/**
* Draw the lines connecting fields on the desktop. These lines represent super-/subfield
* relations.
*
* @param g The Graphics context on which to draw the lines
* @see #linesLayer
*/
private void drawLines(Graphics g) {
java.awt.Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(
java.awt.RenderingHints.KEY_ANTIALIASING, java.awt.RenderingHints.VALUE_ANTIALIAS_ON);
final Point Q = getCenterLocation(QLabel);
for (int i = 0; i < towers.size(); i++) {
Tower t = (Tower) towers.get(i);
g2.setColor(COLORS[i % COLORS.length]);
boolean bottom = false;
for (int j = 0; j < t.floors.size(); j++) {
if (j == t.floors.size() - 1) bottom = true;
Tower.Floor f = (Tower.Floor) t.getFloor(j);
// iterate over all fields this floor
Component[] fields = f.getComponents();
for (int k = 0; k < fields.length; k++) {
NumberField a = (NumberField) fields[k]; // line origin
Point p1 = getCenterLocation(a.getCenterComponent()); // get center
for (int l = 0; l < towers.size(); l++) {
if (i == l) // use different colors for drawing within/without towers
g2.setStroke(IN_LINE);
else g2.setStroke(OUT_LINE);
Tower t2 = (Tower) towers.get(l);
// pen color changes according to destination tower
// that way all 'sets of subsets' are monochrome
// g2.setColor(COLORS[l % COLORS.length]);
floors:
for (int m = 0; m < t2.floors.size(); m++) {
Tower.Floor f2 = (Tower.Floor) t2.getFloor(m);
// iterate over all fields this floor
boolean done = false;
Component[] fields2 = f2.getComponents();
for (int n = 0; n < fields2.length; n++) {
NumberField b = (NumberField) fields2[n]; // line destination
if (i == l & j == m) { // we are within a floor{
if (k == n) ; // do nothing (don't draw to yourself)
else { // to do, maybe have different lines for isomorphy?
Point p2 = getCenterLocation(b.getCenterComponent()); // get center
g2.drawLine(p1.x, p1.y, p2.x, p2.y);
done = true;
}
} else if (a.hasSubfield(b) && !a.subfieldHasProperSubfield(b)) {
Point p2 = getCenterLocation(b.getCenterComponent()); // get center
g2.drawLine(p1.x, p1.y, p2.x, p2.y);
done = true;
}
}
// go to the next tower; only need to draw to ONE floor per tower
if (done) break floors;
}
}
if (bottom && a.hasNoProperSubfields()) { // bottom of tower, no lines out of tower...
g2.setColor(COLORS[i % COLORS.length]);
g2.setStroke(IN_LINE);
g2.drawLine(p1.x, p1.y, Q.x, Q.y); // then draw to Q!
}
}
}
}
}
