int w = getWidth();
int h = getHeight();
if (isOpaque()) {
g.setColor(getBackground());
g.fillRect(0, 0, w, h);
}
boolean isPressed = getModel().isPressed();
Color lead = (isPressed) ? darkShadow : lightShadow;
Color trail = (isPressed) ? lightShadow : darkShadow;
Color fill = getBackground();
int cx = w / 2;
int cy = h / 2;
int s = Math.min(w, h);
switch (direction) {
case NORTH:
g.setColor(lead);
g.drawLine(cx, 0, cx, 0);
for (int x = cx - 1, y = 1, dx = 1; y <= s - 2; y += 2) {
g.setColor(lead);
g.drawLine(x, y, x, y);
if (y >= (s - 2)) {
g.drawLine(x, y + 1, x, y + 1);
}
g.setColor(fill);
g.drawLine(x + 1, y, x + dx, y);
if (y < (s - 2)) {
g.drawLine(x, y + 1, x + dx + 1, y + 1);
}
g.setColor(trail);
g.drawLine(x + dx + 1, y, x + dx + 1, y);
if (y >= (s - 2)) {
g.drawLine(x + 1, y + 1, x + dx + 1, y + 1);
}
dx += 2;
x -= 1;
}
break;
case SOUTH:
g.setColor(trail);
g.drawLine(cx, s, cx, s);
for (int x = cx - 1, y = s - 1, dx = 1; y >= 1; y -= 2) {
g.setColor(lead);
g.drawLine(x, y, x, y);
if (y <= 2) {
g.drawLine(x, y - 1, x + dx + 1, y - 1);
}
g.setColor(fill);
g.drawLine(x + 1, y, x + dx, y);
if (y > 2) {
g.drawLine(x, y - 1, x + dx + 1, y - 1);
}
g.setColor(trail);
g.drawLine(x + dx + 1, y, x + dx + 1, y);
dx += 2;
x -= 1;
}
break;
case EAST:
g.setColor(lead);
g.drawLine(s, cy, s, cy);
for (int y = cy - 1, x = s - 1, dy = 1; x >= 1; x -= 2) {
g.setColor(lead);
g.drawLine(x, y, x, y);
if (x <= 2) {
g.drawLine(x - 1, y, x - 1, y + dy + 1);
}
g.setColor(fill);
g.drawLine(x, y + 1, x, y + dy);
if (x > 2) {
g.drawLine(x - 1, y, x - 1, y + dy + 1);
}
g.setColor(trail);
g.drawLine(x, y + dy + 1, x, y + dy + 1);
dy += 2;
y -= 1;
}
break;
case WEST:
g.setColor(trail);
g.drawLine(0, cy, 0, cy);
for (int y = cy - 1, x = 1, dy = 1; x <= s - 2; x += 2) {
g.setColor(lead);
g.drawLine(x, y, x, y);
if (x >= (s - 2)) {
g.drawLine(x + 1, y, x + 1, y);
}
g.setColor(fill);
g.drawLine(x, y + 1, x, y + dy);
if (x < (s - 2)) {
g.drawLine(x + 1, y, x + 1, y + dy + 1);
}
g.setColor(trail);
g.drawLine(x, y + dy + 1, x, y + dy + 1);
if (x >= (s - 2)) {
g.drawLine(x + 1, y + 1, x + 1, y + dy + 1);
}
dy += 2;
y -= 1;
}
break;
}
