protected void SetButton(CalendarButton b, bool isFirst = false, bool isLast = false)
{
if (!SelectedDates.Contains(b.Date.Value.Date))
{
SelectedDates.Add(b.Date.Value.Date);
}
var spD = SpecialDates?.FirstOrDefault(s => s.Date.Date == b.Date.Value.Date);
SetButtonSelected(b, spD, isFirst, isLast);
}
protected void ResetButton(CalendarButton b)
{
if (b.Date.HasValue)
{
SelectedDates?.Remove(b.Date.Value.Date);
}
var spD = SpecialDates?.FirstOrDefault(s => s.Date.Date == b.Date.Value.Date);
SetButtonNormal(b);
if (spD != null)
{
SetButtonSpecial(b, spD);
}
}
protected void SetButtonNormal(CalendarButton button)
{
button.BackgroundPattern = null;
button.BackgroundImage = null;
Device.BeginInvokeOnMainThread(() =>
{
button.IsEnabled = true;
button.IsSelected = false;
button.FontSize = DatesFontSize;
button.BorderWidth = BorderWidth;
button.BorderColor = BorderColor;
button.FontFamily = button.IsOutOfMonth? DatesFontFamilyOutsideMonth : DatesFontFamily;
button.BackgroundColor = button.IsOutOfMonth ? DatesBackgroundColorOutsideMonth : DatesBackgroundColor;
button.TextColor = button.IsOutOfMonth ? DatesTextColorOutsideMonth : DatesTextColor;
button.FontAttributes = button.IsOutOfMonth ? DatesFontAttributesOutsideMonth : DatesFontAttributes;
button.IsEnabled = ShowNumOfMonths == 1 || !button.IsOutOfMonth;
});
}
protected void SetButtonSelected(CalendarButton button, SpecialDate special, bool first = false, bool last = false)
{
Device.BeginInvokeOnMainThread(() =>
{
button.BackgroundPattern = special != null ? special.BackgroundPattern : null;
if (first)
{
button.BackgroundImage = special != null ? special.BackgroundImage : FirstSelectedBackgroundImage != null ? FirstSelectedBackgroundImage : null;
}
else if (last)
{
button.BackgroundImage = special != null ? special.BackgroundImage : LastSelectedBackgroundImage != null ? LastSelectedBackgroundImage : null;
}
else
{
if (SelectedDates.Count == 1)
{
button.BackgroundImage = special != null ? special.BackgroundImage : SelectedBackgroundImage != null? SelectedBackgroundImage : null;
}
else
{
button.BackgroundImage = special != null ? special.BackgroundImage : SelectedBackgroundImage != null ? SelectedRangeBackgroundImage : null;
}
}
var defaultBackgroundColor = button.IsOutOfMonth ? DatesBackgroundColorOutsideMonth : DatesBackgroundColor;
var defaultTextColor = button.IsOutOfMonth ? DatesTextColorOutsideMonth : DatesTextColor;
var defaultFontAttributes = button.IsOutOfMonth ? DatesFontAttributesOutsideMonth : DatesFontAttributes;
var defaultFontFamily = button.IsOutOfMonth ? DatesFontFamilyOutsideMonth : DatesFontFamily;
button.IsEnabled = true;
button.IsSelected = true;
button.VerticalOptions = LayoutOptions.FillAndExpand;
button.HorizontalOptions = LayoutOptions.FillAndExpand;
button.FontSize = SelectedFontSize;
button.BorderWidth = SelectedBorderWidth;
button.BorderColor = SelectedBorderColor;
button.BackgroundColor = SelectedBackgroundColor != Color.Default ? SelectedBackgroundColor : (special != null && special.BackgroundColor.HasValue ? special.BackgroundColor.Value : defaultBackgroundColor);
button.TextColor = SelectedTextColor != Color.Default ? SelectedTextColor : (special != null && special.TextColor.HasValue ? special.TextColor.Value : defaultTextColor);
button.FontAttributes = SelectedFontAttributes != FontAttributes.None ? SelectedFontAttributes : (special != null && special.FontAttributes.HasValue ? special.FontAttributes.Value : defaultFontAttributes);
button.FontFamily = !string.IsNullOrEmpty(SelectedFontFamily) ? SelectedFontFamily : (special != null && !string.IsNullOrEmpty(special.FontFamily) ? special.FontFamily :defaultFontFamily);
});
}
protected void SetButtonSpecial(CalendarButton button, SpecialDate special)
{
if (button != null)
{
Device.BeginInvokeOnMainThread(() =>
{
button.BackgroundPattern = special.BackgroundPattern;
button.BackgroundImage = special.BackgroundImage;
if (special.FontSize.HasValue)
{
button.FontSize = special.FontSize.Value;
}
if (special.BorderWidth.HasValue)
{
button.BorderWidth = special.BorderWidth.Value;
}
if (special.BorderColor.HasValue)
{
button.BorderColor = special.BorderColor.Value;
}
if (special.BackgroundColor.HasValue)
{
button.BackgroundColor = special.BackgroundColor.Value;
}
if (special.TextColor.HasValue)
{
button.TextColor = special.TextColor.Value;
}
if (special.FontAttributes.HasValue)
{
button.FontAttributes = special.FontAttributes.Value;
}
if (!string.IsNullOrEmpty(special.FontFamily))
{
button.FontFamily = special.FontFamily;
}
button.IsEnabled = special.Selectable;
});
}
}
protected void SetButtonDisabled(CalendarButton button)
{
Device.BeginInvokeOnMainThread(() =>
{
button.BackgroundPattern = null;
button.BackgroundImage = null;
button.FontSize = DisabledFontSize;
button.BorderWidth = DisabledBorderWidth;
button.BorderColor = DisabledBorderColor;
button.BackgroundColor = DisabledBackgroundColor;
button.TextColor = DisabledTextColor;
button.FontAttributes = DisabledFontAttributes;
button.FontFamily = DisabledFontFamily;
if (Device.RuntimePlatform == Device.UWP)
{
button.IsEnabled = true;
}
else
{
button.IsEnabled = false;
}
button.IsSelected = false;
});
}
public Calendar()
{
TitleLeftArrow = new CalendarButton
{
FontAttributes = FontAttributes.None,
BackgroundColor = Color.Transparent,
BackgroundImage = FileImageSource.FromFile((Device.RuntimePlatform == Device.UWP) ? "Assets/ic_arrow_left_normal.png" : "ic_arrow_left_normal") as FileImageSource,
HeightRequest = 48,
WidthRequest = 48,
Margin = new Thickness(24, 0, 0, 0),
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.End
};
TitleLabel = new Label {
FontSize = 24,
HorizontalTextAlignment = TextAlignment.Center,
VerticalTextAlignment = TextAlignment.Center,
FontAttributes = FontAttributes.None,
TextColor = Color.Black,
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
Text = string.Empty,
LineBreakMode = LineBreakMode.NoWrap
};
TitleRightArrow = new CalendarButton
{
FontAttributes = FontAttributes.None,
BackgroundColor = Color.Transparent,
HeightRequest = 48,
WidthRequest = 48,
Margin = new Thickness(0, 0, 24, 0),
BackgroundImage = FileImageSource.FromFile((Device.RuntimePlatform == Device.UWP) ? "Assets/ic_arrow_right_normal.png" : "ic_arrow_right_normal") as FileImageSource,
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Start
};
MonthNavigationLayout = new StackLayout
{
Padding = 0,
VerticalOptions = LayoutOptions.Start,
Orientation = StackOrientation.Horizontal,
HeightRequest = 50,
Children = { TitleLeftArrow, TitleLabel, TitleRightArrow }
};
ContentView = new StackLayout
{
Padding = 0,
Orientation = StackOrientation.Vertical
};
MainView = new StackLayout {
Padding = 0,
Orientation = StackOrientation.Vertical,
Children = { MonthNavigationLayout, ContentView }
};
TitleLeftArrow.Clicked += LeftArrowClickedEvent;
TitleRightArrow.Clicked += RightArrowClickedEvent;
dayLabels = new List <Label>(7);
weekNumberLabels = new List <Label>(6);
buttons = new List <CalendarButton>(42);
MainCalendars = new List <Grid>(1);
WeekNumbers = new List <Grid>(1);
CalendarViewType = DateTypeEnum.Normal;
YearsRow = 4;
YearsColumn = 4;
}
public void ShowMonths()
{
Device.BeginInvokeOnMainThread(() =>
{
Content = null;
ContentView.Children.Clear();
var columDef = new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
};
var rowDef = new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
};
var details = new Grid {
VerticalOptions = LayoutOptions.CenterAndExpand, RowSpacing = 0, ColumnSpacing = 0, Padding = 1, BackgroundColor = BorderColor
};
details.ColumnDefinitions = new ColumnDefinitionCollection {
columDef, columDef, columDef
};
details.RowDefinitions = new RowDefinitionCollection {
rowDef, rowDef, rowDef, rowDef
};
for (int r = 0; r < 4; r++)
{
for (int c = 0; c < 3; c++)
{
var b = new CalendarButton
{
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
Text = DateTimeFormatInfo.CurrentInfo.MonthNames[(r * 3) + c],
Date = new DateTime(StartDate.Year, (r * 3) + c + 1, 1).Date,
BackgroundColor = DatesBackgroundColor,
TextColor = DatesTextColor,
FontSize = DatesFontSize,
BorderWidth = BorderWidth,
BorderColor = BorderColor,
FontAttributes = DatesFontAttributes,
WidthRequest = ContentView.Width / 3 - BorderWidth,
HeightRequest = ContentView.Height / 4 - BorderWidth
};
b.Clicked += (sender, e) =>
{
MonthYearButtonCommand?.Execute((sender as CalendarButton).Date.Value);
MonthYearButtonClicked?.Invoke(sender, new DateTimeEventArgs {
DateTime = (sender as CalendarButton).Date.Value
});
if (EnableTitleMonthYearView)
{
StartDate = (sender as CalendarButton).Date.Value;
PrevMonthYearView();
}
};
details.Children.Add(b, c, r);
}
}
details.WidthRequest = w;
details.HeightRequest = h;
ContentView.Children.Add(details);
CalendarViewType = DateTypeEnum.Month;
TitleLeftArrow.IsVisible = false;
TitleRightArrow.IsVisible = false;
Content = MainView;
});
}
public void ShowYears() => Device.BeginInvokeOnMainThread(() =>
{
Content = null;
contentView.Children.Clear();
yearButtons.Clear();
var columDef = new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
};
var rowDef = new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
};
var details = new Grid {
VerticalOptions = LayoutOptions.CenterAndExpand, RowSpacing = 0, ColumnSpacing = 0, Padding = 1, BackgroundColor = BorderColor
};
details.ColumnDefinitions = new ColumnDefinitionCollection {
columDef, columDef, columDef, columDef
};
details.RowDefinitions = new RowDefinitionCollection {
rowDef, rowDef, rowDef, rowDef
};
for (var r = 0; r < YearsRow; r++)
{
for (var c = 0; c < YearsColumn; c++)
{
var t = (r * YearsColumn) + c + 1;
var b = new CalendarButton
{
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
Text = string.Format("{0}", StartDate.Year + (t - (YearsColumn * YearsRow / 2))),
Date = new DateTime(StartDate.Year + (t - (YearsColumn * YearsRow / 2)), StartDate.Month, 1).Date,
BackgroundColor = DatesBackgroundColor,
TextColor = DatesTextColor,
FontSize = DatesFontSize,
FontAttributes = DatesFontAttributes,
BorderWidth = BorderWidth,
BorderColor = BorderColor,
WidthRequest = (contentView.Width / YearsRow) - BorderWidth,
HeightRequest = contentView.Height / YearsColumn - BorderWidth
};
b.Clicked += (sender, e) =>
{
MonthYearButtonCommand?.Execute((sender as CalendarButton).Date.Value);
MonthYearButtonClicked?.Invoke(sender, new DateTimeEventArgs {
DateTime = (sender as CalendarButton).Date.Value
});
if (EnableTitleMonthYearView)
{
StartDate = (sender as CalendarButton).Date.Value;
PrevMonthYearView();
}
};
yearButtons.Add(b);
details.Children.Add(b, c, r);
}
}
details.WidthRequest = w;
details.HeightRequest = h;
contentView.Children.Add(details);
CalendarViewType = DateTypeEnum.Year;
TitleLeftArrow.IsVisible = true;
TitleRightArrow.IsVisible = true;
Content = mainView;
});