#  Copyright (c) 2007, Enthought, Inc.
#  License: BSD Style.

"""
Implemention of a ListEditor demo plugin for Traits UI demo program

This demo shows each of the four styles of ListEditor
"""

# Imports:
from traits.api \
    import HasTraits, List, Str

from traitsui.api \
    import Item, Group, View

# Define the demo class:


class ListEditorDemo(HasTraits):
    """ Defines the main ListEditor demo class. """

    # Define a List trait to display:
    play_list = List(Str, ["The Merchant of Venice", "Hamlet", "MacBeth"])

    # Items are used to define display, one per editor style:
    list_group = Group(
        Item('play_list', style='simple', label='Simple', height=75),
        Item('_'),
        Item('play_list', style='custom', label='Custom'),
        Item('_'),
        Item('play_list', style='text', label='Text'),
        Item('_'),
        Item('play_list', style='readonly', label='ReadOnly')
    )

    # Demo view:
    view = View(
        list_group,
        title='ListEditor',
        buttons=['OK'],
        resizable=True
    )

# Create the demo:
demo = ListEditorDemo()

# Run the demo (if invoked from the command line):
if __name__ == '__main__':
    demo.configure_traits()
