ojluni/src/main/java/javax/swing/plaf/basic/BasicRadioButtonUI.java - platform/libcore - Git at Google

 /*
  * 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 java.awt.*;
 import java.awt.event.*;
 import javax.swing.*;
 import javax.swing.border.*;
 import javax.swing.plaf.*;
 import javax.swing.text.View;
 import sun.swing.SwingUtilities2;
 import sun.awt.AppContext;


 /**
  * RadioButtonUI implementation for BasicRadioButtonUI
  *
  * @author Jeff Dinkins
  */
 public class BasicRadioButtonUI extends BasicToggleButtonUI
 {
     private static final Object BASIC_RADIO_BUTTON_UI_KEY = new Object();

     protected Icon icon;

     private boolean defaults_initialized = false;

     private final static String propertyPrefix = "RadioButton" + ".";

     // ********************************
     //        Create PLAF
     // ********************************
     public static ComponentUI createUI(JComponent b) {
         AppContext appContext = AppContext.getAppContext();
         BasicRadioButtonUI radioButtonUI =
                 (BasicRadioButtonUI) appContext.get(BASIC_RADIO_BUTTON_UI_KEY);
         if (radioButtonUI == null) {
             radioButtonUI = new BasicRadioButtonUI();
             appContext.put(BASIC_RADIO_BUTTON_UI_KEY, radioButtonUI);
         }
         return radioButtonUI;
     }

     protected String getPropertyPrefix() {
         return propertyPrefix;
     }

     // ********************************
     //        Install PLAF
     // ********************************
     protected void installDefaults(AbstractButton b){
         super.installDefaults(b);
         if(!defaults_initialized) {
             icon = UIManager.getIcon(getPropertyPrefix() + "icon");
             defaults_initialized = true;
         }
     }

     // ********************************
     //        Uninstall PLAF
     // ********************************
     protected void uninstallDefaults(AbstractButton b){
         super.uninstallDefaults(b);
         defaults_initialized = false;
     }

     public Icon getDefaultIcon() {
         return icon;
     }


     /* These Dimensions/Rectangles are allocated once for all
      * RadioButtonUI.paint() calls.  Re-using rectangles
      * rather than allocating them in each paint call substantially
      * reduced the time it took paint to run.  Obviously, this
      * method can't be re-entered.
      */
     private static Dimension size = new Dimension();
     private static Rectangle viewRect = new Rectangle();
     private static Rectangle iconRect = new Rectangle();
     private static Rectangle textRect = new Rectangle();

     /**
      * paint the radio button
      */
     public synchronized void paint(Graphics g, JComponent c) {
         AbstractButton b = (AbstractButton) c;
         ButtonModel model = b.getModel();

         Font f = c.getFont();
         g.setFont(f);
         FontMetrics fm = SwingUtilities2.getFontMetrics(c, g, f);

         Insets i = c.getInsets();
         size = b.getSize(size);
         viewRect.x = i.left;
         viewRect.y = i.top;
         viewRect.width = size.width - (i.right + viewRect.x);
         viewRect.height = size.height - (i.bottom + viewRect.y);
         iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;
         textRect.x = textRect.y = textRect.width = textRect.height = 0;

         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.getText() == null ? 0 : 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 {
                 paintText(g, b, textRect, text);
             }
             if(b.hasFocus() && b.isFocusPainted() &&
                textRect.width > 0 && textRect.height > 0 ) {
                 paintFocus(g, textRect, size);
             }
         }
     }

     protected void paintFocus(Graphics g, Rectangle textRect, Dimension size){
     }


     /* These Insets/Rectangles are allocated once for all
      * RadioButtonUI.getPreferredSize() calls.  Re-using rectangles
      * rather than allocating them in each call substantially
      * reduced the time it took getPreferredSize() to run.  Obviously,
      * this method can't be re-entered.
      */
     private static Rectangle prefViewRect = new Rectangle();
     private static Rectangle prefIconRect = new Rectangle();
     private static Rectangle prefTextRect = new Rectangle();
     private static Insets prefInsets = new Insets(0, 0, 0, 0);

     /**
      * The preferred size of the radio button
      */
     public Dimension getPreferredSize(JComponent c) {
         if(c.getComponentCount() > 0) {
             return null;
         }

         AbstractButton b = (AbstractButton) c;

         String text = b.getText();

         Icon buttonIcon = b.getIcon();
         if(buttonIcon == null) {
             buttonIcon = getDefaultIcon();
         }

         Font font = b.getFont();
         FontMetrics fm = b.getFontMetrics(font);

         prefViewRect.x = prefViewRect.y = 0;
         prefViewRect.width = Short.MAX_VALUE;
         prefViewRect.height = Short.MAX_VALUE;
         prefIconRect.x = prefIconRect.y = prefIconRect.width = prefIconRect.height = 0;
         prefTextRect.x = prefTextRect.y = prefTextRect.width = prefTextRect.height = 0;

         SwingUtilities.layoutCompoundLabel(
             c, fm, text, buttonIcon,
             b.getVerticalAlignment(), b.getHorizontalAlignment(),
             b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
             prefViewRect, prefIconRect, prefTextRect,
             text == null ? 0 : b.getIconTextGap());

         // find the union of the icon and text rects (from Rectangle.java)
         int x1 = Math.min(prefIconRect.x, prefTextRect.x);
         int x2 = Math.max(prefIconRect.x + prefIconRect.width,
                           prefTextRect.x + prefTextRect.width);
         int y1 = Math.min(prefIconRect.y, prefTextRect.y);
         int y2 = Math.max(prefIconRect.y + prefIconRect.height,
                           prefTextRect.y + prefTextRect.height);
         int width = x2 - x1;
         int height = y2 - y1;

         prefInsets = b.getInsets(prefInsets);
         width += prefInsets.left + prefInsets.right;
         height += prefInsets.top + prefInsets.bottom;
         return new Dimension(width, height);
     }
 }
	/*
	* 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 java.awt.*;
	import java.awt.event.*;
	import javax.swing.*;
	import javax.swing.border.*;
	import javax.swing.plaf.*;
	import javax.swing.text.View;
	import sun.swing.SwingUtilities2;
	import sun.awt.AppContext;


	/**
	* RadioButtonUI implementation for BasicRadioButtonUI
	*
	* @author Jeff Dinkins
	*/
	public class BasicRadioButtonUI extends BasicToggleButtonUI
	{
	private static final Object BASIC_RADIO_BUTTON_UI_KEY = new Object();

	protected Icon icon;

	private boolean defaults_initialized = false;

	private final static String propertyPrefix = "RadioButton" + ".";

	// ********************************
	// Create PLAF
	// ********************************
	public static ComponentUI createUI(JComponent b) {
	AppContext appContext = AppContext.getAppContext();
	BasicRadioButtonUI radioButtonUI =
	(BasicRadioButtonUI) appContext.get(BASIC_RADIO_BUTTON_UI_KEY);
	if (radioButtonUI == null) {
	radioButtonUI = new BasicRadioButtonUI();
	appContext.put(BASIC_RADIO_BUTTON_UI_KEY, radioButtonUI);
	}
	return radioButtonUI;
	}

	protected String getPropertyPrefix() {
	return propertyPrefix;
	}

	// ********************************
	// Install PLAF
	// ********************************
	protected void installDefaults(AbstractButton b){
	super.installDefaults(b);
	if(!defaults_initialized) {
	icon = UIManager.getIcon(getPropertyPrefix() + "icon");
	defaults_initialized = true;
	}
	}

	// ********************************
	// Uninstall PLAF
	// ********************************
	protected void uninstallDefaults(AbstractButton b){
	super.uninstallDefaults(b);
	defaults_initialized = false;
	}

	public Icon getDefaultIcon() {
	return icon;
	}


	/* These Dimensions/Rectangles are allocated once for all
	* RadioButtonUI.paint() calls. Re-using rectangles
	* rather than allocating them in each paint call substantially
	* reduced the time it took paint to run. Obviously, this
	* method can't be re-entered.
	*/
	private static Dimension size = new Dimension();
	private static Rectangle viewRect = new Rectangle();
	private static Rectangle iconRect = new Rectangle();
	private static Rectangle textRect = new Rectangle();

	/**
	* paint the radio button
	*/
	public synchronized void paint(Graphics g, JComponent c) {
	AbstractButton b = (AbstractButton) c;
	ButtonModel model = b.getModel();

	Font f = c.getFont();
	g.setFont(f);
	FontMetrics fm = SwingUtilities2.getFontMetrics(c, g, f);

	Insets i = c.getInsets();
	size = b.getSize(size);
	viewRect.x = i.left;
	viewRect.y = i.top;
	viewRect.width = size.width - (i.right + viewRect.x);
	viewRect.height = size.height - (i.bottom + viewRect.y);
	iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;
	textRect.x = textRect.y = textRect.width = textRect.height = 0;

	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.getText() == null ? 0 : 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 {
	paintText(g, b, textRect, text);
	}
	if(b.hasFocus() && b.isFocusPainted() &&
	textRect.width > 0 && textRect.height > 0 ) {
	paintFocus(g, textRect, size);
	}
	}
	}

	protected void paintFocus(Graphics g, Rectangle textRect, Dimension size){
	}


	/* These Insets/Rectangles are allocated once for all
	* RadioButtonUI.getPreferredSize() calls. Re-using rectangles
	* rather than allocating them in each call substantially
	* reduced the time it took getPreferredSize() to run. Obviously,
	* this method can't be re-entered.
	*/
	private static Rectangle prefViewRect = new Rectangle();
	private static Rectangle prefIconRect = new Rectangle();
	private static Rectangle prefTextRect = new Rectangle();
	private static Insets prefInsets = new Insets(0, 0, 0, 0);

	/**
	* The preferred size of the radio button
	*/
	public Dimension getPreferredSize(JComponent c) {
	if(c.getComponentCount() > 0) {
	return null;
	}

	AbstractButton b = (AbstractButton) c;

	String text = b.getText();

	Icon buttonIcon = b.getIcon();
	if(buttonIcon == null) {
	buttonIcon = getDefaultIcon();
	}

	Font font = b.getFont();
	FontMetrics fm = b.getFontMetrics(font);

	prefViewRect.x = prefViewRect.y = 0;
	prefViewRect.width = Short.MAX_VALUE;
	prefViewRect.height = Short.MAX_VALUE;
	prefIconRect.x = prefIconRect.y = prefIconRect.width = prefIconRect.height = 0;
	prefTextRect.x = prefTextRect.y = prefTextRect.width = prefTextRect.height = 0;

	SwingUtilities.layoutCompoundLabel(
	c, fm, text, buttonIcon,
	b.getVerticalAlignment(), b.getHorizontalAlignment(),
	b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
	prefViewRect, prefIconRect, prefTextRect,
	text == null ? 0 : b.getIconTextGap());

	// find the union of the icon and text rects (from Rectangle.java)
	int x1 = Math.min(prefIconRect.x, prefTextRect.x);
	int x2 = Math.max(prefIconRect.x + prefIconRect.width,
	prefTextRect.x + prefTextRect.width);
	int y1 = Math.min(prefIconRect.y, prefTextRect.y);
	int y2 = Math.max(prefIconRect.y + prefIconRect.height,
	prefTextRect.y + prefTextRect.height);
	int width = x2 - x1;
	int height = y2 - y1;

	prefInsets = b.getInsets(prefInsets);
	width += prefInsets.left + prefInsets.right;
	height += prefInsets.top + prefInsets.bottom;
	return new Dimension(width, height);
	}
	}