//#region WeekdayRowBackgroundColor
//public static readonly BindableProperty WeekdayRowBackgroundColorProperty =
// BindableProperty.Create(nameof(WeekdayRowBackgroundColor), typeof(Color), typeof(Calendar), Color.Transparent,
// propertyChanged: (bindable, oldValue, newValue) => (bindable as Calendar).ChangeWeekdayRowBackgroundColor((Color)newValue, (Color)oldValue));
//protected void ChangeWeekdayRowBackgroundColor(Color newValue, Color oldValue)
//{
// if (newValue == oldValue) return;
// if (rows.Count > 0)
// {
// rows.First().Color = newValue;
// }
//}
///// <summary>
///// Gets or sets the background color of the normal dates.
///// </summary>
///// <value>The color of the dates background on the even rows.</value>
//public Color WeekdayRowBackgroundColor
//{
// get { return (Color)GetValue(WeekdayRowBackgroundColorProperty); }
// set { SetValue(WeekdayRowBackgroundColorProperty, value); }
//}
//#endregion
protected void ChangeWeekdays()
{
if (!WeekdaysShow)
{
return;
}
var start = CalendarStartDate(StartDate);
for (int i = 0; i < dayLabels.Count; i++)
{
if (WeekdaysFormat.ToLower() == "d1")
{
dayLabels[i].Text = start.ToString("ddd").Substring(0, 1);
}
else if (WeekdaysFormat.ToLower() == "d2")
{
dayLabels[i].Text = start.ToString("ddd").Substring(0, 2);
}
else
{
dayLabels[i].Text = start.ToString(WeekdaysFormat);
}
start = start.AddDays(1);
}
}
protected void ChangeCalendar(CalendarChanges changes)
{
Device.BeginInvokeOnMainThread(() =>
{
OnStartRenderCalendar?.Invoke(this, EventArgs.Empty);
Content = null;
if (changes.HasFlag(CalendarChanges.StartDate))
{
TitleLabel.Text = StartDate.ToString(TitleLabelFormat);
if (TitleLabels != null)
{
var tls = StartDate.AddMonths(1);
foreach (var tl in TitleLabels)
{
(tl as Label).Text = tls.ToString(TitleLabelFormat);
tls = tls.AddMonths(1);
}
}
}
var start = CalendarStartDate(StartDate).Date;
var beginOfMonth = false;
var endOfMonth = false;
var hideLastRow = false;
for (int i = 0; i < buttons.Count; i++)
{
endOfMonth |= beginOfMonth && start.Day == 1;
beginOfMonth |= start.Day == 1;
if (i < dayLabels.Count && WeekdaysShow && changes.HasFlag(CalendarChanges.StartDay))
{
if (WeekdaysFormat.ToLower() == "d1")
{
dayLabels[i].Text = start.ToString("ddd").Substring(0, 1);
}
else if (WeekdaysFormat.ToLower() == "d2")
{
dayLabels[i].Text = start.ToString("ddd").Substring(0, 2);
}
else
{
dayLabels[i].Text = start.ToString(WeekdaysFormat);
}
}
ChangeWeekNumbers(start, i);
if (changes.HasFlag(CalendarChanges.All))
{
buttons[i].Text = string.Format("{0}", start.Day);
}
else
{
buttons[i].TextWithoutMeasure = string.Format("{0}", start.Day);
}
buttons[i].Date = start;
buttons[i].IsOutOfMonth = !(beginOfMonth && !endOfMonth);
buttons[i].IsEnabled = ShowNumOfMonths == 1 || !buttons[i].IsOutOfMonth;
if (i == 35 && buttons[i].IsOutOfMonth)
{
// this means that we are on the bottom row and none of the dates
// in it belong to the current month we should hide this row
hideLastRow = true;
rows.Last().IsVisible = false;
}
if (i >= 35 && hideLastRow)
{
buttons[i].IsVisible = false;
}
else
{
if (buttons[i].IsOutOfMonth)
{
buttons[i].IsVisible = ShowOutOfMonthDates;
}
else
{
buttons[i].IsVisible = true;
}
rows.Last().IsVisible = true;
}
SpecialDate sd = null;
if (SpecialDates != null)
{
sd = SpecialDates.FirstOrDefault(s => s.Date.Date == start.Date);
}
SetButtonNormal(buttons[i]);
if ((MinDate.HasValue && start < MinDate) || (MaxDate.HasValue && start > MaxDate) || (DisableAllDates && sd == null))
{
SetButtonDisabled(buttons[i]);
}
else if (buttons[i].IsEnabled && SelectedDates.Select(d => d.Date).Contains(start.Date))
{
SetButtonSelected(buttons[i], sd);
}
else if (sd != null)
{
SetButtonSpecial(buttons[i], sd);
}
start = start.AddDays(1);
if (i != 0 && (i + 1) % 42 == 0)
{
beginOfMonth = false;
endOfMonth = false;
start = CalendarStartDate(start);
}
}
if (DisableDatesLimitToMaxMinRange)
{
TitleLeftArrow.IsEnabled = !(MinDate.HasValue && CalendarStartDate(StartDate).Date < MinDate);
TitleRightArrow.IsEnabled = !(MaxDate.HasValue && start > MaxDate);
}
Content = MainView;
OnEndRenderCalendar?.Invoke(this, EventArgs.Empty);
});
}