public AccessViewModel(IDialogRegister dialogRegister, IDialogLogin dialogLogin)
{
_dialogRegister = dialogRegister;
_dialogLogin = dialogLogin;
ActivateItem(_dialogLogin);
}
public void ShowDialog(IDialogRegister dialog)
{
try
{
_dialogAction.ShowDialog(dialog);
}
catch (Exception ex)
{
_errorAction(new Exception($"Unexpected error thrown by {dialog.Name} dialog.", ex));
}
}
public void ShowDialog(IDialogRegister dialog)
{
var windowEvents = new Subject<WindowEvent>();
var view = dialog.ViewFactory();
var viewModel = dialog.ViewModelFactory(windowEvents.AsObservable());
view.DataContext = viewModel;
var window = CreateWindow(view, dialog.Owner ?? _owner, dialog);
Observable.FromEventPattern<KeyEventHandler, KeyEventArgs>(h => window.KeyDown += h,
h => window.KeyDown -= h)
.Where(evp => evp.EventArgs.Key == Key.Escape)
.Take(1)
.Subscribe(e =>
{
window.Close();
e.EventArgs.Handled = true;
});
Observable.FromEventPattern(h => window.Closed += h,
h => window.Closed -= h)
.Take(1)
.Subscribe(e =>
{
windowEvents.OnNext(WindowEvent.Closed);
});
if (!(viewModel is IDialogAware))
{
window.Title = dialog.Name;
}
else
{
var dialogAware = viewModel as IDialogAware;
dialogAware.CloseCommand = new DelegateCommand(window.Close);
window.SetBinding(System.Windows.Window.TitleProperty, new Binding("Title") {Source = dialogAware});
}
_showAction(window, false);
}
private System.Windows.Window CreateWindow(FrameworkElement view, System.Windows.Window owner,
IDialogRegister dialog = null)
{
var window = new MetroWindow()
{
Content = view,
ResizeMode =
dialog == null
? ResizeMode.NoResize
: dialog.AllowResize ? ResizeMode.CanResize : ResizeMode.NoResize,
Topmost = !Debugger.IsAttached,
ShowInTaskbar = false,
WindowStartupLocation = WindowStartupLocation.CenterOwner
};
window.SetResourceReference(FrameworkElement.StyleProperty, "Window");
if (owner != null && owner.IsVisible)
window.Owner = owner;
if (dialog != null && dialog.Size.HasValue)
{
window.Width = dialog.Size.Value.Width;
window.Height = dialog.Size.Value.Height;
}
else if (double.IsNaN(view.Width) && double.IsNaN(view.Height))
{
window.SizeToContent = SizeToContent.WidthAndHeight;
var behaviors = Interaction.GetBehaviors(window);
if (behaviors != null)
behaviors.Add(new WindowChromeSizeToContentBehavior());
}
else if (double.IsNaN(view.Width))
{
window.SizeToContent = SizeToContent.Width;
window.Height = view.Height + SystemParameters.WindowCaptionHeight +
SystemParameters.ResizeFrameHorizontalBorderHeight;
}
else if (double.IsNaN(view.Height))
{
window.SizeToContent = SizeToContent.Height;
window.Width = view.Width +
SystemParameters.ResizeFrameHorizontalBorderHeight;
}
else
{
window.SizeToContent = SizeToContent.Manual;
window.Width = view.Width +
SystemParameters.ResizeFrameHorizontalBorderHeight;
window.Height = view.Height + SystemParameters.WindowCaptionHeight +
SystemParameters.ResizeFrameHorizontalBorderHeight;
}
return window;
}
