private void RecomputeGrid()
{
if (gridSize.Width < 200)
{
return;
}
var newGridViewDivision = GetDevisionForWidth(gridSize.Width);
var slotLengthInSeconds = GetSlotLengthInSeconds(newGridViewDivision);
var timeSlotDuration = new Duration(timeSlotEnd, timeSlotStart);
var excactTimeSlotCount = (double)timeSlotDuration.Seconds / slotLengthInSeconds;
int roundedTimeSlotCount = (int)Math.Floor(excactTimeSlotCount);
var timeSlotWidth = gridSize.Width / excactTimeSlotCount;
if (newGridViewDivision != gridViewDivisionState || TimeSlotLabels.Count == 0)
{
gridViewDivisionState = newGridViewDivision;
CreateGridDrawing(roundedTimeSlotCount, excactTimeSlotCount,
slotLengthInSeconds, timeSlotWidth);
}
else
{
UpdateGridDrawing(roundedTimeSlotCount, excactTimeSlotCount, timeSlotWidth);
}
}
private static uint GetSlotLengthInSeconds(GridViewDivisionState gridViewDivisionState)
{
switch (gridViewDivisionState)
{
case GridViewDivisionState.QuarterHours: return(900);
case GridViewDivisionState.HalfHours: return(1800);
case GridViewDivisionState.Hours: return(3600);
case GridViewDivisionState.TwoHours: return(7200);
}
throw new ArgumentException();
}