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using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace MaterialDesignThemes.Wpf
{
public class MaterialDateDisplay : Control
{
static MaterialDateDisplay()
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(MaterialDateDisplay), new FrameworkPropertyMetadata(typeof(MaterialDateDisplay)));
}
public MaterialDateDisplay()
{
SetCurrentValue(DisplayDateProperty, DateTime.Now.Date);
}
public static readonly DependencyProperty DisplayDateProperty = DependencyProperty.Register(
nameof(DisplayDate), typeof (DateTime), typeof (MaterialDateDisplay), new PropertyMetadata(default(DateTime), DisplayDatePropertyChangedCallback));
private static void DisplayDatePropertyChangedCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs dependencyPropertyChangedEventArgs)
{
((MaterialDateDisplay)dependencyObject).UpdateComponents();
}
public DateTime DisplayDate
{
get { return (DateTime) GetValue(DisplayDateProperty); }
set { SetValue(DisplayDateProperty, value); }
}
private static readonly DependencyPropertyKey ComponentOneContentPropertyKey =
DependencyProperty.RegisterReadOnly(
"ComponentOneContent", typeof (string), typeof (MaterialDateDisplay),
new PropertyMetadata(default(string)));
public static readonly DependencyProperty ComponentOneContentProperty =
ComponentOneContentPropertyKey.DependencyProperty;
public string ComponentOneContent
{
get { return (string) GetValue(ComponentOneContentProperty); }
private set { SetValue(ComponentOneContentPropertyKey, value); }
}
private static readonly DependencyPropertyKey ComponentTwoContentPropertyKey =
DependencyProperty.RegisterReadOnly(
"ComponentTwoContent", typeof (string), typeof (MaterialDateDisplay),
new PropertyMetadata(default(string)));
public static readonly DependencyProperty ComponentTwoContentProperty =
ComponentTwoContentPropertyKey.DependencyProperty;
public string ComponentTwoContent
{
get { return (string) GetValue(ComponentTwoContentProperty); }
private set { SetValue(ComponentTwoContentPropertyKey, value); }
}
private static readonly DependencyPropertyKey ComponentThreeContentPropertyKey =
DependencyProperty.RegisterReadOnly(
"ComponentThreeContent", typeof (string), typeof (MaterialDateDisplay),
new PropertyMetadata(default(string)));
public static readonly DependencyProperty ComponentThreeContentProperty =
ComponentThreeContentPropertyKey.DependencyProperty;
public string ComponentThreeContent
{
get { return (string) GetValue(ComponentThreeContentProperty); }
private set { SetValue(ComponentThreeContentPropertyKey, value); }
}
private static readonly DependencyPropertyKey IsDayInFirstComponentPropertyKey =
DependencyProperty.RegisterReadOnly(
"IsDayInFirstComponent", typeof (bool), typeof (MaterialDateDisplay),
new PropertyMetadata(default(bool)));
public static readonly DependencyProperty IsDayInFirstComponentProperty =
IsDayInFirstComponentPropertyKey.DependencyProperty;
public bool IsDayInFirstComponent
{
get { return (bool) GetValue(IsDayInFirstComponentProperty); }
private set { SetValue(IsDayInFirstComponentPropertyKey, value); }
}
//FrameworkElement.LanguageProperty.OverrideMetadata(typeof (Calendar), (PropertyMetadata) new FrameworkPropertyMetadata(new PropertyChangedCallback(Calendar.OnLanguageChanged)));
private void UpdateComponents()
{
var culture = Language.GetSpecificCulture();
var dateTimeFormatInfo = culture.GetDateFormat();
ComponentOneContent = DisplayDate.ToString(dateTimeFormatInfo.MonthDayPattern.Replace("MMMM", "MMM"), culture).ToTitleCase(culture); //Day Month folowing culture order. We don't want the month to take too much space
ComponentTwoContent = DisplayDate.ToString("ddd,", culture).ToTitleCase(culture); // Day of week first
ComponentThreeContent = DisplayDate.ToString("yyyy", culture).ToTitleCase(culture); // Year always top
}
/// <summary>
/// Ripped straight from .Net FX.
/// </summary>
/// <param name="culture"></param>
/// <returns></returns>
internal static DateTimeFormatInfo GetDateFormat(CultureInfo culture)
{
if (culture.Calendar is GregorianCalendar)
{
return culture.DateTimeFormat;
}
else
{
GregorianCalendar foundCal = null;
DateTimeFormatInfo dtfi = null;
foreach (System.Globalization.Calendar cal in culture.OptionalCalendars)
{
if (cal is GregorianCalendar)
{
// Return the first Gregorian calendar with CalendarType == Localized
// Otherwise return the first Gregorian calendar
if (foundCal == null)
{
foundCal = cal as GregorianCalendar;
}
if (((GregorianCalendar)cal).CalendarType == GregorianCalendarTypes.Localized)
{
foundCal = cal as GregorianCalendar;
break;
}
}
}
if (foundCal == null)
{
// if there are no GregorianCalendars in the OptionalCalendars list, use the invariant dtfi
dtfi = ((CultureInfo)CultureInfo.InvariantCulture.Clone()).DateTimeFormat;
dtfi.Calendar = new GregorianCalendar();
}
else
{
dtfi = ((CultureInfo)culture.Clone()).DateTimeFormat;
dtfi.Calendar = foundCal;
}
return dtfi;
}
}
}
}
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