private void ShowFlyoutInternal(IDialogViewModel viewModel)
{
var view = (FrameworkElement)ViewLocator.GetViewForViewModel(viewModel);
var flyout = view as Flyout ?? new Flyout {
Content = view
};
flyout.IsOpen = true;
flyout.Position = Position.Right;
flyout.IsModal = true;
view.HorizontalAlignment = HorizontalAlignment.Left;
flyout.Resources.MergedDictionaries.Add(new ResourceDictionary {
Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/FlatButton.xaml")
});
EventHandler closedHandler = null;
closedHandler = (sender, args) => {
viewModel.Closed -= closedHandler;
flyout.IsOpen = false;
};
viewModel.Closed += closedHandler;
RoutedEventHandler closingFinishedHandler = null;
closingFinishedHandler = (o, eventArgs) => {
flyout.ClosingFinished -= closingFinishedHandler;
Remove(flyout);
};
flyout.ClosingFinished += closingFinishedHandler;
Add(flyout);
}
public Window ShowWindow(object viewModel, Window owningWindow = null)
{
var window = (Window)ViewLocator.GetViewForViewModel(viewModel);
window.Owner = owningWindow;
window.Show();
return(window);
}
public Window ShowWindow <TViewModel>(Window owningWindow = null)
{
var window = (Window)ViewLocator.GetViewForViewModel <TViewModel>();
window.Owner = owningWindow;
window.Show();
return(window);
}
private static void OnViewModelChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (DesignerProperties.GetIsInDesignMode(d))
{
return;
}
var self = (ViewModelPresenter)d;
self.Content = null;
if (e.NewValue != null)
{
var view = ViewLocator.GetViewForViewModel(e.NewValue);
self.Content = view;
}
}
public async Task ShowDialogAsync(DialogViewModel viewModel, MetroDialogSettings settings = null)
{
var view = ViewLocator.GetViewForViewModel(viewModel);
var dialog = view as BaseMetroDialog;
if (dialog == null)
{
throw new InvalidOperationException($"The view {view.GetType()} belonging to view model {viewModel.GetType()} does not inherit from {typeof(BaseMetroDialog)}");
}
dialog.Resources.MergedDictionaries.Add(new ResourceDictionary {
Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/FlatButton.xaml")
});
var firstMetroWindow = Application.Current.Windows.OfType <MetroWindow>().First();
await firstMetroWindow.ShowMetroDialogAsync(dialog, settings);
await viewModel.Task;
await firstMetroWindow.HideMetroDialogAsync(dialog, settings);
}