/**
* Updates painted label layout and returns clipped or full label text.
*
* @param label label to process
* @param fm label font metrics
* @param width label width
* @param height label height
* @return clipped or full label text
*/
protected String layout(final E label, final FontMetrics fm, final int width, final int height) {
final Insets insets = label.getInsets(null);
final String text = label.getText();
final Icon icon = (label.isEnabled()) ? label.getIcon() : label.getDisabledIcon();
final Rectangle paintViewR = new Rectangle();
paintViewR.x = insets.left;
paintViewR.y = insets.top;
paintViewR.width = width - (insets.left + insets.right);
paintViewR.height = height - (insets.top + insets.bottom);
paintIconR.x = paintIconR.y = paintIconR.width = paintIconR.height = 0;
paintTextR.x = paintTextR.y = paintTextR.width = paintTextR.height = 0;
return layoutCL(label, fm, text, icon, paintViewR, paintIconR, paintTextR);
}
/** {@inheritDoc} */
@Override
public void paint(final Graphics2D g2d, final Rectangle bounds, final E label) {
// Applying graphics settings
final Composite oc = LafUtils.setupAlphaComposite(g2d, transparency, transparency != null);
final Map textHints =
drawShade ? StyleConstants.defaultTextRenderingHints : StyleConstants.textRenderingHints;
final Font oldFont = LafUtils.setupFont(g2d, label.getFont());
final Map oldHints = SwingUtils.setupTextAntialias(g2d, textHints);
// Retrieving icon & text
final String text = label.getText();
final Icon icon = (label.isEnabled()) ? label.getIcon() : label.getDisabledIcon();
// Painting background
if (backgroundPainter != null) {
backgroundPainter.paint(g2d, bounds, label);
}
// We don't need to go futher if there is not icon/text
if (icon == null && text == null) {
return;
}
final FontMetrics fm = label.getFontMetrics(label.getFont());
final String clippedText = layout(label, fm, label.getWidth(), label.getHeight());
if (icon != null) {
icon.paintIcon(label, g2d, paintIconR.x, paintIconR.y);
}
if (text != null) {
final View v = (View) label.getClientProperty(BasicHTML.propertyKey);
if (v != null) {
// Painting HTML label view
v.paint(g2d, paintTextR);
} else {
// Painting plain label view
final int textX = paintTextR.x;
final int textY = paintTextR.y + fm.getAscent();
if (label.isEnabled()) {
paintEnabledText(label, g2d, clippedText, textX, textY);
} else {
paintDisabledText(label, g2d, clippedText, textX, textY);
}
}
}
SwingUtils.restoreTextAntialias(g2d, oldHints);
LafUtils.restoreFont(g2d, oldFont);
LafUtils.restoreComposite(g2d, oc, transparency != null);
}
/** {@inheritDoc} */
@Override
public Dimension getPreferredSize(final E label) {
final String text = label.getText();
final Icon icon = (label.isEnabled()) ? label.getIcon() : label.getDisabledIcon();
final Insets insets = label.getInsets(null);
final Font font = label.getFont();
final int dx = insets.left + insets.right;
final int dy = insets.top + insets.bottom;
if ((icon == null) && ((text == null) || ((text != null) && (font == null)))) {
return new Dimension(dx, dy);
} else if ((text == null) || ((icon != null) && (font == null))) {
return new Dimension(icon.getIconWidth() + dx, icon.getIconHeight() + dy);
} else {
final FontMetrics fm = label.getFontMetrics(font);
final Rectangle iconR = new Rectangle();
final Rectangle textR = new Rectangle();
final Rectangle viewR = new Rectangle();
iconR.x = iconR.y = iconR.width = iconR.height = 0;
textR.x = textR.y = textR.width = textR.height = 0;
viewR.x = dx;
viewR.y = dy;
viewR.width = viewR.height = Short.MAX_VALUE;
layoutCL(label, fm, text, icon, viewR, iconR, textR);
final int x1 = Math.min(iconR.x, textR.x);
final int x2 = Math.max(iconR.x + iconR.width, textR.x + textR.width);
final int y1 = Math.min(iconR.y, textR.y);
final int y2 = Math.max(iconR.y + iconR.height, textR.y + textR.height);
final Dimension rv = new Dimension(x2 - x1, y2 - y1);
rv.width += dx;
rv.height += dy;
return rv;
}
}