Java example source code file (MetalInternalFrameTitlePane.java)
The MetalInternalFrameTitlePane.java Java example source code/*
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* 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
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*/
package javax.swing.plaf.metal;
import sun.swing.SwingUtilities2;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.InternalFrameEvent;
import java.util.EventListener;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;
import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
/**
* Class that manages a JLF title bar
* @author Steve Wilson
* @author Brian Beck
* @since 1.3
*/
public class MetalInternalFrameTitlePane extends BasicInternalFrameTitlePane {
protected boolean isPalette = false;
protected Icon paletteCloseIcon;
protected int paletteTitleHeight;
private static final Border handyEmptyBorder = new EmptyBorder(0,0,0,0);
/**
* Key used to lookup Color from UIManager. If this is null,
* <code>getWindowTitleBackground is used.
*/
private String selectedBackgroundKey;
/**
* Key used to lookup Color from UIManager. If this is null,
* <code>getWindowTitleForeground is used.
*/
private String selectedForegroundKey;
/**
* Key used to lookup shadow color from UIManager. If this is null,
* <code>getPrimaryControlDarkShadow is used.
*/
private String selectedShadowKey;
/**
* Boolean indicating the state of the <code>JInternalFrames
* closable property at <code>updateUI time.
*/
private boolean wasClosable;
int buttonsWidth = 0;
MetalBumps activeBumps
= new MetalBumps( 0, 0,
MetalLookAndFeel.getPrimaryControlHighlight(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
(UIManager.get("InternalFrame.activeTitleGradient") != null) ? null :
MetalLookAndFeel.getPrimaryControl() );
MetalBumps inactiveBumps
= new MetalBumps( 0, 0,
MetalLookAndFeel.getControlHighlight(),
MetalLookAndFeel.getControlDarkShadow(),
(UIManager.get("InternalFrame.inactiveTitleGradient") != null) ? null :
MetalLookAndFeel.getControl() );
MetalBumps paletteBumps;
private Color activeBumpsHighlight = MetalLookAndFeel.
getPrimaryControlHighlight();
private Color activeBumpsShadow = MetalLookAndFeel.
getPrimaryControlDarkShadow();
public MetalInternalFrameTitlePane(JInternalFrame f) {
super( f );
}
public void addNotify() {
super.addNotify();
// This is done here instead of in installDefaults as I was worried
// that the BasicInternalFrameUI might not be fully initialized, and
// that if this resets the closable state the BasicInternalFrameUI
// Listeners that get notified might be in an odd/uninitialized state.
updateOptionPaneState();
}
protected void installDefaults() {
super.installDefaults();
setFont( UIManager.getFont("InternalFrame.titleFont") );
paletteTitleHeight
= UIManager.getInt("InternalFrame.paletteTitleHeight");
paletteCloseIcon = UIManager.getIcon("InternalFrame.paletteCloseIcon");
wasClosable = frame.isClosable();
selectedForegroundKey = selectedBackgroundKey = null;
if (MetalLookAndFeel.usingOcean()) {
setOpaque(true);
}
}
protected void uninstallDefaults() {
super.uninstallDefaults();
if (wasClosable != frame.isClosable()) {
frame.setClosable(wasClosable);
}
}
protected void createButtons() {
super.createButtons();
Boolean paintActive = frame.isSelected() ? Boolean.TRUE:Boolean.FALSE;
iconButton.putClientProperty("paintActive", paintActive);
iconButton.setBorder(handyEmptyBorder);
maxButton.putClientProperty("paintActive", paintActive);
maxButton.setBorder(handyEmptyBorder);
closeButton.putClientProperty("paintActive", paintActive);
closeButton.setBorder(handyEmptyBorder);
// The palette close icon isn't opaque while the regular close icon is.
// This makes sure palette close buttons have the right background.
closeButton.setBackground(MetalLookAndFeel.getPrimaryControlShadow());
if (MetalLookAndFeel.usingOcean()) {
iconButton.setContentAreaFilled(false);
maxButton.setContentAreaFilled(false);
closeButton.setContentAreaFilled(false);
}
}
/**
* Override the parent's method to do nothing. Metal frames do not
* have system menus.
*/
protected void assembleSystemMenu() {}
/**
* Override the parent's method to do nothing. Metal frames do not
* have system menus.
*/
protected void addSystemMenuItems(JMenu systemMenu) {}
/**
* Override the parent's method to do nothing. Metal frames do not
* have system menus.
*/
protected void showSystemMenu() {}
/**
* Override the parent's method avoid creating a menu bar. Metal frames
* do not have system menus.
*/
protected void addSubComponents() {
add(iconButton);
add(maxButton);
add(closeButton);
}
protected PropertyChangeListener createPropertyChangeListener() {
return new MetalPropertyChangeHandler();
}
protected LayoutManager createLayout() {
return new MetalTitlePaneLayout();
}
class MetalPropertyChangeHandler
extends BasicInternalFrameTitlePane.PropertyChangeHandler
{
public void propertyChange(PropertyChangeEvent evt) {
String prop = evt.getPropertyName();
if( prop.equals(JInternalFrame.IS_SELECTED_PROPERTY) ) {
Boolean b = (Boolean)evt.getNewValue();
iconButton.putClientProperty("paintActive", b);
closeButton.putClientProperty("paintActive", b);
maxButton.putClientProperty("paintActive", b);
}
else if ("JInternalFrame.messageType".equals(prop)) {
updateOptionPaneState();
frame.repaint();
}
super.propertyChange(evt);
}
}
class MetalTitlePaneLayout extends TitlePaneLayout {
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) {
// Compute width.
int width = 30;
if (frame.isClosable()) {
width += 21;
}
if (frame.isMaximizable()) {
width += 16 + (frame.isClosable() ? 10 : 4);
}
if (frame.isIconifiable()) {
width += 16 + (frame.isMaximizable() ? 2 :
(frame.isClosable() ? 10 : 4));
}
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;
if (title_length > 2) {
int subtitle_w = SwingUtilities2.stringWidth(frame, fm,
frame.getTitle().substring(0, 2) + "...");
width += (title_w < subtitle_w) ? title_w : subtitle_w;
}
else {
width += title_w;
}
// Compute height.
int height;
if (isPalette) {
height = paletteTitleHeight;
} else {
int fontHeight = fm.getHeight();
fontHeight += 7;
Icon icon = frame.getFrameIcon();
int iconHeight = 0;
if (icon != null) {
// SystemMenuBar forces the icon to be 16x16 or less.
iconHeight = Math.min(icon.getIconHeight(), 16);
}
iconHeight += 5;
height = Math.max(fontHeight, iconHeight);
}
return new Dimension(width, height);
}
public void layoutContainer(Container c) {
boolean leftToRight = MetalUtils.isLeftToRight(frame);
int w = getWidth();
int x = leftToRight ? w : 0;
int y = 2;
int spacing;
// assumes all buttons have the same dimensions
// these dimensions include the borders
int buttonHeight = closeButton.getIcon().getIconHeight();
int buttonWidth = closeButton.getIcon().getIconWidth();
if(frame.isClosable()) {
if (isPalette) {
spacing = 3;
x += leftToRight ? -spacing -(buttonWidth+2) : spacing;
closeButton.setBounds(x, y, buttonWidth+2, getHeight()-4);
if( !leftToRight ) x += (buttonWidth+2);
} else {
spacing = 4;
x += leftToRight ? -spacing -buttonWidth : spacing;
closeButton.setBounds(x, y, buttonWidth, buttonHeight);
if( !leftToRight ) x += buttonWidth;
}
}
if(frame.isMaximizable() && !isPalette ) {
spacing = frame.isClosable() ? 10 : 4;
x += leftToRight ? -spacing -buttonWidth : spacing;
maxButton.setBounds(x, y, buttonWidth, buttonHeight);
if( !leftToRight ) x += buttonWidth;
}
if(frame.isIconifiable() && !isPalette ) {
spacing = frame.isMaximizable() ? 2
: (frame.isClosable() ? 10 : 4);
x += leftToRight ? -spacing -buttonWidth : spacing;
iconButton.setBounds(x, y, buttonWidth, buttonHeight);
if( !leftToRight ) x += buttonWidth;
}
buttonsWidth = leftToRight ? w - x : x;
}
}
public void paintPalette(Graphics g) {
boolean leftToRight = MetalUtils.isLeftToRight(frame);
int width = getWidth();
int height = getHeight();
if (paletteBumps == null) {
paletteBumps
= new MetalBumps(0, 0,
MetalLookAndFeel.getPrimaryControlHighlight(),
MetalLookAndFeel.getPrimaryControlInfo(),
MetalLookAndFeel.getPrimaryControlShadow() );
}
Color background = MetalLookAndFeel.getPrimaryControlShadow();
Color darkShadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
g.setColor(background);
g.fillRect(0, 0, width, height);
g.setColor( darkShadow );
g.drawLine ( 0, height - 1, width, height -1);
int xOffset = leftToRight ? 4 : buttonsWidth + 4;
int bumpLength = width - buttonsWidth -2*4;
int bumpHeight = getHeight() - 4;
paletteBumps.setBumpArea( bumpLength, bumpHeight );
paletteBumps.paintIcon( this, g, xOffset, 2);
}
public void paintComponent(Graphics g) {
if(isPalette) {
paintPalette(g);
return;
}
boolean leftToRight = MetalUtils.isLeftToRight(frame);
boolean isSelected = frame.isSelected();
int width = getWidth();
int height = getHeight();
Color background = null;
Color foreground = null;
Color shadow = null;
MetalBumps bumps;
String gradientKey;
if (isSelected) {
if (!MetalLookAndFeel.usingOcean()) {
closeButton.setContentAreaFilled(true);
maxButton.setContentAreaFilled(true);
iconButton.setContentAreaFilled(true);
}
if (selectedBackgroundKey != null) {
background = UIManager.getColor(selectedBackgroundKey);
}
if (background == null) {
background = MetalLookAndFeel.getWindowTitleBackground();
}
if (selectedForegroundKey != null) {
foreground = UIManager.getColor(selectedForegroundKey);
}
if (selectedShadowKey != null) {
shadow = UIManager.getColor(selectedShadowKey);
}
if (shadow == null) {
shadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
}
if (foreground == null) {
foreground = MetalLookAndFeel.getWindowTitleForeground();
}
activeBumps.setBumpColors(activeBumpsHighlight, activeBumpsShadow,
UIManager.get("InternalFrame.activeTitleGradient") !=
null ? null : background);
bumps = activeBumps;
gradientKey = "InternalFrame.activeTitleGradient";
} else {
if (!MetalLookAndFeel.usingOcean()) {
closeButton.setContentAreaFilled(false);
maxButton.setContentAreaFilled(false);
iconButton.setContentAreaFilled(false);
}
background = MetalLookAndFeel.getWindowTitleInactiveBackground();
foreground = MetalLookAndFeel.getWindowTitleInactiveForeground();
shadow = MetalLookAndFeel.getControlDarkShadow();
bumps = inactiveBumps;
gradientKey = "InternalFrame.inactiveTitleGradient";
}
if (!MetalUtils.drawGradient(this, g, gradientKey, 0, 0, width,
height, true)) {
g.setColor(background);
g.fillRect(0, 0, width, height);
}
g.setColor( shadow );
g.drawLine ( 0, height - 1, width, height -1);
g.drawLine ( 0, 0, 0 ,0);
g.drawLine ( width - 1, 0 , width -1, 0);
int titleLength;
int xOffset = leftToRight ? 5 : width - 5;
String frameTitle = frame.getTitle();
Icon icon = frame.getFrameIcon();
if ( icon != null ) {
if( !leftToRight )
xOffset -= icon.getIconWidth();
int iconY = ((height / 2) - (icon.getIconHeight() /2));
icon.paintIcon(frame, g, xOffset, iconY);
xOffset += leftToRight ? icon.getIconWidth() + 5 : -5;
}
if(frameTitle != null) {
Font f = getFont();
g.setFont(f);
FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g, f);
int fHeight = fm.getHeight();
g.setColor(foreground);
int yOffset = ( (height - fm.getHeight() ) / 2 ) + fm.getAscent();
Rectangle rect = new Rectangle(0, 0, 0, 0);
if (frame.isIconifiable()) { rect = iconButton.getBounds(); }
else if (frame.isMaximizable()) { rect = maxButton.getBounds(); }
else if (frame.isClosable()) { rect = closeButton.getBounds(); }
int titleW;
if( leftToRight ) {
if (rect.x == 0) {
rect.x = frame.getWidth()-frame.getInsets().right-2;
}
titleW = rect.x - xOffset - 4;
frameTitle = getTitle(frameTitle, fm, titleW);
} else {
titleW = xOffset - rect.x - rect.width - 4;
frameTitle = getTitle(frameTitle, fm, titleW);
xOffset -= SwingUtilities2.stringWidth(frame, fm, frameTitle);
}
titleLength = SwingUtilities2.stringWidth(frame, fm, frameTitle);
SwingUtilities2.drawString(frame, g, frameTitle, xOffset, yOffset);
xOffset += leftToRight ? titleLength + 5 : -5;
}
int bumpXOffset;
int bumpLength;
if( leftToRight ) {
bumpLength = width - buttonsWidth - xOffset - 5;
bumpXOffset = xOffset;
} else {
bumpLength = xOffset - buttonsWidth - 5;
bumpXOffset = buttonsWidth + 5;
}
int bumpYOffset = 3;
int bumpHeight = getHeight() - (2 * bumpYOffset);
bumps.setBumpArea( bumpLength, bumpHeight );
bumps.paintIcon(this, g, bumpXOffset, bumpYOffset);
}
public void setPalette(boolean b) {
isPalette = b;
if (isPalette) {
closeButton.setIcon(paletteCloseIcon);
if( frame.isMaximizable() )
remove(maxButton);
if( frame.isIconifiable() )
remove(iconButton);
} else {
closeButton.setIcon(closeIcon);
if( frame.isMaximizable() )
add(maxButton);
if( frame.isIconifiable() )
add(iconButton);
}
revalidate();
repaint();
}
/**
* Updates any state dependant upon the JInternalFrame being shown in
* a <code>JOptionPane.
*/
private void updateOptionPaneState() {
int type = -2;
boolean closable = wasClosable;
Object obj = frame.getClientProperty("JInternalFrame.messageType");
if (obj == null) {
// Don't change the closable state unless in an JOptionPane.
return;
}
if (obj instanceof Integer) {
type = ((Integer) obj).intValue();
}
switch (type) {
case JOptionPane.ERROR_MESSAGE:
selectedBackgroundKey =
"OptionPane.errorDialog.titlePane.background";
selectedForegroundKey =
"OptionPane.errorDialog.titlePane.foreground";
selectedShadowKey = "OptionPane.errorDialog.titlePane.shadow";
closable = false;
break;
case JOptionPane.QUESTION_MESSAGE:
selectedBackgroundKey =
"OptionPane.questionDialog.titlePane.background";
selectedForegroundKey =
"OptionPane.questionDialog.titlePane.foreground";
selectedShadowKey =
"OptionPane.questionDialog.titlePane.shadow";
closable = false;
break;
case JOptionPane.WARNING_MESSAGE:
selectedBackgroundKey =
"OptionPane.warningDialog.titlePane.background";
selectedForegroundKey =
"OptionPane.warningDialog.titlePane.foreground";
selectedShadowKey = "OptionPane.warningDialog.titlePane.shadow";
closable = false;
break;
case JOptionPane.INFORMATION_MESSAGE:
case JOptionPane.PLAIN_MESSAGE:
selectedBackgroundKey = selectedForegroundKey = selectedShadowKey =
null;
closable = false;
break;
default:
selectedBackgroundKey = selectedForegroundKey = selectedShadowKey =
null;
break;
}
if (closable != frame.isClosable()) {
frame.setClosable(closable);
}
}
}
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