protected void Handle_Mouse_Down(MouseButtonEventArgs e)
{
if (e.ClickCount > 1)
return;
e.Handled = true;
var position = e.GetPosition(this);
var elements = VisualTreeHelper.FindElementsInHostCoordinates(position, this);
var itemContainer = elements.OfType<WidgetItemContainer>().FirstOrDefault();
if (itemContainer == null)
itemContainer = GetWidgets().Where(w => IsInside(w, e)).FirstOrDefault();
if (itemContainer == null)
return;
Selected_Element = itemContainer;
OriginalPosition = e.GetPosition(this);
MouseToElementRelativePosition = e.GetPosition(itemContainer);
Selected_Element.CaptureMouse();
Bring_To_Front(itemContainer);
if (elements.OfType<Grid>().Any(i => i.Name == "resizeAncor"))
{
Action = EditAction.Resizing;
VisualStateManager.GoToState(Selected_Element, "Dragging", true);
}
else
{
Action = EditAction.Moving;
VisualStateManager.GoToState(Selected_Element, "Dragging", true);
}
}
