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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package javax.swing.plaf.synth;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyVetoException;
import sun.swing.SwingUtilities2;

The class that manages a synth title bar
Author:David Kloba, Joshua Outwater, Steve Wilson
/** * The class that manages a synth title bar * * @author David Kloba * @author Joshua Outwater * @author Steve Wilson */
@SuppressWarnings("serial") // Superclass is not serializable across versions class SynthInternalFrameTitlePane extends BasicInternalFrameTitlePane implements SynthUI, PropertyChangeListener { protected JPopupMenu systemPopupMenu; protected JButton menuButton; private SynthStyle style; private int titleSpacing; private int buttonSpacing; // Alignment for the title, one of SwingConstants.(LEADING|TRAILING|CENTER) private int titleAlignment; public SynthInternalFrameTitlePane(JInternalFrame f) { super(f); } public String getUIClassID() { return "InternalFrameTitlePaneUI"; } public SynthContext getContext(JComponent c) { return getContext(c, getComponentState(c)); } public SynthContext getContext(JComponent c, int state) { return SynthContext.getContext(c, style, state); } private Region getRegion(JComponent c) { return SynthLookAndFeel.getRegion(c); } private int getComponentState(JComponent c) { if (frame != null) { if (frame.isSelected()) { return SELECTED; } } return SynthLookAndFeel.getComponentState(c); } protected void addSubComponents() { menuButton.setName("InternalFrameTitlePane.menuButton"); iconButton.setName("InternalFrameTitlePane.iconifyButton"); maxButton.setName("InternalFrameTitlePane.maximizeButton"); closeButton.setName("InternalFrameTitlePane.closeButton"); add(menuButton); add(iconButton); add(maxButton); add(closeButton); } protected void installListeners() { super.installListeners(); frame.addPropertyChangeListener(this); addPropertyChangeListener(this); } protected void uninstallListeners() { frame.removePropertyChangeListener(this); removePropertyChangeListener(this); super.uninstallListeners(); } private void updateStyle(JComponent c) { SynthContext context = getContext(this, ENABLED); SynthStyle oldStyle = style; style = SynthLookAndFeel.updateStyle(context, this); if (style != oldStyle) { maxIcon = style.getIcon(context,"InternalFrameTitlePane.maximizeIcon"); minIcon = style.getIcon(context,"InternalFrameTitlePane.minimizeIcon"); iconIcon = style.getIcon(context,"InternalFrameTitlePane.iconifyIcon"); closeIcon = style.getIcon(context,"InternalFrameTitlePane.closeIcon"); titleSpacing = style.getInt(context, "InternalFrameTitlePane.titleSpacing", 2); buttonSpacing = style.getInt(context, "InternalFrameTitlePane.buttonSpacing", 2); String alignString = (String)style.get(context, "InternalFrameTitlePane.titleAlignment"); titleAlignment = SwingConstants.LEADING; if (alignString != null) { alignString = alignString.toUpperCase(); if (alignString.equals("TRAILING")) { titleAlignment = SwingConstants.TRAILING; } else if (alignString.equals("CENTER")) { titleAlignment = SwingConstants.CENTER; } } } } protected void installDefaults() { super.installDefaults(); updateStyle(this); } protected void uninstallDefaults() { SynthContext context = getContext(this, ENABLED); style.uninstallDefaults(context); style = null; JInternalFrame.JDesktopIcon di = frame.getDesktopIcon(); if(di != null && di.getComponentPopupMenu() == systemPopupMenu) { // Release link to systemMenu from the JInternalFrame di.setComponentPopupMenu(null); } super.uninstallDefaults(); } @SuppressWarnings("serial") // Superclass is not serializable across versions private static class JPopupMenuUIResource extends JPopupMenu implements UIResource { } protected void assembleSystemMenu() { systemPopupMenu = new JPopupMenuUIResource(); addSystemMenuItems(systemPopupMenu); enableActions(); menuButton = createNoFocusButton(); updateMenuIcon(); menuButton.addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e) { try { frame.setSelected(true); } catch(PropertyVetoException pve) { } showSystemMenu(); } }); JPopupMenu p = frame.getComponentPopupMenu(); if (p == null || p instanceof UIResource) { frame.setComponentPopupMenu(systemPopupMenu); } if (frame.getDesktopIcon() != null) { p = frame.getDesktopIcon().getComponentPopupMenu(); if (p == null || p instanceof UIResource) { frame.getDesktopIcon().setComponentPopupMenu(systemPopupMenu); } } setInheritsPopupMenu(true); } protected void addSystemMenuItems(JPopupMenu menu) { JMenuItem mi = menu.add(restoreAction); mi.setMnemonic(getButtonMnemonic("restore")); mi = menu.add(moveAction); mi.setMnemonic(getButtonMnemonic("move")); mi = menu.add(sizeAction); mi.setMnemonic(getButtonMnemonic("size")); mi = menu.add(iconifyAction); mi.setMnemonic(getButtonMnemonic("minimize")); mi = menu.add(maximizeAction); mi.setMnemonic(getButtonMnemonic("maximize")); menu.add(new JSeparator()); mi = menu.add(closeAction); mi.setMnemonic(getButtonMnemonic("close")); } private static int getButtonMnemonic(String button) { try { return Integer.parseInt(UIManager.getString( "InternalFrameTitlePane." + button + "Button.mnemonic")); } catch (NumberFormatException e) { return -1; } } protected void showSystemMenu() { Insets insets = frame.getInsets(); if (!frame.isIcon()) { systemPopupMenu.show(frame, menuButton.getX(), getY() + getHeight()); } else { systemPopupMenu.show(menuButton, getX() - insets.left - insets.right, getY() - systemPopupMenu.getPreferredSize().height - insets.bottom - insets.top); } } // SynthInternalFrameTitlePane has no UI, we'll invoke paint on it. public void paintComponent(Graphics g) { SynthContext context = getContext(this); SynthLookAndFeel.update(context, g); context.getPainter().paintInternalFrameTitlePaneBackground(context, g, 0, 0, getWidth(), getHeight()); paint(context, g); } protected void paint(SynthContext context, Graphics g) { String title = frame.getTitle(); if (title != null) { SynthStyle style = context.getStyle(); g.setColor(style.getColor(context, ColorType.TEXT_FOREGROUND)); g.setFont(style.getFont(context)); // Center text vertically. FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g); int baseline = (getHeight() + fm.getAscent() - fm.getLeading() - fm.getDescent()) / 2; JButton lastButton = null; if (frame.isIconifiable()) { lastButton = iconButton; } else if (frame.isMaximizable()) { lastButton = maxButton; } else if (frame.isClosable()) { lastButton = closeButton; } int maxX; int minX; boolean ltr = SynthLookAndFeel.isLeftToRight(frame); int titleAlignment = this.titleAlignment; if (ltr) { if (lastButton != null) { maxX = lastButton.getX() - titleSpacing; } else { maxX = frame.getWidth() - frame.getInsets().right - titleSpacing; } minX = menuButton.getX() + menuButton.getWidth() + titleSpacing; } else { if (lastButton != null) { minX = lastButton.getX() + lastButton.getWidth() + titleSpacing; } else { minX = frame.getInsets().left + titleSpacing; } maxX = menuButton.getX() - titleSpacing; if (titleAlignment == SwingConstants.LEADING) { titleAlignment = SwingConstants.TRAILING; } else if (titleAlignment == SwingConstants.TRAILING) { titleAlignment = SwingConstants.LEADING; } } String clippedTitle = getTitle(title, fm, maxX - minX); if (clippedTitle == title) { // String fit, align as necessary. if (titleAlignment == SwingConstants.TRAILING) { minX = maxX - style.getGraphicsUtils(context). computeStringWidth(context, g.getFont(), fm, title); } else if (titleAlignment == SwingConstants.CENTER) { int width = style.getGraphicsUtils(context). computeStringWidth(context, g.getFont(), fm, title); minX = Math.max(minX, (getWidth() - width) / 2); minX = Math.min(maxX - width, minX); } } style.getGraphicsUtils(context).paintText( context, g, clippedTitle, minX, baseline - fm.getAscent(), -1); } } public void paintBorder(SynthContext context, Graphics g, int x, int y, int w, int h) { context.getPainter().paintInternalFrameTitlePaneBorder(context, g, x, y, w, h); } protected LayoutManager createLayout() { SynthContext context = getContext(this); LayoutManager lm = (LayoutManager)style.get(context, "InternalFrameTitlePane.titlePaneLayout"); return (lm != null) ? lm : new SynthTitlePaneLayout(); } public void propertyChange(PropertyChangeEvent evt) { if (evt.getSource() == this) { if (SynthLookAndFeel.shouldUpdateStyle(evt)) { updateStyle(this); } } else { // Changes for the internal frame if (evt.getPropertyName() == JInternalFrame.FRAME_ICON_PROPERTY) { updateMenuIcon(); } } }
Resets the menuButton icon to match that of the frame.
/** * Resets the menuButton icon to match that of the frame. */
private void updateMenuIcon() { Icon frameIcon = frame.getFrameIcon(); SynthContext context = getContext(this); if (frameIcon != null) { Dimension maxSize = (Dimension)context.getStyle().get(context, "InternalFrameTitlePane.maxFrameIconSize"); int maxWidth = 16; int maxHeight = 16; if (maxSize != null) { maxWidth = maxSize.width; maxHeight = maxSize.height; } if ((frameIcon.getIconWidth() > maxWidth || frameIcon.getIconHeight() > maxHeight) && (frameIcon instanceof ImageIcon)) { frameIcon = new ImageIcon(((ImageIcon)frameIcon). getImage().getScaledInstance(maxWidth, maxHeight, Image.SCALE_SMOOTH)); } } menuButton.setIcon(frameIcon); } class SynthTitlePaneLayout implements 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) { SynthContext context = getContext( SynthInternalFrameTitlePane.this); int width = 0; int height = 0; int buttonCount = 0; Dimension pref; if (frame.isClosable()) { pref = closeButton.getPreferredSize(); width += pref.width; height = Math.max(pref.height, height); buttonCount++; } if (frame.isMaximizable()) { pref = maxButton.getPreferredSize(); width += pref.width; height = Math.max(pref.height, height); buttonCount++; } if (frame.isIconifiable()) { pref = iconButton.getPreferredSize(); width += pref.width; height = Math.max(pref.height, height); buttonCount++; } pref = menuButton.getPreferredSize(); width += pref.width; height = Math.max(pref.height, height); width += Math.max(0, (buttonCount - 1) * buttonSpacing); FontMetrics fm = SynthInternalFrameTitlePane.this.getFontMetrics( getFont()); SynthGraphicsUtils graphicsUtils = context.getStyle(). getGraphicsUtils(context); String frameTitle = frame.getTitle(); int title_w = frameTitle != null ? graphicsUtils. computeStringWidth(context, fm.getFont(), 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 = graphicsUtils.computeStringWidth(context, fm.getFont(), fm, frameTitle.substring(0, 3) + "..."); width += (title_w < subtitle_w) ? title_w : subtitle_w; } else { width += title_w; } height = Math.max(fm.getHeight() + 2, height); width += titleSpacing + titleSpacing; Insets insets = getInsets(); height += insets.top + insets.bottom; width += insets.left + insets.right; return new Dimension(width, height); } private int center(Component c, Insets insets, int x, boolean trailing) { Dimension pref = c.getPreferredSize(); if (trailing) { x -= pref.width; } c.setBounds(x, insets.top + (getHeight() - insets.top - insets.bottom - pref.height) / 2, pref.width, pref.height); if (pref.width > 0) { if (trailing) { return x - buttonSpacing; } return x + pref.width + buttonSpacing; } return x; } public void layoutContainer(Container c) { Insets insets = c.getInsets(); Dimension pref; if (SynthLookAndFeel.isLeftToRight(frame)) { center(menuButton, insets, insets.left, false); int x = getWidth() - insets.right; if (frame.isClosable()) { x = center(closeButton, insets, x, true); } if (frame.isMaximizable()) { x = center(maxButton, insets, x, true); } if (frame.isIconifiable()) { x = center(iconButton, insets, x, true); } } else { center(menuButton, insets, getWidth() - insets.right, true); int x = insets.left; if (frame.isClosable()) { x = center(closeButton, insets, x, false); } if (frame.isMaximizable()) { x = center(maxButton, insets, x, false); } if (frame.isIconifiable()) { x = center(iconButton, insets, x, false); } } } } private JButton createNoFocusButton() { JButton button = new JButton(); button.setFocusable(false); button.setMargin(new Insets(0,0,0,0)); return button; } }