Displaying events and all-day events.

Wino.Core.Domain/Collections/CalendarEventCollection.cs

@@ -0,0 +1,29 @@
+using System.Collections.ObjectModel;
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Core.Domain.Collections
+{
+    public class CalendarEventCollection : ObservableRangeCollection<ICalendarItem>
+    {
+        public ObservableCollection<ICalendarItem> AllDayEvents { get; } = new ObservableCollection<ICalendarItem>();
+        public new void Add(ICalendarItem calendarItem)
+        {
+            base.Add(calendarItem);
+
+            if (calendarItem.Period.Duration.TotalMinutes == 1440)
+            {
+                AllDayEvents.Add(calendarItem);
+            }
+        }
+
+        public new void Remove(ICalendarItem calendarItem)
+        {
+            base.Remove(calendarItem);
+
+            if (calendarItem.Period.Duration.TotalMinutes == 1440)
+            {
+                AllDayEvents.Remove(calendarItem);
+            }
+        }
+    }
+}