Add recent packages to Add Package Reference dialog.

src/AddIns/Misc/PackageManagement/Project/PackageManagement.csproj

@@ -143,6 +143,8 @@
     </Compile>
     <Compile Include="Src\Pages.cs" />
     <Compile Include="Src\ProjectTargetFramework.cs" />
+    <Compile Include="Src\RecentPackageRepository.cs" />
+    <Compile Include="Src\RecentPackagesViewModel.cs" />
     <Compile Include="Src\RegisteredPackageSource.cs" />
     <Compile Include="Src\RegisteredPackageSources.cs" />
     <Compile Include="Src\SelectedListBoxItemScrollingBehaviour.cs" />

src/AddIns/Misc/PackageManagement/Project/Src/AddPackageReferenceView.xaml

@@ -48,6 +48,11 @@
 					x:Name="packageUpdatesView"
 					DataContext="{Binding Path=PackageUpdatesViewModel}"/>
 			</TabItem>
+			<TabItem Header="Recent">
+				<pm:PackagesView
+					x:Name="recentPackagesView"
+					DataContext="{Binding Path=RecentPackagesViewModel}"/>
+			</TabItem>
 		</TabControl>
 	</DockPanel>
 </Window>

src/AddIns/Misc/PackageManagement/Project/Src/AddPackageReferenceViewModel.cs

@@ -14,6 +14,7 @@ namespace ICSharpCode.PackageManagement
 		InstalledPackagesViewModel installedPackagesViewModel;
 		AvailablePackagesViewModel availablePackagesViewModel;
 		PackageUpdatesViewModel packageUpdatesViewModel;
+		RecentPackagesViewModel recentPackagesViewModel;
 		
 		public AddPackageReferenceViewModel(
 			IPackageManagementService packageManagementService,
@@ -22,13 +23,15 @@ namespace ICSharpCode.PackageManagement
 			this.packageManagementService = packageManagementService;
 			this.packageManagementService.OutputMessagesView.Clear();
 			
-			installedPackagesViewModel = new InstalledPackagesViewModel(packageManagementService, taskFactory);
 			availablePackagesViewModel = new AvailablePackagesViewModel(packageManagementService, taskFactory);
+			installedPackagesViewModel = new InstalledPackagesViewModel(packageManagementService, taskFactory);
 			packageUpdatesViewModel = new PackageUpdatesViewModel(packageManagementService, taskFactory);
+			recentPackagesViewModel = new RecentPackagesViewModel(packageManagementService, taskFactory);
 			
-			installedPackagesViewModel.ReadPackages();
 			availablePackagesViewModel.ReadPackages();
+			installedPackagesViewModel.ReadPackages();
 			packageUpdatesViewModel.ReadPackages();
+			recentPackagesViewModel.ReadPackages();
 		}
 		
 		public InstalledPackagesViewModel InstalledPackagesViewModel {
@@ -42,5 +45,9 @@ namespace ICSharpCode.PackageManagement
 		public PackageUpdatesViewModel PackageUpdatesViewModel {
 			get { return packageUpdatesViewModel; }
 		}
+		
+		public RecentPackagesViewModel RecentPackagesViewModel {
+			get { return recentPackagesViewModel; }
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Project/Src/Design/FakePackageManagementService.cs

@@ -133,5 +133,11 @@ namespace ICSharpCode.PackageManagement.Design
 		public IPackageManagementOutputMessagesView OutputMessagesView {
 			get { return FakeOutputMessagesView; }
 		}
+		
+		public FakePackageRepository FakeRecentPackageRepository = new FakePackageRepository();
+		
+		public IPackageRepository RecentPackageRepository {
+			get { return FakeRecentPackageRepository; }
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Project/Src/IPackageManagementService.cs

@@ -15,6 +15,7 @@ namespace ICSharpCode.PackageManagement
 		IPackageRepository CreateAggregatePackageRepository();
 		IPackageRepository ActivePackageRepository { get; }
 		IProjectManager ActiveProjectManager { get; }
+		IPackageRepository RecentPackageRepository { get; }
 		
 		void InstallPackage(IPackageRepository repository, IPackage package, IEnumerable<PackageOperation> operations);
 		void UninstallPackage(IPackageRepository repository, IPackage package);

src/AddIns/Misc/PackageManagement/Project/Src/PackageManagementService.cs

@@ -19,6 +19,7 @@ namespace ICSharpCode.PackageManagement
 		IPackageManagementProjectService projectService;
 		IPackageRepository activePackageRepository;
 		PackageSource activePackageSource;
+		RecentPackageRepository recentPackageRepository;
 		
 		public PackageManagementService(
 			PackageManagementOptions options,
@@ -70,16 +71,32 @@ namespace ICSharpCode.PackageManagement
 			}
 		}
 		
-		public IPackageRepository ActivePackageRepository {
-			get { return GetActivePackageRepository(); }
+		public IPackageRepository RecentPackageRepository {
+			get {
+				if (recentPackageRepository == null) {
+					CreateRecentPackageRepository();
+				}
+				return recentPackageRepository;
+			}
 		}
 		
-		IPackageRepository GetActivePackageRepository()
+		void CreateRecentPackageRepository()
 		{
-			if (activePackageRepository == null) {
-				activePackageRepository = packageRepositoryCache.CreateRepository(ActivePackageSource);
+			recentPackageRepository = new RecentPackageRepository();
+		}
+		
+		public IPackageRepository ActivePackageRepository {
+			get {
+				if (activePackageRepository == null) {
+					CreateActivePackageRepository();
+				}
+				return activePackageRepository;
 			}
-			return activePackageRepository;
+		}
+		
+		void CreateActivePackageRepository()
+		{
+			activePackageRepository = packageRepositoryCache.CreateRepository(ActivePackageSource);
 		}
 		
 		public IProjectManager ActiveProjectManager {
@@ -101,6 +118,7 @@ namespace ICSharpCode.PackageManagement
 			ISharpDevelopPackageManager packageManager = CreatePackageManager(packageRepository);
 			packageManager.InstallPackage(package, operations);
 			projectService.RefreshProjectBrowser();
+			RecentPackageRepository.AddPackage(package);
 			OnPackageInstalled();
 		}
 		

src/AddIns/Misc/PackageManagement/Project/Src/RecentPackageRepository.cs

@@ -0,0 +1,77 @@
+// 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.Linq;
+using NuGet;
+
+namespace ICSharpCode.PackageManagement
+{
+	public class RecentPackageRepository : IPackageRepository
+	{
+		public const int DefaultMaximumPackagesCount = 20;
+		
+		List<IPackage> packages = new List<IPackage>();
+		int maximumPackagesCount = DefaultMaximumPackagesCount;
+		
+		public RecentPackageRepository()
+		{
+		}
+		
+		public string Source {
+			get { return "RecentPackages"; }
+		}
+		
+		public void AddPackage(IPackage package)
+		{
+			RemovePackageIfAlreadyAdded(package);
+			AddPackageAtBeginning(package);
+			RemoveLastPackageIfCurrentPackageCountExceedsMaximum();
+		}
+		
+		void RemovePackageIfAlreadyAdded(IPackage package)
+		{
+			int index = FindPackage(package);
+			if (index >= 0) {
+				packages.RemoveAt(index);
+			}
+		}
+		
+		int FindPackage(IPackage package)
+		{
+			return packages.FindIndex(p => PackageEqualityComparer.IdAndVersion.Equals(package, p));
+		}
+		
+		void AddPackageAtBeginning(IPackage package)
+		{
+			packages.Insert(0, package);
+		}
+		
+		void RemoveLastPackageIfCurrentPackageCountExceedsMaximum()
+		{
+			if (packages.Count > maximumPackagesCount) {
+				RemoveLastPackage();
+			}
+		}
+
+		void RemoveLastPackage()
+		{
+			packages.RemoveAt(packages.Count - 1);
+		}
+		
+		public void RemovePackage(IPackage package)
+		{
+		}
+		
+		public IQueryable<IPackage> GetPackages()
+		{
+			return packages.AsQueryable();
+		}
+		
+		public int MaximumPackagesCount {
+			get { return maximumPackagesCount; }
+			set { maximumPackagesCount = value; }
+		}
+	}
+}

src/AddIns/Misc/PackageManagement/Project/Src/RecentPackagesViewModel.cs

@@ -0,0 +1,31 @@
+// 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.Linq;
+using NuGet;
+
+namespace ICSharpCode.PackageManagement
+{
+	public class RecentPackagesViewModel : PackagesViewModel
+	{
+		IPackageRepository recentPackageRepository;
+		
+		public RecentPackagesViewModel(IPackageManagementService packageManagementService, ITaskFactory taskFactory)
+			: base(packageManagementService, taskFactory)
+		{
+			recentPackageRepository = packageManagementService.RecentPackageRepository;
+			packageManagementService.PackageInstalled += PackageInstalled;
+		}
+		
+		void PackageInstalled(object sender, EventArgs e)
+		{
+			ReadPackages();
+		}
+		
+		protected override IQueryable<IPackage> GetAllPackages()
+		{
+			return recentPackageRepository.GetPackages();
+		}
+	}
+}

src/AddIns/Misc/PackageManagement/Test/PackageManagement.Tests.csproj

@@ -123,6 +123,8 @@
     <Compile Include="Src\PackageUpdatesViewModelTests.cs" />
     <Compile Include="Src\PackageViewModelTests.cs" />
     <Compile Include="Src\PagesTests.cs" />
+    <Compile Include="Src\RecentPackageRepositoryTests.cs" />
+    <Compile Include="Src\RecentPackagesViewModelTests.cs" />
     <Compile Include="Src\RegisteredPackageSourcesTests.cs" />
     <Compile Include="Src\SelectedListBoxItemScrollingBehaviourTests.cs" />
     <Compile Include="Src\SharpDevelopPackageManagerFactoryTests.cs" />

src/AddIns/Misc/PackageManagement/Test/Src/AddPackageReferenceViewModelTests.cs

@@ -98,5 +98,19 @@ namespace PackageManagement.Tests
 			
 			Assert.IsTrue(fakePackageManagementService.FakeOutputMessagesView.IsClearCalled);
 		}
+		
+		[Test]
+		public void RecentPackagesViewModel_RecentRepositoryHasOnePackage_HasOnePackageViewModel()
+		{
+			CreatePackageManagementService();
+			var package = new FakePackage();
+			package.Id = "Test";
+			fakePackageManagementService.FakeRecentPackageRepository.FakePackages.Add(package);
+			CreateViewModel(fakePackageManagementService);
+
+			List<FakePackage> expectedPackages = fakePackageManagementService.FakeRecentPackageRepository.FakePackages;
+			
+			PackageCollectionAssert.AreEqual(expectedPackages, viewModel.RecentPackagesViewModel.PackageViewModels);
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Test/Src/PackageManagementServiceTests.cs

@@ -468,5 +468,21 @@ namespace PackageManagement.Tests
 			
 			Assert.AreEqual(expectedLogger, actualLogger);
 		}
+		
+		[Test]
+		public void InstallPackage_OnePackageOperation_PackageInstalledAddedToRecentPackagesRepository()
+		{
+			CreatePackageManagementService();
+			installPackageHelper.AddPackageInstallOperation();
+			installPackageHelper.InstallTestPackage();
+			
+			var recentPackages = packageManagementService.RecentPackageRepository.GetPackages();
+			
+			var expectedPackages = new FakePackage[] {
+				installPackageHelper.TestPackage
+			};
+			
+			PackageCollectionAssert.AreEqual(expectedPackages, recentPackages);
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Test/Src/RecentPackageRepositoryTests.cs

@@ -0,0 +1,111 @@
+// 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.Linq;
+using ICSharpCode.PackageManagement;
+using ICSharpCode.PackageManagement.Design;
+using NuGet;
+using NUnit.Framework;
+using PackageManagement.Tests.Helpers;
+
+namespace PackageManagement.Tests
+{
+	[TestFixture]
+	public class RecentPackageRepositoryTests
+	{
+		RecentPackageRepository repository;
+		
+		void CreateRepository()
+		{
+			repository = new RecentPackageRepository();
+		}
+		
+		FakePackage AddOnePackageToRepository(string id)
+		{
+			var package = new FakePackage(id);
+			repository.AddPackage(package);
+			return package;
+		}
+		
+		IEnumerable<IPackage> AddTwoDifferentPackagesToRepository()
+		{
+			yield return AddOnePackageToRepository("Test.Package.1");
+			yield return AddOnePackageToRepository("Test.Package.2");
+		}
+
+		IEnumerable<IPackage> AddFourDifferentPackagesToRepository()
+		{
+			yield return AddOnePackageToRepository("Test.Package.1");
+			yield return AddOnePackageToRepository("Test.Package.2");
+			yield return AddOnePackageToRepository("Test.Package.3");
+			yield return AddOnePackageToRepository("Test.Package.4");
+		}
+		
+		[Test]
+		public void Source_NewRecentRepositoryCreated_IsRecentPackages()
+		{
+			CreateRepository();
+			Assert.AreEqual("RecentPackages", repository.Source);
+		}
+		
+		[Test]
+		public void GetPackages_RepositoryIsEmptyAndOnePackageAdded_ReturnsPackageAdded()
+		{
+			CreateRepository();
+			var package = AddOnePackageToRepository("Test.Package");
+			
+			var packages = repository.GetPackages();
+			
+			var expectedPackages = new FakePackage[] {
+				package
+			};
+			
+			PackageCollectionAssert.AreEqual(expectedPackages, packages);
+		}
+		
+		[Test]
+		public void GetPackages_RepositoryIsEmptyAndTwoDifferentPackagesAdded_ReturnsPackagesInReverseOrderWithLastAddedFirst()
+		{
+			CreateRepository();
+			var packagesAdded = AddTwoDifferentPackagesToRepository();
+			
+			var packages = repository.GetPackages();
+			
+			var expectedPackages = packagesAdded.Reverse();
+			
+			PackageCollectionAssert.AreEqual(expectedPackages, packages);
+		}
+		
+		[Test]
+		public void GetPackages_RepositoryCanHoldThreePackagesAndFourPackagesAdded_ReturnsLastThreePackagesAddedInReverseOrder()
+		{
+			CreateRepository();
+			repository.MaximumPackagesCount = 3;
+			var packagesAdded = AddFourDifferentPackagesToRepository();
+			
+			var packages = repository.GetPackages();
+			
+			var expectedPackages = packagesAdded.Reverse().Take(3);
+			
+			PackageCollectionAssert.AreEqual(expectedPackages, packages);	
+		}
+		
+		[Test]
+		public void GetPackages_RepositoryIsEmptyAndSamePackageIsAddedTwice_OnePackageReturned()
+		{
+			CreateRepository();
+			AddOnePackageToRepository("Test");
+			var package = AddOnePackageToRepository("Test");
+			
+			var packages = repository.GetPackages();
+			
+			var expectedPackages = new FakePackage[] {
+				package
+			};
+			
+			PackageCollectionAssert.AreEqual(expectedPackages, packages);
+		}
+	}
+}

src/AddIns/Misc/PackageManagement/Test/Src/RecentPackagesViewModelTests.cs

@@ -0,0 +1,67 @@
+// 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 ICSharpCode.PackageManagement;
+using ICSharpCode.PackageManagement.Design;
+using NUnit.Framework;
+using PackageManagement.Tests.Helpers;
+
+namespace PackageManagement.Tests
+{
+	[TestFixture]
+	public class RecentPackagesViewModelTests
+	{
+		RecentPackagesViewModel viewModel;
+		FakePackageManagementService packageManagementService;
+		FakeTaskFactory taskFactory;
+		
+		void CreateViewModel()
+		{
+			CreatePackageManagementService();
+			CreateViewModel(packageManagementService);
+		}
+		
+		void CreatePackageManagementService()
+		{
+			packageManagementService = new FakePackageManagementService();
+		}
+		
+		void CreateViewModel(FakePackageManagementService packageManagementService)
+		{
+			taskFactory = new FakeTaskFactory();
+			viewModel = new RecentPackagesViewModel(packageManagementService, taskFactory);			
+		}
+		
+		void CompleteReadPackagesTask()
+		{
+			taskFactory.ExecuteAllFakeTasks();
+		}
+		
+		void ClearReadPackagesTasks()
+		{
+			taskFactory.ClearAllFakeTasks();
+		}
+
+		[Test]
+		public void PackageViewModels_PackageIsInstalledAfterRecentPackagesDisplayed_PackagesOnDisplayAreUpdated()
+		{
+			CreateViewModel();
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			var package = new FakePackage("Test");
+			FakePackageRepository repository = packageManagementService.FakeRecentPackageRepository;
+			repository.FakePackages.Add(package);
+			
+			ClearReadPackagesTasks();
+			packageManagementService.FirePackageInstalled();
+			CompleteReadPackagesTask();
+			
+			var expectedPackages = new FakePackage[] {
+				package
+			};
+		
+			PackageCollectionAssert.AreEqual(expectedPackages, viewModel.PackageViewModels);
+		}
+	}
+}