/**
* A custom JButton that contains only text. A custom background could be set, which will result in
* a round cornered background behind the text. Note that you can also set a semi-transparent
* background. The button also supports a rollover effect.
*
* @author Yana Stamcheva
*/
public class SIPCommTextButton extends JButton {
/** Serial version UID. */
private static final long serialVersionUID = 0L;
/** Class id key used in UIDefaults. */
private static final String UIClassID = "BasicButtonUI";
/** Adds the ui class to UIDefaults. */
static {
UIManager.getDefaults().put(UIClassID, BasicButtonUI.class.getName());
}
private final float[] borderColor = Color.DARK_GRAY.getRGBComponents(null);
private Image bgImage;
/** Creates a <tt>SIPCommTextButton</tt>. */
public SIPCommTextButton() {
this("", null);
}
/**
* Creates a <tt>SIPCommTextButton</tt>
*
* @param text the text of the button
*/
public SIPCommTextButton(String text) {
this(text, null);
}
public SIPCommTextButton(String text, Image bgImage) {
super(text);
this.bgImage = bgImage;
MouseRolloverHandler mouseHandler = new MouseRolloverHandler();
this.addMouseListener(mouseHandler);
this.addMouseMotionListener(mouseHandler);
this.setIcon(null);
this.setIconTextGap(0);
/*
* Explicitly remove all borders that may be set from the current look
* and feel.
*/
this.setContentAreaFilled(false);
}
public void setBgImage(Image image) {
this.bgImage = image;
}
/**
* Return the background image.
*
* @return the background image of this button
*/
public Image getBgImage() {
return bgImage;
}
/**
* Overrides the <code>paintComponent</code> method of <tt>JButton</tt> to paint the button
* background and icon, and all additional effects of this configurable button.
*
* @param g The Graphics object.
*/
@Override
protected void paintComponent(Graphics g) {
Graphics2D g1 = (Graphics2D) g.create();
try {
internalPaintComponent(g1);
} finally {
g1.dispose();
}
super.paintComponent(g);
}
/**
* Paints this button.
*
* @param g the <tt>Graphics</tt> object used for painting
*/
private void internalPaintComponent(Graphics2D g) {
AntialiasingManager.activateAntialiasing(g);
// Paint a roll over fade out.
FadeTracker fadeTracker = FadeTracker.getInstance();
float visibility = this.getModel().isRollover() ? 1.0f : 0.0f;
if (fadeTracker.isTracked(this, FadeKind.ROLLOVER)) {
visibility = fadeTracker.getFade(this, FadeKind.ROLLOVER);
}
visibility /= 2;
if (visibility != 0.0f) {
g.setColor(new Color(borderColor[0], borderColor[1], borderColor[2], visibility));
if (bgImage != null)
g.fillRoundRect(
(this.getWidth() - bgImage.getWidth(null)) / 2,
(this.getHeight() - bgImage.getHeight(null)) / 2,
bgImage.getWidth(null) - 1,
bgImage.getHeight(null) - 1,
20,
20);
else g.fillRoundRect(0, 0, this.getWidth() - 1, this.getHeight() - 1, 20, 20);
}
if (bgImage != null) {
g.drawImage(
bgImage,
(this.getWidth() - bgImage.getWidth(null)) / 2,
(this.getHeight() - bgImage.getHeight(null)) / 2,
null);
} else {
g.setColor(getBackground());
g.fillRoundRect(1, 1, this.getWidth() - 2, this.getHeight() - 2, 20, 20);
}
}
/**
* Returns the name of the L&F class that renders this component.
*
* @return the string "TreeUI"
* @see JComponent#getUIClassID
* @see UIDefaults#getUI
*/
@Override
public String getUIClassID() {
return UIClassID;
}
/**
* The <tt>ButtonRepaintCallback</tt> is charged to repaint this button when the fade animation is
* performed.
*/
private class ButtonRepaintCallback implements FadeTrackerCallback {
public void fadeEnded(FadeKind arg0) {
repaintLater();
}
public void fadePerformed(FadeKind arg0, float arg1) {
repaintLater();
}
private void repaintLater() {
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
SIPCommTextButton.this.repaint();
}
});
}
public void fadeReversed(FadeKind arg0, boolean arg1, float arg2) {}
}
/** Perform a fade animation on mouse over. */
private class MouseRolloverHandler implements MouseListener, MouseMotionListener {
public void mouseMoved(MouseEvent e) {}
public void mouseExited(MouseEvent e) {
if (isEnabled()) {
getModel().setRollover(false);
FadeTracker fadeTracker = FadeTracker.getInstance();
fadeTracker.trackFadeOut(
FadeKind.ROLLOVER, SIPCommTextButton.this, true, new ButtonRepaintCallback());
}
}
public void mouseClicked(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {
if (isEnabled()) {
getModel().setRollover(true);
FadeTracker fadeTracker = FadeTracker.getInstance();
fadeTracker.trackFadeIn(
FadeKind.ROLLOVER, SIPCommTextButton.this, true, new ButtonRepaintCallback());
}
}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
public void mouseDragged(MouseEvent e) {}
}
}
