First commit.

Source/OpenNest.Core/Units.cs

@@ -0,0 +1,82 @@
+
+namespace OpenNest
+{
+    public enum Units
+    {
+        Inches,
+        Millimeters
+    }
+
+    public static class UnitsHelper
+    {
+        public static string GetShortString(Units units)
+        {
+            switch (units)
+            {
+                case Units.Inches:
+                    return "in";
+
+                case Units.Millimeters:
+                    return "mm";
+
+                default: 
+                    return string.Empty;
+            }
+        }
+
+        public static string GetLongString(Units units)
+        {
+            switch (units)
+            {
+                case Units.Inches:
+                    return "inches";
+
+                case Units.Millimeters:
+                    return "millimeters";
+
+                default: 
+                    return string.Empty;
+            }
+        }
+
+        public static string GetShortTimeUnit(Units units)
+        {
+            switch (units)
+            {
+                case Units.Inches:
+                    return "min";
+
+                case Units.Millimeters:
+                    return "sec";
+
+                default: 
+                    return string.Empty;
+            }
+        }
+
+        public static string GetLongTimeUnit(Units units)
+        {
+            switch (units)
+            {
+                case Units.Inches:
+                    return "minute";
+
+                case Units.Millimeters:
+                    return "second";
+
+                default:
+                    return string.Empty;
+            }
+        }
+
+        public static string GetShortTimeUnitPair(Units units)
+        {
+            return GetShortString(units) + "/" + GetShortTimeUnit(units);
+        }
+
+        public static string GetLongTimeUnitPair(Units units)
+        {
+            return GetLongString(units) + "/" + GetLongTimeUnit(units);
+        }
+    }
+}