/**
* Paint a background for all groups and a round blue border and background when a cell is
* selected.
*
* @param g2 the <tt>Graphics2D</tt> object through which we paint
*/
private void internalPaintComponent(Graphics2D g2) {
Color borderColor = Color.GRAY;
if (isSelected) {
g2.setPaint(
new GradientPaint(
0, 0, Constants.SELECTED_COLOR, 0, getHeight(), Constants.SELECTED_GRADIENT_COLOR));
borderColor = Constants.SELECTED_COLOR;
} else if (treeNode instanceof GroupNode) {
g2.setPaint(
new GradientPaint(
0,
0,
Constants.CONTACT_LIST_GROUP_BG_GRADIENT_COLOR,
0,
getHeight(),
Constants.CONTACT_LIST_GROUP_BG_COLOR));
borderColor = Constants.CONTACT_LIST_GROUP_BG_COLOR;
}
g2.fillRect(0, 0, getWidth(), getHeight());
g2.setColor(borderColor);
g2.drawLine(0, 0, getWidth(), 0);
g2.drawLine(0, getHeight() - 1, getWidth(), getHeight() - 1);
}
/**
* Draw the icon at the specified location. Paints this component as an icon.
*
* @param c the component which can be used as observer
* @param g the <tt>Graphics</tt> object used for painting
* @param x the position on the X coordinate
* @param y the position on the Y coordinate
*/
public void paintIcon(Component c, Graphics g, int x, int y) {
g = g.create();
try {
Graphics2D g2 = (Graphics2D) g;
AntialiasingManager.activateAntialiasing(g2);
g2.setColor(Color.WHITE);
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.8f));
g2.fillRoundRect(x, y, getIconWidth() - 1, getIconHeight() - 1, 10, 10);
g2.setColor(Color.DARK_GRAY);
g2.drawRoundRect(x, y, getIconWidth() - 1, getIconHeight() - 1, 10, 10);
// Indent component content from the border.
g2.translate(x + 5, y + 5);
super.paint(g2);
g2.translate(x, y);
} finally {
g.dispose();
}
}