Support templates that use icons from files.

Author: mrward

src/Main/Base/Project/ICSharpCode.SharpDevelop.csproj

@@ -305,6 +305,7 @@
     <Compile Include="Templates\ProjectTemplateResult.cs" />
     <Compile Include="Templates\TemplateBase.cs" />
     <Compile Include="Templates\TemplateCategory.cs" />
+    <Compile Include="Templates\TemplateIconLoader.cs" />
     <Compile Include="Templates\TemplateLoadException.cs" />
     <Compile Include="Templates\TextTemplate.cs" />
     <Compile Include="Util\AtomicBoolean.cs" />

src/Main/Base/Project/Src/Services/FileIconService.cs

@@ -49,7 +49,7 @@ public static class FileIconService
 		public static Bitmap GetBitmap(string name)
 		{
 			Bitmap bmp = null;
-			if (name.ToUpper().StartsWith("FILE:")) {
+			if (IsFileImage(name)) {
 				lock (bitmapCache) {
 					if (bitmapCache.TryGetValue(name, out bmp))
 						return bmp;
@@ -60,5 +60,10 @@ public static Bitmap GetBitmap(string name)
 			}
 			return bmp;
 		}
+		
+		public static bool IsFileImage(string name)
+		{
+			return name.StartsWith("file:", StringComparison.OrdinalIgnoreCase);
+		}
 	}
 }

src/Main/Base/Project/Templates/TemplateIconLoader.cs

@@ -0,0 +1,66 @@
+// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.Drawing;
+using System.Windows.Media;
+
+namespace ICSharpCode.SharpDevelop.Templates
+{
+	public static class TemplateIconLoader
+	{
+		public static IImage GetImage(string iconName)
+		{
+			IImage image = GetFileImage(iconName);
+			if (image != null) {
+				return image;
+			}
+			return SD.ResourceService.GetImage(iconName);
+		}
+		
+		static IImage GetFileImage(string iconName)
+		{
+			if (FileIconService.IsFileImage(iconName)) {
+				return new FileImage(iconName);
+			}
+			return null;
+		}
+	}
+	
+	public class FileImage : IImage
+	{
+		string name;
+		
+		public FileImage(string name)
+		{
+			this.name = name;
+		}
+		
+		public ImageSource ImageSource {
+			get { return null; }
+		}
+		
+		public Bitmap Bitmap {
+			get { return FileIconService.GetBitmap(name); }
+		}
+		
+		public Icon Icon {
+			get { return null; }
+		}
+	}
+}

src/Main/SharpDevelop/Templates/File/FileTemplateImpl.cs

@@ -240,7 +240,7 @@ public FileTemplateImpl(XmlDocument doc, IReadOnlyFileSystem fileSystem)
 
 			XmlElement config = doc.DocumentElement["Config"];
 			name         = config.GetAttribute("name");
-			icon         = SD.ResourceService.GetImage(config.GetAttribute("icon"));
+			icon         = TemplateIconLoader.GetImage(config.GetAttribute("icon"));
 			category     = config.GetAttribute("category");
 			defaultName  = config.GetAttribute("defaultname");
 			languagename = config.GetAttribute("language");

src/Main/SharpDevelop/Templates/Project/ProjectTemplateImpl.cs

@@ -174,7 +174,7 @@ public ProjectTemplateImpl(XmlDocument doc, IReadOnlyFileSystem fileSystem)
 			}
 
 			if (config["Icon"] != null) {
-				icon = SD.ResourceService.GetImage(config["Icon"].InnerText);
+				icon = TemplateIconLoader.GetImage(config["Icon"].InnerText);
 			}
 
 			if (config["SupportedTargetFrameworks"] != null) {