/**
* 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);
}
