unify music install and add a download option

closes #4759

OpenRA.Mods.Cnc/Widgets/Logic/CncInstallMusicLogic.cs

@@ -1,57 +0,0 @@
-#region Copyright & License Information
-/*
- * Copyright 2007-2014 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 System.IO;
-using System.Linq;
-using OpenRA.FileSystem;
-using OpenRA.Mods.RA.Widgets.Logic;
-using OpenRA.Widgets;
-
-namespace OpenRA.Mods.Cnc.Widgets.Logic
-{
-	public class CncInstallMusicLogic
-	{
-		[ObjectCreator.UseCtor]
-		public CncInstallMusicLogic(Widget widget, Ruleset modRules, Action onExit)
-		{
-			var installButton = widget.GetOrNull<ButtonWidget>("INSTALL_BUTTON");
-			if (installButton != null)
-			{
-				Action afterInstall = () =>
-				{
-					try
-					{
-						var path = new string[] { Platform.SupportDir, "Content", Game.modData.Manifest.Mod.Id }.Aggregate(Path.Combine);
-						GlobalFileSystem.Mount(Path.Combine(path, "scores.mix"));
-						GlobalFileSystem.Mount(Path.Combine(path, "transit.mix"));
-
-						modRules.Music.Do(m => m.Value.Reload());
-
-						var musicPlayerLogic = (MusicPlayerLogic)installButton.Parent.LogicObject;
-						musicPlayerLogic.BuildMusicTable();
-					}
-					catch (Exception e)
-					{
-						Log.Write("debug", "Mounting the new mixfile and rebuild of scores list failed:\n{0}", e);
-					}
-				};
-
-				installButton.OnClick = () =>
-					Ui.OpenWindow("INSTALL_MUSIC_PANEL", new WidgetArgs() {
-						{ "afterInstall", afterInstall },
-						{ "filesToCopy", new[] { "SCORES.MIX" } },
-						{ "filesToExtract", new[] { "transit.mix" } },
-					});
-				installButton.IsVisible = () => modRules.InstalledMusic.ToArray().Length < 3; // HACK around music being split between transit.mix and scores.mix
-			}
-		}
-	}
-}