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* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* 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.synth;
import java.beans.*;
import javax.swing.*;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Insets;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.SeparatorUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.DimensionUIResource;
/**
* Provides the Synth L&F UI delegate for
* {@link javax.swing.JSeparator}.
*
* @author Shannon Hickey
* @author Joshua Outwater
* @since 1.7
*/
public class SynthSeparatorUI extends SeparatorUI
implements PropertyChangeListener, SynthUI {
private SynthStyle style;
/**
* Creates a new UI object for the given component.
*
* @param c component to create UI object for
* @return the UI object
*/
public static ComponentUI createUI(JComponent c) {
return new SynthSeparatorUI();
}
/**
* @inheritDoc
*/
@Override
public void installUI(JComponent c) {
installDefaults((JSeparator)c);
installListeners((JSeparator)c);
}
/**
* @inheritDoc
*/
@Override
public void uninstallUI(JComponent c) {
uninstallListeners((JSeparator)c);
uninstallDefaults((JSeparator)c);
}
/**
* Installs default setting. This method is called when a
* {@code LookAndFeel} is installed.
*/
public void installDefaults(JSeparator c) {
updateStyle(c);
}
private void updateStyle(JSeparator sep) {
SynthContext context = getContext(sep, ENABLED);
SynthStyle oldStyle = style;
style = SynthLookAndFeel.updateStyle(context, this);
if (style != oldStyle) {
if (sep instanceof JToolBar.Separator) {
Dimension size = ((JToolBar.Separator)sep).getSeparatorSize();
if (size == null || size instanceof UIResource) {
size = (DimensionUIResource)style.get(
context, "ToolBar.separatorSize");
if (size == null) {
size = new DimensionUIResource(10, 10);
}
((JToolBar.Separator)sep).setSeparatorSize(size);
}
}
}
context.dispose();
}
/**
* Uninstalls default setting. This method is called when a
* {@code LookAndFeel} is uninstalled.
*/
public void uninstallDefaults(JSeparator c) {
SynthContext context = getContext(c, ENABLED);
style.uninstallDefaults(context);
context.dispose();
style = null;
}
/**
* Installs listeners. This method is called when a
* {@code LookAndFeel} is installed.
*/
public void installListeners(JSeparator c) {
c.addPropertyChangeListener(this);
}
/**
* Uninstalls listeners. This method is called when a
* {@code LookAndFeel} is uninstalled.
*/
public void uninstallListeners(JSeparator c) {
c.removePropertyChangeListener(this);
}
/**
* Notifies this UI delegate to repaint the specified component.
* This method paints the component background, then calls
* the {@link #paint(SynthContext,Graphics)} method.
*
* <p>In general, this method does not need to be overridden by subclasses.
* All Look and Feel rendering code should reside in the {@code paint} method.
*
* @param g the {@code Graphics} object used for painting
* @param c the component being painted
* @see #paint(SynthContext,Graphics)
*/
@Override
public void update(Graphics g, JComponent c) {
SynthContext context = getContext(c);
JSeparator separator = (JSeparator)context.getComponent();
SynthLookAndFeel.update(context, g);
context.getPainter().paintSeparatorBackground(context,
g, 0, 0, c.getWidth(), c.getHeight(),
separator.getOrientation());
paint(context, g);
context.dispose();
}
/**
* Paints the specified component according to the Look and Feel.
* <p>This method is not used by Synth Look and Feel.
* Painting is handled by the {@link #paint(SynthContext,Graphics)} method.
*
* @param g the {@code Graphics} object used for painting
* @param c the component being painted
* @see #paint(SynthContext,Graphics)
*/
@Override
public void paint(Graphics g, JComponent c) {
SynthContext context = getContext(c);
paint(context, g);
context.dispose();
}
/**
* Paints the specified component.
*
* @param context context for the component being painted
* @param g the {@code Graphics} object used for painting
* @see #update(Graphics,JComponent)
*/
protected void paint(SynthContext context, Graphics g) {
JSeparator separator = (JSeparator)context.getComponent();
context.getPainter().paintSeparatorForeground(context, g, 0, 0,
separator.getWidth(), separator.getHeight(),
separator.getOrientation());
}
/**
* @inheritDoc
*/
@Override
public void paintBorder(SynthContext context, Graphics g, int x,
int y, int w, int h) {
JSeparator separator = (JSeparator)context.getComponent();
context.getPainter().paintSeparatorBorder(context, g, x, y, w, h,
separator.getOrientation());
}
/**
* @inheritDoc
*/
@Override
public Dimension getPreferredSize(JComponent c) {
SynthContext context = getContext(c);
int thickness = style.getInt(context, "Separator.thickness", 2);
Insets insets = c.getInsets();
Dimension size;
if (((JSeparator)c).getOrientation() == JSeparator.VERTICAL) {
size = new Dimension(insets.left + insets.right + thickness,
insets.top + insets.bottom);
} else {
size = new Dimension(insets.left + insets.right,
insets.top + insets.bottom + thickness);
}
context.dispose();
return size;
}
/**
* @inheritDoc
*/
@Override
public Dimension getMinimumSize(JComponent c) {
return getPreferredSize(c);
}
/**
* @inheritDoc
*/
@Override
public Dimension getMaximumSize(JComponent c) {
return new Dimension(Short.MAX_VALUE, Short.MAX_VALUE);
}
/**
* @inheritDoc
*/
@Override
public SynthContext getContext(JComponent c) {
return getContext(c, SynthLookAndFeel.getComponentState(c));
}
private SynthContext getContext(JComponent c, int state) {
return SynthContext.getContext(SynthContext.class, c,
SynthLookAndFeel.getRegion(c), style, state);
}
public void propertyChange(PropertyChangeEvent evt) {
if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
updateStyle((JSeparator)evt.getSource());
}
}
}