eradicate 'delegate' misuse

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

@@ -0,0 +1,120 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 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 System.Threading;
+using OpenRA.FileFormats;
+using OpenRA.FileFormats.Graphics;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Cnc.Widgets.Logic
+{	
+	public class CncInstallFromCDLogic
+	{
+		Widget panel;
+		ProgressBarWidget progressBar;
+		LabelWidget statusLabel;
+		Action continueLoading;
+		
+		[ObjectCreator.UseCtor]
+		public CncInstallFromCDLogic([ObjectCreator.Param] Widget widget,
+		                       [ObjectCreator.Param] Action continueLoading)
+		{
+			this.continueLoading = continueLoading;
+			panel = widget.GetWidget("INSTALL_FROMCD_PANEL");
+			progressBar = panel.GetWidget<ProgressBarWidget>("PROGRESS_BAR");
+			statusLabel = panel.GetWidget<LabelWidget>("STATUS_LABEL");
+			
+			var backButton = panel.GetWidget<ButtonWidget>("BACK_BUTTON");
+			backButton.OnClick = Widget.CloseWindow;
+			backButton.IsVisible = () => false;
+			
+			var retryButton = panel.GetWidget<ButtonWidget>("RETRY_BUTTON");
+			retryButton.OnClick = PromptForCD;
+			retryButton.IsVisible = () => false;
+			
+			// TODO: Search obvious places (platform dependent) for CD
+			PromptForCD();
+		}
+		
+		void PromptForCD()
+		{
+			if (Game.Settings.Graphics.Mode == WindowMode.Fullscreen)
+			{
+				statusLabel.GetText = () => "Error: Installing from Fullscreen mode is not supported";
+				panel.GetWidget("BACK_BUTTON").IsVisible = () => true;
+				return;
+			}
+			
+			progressBar.SetIndeterminate(true);
+			Game.Utilities.PromptFilepathAsync("Select CONQUER.MIX on the C&C CD", path => Game.RunAfterTick(() => Install(path)));
+		}
+		
+		void Install(string path)
+		{
+			var dest = new string[] { Platform.SupportDir, "Content", "cnc" }.Aggregate(Path.Combine);
+			var copyFiles = new string[] { "CONQUER.MIX", "DESERT.MIX",
+					"GENERAL.MIX", "SCORES.MIX", "SOUNDS.MIX", "TEMPERAT.MIX", "WINTER.MIX"};
+			
+			var extractPackage = "INSTALL/SETUP.Z";
+			var extractFiles = new string[] { "cclocal.mix", "speech.mix", "tempicnh.mix", "updatec.mix" };
+
+			progressBar.SetIndeterminate(false);
+			
+			var installCounter = 0;
+			var onProgress = (Action<string>)(s =>
+			{
+				progressBar.Percentage = installCounter*100/(copyFiles.Count() + extractFiles.Count());
+				installCounter++;
+				
+				statusLabel.GetText = () => s;
+			});
+			
+			var onError = (Action<string>)(s =>
+			{
+				Game.RunAfterTick(() => 
+				{
+					statusLabel.GetText = () => "Error: "+s;
+					panel.GetWidget("RETRY_BUTTON").IsVisible = () => true;
+					panel.GetWidget("BACK_BUTTON").IsVisible = () => true;
+				});
+			});
+			
+			string source;
+			try 
+			{
+				source = Path.GetDirectoryName(path);
+			}
+			catch (ArgumentException)
+			{
+				onError("Invalid path selected");
+				return;
+			}
+			
+			var t = new Thread( _ =>
+			{
+				if (!InstallUtils.CopyFiles(source, copyFiles, dest, onProgress, onError))
+				return;
+			
+				if (!InstallUtils.ExtractFromPackage(source, extractPackage, extractFiles, dest, onProgress, onError))
+			    	return;
+				
+				Game.RunAfterTick(() =>
+				{
+					Widget.CloseWindow();
+					continueLoading();
+				});
+			}) { IsBackground = true };
+			t.Start();
+		}
+	}
+}