/* * 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 *

* Warning: * 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 JavaBeansTM * has been added to the java.beans 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) { // SystemMenuBar forces the icon to be 16x16 or less. iconHeight = Math.min(icon.getIconHeight(), 16); } iconHeight += 2; int height = Math.max( fontHeight, iconHeight ); Dimension dim = new Dimension(width, height); // Take into account the border insets if any. if (getBorder() != null) { Insets insets = getBorder().getBorderInsets(c); dim.height += insets.top + insets.bottom; dim.width += insets.left + insets.right; } return dim; } public void layoutContainer(Container c) { boolean leftToRight = BasicGraphicsUtils.isLeftToRight(frame); int w = getWidth(); int h = getHeight(); int x; int buttonHeight = closeButton.getIcon().getIconHeight(); Icon icon = frame.getFrameIcon(); int iconHeight = 0; if (icon != null) { iconHeight = icon.getIconHeight(); } x = (leftToRight) ? 2 : w - 16 - 2; menuBar.setBounds(x, (h - iconHeight) / 2, 16, 16); x = (leftToRight) ? w - 16 - 2 : 2; if (frame.isClosable()) { closeButton.setBounds(x, (h - buttonHeight) / 2, 16, 14); x += (leftToRight) ? -(16 + 2) : 16 + 2; } if (frame.isMaximizable()) { maxButton.setBounds(x, (h - buttonHeight) / 2, 16, 14); x += (leftToRight) ? -(16 + 2) : 16 + 2; } if (frame.isIconifiable()) { iconButton.setBounds(x, (h - buttonHeight) / 2, 16, 14); } } } /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class PropertyChangeHandler implements PropertyChangeListener { // NOTE: This class exists only for backward compatability. All // its functionality has been moved into Handler. If you need to add // new functionality add it to the Handler, but make sure this // class calls into the Handler. public void propertyChange(PropertyChangeEvent evt) { getHandler().propertyChange(evt); } } /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class TitlePaneLayout implements LayoutManager { // NOTE: This class exists only for backward compatability. All // its functionality has been moved into Handler. If you need to add // new functionality add it to the Handler, but make sure this // class calls into the Handler. public void addLayoutComponent(String name, Component c) { getHandler().addLayoutComponent(name, c); } public void removeLayoutComponent(Component c) { getHandler().removeLayoutComponent(c); } public Dimension preferredLayoutSize(Container c) { return getHandler().preferredLayoutSize(c); } public Dimension minimumLayoutSize(Container c) { return getHandler().minimumLayoutSize(c); } public void layoutContainer(Container c) { getHandler().layoutContainer(c); } } /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class CloseAction extends AbstractAction { public CloseAction() { super(UIManager.getString( "InternalFrameTitlePane.closeButtonText")); } public void actionPerformed(ActionEvent e) { if(frame.isClosable()) { frame.doDefaultCloseAction(); } } } // end CloseAction /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class MaximizeAction extends AbstractAction { public MaximizeAction() { super(UIManager.getString( "InternalFrameTitlePane.maximizeButtonText")); } public void actionPerformed(ActionEvent evt) { if (frame.isMaximizable()) { if (frame.isMaximum() && frame.isIcon()) { try { frame.setIcon(false); } catch (PropertyVetoException e) { } } else if (!frame.isMaximum()) { try { frame.setMaximum(true); } catch (PropertyVetoException e) { } } else { try { frame.setMaximum(false); } catch (PropertyVetoException e) { } } } } } /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class IconifyAction extends AbstractAction { public IconifyAction() { super(UIManager.getString( "InternalFrameTitlePane.minimizeButtonText")); } public void actionPerformed(ActionEvent e) { if(frame.isIconifiable()) { if(!frame.isIcon()) { try { frame.setIcon(true); } catch (PropertyVetoException e1) { } } else{ try { frame.setIcon(false); } catch (PropertyVetoException e1) { } } } } } // end IconifyAction /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class RestoreAction extends AbstractAction { public RestoreAction() { super(UIManager.getString( "InternalFrameTitlePane.restoreButtonText")); } public void actionPerformed(ActionEvent evt) { if (frame.isMaximizable() && frame.isMaximum() && frame.isIcon()) { try { frame.setIcon(false); } catch (PropertyVetoException e) { } } else if (frame.isMaximizable() && frame.isMaximum()) { try { frame.setMaximum(false); } catch (PropertyVetoException e) { } } else if (frame.isIconifiable() && frame.isIcon()) { try { frame.setIcon(false); } catch (PropertyVetoException e) { } } } } /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class MoveAction extends AbstractAction { public MoveAction() { super(UIManager.getString( "InternalFrameTitlePane.moveButtonText")); } public void actionPerformed(ActionEvent e) { // This action is currently undefined } } // end MoveAction /* * Handles showing and hiding the system menu. */ private class ShowSystemMenuAction extends AbstractAction { private boolean show; // whether to show the menu public ShowSystemMenuAction(boolean show) { this.show = show; } public void actionPerformed(ActionEvent e) { if (show) { windowMenu.doClick(); } else { windowMenu.setVisible(false); } } } /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class SizeAction extends AbstractAction { public SizeAction() { super(UIManager.getString( "InternalFrameTitlePane.sizeButtonText")); } public void actionPerformed(ActionEvent e) { // This action is currently undefined } } // end SizeAction /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of . */ public class SystemMenuBar extends JMenuBar { public boolean isFocusTraversable() { return false; } public void requestFocus() {} public void paint(Graphics g) { Icon icon = frame.getFrameIcon(); if (icon == null) { icon = (Icon)DefaultLookup.get(frame, frame.getUI(), "InternalFrame.icon"); } if (icon != null) { // Resize to 16x16 if necessary. if (icon instanceof ImageIcon && (icon.getIconWidth() > 16 || icon.getIconHeight() > 16)) { Image img = ((ImageIcon)icon).getImage(); ((ImageIcon)icon).setImage(img.getScaledInstance(16, 16, Image.SCALE_SMOOTH)); } icon.paintIcon(this, g, 0, 0); } } public boolean isOpaque() { return true; } } // end SystemMenuBar private class NoFocusButton extends JButton { private String uiKey; public NoFocusButton(String uiKey, String opacityKey) { setFocusPainted(false); setMargin(new Insets(0,0,0,0)); this.uiKey = uiKey; Object opacity = UIManager.get(opacityKey); if (opacity instanceof Boolean) { setOpaque(((Boolean)opacity).booleanValue()); } } public boolean isFocusTraversable() { return false; } public void requestFocus() {} public AccessibleContext getAccessibleContext() { AccessibleContext ac = super.getAccessibleContext(); if (uiKey != null) { ac.setAccessibleName(UIManager.getString(uiKey)); uiKey = null; } return ac; } } // end NoFocusButton } // End Title Pane Class