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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
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package javax.swing.plaf.synth;

import java.awt.*;
import java.beans.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import sun.swing.DefaultLookup;
import sun.swing.plaf.synth.SynthUI;

Synth's OptionPaneUI.
Author:James Gosling, Scott Violet, Amy Fowler
/** * Synth's OptionPaneUI. * * @author James Gosling * @author Scott Violet * @author Amy Fowler */
class SynthOptionPaneUI extends BasicOptionPaneUI implements PropertyChangeListener, SynthUI { private SynthStyle style;
Creates a new BasicOptionPaneUI instance.
/** * Creates a new BasicOptionPaneUI instance. */
public static ComponentUI createUI(JComponent x) { return new SynthOptionPaneUI(); } protected void installDefaults() { updateStyle(optionPane); } 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(); } } context.dispose(); } protected void uninstallDefaults() { SynthContext context = getContext(optionPane, ENABLED); style.uninstallDefaults(context); context.dispose(); style = null; } protected void uninstallListeners() { super.uninstallListeners(); optionPane.removePropertyChangeListener(this); } 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))); context.dispose(); } optionPane.add(createButtonArea()); optionPane.applyComponentOrientation(optionPane.getComponentOrientation()); } public SynthContext getContext(JComponent c) { return getContext(c, getComponentState(c)); } private SynthContext getContext(JComponent c, int state) { return SynthContext.getContext(SynthContext.class, c, SynthLookAndFeel.getRegion(c), style, state); } private Region getRegion(JComponent c) { return SynthLookAndFeel.getRegion(c); } private int getComponentState(JComponent c) { return SynthLookAndFeel.getComponentState(c); } 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); context.dispose(); } public void paint(Graphics g, JComponent c) { SynthContext context = getContext(c); paint(context, g); context.dispose(); } protected void paint(SynthContext context, Graphics g) { } public void paintBorder(SynthContext context, Graphics g, int x, int y, int w, int h) { context.getPainter().paintOptionPaneBorder(context, g, x, y, w, h); } public void propertyChange(PropertyChangeEvent e) { if (SynthLookAndFeel.shouldUpdateStyle(e)) { updateStyle((JOptionPane)e.getSource()); } } protected boolean getSizeButtonsToSameWidth() { return DefaultLookup.getBoolean(optionPane, this, "OptionPane.sameSizeButtons", true); }
Messaged from installComponents to create a Container containing the body of the message. The icon is the created by calling addIcon.
/** * Messaged from installComponents to create a Container containing the * body of the message. The icon is the created by calling * <code>addIcon</code>. */
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); context.dispose(); cons.insets = new Insets(0,0,3,0); addMessageComponents(body, cons, getMessage(), getMaxCharactersPerLineCount(), false); top.add(realBody, BorderLayout.CENTER); addIcon(top); return top; } protected Container createSeparator() { JSeparator separator = new JSeparator(SwingConstants.HORIZONTAL); separator.setName("OptionPane.separator"); return separator; } }