public boolean action(Event e, Object o) {
// Handle user selection of menu items.
if (e.target instanceof MenuItem) {
if (o.equals("Exit")) t.exit(0);
if (o.equals("Query results")) redrawRect(200);
if (o.equals("All")) redrawRect(199);
else if (o.equals("Level 0")) redrawRect(0);
else if (o.equals("Level 1")) redrawRect(1);
else if (o.equals("Level 2")) redrawRect(2);
else if (o.equals("Level 3")) redrawRect(3);
else if (o.equals("Level 4")) redrawRect(4);
else if (o.equals("Level 5")) redrawRect(5);
else if (o.equals("Range query")) showQueryDlg(Constants.RANGEQUERY);
else if (o.equals("Point query")) showQueryDlg(Constants.POINTQUERY);
else if (o.equals("Circle query")) showQueryDlg(Constants.CIRCLEQUERY);
else if (o.equals("Ring query")) showQueryDlg(Constants.RINGQUERY);
else if (o.equals("Constraints query")) showQueryDlg(Constants.CONSTQUERY);
} else return super.action(e, o);
return true;
}
public boolean handleEvent(Event e) {
if (e.id == Event.WINDOW_DESTROY && e.target == this) t.exit(0);
return super.handleEvent(e);
}
private void redrawRect(int level) {
// redraw the canvas if display level is changed.
t.displaylevel = level;
framedArea.area.repaint();
label.setText("Current display level: " + t.displaylevel);
}