Source Code Cross Referenced for SynthInternalFrameTitlePane.java in  » 6.0-JDK-Core » swing » javax » swing » plaf » synth » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Core » swing » javax.swing.plaf.synth 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001        /*
002         * Copyright 2002-2005 Sun Microsystems, Inc.  All Rights Reserved.
003         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004         *
005         * This code is free software; you can redistribute it and/or modify it
006         * under the terms of the GNU General Public License version 2 only, as
007         * published by the Free Software Foundation.  Sun designates this
008         * particular file as subject to the "Classpath" exception as provided
009         * by Sun in the LICENSE file that accompanied this code.
010         *
011         * This code is distributed in the hope that it will be useful, but WITHOUT
012         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013         * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014         * version 2 for more details (a copy is included in the LICENSE file that
015         * accompanied this code).
016         *
017         * You should have received a copy of the GNU General Public License version
018         * 2 along with this work; if not, write to the Free Software Foundation,
019         * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020         *
021         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022         * CA 95054 USA or visit www.sun.com if you need additional information or
023         * have any questions.
024         */
025
026        package javax.swing.plaf.synth;
027
028        import java.awt.*;
029        import java.awt.event.*;
030        import javax.swing.*;
031        import javax.swing.plaf.*;
032        import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
033        import javax.swing.border.*;
034        import javax.swing.event.InternalFrameEvent;
035        import java.util.EventListener;
036        import java.beans.PropertyChangeListener;
037        import java.beans.PropertyChangeEvent;
038        import java.beans.VetoableChangeListener;
039        import java.beans.PropertyVetoException;
040        import sun.swing.plaf.synth.SynthUI;
041        import sun.swing.SwingUtilities2;
042
043        /**
044         * The class that manages a synth title bar
045         *
046         * @version 1.33 05/05/07
047         * @author David Kloba
048         * @author Joshua Outwater
049         * @author Steve Wilson
050         */
051        class SynthInternalFrameTitlePane extends BasicInternalFrameTitlePane
052                implements  SynthUI, PropertyChangeListener {
053
054            protected JPopupMenu systemPopupMenu;
055            protected JButton menuButton;
056
057            private SynthStyle style;
058            private int titleSpacing;
059            private int buttonSpacing;
060            // Alignment for the title, one of SwingConstants.(LEADING|TRAILING|CENTER)
061            private int titleAlignment;
062
063            public SynthInternalFrameTitlePane(JInternalFrame f) {
064                super (f);
065            }
066
067            public String getUIClassID() {
068                return "InternalFrameTitlePaneUI";
069            }
070
071            public SynthContext getContext(JComponent c) {
072                return getContext(c, getComponentState(c));
073            }
074
075            public SynthContext getContext(JComponent c, int state) {
076                return SynthContext.getContext(SynthContext.class, c,
077                        SynthLookAndFeel.getRegion(c), style, state);
078            }
079
080            private Region getRegion(JComponent c) {
081                return SynthLookAndFeel.getRegion(c);
082            }
083
084            private int getComponentState(JComponent c) {
085                if (frame != null) {
086                    if (frame.isSelected()) {
087                        return SELECTED;
088                    }
089                }
090                return SynthLookAndFeel.getComponentState(c);
091            }
092
093            protected void addSubComponents() {
094                menuButton.setName("InternalFrameTitlePane.menuButton");
095                iconButton.setName("InternalFrameTitlePane.iconifyButton");
096                maxButton.setName("InternalFrameTitlePane.maximizeButton");
097                closeButton.setName("InternalFrameTitlePane.closeButton");
098
099                add(menuButton);
100                add(iconButton);
101                add(maxButton);
102                add(closeButton);
103            }
104
105            protected void installListeners() {
106                super .installListeners();
107                frame.addPropertyChangeListener(this );
108                addPropertyChangeListener(this );
109            }
110
111            protected void uninstallListeners() {
112                frame.removePropertyChangeListener(this );
113                removePropertyChangeListener(this );
114                super .uninstallListeners();
115            }
116
117            private void updateStyle(JComponent c) {
118                SynthContext context = getContext(this , ENABLED);
119                SynthStyle oldStyle = style;
120                style = SynthLookAndFeel.updateStyle(context, this );
121                if (style != oldStyle) {
122                    maxIcon = style.getIcon(context,
123                            "InternalFrameTitlePane.maximizeIcon");
124                    minIcon = style.getIcon(context,
125                            "InternalFrameTitlePane.minimizeIcon");
126                    iconIcon = style.getIcon(context,
127                            "InternalFrameTitlePane.iconifyIcon");
128                    closeIcon = style.getIcon(context,
129                            "InternalFrameTitlePane.closeIcon");
130                    titleSpacing = style.getInt(context,
131                            "InternalFrameTitlePane.titleSpacing", 2);
132                    buttonSpacing = style.getInt(context,
133                            "InternalFrameTitlePane.buttonSpacing", 2);
134                    String alignString = (String) style.get(context,
135                            "InternalFrameTitlePane.titleAlignment");
136                    titleAlignment = SwingConstants.LEADING;
137                    if (alignString != null) {
138                        alignString = alignString.toUpperCase();
139                        if (alignString.equals("TRAILING")) {
140                            titleAlignment = SwingConstants.TRAILING;
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
168                    implements  UIResource {
169            }
170
171            protected void assembleSystemMenu() {
172                systemPopupMenu = new JPopupMenuUIResource();
173                addSystemMenuItems(systemPopupMenu);
174                enableActions();
175                menuButton = createNoFocusButton();
176                updateMenuIcon();
177                menuButton.addMouseListener(new MouseAdapter() {
178                    public void mousePressed(MouseEvent e) {
179                        try {
180                            frame.setSelected(true);
181                        } catch (PropertyVetoException pve) {
182                        }
183                        showSystemMenu();
184                    }
185                });
186                JPopupMenu p = frame.getComponentPopupMenu();
187                if (p == null || p instanceof  UIResource) {
188                    frame.setComponentPopupMenu(systemPopupMenu);
189                }
190                if (frame.getDesktopIcon() != null) {
191                    p = frame.getDesktopIcon().getComponentPopupMenu();
192                    if (p == null || p instanceof  UIResource) {
193                        frame.getDesktopIcon().setComponentPopupMenu(
194                                systemPopupMenu);
195                    }
196                }
197                setInheritsPopupMenu(true);
198            }
199
200            protected void addSystemMenuItems(JPopupMenu menu) {
201                // PENDING: this should all be localizable!
202                JMenuItem mi = (JMenuItem) menu.add(restoreAction);
203                mi.setMnemonic('R');
204                mi = (JMenuItem) menu.add(moveAction);
205                mi.setMnemonic('M');
206                mi = (JMenuItem) menu.add(sizeAction);
207                mi.setMnemonic('S');
208                mi = (JMenuItem) menu.add(iconifyAction);
209                mi.setMnemonic('n');
210                mi = (JMenuItem) menu.add(maximizeAction);
211                mi.setMnemonic('x');
212                menu.add(new JSeparator());
213                mi = (JMenuItem) menu.add(closeAction);
214                mi.setMnemonic('C');
215            }
216
217            protected void showSystemMenu() {
218                Insets insets = frame.getInsets();
219                if (!frame.isIcon()) {
220                    systemPopupMenu.show(frame, insets.left, getY()
221                            + getHeight());
222                } else {
223                    systemPopupMenu.show(menuButton, getX() - insets.left
224                            - insets.right, getY()
225                            - systemPopupMenu.getPreferredSize().height
226                            - insets.bottom - insets.top);
227                }
228            }
229
230            // SynthInternalFrameTitlePane has no UI, we'll invoke paint on it.
231            public void paintComponent(Graphics g) {
232                SynthContext context = getContext(this );
233                SynthLookAndFeel.update(context, g);
234                context.getPainter().paintInternalFrameTitlePaneBackground(
235                        context, g, 0, 0, getWidth(), getHeight());
236                paint(context, g);
237                context.dispose();
238            }
239
240            protected void paint(SynthContext context, Graphics g) {
241                String title = frame.getTitle();
242
243                if (title != null) {
244                    SynthStyle style = context.getStyle();
245
246                    g.setColor(style.getColor(context,
247                            ColorType.TEXT_FOREGROUND));
248                    g.setFont(style.getFont(context));
249
250                    // Center text vertically.
251                    FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g);
252                    int baseline = (getHeight() + fm.getAscent()
253                            - fm.getLeading() - fm.getDescent()) / 2;
254                    JButton lastButton = null;
255                    if (frame.isIconifiable()) {
256                        lastButton = iconButton;
257                    } else if (frame.isMaximizable()) {
258                        lastButton = maxButton;
259                    } else if (frame.isClosable()) {
260                        lastButton = closeButton;
261                    }
262                    int maxX;
263                    int minX;
264                    boolean ltr = SynthLookAndFeel.isLeftToRight(frame);
265                    int titleAlignment = this .titleAlignment;
266                    if (ltr) {
267                        if (lastButton != null) {
268                            maxX = lastButton.getX() - titleSpacing;
269                        } else {
270                            maxX = frame.getWidth() - frame.getInsets().right
271                                    - titleSpacing;
272                        }
273                        minX = menuButton.getX() + menuButton.getWidth()
274                                + titleSpacing;
275                    } else {
276                        if (lastButton != null) {
277                            minX = lastButton.getX() + lastButton.getWidth()
278                                    + titleSpacing;
279                        } else {
280                            minX = frame.getInsets().left + titleSpacing;
281                        }
282                        maxX = menuButton.getX() - titleSpacing;
283                        if (titleAlignment == SwingConstants.LEADING) {
284                            titleAlignment = SwingConstants.TRAILING;
285                        } else if (titleAlignment == SwingConstants.TRAILING) {
286                            titleAlignment = SwingConstants.LEADING;
287                        }
288                    }
289                    String clippedTitle = getTitle(title, fm, maxX - minX);
290                    if (clippedTitle == title) {
291                        // String fit, align as necessary.
292                        if (titleAlignment == SwingConstants.TRAILING) {
293                            minX = maxX
294                                    - style.getGraphicsUtils(context)
295                                            .computeStringWidth(context,
296                                                    g.getFont(), fm, title);
297                        } else if (titleAlignment == SwingConstants.CENTER) {
298                            int width = style.getGraphicsUtils(context)
299                                    .computeStringWidth(context, g.getFont(),
300                                            fm, title);
301                            minX = Math.max(minX, (getWidth() - width) / 2);
302                            minX = Math.min(maxX - width, minX);
303                        }
304                    }
305                    style.getGraphicsUtils(context).paintText(context, g,
306                            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 = (LayoutManager) style.get(context,
319                        "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                } else {
330                    // Changes for the internal frame
331                    if (evt.getPropertyName() == JInternalFrame.FRAME_ICON_PROPERTY) {
332                        updateMenuIcon();
333                    }
334                }
335            }
336
337            /**
338             * Resets the menuButton icon to match that of the frame.
339             */
340            private void updateMenuIcon() {
341                Icon frameIcon = frame.getFrameIcon();
342                SynthContext context = getContext(this );
343                if (frameIcon != null) {
344                    Dimension maxSize = (Dimension) context.getStyle().get(
345                            context, "InternalFrameTitlePane.maxFrameIconSize");
346                    int maxWidth = 16;
347                    int maxHeight = 16;
348                    if (maxSize != null) {
349                        maxWidth = maxSize.width;
350                        maxHeight = maxSize.height;
351                    }
352                    if ((frameIcon.getIconWidth() > maxWidth || frameIcon
353                            .getIconHeight() > maxHeight)
354                            && (frameIcon instanceof  ImageIcon)) {
355                        frameIcon = new ImageIcon(((ImageIcon) frameIcon)
356                                .getImage().getScaledInstance(maxWidth,
357                                        maxHeight, Image.SCALE_SMOOTH));
358                    }
359                }
360                context.dispose();
361                menuButton.setIcon(frameIcon);
362            }
363
364            class SynthTitlePaneLayout implements  LayoutManager {
365                public void addLayoutComponent(String name, Component c) {
366                }
367
368                public void removeLayoutComponent(Component c) {
369                }
370
371                public Dimension preferredLayoutSize(Container c) {
372                    return minimumLayoutSize(c);
373                }
374
375                public Dimension minimumLayoutSize(Container c) {
376                    SynthContext context = getContext(SynthInternalFrameTitlePane.this );
377                    int width = 0;
378                    int height = 0;
379
380                    int buttonCount = 0;
381                    Dimension pref;
382
383                    if (frame.isClosable()) {
384                        pref = closeButton.getPreferredSize();
385                        width += pref.width;
386                        height = Math.max(pref.height, height);
387                        buttonCount++;
388                    }
389                    if (frame.isMaximizable()) {
390                        pref = maxButton.getPreferredSize();
391                        width += pref.width;
392                        height = Math.max(pref.height, height);
393                        buttonCount++;
394                    }
395                    if (frame.isIconifiable()) {
396                        pref = iconButton.getPreferredSize();
397                        width += pref.width;
398                        height = Math.max(pref.height, height);
399                        buttonCount++;
400                    }
401                    pref = menuButton.getPreferredSize();
402                    width += pref.width;
403                    height = Math.max(pref.height, height);
404
405                    width += Math.max(0, (buttonCount - 1) * buttonSpacing);
406
407                    FontMetrics fm = SynthInternalFrameTitlePane.this 
408                            .getFontMetrics(getFont());
409                    SynthGraphicsUtils graphicsUtils = context.getStyle()
410                            .getGraphicsUtils(context);
411                    String frameTitle = frame.getTitle();
412                    int title_w = frameTitle != null ? graphicsUtils
413                            .computeStringWidth(context, fm.getFont(), fm,
414                                    frameTitle) : 0;
415                    int title_length = frameTitle != null ? frameTitle.length()
416                            : 0;
417
418                    // Leave room for three characters in the title.
419                    if (title_length > 3) {
420                        int subtitle_w = graphicsUtils.computeStringWidth(
421                                context, fm.getFont(), fm, frameTitle
422                                        .substring(0, 3)
423                                        + "...");
424                        width += (title_w < subtitle_w) ? title_w : subtitle_w;
425                    } else {
426                        width += title_w;
427                    }
428
429                    height = Math.max(fm.getHeight() + 2, height);
430
431                    width += titleSpacing + titleSpacing;
432
433                    Insets insets = getInsets();
434                    height += insets.top + insets.bottom;
435                    width += insets.left + insets.right;
436                    context.dispose();
437                    return new Dimension(width, height);
438                }
439
440                private int center(Component c, Insets insets, int x,
441                        boolean trailing) {
442                    Dimension pref = c.getPreferredSize();
443                    if (trailing) {
444                        x -= pref.width;
445                    }
446                    c
447                            .setBounds(
448                                    x,
449                                    insets.top
450                                            + (getHeight() - insets.top
451                                                    - insets.bottom - pref.height)
452                                            / 2, pref.width, pref.height);
453                    if (pref.width > 0) {
454                        if (trailing) {
455                            return x - buttonSpacing;
456                        }
457                        return x + pref.width + buttonSpacing;
458                    }
459                    return x;
460                }
461
462                public void layoutContainer(Container c) {
463                    Insets insets = c.getInsets();
464                    Dimension pref;
465
466                    if (SynthLookAndFeel.isLeftToRight(frame)) {
467                        center(menuButton, insets, insets.left, false);
468                        int x = getWidth() - insets.right;
469                        if (frame.isClosable()) {
470                            x = center(closeButton, insets, x, true);
471                        }
472                        if (frame.isMaximizable()) {
473                            x = center(maxButton, insets, x, true);
474                        }
475                        if (frame.isIconifiable()) {
476                            x = center(iconButton, insets, x, true);
477                        }
478                    } else {
479                        center(menuButton, insets, getWidth() - insets.right,
480                                true);
481                        int x = insets.left;
482                        if (frame.isClosable()) {
483                            x = center(closeButton, insets, x, false);
484                        }
485                        if (frame.isMaximizable()) {
486                            x = center(maxButton, insets, x, false);
487                        }
488                        if (frame.isIconifiable()) {
489                            x = center(iconButton, insets, x, false);
490                        }
491                    }
492                }
493            }
494
495            private JButton createNoFocusButton() {
496                JButton button = new JButton();
497                button.setFocusable(false);
498                button.setMargin(new Insets(0, 0, 0, 0));
499                return button;
500            }
501        }
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