J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2002-2005 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 javax.swing.plaf.synth; |
| 27 | |
| 28 | import java.awt.*; |
| 29 | import java.awt.event.*; |
| 30 | import javax.swing.*; |
| 31 | import javax.swing.plaf.*; |
| 32 | import javax.swing.plaf.basic.BasicInternalFrameTitlePane; |
| 33 | import javax.swing.border.*; |
| 34 | import javax.swing.event.InternalFrameEvent; |
| 35 | import java.util.EventListener; |
| 36 | import java.beans.PropertyChangeListener; |
| 37 | import java.beans.PropertyChangeEvent; |
| 38 | import java.beans.VetoableChangeListener; |
| 39 | import java.beans.PropertyVetoException; |
| 40 | import sun.swing.plaf.synth.SynthUI; |
| 41 | import sun.swing.SwingUtilities2; |
| 42 | |
| 43 | /** |
| 44 | * The class that manages a synth title bar |
| 45 | * |
| 46 | * @author David Kloba |
| 47 | * @author Joshua Outwater |
| 48 | * @author Steve Wilson |
| 49 | */ |
| 50 | class SynthInternalFrameTitlePane extends BasicInternalFrameTitlePane |
| 51 | implements SynthUI, PropertyChangeListener { |
| 52 | |
| 53 | protected JPopupMenu systemPopupMenu; |
| 54 | protected JButton menuButton; |
| 55 | |
| 56 | private SynthStyle style; |
| 57 | private int titleSpacing; |
| 58 | private int buttonSpacing; |
| 59 | // Alignment for the title, one of SwingConstants.(LEADING|TRAILING|CENTER) |
| 60 | private int titleAlignment; |
| 61 | |
| 62 | public SynthInternalFrameTitlePane(JInternalFrame f) { |
| 63 | super(f); |
| 64 | } |
| 65 | |
| 66 | public String getUIClassID() { |
| 67 | return "InternalFrameTitlePaneUI"; |
| 68 | } |
| 69 | |
| 70 | public SynthContext getContext(JComponent c) { |
| 71 | return getContext(c, getComponentState(c)); |
| 72 | } |
| 73 | |
| 74 | public SynthContext getContext(JComponent c, int state) { |
| 75 | return SynthContext.getContext(SynthContext.class, c, |
| 76 | SynthLookAndFeel.getRegion(c), style, state); |
| 77 | } |
| 78 | |
| 79 | private Region getRegion(JComponent c) { |
| 80 | return SynthLookAndFeel.getRegion(c); |
| 81 | } |
| 82 | |
| 83 | private int getComponentState(JComponent c) { |
| 84 | if (frame != null) { |
| 85 | if (frame.isSelected()) { |
| 86 | return SELECTED; |
| 87 | } |
| 88 | } |
| 89 | return SynthLookAndFeel.getComponentState(c); |
| 90 | } |
| 91 | |
| 92 | protected void addSubComponents() { |
| 93 | menuButton.setName("InternalFrameTitlePane.menuButton"); |
| 94 | iconButton.setName("InternalFrameTitlePane.iconifyButton"); |
| 95 | maxButton.setName("InternalFrameTitlePane.maximizeButton"); |
| 96 | closeButton.setName("InternalFrameTitlePane.closeButton"); |
| 97 | |
| 98 | add(menuButton); |
| 99 | add(iconButton); |
| 100 | add(maxButton); |
| 101 | add(closeButton); |
| 102 | } |
| 103 | |
| 104 | protected void installListeners() { |
| 105 | super.installListeners(); |
| 106 | frame.addPropertyChangeListener(this); |
| 107 | addPropertyChangeListener(this); |
| 108 | } |
| 109 | |
| 110 | protected void uninstallListeners() { |
| 111 | frame.removePropertyChangeListener(this); |
| 112 | removePropertyChangeListener(this); |
| 113 | super.uninstallListeners(); |
| 114 | } |
| 115 | |
| 116 | private void updateStyle(JComponent c) { |
| 117 | SynthContext context = getContext(this, ENABLED); |
| 118 | SynthStyle oldStyle = style; |
| 119 | style = SynthLookAndFeel.updateStyle(context, this); |
| 120 | if (style != oldStyle) { |
| 121 | maxIcon = |
| 122 | style.getIcon(context,"InternalFrameTitlePane.maximizeIcon"); |
| 123 | minIcon = |
| 124 | style.getIcon(context,"InternalFrameTitlePane.minimizeIcon"); |
| 125 | iconIcon = |
| 126 | style.getIcon(context,"InternalFrameTitlePane.iconifyIcon"); |
| 127 | closeIcon = |
| 128 | style.getIcon(context,"InternalFrameTitlePane.closeIcon"); |
| 129 | titleSpacing = style.getInt(context, |
| 130 | "InternalFrameTitlePane.titleSpacing", 2); |
| 131 | buttonSpacing = style.getInt(context, |
| 132 | "InternalFrameTitlePane.buttonSpacing", 2); |
| 133 | String alignString = (String)style.get(context, |
| 134 | "InternalFrameTitlePane.titleAlignment"); |
| 135 | titleAlignment = SwingConstants.LEADING; |
| 136 | if (alignString != null) { |
| 137 | alignString = alignString.toUpperCase(); |
| 138 | if (alignString.equals("TRAILING")) { |
| 139 | titleAlignment = SwingConstants.TRAILING; |
| 140 | } |
| 141 | else if (alignString.equals("CENTER")) { |
| 142 | titleAlignment = SwingConstants.CENTER; |
| 143 | } |
| 144 | } |
| 145 | } |
| 146 | context.dispose(); |
| 147 | } |
| 148 | |
| 149 | protected void installDefaults() { |
| 150 | super.installDefaults(); |
| 151 | updateStyle(this); |
| 152 | } |
| 153 | |
| 154 | protected void uninstallDefaults() { |
| 155 | SynthContext context = getContext(this, ENABLED); |
| 156 | style.uninstallDefaults(context); |
| 157 | context.dispose(); |
| 158 | style = null; |
| 159 | JInternalFrame.JDesktopIcon di = frame.getDesktopIcon(); |
| 160 | if(di != null && di.getComponentPopupMenu() == systemPopupMenu) { |
| 161 | // Release link to systemMenu from the JInternalFrame |
| 162 | di.setComponentPopupMenu(null); |
| 163 | } |
| 164 | super.uninstallDefaults(); |
| 165 | } |
| 166 | |
| 167 | private static class JPopupMenuUIResource extends JPopupMenu implements |
| 168 | UIResource { } |
| 169 | |
| 170 | protected void assembleSystemMenu() { |
| 171 | systemPopupMenu = new JPopupMenuUIResource(); |
| 172 | addSystemMenuItems(systemPopupMenu); |
| 173 | enableActions(); |
| 174 | menuButton = createNoFocusButton(); |
| 175 | updateMenuIcon(); |
| 176 | menuButton.addMouseListener(new MouseAdapter() { |
| 177 | public void mousePressed(MouseEvent e) { |
| 178 | try { |
| 179 | frame.setSelected(true); |
| 180 | } catch(PropertyVetoException pve) { |
| 181 | } |
| 182 | showSystemMenu(); |
| 183 | } |
| 184 | }); |
| 185 | JPopupMenu p = frame.getComponentPopupMenu(); |
| 186 | if (p == null || p instanceof UIResource) { |
| 187 | frame.setComponentPopupMenu(systemPopupMenu); |
| 188 | } |
| 189 | if (frame.getDesktopIcon() != null) { |
| 190 | p = frame.getDesktopIcon().getComponentPopupMenu(); |
| 191 | if (p == null || p instanceof UIResource) { |
| 192 | frame.getDesktopIcon().setComponentPopupMenu(systemPopupMenu); |
| 193 | } |
| 194 | } |
| 195 | setInheritsPopupMenu(true); |
| 196 | } |
| 197 | |
| 198 | protected void addSystemMenuItems(JPopupMenu menu) { |
| 199 | // PENDING: this should all be localizable! |
| 200 | JMenuItem mi = (JMenuItem)menu.add(restoreAction); |
| 201 | mi.setMnemonic('R'); |
| 202 | mi = (JMenuItem)menu.add(moveAction); |
| 203 | mi.setMnemonic('M'); |
| 204 | mi = (JMenuItem)menu.add(sizeAction); |
| 205 | mi.setMnemonic('S'); |
| 206 | mi = (JMenuItem)menu.add(iconifyAction); |
| 207 | mi.setMnemonic('n'); |
| 208 | mi = (JMenuItem)menu.add(maximizeAction); |
| 209 | mi.setMnemonic('x'); |
| 210 | menu.add(new JSeparator()); |
| 211 | mi = (JMenuItem)menu.add(closeAction); |
| 212 | mi.setMnemonic('C'); |
| 213 | } |
| 214 | |
| 215 | protected void showSystemMenu() { |
| 216 | Insets insets = frame.getInsets(); |
| 217 | if (!frame.isIcon()) { |
| 218 | systemPopupMenu.show(frame, insets.left, getY() + getHeight()); |
| 219 | } else { |
| 220 | systemPopupMenu.show(menuButton, |
| 221 | getX() - insets.left - insets.right, |
| 222 | getY() - systemPopupMenu.getPreferredSize().height - |
| 223 | insets.bottom - insets.top); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | // SynthInternalFrameTitlePane has no UI, we'll invoke paint on it. |
| 228 | public void paintComponent(Graphics g) { |
| 229 | SynthContext context = getContext(this); |
| 230 | SynthLookAndFeel.update(context, g); |
| 231 | context.getPainter().paintInternalFrameTitlePaneBackground(context, |
| 232 | g, 0, 0, getWidth(), getHeight()); |
| 233 | paint(context, g); |
| 234 | context.dispose(); |
| 235 | } |
| 236 | |
| 237 | protected void paint(SynthContext context, Graphics g) { |
| 238 | String title = frame.getTitle(); |
| 239 | |
| 240 | if (title != null) { |
| 241 | SynthStyle style = context.getStyle(); |
| 242 | |
| 243 | g.setColor(style.getColor(context, ColorType.TEXT_FOREGROUND)); |
| 244 | g.setFont(style.getFont(context)); |
| 245 | |
| 246 | // Center text vertically. |
| 247 | FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g); |
| 248 | int baseline = (getHeight() + fm.getAscent() - fm.getLeading() - |
| 249 | fm.getDescent()) / 2; |
| 250 | JButton lastButton = null; |
| 251 | if (frame.isIconifiable()) { |
| 252 | lastButton = iconButton; |
| 253 | } |
| 254 | else if (frame.isMaximizable()) { |
| 255 | lastButton = maxButton; |
| 256 | } |
| 257 | else if (frame.isClosable()) { |
| 258 | lastButton = closeButton; |
| 259 | } |
| 260 | int maxX; |
| 261 | int minX; |
| 262 | boolean ltr = SynthLookAndFeel.isLeftToRight(frame); |
| 263 | int titleAlignment = this.titleAlignment; |
| 264 | if (ltr) { |
| 265 | if (lastButton != null) { |
| 266 | maxX = lastButton.getX() - titleSpacing; |
| 267 | } |
| 268 | else { |
| 269 | maxX = frame.getWidth() - frame.getInsets().right - |
| 270 | titleSpacing; |
| 271 | } |
| 272 | minX = menuButton.getX() + menuButton.getWidth() + |
| 273 | titleSpacing; |
| 274 | } |
| 275 | else { |
| 276 | if (lastButton != null) { |
| 277 | minX = lastButton.getX() + lastButton.getWidth() + |
| 278 | titleSpacing; |
| 279 | } |
| 280 | else { |
| 281 | minX = frame.getInsets().left + titleSpacing; |
| 282 | } |
| 283 | maxX = menuButton.getX() - titleSpacing; |
| 284 | if (titleAlignment == SwingConstants.LEADING) { |
| 285 | titleAlignment = SwingConstants.TRAILING; |
| 286 | } |
| 287 | else if (titleAlignment == SwingConstants.TRAILING) { |
| 288 | titleAlignment = SwingConstants.LEADING; |
| 289 | } |
| 290 | } |
| 291 | String clippedTitle = getTitle(title, fm, maxX - minX); |
| 292 | if (clippedTitle == title) { |
| 293 | // String fit, align as necessary. |
| 294 | if (titleAlignment == SwingConstants.TRAILING) { |
| 295 | minX = maxX - style.getGraphicsUtils(context). |
| 296 | computeStringWidth(context, g.getFont(), fm, title); |
| 297 | } |
| 298 | else if (titleAlignment == SwingConstants.CENTER) { |
| 299 | int width = style.getGraphicsUtils(context). |
| 300 | computeStringWidth(context, g.getFont(), fm, title); |
| 301 | minX = Math.max(minX, (getWidth() - width) / 2); |
| 302 | minX = Math.min(maxX - width, minX); |
| 303 | } |
| 304 | } |
| 305 | style.getGraphicsUtils(context).paintText( |
| 306 | context, g, clippedTitle, minX, baseline - fm.getAscent(), -1); |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | public void paintBorder(SynthContext context, Graphics g, int x, |
| 311 | int y, int w, int h) { |
| 312 | context.getPainter().paintInternalFrameTitlePaneBorder(context, |
| 313 | g, x, y, w, h); |
| 314 | } |
| 315 | |
| 316 | protected LayoutManager createLayout() { |
| 317 | SynthContext context = getContext(this); |
| 318 | LayoutManager lm = |
| 319 | (LayoutManager)style.get(context, "InternalFrameTitlePane.titlePaneLayout"); |
| 320 | context.dispose(); |
| 321 | return (lm != null) ? lm : new SynthTitlePaneLayout(); |
| 322 | } |
| 323 | |
| 324 | public void propertyChange(PropertyChangeEvent evt) { |
| 325 | if (evt.getSource() == this) { |
| 326 | if (SynthLookAndFeel.shouldUpdateStyle(evt)) { |
| 327 | updateStyle(this); |
| 328 | } |
| 329 | } |
| 330 | else { |
| 331 | // Changes for the internal frame |
| 332 | if (evt.getPropertyName() == JInternalFrame.FRAME_ICON_PROPERTY) { |
| 333 | updateMenuIcon(); |
| 334 | } |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | /** |
| 339 | * Resets the menuButton icon to match that of the frame. |
| 340 | */ |
| 341 | private void updateMenuIcon() { |
| 342 | Icon frameIcon = frame.getFrameIcon(); |
| 343 | SynthContext context = getContext(this); |
| 344 | if (frameIcon != null) { |
| 345 | Dimension maxSize = (Dimension)context.getStyle().get(context, |
| 346 | "InternalFrameTitlePane.maxFrameIconSize"); |
| 347 | int maxWidth = 16; |
| 348 | int maxHeight = 16; |
| 349 | if (maxSize != null) { |
| 350 | maxWidth = maxSize.width; |
| 351 | maxHeight = maxSize.height; |
| 352 | } |
| 353 | if ((frameIcon.getIconWidth() > maxWidth || |
| 354 | frameIcon.getIconHeight() > maxHeight) && |
| 355 | (frameIcon instanceof ImageIcon)) { |
| 356 | frameIcon = new ImageIcon(((ImageIcon)frameIcon). |
| 357 | getImage().getScaledInstance(maxWidth, maxHeight, |
| 358 | Image.SCALE_SMOOTH)); |
| 359 | } |
| 360 | } |
| 361 | context.dispose(); |
| 362 | menuButton.setIcon(frameIcon); |
| 363 | } |
| 364 | |
| 365 | |
| 366 | class SynthTitlePaneLayout implements LayoutManager { |
| 367 | public void addLayoutComponent(String name, Component c) {} |
| 368 | public void removeLayoutComponent(Component c) {} |
| 369 | public Dimension preferredLayoutSize(Container c) { |
| 370 | return minimumLayoutSize(c); |
| 371 | } |
| 372 | |
| 373 | public Dimension minimumLayoutSize(Container c) { |
| 374 | SynthContext context = getContext( |
| 375 | SynthInternalFrameTitlePane.this); |
| 376 | int width = 0; |
| 377 | int height = 0; |
| 378 | |
| 379 | int buttonCount = 0; |
| 380 | Dimension pref; |
| 381 | |
| 382 | if (frame.isClosable()) { |
| 383 | pref = closeButton.getPreferredSize(); |
| 384 | width += pref.width; |
| 385 | height = Math.max(pref.height, height); |
| 386 | buttonCount++; |
| 387 | } |
| 388 | if (frame.isMaximizable()) { |
| 389 | pref = maxButton.getPreferredSize(); |
| 390 | width += pref.width; |
| 391 | height = Math.max(pref.height, height); |
| 392 | buttonCount++; |
| 393 | } |
| 394 | if (frame.isIconifiable()) { |
| 395 | pref = iconButton.getPreferredSize(); |
| 396 | width += pref.width; |
| 397 | height = Math.max(pref.height, height); |
| 398 | buttonCount++; |
| 399 | } |
| 400 | pref = menuButton.getPreferredSize(); |
| 401 | width += pref.width; |
| 402 | height = Math.max(pref.height, height); |
| 403 | |
| 404 | width += Math.max(0, (buttonCount - 1) * buttonSpacing); |
| 405 | |
| 406 | FontMetrics fm = SynthInternalFrameTitlePane.this.getFontMetrics( |
| 407 | getFont()); |
| 408 | SynthGraphicsUtils graphicsUtils = context.getStyle(). |
| 409 | getGraphicsUtils(context); |
| 410 | String frameTitle = frame.getTitle(); |
| 411 | int title_w = frameTitle != null ? graphicsUtils. |
| 412 | computeStringWidth(context, fm.getFont(), |
| 413 | fm, frameTitle) : 0; |
| 414 | int title_length = frameTitle != null ? frameTitle.length() : 0; |
| 415 | |
| 416 | // Leave room for three characters in the title. |
| 417 | if (title_length > 3) { |
| 418 | int subtitle_w = graphicsUtils.computeStringWidth(context, |
| 419 | fm.getFont(), fm, frameTitle.substring(0, 3) + "..."); |
| 420 | width += (title_w < subtitle_w) ? title_w : subtitle_w; |
| 421 | } else { |
| 422 | width += title_w; |
| 423 | } |
| 424 | |
| 425 | height = Math.max(fm.getHeight() + 2, height); |
| 426 | |
| 427 | width += titleSpacing + titleSpacing; |
| 428 | |
| 429 | Insets insets = getInsets(); |
| 430 | height += insets.top + insets.bottom; |
| 431 | width += insets.left + insets.right; |
| 432 | context.dispose(); |
| 433 | return new Dimension(width, height); |
| 434 | } |
| 435 | |
| 436 | private int center(Component c, Insets insets, int x, |
| 437 | boolean trailing) { |
| 438 | Dimension pref = c.getPreferredSize(); |
| 439 | if (trailing) { |
| 440 | x -= pref.width; |
| 441 | } |
| 442 | c.setBounds(x, insets.top + |
| 443 | (getHeight() - insets.top - insets.bottom - |
| 444 | pref.height) / 2, pref.width, pref.height); |
| 445 | if (pref.width > 0) { |
| 446 | if (trailing) { |
| 447 | return x - buttonSpacing; |
| 448 | } |
| 449 | return x + pref.width + buttonSpacing; |
| 450 | } |
| 451 | return x; |
| 452 | } |
| 453 | |
| 454 | public void layoutContainer(Container c) { |
| 455 | Insets insets = c.getInsets(); |
| 456 | Dimension pref; |
| 457 | |
| 458 | if (SynthLookAndFeel.isLeftToRight(frame)) { |
| 459 | center(menuButton, insets, insets.left, false); |
| 460 | int x = getWidth() - insets.right; |
| 461 | if (frame.isClosable()) { |
| 462 | x = center(closeButton, insets, x, true); |
| 463 | } |
| 464 | if (frame.isMaximizable()) { |
| 465 | x = center(maxButton, insets, x, true); |
| 466 | } |
| 467 | if (frame.isIconifiable()) { |
| 468 | x = center(iconButton, insets, x, true); |
| 469 | } |
| 470 | } |
| 471 | else { |
| 472 | center(menuButton, insets, getWidth() - insets.right, |
| 473 | true); |
| 474 | int x = insets.left; |
| 475 | if (frame.isClosable()) { |
| 476 | x = center(closeButton, insets, x, false); |
| 477 | } |
| 478 | if (frame.isMaximizable()) { |
| 479 | x = center(maxButton, insets, x, false); |
| 480 | } |
| 481 | if (frame.isIconifiable()) { |
| 482 | x = center(iconButton, insets, x, false); |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | private JButton createNoFocusButton() { |
| 489 | JButton button = new JButton(); |
| 490 | button.setFocusable(false); |
| 491 | button.setMargin(new Insets(0,0,0,0)); |
| 492 | return button; |
| 493 | } |
| 494 | } |