/// <summary>
/// Informs elements who's selected and who's not, and repaints <see cref="_selectedElementSquare"/>
/// </summary>
private void UpdateSelectionElements()
{
CalendarTimeScaleUnit unitStart = _selectedElementStart as CalendarTimeScaleUnit;
CalendarDayTop topStart = _selectedElementStart as CalendarDayTop;
CalendarDay dayStart = _selectedElementStart as CalendarDay;
CalendarTimeScaleUnit unitEnd = _selectedElementEnd as CalendarTimeScaleUnit;
CalendarDayTop topEnd = _selectedElementEnd as CalendarDayTop;
CalendarDay dayEnd = _selectedElementEnd as CalendarDay;
ClearSelectedComponents();
if (_selectedElementEnd == null || _selectedElementStart == null)
{
return;
}
if (_selectedElementEnd.CompareTo(SelectedElementStart) < 0)
{
//swap
unitStart = _selectedElementEnd as CalendarTimeScaleUnit;
topStart = _selectedElementEnd as CalendarDayTop;
dayStart = _selectedElementEnd as CalendarDay;
unitEnd = SelectedElementStart as CalendarTimeScaleUnit;
topEnd = SelectedElementStart as CalendarDayTop;
dayEnd = _selectedElementStart as CalendarDay;
}
if (unitStart != null && unitEnd != null)
{
bool reached = false;
for (int i = unitStart.Day.Index; !reached; i++)
{
for (int j = (i == unitStart.Day.Index ? unitStart.Index : 0); i < Days.Length && j < Days[i].TimeUnits.Length; j++)
{
CalendarTimeScaleUnit unit = Days[i].TimeUnits[j];
unit.SetSelected(true);
GrowSquare(unit.Bounds);
_selectedElements.Add(unit);
if (unit.Equals(unitEnd))
{
reached = true;
break;
}
}
}
}
else if (topStart != null && topEnd != null)
{
for (int i = topStart.Day.Index; i <= topEnd.Day.Index; i++)
{
CalendarDayTop top = Days[i].DayTop;
top.SetSelected(true);
GrowSquare(top.Bounds);
_selectedElements.Add(top);
}
}
else if (dayStart != null && dayEnd != null)
{
for (int i = dayStart.Index; i <= dayEnd.Index; i++)
{
CalendarDay day = Days[i];
day.SetSelected(true);
GrowSquare(day.Bounds);
_selectedElements.Add(day);
}
}
InvalidateVisual(); // Invalidate(_selectedElementSquare);
}
