/**
* Draws a visualization tooltip.
*
* @param g graphics reference
* @param tt tooltip label
* @param x horizontal position
* @param y vertical position
* @param w width
* @param c color color depth
*/
public static void drawTooltip(
final Graphics g, final String tt, final int x, final int y, final int w, final int c) {
final int tw = width(g, tt);
final int th = g.getFontMetrics().getHeight();
final int xx = Math.min(w - tw - 8, x);
g.setColor(color(c));
g.fillRect(xx - 1, y - th, tw + 4, th);
g.setColor(BACK);
g.drawString(tt, xx, y - 4);
}
/**
* Draws a colored cell.
*
* @param g graphics reference
* @param xs horizontal start position
* @param xe horizontal end position
* @param ys vertical start position
* @param ye vertical end position
* @param focus highlighting flag
*/
public static void drawCell(
final Graphics g,
final int xs,
final int xe,
final int ys,
final int ye,
final boolean focus) {
g.setColor(gray);
g.drawRect(xs, ys, xe - xs - 1, ye - ys - 1);
g.setColor(BACK);
g.drawRect(xs + 1, ys + 1, xe - xs - 3, ye - ys - 3);
g.setColor(focus ? lgray : BACK);
g.fillRect(xs + 1, ys + 1, xe - xs - 2, ye - ys - 2);
}
@Override
public void paintComponent(final Graphics g) {
super.paintComponent(g);
final int w = getWidth();
final int h = getHeight();
final int hh = h / 2;
final int s = (int) (3 * GUIConstants.SCALE);
g.setColor(hasFocus() ? GUIConstants.BACK : GUIConstants.lgray);
g.fillRect(0, hh - s, w, s * 2 - 1);
g.setColor(GUIConstants.TEXT);
g.drawLine(0, hh - s, w, hh - s);
g.drawLine(0, hh - s, 0, hh + s - 1);
g.setColor(GUIConstants.gray);
g.drawLine(w - 1, hh - s, w - 1, hh + s - 1);
g.drawLine(0, hh + s - 1, w, hh + s - 1);
final double x = (value - min) * (w - SLIDERW) / (max - min);
BaseXLayout.drawCell(g, (int) x, (int) (x + SLIDERW), hh - s * 2, hh + s * 2, oldValue != -1);
}