move widget code to commons

OpenRA.Mods.Common/Widgets/Logic/Ingame/AddRaceSuffixLogic.cs

@@ -0,0 +1,34 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets.Logic
+{
+	public class AddRaceSuffixLogic
+	{
+		[ObjectCreator.UseCtor]
+		public AddRaceSuffixLogic(Widget widget, World world)
+		{
+			string race;
+			if (!ChromeMetrics.TryGet("RaceSuffix-" + world.LocalPlayer.Country.Race, out race))
+				race = world.LocalPlayer.Country.Race;
+			var suffix = "-" + race;
+
+			if (widget is ButtonWidget)
+				((ButtonWidget)widget).Background += suffix;
+			else if (widget is ImageWidget)
+				((ImageWidget)widget).ImageCollection += suffix;
+			else
+				throw new InvalidOperationException("AddRaceSuffixLogic only supports ButtonWidget and ImageWidget");
+		}
+	}
+}