aspnetcore/tooling/Microsoft.VisualStudio.Razo.../DocumentInfo/RazorDocumentInfoWindowComm...

107 lines
3.7 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
#if RAZOR_EXTENSION_DEVELOPER_MODE
using System;
using System.ComponentModel.Design;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;
namespace Microsoft.VisualStudio.RazorExtension.DocumentInfo
{
/// <summary>
/// Command handler
/// </summary>
internal sealed class RazorDocumentInfoWindowCommand
{
/// <summary>
/// Command ID.
/// </summary>
public const int CommandId = 0x101;
/// <summary>
/// Command menu group (command set GUID).
/// </summary>
public static readonly Guid CommandSet = new Guid("eaaf8ee4-d120-4a4d-8b58-b138b7f00b96");
/// <summary>
/// VS Package that provides this command, not null.
/// </summary>
private readonly Package package;
/// <summary>
/// Initializes a new instance of the <see cref="RazorDocumentInfoWindowCommand"/> class.
/// Adds our command handlers for menu (commands must exist in the command table file)
/// </summary>
/// <param name="package">Owner package, not null.</param>
private RazorDocumentInfoWindowCommand(Package package)
{
if (package == null)
{
throw new ArgumentNullException("package");
}
this.package = package;
OleMenuCommandService commandService = this.ServiceProvider.GetService(typeof(IMenuCommandService)) as OleMenuCommandService;
if (commandService != null)
{
var menuCommandID = new CommandID(CommandSet, CommandId);
var menuItem = new MenuCommand(this.ShowToolWindow, menuCommandID);
commandService.AddCommand(menuItem);
}
}
/// <summary>
/// Gets the instance of the command.
/// </summary>
public static RazorDocumentInfoWindowCommand Instance
{
get;
private set;
}
/// <summary>
/// Gets the service provider from the owner package.
/// </summary>
private IServiceProvider ServiceProvider
{
get
{
return this.package;
}
}
/// <summary>
/// Initializes the singleton instance of the command.
/// </summary>
/// <param name="package">Owner package, not null.</param>
public static void Initialize(Package package)
{
Instance = new RazorDocumentInfoWindowCommand(package);
}
/// <summary>
/// Shows the tool window when the menu item is clicked.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event args.</param>
private void ShowToolWindow(object sender, EventArgs e)
{
// Get the instance number 0 of this tool window. This window is single instance so this instance
// is actually the only one.
// The last flag is set to true so that if the tool window does not exists it will be created.
ToolWindowPane window = this.package.FindToolWindow(typeof(RazorDocumentInfoWindow), 0, true);
if ((null == window) || (null == window.Frame))
{
throw new NotSupportedException("Cannot create tool window");
}
IVsWindowFrame windowFrame = (IVsWindowFrame)window.Frame;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(windowFrame.Show());
}
}
}
#endif