ILSpy/ILSpy.AddIn.VS2022/Commands/OpenReferenceCommand.cs

// Copyright (c) 2018 Siegfried Pammer
//
// 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.Linq;

using EnvDTE;

using Microsoft.VisualStudio.Shell;

using VSLangProj;

namespace ICSharpCode.ILSpy.AddIn.Commands
{
	class OpenReferenceCommand : ILSpyCommand
	{
		static OpenReferenceCommand instance;

		public OpenReferenceCommand(ILSpyAddInPackage owner)
			: base(owner, PkgCmdIDList.cmdidOpenReferenceInILSpy)
		{
			ThreadHelper.ThrowIfNotOnUIThread();
		}

		protected override void OnBeforeQueryStatus(object sender, EventArgs e)
		{
			ThreadHelper.ThrowIfNotOnUIThread();

			if (sender is OleMenuCommand menuItem)
			{
				menuItem.Visible = false;

				var selectedItemData = owner.GetSelectedItemsData<object>().FirstOrDefault();
				if (selectedItemData == null)
					return;

				/*
				 * Assure that we only show the context menu item on items we intend:
				 * - Project references
				 * - NuGet package references
				 */
				if ((AssemblyReferenceForILSpy.Detect(selectedItemData) != null)
					|| (ProjectReferenceForILSpy.Detect(selectedItemData) != null)
					|| (NuGetReferenceForILSpy.Detect(selectedItemData) != null))
				{
					menuItem.Visible = true;
				}
			}
		}

		protected override void OnExecute(object sender, EventArgs e)
		{
			ThreadHelper.ThrowIfNotOnUIThread();

			var itemObject = owner.GetSelectedItemsData<object>().FirstOrDefault();
			if (itemObject == null)
				return;

			var referenceItem = AssemblyReferenceForILSpy.Detect(itemObject);
			if (referenceItem != null)
			{
				Reference reference = itemObject as Reference;
				var project = reference.ContainingProject;
				var roslynProject = owner.Workspace.CurrentSolution.Projects.FirstOrDefault(p => p.FilePath == project.FileName);
				var references = GetReferences(roslynProject);
				var parameters = referenceItem.GetILSpyParameters(references);
				if (references.TryGetValue(reference.Name, out var path))
					OpenAssembliesInILSpy(parameters);
				else
					owner.ShowMessage("Could not find reference '{0}', please ensure the project and all references were built correctly!", reference.Name);
				return;
			}

			// Handle project references
			var projectRefItem = ProjectReferenceForILSpy.Detect(itemObject);
			if (projectRefItem != null)
			{
				var projectItem = itemObject as ProjectItem;
				string fileName = projectItem.ContainingProject?.FileName;
				if (!string.IsNullOrEmpty(fileName))
				{
					var roslynProject = owner.Workspace.CurrentSolution.Projects.FirstOrDefault(p => p.FilePath == fileName);
					var references = GetReferences(roslynProject);
					if (references.TryGetValue(projectItem.Name, out DetectedReference path))
					{
						OpenAssembliesInILSpy(projectRefItem.GetILSpyParameters(references));
						return;
					}
				}

				OpenAssembliesInILSpy(projectRefItem.GetILSpyParameters());
				return;
			}

			// Handle NuGet references
			var nugetRefItem = NuGetReferenceForILSpy.Detect(itemObject);
			if (nugetRefItem != null)
			{
				OpenAssembliesInILSpy(nugetRefItem.GetILSpyParameters());
				return;
			}
		}

		internal static void Register(ILSpyAddInPackage owner)
		{
			ThreadHelper.ThrowIfNotOnUIThread();

			instance = new OpenReferenceCommand(owner);
		}
	}

}