/*
* Copyright (c) 2005-2010 Substance Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Substance Kirill Grouchnikov 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 org.pushingpixels.substance.internal.ui;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Rectangle;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.Icon;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicHTML;
import javax.swing.plaf.basic.BasicLabelUI;
import javax.swing.text.View;
import org.pushingpixels.substance.api.ComponentState;
import org.pushingpixels.substance.api.SubstanceLookAndFeel;
import org.pushingpixels.substance.internal.painter.BackgroundPaintingUtils;
import org.pushingpixels.substance.internal.utils.SubstanceColorSchemeUtilities;
import org.pushingpixels.substance.internal.utils.SubstanceCoreUtilities;
import org.pushingpixels.substance.internal.utils.SubstanceTextUtilities;
/**
* UI for labels in <b>Substance</b> look and feel.
*
* @author Kirill Grouchnikov
*/
public class SubstanceLabelUI extends BasicLabelUI {
/**
* Property change listener.
*/
protected PropertyChangeListener substancePropertyChangeListener;
private Rectangle paintIconR = new Rectangle();
private Rectangle paintTextR = new Rectangle();
private Rectangle paintViewR = new Rectangle();
private Insets paintViewInsets = new Insets(0, 0, 0, 0);
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.ComponentUI#createUI(javax.swing.JComponent)
*/
public static ComponentUI createUI(JComponent comp) {
SubstanceCoreUtilities.testComponentCreationThreadingViolation(comp);
return new SubstanceLabelUI();
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicLabelUI#installListeners(javax.swing.JLabel)
*/
@Override
protected void installListeners(final JLabel c) {
super.installListeners(c);
this.substancePropertyChangeListener = new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
if ("opaque".equals(evt.getPropertyName())) {
if (!Boolean.TRUE.equals(c
.getClientProperty(SubstanceButtonUI.LOCK_OPACITY))) {
c.putClientProperty(SubstanceButtonUI.OPACITY_ORIGINAL,
evt.getNewValue());
// System.out
// .println("PCL: "
// + b.getText()
// + "->"
// + b
// .getClientProperty(SubstanceButtonUI.OPACITY_ORIGINAL)
// );
}
}
}
};
c.addPropertyChangeListener(this.substancePropertyChangeListener);
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicLabelUI#uninstallListeners(javax.swing.JLabel
* )
*/
@Override
protected void uninstallListeners(JLabel c) {
c.removePropertyChangeListener(this.substancePropertyChangeListener);
this.substancePropertyChangeListener = null;
super.uninstallListeners(c);
}
@Override
public void paint(Graphics g, JComponent c) {
JLabel label = (JLabel) c;
String text = label.getText();
Icon icon = null;
if (label.isEnabled()) {
icon = label.getIcon();
if ((icon != null)
&& SubstanceCoreUtilities.useThemedDefaultIcon(label))
icon = SubstanceCoreUtilities.getThemedIcon(label, icon);
} else {
icon = label.getDisabledIcon();
}
if ((icon == null) && (text == null)) {
return;
}
Insets insets = label.getInsets(paintViewInsets);
paintViewR.x = insets.left;
paintViewR.y = insets.top;
paintViewR.width = c.getWidth() - (insets.left + insets.right);
paintViewR.height = c.getHeight() - (insets.top + insets.bottom);
paintIconR.x = paintIconR.y = paintIconR.width = paintIconR.height = 0;
paintTextR.x = paintTextR.y = paintTextR.width = paintTextR.height = 0;
String clippedText = SwingUtilities.layoutCompoundLabel(label, g
.getFontMetrics(), text, icon, label.getVerticalAlignment(),
label.getHorizontalAlignment(),
label.getVerticalTextPosition(), label
.getHorizontalTextPosition(), paintViewR, paintIconR,
paintTextR, label.getIconTextGap());
Graphics2D g2d = (Graphics2D) g.create();
BackgroundPaintingUtils.updateIfOpaque(g2d, c);
if (icon != null) {
icon.paintIcon(c, g2d, paintIconR.x, paintIconR.y);
}
ComponentState labelState = label.isEnabled() ? ComponentState.ENABLED
: ComponentState.DISABLED_UNSELECTED;
float labelAlpha = SubstanceColorSchemeUtilities.getAlpha(label,
labelState);
if (text != null) {
final View v = (View) c.getClientProperty(BasicHTML.propertyKey);
if (v != null) {
v.paint(g2d, paintTextR);
} else {
// fix for issue 406 - use the same FG computation
// color as for other controls
SubstanceTextUtilities.paintText(g, label, paintTextR,
clippedText, label.getDisplayedMnemonicIndex(),
labelState, labelAlpha);
}
}
g2d.dispose();
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.ComponentUI#update(java.awt.Graphics,
* javax.swing.JComponent)
*/
@Override
public void update(Graphics g, JComponent c) {
// failsafe for LAF change
if (!SubstanceLookAndFeel.isCurrentLookAndFeel())
return;
this.paint(g, c);
}
}