Added auto update.

LadderLogic.csproj

@@ -144,6 +144,8 @@
     <Compile Include="CTool\FunctionRule\PulseTimerRule.cs" />
     <Compile Include="CTool\FunctionRule\SetCoilRule.cs" />
     <Compile Include="CTool\FunctionRule\ResetCoilRule.cs" />
+    <Compile Include="Updater\UpdateHelper.cs" />
+    <Compile Include="Updater\Versions.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>

Presentation/AppWindow.cs

@@ -4,6 +4,7 @@
 using System.Reflection;
 using System.Collections.Generic;
 using System.Diagnostics;
+using LadderLogic.Updater;
 
 namespace LadderLogic.Presentation
 {
@@ -353,18 +354,17 @@ void InitializeComponents()
 
 			var surfaces = AppController.Instance.GetPalette ();
 
-			uint count = (uint)surfaces.Sum (s => s.Segments.Count);
-			table1 = new Gtk.Table (2, count / 2, true);
+			var count = (uint)surfaces.Sum (s => s.Segments.Count);
+			table1 = new Table (2, count / 2, true);
 
-			int index = 0;
+			var index = 0;
 			for (uint i = 0; i < count / 2; i++) {
 				for (uint j = 0; j < 2; j++) {
-					if (surfaces.Count () > index) {
-						var surf = surfaces [index++];
-						var el = new ElementDrawing(surf, 2, 2 );
-						table1.Attach (el, i, i+1, j, j+(uint)surf.Segments.Count());
-						el.Show ();
-					}
+					if (surfaces.Count() <= index) continue;
+					var surf = surfaces [index++];
+					var el = new ElementDrawing(surf, 2, 2 );
+					table1.Attach (el, i, i+1, j, j+(uint)surf.Segments.Count());
+					el.Show ();
 				}
 			}
 
@@ -385,7 +385,12 @@ void InitializeComponents()
 			tblArdulino.Attach (code, 0, 1, 0, 1);
 			code.CreateCode += CController.Instance.CreateCode;
 			code.Show ();
+			this.Shown += AppWindow_Shown;
+		}
 
+		void AppWindow_Shown(object sender, EventArgs e)
+		{
+			UpdateHelper.CompareVersions(this);
 		}
 
 

Program.cs

@@ -2,6 +2,7 @@
 using System.Configuration;
 using GLib;
 using Gtk;
+using LadderLogic.Updater;
 
 namespace LadderLogic
 {
@@ -24,7 +25,7 @@ public static void Main (string[] args)
 			ExceptionManager.UnhandledException += 
 				e => new UnhandledExceptionDialog(_main, e.ExceptionObject as Exception).ShowDialog();
 
-
+			
 			var isElementsView = ConfigurationManager
 				.AppSettings ["ElementsView"]
 				.ToLowerInvariant () == "true";

Updater/UpdateHelper.cs

@@ -0,0 +1,80 @@
+using System;
+using System.IO;
+using Gtk;
+
+namespace LadderLogic.Updater
+{
+	public static class UpdateHelper
+	{
+		private static Window _parent;
+
+		public static string RemoteVersion = "http://localhost/ArduinoLadder/updateVersion.txt";
+		public static string RemoteFile = "http://localhost/ArduinoLadder/ArduinoLadder.exe";
+		public static string LocalFile = "ArduinoLadder.exe";
+
+		public static void CompareVersions(Window parent)
+		{
+			_parent = parent;
+			var downloadToPath = Path.GetTempPath();
+			var localVersion = Versions.LocalVersion();
+			var remoteVersion = Versions.RemoteVersion(RemoteVersion);
+			if (string.IsNullOrWhiteSpace(remoteVersion)) //prevent to reload first version
+			{
+				return;
+			}
+			var c = 0;
+			try
+			{
+				c = Version.Parse(localVersion).CompareTo(Version.Parse(remoteVersion));
+			}
+			catch (Exception ex)
+			{
+
+			}
+
+			if (c < 0)
+			{
+				BeginDownload(RemoteFile, downloadToPath, remoteVersion, LocalFile);
+			}
+		}
+
+		private static void BeginDownload(string remoteUrl, string downloadToPath, string version, string executeTarget)
+		{
+			var filePath = Versions.CreateTargetLocation(downloadToPath, version);
+
+			filePath = Path.Combine(filePath, executeTarget);
+
+			var remoteUri = new Uri(remoteUrl);
+			var downloader = new System.Net.WebClient();
+
+			downloader.DownloadFileCompleted += downloader_DownloadFileCompleted;
+
+			downloader.DownloadFileAsync(remoteUri, filePath,
+				new[] { version, downloadToPath, executeTarget });
+		}
+
+
+		private static void downloader_DownloadFileCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
+		{
+			if (e.Error != null)
+			{
+				return;
+			}
+			var us = (string[])e.UserState;
+			var currentVersion = us[0];
+			var downloadToPath = us[1];
+			var executeTarget = us[2];
+
+			if (!downloadToPath.EndsWith("\\")) // Give a trailing \ if there isn't one
+				downloadToPath += "\\";
+
+			var exePath = downloadToPath + currentVersion + "\\" + executeTarget; // Download folder\version\ + executable
+			var md = new MessageDialog(_parent,
+				DialogFlags.DestroyWithParent, MessageType.Info,
+				ButtonsType.YesNo, "New version available. Do you want to install?");
+			if ((ResponseType) md.Run() != ResponseType.Yes) return;
+			System.Diagnostics.Process.Start(exePath);
+			Environment.Exit(0);
+		}
+	}
+}

Updater/Versions.cs

@@ -0,0 +1,86 @@
+using System;
+using System.IO;
+using System.Reflection;
+using System.Text;
+
+namespace LadderLogic.Updater
+{
+	public static class Versions
+	{
+		public static string RemoteVersion(string url)
+		{
+			var rv = "";
+
+			try
+			{
+				var req = (System.Net.HttpWebRequest)
+				System.Net.WebRequest.Create(url);
+				var response = (System.Net.HttpWebResponse)req.GetResponse();
+				var receiveStream = response.GetResponseStream();
+				if (receiveStream != null)
+				{
+					var readStream = new StreamReader(receiveStream, Encoding.UTF8);
+					var s = readStream.ReadToEnd();
+					response.Close();
+					if (ValidateFile(s))
+					{
+						rv = s;
+					}
+				}
+			}
+			catch (Exception)
+			{
+				rv = null;
+			}
+			return rv;
+		}
+
+		public static string LocalVersion()
+		{
+			return Assembly.GetExecutingAssembly().GetName().Version.ToString();
+		}
+
+		public static bool ValidateFile(string contents)
+		{
+			if (string.IsNullOrEmpty(contents)) return false;
+			const string pattern = @"^\d*\.\d*\.\d*\.\d*$";
+			var re = new System.Text.RegularExpressions.Regex(pattern);
+			var val = re.IsMatch(contents);
+			return val;
+		}
+
+		public static string CreateLocalVersionFile(string folderPath, string fileName, string version)
+		{
+			if (!new DirectoryInfo(folderPath).Exists)
+			{
+				Directory.CreateDirectory(folderPath);
+			}
+
+			var path = folderPath + "\\" + fileName;
+
+			if (new FileInfo(path).Exists)
+			{
+				new FileInfo(path).Delete();
+			}
+
+			if (!new FileInfo(path).Exists)
+			{
+				System.IO.File.WriteAllText(path, version);
+			}
+			return path;
+		}
+
+		public static string CreateTargetLocation(string downloadToPath, string version)
+		{
+			if (!downloadToPath.EndsWith("\\")) // Give a trailing \ if there isn't one
+				downloadToPath += "\\";
+
+			var filePath = Path.Combine(downloadToPath, version);
+
+			var newFolder = new DirectoryInfo(filePath);
+			newFolder.Create();
+
+			return filePath;
+		}
+	}
+}

obj/x86/Debug/LadderLogic.csproj.FileListAbsolute.txt

@@ -373,3 +373,4 @@ G:\Disk_H\ArduinoLadder\bin\Debug\Element\ResetCoil.xml
 G:\Disk_H\ArduinoLadder\bin\Debug\ladder_icon.png
 G:\Disk_H\ArduinoLadder\bin\Debug\LadderLogic.exe
 G:\Disk_H\ArduinoLadder\bin\Debug\LadderLogic.pdb
+G:\Disk_H\ArduinoLadder\obj\x86\Debug\LadderLogic.csprojResolveAssemblyReference.cache