/// <summary>
/// Creates an instance of <see cref="InteractionContext" /> from <see cref="InteractionRequestEventArgs" />
/// —оздет контекст <see cref="InteractionContext" /> дл¤ запроса <see cref="InteractionRequestEventArgs" />
/// </summary>
/// <param name="args">An instance of <see cref="InteractionRequestEventArgs" /> to convert from</param>
/// <returns>Created instance of <see cref="InteractionContext" /></returns>
public static InteractionContext FromArguemnts(InteractionRequestEventArgs args)
{
IInteractionView view = args.InteractionProvider.InteractionView;
IInteractionViewModel viewModel = args.InteractionProvider.InteractionViewModel;
view.DataContext = viewModel;
return(new InteractionContext
{
Invoker = args.InterceptorsInvoker,
Callback = args.Callback,
ViewModel = viewModel,
View = view
});
}
/// <summary>
/// Вызывается при выводе интерактивных окон
/// </summary>
/// <param name="args"></param>
private void OnModalDialogInteraction(InteractionRequestEventArgs args)
{
if (args.IsCanceled)
{
if (this._context == null)
{
return;
}
DestroyDialog();
return;
}
/*TODO: deal with multiple dialogs request.*/
if (this._context != null)
{
return;
}
this._context = InteractionContext.FromArguemnts(args);
EventHandler closeHandler = null;
closeHandler = (sender, ar) =>
{
this._context.ViewModel.OnInteractionComplete -= closeHandler;
this._context.Callback();
};
this._context.BeforeInitialization();
this._context.ViewModel.OnInteractionComplete += closeHandler;
this._context.CurrentViewContent = new InteractionViewContent {
Content = this._context.View
};
this._context.CurrentViewContent.SetValue(Grid.RowSpanProperty,
AssociatedObject.RowDefinitions.Count == 0 ? 1 : AssociatedObject.RowDefinitions.Count);
this._context.CurrentViewContent.SetValue(Grid.ColumnSpanProperty,
AssociatedObject.ColumnDefinitions.Count == 0 ? 1 : AssociatedObject.ColumnDefinitions.Count);
AssociatedObject.Children.Add(this._context.CurrentViewContent);
this._context.AfterInitialization();
}
