private void OnGemCreated(GemManager sender, GemController gemController)
{
GemControllerWrapper wrapper = new GemControllerWrapper(gemController);
DrawCanvas.Children.Add(wrapper.GemImage);
DrawCanvas.Children.Add(wrapper.SpecialImage);
wrapper.GemImage.MouseDown += Image_MouseDown;
wrapper.OnOverEvent += OnGemWrapperOver;
gemControllers.Add(wrapper);
}
private void OnGemWrapperOver(GemControllerWrapper sender)
{
Dispatcher.Invoke(() =>
{
DrawCanvas.Children.Remove(sender.GemImage);
DrawCanvas.Children.Remove(sender.SpecialImage);
sender.GemImage.MouseDown -= Image_MouseDown;
sender.OnOverEvent -= OnGemWrapperOver;
gemControllers.Remove(sender);
});
}
private void Image_MouseDown(object sender, MouseButtonEventArgs e)
{
if (sender is Image)
{
Image img_sender = sender as Image;
if (img_sender.Tag != null && img_sender.Tag is GemControllerWrapper)
{
selectedGem = img_sender.Tag as GemControllerWrapper;
mouseDownPosition = e.GetPosition(this);
}
}
}
private void Window_MouseUp(object sender, MouseButtonEventArgs e)
{
if (selectedGem != null)
{
Point mousePos = e.GetPosition(this);
Direction direction = CalculateDirection(mousePos, mouseDownPosition);
if (!selectedGem.GetConstrains().HasFlag(direction))
{
selectedGem.MoveTo(direction);
}
selectedGem = null;
}
}
