grid: fix placement of emissions crossing the midnight line

panikweb/views.py

@@ -85,11 +85,9 @@ class Grid(TemplateView):
             day_no = schedule.get_weekday()
 
             for step in range(int(math.ceil(schedule.emission.duration / 30))):
-                if grid[row_start+step][day_no] is None:
-                    print 'creating a time cell at', row_start+step, day_no
-                    grid[row_start+step][day_no] = TimeCell()
-                grid[row_start+step][day_no].add_emission(schedule.emission)
-
+                if grid[(row_start+step)%nb_lines][day_no] is None:
+                    grid[(row_start+step)%nb_lines][day_no] = TimeCell()
+                grid[(row_start+step)%nb_lines][day_no].add_emission(schedule.emission)
 
         # start grid at 5am
         grid = grid[2*5:] + grid[:2*5]