private void ShowImages(ChildWindowEventArg args)
{
var childWindow = new ChildWindow
{
Content = args.View,
DataContext = args.ViewModel
};
PhotoViewModel photoViewModel = args.ViewModel as PhotoViewModel;
Action hideWindows = () => childWindow.Hide();
if (photoViewModel != null)
{
photoViewModel.HideWindow = () => hideWindows();
}
Action <object, KeyEventArgs> childWindowKeyUp =
(sender, e) =>
{
if (e.Key == Key.Escape)
{
hideWindows();
}
};
childWindow.KeyUp += (sender, e) => childWindowKeyUp(sender, e);
Action <ChildWindowScaleEventArgs> scaleCildWindow =
x => childWindow.WindowState = x.FullScale ? WindowState.Maximized : WindowState.Normal;
Func <ChildWindowScaleEventArgs, bool> canScaleCildWindow = x => x != null;
Messenger?.Register(CommandName.SetPhotoWindowState, scaleCildWindow, canScaleCildWindow);
childWindow.ShowDialog();
Messenger?.Unregister(CommandName.SetPhotoWindowState);
childWindow.Close();
}
public void ShowPhotos(List <byte[]> photos)
{
if (photos != null && photos.Any())
{
ObservableCollection <BitmapSource> photoCollection = ImageService.Assemble(photos);
var photoModel = new PhotoModel(photoCollection);
var photoViewModel = new PhotoViewModel(Messenger, ImageService, photoModel);
var photoView = new PhotoControl();
var args = new ChildWindowEventArg(photoView, photoViewModel);
Messenger.Send(CommandName.ShowImages, args);
}
}
private bool CanShowImages(ChildWindowEventArg args)
{
return(args != null && args.ViewModel != null && args.View != null);
}
