/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing.plaf.basic; import sun.swing.SwingUtilities2;import java.awt.*;import java.awt.event.*;import javax.accessibility.AccessibleContext;import javax.swing.*;import javax.swing.plaf.*;import javax.swing.border.*;import javax.swing.event.InternalFrameEvent;import java.util.EventListener;import java.beans.PropertyChangeListener;import java.beans.PropertyChangeEvent;import java.beans.VetoableChangeListener;import java.beans.PropertyVetoException; import sun.swing.DefaultLookup;import sun.swing.UIAction; /** * The class that manages a basic title bar * <p> * <strong>Warning:</strong> * Serialized objects of this class will not be compatible with * future Swing releases. The current serialization support is * appropriate for short term storage or RMI between applications running * the same version of Swing.  As of 1.4, support for long term storage * of all JavaBeans<sup><font size="-2">TM</font></sup> * has been added to the <code>java.beans</code> package. * Please see {@link java.beans.XMLEncoder}. * * @author David Kloba * @author Steve Wilson */public class BasicInternalFrameTitlePane extends JComponent{    protected JMenuBar menuBar;    protected JButton iconButton;    protected JButton maxButton;    protected JButton closeButton;     protected JMenu windowMenu;    protected JInternalFrame frame;     protected Color selectedTitleColor;    protected Color selectedTextColor;    protected Color notSelectedTitleColor;    protected Color notSelectedTextColor;     protected Icon maxIcon;    protected Icon minIcon;    protected Icon iconIcon;    protected Icon closeIcon;     protected PropertyChangeListener propertyChangeListener;     protected Action closeAction;    protected Action maximizeAction;    protected Action iconifyAction;    protected Action restoreAction;    protected Action moveAction;    protected Action sizeAction;     // These constants are not used in JDK code    protected static final String CLOSE_CMD =        UIManager.getString("InternalFrameTitlePane.closeButtonText");    protected static final String ICONIFY_CMD =        UIManager.getString("InternalFrameTitlePane.minimizeButtonText");    protected static final String RESTORE_CMD =        UIManager.getString("InternalFrameTitlePane.restoreButtonText");    protected static final String MAXIMIZE_CMD =        UIManager.getString("InternalFrameTitlePane.maximizeButtonText");    protected static final String MOVE_CMD =        UIManager.getString("InternalFrameTitlePane.moveButtonText");    protected static final String SIZE_CMD =        UIManager.getString("InternalFrameTitlePane.sizeButtonText");     private String closeButtonToolTip;    private String iconButtonToolTip;    private String restoreButtonToolTip;    private String maxButtonToolTip;    private Handler handler;     public BasicInternalFrameTitlePane(JInternalFrame f) {        frame = f;        installTitlePane();    }     protected void installTitlePane() {        installDefaults();        installListeners();         createActions();        enableActions();        createActionMap();         setLayout(createLayout());         assembleSystemMenu();        createButtons();        addSubComponents();     }     protected void addSubComponents() {        add(menuBar);        add(iconButton);        add(maxButton);        add(closeButton);    }     protected void createActions() {        maximizeAction = new MaximizeAction();        iconifyAction = new IconifyAction();        closeAction = new CloseAction();        restoreAction = new RestoreAction();        moveAction = new MoveAction();        sizeAction = new SizeAction();    }     ActionMap createActionMap() {        ActionMap map = new ActionMapUIResource();        map.put("showSystemMenu", new ShowSystemMenuAction(true));        map.put("hideSystemMenu", new ShowSystemMenuAction(false));        return map;    }     protected void installListeners() {        if( propertyChangeListener == null ) {            propertyChangeListener = createPropertyChangeListener();        }        frame.addPropertyChangeListener(propertyChangeListener);    }     protected void uninstallListeners() {        frame.removePropertyChangeListener(propertyChangeListener);        handler = null;    }     protected void installDefaults() {        maxIcon = UIManager.getIcon("InternalFrame.maximizeIcon");        minIcon = UIManager.getIcon("InternalFrame.minimizeIcon");        iconIcon = UIManager.getIcon("InternalFrame.iconifyIcon");        closeIcon = UIManager.getIcon("InternalFrame.closeIcon");         selectedTitleColor = UIManager.getColor("InternalFrame.activeTitleBackground");        selectedTextColor = UIManager.getColor("InternalFrame.activeTitleForeground");        notSelectedTitleColor = UIManager.getColor("InternalFrame.inactiveTitleBackground");        notSelectedTextColor = UIManager.getColor("InternalFrame.inactiveTitleForeground");        setFont(UIManager.getFont("InternalFrame.titleFont"));        closeButtonToolTip =                UIManager.getString("InternalFrame.closeButtonToolTip");        iconButtonToolTip =                UIManager.getString("InternalFrame.iconButtonToolTip");        restoreButtonToolTip =                UIManager.getString("InternalFrame.restoreButtonToolTip");        maxButtonToolTip =                UIManager.getString("InternalFrame.maxButtonToolTip");    }      protected void uninstallDefaults() {    }     protected void createButtons() {        iconButton = new NoFocusButton(                     "InternalFrameTitlePane.iconifyButtonAccessibleName",                     "InternalFrameTitlePane.iconifyButtonOpacity");        iconButton.addActionListener(iconifyAction);        if (iconButtonToolTip != null && iconButtonToolTip.length() != 0) {            iconButton.setToolTipText(iconButtonToolTip);        }         maxButton = new NoFocusButton(                        "InternalFrameTitlePane.maximizeButtonAccessibleName",                        "InternalFrameTitlePane.maximizeButtonOpacity");        maxButton.addActionListener(maximizeAction);         closeButton = new NoFocusButton(                      "InternalFrameTitlePane.closeButtonAccessibleName",                      "InternalFrameTitlePane.closeButtonOpacity");        closeButton.addActionListener(closeAction);        if (closeButtonToolTip != null && closeButtonToolTip.length() != 0) {            closeButton.setToolTipText(closeButtonToolTip);        }         setButtonIcons();    }     protected void setButtonIcons() {        if(frame.isIcon()) {            if (minIcon != null) {                iconButton.setIcon(minIcon);            }            if (restoreButtonToolTip != null &&                    restoreButtonToolTip.length() != 0) {                iconButton.setToolTipText(restoreButtonToolTip);            }            if (maxIcon != null) {                maxButton.setIcon(maxIcon);            }            if (maxButtonToolTip != null && maxButtonToolTip.length() != 0) {                maxButton.setToolTipText(maxButtonToolTip);            }        } else if (frame.isMaximum()) {            if (iconIcon != null) {                iconButton.setIcon(iconIcon);            }            if (iconButtonToolTip != null && iconButtonToolTip.length() != 0) {                iconButton.setToolTipText(iconButtonToolTip);            }            if (minIcon != null) {                maxButton.setIcon(minIcon);            }            if (restoreButtonToolTip != null &&                    restoreButtonToolTip.length() != 0) {                maxButton.setToolTipText(restoreButtonToolTip);            }        } else {            if (iconIcon != null) {                iconButton.setIcon(iconIcon);            }            if (iconButtonToolTip != null && iconButtonToolTip.length() != 0) {                iconButton.setToolTipText(iconButtonToolTip);            }            if (maxIcon != null) {                maxButton.setIcon(maxIcon);            }            if (maxButtonToolTip != null && maxButtonToolTip.length() != 0) {                maxButton.setToolTipText(maxButtonToolTip);            }        }        if (closeIcon != null) {            closeButton.setIcon(closeIcon);        }    }     protected void assembleSystemMenu() {        menuBar = createSystemMenuBar();        windowMenu = createSystemMenu();        menuBar.add(windowMenu);        addSystemMenuItems(windowMenu);        enableActions();    }     protected void addSystemMenuItems(JMenu systemMenu) {        JMenuItem mi = systemMenu.add(restoreAction);        mi.setMnemonic('R');        mi = systemMenu.add(moveAction);        mi.setMnemonic('M');        mi = systemMenu.add(sizeAction);        mi.setMnemonic('S');        mi = systemMenu.add(iconifyAction);        mi.setMnemonic('n');        mi = systemMenu.add(maximizeAction);        mi.setMnemonic('x');        systemMenu.add(new JSeparator());        mi = systemMenu.add(closeAction);        mi.setMnemonic('C');    }     protected JMenu createSystemMenu() {        return new JMenu("    ");    }     protected JMenuBar createSystemMenuBar() {        menuBar = new SystemMenuBar();        menuBar.setBorderPainted(false);        return menuBar;    }     protected void showSystemMenu(){        //      windowMenu.setPopupMenuVisible(true);      //      windowMenu.setVisible(true);      windowMenu.doClick();    }     public void paintComponent(Graphics g)  {        paintTitleBackground(g);         if(frame.getTitle() != null) {            boolean isSelected = frame.isSelected();            Font f = g.getFont();            g.setFont(getFont());            if(isSelected)                g.setColor(selectedTextColor);            else                g.setColor(notSelectedTextColor);             // Center text vertically.            FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g);            int baseline = (getHeight() + fm.getAscent() - fm.getLeading() -                    fm.getDescent()) / 2;             int titleX;            Rectangle r = new Rectangle(0, 0, 0, 0);            if (frame.isIconifiable())  r = iconButton.getBounds();            else if (frame.isMaximizable())  r = maxButton.getBounds();            else if (frame.isClosable())  r = closeButton.getBounds();            int titleW;             String title = frame.getTitle();            if( BasicGraphicsUtils.isLeftToRight(frame) ) {              if (r.x == 0)  r.x = frame.getWidth()-frame.getInsets().right;              titleX = menuBar.getX() + menuBar.getWidth() + 2;              titleW = r.x - titleX - 3;              title = getTitle(frame.getTitle(), fm, titleW);            } else {                titleX = menuBar.getX() - 2                         - SwingUtilities2.stringWidth(frame,fm,title);            }             SwingUtilities2.drawString(frame, g, title, titleX, baseline);            g.setFont(f);        }    }    /**    * Invoked from paintComponent.    * Paints the background of the titlepane.  All text and icons will    * then be rendered on top of this background.    * @param g the graphics to use to render the background    * @since 1.4    */    protected void paintTitleBackground(Graphics g) {        boolean isSelected = frame.isSelected();         if(isSelected)            g.setColor(selectedTitleColor);        else            g.setColor(notSelectedTitleColor);        g.fillRect(0, 0, getWidth(), getHeight());    }     protected String getTitle(String text, FontMetrics fm, int availTextWidth) {        return SwingUtilities2.clipStringIfNecessary(                           frame, fm, text, availTextWidth);      }     /**     * Post a WINDOW_CLOSING-like event to the frame, so that it can     * be treated like a regular Frame.     */    protected void postClosingEvent(JInternalFrame frame) {        InternalFrameEvent e = new InternalFrameEvent(            frame, InternalFrameEvent.INTERNAL_FRAME_CLOSING);        // Try posting event, unless there's a SecurityManager.        if (JInternalFrame.class.getClassLoader() == null) {            try {                Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(e);                return;            } catch (SecurityException se) {                // Use dispatchEvent instead.            }        }        frame.dispatchEvent(e);    }      protected void enableActions() {        restoreAction.setEnabled(frame.isMaximum() || frame.isIcon());        maximizeAction.setEnabled(            (frame.isMaximizable() && !frame.isMaximum() && !frame.isIcon()) ||            (frame.isMaximizable() && frame.isIcon()));        iconifyAction.setEnabled(frame.isIconifiable() && !frame.isIcon());        closeAction.setEnabled(frame.isClosable());        sizeAction.setEnabled(false);        moveAction.setEnabled(false);    }     private Handler getHandler() {        if (handler == null) {            handler = new Handler();        }        return handler;    }     protected PropertyChangeListener createPropertyChangeListener() {        return getHandler();    }     protected LayoutManager createLayout() {        return getHandler();    }      private class Handler implements LayoutManager, PropertyChangeListener {        //        // PropertyChangeListener        //        public void propertyChange(PropertyChangeEvent evt) {            String prop = evt.getPropertyName();             if (prop == JInternalFrame.IS_SELECTED_PROPERTY) {                repaint();                return;            }             if (prop == JInternalFrame.IS_ICON_PROPERTY ||                    prop == JInternalFrame.IS_MAXIMUM_PROPERTY) {                setButtonIcons();                enableActions();                return;            }             if ("closable" == prop) {                if (evt.getNewValue() == Boolean.TRUE) {                    add(closeButton);                } else {                    remove(closeButton);                }            } else if ("maximizable" == prop) {                if (evt.getNewValue() == Boolean.TRUE) {                    add(maxButton);                } else {                    remove(maxButton);                }            } else if ("iconable" == prop) {                if (evt.getNewValue() == Boolean.TRUE) {                    add(iconButton);                } else {                    remove(iconButton);                }            }            enableActions();             revalidate();            repaint();        }          //        // LayoutManager        //        public void addLayoutComponent(String name, Component c) {}        public void removeLayoutComponent(Component c) {}        public Dimension preferredLayoutSize(Container c) {            return minimumLayoutSize(c);        }         public Dimension minimumLayoutSize(Container c) {            // Calculate width.            int width = 22;             if (frame.isClosable()) {                width += 19;            }            if (frame.isMaximizable()) {                width += 19;            }            if (frame.isIconifiable()) {                width += 19;            }             FontMetrics fm = frame.getFontMetrics(getFont());            String frameTitle = frame.getTitle();            int title_w = frameTitle != null ? SwingUtilities2.stringWidth(                               frame, fm, frameTitle) : 0;            int title_length = frameTitle != null ? frameTitle.length() : 0;             // Leave room for three characters in the title.            if (title_length > 3) {                int subtitle_w = SwingUtilities2.stringWidth(                    frame, fm, frameTitle.substring(0, 3) + "...");                width += (title_w < subtitle_w) ? title_w : subtitle_w;            } else {                width += title_w;            }             // Calculate height.            Icon icon = frame.getFrameIcon();            int fontHeight = fm.getHeight();            fontHeight += 2;            int iconHeight = 0;            if (icon != null) {

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