def get_side_length_of_resize_handle(view, item):
    """Calculate the side length of a resize handle

    :param rafcon.gui.mygaphas.view.ExtendedGtkView view: View
    :param rafcon.gui.mygaphas.items.state.StateView item: StateView
    :return: side length
    :rtype: float
    """
    from rafcon.gui.mygaphas.items.state import StateView, NameView
    if isinstance(item, StateView):
        return item.border_width * view.get_zoom_factor() / 1.5
    elif isinstance(item, NameView):
        return item.parent.border_width * view.get_zoom_factor() / 2.5
    return 0
Calculate the side length of a resize handle

    :param rafcon.gui.mygaphas.view.ExtendedGtkView view: View
    :param rafcon.gui.mygaphas.items.state.StateView item: StateView
    :return: side length
    :rtype: float