/* * Copyright (c) 1998, 2008, 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 * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing.plaf.metal; import sun.swing.SwingUtilities2;import sun.awt.AppContext; import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.plaf.basic.*;import javax.swing.border.*;import javax.swing.plaf.*;import java.io.Serializable;import javax.swing.text.View;  /** * RadioButtonUI implementation for MetalRadioButtonUI * <p> * <strong>Warning:</strong> * Serialized objects of this class will not be compatible with * future Swing releases. The current serialization support is * appropriate for short term storage or RMI between applications running * the same version of Swing.  As of 1.4, support for long term storage * of all JavaBeans<sup><font size="-2">TM</font></sup> * has been added to the <code>java.beans</code> package. * Please see {@link java.beans.XMLEncoder}. * * @author Michael C. Albers (Metal modifications) * @author Jeff Dinkins (original BasicRadioButtonCode) */public class MetalRadioButtonUI extends BasicRadioButtonUI {     private static final Object METAL_RADIO_BUTTON_UI_KEY = new Object();     protected Color focusColor;    protected Color selectColor;    protected Color disabledTextColor;     private boolean defaults_initialized = false;     // ********************************    //        Create PlAF    // ********************************    public static ComponentUI createUI(JComponent c) {        AppContext appContext = AppContext.getAppContext();        MetalRadioButtonUI metalRadioButtonUI =                (MetalRadioButtonUI) appContext.get(METAL_RADIO_BUTTON_UI_KEY);        if (metalRadioButtonUI == null) {            metalRadioButtonUI = new MetalRadioButtonUI();            appContext.put(METAL_RADIO_BUTTON_UI_KEY, metalRadioButtonUI);        }        return metalRadioButtonUI;    }     // ********************************    //        Install Defaults    // ********************************    public void installDefaults(AbstractButton b) {        super.installDefaults(b);        if(!defaults_initialized) {            focusColor = UIManager.getColor(getPropertyPrefix() + "focus");            selectColor = UIManager.getColor(getPropertyPrefix() + "select");            disabledTextColor = UIManager.getColor(getPropertyPrefix() + "disabledText");            defaults_initialized = true;        }        LookAndFeel.installProperty(b, "opaque", Boolean.TRUE);    }     protected void uninstallDefaults(AbstractButton b) {        super.uninstallDefaults(b);        defaults_initialized = false;    }     // ********************************    //         Default Accessors    // ********************************    protected Color getSelectColor() {        return selectColor;    }     protected Color getDisabledTextColor() {        return disabledTextColor;    }     protected Color getFocusColor() {        return focusColor;    }      // ********************************    //        Paint Methods    // ********************************    public synchronized void paint(Graphics g, JComponent c) {         AbstractButton b = (AbstractButton) c;        ButtonModel model = b.getModel();         Dimension size = c.getSize();         int w = size.width;        int h = size.height;         Font f = c.getFont();        g.setFont(f);        FontMetrics fm = SwingUtilities2.getFontMetrics(c, g, f);         Rectangle viewRect = new Rectangle(size);        Rectangle iconRect = new Rectangle();        Rectangle textRect = new Rectangle();         Insets i = c.getInsets();        viewRect.x += i.left;        viewRect.y += i.top;        viewRect.width -= (i.right + viewRect.x);        viewRect.height -= (i.bottom + viewRect.y);         Icon altIcon = b.getIcon();        Icon selectedIcon = null;        Icon disabledIcon = null;         String text = SwingUtilities.layoutCompoundLabel(            c, fm, b.getText(), altIcon != null ? altIcon : getDefaultIcon(),            b.getVerticalAlignment(), b.getHorizontalAlignment(),            b.getVerticalTextPosition(), b.getHorizontalTextPosition(),            viewRect, iconRect, textRect, b.getIconTextGap());         // fill background        if(c.isOpaque()) {            g.setColor(b.getBackground());            g.fillRect(0,0, size.width, size.height);        }          // Paint the radio button        if(altIcon != null) {             if(!model.isEnabled()) {                if(model.isSelected()) {                   altIcon = b.getDisabledSelectedIcon();                } else {                   altIcon = b.getDisabledIcon();                }            } else if(model.isPressed() && model.isArmed()) {                altIcon = b.getPressedIcon();                if(altIcon == null) {                    // Use selected icon                    altIcon = b.getSelectedIcon();                }            } else if(model.isSelected()) {                if(b.isRolloverEnabled() && model.isRollover()) {                        altIcon = b.getRolloverSelectedIcon();                        if (altIcon == null) {                                altIcon = b.getSelectedIcon();                        }                } else {                        altIcon = b.getSelectedIcon();                }            } else if(b.isRolloverEnabled() && model.isRollover()) {                altIcon = b.getRolloverIcon();            }             if(altIcon == null) {                altIcon = b.getIcon();            }             altIcon.paintIcon(c, g, iconRect.x, iconRect.y);         } else {            getDefaultIcon().paintIcon(c, g, iconRect.x, iconRect.y);        }          // Draw the Text        if(text != null) {            View v = (View) c.getClientProperty(BasicHTML.propertyKey);            if (v != null) {                v.paint(g, textRect);            } else {               int mnemIndex = b.getDisplayedMnemonicIndex();               if(model.isEnabled()) {                   // *** paint the text normally                   g.setColor(b.getForeground());               } else {                   // *** paint the text disabled                   g.setColor(getDisabledTextColor());               }               SwingUtilities2.drawStringUnderlineCharAt(c,g,text,                       mnemIndex, textRect.x, textRect.y + fm.getAscent());           }           if(b.hasFocus() && b.isFocusPainted() &&              textRect.width > 0 && textRect.height > 0 ) {               paintFocus(g,textRect,size);           }        }    }     protected void paintFocus(Graphics g, Rectangle t, Dimension d){        g.setColor(getFocusColor());        g.drawRect(t.x-1, t.y-1, t.width+1, t.height+1);    }}