public void MoveCalendarMonths(bool upwards, bool animated)
{
CurrentMonthYear = CurrentMonthYear.AddMonths(upwards? 1 : -1);
UserInteractionEnabled = false;
var gridToMove = CreateNewGrid(CurrentMonthYear);
var pointsToMove = (upwards? 0 + _monthGridView.Lines : 0 - _monthGridView.Lines) * 44;
if (upwards && gridToMove.weekdayOfFirst == 0)
{
pointsToMove += 44;
}
if (!upwards && _monthGridView.weekdayOfFirst == 0)
{
pointsToMove -= 44;
}
gridToMove.Frame = new RectangleF(new PointF(0, pointsToMove), gridToMove.Frame.Size);
_scrollView.AddSubview(gridToMove);
if (animated)
{
UIView.BeginAnimations("changeMonth");
UIView.SetAnimationDuration(0.4);
UIView.SetAnimationDelay(0.1);
UIView.SetAnimationCurve(UIViewAnimationCurve.EaseInOut);
}
_monthGridView.Center = new PointF(_monthGridView.Center.X, _monthGridView.Center.Y - pointsToMove);
gridToMove.Center = new PointF(gridToMove.Center.X, gridToMove.Center.Y - pointsToMove);
_monthGridView.Alpha = 0;
_shadow.Frame = new RectangleF(new PointF(0, gridToMove.Lines * 44 - 88), _shadow.Frame.Size);
_scrollView.Frame = new RectangleF(
_scrollView.Frame.Location,
new SizeF(_scrollView.Frame.Width, (gridToMove.Lines + 1) * 44));
_scrollView.ContentSize = _scrollView.Frame.Size;
SetNeedsDisplay();
if (animated)
{
UIView.CommitAnimations();
}
_monthGridView = gridToMove;
UserInteractionEnabled = true;
}
private void LoadInitialGrids()
{
_monthGridView = CreateNewGrid(CurrentMonthYear);
var rect = _scrollView.Frame;
rect.Size = new SizeF {
Height = (_monthGridView.Lines + 1) * 44, Width = rect.Size.Width
};
_scrollView.Frame = rect;
Frame = new RectangleF(Frame.X, Frame.Y, _scrollView.Frame.Size.Width, _scrollView.Frame.Size.Height + 44);
var imgRect = _shadow.Frame;
imgRect.Y = rect.Size.Height - 132;
_shadow.Frame = imgRect;
}