using System;

using System.Globalization;

using Microsoft.VisualStudio.Shell;

namespace PowerShellTools.Project

{

/// <summary>

/// This attribute registers a DeveloperActivity key.

/// If present, the position of the language root node

/// is controlled by the Developer Settings dialog box.

/// </summary>

internal sealed class DeveloperActivityAttribute : RegistrationAttribute

{

private readonly string _regKeyName;

private readonly string _developerActivity;

/// <summary>

/// Creates a new DeveloperActivityAttribute

/// </summary>

/// <param name="developerActivity">Name of language</param>

/// <param name="projectPackageType">Project package type</param>

public DeveloperActivityAttribute(string developerActivity, Type projectPackageType)

{

_developerActivity = developerActivity;

_regKeyName = string.Format(CultureInfo.InvariantCulture, "NewProjectTemplates\\TemplateDirs\\{0}\\/1", projectPackageType.GUID.ToString("B"));

}

/// <summary>

/// Called to register this attribute with the given context

/// </summary>

/// <param name="context">The registration context.</param>

public override void Register(RegistrationContext context)

{

var key = context.CreateKey(_regKeyName);

key.SetValue("DeveloperActivity", _developerActivity);

}

/// <summary>

/// Unregisters this package's load key information

/// </summary>

/// <param name="context">The registration context.</param>

public override void Unregister(RegistrationContext context)

{

context.RemoveKey(_regKeyName);

}

}

}