursor getInvisibleCursor() { |
| 242 | if (invisibleCursor == null) { |
| 243 | int[] pixels = new int[CURSOR_SIZE * CURSOR_SIZE]; |
| 244 | Image image = Toolkit.getDefaultToolkit().createImage( |
| 245 | new MemoryImageSource(CURSOR_SIZE, CURSOR_SIZE, pixels, 0, CURSOR_SIZE)); |
| 246 | |
| 247 | invisibleCursor = Toolkit.getDefaultToolkit().createCustomCursor(image, |
| 248 | new Point(0, 0), "invisiblecursor"); |
| 249 | } |
| 250 | return invisibleCursor; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Get (English) text for keyboard code. |
| 255 | */ |
| 256 | public String getKeyText(int keyCode) { |
| 257 | String result; |
| 258 | |
| 259 | if ((keyCode >= KeyEvent.VK_0) && (keyCode <= KeyEvent.VK_9) |
| 260 | || (keyCode >= KeyEvent.VK_A) && (keyCode <= KeyEvent.VK_Z)) { |
| 261 | result = String.valueOf((char) keyCode); |
| 262 | } else { |
| 263 | result = (String) keyMap.get(new Integer(keyCode)); |
| 264 | if (result == null) { |
| 265 | if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) { |
| 266 | char c = (char) (keyCode - KeyEvent.VK_NUMPAD0 + '0'); |
| 267 | |
| 268 | result = "NUMPAD" + c; |
| 269 | } else { |
| 270 | result = "unknown(" + stringTools.hexString(keyCode, KEY_STROKE_HEX_DIGIT_COUNT) + ")"; |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | return result; |
| 276 | } |
| 277 | |
| 278 | public static synchronized UiTools instance() { |
| 279 | if (instance == null) { |
| 280 | instance = new UiTools(); |
| 281 | } |
| 282 | return instance; |
| 283 | } |
| 284 | |
| 285 | public void addKeyStrokeAction(JComponent component, String keyStrokeName, Action action) { |
| 286 | String command = (String) action.getValue(Action.NAME); |
| 287 | |
| 288 | assert command != null : "action must have a name"; |
| 289 | component.getInputMap().put(KeyStroke.getKeyStroke(keyStrokeName), command); |
| 290 | component.getActionMap().put(command, action); |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Provided that <code>button</code> is not null, remove <code>listener</code> from it. |
| 295 | */ |
| 296 | public void attemptToRemoveActionListener(AbstractButton button, ActionListener listener) { |
| 297 | assert listener != null; |
| 298 | |
| 299 | if (button != null) { |
| 300 | button.removeActionListener(listener); |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * Provided that <code>field</code> is not null, remove <code>listener</code> from its <code>Document</code> |
| 306 | * . |
| 307 | */ |
| 308 | public void attemptToRemoveDocumentListener(JTextField field, DocumentListener listener) { |
| 309 | assert listener != null; |
| 310 | |
| 311 | if (field != null) { |
| 312 | field.getDocument().removeDocumentListener(listener); |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * Center frame in upper half of the screen. |
| 318 | */ |
| 319 | public void centerUp(Component frame) { |
| 320 | errorTools.centerUp(frame); |
| 321 | } |
| 322 | |
| 323 | public JPanel createDialogMainPanel() { |
| 324 | JPanel result = new JPanel(); |
| 325 | Border border = BorderFactory.createEmptyBorder(FRAME_INSET, FRAME_INSET, FRAME_INSET, FRAME_INSET); |
| 326 | LayoutManager layout = new BorderLayout(); |
| 327 | |
| 328 | result.setBorder(border); |
| 329 | result.setLayout(layout); |
| 330 | return result; |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Create ridig area to put "some" space between two buttons in a BoxLayout. |
| 335 | * |
| 336 | * @see Box#createRigidArea(java.awt.Dimension) |
| 337 | */ |
| 338 | public Component createRigidAreaBetweenButtons() { |
| 339 | return Box.createRigidArea(rigidAreaBetweenButtonsSize); |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * Set mnemonics in <code>menu</code> depending on the labels of the MenuItems. |
| 344 | */ |
| 345 | public void fillMnemonics(JMenu menu) { |
| 346 | assert menu != null; |
| 347 | int itemCount = menu.getItemCount(); |
| 348 | List labelList = new LinkedList(); |
| 349 | |
| 350 | for (int i = 0; i < itemCount; i += 1) { |
| 351 | JMenuItem item = menu.getItem(i); |
| 352 | |
| 353 | if (mnemonicable(item)) { |
| 354 | String label = item.getText(); |
| 355 | |
| 356 | labelList.add(label); |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | String[] labels = (String[]) labelList.toArray(new String[0]); |
| 361 | char[] mnemonics = stringTools.getMnemonics(labels, null); |
| 362 | int j = 0; |
| 363 | |
| 364 | for (int i = 0; i < itemCount; i += 1) { |
| 365 | JMenuItem item = menu.getItem(i); |
| 366 | |
| 367 | if (mnemonicable(item)) { |
| 368 | if (!Boolean.getBoolean( |
| 369 | PropertyConstants.SYSTEM_PROPERTY_PREFIX + PropertyConstants.HIDE_MNEMONICS)) { |
| 370 | item.setMnemonic(mnemonics[j]); |
| 371 | } |
| 372 | j += 1; |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Set mnemonics in <code>bar</code> depending on the labels of the Menus and MenuItems. |
| 379 | */ |
| 380 | public void fillMnemonics(JMenuBar bar) { |
| 381 | assert bar != null; |
| 382 | int menuCount = bar.getMenuCount(); |
| 383 | String[] labels = new String[menuCount]; |
| 384 | |
| 385 | for (int i = 0; i < menuCount; i += 1) { |
| 386 | labels[i] = bar.getMenu(i).getText(); |
| 387 | } |
| 388 | |
| 389 | char[] mnemonics = stringTools.getMnemonics(labels, null); |
| 390 | |
| 391 | for (int i = 0; i < menuCount; i += 1) { |
| 392 | JMenu menu = bar.getMenu(i); |
| 393 | |
| 394 | menu.setMnemonic(mnemonics[i]); |
| 395 | fillMnemonics(menu); |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * This method picks good column sizes. If all column heads are wider than the column's cells' |
| 401 | * contents, then you can just use column.sizeWidthToFit(). |
| 402 | */ |
| 403 | public void initColumnWidths(JTable table) { |
| 404 | assert table != null; |
| 405 | TableModel tableModel = table.getModel(); |
| 406 | TableColumn columnModel = null; |
| 407 | Component componet = null; |
| 408 | int headerWidth = 0; |
| 409 | int cellWidth = 0; |
| 410 | TableCellRenderer headerRenderer = table.getTableHeader().getDefaultRenderer(); |
| 411 | |
| 412 | if (logger.isDebugEnabled()) { |
| 413 | logger.debug("init widths of " + table.getColumnCount() + "x" + table.getRowCount() + " table"); |
| 414 | } |
| 415 | |
| 416 | for (int column = 0; column < table.getColumnCount(); column += 1) { |
| 417 | columnModel = table.getColumnModel().getColumn(column); |
| 418 | |
| 419 | componet = headerRenderer.getTableCellRendererComponent( |
| 420 | null, columnModel.getHeaderValue(), false, false, 0, 0); |
| 421 | headerWidth = componet.getPreferredSize().width; |
| 422 | |
| 423 | int maxCellWidth = 0; |
| 424 | |
| 425 | for (int row = 0; row < table.getRowCount(); row += 1) { |
| 426 | componet = |
| 427 | table.getDefaultRenderer(tableModel.getColumnClass(column)).getTableCellRendererComponent( |
| 428 | table, |
| 429 | table.getValueAt(row, column), |
| 430 | false, |
| 431 | false, |
| 432 | 0, |
| 433 | column); |
| 434 | cellWidth = componet.getPreferredSize().width; |
| 435 | if (logger.isDebugEnabled()) { |
| 436 | logger.debug("cellwidth(" + column + "," + row + ")=" + cellWidth); |
| 437 | } |
| 438 | if (cellWidth > maxCellWidth) { |
| 439 | maxCellWidth = cellWidth; |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | if (logger.isDebugEnabled()) { |
| 444 | logger.debug( |
| 445 | "initializing width of column " |
| 446 | + column |
| 447 | + ". " |
| 448 | + "headerWidth = " |
| 449 | + headerWidth |
| 450 | + "; maxCellWidth = " |
| 451 | + maxCellWidth); |
| 452 | } |
| 453 | columnModel.setPreferredWidth(Math.max(headerWidth, maxCellWidth)); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * <p> |
| 459 | * |
| 460 | * Get a string that is parseably by <code>KeyStroke.getKeyStroke()</code>. (<code>KeyStroke.toString()</code> |
| 461 | * does not return such a string.)</p> <p> |
| 462 | * |
| 463 | * However, there is one keystroke that cannot be represented as a string that can be parsed |
| 464 | * back to a keystroke - a typed space character. In order to bind an action to a typed space |
| 465 | * character, <code>KeyStroke.getKeyStroke(new Character(' '), 0)</code> needs to be called. |
| 466 | * </p> Source: <a href="http://javaalmanac.com/egs/javax.swing/Key2Str.html">The Java |
| 467 | * Developers Almanac 1.4</a> . |
| 468 | * |
| 469 | * @see KeyStroke#getKeyStroke(java.lang.String) |
| 470 | */ |
| 471 | public String keyStrokeToString(KeyStroke keyStroke) { |
| 472 | assert keyStroke != null; |
| 473 | |
| 474 | StringBuffer result = new StringBuffer(KEY_STROKE_TEXT_BUFFER_SIZE); |
| 475 | int modifiers = keyStroke.getModifiers(); |
| 476 | |
| 477 | ifAnyMaskSetThenAppend(result, modifiers, InputEvent.SHIFT_DOWN_MASK, InputEvent.SHIFT_MASK, "shift "); |
| 478 | ifAnyMaskSetThenAppend(result, modifiers, InputEvent.CTRL_DOWN_MASK, InputEvent.CTRL_MASK, "ctrl "); |
| 479 | ifAnyMaskSetThenAppend(result, modifiers, InputEvent.META_DOWN_MASK, InputEvent.META_MASK, "meta "); |
| 480 | ifAnyMaskSetThenAppend(result, modifiers, InputEvent.ALT_DOWN_MASK, InputEvent.ALT_MASK, "alt "); |
| 481 | ifAnyMaskSetThenAppend(result, modifiers, InputEvent.BUTTON1_DOWN_MASK, InputEvent.BUTTON1_MASK, "button1 "); |
| 482 | ifAnyMaskSetThenAppend(result, modifiers, InputEvent.BUTTON2_DOWN_MASK, InputEvent.BUTTON2_MASK, "button2 "); |
| 483 | ifAnyMaskSetThenAppend(result, modifiers, InputEvent.BUTTON3_DOWN_MASK, InputEvent.BUTTON3_MASK, "button3 "); |
| 484 | |
| 485 | int type = keyStroke.getKeyEventType(); |
| 486 | |
| 487 | if (type == KeyEvent.KEY_TYPED) { |
| 488 | result.append("typed "); |
| 489 | result.append(keyStroke.getKeyChar() + " "); |
| 490 | } else if (type == KeyEvent.KEY_PRESSED) { |
| 491 | result.append("pressed "); |
| 492 | result.append(getKeyText(keyStroke.getKeyCode()) + " "); |
| 493 | } else if (type == KeyEvent.KEY_RELEASED) { |
| 494 | result.append("released "); |
| 495 | result.append(getKeyText(keyStroke.getKeyCode()) + " "); |
| 496 | } else { |
| 497 | assert false : "keyEventType=" + type; |
| 498 | } |
| 499 | |
| 500 | return result.toString().trim(); |
| 501 | } |
| 502 | |
| 503 | /** |
| 504 | * Remove for a JComponent all keyStrokes. Based on a suggestion in a <a |
| 505 | * href="http://forum.java.sun.com/thread.jsp?thread=462430&forum=57&message=2121002">thread |
| 506 | * </a> in Sun's developer forum. |
| 507 | */ |
| 508 | public void removeKeyStroke(JComponent component, KeyStroke[] keyStrokes) { |
| 509 | removeKeyStroke(component.getInputMap(JComponent.WHEN_FOCUSED), keyStrokes); |
| 510 | removeKeyStroke(component.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT), keyStrokes); |
| 511 | removeKeyStroke(component.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW), keyStrokes); |
| 512 | if (component instanceof JTable) { |
| 513 | // HACK: Stop VK_LEFT/RIGHT from working on the cell editor. |
| 514 | JTable table = (JTable) component; |
| 515 | DefaultCellEditor editor = (DefaultCellEditor) table.getCellEditor(0, 0); |
| 516 | JComponent editorComponent = (JComponent) editor.getComponent(); |
| 517 | |
| 518 | removeKeyStroke(editorComponent, keyStrokes); |
| 519 | } |
| 520 | int ub = component.getComponentCount(); |
| 521 | |
| 522 | for (int i = 0; i < ub; i += 1) { |
| 523 | Component child = component.getComponent(i); |
| 524 | |
| 525 | if (child instanceof JComponent) { |
| 526 | removeKeyStroke((JComponent) child, keyStrokes); |
| 527 | } |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | private void addToKeyMap(int keyCode, String text) { |
| 532 | assert text != null; |
| 533 | Integer integerKeyCode = new Integer(keyCode); |
| 534 | |
| 535 | assert !keyMap.containsKey(integerKeyCode); |
| 536 | keyMap.put(integerKeyCode, text); |
| 537 | } |
| 538 | |
| 539 | /** |
| 540 | * If in <code>value</code> any of the bit masks <code>mask1</code> or <code>mask2</code> is |
| 541 | * enabled, append to the buffer <code>target</code> the text <code>textToAppend</code>. |
| 542 | * |
| 543 | * @see #keyStrokeToString(KeyStroke) |
| 544 | */ |
| 545 | private void ifAnyMaskSetThenAppend(StringBuffer target, int value, int mask1, int mask2, String textToAppend) { |
| 546 | if ((value & (mask1 | mask2)) != 0) { |
| 547 | target.append(textToAppend); |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | /** |
| 552 | * Is there any point in giving a mnemonic to a JMenuItem? Possible reasons for not setting a |
| 553 | * mnemonic: |
| 554 | * <ol> |
| 555 | * <li> item is a separator |
| 556 | * <li> item has no label (but only an icon) |
| 557 | * </ol> |
| 558 | * |
| 559 | */ |
| 560 | private boolean mnemonicable(JMenuItem item) { |
| 561 | boolean result = false; |
| 562 | |
| 563 | if (item != null) { |
| 564 | String label = item.getText(); |
| 565 | |
| 566 | if ((label != null) && (label.length() > 0)) { |
| 567 | result = true; |
| 568 | } |
| 569 | } |
| 570 | return result; |
| 571 | } |
| 572 | |
| 573 | private void removeKeyStroke(InputMap im, KeyStroke[] keyStrokes) { |
| 574 | for (int i = 0; i < keyStrokes.length; i += 1) { |
| 575 | KeyStroke k = keyStrokes[i]; |
| 576 | |
| 577 | removeKeyStroke(im, k); |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | private void removeKeyStroke(InputMap inputMap, KeyStroke keyStroke) { |
| 582 | Object key = inputMap.get(keyStroke); |
| 583 | |
| 584 | if (key != null) { |
| 585 | logger.debug("remove KeyStroke for key " + key); |
| 586 | inputMap.put(keyStroke, "none"); |
| 587 | } |
| 588 | } |
| 589 | } |