/* * Copyright (c) 1997, 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.basic; import sun.awt.AppContext; import java.awt.*;import java.awt.event.*; import javax.swing.*;import javax.swing.border.*;import javax.swing.plaf.*;import javax.swing.text.View;   /** * BasicToggleButton implementation * <p> * * @author Jeff Dinkins */public class BasicToggleButtonUI extends BasicButtonUI {     private static final Object BASIC_TOGGLE_BUTTON_UI_KEY = new Object();     private final static String propertyPrefix = "ToggleButton" + ".";     // ********************************    //          Create PLAF    // ********************************    public static ComponentUI createUI(JComponent b) {        AppContext appContext = AppContext.getAppContext();        BasicToggleButtonUI toggleButtonUI =                (BasicToggleButtonUI) appContext.get(BASIC_TOGGLE_BUTTON_UI_KEY);        if (toggleButtonUI == null) {            toggleButtonUI = new BasicToggleButtonUI();            appContext.put(BASIC_TOGGLE_BUTTON_UI_KEY, toggleButtonUI);        }        return toggleButtonUI;    }     protected String getPropertyPrefix() {        return propertyPrefix;    }      // ********************************    //          Paint Methods    // ********************************    public void paint(Graphics g, JComponent c) {        AbstractButton b = (AbstractButton) c;        ButtonModel model = b.getModel();         Dimension size = b.getSize();        FontMetrics fm = g.getFontMetrics();         Insets i = c.getInsets();         Rectangle viewRect = new Rectangle(size);         viewRect.x += i.left;        viewRect.y += i.top;        viewRect.width -= (i.right + viewRect.x);        viewRect.height -= (i.bottom + viewRect.y);         Rectangle iconRect = new Rectangle();        Rectangle textRect = new Rectangle();         Font f = c.getFont();        g.setFont(f);         // layout the text and icon        String text = SwingUtilities.layoutCompoundLabel(            c, fm, b.getText(), b.getIcon(),            b.getVerticalAlignment(), b.getHorizontalAlignment(),            b.getVerticalTextPosition(), b.getHorizontalTextPosition(),            viewRect, iconRect, textRect,            b.getText() == null ? 0 : b.getIconTextGap());         g.setColor(b.getBackground());         if (model.isArmed() && model.isPressed() || model.isSelected()) {            paintButtonPressed(g,b);        }         // Paint the Icon        if(b.getIcon() != null) {            paintIcon(g, b, iconRect);        }         // Draw the Text        if(text != null && !text.equals("")) {            View v = (View) c.getClientProperty(BasicHTML.propertyKey);            if (v != null) {               v.paint(g, textRect);            } else {               paintText(g, b, textRect, text);            }        }         // draw the dashed focus line.        if (b.isFocusPainted() && b.hasFocus()) {            paintFocus(g, b, viewRect, textRect, iconRect);        }    }     protected void paintIcon(Graphics g, AbstractButton b, Rectangle iconRect) {        ButtonModel model = b.getModel();        Icon icon = null;         if(!model.isEnabled()) {            if(model.isSelected()) {               icon = b.getDisabledSelectedIcon();            } else {               icon = b.getDisabledIcon();            }        } else if(model.isPressed() && model.isArmed()) {            icon = b.getPressedIcon();            if(icon == null) {                // Use selected icon                icon = b.getSelectedIcon();            }        } else if(model.isSelected()) {            if(b.isRolloverEnabled() && model.isRollover()) {                icon = b.getRolloverSelectedIcon();                if (icon == null) {                    icon = b.getSelectedIcon();                }            } else {                icon = b.getSelectedIcon();            }        } else if(b.isRolloverEnabled() && model.isRollover()) {            icon = b.getRolloverIcon();        }         if(icon == null) {            icon = b.getIcon();        }         icon.paintIcon(b, g, iconRect.x, iconRect.y);    }     /**     * Overriden so that the text will not be rendered as shifted for     * Toggle buttons and subclasses.     */    protected int getTextShiftOffset() {        return 0;    } }