/*
* Copyright (c) 2002, 2013, 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.awt.*;
import java.beans.*;
import javax.swing.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import sun.swing.DefaultLookup;
/**
* Provides the Synth L&F UI delegate for
* {@link javax.swing.JOptionPane}.
*
* @author James Gosling
* @author Scott Violet
* @author Amy Fowler
* @since 1.7
*/
public class SynthOptionPaneUI extends BasicOptionPaneUI implements
PropertyChangeListener, SynthUI {
private SynthStyle style;
/**
* Creates a new UI object for the given component.
*
* @param x component to create UI object for
* @return the UI object
*/
public static ComponentUI createUI(JComponent x) {
return new SynthOptionPaneUI();
}
/**
* {@inheritDoc}
*/
@Override
protected void installDefaults() {
updateStyle(optionPane);
}
/**
* {@inheritDoc}
*/
@Override
protected void installListeners() {
super.installListeners();
optionPane.addPropertyChangeListener(this);
}
private void updateStyle(JComponent c) {
SynthContext context = getContext(c, ENABLED);
SynthStyle oldStyle = style;
style = SynthLookAndFeel.updateStyle(context, this);
if (style != oldStyle) {
minimumSize = (Dimension)style.get(context,
"OptionPane.minimumSize");
if (minimumSize == null) {
minimumSize = new Dimension(262, 90);
}
if (oldStyle != null) {
uninstallKeyboardActions();
installKeyboardActions();
}
}
}
/**
* {@inheritDoc}
*/
@Override
protected void uninstallDefaults() {
SynthContext context = getContext(optionPane, ENABLED);
style.uninstallDefaults(context);
style = null;
}
/**
* {@inheritDoc}
*/
@Override
protected void uninstallListeners() {
super.uninstallListeners();
optionPane.removePropertyChangeListener(this);
}
/**
* {@inheritDoc}
*/
@Override
protected void installComponents() {
optionPane.add(createMessageArea());
Container separator = createSeparator();
if (separator != null) {
optionPane.add(separator);
SynthContext context = getContext(optionPane, ENABLED);
optionPane.add(Box.createVerticalStrut(context.getStyle().
getInt(context, "OptionPane.separatorPadding", 6)));
}
optionPane.add(createButtonArea());
optionPane.applyComponentOrientation(optionPane.getComponentOrientation());
}
/**
* {@inheritDoc}
*/
@Override
public SynthContext getContext(JComponent c) {
return getContext(c, getComponentState(c));
}
private SynthContext getContext(JComponent c, int state) {
return SynthContext.getContext(c, style, state);
}
private int getComponentState(JComponent c) {
return SynthLookAndFeel.getComponentState(c);
}
/**
* 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);
SynthLookAndFeel.update(context, g);
context.getPainter().paintOptionPaneBackground(context,
g, 0, 0, c.getWidth(), c.getHeight());
paint(context, g);
}
/**
* 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);
}
/**
* Paints the specified component. This implementation does nothing.
*
* @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) {
}
/**
* {@inheritDoc}
*/
@Override
public void paintBorder(SynthContext context, Graphics g, int x,
int y, int w, int h) {
context.getPainter().paintOptionPaneBorder(context, g, x, y, w, h);
}
/**
* {@inheritDoc}
*/
@Override
public void propertyChange(PropertyChangeEvent e) {
if (SynthLookAndFeel.shouldUpdateStyle(e)) {
updateStyle((JOptionPane)e.getSource());
}
}
/**
* {@inheritDoc}
*/
@Override
protected boolean getSizeButtonsToSameWidth() {
return DefaultLookup.getBoolean(optionPane, this,
"OptionPane.sameSizeButtons", true);
}
/**
* Called from {@link #installComponents} to create a {@code Container}
* containing the body of the message. The icon is the created by calling
* {@link #addIcon}.
*/
@Override
protected Container createMessageArea() {
JPanel top = new JPanel();
top.setName("OptionPane.messageArea");
top.setLayout(new BorderLayout());
/* Fill the body. */
Container body = new JPanel(new GridBagLayout());
Container realBody = new JPanel(new BorderLayout());
body.setName("OptionPane.body");
realBody.setName("OptionPane.realBody");
if (getIcon() != null) {
JPanel sep = new JPanel();
sep.setName("OptionPane.separator");
sep.setPreferredSize(new Dimension(15, 1));
realBody.add(sep, BorderLayout.BEFORE_LINE_BEGINS);
}
realBody.add(body, BorderLayout.CENTER);
GridBagConstraints cons = new GridBagConstraints();
cons.gridx = cons.gridy = 0;
cons.gridwidth = GridBagConstraints.REMAINDER;
cons.gridheight = 1;
SynthContext context = getContext(optionPane, ENABLED);
cons.anchor = context.getStyle().getInt(context,
"OptionPane.messageAnchor", GridBagConstraints.CENTER);
cons.insets = new Insets(0,0,3,0);
addMessageComponents(body, cons, getMessage(),
getMaxCharactersPerLineCount(), false);
top.add(realBody, BorderLayout.CENTER);
addIcon(top);
return top;
}
/**
* {@inheritDoc}
*/
@Override
protected Container createSeparator() {
JSeparator separator = new JSeparator(SwingConstants.HORIZONTAL);
separator.setName("OptionPane.separator");
return separator;
}
}