# container.py

from traits.api import CInt, Enum, HasTraits, Instance, String
from traitsui.api import Item, View


class Camera(HasTraits):
    """Camera object"""

    gain = Enum(
        1,
        2,
        3,
        desc="the gain index of the camera",
        label="gain",
    )

    exposure = CInt(
        10,
        desc="the exposure time, in ms",
        label="Exposure",
    )


class Display(HasTraits):
    string = String()

    view = View(Item('string', show_label=False, springy=True, style='custom'))


class Container(HasTraits):
    camera = Instance(Camera, ())
    display = Instance(Display, ())

    view = View(
        Item(
            'camera',
            style='custom',
            show_label=False,
        ),
        Item(
            'display',
            style='custom',
            show_label=False,
        ),
    )


Container().configure_traits()