Hide NewProjectDialog behind IUIService.

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

@@ -74,6 +74,8 @@
 		         class="ICSharpCode.SharpDevelop.ClipboardWrapper"/>
 		<Service id="ICSharpCode.SharpDevelop.IFileSystem"
 		         class="ICSharpCode.SharpDevelop.FileSystem"/>
+		<Service id="ICSharpCode.SharpDevelop.Templates.ITemplateService"
+		         class="ICSharpCode.SharpDevelop.Templates.TemplateService"/>
 		<Service id="ICSharpCode.SharpDevelop.Project.IBuildService"
 		         class="ICSharpCode.SharpDevelop.Project.BuildService"/>
 		<Service id="ICSharpCode.SharpDevelop.Project.IProjectService"

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

@@ -239,6 +239,9 @@
     <Compile Include="Templates\FileTemplateOptions.cs" />
     <Compile Include="Templates\FileTemplateResult.cs" />
     <Compile Include="Templates\ITemplateService.cs" />
+    <Compile Include="Templates\ProjectTemplate.cs" />
+    <Compile Include="Templates\ProjectTemplateResult.cs" />
+    <Compile Include="Templates\TemplateBase.cs" />
     <Compile Include="Templates\TemplateLoadException.cs" />
     <Compile Include="Util\AtomicBoolean.cs" />
     <Compile Include="Util\ChrootFileSystem.cs" />
@@ -464,7 +467,6 @@
     <Compile Include="Src\Internal\Templates\File\FileDescriptionTemplate.cs" />
     <Compile Include="Src\Internal\Templates\File\FileTemplate.cs" />
     <Compile Include="Src\Internal\Templates\TextTemplate.cs" />
-    <Compile Include="Src\Internal\Templates\File\INewFileCreator.cs" />
     <Compile Include="Src\Project\BeforeBuildCustomToolFileNameFilter.cs" />
     <Compile Include="Src\Project\BeforeBuildCustomToolProjectItems.cs" />
     <Compile Include="Src\Project\BeforeBuildCustomToolRunner.cs" />

src/Main/Base/Project/Services/IUIService.cs

@@ -30,9 +30,17 @@ namespace ICSharpCode.SharpDevelop
 		/// May be <c>null</c> to create an untitled file.</param>
 		/// <param name="templates">The list of templates that are available in the dialog.
 		/// Pass <c>null</c> to use the default list (<see cref="ITemplateService.FileTemplates"/>)</param>
-		/// <returns>
-		/// Returns the FileTemplateResult; or null if no file was created.
-		/// </returns>
+		/// <returns>Returns a <see cref="FileTemplateResult"/>; or null if no file was created.</returns>
 		FileTemplateResult ShowNewFileDialog(IProject project, DirectoryName directory, IEnumerable<FileTemplate> templates = null);
+		
+		/// <summary>
+		/// Show the 'New Project' dialog.
+		/// </summary>
+		/// <param name="solutionFolder">The parent solution folder to which the new project should be added.
+		/// May be <c>null</c> to create a new solution.</param>
+		/// <param name="templates">The list of templates that are available in the dialog.
+		/// Pass <c>null</c> to use the default list (<see cref="ITemplateService.ProjectTemplates"/>)</param>
+		/// <returns>Returns a <see cref="ProjectTemplateResult"/>; or null if no project was created.</returns>
+		ProjectTemplateResult ShowNewProjectDialog(ISolutionFolder solutionFolder, IEnumerable<ProjectTemplate> templates = null);
 	}
 }

src/Main/Base/Project/Src/Commands/FileMenuCommands.cs

@@ -13,9 +13,7 @@ namespace ICSharpCode.SharpDevelop.Project.Commands
 	{
 		public override void Run()
 		{
-			using (NewProjectDialog npdlg = new NewProjectDialog(true)) {
-				npdlg.ShowDialog(SD.WinForms.MainWin32Window);
-			}
+			SD.UIService.ShowNewProjectDialog(null);
 		}
 	}
 	

src/Main/Base/Project/Src/Gui/Components/LocalizedPropertyGrid/CustomTypeConverter/BooleanTypeConverter.cs

@@ -9,7 +9,7 @@ using ICSharpCode.Core;
 
 namespace ICSharpCode.SharpDevelop.Gui
 {
-	public class BooleanTypeConverter : TypeConverter
+	internal class BooleanTypeConverter : TypeConverter
 	{
 		string True {
 			get {

src/Main/Base/Project/Src/Gui/Components/LocalizedPropertyGrid/CustomTypeConverter/TemplateTypeConverter.cs

@@ -10,7 +10,7 @@ using ICSharpCode.SharpDevelop.Internal.Templates;
 
 namespace ICSharpCode.SharpDevelop.Gui
 {
-	public class CustomTypeConverter : TypeConverter
+	internal class CustomTypeConverter : TypeConverter
 	{
 		TemplateType templateType;
 		

src/Main/Base/Project/Src/Gui/Dialogs/NewProjectDialog.cs

@@ -16,7 +16,7 @@ using Microsoft.Build.Exceptions;
 
 namespace ICSharpCode.SharpDevelop.Project.Dialogs
 {
-	public partial class NewProjectDialog : Form
+	internal partial class NewProjectDialog : Form
 	{
 		protected List<TemplateItem> alltemplates = new List<TemplateItem>();
 		protected List<Category> categories = new List<Category>();
@@ -276,7 +276,7 @@ namespace ICSharpCode.SharpDevelop.Project.Dialogs
 		
 		public FileName NewProjectLocation;
 		public FileName NewSolutionLocation;
-		public ISolutionFolderNode SolutionFolderNode { get; set; }
+		public ISolutionFolder SolutionFolder;
 		
 		string CheckProjectName(string solution, string name, string location)
 		{
@@ -366,7 +366,7 @@ namespace ICSharpCode.SharpDevelop.Project.Dialogs
 				} else {
 					IProject project = item.Template.CreateProject(SD.ProjectService.CurrentSolution, cinfo);
 					NewProjectLocation = project.FileName;
-					SolutionFolderNode.Folder.Items.Add(project);
+					SolutionFolder.Items.Add(project);
 					ProjectService.SaveSolution();
 				}
 				

src/Main/Base/Project/Src/Gui/Pads/ProjectBrowser/Commands/SolutionNodeCommands.cs

@@ -19,18 +19,7 @@ namespace ICSharpCode.SharpDevelop.Project.Commands
 				node = node.Parent;
 			ISolutionFolderNode solutionFolderNode = node as ISolutionFolderNode;
 			if (solutionFolderNode != null) {
-				using (NewProjectDialog npdlg = new NewProjectDialog(false)) {
-					npdlg.SolutionFolderNode = solutionFolderNode;
-					npdlg.InitialProjectLocationDirectory = GetInitialDirectorySuggestion(solutionFolderNode.Folder);
-					
-					// show the dialog to request project type and name
-					if (npdlg.ShowDialog(SD.WinForms.MainWin32Window) == DialogResult.OK) {
-						if (npdlg.NewProjectLocation == null) {
-							MessageService.ShowError("No project has been created, there is nothing to add.");
-							return;
-						}
-					}
-				}
+				SD.UIService.ShowNewProjectDialog(solutionFolderNode.Folder);
 			}
 		}
 		

src/Main/Base/Project/Src/Internal/Templates/File/FileDescriptionTemplate.cs

@@ -13,7 +13,7 @@ using ICSharpCode.SharpDevelop.Templates;
 
 namespace ICSharpCode.SharpDevelop.Internal.Templates
 {
-	public class FileDescriptionTemplate
+	internal class FileDescriptionTemplate
 	{
 		string name;
 		string language;

src/Main/Base/Project/Src/Internal/Templates/File/FileTemplate.cs

@@ -16,7 +16,7 @@ using ICSharpCode.SharpDevelop.Templates;
 
 namespace ICSharpCode.SharpDevelop.Internal.Templates
 {
-	public class TemplateProperty
+	internal class TemplateProperty
 	{
 		string name;
 		string localizedName;
@@ -72,7 +72,7 @@ namespace ICSharpCode.SharpDevelop.Internal.Templates
 		}
 	}
 	
-	public class TemplateType
+	internal class TemplateType
 	{
 		string    name;
 		Hashtable pairs = new Hashtable();
@@ -101,7 +101,7 @@ namespace ICSharpCode.SharpDevelop.Internal.Templates
 	/// <summary>
 	/// This class defines and holds the new file templates.
 	/// </summary>
-	public class FileTemplate : IComparable
+	internal class FileTemplate : IComparable
 	{
 		public static List<FileTemplate> FileTemplates = new List<FileTemplate>();
 		

src/Main/Base/Project/Src/Internal/Templates/File/ScriptRunner.cs

@@ -13,7 +13,7 @@ using ICSharpCode.Core;
 
 namespace ICSharpCode.SharpDevelop.Internal.Templates
 {
-	public class ScriptRunner
+	internal class ScriptRunner
 	{
 		FileTemplate item;
 		FileDescriptionTemplate file;

src/Main/Base/Project/Src/Internal/Templates/Project/ProjectDescriptor.cs

@@ -23,7 +23,7 @@ namespace ICSharpCode.SharpDevelop.Internal.Templates
 	/// <summary>
 	/// This class is used inside the solution templates for projects.
 	/// </summary>
-	public sealed class ProjectDescriptor
+	internal sealed class ProjectDescriptor
 	{
 		private class ProjectProperty
 		{

src/Main/Base/Project/Src/Internal/Templates/Project/ProjectTemplate.cs

@@ -39,7 +39,7 @@ namespace ICSharpCode.SharpDevelop.Internal.Templates
 	/// <summary>
 	/// This class defines and holds the new project templates.
 	/// </summary>
-	public class ProjectTemplate : IComparable
+	internal class ProjectTemplate : IComparable
 	{
 		static List<ProjectTemplate> projectTemplates;
 		

src/Main/Base/Project/Src/Internal/Templates/Project/SolutionDescriptor.cs

@@ -11,7 +11,7 @@ using ICSharpCode.SharpDevelop.Project;
 
 namespace ICSharpCode.SharpDevelop.Internal.Templates
 {
-	public class SolutionDescriptor
+	internal class SolutionDescriptor
 	{
 		SolutionFolderDescriptor mainFolder = new SolutionFolderDescriptor("");
 		

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

@@ -9,12 +9,6 @@ namespace ICSharpCode.SharpDevelop.Templates
 {
 	public abstract class FileTemplate
 	{
-		public abstract string Name { get; }
-		public abstract string Category { get; }
-		public abstract string Subcategory { get; }
-		public abstract string Description { get; }
-		public abstract IImage Icon { get; }
-		
 		/// <summary>
 		/// Gets whether this template is available for the specified project.
 		/// </summary>

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

@@ -17,8 +17,27 @@ namespace ICSharpCode.SharpDevelop.Templates
 		IEnumerable<FileTemplate> FileTemplates { get; }
 		
 		/// <summary>
-		/// Loads a file template (.xft file) from a stream.
+		/// Gets the list of project templates that are available in the 'new project' dialog.
 		/// </summary>
-		FileTemplate LoadFileTemplate(Stream stream);
+		IEnumerable<ProjectTemplate> ProjectTemplates { get; }
+		
+		/// <summary>
+		/// Loads a file template (.xft or .xpt file) from disk.
+		/// </summary>
+		/// <returns><see cref="FileTemplate"/> or <see cref="ProjectTemplate"/> instance.</returns>
+		TemplateBase LoadTemplate(FileName fileName);
+		
+		/// <summary>
+		/// Loads a file template (.xft or .xpt file) from a text reader.
+		/// </summary>
+		/// <param name="stream">The stream containing the .xft/.xpt file.</param>
+		/// <param name="fileSystem">File system used to open referenced input files.
+		/// This should usually be a <see cref="ReadOnlyChrootFileSystem"/> so that the file template
+		/// can use relative paths.
+		/// The template will keep a reference to the file system instance and use it when it is used to create
+		/// files/projects.
+		/// </param>
+		/// <returns><see cref="FileTemplate"/> or <see cref="ProjectTemplate"/> instance.</returns>
+		TemplateBase LoadTemplate(TextReader textReader, IReadOnlyFileSystem fileSystem);
 	}
 }

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

@@ -3,7 +3,12 @@
 
 using System;
 
-namespace ICSharpCode.SharpDevelop.Internal.Templates
+namespace ICSharpCode.SharpDevelop.Templates
 {
-
+	public abstract class ProjectTemplate : TemplateBase
+	{
+		public ProjectTemplate()
+		{
+		}
+	}
 }

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

@@ -0,0 +1,16 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Collections.Generic;
+using ICSharpCode.SharpDevelop.Project;
+
+namespace ICSharpCode.SharpDevelop.Templates
+{
+	/// <summary>
+	/// Represents the result of creating new projects using a project template.
+	/// </summary>
+	public class ProjectTemplateResult
+	{
+	}
+}

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

@@ -0,0 +1,19 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+
+namespace ICSharpCode.SharpDevelop.Templates
+{
+	/// <summary>
+	/// Common base class for <see cref="FileTemplate"/> and <see cref="ProjectTemplate"/>.
+	/// </summary>
+	public abstract class TemplateBase
+	{
+		public abstract string Name { get; }
+		public abstract string Category { get; }
+		public abstract string Subcategory { get; }
+		public abstract string Description { get; }
+		public abstract IImage Icon { get; }
+	}
+}

src/Main/Core/Project/Src/AddInTree/CoreStartup.cs

@@ -205,8 +205,8 @@ namespace ICSharpCode.Core
 				                               applicationName);
 			var container = ServiceSingleton.GetRequiredService<IServiceContainer>();
 			var propertyService = new PropertyServiceImpl(
-				configDirectory,
-				dataDirectory ?? Path.Combine(FileUtility.ApplicationRootPath, "data"),
+				DirectoryName.Create(configDirectory),
+				DirectoryName.Create(dataDirectory ?? Path.Combine(FileUtility.ApplicationRootPath, "data")),
 				propertiesName);
 			var applicationStateInfoService = new ApplicationStateInfoService();
 			addInTree = new AddInTreeImpl(applicationStateInfoService);

src/Main/Core/Project/Src/Services/PropertyService/IPropertyService.cs

@@ -18,13 +18,13 @@ namespace ICSharpCode.Core
 		/// Gets the configuration directory. (usually "%ApplicationData%\%ApplicationName%")
 		/// </summary>
 		/// <seealso cref="CoreStartup.ConfigDirectory"/>
-		string ConfigDirectory { get; }
+		DirectoryName ConfigDirectory { get; }
 		
 		/// <summary>
 		/// Gets the data directory (usually "ApplicationRootPath\data")
 		/// </summary>
 		/// <seealso cref="CoreStartup.DataDirectory"/>
-		string DataDirectory { get; }
+		DirectoryName DataDirectory { get; }
 		
 		/// <summary>
 		/// Gets the main properties container for this property service.

src/Main/Core/Project/Src/Services/PropertyService/PropertyService.cs

@@ -26,11 +26,11 @@ namespace ICSharpCode.Core
 			get { return Service.MainPropertiesContainer; }
 		}
 		
-		public static string ConfigDirectory {
+		public static DirectoryName ConfigDirectory {
 			get { return Service.ConfigDirectory; }
 		}
 		
-		public static string DataDirectory {
+		public static DirectoryName DataDirectory {
 			get { return Service.DataDirectory; }
 		}
 		

src/Main/Core/Project/Src/Services/PropertyService/PropertyServiceImpl.cs

@@ -16,8 +16,8 @@ namespace ICSharpCode.Core
 	{
 		string propertyFileName;
 		
-		string configDirectory;
-		string dataDirectory;
+		DirectoryName configDirectory;
+		DirectoryName dataDirectory;
 		
 		Properties properties;
 		
@@ -30,7 +30,7 @@ namespace ICSharpCode.Core
 			properties = new Properties();
 		}
 
-		public PropertyServiceImpl(string configDirectory, string dataDirectory, string propertiesName)
+		public PropertyServiceImpl(DirectoryName configDirectory, DirectoryName dataDirectory, string propertiesName)
 		{
 			this.configDirectory = configDirectory;
 			this.dataDirectory = dataDirectory;
@@ -39,13 +39,13 @@ namespace ICSharpCode.Core
 			LoadPropertiesFromStream(FileName.Create(Path.Combine(configDirectory, propertyFileName)));
 		}
 		
-		public string ConfigDirectory {
+		public DirectoryName ConfigDirectory {
 			get {
 				return configDirectory;
 			}
 		}
 		
-		public string DataDirectory {
+		public DirectoryName DataDirectory {
 			get {
 				return dataDirectory;
 			}

src/Main/SharpDevelop/Services/UIService.cs

@@ -5,10 +5,13 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Windows.Forms;
+
 using ICSharpCode.Core;
 using ICSharpCode.SharpDevelop.Gui;
 using ICSharpCode.SharpDevelop.Internal.Templates;
 using ICSharpCode.SharpDevelop.Project;
+using ICSharpCode.SharpDevelop.Project.Commands;
+using ICSharpCode.SharpDevelop.Project.Dialogs;
 using ICSharpCode.SharpDevelop.Templates;
 
 namespace ICSharpCode.SharpDevelop
@@ -48,5 +51,22 @@ namespace ICSharpCode.SharpDevelop
 				return result;
 			}
 		}
+		
+		public ProjectTemplateResult ShowNewProjectDialog(ISolutionFolder solutionFolder, IEnumerable<ICSharpCode.SharpDevelop.Templates.ProjectTemplate> templates)
+		{
+			using (NewProjectDialog npdlg = new NewProjectDialog(createNewSolution: solutionFolder == null)) {
+				npdlg.SolutionFolder = solutionFolder;
+				if (solutionFolder != null) {
+					npdlg.InitialProjectLocationDirectory = AddNewProjectToSolution.GetInitialDirectorySuggestion(solutionFolder);
+				}
+				
+				// show the dialog to request project type and name
+				if (npdlg.ShowDialog(SD.WinForms.MainWin32Window) == DialogResult.OK) {
+					return new ProjectTemplateResult();
+				} else {
+					return null;
+				}
+			}
+		}
 	}
 }

src/Main/SharpDevelop/SharpDevelop.csproj

@@ -150,6 +150,7 @@
     <Compile Include="Startup\App.xaml.cs" />
     <Compile Include="Startup\SharpDevelopMain.cs" />
     <Compile Include="Startup\SplashScreen.cs" />
+    <Compile Include="Templates\TemplateService.cs" />
     <Compile Include="WinForms\SDWindowsFormsHost.cs" />
     <Compile Include="WinForms\WinFormsMenuService.cs" />
     <Compile Include="WinForms\WinFormsService.cs" />
@@ -283,6 +284,7 @@
     <Folder Include="Dom" />
     <Folder Include="Editor" />
     <Folder Include="Editor\Bookmarks" />
+    <Folder Include="Templates" />
     <Folder Include="Project" />
     <Folder Include="Project\Build" />
     <Folder Include="Project\Build\MSBuildEngine" />

src/Main/SharpDevelop/Templates/TemplateService.cs

@@ -0,0 +1,55 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Xml;
+
+using ICSharpCode.Core;
+
+namespace ICSharpCode.SharpDevelop.Templates
+{
+	sealed class TemplateService : ITemplateService
+	{
+		const string TemplatePath = "/SharpDevelop/BackendBindings/Templates";
+		
+		Lazy<IReadOnlyList<TemplateBase>> allTemplates;
+		
+		public TemplateService()
+		{
+			allTemplates = new Lazy<IReadOnlyList<TemplateBase>>(LoadTemplates);
+		}
+		
+		public IEnumerable<FileTemplate> FileTemplates {
+			get { return allTemplates.Value.OfType<FileTemplate>(); }
+		}
+		
+		public IEnumerable<ProjectTemplate> ProjectTemplates {
+			get { return allTemplates.Value.OfType<ProjectTemplate>(); }
+		}
+		
+		IReadOnlyList<TemplateBase> LoadTemplates()
+		{
+			return SD.AddInTree.BuildItems<TemplateBase>(TemplatePath, this, false);
+		}
+		
+		public TemplateBase LoadTemplate(FileName fileName)
+		{
+			var fileSystem = SD.FileSystem;
+			using (TextReader reader = fileSystem.OpenText(fileName)) {
+				return LoadTemplate(reader, new ReadOnlyChrootFileSystem(fileSystem, fileName.GetParentDirectory()));
+			}
+		}
+		
+		public TemplateBase LoadTemplate(TextReader textReader, IReadOnlyFileSystem fileSystem)
+		{
+			try {
+				throw new NotImplementedException();
+			} catch (XmlException ex) {
+				throw new TemplateLoadException(ex.Message, ex);
+			}
+		}
+	}
+}