support for .NET framework 3.5

Still have bugs
2019-01-21 00:43:10 +08:00
1 parent 5878039e21
commit 7d6b491f25
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Threading;
+
+namespace HandyControl.Controls
+{
+    public class FlipClock : Control
+    {
+        public static readonly DependencyProperty NumberListProperty = DependencyProperty.Register(
+            "NumberList", typeof(List<int>), typeof(FlipClock), new PropertyMetadata(new List<int> {0, 0, 0, 0, 0, 0}));
+
+        public List<int> NumberList
+        {
+            get => (List<int>) GetValue(NumberListProperty);
+            set => SetValue(NumberListProperty, value);
+        }
+
+        public static readonly DependencyProperty DisplayTimeProperty = DependencyProperty.Register(
+            "DisplayTime", typeof(DateTime), typeof(FlipClock), new PropertyMetadata(default(DateTime), OnDisplayTimeChanged));
+
+        private static void OnDisplayTimeChanged(DependencyObject s, DependencyPropertyChangedEventArgs e)
+        {
+            var ctl = (FlipClock) s;
+            var v = (DateTime) e.NewValue;
+
+            ctl.NumberList = new List<int>
+            {
+                v.Hour / 10,
+                v.Hour % 10,
+                v.Minute / 10,
+                v.Minute % 10,
+                v.Second / 10,
+                v.Second % 10
+            };
+        }
+
+        public DateTime DisplayTime
+        {
+            get => (DateTime) GetValue(DisplayTimeProperty);
+            set => SetValue(DisplayTimeProperty, value);
+        }
+
+        public FlipClock()
+        {
+            var dispatcherTimer = new DispatcherTimer
+            {
+                Interval = TimeSpan.FromMilliseconds(200)
+            };
+            dispatcherTimer.Tick += DispatcherTimer_Tick;
+            dispatcherTimer.Start();
+        }
+
+        private void DispatcherTimer_Tick(object sender, EventArgs e) => DisplayTime = DateTime.Now;
+    }
+}