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/*
* @(#)QuaquaRadioButtonUI.java
*
* Copyright (c) 2005-2010 Werner Randelshofer, Immensee, Switzerland.
* All rights reserved.
*
* You may not use, copy or modify this file, except in compliance with the
* license agreement you entered into with Werner Randelshofer.
* For details see accompanying license terms.
*/
package ch.randelshofer.quaqua;
import ch.randelshofer.quaqua.util.*;
import ch.randelshofer.quaqua.util.Debug;
import java.awt.*;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import java.beans.*;
import java.util.Enumeration;
import javax.swing.text.View;
/**
* QuaquaRadioButtonUI.
*
* @author Werner Randelshofer
* @version $Id: QuaquaRadioButtonUI.java 361 2010-11-21 11:19:20Z wrandelshofer $
*/
public class QuaquaRadioButtonUI extends BasicRadioButtonUI implements VisuallyLayoutable {
private final static QuaquaRadioButtonUI checkboxUI = new QuaquaRadioButtonUI();
private final static PropertyChangeHandler propertyChangeListener = new PropertyChangeHandler();
protected Icon smallIcon;
private boolean defaults_initialized = false;
/* 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 viewR = new Rectangle();
private static Rectangle iconR = new Rectangle();
private static Rectangle textR = new Rectangle();
private static Insets viewInsets = new Insets(0, 0, 0, 0);
/**
* Preferred spacing between radio buttons and other components.
*/
private final static Insets regularSpacing = new Insets(6, 6, 6, 6);
private final static Insets smallSpacing = new Insets(6, 6, 6, 6);
private final static Insets miniSpacing = new Insets(5, 5, 5, 5);
public static ComponentUI createUI(JComponent b) {
return checkboxUI;
}
// ********************************
// Install PLAF
// ********************************
@Override
protected void installDefaults(AbstractButton b) {
super.installDefaults(b);
if (!defaults_initialized) {
smallIcon = UIManager.getIcon(getPropertyPrefix() + "smallIcon");
defaults_initialized = true;
}
QuaquaUtilities.installProperty(b, "opaque", UIManager.get("RadioButton.opaque"));
//b.setOpaque(false);
b.setRequestFocusEnabled(UIManager.getBoolean("RadioButton.requestFocusEnabled"));
b.setFocusable(UIManager.getBoolean("RadioButton.focusable"));
updateFocusableState(b);
}
// ********************************
// Uninstall PLAF
// ********************************
@Override
protected void uninstallDefaults(AbstractButton b) {
super.uninstallDefaults(b);
defaults_initialized = false;
}
@Override
protected void installListeners(AbstractButton b) {
super.installListeners(b);
b.addPropertyChangeListener(propertyChangeListener);
b.addItemListener(propertyChangeListener);
}
@Override
protected void uninstallListeners(AbstractButton b) {
super.uninstallListeners(b);
b.removePropertyChangeListener(propertyChangeListener);
b.removeItemListener(propertyChangeListener);
}
public Icon getDefaultIcon(JComponent c) {
return (c.getFont().getSize() <= 11) ? smallIcon : icon;
}
@Override
protected BasicButtonListener createButtonListener(AbstractButton b) {
return new QuaquaButtonListener(b);
}
@Override
public void paint(Graphics g, JComponent c) {
Object oldHints = QuaquaUtilities.beginGraphics((Graphics2D) g);
AbstractButton b = (AbstractButton) c;
ButtonModel model = b.getModel();
Font f = c.getFont();
g.setFont(f);
FontMetrics fm = g.getFontMetrics();
Insets i = getInsets(b, viewInsets);
size = b.getSize(size);
viewR.x = i.left;
viewR.y = i.top;
viewR.width = size.width - (i.right + viewR.x);
viewR.height = size.height - (i.bottom + viewR.y);
iconR.x = iconR.y = iconR.width = iconR.height = 0;
textR.x = textR.y = textR.width = textR.height = 0;
Icon altIcon = b.getIcon();
Icon selectedIcon = null;
Icon disabledIcon = null;
String text = layoutCL(
b, fm, b.getText(), altIcon != null ? altIcon : getDefaultIcon(c),
viewR, iconR, textR);
// 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 = (Icon) b.getRolloverSelectedIcon();
if (altIcon == null) {
altIcon = (Icon) b.getSelectedIcon();
}
} else {
altIcon = (Icon) b.getSelectedIcon();
}
} else if (b.isRolloverEnabled() && model.isRollover()) {
altIcon = (Icon) b.getRolloverIcon();
}
if (altIcon == null) {
altIcon = b.getIcon();
}
altIcon.paintIcon(c, g, iconR.x, iconR.y);
} else {
Icon defaultIcon = getDefaultIcon(c);
if (defaultIcon != null) {
// Visually adjust the vertical position of the icon, if the
// "Small" style is used.
if (f.getSize() <= 11) {
iconR.y -= 1;
}
defaultIcon.paintIcon(c, g, iconR.x, iconR.y);
}
}
// Draw the Text
if (text != null) {
View v = (View) c.getClientProperty(BasicHTML.propertyKey);
if (v != null) {
v.paint(g, textR);
} else {
paintText(g, b, textR, text);
if (b.hasFocus() && b.isFocusPainted()
&& textR.width > 0 && textR.height > 0) {
paintFocus(g, textR, size);
}
}
}
QuaquaUtilities.endGraphics((Graphics2D) g, oldHints);
Debug.paint(g, c, this);
}
@Override
protected void paintFocus(Graphics g, Rectangle textR, Dimension size) {
}
/**
* The preferred size of the radio button
*/
@Override
public Dimension getPreferredSize(JComponent c) {
if (c.getComponentCount() > 0) {
return null;
}
AbstractButton b = (AbstractButton) c;
String text = b.getText();
Icon buttonIcon = (Icon) b.getIcon();
if (buttonIcon == null) {
buttonIcon = getDefaultIcon(c);
}
Font font = b.getFont();
FontMetrics fm = c.getFontMetrics(font);
viewR.x = viewR.y = 0;
viewR.width = Short.MAX_VALUE;
viewR.height = Short.MAX_VALUE;
iconR.x = iconR.y = iconR.width = iconR.height = 0;
textR.x = textR.y = textR.width = textR.height = 0;
layoutCL(
b, fm, text, buttonIcon,
viewR, iconR, textR);
// find the union of the icon and text rects (from Rectangle.java)
int x1 = Math.min(iconR.x, textR.x);
int x2 = Math.max(iconR.x + iconR.width,
textR.x + textR.width);
int y1 = Math.min(iconR.y, textR.y);
int y2 = Math.max(iconR.y + iconR.height,
textR.y + textR.height);
int width = x2 - x1;
int height = y2 - y1;
viewInsets = getInsets(b, viewInsets);
width += viewInsets.left + viewInsets.right;
height += viewInsets.top + viewInsets.bottom;
return new Dimension(width, height);
}
/**
* Workaround for Matisse GUI builder.
*/
private Insets getInsets(AbstractButton b, Insets i) {
i = b.getInsets(i);
if (UIManager.getBoolean("RadioButton.enforceVisualMargin")) {
Insets vmargin = UIManager.getInsets("Component.visualMargin");
i.left = Math.max(i.left, vmargin.left);
i.top = Math.max(i.top, vmargin.top);
i.bottom = Math.max(i.bottom, vmargin.bottom);
i.right = Math.max(i.right, vmargin.right);
}
return i;
}
/**
* Method which renders the text of the current button.
*
* @param g Graphics context
* @param b Current button to render
* @param textR Bounding rectangle to render the text.
* @param text String to render
* @since 1.4
*/
@Override
protected void paintText(Graphics g, AbstractButton b, Rectangle textR, String text) {
ButtonModel model = b.getModel();
FontMetrics fm = g.getFontMetrics();
int mnemonicIndex = Methods.invokeGetter(b, "getDisplayedMnemonicIndex", -1);
/* Draw the Text */
if (model.isEnabled()) {
/*** paint the text normally */
g.setColor(b.getForeground());
} else {
Color c = UIManager.getColor("RadioButton.disabledForeground");
g.setColor((c != null) ? c : b.getForeground());
}
QuaquaUtilities.drawStringUnderlineCharAt(g, text, mnemonicIndex,
textR.x + getTextShiftOffset(),
textR.y + fm.getAscent() + getTextShiftOffset());
}
/**
* This inner class is marked "public" due to a compiler bug.
* This class should be treated as a "protected" inner class.
* Instantiate it only within subclasses of BasicTabbedPaneUI.
*/
public static class PropertyChangeHandler implements PropertyChangeListener, ItemListener {
public void propertyChange(PropertyChangeEvent evt) {
String name = evt.getPropertyName();
AbstractButton src = (AbstractButton) evt.getSource();
if (name.equals("Frame.active") && src.isSelected()) {
src.repaint();
} else if (name.equals("JComponent.sizeVariant")) {
QuaquaUtilities.applySizeVariant(src);
}
}
public void itemStateChanged(ItemEvent evt) {
AbstractButton src = (AbstractButton) evt.getSource();
updateFocusableState(src);
}
}
/**
* Forwards the call to SwingUtilities.layoutCompoundLabel().
* This method is here so that a subclass could do Label specific
* layout and to shorten the method name a little.
*
* @see SwingUtilities#layoutCompoundLabel
*/
protected String layoutCL(
AbstractButton c,
FontMetrics fontMetrics,
String text,
Icon icon,
Rectangle viewR,
Rectangle iconR,
Rectangle textR) {
String clippedText = SwingUtilities.layoutCompoundLabel(
c,
fontMetrics,
text,
icon,
c.getVerticalAlignment(),
c.getHorizontalAlignment(),
c.getVerticalTextPosition(),
c.getHorizontalTextPosition(),
viewR,
iconR,
textR,
Methods.invokeGetter(c, "getIconTextGap", 4));
if (fontMetrics.getHeight() >= 13) {
iconR.y -= 1; // Shift the icon up by one pixel
}
return clippedText;
}
@Override
public int getBaseline(JComponent c, int width, int height) {
Rectangle vb = getVisualBounds(c, VisuallyLayoutable.TEXT_BOUNDS, width, height);
return (vb == null) ? -1 : vb.y + vb.height;
}
public Rectangle getVisualBounds(JComponent c, int type, int width, int height) {
Rectangle rect = new Rectangle(0, 0, width, height);
if (type == VisuallyLayoutable.CLIP_BOUNDS) {
return rect;
}
AbstractButton b = (AbstractButton) c;
String text = b.getText();
Icon icon = (b.isEnabled()) ? b.getIcon() : b.getDisabledIcon();
if (icon == null) {
icon = getDefaultIcon(b);
}
if ((icon == null) && (text == null)) {
return rect;
}
FontMetrics fm = c.getFontMetrics(c.getFont());
Insets insets = getInsets(b, viewInsets);
viewR.x = insets.left;
viewR.y = insets.top;
viewR.width = width - (insets.left + insets.right);
viewR.height = height - (insets.top + insets.bottom);
iconR.x = iconR.y = iconR.width = iconR.height = 0;
textR.x = textR.y = textR.width = textR.height = 0;
String clippedText =
layoutCL(b, fm, text, icon, viewR, iconR, textR);
Rectangle textBounds = Fonts.getPerceivedBounds(text, c.getFont(), c);
int ascent = fm.getAscent();
textR.x += textBounds.x;
textR.width = textBounds.width;
textR.y += ascent + textBounds.y;
textR.height = textBounds.height;
// Determine rect rectangle
switch (type) {
case VisuallyLayoutable.COMPONENT_BOUNDS:
rect = textR.union(iconR);
break;
case VisuallyLayoutable.TEXT_BOUNDS:
rect.setBounds(textR);
break;
}
return rect;
}
public static void updateFocusableState(AbstractButton button) {
if (UIManager.getBoolean("Button.focusable") && !UIManager.getBoolean("Button.requestFocusEnabled")) {
ButtonModel model = button.getModel();
if (model instanceof DefaultButtonModel) {
/*ButtonGroup grp = ((DefaultButtonModel) model).getGroup();
if (grp != null) {
for (Enumeration i=grp.getElements();i.hasMoreElements();){
AbstractButton btn=i.nextElement();
btn.setFocusable(btn.isSelected());
}
}*/
button.setFocusable(button.isSelected());
}
}
}
}