/*
* @(#)MetalButtonUI.java 1.40 09/08/10
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.swing.plaf.metal;
import sun.swing.SwingUtilities2;
import sun.awt.AppContext;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.basic.*;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import javax.swing.plaf.*;
/**
* MetalButtonUI implementation
* <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}.
*
* @version 1.40 08/10/09
* @author Tom Santos
*/
public class MetalButtonUI extends BasicButtonUI {
// NOTE: These are not really needed, but at this point we can't pull
// them. Their values are updated purely for historical reasons.
protected Color focusColor;
protected Color selectColor;
protected Color disabledTextColor;
private static final Object METAL_BUTTON_UI_KEY = new Object();
// ********************************
// Create PLAF
// ********************************
public static ComponentUI createUI(JComponent c) {
AppContext appContext = AppContext.getAppContext();
MetalButtonUI metalButtonUI =
(MetalButtonUI) appContext.get(METAL_BUTTON_UI_KEY);
if (metalButtonUI == null) {
metalButtonUI = new MetalButtonUI();
appContext.put(METAL_BUTTON_UI_KEY, metalButtonUI);
}
return metalButtonUI;
}
// ********************************
// Install
// ********************************
public void installDefaults(AbstractButton b) {
super.installDefaults(b);
}
public void uninstallDefaults(AbstractButton b) {
super.uninstallDefaults(b);
}
// ********************************
// Create Listeners
// ********************************
protected BasicButtonListener createButtonListener(AbstractButton b) {
return super.createButtonListener(b);
}
// ********************************
// Default Accessors
// ********************************
protected Color getSelectColor() {
selectColor = UIManager.getColor(getPropertyPrefix() + "select");
return selectColor;
}
protected Color getDisabledTextColor() {
disabledTextColor = UIManager.getColor(getPropertyPrefix() +
"disabledText");
return disabledTextColor;
}
protected Color getFocusColor() {
focusColor = UIManager.getColor(getPropertyPrefix() + "focus");
return focusColor;
}
// ********************************
// Paint
// ********************************
/**
* If necessary paints the background of the component, then
* invokes <code>paint</code>.
*
* @param g Graphics to paint to
* @param c JComponent painting on
* @throws NullPointerException if <code>g</code> or <code>c</code> is
* null
* @see javax.swing.plaf.ComponentUI#update
* @see javax.swing.plaf.ComponentUI#paint
* @since 1.5
*/
public void update(Graphics g, JComponent c) {
AbstractButton button = (AbstractButton)c;
if ((c.getBackground() instanceof UIResource) &&
button.isContentAreaFilled() && c.isEnabled()) {
ButtonModel model = button.getModel();
if (!MetalUtils.isToolBarButton(c)) {
if (!model.isArmed() && !model.isPressed() &&
MetalUtils.drawGradient(
c, g, "Button.gradient", 0, 0, c.getWidth(),
c.getHeight(), true)) {
paint(g, c);
return;
}
}
else if (model.isRollover() && MetalUtils.drawGradient(
c, g, "Button.gradient", 0, 0, c.getWidth(),
c.getHeight(), true)) {
paint(g, c);
return;
}
}
super.update(g, c);
}
protected void paintButtonPressed(Graphics g, AbstractButton b) {
if ( b.isContentAreaFilled() ) {
Dimension size = b.getSize();
g.setColor(getSelectColor());
g.fillRect(0, 0, size.width, size.height);
}
}
protected void paintFocus(Graphics g, AbstractButton b,
Rectangle viewRect, Rectangle textRect, Rectangle iconRect){
Rectangle focusRect = new Rectangle();
String text = b.getText();
boolean isIcon = b.getIcon() != null;
// If there is text
if ( text != null && !text.equals( "" ) ) {
if ( !isIcon ) {
focusRect.setBounds( textRect );
}
else {
focusRect.setBounds( iconRect.union( textRect ) );
}
}
// If there is an icon and no text
else if ( isIcon ) {
focusRect.setBounds( iconRect );
}
g.setColor(getFocusColor());
g.drawRect((focusRect.x-1), (focusRect.y-1),
focusRect.width+1, focusRect.height+1);
}
protected void paintText(Graphics g, JComponent c, Rectangle textRect, String text) {
AbstractButton b = (AbstractButton) c;
ButtonModel model = b.getModel();
FontMetrics fm = SwingUtilities2.getFontMetrics(c, g);
int mnemIndex = b.getDisplayedMnemonicIndex();
/* Draw the Text */
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());
}
}