diff options
Diffstat (limited to 'libjava/classpath/javax/swing/plaf/metal/MetalInternalFrameTitlePane.java')
| -rw-r--r-- | libjava/classpath/javax/swing/plaf/metal/MetalInternalFrameTitlePane.java | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/plaf/metal/MetalInternalFrameTitlePane.java b/libjava/classpath/javax/swing/plaf/metal/MetalInternalFrameTitlePane.java new file mode 100644 index 000000000..08de77446 --- /dev/null +++ b/libjava/classpath/javax/swing/plaf/metal/MetalInternalFrameTitlePane.java @@ -0,0 +1,457 @@ +/* MetalInternalFrameTitlePane.java + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.swing.plaf.metal; + +import java.awt.Color; +import java.awt.Component; +import java.awt.Container; +import java.awt.Dimension; +import java.awt.Graphics; +import java.awt.Insets; +import java.awt.LayoutManager; +import java.awt.Rectangle; +import java.beans.PropertyChangeEvent; +import java.beans.PropertyChangeListener; + +import javax.swing.Icon; +import javax.swing.JInternalFrame; +import javax.swing.JLabel; +import javax.swing.JMenu; +import javax.swing.SwingConstants; +import javax.swing.SwingUtilities; +import javax.swing.UIManager; +import javax.swing.plaf.basic.BasicInternalFrameTitlePane; + + +/** + * The title pane for a {@link JInternalFrame} (see + * {@link MetalInternalFrameUI#createNorthPane(JInternalFrame)}). This can + * be displayed in two styles: one for regular internal frames, and the other + * for "palette" style internal frames. + */ +public class MetalInternalFrameTitlePane extends BasicInternalFrameTitlePane +{ + + /** + * A property change handler that listens for changes to the + * <code>JInternalFrame.isPalette</code> property and updates the title + * pane as appropriate. + */ + class MetalInternalFrameTitlePanePropertyChangeHandler + extends PropertyChangeHandler + { + /** + * Creates a new handler. + */ + public MetalInternalFrameTitlePanePropertyChangeHandler() + { + super(); + } + + /** + * Handles <code>JInternalFrame.isPalette</code> property changes, with all + * other property changes being passed to the superclass. + * + * @param e the event. + */ + public void propertyChange(PropertyChangeEvent e) + { + String propName = e.getPropertyName(); + if (e.getPropertyName().equals(JInternalFrame.FRAME_ICON_PROPERTY)) + { + title.setIcon(frame.getFrameIcon()); + } + else if (propName.equals("JInternalFrame.isPalette")) + { + if (e.getNewValue().equals(Boolean.TRUE)) + setPalette(true); + else + setPalette(false); + } + else + super.propertyChange(e); + } + } + + /** + * A layout manager for the title pane. + * + * @see #createLayout() + */ + private class MetalTitlePaneLayout implements LayoutManager + { + /** + * Creates a new <code>TitlePaneLayout</code> object. + */ + public MetalTitlePaneLayout() + { + // Do nothing. + } + + /** + * Adds a Component to the Container. + * + * @param name The name to reference the added Component by. + * @param c The Component to add. + */ + public void addLayoutComponent(String name, Component c) + { + // Do nothing. + } + + /** + * This method is called to lay out the children of the Title Pane. + * + * @param c The Container to lay out. + */ + public void layoutContainer(Container c) + { + + Dimension size = c.getSize(); + Insets insets = c.getInsets(); + int width = size.width - insets.left - insets.right; + int height = size.height - insets.top - insets.bottom; + + + int loc = width - insets.right - 1; + int top = insets.top + 2; + int buttonHeight = height - 4; + if (closeButton.isVisible()) + { + int buttonWidth = closeIcon.getIconWidth(); + loc -= buttonWidth + 2; + closeButton.setBounds(loc, top, buttonWidth, buttonHeight); + loc -= 6; + } + + if (maxButton.isVisible()) + { + int buttonWidth = maxIcon.getIconWidth(); + loc -= buttonWidth + 4; + maxButton.setBounds(loc, top, buttonWidth, buttonHeight); + } + + if (iconButton.isVisible()) + { + int buttonWidth = minIcon.getIconWidth(); + loc -= buttonWidth + 4; + iconButton.setBounds(loc, top, buttonWidth, buttonHeight); + loc -= 2; + } + + Dimension titlePreferredSize = title.getPreferredSize(); + title.setBounds(insets.left + 5, insets.top, + Math.min(titlePreferredSize.width, loc - insets.left - 10), + height); + + } + + /** + * This method returns the minimum size of the given Container given the + * children that it has. + * + * @param c The Container to get a minimum size for. + * + * @return The minimum size of the Container. + */ + public Dimension minimumLayoutSize(Container c) + { + return preferredLayoutSize(c); + } + + /** + * Returns the preferred size of the given Container taking + * into account the children that it has. + * + * @param c The Container to lay out. + * + * @return The preferred size of the Container. + */ + public Dimension preferredLayoutSize(Container c) + { + if (isPalette) + return new Dimension(paletteTitleHeight, paletteTitleHeight); + else + return new Dimension(22, 22); + } + + /** + * Removes a Component from the Container. + * + * @param c The Component to remove. + */ + public void removeLayoutComponent(Component c) + { + // Nothing to do here. + } + } + + /** A flag indicating whether the title pane uses the palette style. */ + protected boolean isPalette; + + /** + * The icon used for the close button - this is fetched from the look and + * feel defaults using the key <code>InternalFrame.paletteCloseIcon</code>. + */ + protected Icon paletteCloseIcon; + + /** + * The height of the title pane when <code>isPalette</code> is + * <code>true</code>. This value is fetched from the look and feel defaults + * using the key <code>InternalFrame.paletteTitleHeight</code>. + */ + protected int paletteTitleHeight; + + /** The label used to display the title for the internal frame. */ + JLabel title; + + /** + * Creates a new title pane for the specified frame. + * + * @param f the internal frame. + */ + public MetalInternalFrameTitlePane(JInternalFrame f) + { + super(f); + isPalette = false; + } + + /** + * Fetches the colors used in the title pane. + */ + protected void installDefaults() + { + super.installDefaults(); + selectedTextColor = MetalLookAndFeel.getControlTextColor(); + selectedTitleColor = MetalLookAndFeel.getWindowTitleBackground(); + notSelectedTextColor = MetalLookAndFeel.getInactiveControlTextColor(); + notSelectedTitleColor = MetalLookAndFeel.getWindowTitleInactiveBackground(); + + paletteTitleHeight = UIManager.getInt("InternalFrame.paletteTitleHeight"); + paletteCloseIcon = UIManager.getIcon("InternalFrame.paletteCloseIcon"); + minIcon = MetalIconFactory.getInternalFrameAltMaximizeIcon(16); + + title = new JLabel(frame.getTitle(), + MetalIconFactory.getInternalFrameDefaultMenuIcon(), + SwingConstants.LEFT); + } + + /** + * Clears the colors used for the title pane. + */ + protected void uninstallDefaults() + { + super.uninstallDefaults(); + selectedTextColor = null; + selectedTitleColor = null; + notSelectedTextColor = null; + notSelectedTitleColor = null; + paletteCloseIcon = null; + minIcon = null; + title = null; + } + + /** + * Calls the super class to create the buttons, then calls + * <code>setBorderPainted(false)</code> and + * <code>setContentAreaFilled(false)</code> for each button. + */ + protected void createButtons() + { + super.createButtons(); + closeButton.setBorderPainted(false); + closeButton.setContentAreaFilled(false); + iconButton.setBorderPainted(false); + iconButton.setContentAreaFilled(false); + maxButton.setBorderPainted(false); + maxButton.setContentAreaFilled(false); + } + + /** + * Overridden to do nothing. + */ + protected void addSystemMenuItems(JMenu systemMenu) + { + // do nothing + } + + /** + * Overridden to do nothing. + */ + protected void showSystemMenu() + { + // do nothing + } + + /** + * Adds the sub components of the title pane. + */ + protected void addSubComponents() + { + // FIXME: this method is probably overridden to only add the required + // buttons + add(title); + add(closeButton); + add(iconButton); + add(maxButton); + } + + /** + * Creates a new instance of <code>MetalTitlePaneLayout</code> (not part of + * the public API). + * + * @return A new instance of <code>MetalTitlePaneLayout</code>. + */ + protected LayoutManager createLayout() + { + return new MetalTitlePaneLayout(); + } + + /** + * Draws the title pane in the palette style. + * + * @param g the graphics device. + * + * @see #paintComponent(Graphics) + */ + public void paintPalette(Graphics g) + { + Color savedColor = g.getColor(); + Rectangle b = SwingUtilities.getLocalBounds(this); + + if (UIManager.get("InternalFrame.activeTitleGradient") != null + && frame.isSelected()) + { + MetalUtils.paintGradient(g, b.x, b.y, b.width, b.height, + SwingConstants.VERTICAL, + "InternalFrame.activeTitleGradient"); + } + MetalUtils.fillMetalPattern(this, g, b.x + 4, b.y + 2, b.width + - paletteCloseIcon.getIconWidth() - 13, b.height - 5, + MetalLookAndFeel.getPrimaryControlHighlight(), + MetalLookAndFeel.getBlack()); + + // draw a line separating the title pane from the frame content + Dimension d = getSize(); + g.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); + g.drawLine(0, d.height - 1, d.width - 1, d.height - 1); + + g.setColor(savedColor); + } + + /** + * Paints a representation of the current state of the internal frame. + * + * @param g the graphics device. + */ + public void paintComponent(Graphics g) + { + Color savedColor = g.getColor(); + if (isPalette) + paintPalette(g); + else + { + paintTitleBackground(g); + paintChildren(g); + Dimension d = getSize(); + if (frame.isSelected()) + g.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); + else + g.setColor(MetalLookAndFeel.getControlDarkShadow()); + + // put a dot in each of the top corners + g.drawLine(0, 0, 0, 0); + g.drawLine(d.width - 1, 0, d.width - 1, 0); + + g.drawLine(0, d.height - 1, d.width - 1, d.height - 1); + + // draw the metal pattern + if (UIManager.get("InternalFrame.activeTitleGradient") != null + && frame.isSelected()) + { + MetalUtils.paintGradient(g, 0, 0, getWidth(), getHeight(), + SwingConstants.VERTICAL, + "InternalFrame.activeTitleGradient"); + } + + Rectangle b = title.getBounds(); + int startX = b.x + b.width + 5; + int endX = startX; + if (iconButton.isVisible()) + endX = Math.max(iconButton.getX(), endX); + else if (maxButton.isVisible()) + endX = Math.max(maxButton.getX(), endX); + else if (closeButton.isVisible()) + endX = Math.max(closeButton.getX(), endX); + endX -= 7; + if (endX > startX) + MetalUtils.fillMetalPattern(this, g, startX, 3, endX - startX, + getHeight() - 6, Color.white, Color.gray); + } + g.setColor(savedColor); + } + + /** + * Sets the flag that controls whether the title pane is drawn in the + * palette style or the regular style. + * + * @param b the new value of the flag. + */ + public void setPalette(boolean b) + { + isPalette = b; + title.setVisible(!isPalette); + iconButton.setVisible(!isPalette && frame.isIconifiable()); + maxButton.setVisible(!isPalette && frame.isMaximizable()); + if (isPalette) + closeButton.setIcon(paletteCloseIcon); + else + closeButton.setIcon(closeIcon); + } + + /** + * Creates and returns a property change handler for the title pane. + * + * @return The property change handler. + */ + protected PropertyChangeListener createPropertyChangeListener() + { + return new MetalInternalFrameTitlePanePropertyChangeHandler(); + } +} |