wire up the import from PNG to SHP button

store everything in user directory to not junk up the game
and for file permissions on Mac/Linux when installed

OpenRA.Mods.RA/Widgets/Logic/ConvertGameFilesLogic.cs

@@ -0,0 +1,113 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2013 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 System.Diagnostics;
+using OpenRA.FileFormats;
+using OpenRA.FileFormats.Graphics;
+using OpenRA.Widgets;
+using OpenRA.Utility;
+
+namespace OpenRA.Mods.RA.Widgets.Logic
+{
+	public class ConvertGameFilesLogic
+	{
+		Widget panel;
+		ProgressBarWidget progressBar;
+		LabelWidget statusLabel;
+		ButtonWidget retryButton, backButton;
+		Widget extractingContainer;
+
+		string[][] ExtractGameFiles, ExportToPng, ImportFromPng;
+
+		[ObjectCreator.UseCtor]
+		public ConvertGameFilesLogic(Widget widget, string[][] ExtractGameFiles, string[][] ExportToPng, string[][] ImportFromPng)
+		{
+			panel = widget.Get("CONVERT_ASSETS_PANEL");
+			progressBar = panel.Get<ProgressBarWidget>("PROGRESS_BAR");
+			statusLabel = panel.Get<LabelWidget>("STATUS_LABEL");
+
+			backButton = panel.Get<ButtonWidget>("BACK_BUTTON");
+			backButton.OnClick = Ui.CloseWindow;
+
+			retryButton = panel.Get<ButtonWidget>("RETRY_BUTTON");
+			retryButton.OnClick = Extract;
+
+			extractingContainer = panel.Get("EXTRACTING");
+
+			this.ExtractGameFiles = ExtractGameFiles;
+			this.ExportToPng = ExportToPng;
+			this.ImportFromPng = ImportFromPng;
+
+			Extract();
+		}
+
+		void Extract()
+		{
+			backButton.IsDisabled = () => true;
+			retryButton.IsDisabled = () => true;
+			extractingContainer.IsVisible = () => true;
+
+			var onError = (Action<string>)(s => Game.RunAfterTick(() =>
+			{
+				statusLabel.GetText = () => "Error: "+s;
+				backButton.IsDisabled = () => false;
+				retryButton.IsDisabled = () => false;
+			}));
+
+			var t = new Thread( _ =>
+			{
+				try
+				{
+        			for (int i = 0; i < ExtractGameFiles.Length; i++)
+					{
+						progressBar.Percentage = i*100/ExtractGameFiles.Count();
+						statusLabel.GetText = () => "Extracting...";
+						Utility.Command.ExtractFiles(ExtractGameFiles[i]);
+					}
+
+					for (int i = 0; i < ExportToPng.Length; i++)
+					{
+						progressBar.Percentage = i*100/ExportToPng.Count();
+						statusLabel.GetText = () => "Exporting SHP to PNG...";
+						Utility.Command.ConvertShpToPng(ExportToPng[i]);
+					}
+
+					for (int i = 0; i < ImportFromPng.Length; i++)
+					{
+						progressBar.Percentage = i*100/ImportFromPng.Count();
+						statusLabel.GetText = () => "Converting PNG to SHP...";
+						Utility.Command.ConvertPngToShp(ImportFromPng[i]);
+					}
+
+					Game.RunAfterTick(() =>
+					{
+						progressBar.Percentage = 100;
+						statusLabel.GetText = () => "Done. Check {0}".F(Platform.SupportDir);
+						backButton.IsDisabled = () => false;
+					});
+				}
+				catch (FileNotFoundException f)
+				{
+					onError(f.FileName+" not found.");
+				}
+				catch (Exception e)
+				{
+					onError(e.Message);
+				}
+
+			}) { IsBackground = true };
+			t.Start();
+		}
+	}
+}