1 /*
2 * Copyright (c) 1998, 2014, 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.metal;
27
28 import sun.swing.SwingUtilities2;
29 import java.awt.*;
30 import java.awt.event.*;
31 import javax.swing.*;
32 import javax.swing.border.*;
33 import javax.swing.event.InternalFrameEvent;
34 import java.util.EventListener;
35 import java.beans.PropertyChangeListener;
36 import java.beans.PropertyChangeEvent;
37 import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
38
39
40 /**
41 * Class that manages a JLF title bar
42 * @author Steve Wilson
43 * @author Brian Beck
44 * @since 1.3
45 */
46 @SuppressWarnings("serial") // Superclass is not serializable across versions
47 public class MetalInternalFrameTitlePane extends BasicInternalFrameTitlePane {
48
49 /**
50 * The value {@code isPalette}
51 */
52 protected boolean isPalette = false;
53
54 /**
55 * The palette close icon.
56 */
57 protected Icon paletteCloseIcon;
58
59 /**
60 * The height of the palette title.
61 */
62 protected int paletteTitleHeight;
63
64 private static final Border handyEmptyBorder = new EmptyBorder(0,0,0,0);
65
66 /**
67 * Key used to lookup Color from UIManager. If this is null,
68 * <code>getWindowTitleBackground</code> is used.
69 */
70 private String selectedBackgroundKey;
71 /**
72 * Key used to lookup Color from UIManager. If this is null,
73 * <code>getWindowTitleForeground</code> is used.
74 */
75 private String selectedForegroundKey;
76 /**
77 * Key used to lookup shadow color from UIManager. If this is null,
78 * <code>getPrimaryControlDarkShadow</code> is used.
79 */
80 private String selectedShadowKey;
81 /**
82 * Boolean indicating the state of the <code>JInternalFrame</code>s
83 * closable property at <code>updateUI</code> time.
84 */
85 private boolean wasClosable;
86
87 int buttonsWidth = 0;
88
89 MetalBumps activeBumps
90 = new MetalBumps( 0, 0,
91 MetalLookAndFeel.getPrimaryControlHighlight(),
92 MetalLookAndFeel.getPrimaryControlDarkShadow(),
93 (UIManager.get("InternalFrame.activeTitleGradient") != null) ? null :
94 MetalLookAndFeel.getPrimaryControl() );
95 MetalBumps inactiveBumps
96 = new MetalBumps( 0, 0,
97 MetalLookAndFeel.getControlHighlight(),
98 MetalLookAndFeel.getControlDarkShadow(),
99 (UIManager.get("InternalFrame.inactiveTitleGradient") != null) ? null :
100 MetalLookAndFeel.getControl() );
101 MetalBumps paletteBumps;
102
103 private Color activeBumpsHighlight = MetalLookAndFeel.
104 getPrimaryControlHighlight();
105 private Color activeBumpsShadow = MetalLookAndFeel.
106 getPrimaryControlDarkShadow();
107
108 /**
109 * Constructs a new instance of {@code MetalInternalFrameTitlePane}
110 *
111 * @param f an instance of {@code JInternalFrame}
112 */
113 public MetalInternalFrameTitlePane(JInternalFrame f) {
114 super( f );
115 }
116
117 public void addNotify() {
118 super.addNotify();
119 // This is done here instead of in installDefaults as I was worried
120 // that the BasicInternalFrameUI might not be fully initialized, and
121 // that if this resets the closable state the BasicInternalFrameUI
122 // Listeners that get notified might be in an odd/uninitialized state.
123 updateOptionPaneState();
124 }
125
126 protected void installDefaults() {
127 super.installDefaults();
128 setFont( UIManager.getFont("InternalFrame.titleFont") );
129 paletteTitleHeight
130 = UIManager.getInt("InternalFrame.paletteTitleHeight");
131 paletteCloseIcon = UIManager.getIcon("InternalFrame.paletteCloseIcon");
132 wasClosable = frame.isClosable();
133 selectedForegroundKey = selectedBackgroundKey = null;
134 if (MetalLookAndFeel.usingOcean()) {
135 setOpaque(true);
136 }
137 }
138
139 protected void uninstallDefaults() {
140 super.uninstallDefaults();
141 if (wasClosable != frame.isClosable()) {
142 frame.setClosable(wasClosable);
143 }
144 }
145
146 protected void createButtons() {
147 super.createButtons();
148
149 Boolean paintActive = frame.isSelected() ? Boolean.TRUE:Boolean.FALSE;
150 iconButton.putClientProperty("paintActive", paintActive);
151 iconButton.setBorder(handyEmptyBorder);
152
153 maxButton.putClientProperty("paintActive", paintActive);
154 maxButton.setBorder(handyEmptyBorder);
155
156 closeButton.putClientProperty("paintActive", paintActive);
157 closeButton.setBorder(handyEmptyBorder);
158
159 // The palette close icon isn't opaque while the regular close icon is.
160 // This makes sure palette close buttons have the right background.
161 closeButton.setBackground(MetalLookAndFeel.getPrimaryControlShadow());
162
163 if (MetalLookAndFeel.usingOcean()) {
164 iconButton.setContentAreaFilled(false);
165 maxButton.setContentAreaFilled(false);
166 closeButton.setContentAreaFilled(false);
167 }
168 }
169
170 /**
171 * Override the parent's method to do nothing. Metal frames do not
172 * have system menus.
173 */
174 protected void assembleSystemMenu() {}
175
176 /**
177 * Override the parent's method to do nothing. Metal frames do not
178 * have system menus.
179 */
180 protected void addSystemMenuItems(JMenu systemMenu) {}
181
182 /**
183 * Override the parent's method to do nothing. Metal frames do not
184 * have system menus.
185 */
186 protected void showSystemMenu() {}
187
188 /**
189 * Override the parent's method avoid creating a menu bar. Metal frames
190 * do not have system menus.
191 */
192 protected void addSubComponents() {
193 add(iconButton);
194 add(maxButton);
195 add(closeButton);
196 }
197
198 protected PropertyChangeListener createPropertyChangeListener() {
199 return new MetalPropertyChangeHandler();
200 }
201
202 protected LayoutManager createLayout() {
203 return new MetalTitlePaneLayout();
204 }
205
206 class MetalPropertyChangeHandler
207 extends BasicInternalFrameTitlePane.PropertyChangeHandler
208 {
209 public void propertyChange(PropertyChangeEvent evt) {
210 String prop = evt.getPropertyName();
211 if( prop.equals(JInternalFrame.IS_SELECTED_PROPERTY) ) {
212 Boolean b = (Boolean)evt.getNewValue();
213 iconButton.putClientProperty("paintActive", b);
214 closeButton.putClientProperty("paintActive", b);
215 maxButton.putClientProperty("paintActive", b);
216 }
217 else if ("JInternalFrame.messageType".equals(prop)) {
218 updateOptionPaneState();
219 frame.repaint();
220 }
221 super.propertyChange(evt);
222 }
223 }
224
225 class MetalTitlePaneLayout extends TitlePaneLayout {
226 public void addLayoutComponent(String name, Component c) {}
227 public void removeLayoutComponent(Component c) {}
228 public Dimension preferredLayoutSize(Container c) {
229 return minimumLayoutSize(c);
230 }
231
232 public Dimension minimumLayoutSize(Container c) {
233 // Compute width.
234 int width = 30;
235 if (frame.isClosable()) {
236 width += 21;
237 }
238 if (frame.isMaximizable()) {
239 width += 16 + (frame.isClosable() ? 10 : 4);
240 }
241 if (frame.isIconifiable()) {
242 width += 16 + (frame.isMaximizable() ? 2 :
243 (frame.isClosable() ? 10 : 4));
244 }
245 FontMetrics fm = frame.getFontMetrics(getFont());
246 String frameTitle = frame.getTitle();
247 int title_w = frameTitle != null ? SwingUtilities2.stringWidth(
248 frame, fm, frameTitle) : 0;
249 int title_length = frameTitle != null ? frameTitle.length() : 0;
250
251 if (title_length > 2) {
252 int subtitle_w = SwingUtilities2.stringWidth(frame, fm,
253 frame.getTitle().substring(0, 2) + "...");
254 width += (title_w < subtitle_w) ? title_w : subtitle_w;
255 }
256 else {
257 width += title_w;
258 }
259
260 // Compute height.
261 int height;
262 if (isPalette) {
263 height = paletteTitleHeight;
264 } else {
265 int fontHeight = fm.getHeight();
266 fontHeight += 7;
267 Icon icon = frame.getFrameIcon();
268 int iconHeight = 0;
269 if (icon != null) {
270 // SystemMenuBar forces the icon to be 16x16 or less.
271 iconHeight = Math.min(icon.getIconHeight(), 16);
272 }
273 iconHeight += 5;
274 height = Math.max(fontHeight, iconHeight);
275 }
276
277 return new Dimension(width, height);
278 }
279
280 public void layoutContainer(Container c) {
281 boolean leftToRight = MetalUtils.isLeftToRight(frame);
282
283 int w = getWidth();
284 int x = leftToRight ? w : 0;
285 int y = 2;
286 int spacing;
287
288 // assumes all buttons have the same dimensions
289 // these dimensions include the borders
290 int buttonHeight = closeButton.getIcon().getIconHeight();
291 int buttonWidth = closeButton.getIcon().getIconWidth();
292
293 if(frame.isClosable()) {
294 if (isPalette) {
295 spacing = 3;
296 x += leftToRight ? -spacing -(buttonWidth+2) : spacing;
297 closeButton.setBounds(x, y, buttonWidth+2, getHeight()-4);
298 if( !leftToRight ) x += (buttonWidth+2);
299 } else {
300 spacing = 4;
301 x += leftToRight ? -spacing -buttonWidth : spacing;
302 closeButton.setBounds(x, y, buttonWidth, buttonHeight);
303 if( !leftToRight ) x += buttonWidth;
304 }
305 }
306
307 if(frame.isMaximizable() && !isPalette ) {
308 spacing = frame.isClosable() ? 10 : 4;
309 x += leftToRight ? -spacing -buttonWidth : spacing;
310 maxButton.setBounds(x, y, buttonWidth, buttonHeight);
311 if( !leftToRight ) x += buttonWidth;
312 }
313
314 if(frame.isIconifiable() && !isPalette ) {
315 spacing = frame.isMaximizable() ? 2
316 : (frame.isClosable() ? 10 : 4);
317 x += leftToRight ? -spacing -buttonWidth : spacing;
318 iconButton.setBounds(x, y, buttonWidth, buttonHeight);
319 if( !leftToRight ) x += buttonWidth;
320 }
321
322 buttonsWidth = leftToRight ? w - x : x;
323 }
324 }
325
326 /**
327 * Paints palette.
328 *
329 * @param g a instance of {@code Graphics}
330 */
331 public void paintPalette(Graphics g) {
332 boolean leftToRight = MetalUtils.isLeftToRight(frame);
333
334 int width = getWidth();
335 int height = getHeight();
336
337 if (paletteBumps == null) {
338 paletteBumps
339 = new MetalBumps(0, 0,
340 MetalLookAndFeel.getPrimaryControlHighlight(),
341 MetalLookAndFeel.getPrimaryControlInfo(),
342 MetalLookAndFeel.getPrimaryControlShadow() );
343 }
344
345 Color background = MetalLookAndFeel.getPrimaryControlShadow();
346 Color darkShadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
347
348 g.setColor(background);
349 g.fillRect(0, 0, width, height);
350
351 g.setColor( darkShadow );
352 g.drawLine ( 0, height - 1, width, height -1);
353
354 int xOffset = leftToRight ? 4 : buttonsWidth + 4;
355 int bumpLength = width - buttonsWidth -2*4;
356 int bumpHeight = getHeight() - 4;
357 paletteBumps.setBumpArea( bumpLength, bumpHeight );
358 paletteBumps.paintIcon( this, g, xOffset, 2);
359 }
360
361 public void paintComponent(Graphics g) {
362 if(isPalette) {
363 paintPalette(g);
364 return;
365 }
366
367 boolean leftToRight = MetalUtils.isLeftToRight(frame);
368 boolean isSelected = frame.isSelected();
369
370 int width = getWidth();
371 int height = getHeight();
372
373 Color background = null;
374 Color foreground = null;
375 Color shadow = null;
376
377 MetalBumps bumps;
378 String gradientKey;
379
380 if (isSelected) {
381 if (!MetalLookAndFeel.usingOcean()) {
382 closeButton.setContentAreaFilled(true);
383 maxButton.setContentAreaFilled(true);
384 iconButton.setContentAreaFilled(true);
385 }
386 if (selectedBackgroundKey != null) {
387 background = UIManager.getColor(selectedBackgroundKey);
388 }
389 if (background == null) {
390 background = MetalLookAndFeel.getWindowTitleBackground();
391 }
392 if (selectedForegroundKey != null) {
393 foreground = UIManager.getColor(selectedForegroundKey);
394 }
395 if (selectedShadowKey != null) {
396 shadow = UIManager.getColor(selectedShadowKey);
397 }
398 if (shadow == null) {
399 shadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
400 }
401 if (foreground == null) {
402 foreground = MetalLookAndFeel.getWindowTitleForeground();
403 }
404 activeBumps.setBumpColors(activeBumpsHighlight, activeBumpsShadow,
405 UIManager.get("InternalFrame.activeTitleGradient") !=
406 null ? null : background);
407 bumps = activeBumps;
408 gradientKey = "InternalFrame.activeTitleGradient";
409 } else {
410 if (!MetalLookAndFeel.usingOcean()) {
411 closeButton.setContentAreaFilled(false);
412 maxButton.setContentAreaFilled(false);
413 iconButton.setContentAreaFilled(false);
414 }
415 background = MetalLookAndFeel.getWindowTitleInactiveBackground();
416 foreground = MetalLookAndFeel.getWindowTitleInactiveForeground();
417 shadow = MetalLookAndFeel.getControlDarkShadow();
418 bumps = inactiveBumps;
419 gradientKey = "InternalFrame.inactiveTitleGradient";
420 }
421
422 if (!MetalUtils.drawGradient(this, g, gradientKey, 0, 0, width,
423 height, true)) {
424 g.setColor(background);
425 g.fillRect(0, 0, width, height);
426 }
427
428 g.setColor( shadow );
429 g.drawLine ( 0, height - 1, width, height -1);
430 g.drawLine ( 0, 0, 0 ,0);
431 g.drawLine ( width - 1, 0 , width -1, 0);
432
433
434 int titleLength;
435 int xOffset = leftToRight ? 5 : width - 5;
436 String frameTitle = frame.getTitle();
437
438 Icon icon = frame.getFrameIcon();
439 if ( icon != null ) {
440 if( !leftToRight )
441 xOffset -= icon.getIconWidth();
442 int iconY = ((height / 2) - (icon.getIconHeight() /2));
443 icon.paintIcon(frame, g, xOffset, iconY);
444 xOffset += leftToRight ? icon.getIconWidth() + 5 : -5;
445 }
446
447 if(frameTitle != null) {
448 Font f = getFont();
449 g.setFont(f);
450 FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g, f);
451 int fHeight = fm.getHeight();
452
453 g.setColor(foreground);
454
455 int yOffset = ( (height - fm.getHeight() ) / 2 ) + fm.getAscent();
456
457 Rectangle rect = new Rectangle(0, 0, 0, 0);
458 if (frame.isIconifiable()) { rect = iconButton.getBounds(); }
459 else if (frame.isMaximizable()) { rect = maxButton.getBounds(); }
460 else if (frame.isClosable()) { rect = closeButton.getBounds(); }
461 int titleW;
462
463 if( leftToRight ) {
464 if (rect.x == 0) {
465 rect.x = frame.getWidth()-frame.getInsets().right-2;
466 }
467 titleW = rect.x - xOffset - 4;
468 frameTitle = getTitle(frameTitle, fm, titleW);
469 } else {
470 titleW = xOffset - rect.x - rect.width - 4;
471 frameTitle = getTitle(frameTitle, fm, titleW);
472 xOffset -= SwingUtilities2.stringWidth(frame, fm, frameTitle);
473 }
474
475 titleLength = SwingUtilities2.stringWidth(frame, fm, frameTitle);
476 SwingUtilities2.drawString(frame, g, frameTitle, xOffset, yOffset);
477 xOffset += leftToRight ? titleLength + 5 : -5;
478 }
479
480 int bumpXOffset;
481 int bumpLength;
482 if( leftToRight ) {
483 bumpLength = width - buttonsWidth - xOffset - 5;
484 bumpXOffset = xOffset;
485 } else {
486 bumpLength = xOffset - buttonsWidth - 5;
487 bumpXOffset = buttonsWidth + 5;
488 }
489 int bumpYOffset = 3;
490 int bumpHeight = getHeight() - (2 * bumpYOffset);
491 bumps.setBumpArea( bumpLength, bumpHeight );
492 bumps.paintIcon(this, g, bumpXOffset, bumpYOffset);
493 }
494
495 /**
496 * If {@code b} is {@code true}, sets palette icons.
497 *
498 * @param b if {@code true}, sets palette icons
499 */
500 public void setPalette(boolean b) {
501 isPalette = b;
502
503 if (isPalette) {
504 closeButton.setIcon(paletteCloseIcon);
505 if( frame.isMaximizable() )
506 remove(maxButton);
507 if( frame.isIconifiable() )
508 remove(iconButton);
509 } else {
510 closeButton.setIcon(closeIcon);
511 if( frame.isMaximizable() )
512 add(maxButton);
513 if( frame.isIconifiable() )
514 add(iconButton);
515 }
516 revalidate();
517 repaint();
518 }
519
520 /**
521 * Updates any state dependant upon the JInternalFrame being shown in
522 * a <code>JOptionPane</code>.
523 */
524 private void updateOptionPaneState() {
525 int type = -2;
526 boolean closable = wasClosable;
527 Object obj = frame.getClientProperty("JInternalFrame.messageType");
528
529 if (obj == null) {
530 // Don't change the closable state unless in an JOptionPane.
531 return;
532 }
533 if (obj instanceof Integer) {
534 type = ((Integer) obj).intValue();
535 }
536 switch (type) {
537 case JOptionPane.ERROR_MESSAGE:
538 selectedBackgroundKey =
539 "OptionPane.errorDialog.titlePane.background";
540 selectedForegroundKey =
541 "OptionPane.errorDialog.titlePane.foreground";
542 selectedShadowKey = "OptionPane.errorDialog.titlePane.shadow";
543 closable = false;
544 break;
545 case JOptionPane.QUESTION_MESSAGE:
546 selectedBackgroundKey =
547 "OptionPane.questionDialog.titlePane.background";
548 selectedForegroundKey =
549 "OptionPane.questionDialog.titlePane.foreground";
550 selectedShadowKey =
551 "OptionPane.questionDialog.titlePane.shadow";
552 closable = false;
553 break;
554 case JOptionPane.WARNING_MESSAGE:
555 selectedBackgroundKey =
556 "OptionPane.warningDialog.titlePane.background";
557 selectedForegroundKey =
558 "OptionPane.warningDialog.titlePane.foreground";
559 selectedShadowKey = "OptionPane.warningDialog.titlePane.shadow";
560 closable = false;
561 break;
562 case JOptionPane.INFORMATION_MESSAGE:
563 case JOptionPane.PLAIN_MESSAGE:
564 selectedBackgroundKey = selectedForegroundKey = selectedShadowKey =
565 null;
566 closable = false;
567 break;
568 default:
569 selectedBackgroundKey = selectedForegroundKey = selectedShadowKey =
570 null;
571 break;
572 }
573 if (closable != frame.isClosable()) {
574 frame.setClosable(closable);
575 }
576 }
577 }