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/*
* Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Sun Microsystems nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.sun.swingset3.codeview;
import com.sun.swingset3.utilities.ArrowIcon;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Insets;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.logging.Level;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.border.Border;
import org.jdesktop.swingx.graphics.GraphicsUtilities;
/**
*
* @author Amy Fowler
*/
// This is more complicated thn it needs to be because it was an attempt to
// create a seamless control where the label was integrated into the buttons;
// this integration is temporarily turned off due to visual problems with focus
// and enabled state of the buttons
public class SnippetNavigator extends JPanel {
private String NO_SNIPPET;
private SnippetMap snippetMap;
private JLabel statusLabel;
private JButton prevButton;
private JButton nextButton;
private int arrowSize = 8;
private int overlap = 0;
private int labelPad = 6;
private boolean needLabelBorder = true;
public SnippetNavigator(SnippetMap snippetMap) {
this.snippetMap = snippetMap;
snippetMap.addPropertyChangeListener(new SnippetHighlightListener());
setLayout(null);
NO_SNIPPET = getString("CodeViewer.snippets.noCodeHighlighted",
"No Code highlight selected");
statusLabel = new JLabel(NO_SNIPPET);
statusLabel.setHorizontalAlignment(JLabel.CENTER);
add(statusLabel);
prevButton = (JButton) add(new NavButton());
prevButton.setDefaultCapable(false);
prevButton.setVisible(false);
nextButton = (JButton) add(new NavButton());
nextButton.setDefaultCapable(false);
nextButton.setVisible(false);
applyDefaults();
}
protected String getString(String key, String fallback) {
String value = fallback;
String bundleName = getClass().getPackage().getName()+".resources.CodeViewer";
ResourceBundle bundle = ResourceBundle.getBundle(bundleName);
try {
value = bundle != null? bundle.getString(key) : fallback;
} catch (MissingResourceException e) {
CodeViewer.logger.log(Level.WARNING, "missing String resource " + key +
"; using fallback \"" +fallback + "\"");
}
return value;
}
@Override
public void doLayout() {
Dimension size = getSize();
Insets insets = getInsets();
Dimension labelSize = statusLabel.getPreferredSize();
if (prevButton.isVisible()) {
if (needLabelBorder) {
matchLabelBorderToButtons();
}
Dimension buttonSize = prevButton.getPreferredSize();
prevButton.setBounds(insets.left, insets.top,
buttonSize.width, size.height - insets.top - insets.bottom);
statusLabel.setBounds(insets.left + buttonSize.width - overlap,
insets.top,
labelSize.width + (2 * overlap) + labelPad,
size.height - insets.top - insets.bottom);
nextButton.setBounds(size.width - buttonSize.width,
insets.top,
buttonSize.width, size.height - insets.top - insets.bottom);
} else {
statusLabel.setBounds(insets.left, insets.top,
size.width - insets.left - insets.right,
size.height - insets.top - insets.bottom);
}
}
@Override
public Dimension getPreferredSize() {
Dimension prefSize;
Insets insets = getInsets();
Dimension buttonSize = prevButton.getPreferredSize();
Dimension labelSize = statusLabel.getPreferredSize();
if (prevButton.isVisible()) {
prefSize = new Dimension(buttonSize.width * 2 + labelSize.width +
labelPad +
insets.left + insets.right,
buttonSize.height + insets.top + insets.bottom);
} else {
prefSize = new Dimension(labelSize.width + insets.left + insets.right,
buttonSize.height + insets.top + insets.bottom);
}
return prefSize;
}
@Override
public void updateUI() {
super.updateUI();
applyDefaults();
}
protected void applyDefaults() {
if (prevButton != null) {
Color arrowColor = UIManager.getColor("Label.foreground");
Color inactiveColor = UIManager.getColor("Label.disabledText");
Dimension buttonSize = new Dimension(arrowSize + 12 + overlap,
arrowSize + 12);
prevButton.setIcon(new ArrowIcon(ArrowIcon.WEST, arrowSize, arrowColor));
prevButton.setDisabledIcon(new ArrowIcon(ArrowIcon.WEST, arrowSize, inactiveColor));
prevButton.setPreferredSize(buttonSize);
nextButton.setIcon(new ArrowIcon(ArrowIcon.EAST, arrowSize, arrowColor));
nextButton.setDisabledIcon(new ArrowIcon(ArrowIcon.EAST, arrowSize, inactiveColor));
nextButton.setPreferredSize(buttonSize);
statusLabel.setOpaque(true);
statusLabel.setFont(UIManager.getFont("Label.font").deriveFont(12f));
//needLabelBorder = true;
needLabelBorder = false;
}
}
// this doesn't get called because label integration is disabled
private void matchLabelBorderToButtons() {
Insets insets = new Insets(4, 6, 4, 6);
Dimension buttonSize = prevButton.getPreferredSize();
prevButton.setSize(buttonSize);
BufferedImage image = GraphicsUtilities.
createCompatibleTranslucentImage(
buttonSize.width, buttonSize.height);
prevButton.paint(image.getGraphics());
BufferedImage labelTopImage = GraphicsUtilities.
createCompatibleTranslucentImage(
buttonSize.width - insets.left - insets.right,
insets.top);
labelTopImage.getGraphics().drawImage(image, 0, 0,
buttonSize.width - insets.left - insets.right,
insets.top,
insets.left, 0,
buttonSize.width - insets.right, insets.top,
null,
null);
BufferedImage labelBottomImage = GraphicsUtilities.createCompatibleTranslucentImage(buttonSize.width - insets.left - insets.right,
insets.bottom);
labelBottomImage.getGraphics().drawImage(image, 0, 0,
buttonSize.width - insets.left - insets.right, insets.top,
insets.left, buttonSize.height - insets.bottom,
buttonSize.width - insets.right, buttonSize.height,
null,
null);
statusLabel.setBorder(new CenterLabelBorder(labelTopImage, labelBottomImage));
needLabelBorder = false;
}
public void setNavigatePreviousAction(Action action) {
setButtonAction(prevButton, action);
}
public void setNavigateNextAction(Action action) {
setButtonAction(nextButton, action);
}
private void setButtonAction(JButton button, Action action) {
Icon icon = button.getIcon();
button.setAction(action);
button.setHideActionText(true);
button.setIcon(icon); // icon gets obliterated when action set!
}
private class SnippetHighlightListener implements PropertyChangeListener {
public void propertyChange(PropertyChangeEvent e) {
String propertyName = e.getPropertyName();
if (propertyName.equals("currentSet")) {
String key = (String) e.getNewValue();
setComponentState(key);
} else if (propertyName.equals("currentSnippet")) {
setComponentState(snippetMap.getCurrentSet());
}
}
private void setComponentState(String currentKey) {
if (currentKey == null) {
statusLabel.setText(NO_SNIPPET);
} else {
String place = "" +
snippetMap.getIndexForSnippet(snippetMap.getCurrentSnippet()) +
"" +
" of " + snippetMap.getSnippetCountForSet(currentKey) + "";
statusLabel.setText(place);
}
boolean moreThanOne = snippetMap.getSnippetCountForSet(currentKey) > 1;
prevButton.setVisible(moreThanOne);
nextButton.setVisible(moreThanOne);
}
}
private class NavButton extends JButton {
public NavButton() {
super();
}
protected void paintComponent(Graphics g) {
// need to make sure overlapping label paints after buttons otherwise
// the buttons paint over the label when they gain focus (which is really
// a Swing bug, as the clip should be properly set based on zorder
// within the container)
super.paintComponent(g);
statusLabel.repaint();
}
}
private class CenterLabelBorder implements Border {
private Image topImage;
private Image bottomImage;
public CenterLabelBorder(Image topImage, Image bottomImage) {
this.topImage = topImage;
this.bottomImage = bottomImage;
}
public Insets getBorderInsets(Component c) {
return new Insets(topImage.getHeight(null),
0, bottomImage.getHeight(null), 0);
}
public boolean isBorderOpaque() {
return false;
}
public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
if (prevButton.isVisible()) {
int xx = x;
int imageWidth = topImage.getWidth(c);
while (xx < x + w) {
g.drawImage(topImage, xx, y, c);
xx += imageWidth;
}
xx = x;
imageWidth = bottomImage.getWidth(c);
while (xx < x + w) {
g.drawImage(bottomImage, xx, y + h - bottomImage.getHeight(c), c);
xx += imageWidth;
}
}
}
}
}
