/// <summary>
/// Initializes a new instance of the <see cref="DbContextItemTemplateWizard"/> class.
/// </summary>
/// <param name="model">The <see cref="ViewItemTemplateWizardViewModel">model</see> for the view.</param>
/// <param name="projectInformation">The source <see cref="ProjectInformation">project information</see> used for browsing existing types.</param>
/// <param name="shell">The <see cref="IVsUIShell">shell</see> used to provide user feedback.</param>
/// <param name="dataExplorerConnectionManager">The <see cref="Lazy{T}">on-demand</see> <see cref="IVsDataConnectionDialogFactory"/> used to create new data connections.</param>
/// <param name="dataConnectionDialogFactory">The <see cref="Lazy{T}">on-demand</see> <see cref="IVsDataExplorerConnectionManager">data explorer connection manager</see> used to add created data connections.</param>
public DbContextItemTemplateWizard(
DbContextItemTemplateWizardViewModel model,
ProjectInformation projectInformation,
IVsUIShell shell,
Lazy<IVsDataConnectionDialogFactory> dataConnectionDialogFactory,
Lazy<IVsDataExplorerConnectionManager> dataExplorerConnectionManager )
{
Arg.NotNull( shell, nameof( shell ) );
Arg.NotNull( dataConnectionDialogFactory, nameof( dataConnectionDialogFactory ) );
Arg.NotNull( dataExplorerConnectionManager, nameof( dataExplorerConnectionManager ) );
InitializeComponent();
Model = model;
projectInfo = projectInformation;
this.shell = shell;
this.dataConnectionDialogFactory = dataConnectionDialogFactory;
this.dataExplorerConnectionManager = dataExplorerConnectionManager;
}
/// <summary>
/// Attempts to run the template wizard.
/// </summary>
/// <param name="shell">The <see cref="IVsUIShell">shell</see> associated with the wizard.</param>
/// <returns>True if the wizard completed successfully; otherwise, false if the wizard was canceled.</returns>
protected override bool TryRunWizard( IVsUIShell shell )
{
Arg.NotNull( shell, nameof( shell ) );
var model = new DbContextItemTemplateWizardViewModel();
var mapper = CreateMapper( model );
var view = CreateView( model, shell );
var statusBar = DesignTimeEnvironment.StatusBar;
// the mapping relies on visual studio enumerating the available data sources,
// which could take a while. we [seemingly] cannot run this in the background
// so provide the user with some feedback to let them know we are doing work.
statusBar.Text = SR.StatusInitializingDataSources;
mapper.Map( Context.Replacements, model );
statusBar.Clear();
if ( !( view.ShowDialog( shell ) ?? false ) )
return false;
// map model back to replacements
mapper.Map( model, Context.Replacements );
return true;
}
private DbContextItemTemplateWizard CreateView( DbContextItemTemplateWizardViewModel model, IVsUIShell shell )
{
Contract.Requires( model != null );
Contract.Requires( shell != null );
Contract.Ensures( Contract.Result<DbContextItemTemplateWizard>() != null );
var projectInfo = new ProjectInformation( Project );
var dataConnectionDialogFactory = new Lazy<IVsDataConnectionDialogFactory>( Context.GetRequiredService<IVsDataConnectionDialogFactory> );
var dataExplorerConnectionManager = new Lazy<IVsDataExplorerConnectionManager>( Context.GetRequiredService<IVsDataExplorerConnectionManager> );
return new DbContextItemTemplateWizard( model, projectInfo, shell, dataConnectionDialogFactory, dataExplorerConnectionManager );
}
private DbContextReplacementsMapper CreateMapper( DbContextItemTemplateWizardViewModel model )
{
Contract.Requires( model != null );
Contract.Ensures( Contract.Result<DbContextReplacementsMapper>() != null );
var dataProviderManager = Context.GetRequiredService<IVsDataProviderManager>();
var providerMapper = new Lazy<IDTAdoDotNetProviderMapper>( Context.GetRequiredService<IDTAdoDotNetProviderMapper> );
var dataExplorerConnectionManager = Context.GetRequiredService<IVsDataExplorerConnectionManager>();
Func<IVsDataConnectionManager> dataConnectionManagerFactory = Context.GetRequiredService<IVsDataConnectionManager>;
IGlobalConnectionService globalConnectionService;
// we honor the global connection service if available, but we don't need it
Context.TryGetService( out globalConnectionService );
return new DbContextReplacementsMapper( Project, Context, dataProviderManager, globalConnectionService, providerMapper, dataExplorerConnectionManager, dataConnectionManagerFactory );
}
private void UnwireInteractionRequests( DbContextItemTemplateWizardViewModel model )
{
if ( model == null )
return;
model.InteractionRequests["BrowseForModel"].Requested -= OnBrowseForModel;
model.InteractionRequests["AddDataConnection"].Requested -= OnAddDataConnection;
}