1 /* 2 * Copyright (c) 2000, 2010, 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 26 package javax.swing.plaf.basic; 27 28 import java.awt.*; 29 import java.awt.event.*; 30 import java.text.ParseException; 31 32 import javax.swing.*; 33 import javax.swing.border.*; 34 import javax.swing.event.*; 35 import javax.swing.plaf.*; 36 import javax.swing.text.*; 37 38 import java.beans.*; 39 import java.text.*; 40 import java.util.*; 41 import sun.swing.DefaultLookup; 42 43 44 /** 45 * The default Spinner UI delegate. 46 * 47 * @author Hans Muller 48 * @since 1.4 49 */ 50 public class BasicSpinnerUI extends SpinnerUI 51 { 52 /** 53 * The spinner that we're a UI delegate for. Initialized by 54 * the <code>installUI</code> method, and reset to null 55 * by <code>uninstallUI</code>. 56 * 57 * @see #installUI 58 * @see #uninstallUI 59 */ 60 protected JSpinner spinner; 61 private Handler handler; 62 63 64 /** 65 * The mouse/action listeners that are added to the spinner's 66 * arrow buttons. These listeners are shared by all 67 * spinner arrow buttons. 68 * 69 * @see #createNextButton 70 * @see #createPreviousButton 71 */ 72 private static final ArrowButtonHandler nextButtonHandler = new ArrowButtonHandler("increment", true); 73 private static final ArrowButtonHandler previousButtonHandler = new ArrowButtonHandler("decrement", false); 74 private PropertyChangeListener propertyChangeListener; 75 76 77 /** 78 * Used by the default LayoutManager class - SpinnerLayout for 79 * missing (null) editor/nextButton/previousButton children. 80 */ 81 private static final Dimension zeroSize = new Dimension(0, 0); 82 83 84 /** 85 * Returns a new instance of BasicSpinnerUI. SpinnerListUI 86 * delegates are allocated one per JSpinner. 87 * 88 * @param c the JSpinner (not used) 89 * @see ComponentUI#createUI 90 * @return a new BasicSpinnerUI object 91 */ 92 public static ComponentUI createUI(JComponent c) { 93 return new BasicSpinnerUI(); 94 } 95 96 97 private void maybeAdd(Component c, String s) { 98 if (c != null) { 99 spinner.add(c, s); 100 } 101 } 102 103 104 /** 105 * Calls <code>installDefaults</code>, <code>installListeners</code>, 106 * and then adds the components returned by <code>createNextButton</code>, 107 * <code>createPreviousButton</code>, and <code>createEditor</code>. 108 * 109 * @param c the JSpinner 110 * @see #installDefaults 111 * @see #installListeners 112 * @see #createNextButton 113 * @see #createPreviousButton 114 * @see #createEditor 115 */ 116 public void installUI(JComponent c) { 117 this.spinner = (JSpinner)c; 118 installDefaults(); 119 installListeners(); 120 maybeAdd(createNextButton(), "Next"); 121 maybeAdd(createPreviousButton(), "Previous"); 122 maybeAdd(createEditor(), "Editor"); 123 updateEnabledState(); 124 installKeyboardActions(); 125 } 126 127 128 /** 129 * Calls <code>uninstallDefaults</code>, <code>uninstallListeners</code>, 130 * and then removes all of the spinners children. 131 * 132 * @param c the JSpinner (not used) 133 */ 134 public void uninstallUI(JComponent c) { 135 uninstallDefaults(); 136 uninstallListeners(); 137 this.spinner = null; 138 c.removeAll(); 139 } 140 141 142 /** 143 * Initializes <code>PropertyChangeListener</code> with 144 * a shared object that delegates interesting PropertyChangeEvents 145 * to protected methods. 146 * <p> 147 * This method is called by <code>installUI</code>. 148 * 149 * @see #replaceEditor 150 * @see #uninstallListeners 151 */ 152 protected void installListeners() { 153 propertyChangeListener = createPropertyChangeListener(); 154 spinner.addPropertyChangeListener(propertyChangeListener); 155 if (DefaultLookup.getBoolean(spinner, this, 156 "Spinner.disableOnBoundaryValues", false)) { 157 spinner.addChangeListener(getHandler()); 158 } 159 JComponent editor = spinner.getEditor(); 160 if (editor != null && editor instanceof JSpinner.DefaultEditor) { 161 JTextField tf = ((JSpinner.DefaultEditor)editor).getTextField(); 162 if (tf != null) { 163 tf.addFocusListener(nextButtonHandler); 164 tf.addFocusListener(previousButtonHandler); 165 } 166 } 167 } 168 169 170 /** 171 * Removes the <code>PropertyChangeListener</code> added 172 * by installListeners. 173 * <p> 174 * This method is called by <code>uninstallUI</code>. 175 * 176 * @see #installListeners 177 */ 178 protected void uninstallListeners() { 179 spinner.removePropertyChangeListener(propertyChangeListener); 180 spinner.removeChangeListener(handler); 181 JComponent editor = spinner.getEditor(); 182 removeEditorBorderListener(editor); 183 if (editor instanceof JSpinner.DefaultEditor) { 184 JTextField tf = ((JSpinner.DefaultEditor)editor).getTextField(); 185 if (tf != null) { 186 tf.removeFocusListener(nextButtonHandler); 187 tf.removeFocusListener(previousButtonHandler); 188 } 189 } 190 propertyChangeListener = null; 191 handler = null; 192 } 193 194 195 /** 196 * Initialize the <code>JSpinner</code> <code>border</code>, 197 * <code>foreground</code>, and <code>background</code>, properties 198 * based on the corresponding "Spinner.*" properties from defaults table. 199 * The <code>JSpinners</code> layout is set to the value returned by 200 * <code>createLayout</code>. This method is called by <code>installUI</code>. 201 * 202 * @see #uninstallDefaults 203 * @see #installUI 204 * @see #createLayout 205 * @see LookAndFeel#installBorder 206 * @see LookAndFeel#installColors 207 */ 208 protected void installDefaults() { 209 spinner.setLayout(createLayout()); 210 LookAndFeel.installBorder(spinner, "Spinner.border"); 211 LookAndFeel.installColorsAndFont(spinner, "Spinner.background", "Spinner.foreground", "Spinner.font"); 212 LookAndFeel.installProperty(spinner, "opaque", Boolean.TRUE); 213 } 214 215 216 /** 217 * Sets the <code>JSpinner's</code> layout manager to null. This 218 * method is called by <code>uninstallUI</code>. 219 * 220 * @see #installDefaults 221 * @see #uninstallUI 222 */ 223 protected void uninstallDefaults() { 224 spinner.setLayout(null); 225 } 226 227 228 private Handler getHandler() { 229 if (handler == null) { 230 handler = new Handler(); 231 } 232 return handler; 233 } 234 235 236 /** 237 * Installs the necessary listeners on the next button, <code>c</code>, 238 * to update the <code>JSpinner</code> in response to a user gesture. 239 * 240 * @param c Component to install the listeners on 241 * @throws NullPointerException if <code>c</code> is null. 242 * @see #createNextButton 243 * @since 1.5 244 */ 245 protected void installNextButtonListeners(Component c) { 246 installButtonListeners(c, nextButtonHandler); 247 } 248 249 /** 250 * Installs the necessary listeners on the previous button, <code>c</code>, 251 * to update the <code>JSpinner</code> in response to a user gesture. 252 * 253 * @param c Component to install the listeners on. 254 * @throws NullPointerException if <code>c</code> is null. 255 * @see #createPreviousButton 256 * @since 1.5 257 */ 258 protected void installPreviousButtonListeners(Component c) { 259 installButtonListeners(c, previousButtonHandler); 260 } 261 262 private void installButtonListeners(Component c, 263 ArrowButtonHandler handler) { 264 if (c instanceof JButton) { 265 ((JButton)c).addActionListener(handler); 266 } 267 c.addMouseListener(handler); 268 } 269 270 /** 271 * Creates a <code>LayoutManager</code> that manages the <code>editor</code>, 272 * <code>nextButton</code>, and <code>previousButton</code> 273 * children of the JSpinner. These three children must be 274 * added with a constraint that identifies their role: 275 * "Editor", "Next", and "Previous". The default layout manager 276 * can handle the absence of any of these children. 277 * 278 * @return a LayoutManager for the editor, next button, and previous button. 279 * @see #createNextButton 280 * @see #createPreviousButton 281 * @see #createEditor 282 */ 283 protected LayoutManager createLayout() { 284 return getHandler(); 285 } 286 287 288 /** 289 * Creates a <code>PropertyChangeListener</code> that can be 290 * added to the JSpinner itself. Typically, this listener 291 * will call replaceEditor when the "editor" property changes, 292 * since it's the <code>SpinnerUI's</code> responsibility to 293 * add the editor to the JSpinner (and remove the old one). 294 * This method is called by <code>installListeners</code>. 295 * 296 * @return A PropertyChangeListener for the JSpinner itself 297 * @see #installListeners 298 */ 299 protected PropertyChangeListener createPropertyChangeListener() { 300 return getHandler(); 301 } 302 303 304 /** 305 * Creates a decrement button, i.e. component that replaces the spinner 306 * value with the object returned by <code>spinner.getPreviousValue</code>. 307 * By default the <code>previousButton</code> is a {@code JButton}. If the 308 * decrement button is not needed this method should return {@code null}. 309 * 310 * @return a component that will replace the spinner's value with the 311 * previous value in the sequence, or {@code null} 312 * @see #installUI 313 * @see #createNextButton 314 * @see #installPreviousButtonListeners 315 */ 316 protected Component createPreviousButton() { 317 Component c = createArrowButton(SwingConstants.SOUTH); 318 c.setName("Spinner.previousButton"); 319 installPreviousButtonListeners(c); 320 return c; 321 } 322 323 324 /** 325 * Creates an increment button, i.e. component that replaces the spinner 326 * value with the object returned by <code>spinner.getNextValue</code>. 327 * By default the <code>nextButton</code> is a {@code JButton}. If the 328 * increment button is not needed this method should return {@code null}. 329 * 330 * @return a component that will replace the spinner's value with the 331 * next value in the sequence, or {@code null} 332 * @see #installUI 333 * @see #createPreviousButton 334 * @see #installNextButtonListeners 335 */ 336 protected Component createNextButton() { 337 Component c = createArrowButton(SwingConstants.NORTH); 338 c.setName("Spinner.nextButton"); 339 installNextButtonListeners(c); 340 return c; 341 } 342 343 private Component createArrowButton(int direction) { 344 JButton b = new BasicArrowButton(direction); 345 Border buttonBorder = UIManager.getBorder("Spinner.arrowButtonBorder"); 346 if (buttonBorder instanceof UIResource) { 347 // Wrap the border to avoid having the UIResource be replaced by 348 // the ButtonUI. This is the opposite of using BorderUIResource. 349 b.setBorder(new CompoundBorder(buttonBorder, null)); 350 } else { 351 b.setBorder(buttonBorder); 352 } 353 b.setInheritsPopupMenu(true); 354 return b; 355 } 356 357 358 /** 359 * This method is called by installUI to get the editor component 360 * of the <code>JSpinner</code>. By default it just returns 361 * <code>JSpinner.getEditor()</code>. Subclasses can override 362 * <code>createEditor</code> to return a component that contains 363 * the spinner's editor or null, if they're going to handle adding 364 * the editor to the <code>JSpinner</code> in an 365 * <code>installUI</code> override. 366 * <p> 367 * Typically this method would be overridden to wrap the editor 368 * with a container with a custom border, since one can't assume 369 * that the editors border can be set directly. 370 * <p> 371 * The <code>replaceEditor</code> method is called when the spinners 372 * editor is changed with <code>JSpinner.setEditor</code>. If you've 373 * overriden this method, then you'll probably want to override 374 * <code>replaceEditor</code> as well. 375 * 376 * @return the JSpinners editor JComponent, spinner.getEditor() by default 377 * @see #installUI 378 * @see #replaceEditor 379 * @see JSpinner#getEditor 380 */ 381 protected JComponent createEditor() { 382 JComponent editor = spinner.getEditor(); 383 maybeRemoveEditorBorder(editor); 384 installEditorBorderListener(editor); 385 editor.setInheritsPopupMenu(true); 386 updateEditorAlignment(editor); 387 return editor; 388 } 389 390 391 /** 392 * Called by the <code>PropertyChangeListener</code> when the 393 * <code>JSpinner</code> editor property changes. It's the responsibility 394 * of this method to remove the old editor and add the new one. By 395 * default this operation is just: 396 * <pre> 397 * spinner.remove(oldEditor); 398 * spinner.add(newEditor, "Editor"); 399 * </pre> 400 * The implementation of <code>replaceEditor</code> should be coordinated 401 * with the <code>createEditor</code> method. 402 * 403 * @see #createEditor 404 * @see #createPropertyChangeListener 405 */ 406 protected void replaceEditor(JComponent oldEditor, JComponent newEditor) { 407 spinner.remove(oldEditor); 408 maybeRemoveEditorBorder(newEditor); 409 installEditorBorderListener(newEditor); 410 newEditor.setInheritsPopupMenu(true); 411 spinner.add(newEditor, "Editor"); 412 } 413 414 private void updateEditorAlignment(JComponent editor) { 415 if (editor instanceof JSpinner.DefaultEditor) { 416 // if editor alignment isn't set in LAF, we get 0 (CENTER) here 417 int alignment = UIManager.getInt("Spinner.editorAlignment"); 418 JTextField text = ((JSpinner.DefaultEditor)editor).getTextField(); 419 text.setHorizontalAlignment(alignment); 420 } 421 } 422 423 /** 424 * Remove the border around the inner editor component for LaFs 425 * that install an outside border around the spinner, 426 */ 427 private void maybeRemoveEditorBorder(JComponent editor) { 428 if (!UIManager.getBoolean("Spinner.editorBorderPainted")) { 429 if (editor instanceof JPanel && 430 editor.getBorder() == null && 431 editor.getComponentCount() > 0) { 432 433 editor = (JComponent)editor.getComponent(0); 434 } 435 436 if (editor != null && editor.getBorder() instanceof UIResource) { 437 editor.setBorder(null); 438 } 439 } 440 } 441 442 /** 443 * Remove the border around the inner editor component for LaFs 444 * that install an outside border around the spinner, 445 */ 446 private void installEditorBorderListener(JComponent editor) { 447 if (!UIManager.getBoolean("Spinner.editorBorderPainted")) { 448 if (editor instanceof JPanel && 449 editor.getBorder() == null && 450 editor.getComponentCount() > 0) { 451 452 editor = (JComponent)editor.getComponent(0); 453 } 454 if (editor != null && 455 (editor.getBorder() == null || 456 editor.getBorder() instanceof UIResource)) { 457 editor.addPropertyChangeListener(getHandler()); 458 } 459 } 460 } 461 462 private void removeEditorBorderListener(JComponent editor) { 463 if (!UIManager.getBoolean("Spinner.editorBorderPainted")) { 464 if (editor instanceof JPanel && 465 editor.getComponentCount() > 0) { 466 467 editor = (JComponent)editor.getComponent(0); 468 } 469 if (editor != null) { 470 editor.removePropertyChangeListener(getHandler()); 471 } 472 } 473 } 474 475 476 /** 477 * Updates the enabled state of the children Components based on the 478 * enabled state of the <code>JSpinner</code>. 479 */ 480 private void updateEnabledState() { 481 updateEnabledState(spinner, spinner.isEnabled()); 482 } 483 484 485 /** 486 * Recursively updates the enabled state of the child 487 * <code>Component</code>s of <code>c</code>. 488 */ 489 private void updateEnabledState(Container c, boolean enabled) { 490 for (int counter = c.getComponentCount() - 1; counter >= 0;counter--) { 491 Component child = c.getComponent(counter); 492 493 if (DefaultLookup.getBoolean(spinner, this, 494 "Spinner.disableOnBoundaryValues", false)) { 495 SpinnerModel model = spinner.getModel(); 496 if (child.getName() == "Spinner.nextButton" && 497 model.getNextValue() == null) { 498 child.setEnabled(false); 499 } 500 else if (child.getName() == "Spinner.previousButton" && 501 model.getPreviousValue() == null) { 502 child.setEnabled(false); 503 } 504 else { 505 child.setEnabled(enabled); 506 } 507 } 508 else { 509 child.setEnabled(enabled); 510 } 511 if (child instanceof Container) { 512 updateEnabledState((Container)child, enabled); 513 } 514 } 515 } 516 517 518 /** 519 * Installs the keyboard Actions onto the JSpinner. 520 * 521 * @since 1.5 522 */ 523 protected void installKeyboardActions() { 524 InputMap iMap = getInputMap(JComponent. 525 WHEN_ANCESTOR_OF_FOCUSED_COMPONENT); 526 527 SwingUtilities.replaceUIInputMap(spinner, JComponent. 528 WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, 529 iMap); 530 531 LazyActionMap.installLazyActionMap(spinner, BasicSpinnerUI.class, 532 "Spinner.actionMap"); 533 } 534 535 /** 536 * Returns the InputMap to install for <code>condition</code>. 537 */ 538 private InputMap getInputMap(int condition) { 539 if (condition == JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT) { 540 return (InputMap)DefaultLookup.get(spinner, this, 541 "Spinner.ancestorInputMap"); 542 } 543 return null; 544 } 545 546 static void loadActionMap(LazyActionMap map) { 547 map.put("increment", nextButtonHandler); 548 map.put("decrement", previousButtonHandler); 549 } 550 551 /** 552 * Returns the baseline. 553 * 554 * @throws NullPointerException {@inheritDoc} 555 * @throws IllegalArgumentException {@inheritDoc} 556 * @see javax.swing.JComponent#getBaseline(int, int) 557 * @since 1.6 558 */ 559 public int getBaseline(JComponent c, int width, int height) { 560 super.getBaseline(c, width, height); 561 JComponent editor = spinner.getEditor(); 562 Insets insets = spinner.getInsets(); 563 width = width - insets.left - insets.right; 564 height = height - insets.top - insets.bottom; 565 if (width >= 0 && height >= 0) { 566 int baseline = editor.getBaseline(width, height); 567 if (baseline >= 0) { 568 return insets.top + baseline; 569 } 570 } 571 return -1; 572 } 573 574 /** 575 * Returns an enum indicating how the baseline of the component 576 * changes as the size changes. 577 * 578 * @throws NullPointerException {@inheritDoc} 579 * @see javax.swing.JComponent#getBaseline(int, int) 580 * @since 1.6 581 */ 582 public Component.BaselineResizeBehavior getBaselineResizeBehavior( 583 JComponent c) { 584 super.getBaselineResizeBehavior(c); 585 return spinner.getEditor().getBaselineResizeBehavior(); 586 } 587 588 /** 589 * A handler for spinner arrow button mouse and action events. When 590 * a left mouse pressed event occurs we look up the (enabled) spinner 591 * that's the source of the event and start the autorepeat timer. The 592 * timer fires action events until any button is released at which 593 * point the timer is stopped and the reference to the spinner cleared. 594 * The timer doesn't start until after a 300ms delay, so often the 595 * source of the initial (and final) action event is just the button 596 * logic for mouse released - which means that we're relying on the fact 597 * that our mouse listener runs after the buttons mouse listener. 598 * <p> 599 * Note that one instance of this handler is shared by all slider previous 600 * arrow buttons and likewise for all of the next buttons, 601 * so it doesn't have any state that persists beyond the limits 602 * of a single button pressed/released gesture. 603 */ 604 private static class ArrowButtonHandler extends AbstractAction 605 implements FocusListener, MouseListener, UIResource { 606 final javax.swing.Timer autoRepeatTimer; 607 final boolean isNext; 608 JSpinner spinner = null; 609 JButton arrowButton = null; 610 611 ArrowButtonHandler(String name, boolean isNext) { 612 super(name); 613 this.isNext = isNext; 614 autoRepeatTimer = new javax.swing.Timer(60, this); 615 autoRepeatTimer.setInitialDelay(300); 616 } 617 618 private JSpinner eventToSpinner(AWTEvent e) { 619 Object src = e.getSource(); 620 while ((src instanceof Component) && !(src instanceof JSpinner)) { 621 src = ((Component)src).getParent(); 622 } 623 return (src instanceof JSpinner) ? (JSpinner)src : null; 624 } 625 626 public void actionPerformed(ActionEvent e) { 627 JSpinner spinner = this.spinner; 628 629 if (!(e.getSource() instanceof javax.swing.Timer)) { 630 // Most likely resulting from being in ActionMap. 631 spinner = eventToSpinner(e); 632 if (e.getSource() instanceof JButton) { 633 arrowButton = (JButton)e.getSource(); 634 } 635 } else { 636 if (arrowButton!=null && !arrowButton.getModel().isPressed() 637 && autoRepeatTimer.isRunning()) { 638 autoRepeatTimer.stop(); 639 spinner = null; 640 arrowButton = null; 641 } 642 } 643 if (spinner != null) { 644 try { 645 int calendarField = getCalendarField(spinner); 646 spinner.commitEdit(); 647 if (calendarField != -1) { 648 ((SpinnerDateModel)spinner.getModel()). 649 setCalendarField(calendarField); 650 } 651 Object value = (isNext) ? spinner.getNextValue() : 652 spinner.getPreviousValue(); 653 if (value != null) { 654 spinner.setValue(value); 655 select(spinner); 656 } 657 } catch (IllegalArgumentException iae) { 658 UIManager.getLookAndFeel().provideErrorFeedback(spinner); 659 } catch (ParseException pe) { 660 UIManager.getLookAndFeel().provideErrorFeedback(spinner); 661 } 662 } 663 } 664 665 /** 666 * If the spinner's editor is a DateEditor, this selects the field 667 * associated with the value that is being incremented. 668 */ 669 private void select(JSpinner spinner) { 670 JComponent editor = spinner.getEditor(); 671 672 if (editor instanceof JSpinner.DateEditor) { 673 JSpinner.DateEditor dateEditor = (JSpinner.DateEditor)editor; 674 JFormattedTextField ftf = dateEditor.getTextField(); 675 Format format = dateEditor.getFormat(); 676 Object value; 677 678 if (format != null && (value = spinner.getValue()) != null) { 679 SpinnerDateModel model = dateEditor.getModel(); 680 DateFormat.Field field = DateFormat.Field.ofCalendarField( 681 model.getCalendarField()); 682 683 if (field != null) { 684 try { 685 AttributedCharacterIterator iterator = format. 686 formatToCharacterIterator(value); 687 if (!select(ftf, iterator, field) && 688 field == DateFormat.Field.HOUR0) { 689 select(ftf, iterator, DateFormat.Field.HOUR1); 690 } 691 } 692 catch (IllegalArgumentException iae) {} 693 } 694 } 695 } 696 } 697 698 /** 699 * Selects the passed in field, returning true if it is found, 700 * false otherwise. 701 */ 702 private boolean select(JFormattedTextField ftf, 703 AttributedCharacterIterator iterator, 704 DateFormat.Field field) { 705 int max = ftf.getDocument().getLength(); 706 707 iterator.first(); 708 do { 709 Map attrs = iterator.getAttributes(); 710 711 if (attrs != null && attrs.containsKey(field)){ 712 int start = iterator.getRunStart(field); 713 int end = iterator.getRunLimit(field); 714 715 if (start != -1 && end != -1 && start <= max && 716 end <= max) { 717 ftf.select(start, end); 718 } 719 return true; 720 } 721 } while (iterator.next() != CharacterIterator.DONE); 722 return false; 723 } 724 725 /** 726 * Returns the calendarField under the start of the selection, or 727 * -1 if there is no valid calendar field under the selection (or 728 * the spinner isn't editing dates. 729 */ 730 private int getCalendarField(JSpinner spinner) { 731 JComponent editor = spinner.getEditor(); 732 733 if (editor instanceof JSpinner.DateEditor) { 734 JSpinner.DateEditor dateEditor = (JSpinner.DateEditor)editor; 735 JFormattedTextField ftf = dateEditor.getTextField(); 736 int start = ftf.getSelectionStart(); 737 JFormattedTextField.AbstractFormatter formatter = 738 ftf.getFormatter(); 739 740 if (formatter instanceof InternationalFormatter) { 741 Format.Field[] fields = ((InternationalFormatter) 742 formatter).getFields(start); 743 744 for (int counter = 0; counter < fields.length; counter++) { 745 if (fields[counter] instanceof DateFormat.Field) { 746 int calendarField; 747 748 if (fields[counter] == DateFormat.Field.HOUR1) { 749 calendarField = Calendar.HOUR; 750 } 751 else { 752 calendarField = ((DateFormat.Field) 753 fields[counter]).getCalendarField(); 754 } 755 if (calendarField != -1) { 756 return calendarField; 757 } 758 } 759 } 760 } 761 } 762 return -1; 763 } 764 765 public void mousePressed(MouseEvent e) { 766 if (SwingUtilities.isLeftMouseButton(e) && e.getComponent().isEnabled()) { 767 spinner = eventToSpinner(e); 768 autoRepeatTimer.start(); 769 770 focusSpinnerIfNecessary(); 771 } 772 } 773 774 public void mouseReleased(MouseEvent e) { 775 autoRepeatTimer.stop(); 776 arrowButton = null; 777 spinner = null; 778 } 779 780 public void mouseClicked(MouseEvent e) { 781 } 782 783 public void mouseEntered(MouseEvent e) { 784 if (spinner != null && !autoRepeatTimer.isRunning() && spinner == eventToSpinner(e)) { 785 autoRepeatTimer.start(); 786 } 787 } 788 789 public void mouseExited(MouseEvent e) { 790 if (autoRepeatTimer.isRunning()) { 791 autoRepeatTimer.stop(); 792 } 793 } 794 795 /** 796 * Requests focus on a child of the spinner if the spinner doesn't 797 * have focus. 798 */ 799 private void focusSpinnerIfNecessary() { 800 Component fo = KeyboardFocusManager. 801 getCurrentKeyboardFocusManager().getFocusOwner(); 802 if (spinner.isRequestFocusEnabled() && ( 803 fo == null || 804 !SwingUtilities.isDescendingFrom(fo, spinner))) { 805 Container root = spinner; 806 807 if (!root.isFocusCycleRoot()) { 808 root = root.getFocusCycleRootAncestor(); 809 } 810 if (root != null) { 811 FocusTraversalPolicy ftp = root.getFocusTraversalPolicy(); 812 Component child = ftp.getComponentAfter(root, spinner); 813 814 if (child != null && SwingUtilities.isDescendingFrom( 815 child, spinner)) { 816 child.requestFocus(); 817 } 818 } 819 } 820 } 821 822 public void focusGained(FocusEvent e) { 823 } 824 825 public void focusLost(FocusEvent e) { 826 if (spinner == eventToSpinner(e)) { 827 if (autoRepeatTimer.isRunning()) { 828 autoRepeatTimer.stop(); 829 } 830 spinner = null; 831 if (arrowButton != null) { 832 ButtonModel model = arrowButton.getModel(); 833 model.setPressed(false); 834 model.setArmed(false); 835 arrowButton = null; 836 } 837 } 838 } 839 } 840 841 842 private static class Handler implements LayoutManager, 843 PropertyChangeListener, ChangeListener { 844 // 845 // LayoutManager 846 // 847 private Component nextButton = null; 848 private Component previousButton = null; 849 private Component editor = null; 850 851 public void addLayoutComponent(String name, Component c) { 852 if ("Next".equals(name)) { 853 nextButton = c; 854 } 855 else if ("Previous".equals(name)) { 856 previousButton = c; 857 } 858 else if ("Editor".equals(name)) { 859 editor = c; 860 } 861 } 862 863 public void removeLayoutComponent(Component c) { 864 if (c == nextButton) { 865 nextButton = null; 866 } 867 else if (c == previousButton) { 868 previousButton = null; 869 } 870 else if (c == editor) { 871 editor = null; 872 } 873 } 874 875 private Dimension preferredSize(Component c) { 876 return (c == null) ? zeroSize : c.getPreferredSize(); 877 } 878 879 public Dimension preferredLayoutSize(Container parent) { 880 Dimension nextD = preferredSize(nextButton); 881 Dimension previousD = preferredSize(previousButton); 882 Dimension editorD = preferredSize(editor); 883 884 /* Force the editors height to be a multiple of 2 885 */ 886 editorD.height = ((editorD.height + 1) / 2) * 2; 887 888 Dimension size = new Dimension(editorD.width, editorD.height); 889 size.width += Math.max(nextD.width, previousD.width); 890 Insets insets = parent.getInsets(); 891 size.width += insets.left + insets.right; 892 size.height += insets.top + insets.bottom; 893 return size; 894 } 895 896 public Dimension minimumLayoutSize(Container parent) { 897 return preferredLayoutSize(parent); 898 } 899 900 private void setBounds(Component c, int x, int y, int width, int height) { 901 if (c != null) { 902 c.setBounds(x, y, width, height); 903 } 904 } 905 906 public void layoutContainer(Container parent) { 907 int width = parent.getWidth(); 908 int height = parent.getHeight(); 909 910 Insets insets = parent.getInsets(); 911 912 if (nextButton == null && previousButton == null) { 913 setBounds(editor, insets.left, insets.top, width - insets.left - insets.right, 914 height - insets.top - insets.bottom); 915 916 return; 917 } 918 919 Dimension nextD = preferredSize(nextButton); 920 Dimension previousD = preferredSize(previousButton); 921 int buttonsWidth = Math.max(nextD.width, previousD.width); 922 int editorHeight = height - (insets.top + insets.bottom); 923 924 // The arrowButtonInsets value is used instead of the JSpinner's 925 // insets if not null. Defining this to be (0, 0, 0, 0) causes the 926 // buttons to be aligned with the outer edge of the spinner's 927 // border, and leaving it as "null" places the buttons completely 928 // inside the spinner's border. 929 Insets buttonInsets = UIManager.getInsets("Spinner.arrowButtonInsets"); 930 if (buttonInsets == null) { 931 buttonInsets = insets; 932 } 933 934 /* Deal with the spinner's componentOrientation property. 935 */ 936 int editorX, editorWidth, buttonsX; 937 if (parent.getComponentOrientation().isLeftToRight()) { 938 editorX = insets.left; 939 editorWidth = width - insets.left - buttonsWidth - buttonInsets.right; 940 buttonsX = width - buttonsWidth - buttonInsets.right; 941 } else { 942 buttonsX = buttonInsets.left; 943 editorX = buttonsX + buttonsWidth; 944 editorWidth = width - buttonInsets.left - buttonsWidth - insets.right; 945 } 946 947 int nextY = buttonInsets.top; 948 int nextHeight = (height / 2) + (height % 2) - nextY; 949 int previousY = buttonInsets.top + nextHeight; 950 int previousHeight = height - previousY - buttonInsets.bottom; 951 952 setBounds(editor, editorX, insets.top, editorWidth, editorHeight); 953 setBounds(nextButton, buttonsX, nextY, buttonsWidth, nextHeight); 954 setBounds(previousButton, buttonsX, previousY, buttonsWidth, previousHeight); 955 } 956 957 958 // 959 // PropertyChangeListener 960 // 961 public void propertyChange(PropertyChangeEvent e) 962 { 963 String propertyName = e.getPropertyName(); 964 if (e.getSource() instanceof JSpinner) { 965 JSpinner spinner = (JSpinner)(e.getSource()); 966 SpinnerUI spinnerUI = spinner.getUI(); 967 968 if (spinnerUI instanceof BasicSpinnerUI) { 969 BasicSpinnerUI ui = (BasicSpinnerUI)spinnerUI; 970 971 if ("editor".equals(propertyName)) { 972 JComponent oldEditor = (JComponent)e.getOldValue(); 973 JComponent newEditor = (JComponent)e.getNewValue(); 974 ui.replaceEditor(oldEditor, newEditor); 975 ui.updateEnabledState(); 976 if (oldEditor instanceof JSpinner.DefaultEditor) { 977 JTextField tf = 978 ((JSpinner.DefaultEditor)oldEditor).getTextField(); 979 if (tf != null) { 980 tf.removeFocusListener(nextButtonHandler); 981 tf.removeFocusListener(previousButtonHandler); 982 } 983 } 984 if (newEditor instanceof JSpinner.DefaultEditor) { 985 JTextField tf = 986 ((JSpinner.DefaultEditor)newEditor).getTextField(); 987 if (tf != null) { 988 if (tf.getFont() instanceof UIResource) { 989 tf.setFont(spinner.getFont()); 990 } 991 tf.addFocusListener(nextButtonHandler); 992 tf.addFocusListener(previousButtonHandler); 993 } 994 } 995 } 996 else if ("enabled".equals(propertyName) || 997 "model".equals(propertyName)) { 998 ui.updateEnabledState(); 999 } 1000 else if ("font".equals(propertyName)) { 1001 JComponent editor = spinner.getEditor(); 1002 if (editor!=null && editor instanceof JSpinner.DefaultEditor) { 1003 JTextField tf = 1004 ((JSpinner.DefaultEditor)editor).getTextField(); 1005 if (tf != null) { 1006 if (tf.getFont() instanceof UIResource) { 1007 tf.setFont(spinner.getFont()); 1008 } 1009 } 1010 } 1011 } 1012 else if (JComponent.TOOL_TIP_TEXT_KEY.equals(propertyName)) { 1013 updateToolTipTextForChildren(spinner); 1014 } 1015 } 1016 } else if (e.getSource() instanceof JComponent) { 1017 JComponent c = (JComponent)e.getSource(); 1018 if ((c.getParent() instanceof JPanel) && 1019 (c.getParent().getParent() instanceof JSpinner) && 1020 "border".equals(propertyName)) { 1021 1022 JSpinner spinner = (JSpinner)c.getParent().getParent(); 1023 SpinnerUI spinnerUI = spinner.getUI(); 1024 if (spinnerUI instanceof BasicSpinnerUI) { 1025 BasicSpinnerUI ui = (BasicSpinnerUI)spinnerUI; 1026 ui.maybeRemoveEditorBorder(c); 1027 } 1028 } 1029 } 1030 } 1031 1032 // Syncronizes the ToolTip text for the components within the spinner 1033 // to be the same value as the spinner ToolTip text. 1034 private void updateToolTipTextForChildren(JComponent spinner) { 1035 String toolTipText = spinner.getToolTipText(); 1036 Component[] children = spinner.getComponents(); 1037 for (int i = 0; i < children.length; i++) { 1038 if (children[i] instanceof JSpinner.DefaultEditor) { 1039 JTextField tf = ((JSpinner.DefaultEditor)children[i]).getTextField(); 1040 if (tf != null) { 1041 tf.setToolTipText(toolTipText); 1042 } 1043 } else if (children[i] instanceof JComponent) { 1044 ((JComponent)children[i]).setToolTipText( spinner.getToolTipText() ); 1045 } 1046 } 1047 } 1048 1049 public void stateChanged(ChangeEvent e) { 1050 if (e.getSource() instanceof JSpinner) { 1051 JSpinner spinner = (JSpinner)e.getSource(); 1052 SpinnerUI spinnerUI = spinner.getUI(); 1053 if (DefaultLookup.getBoolean(spinner, spinnerUI, 1054 "Spinner.disableOnBoundaryValues", false) && 1055 spinnerUI instanceof BasicSpinnerUI) { 1056 BasicSpinnerUI ui = (BasicSpinnerUI)spinnerUI; 1057 ui.updateEnabledState(); 1058 } 1059 } 1060 } 1061 } 1062 }