/// <summary>
/// Showing a standard dialog as fallback.
/// </summary>
/// <param name="vm"></param>
/// <returns></returns>
private DialogResult ShowDialog(DialogViewModel vm)
{
var dialog = new ModernDialog
{
Title = vm.Title,
DataContext = vm
};
dialog.ShowDialog();
switch (dialog.Result)
{
case DialogResult.OK:
return(DialogResult.OK);
case DialogResult.Cancel:
return(DialogResult.Cancel);
case DialogResult.Yes:
return(DialogResult.Yes);
case DialogResult.No:
return(DialogResult.No);
case DialogResult.None:
default:
return(DialogResult.None);
}
}
protected virtual DialogResult Show(DialogViewModel viewModel)
{
var result = Application.Current.Dispatcher.Invoke(
() =>
{
var window = Application.Current.MainWindow as ModernWindow;
if (window == null)
{
return(DialogResult.None);
}
var dialog = new ModernPopup {
DataContext = viewModel
};
return(dialog.RunDialog(window, this, viewModel));
}, DispatcherPriority.Background);
return(result);
}
internal DialogResult RunDialog(ModernWindow owner, IDialogHandler dialogHandler, DialogViewModel viewModel)
{
this.Result = null;
var decorator = owner.AdornerDecorator;
if (decorator == null || !owner.IsActive)
{
return(ShowDialog(viewModel));
}
AdornerLayer adornerLayer = decorator.AdornerLayer;
var uiElement = decorator.Child;
if (adornerLayer == null || uiElement == null)
{
return(ShowDialog(viewModel));
}
var adorner = new ContentAdorner(uiElement, this);
adornerLayer.Add(adorner);
while (this.Result == null)
{
DoEvents();
}
adornerLayer.Remove(adorner);
return(this.Result.Value);
}