close #253

src/Shared/HandyControl_Shared/Tools/Generator/ComparerGenerator.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using HandyControl.Collections;
+using HandyControl.Data;
+
+namespace HandyControl.Tools
+{
+    public class ComparerGenerator
+    {
+        private static readonly Dictionary<Type, ComparerTypeCode> TypeCodeDic = new Dictionary<Type, ComparerTypeCode>
+        {
+            [typeof(DateTimeRange)] = ComparerTypeCode.DateTimeRange,
+        };
+
+        public static IComparer<T> GetComparer<T>()
+        {
+            if (TypeCodeDic.TryGetValue(typeof(T), out var comparerType))
+            {
+                if (comparerType == ComparerTypeCode.DateTimeRange)
+                {
+                    return (IComparer<T>)new DateTimeRangeComparer();
+                }
+
+                return null;
+            }
+
+            return null;
+        }
+
+        private enum ComparerTypeCode
+        {
+            DateTimeRange
+        }
+    }
+}