From b12e3df09eb2e8535906c4be2365a5dcd8d9c640 Mon Sep 17 00:00:00 2001
From: alcexhim <alcexhim@gmail.com>
Date: Wed, 14 Oct 2015 14:30:31 -0400
Subject: [PATCH] That was easy - moved TemporaryFileManager from
 engine-specific WindowsForms.UserInterface to engine-agnostic UserInterface
 library

---
 ...alEditor.UserInterface.WindowsForms.csproj |  1 -
 .../TemporaryFileManager.cs                   | 74 +++++++++++++++++++
 .../UniversalEditor.UserInterface.csproj      |  1 +
 3 files changed, 75 insertions(+), 1 deletion(-)
 create mode 100644 CSharp/Libraries/UniversalEditor.UserInterface/TemporaryFileManager.cs

diff --git a/CSharp/Engines/WindowsForms/Libraries/UniversalEditor.UserInterface.WindowsForms/UniversalEditor.UserInterface.WindowsForms.csproj b/CSharp/Engines/WindowsForms/Libraries/UniversalEditor.UserInterface.WindowsForms/UniversalEditor.UserInterface.WindowsForms.csproj
index b15084a3..efb0afc5 100644
--- a/CSharp/Engines/WindowsForms/Libraries/UniversalEditor.UserInterface.WindowsForms/UniversalEditor.UserInterface.WindowsForms.csproj
+++ b/CSharp/Engines/WindowsForms/Libraries/UniversalEditor.UserInterface.WindowsForms/UniversalEditor.UserInterface.WindowsForms.csproj
@@ -149,7 +149,6 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Resources.resx</DependentUpon>
     </Compile>
-    <Compile Include="TemporaryFileManager.cs" />
     <Compile Include="VirtualFileDataObject.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/CSharp/Libraries/UniversalEditor.UserInterface/TemporaryFileManager.cs b/CSharp/Libraries/UniversalEditor.UserInterface/TemporaryFileManager.cs
new file mode 100644
index 00000000..d100b4da
--- /dev/null
+++ b/CSharp/Libraries/UniversalEditor.UserInterface/TemporaryFileManager.cs
@@ -0,0 +1,74 @@
+using System;
+
+namespace UniversalEditor.UserInterface
+{
+	public class TemporaryFileManager
+	{
+		private static Random rand = new Random();
+
+		private static System.Collections.Specialized.StringCollection mvarTemporaryFileNames = new System.Collections.Specialized.StringCollection();
+		private static string mvarTemporaryFilePath = null;
+
+		public static string CreateTemporaryFile(string FileName, byte[] FileData = null)
+		{
+			if (mvarTemporaryFilePath == null) throw new InvalidOperationException();
+			if (!System.IO.Directory.Exists(mvarTemporaryFilePath))
+			{
+				System.IO.Directory.CreateDirectory(mvarTemporaryFilePath);
+			}
+
+			FileName = System.IO.Path.GetFileName(FileName);
+
+			string filePath = mvarTemporaryFilePath + System.IO.Path.DirectorySeparatorChar.ToString() + FileName;
+			if (FileData != null) System.IO.File.WriteAllBytes(filePath, FileData);
+			mvarTemporaryFileNames.Add(filePath);
+			return filePath;
+		}
+
+		public static bool RegisterTemporaryDirectory(string prefix, int maxNameLength)
+		{
+			if (mvarTemporaryFilePath != null)
+			{
+				return false;
+			}
+			string name = String.Empty;
+			do
+			{
+				name = prefix + rand.Next(0, (maxNameLength * 10) - 1).ToString().PadLeft(maxNameLength - prefix.Length, '0');
+			}
+			while (System.IO.Directory.Exists(name));
+
+			string pathName = System.IO.Path.GetTempPath() + System.IO.Path.DirectorySeparatorChar.ToString() + name;
+			System.IO.Directory.CreateDirectory(pathName);
+
+			mvarTemporaryFilePath = pathName;
+			return true;
+		}
+		public static bool UnregisterTemporaryDirectory()
+		{
+			if (mvarTemporaryFilePath == null) return false;
+
+			System.Collections.Generic.List<string> fileNamesNotDeleted = new System.Collections.Generic.List<string>();
+
+			foreach (string fileName in mvarTemporaryFileNames)
+			{
+				if (System.IO.File.Exists(fileName))
+				{
+					try
+					{
+						System.IO.File.Delete(fileName);
+					}
+					catch (Exception ex)
+					{
+						fileNamesNotDeleted.Add(fileName);
+					}
+				}
+			}
+			if (System.IO.Directory.Exists(mvarTemporaryFilePath) && fileNamesNotDeleted.Count == 0)
+			{
+				System.IO.Directory.Delete(mvarTemporaryFilePath, true);
+			}
+			return true;
+		}
+	}
+}
\ No newline at end of file
diff --git a/CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj b/CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
index ae19623b..fdc4ab3e 100644
--- a/CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
+++ b/CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
@@ -80,6 +80,7 @@
     <Compile Include="SessionManager.cs" />
     <Compile Include="Settings\SettingsManager.cs" />
     <Compile Include="SingleInstanceManager.cs" />
+    <Compile Include="TemporaryFileManager.cs" />
     <Compile Include="Toolbar.cs" />
     <Compile Include="Toolbox.cs" />
     <Compile Include="UnsavedDocumentOption.cs" />