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"""
Implementation of a SetEditor demo plugin for the Traits UI demo program.
The four tabs of this demo show variations on the interface as follows:
Unord I: Creates an alphabetized subset, has no "move all" options
Unord II: Creates an alphabetized subset, has "move all" options
Ord I: Creates a set whose order is specified by the user, no "move all"
Ord II: Creates a set whose order is specifed by the user, has "move all"
"""
from traits.api import HasTraits, List
from traitsui.api import Item, Group, View, SetEditor
#-------------------------------------------------------------------------------
# Demo Class
#-------------------------------------------------------------------------------
class SetEditorDemo ( HasTraits ):
""" This class specifies the details of the SetEditor demo.
"""
# Define a trait each for four variants
unord_nma_set = List( editor = SetEditor(
values = [ 'kumquats', 'pomegranates', 'kiwi' ],
can_move_all = False,
left_column_title = 'Available Fruit',
right_column_title = 'Exotic Fruit Bowl' ) )
unord_ma_set = List( editor = SetEditor(
values = [ 'kumquats', 'pomegranates', 'kiwi' ],
left_column_title = 'Available Fruit',
right_column_title = 'Exotic Fruit Bowl' ) )
ord_nma_set = List( editor = SetEditor(
values = ['apples', 'berries', 'cantaloupe' ],
ordered = True,
can_move_all = False,
left_column_title = 'Available Fruit',
right_column_title = 'Fruit Bowl' ) )
ord_ma_set = List( editor = SetEditor(
values = ['apples', 'berries', 'cantaloupe' ],
ordered = True,
left_column_title = 'Available Fruit',
right_column_title = 'Fruit Bowl' ) )
# SetEditor display, unordered, no move-all buttons.
no_nma_group = Group( Item('unord_nma_set', style='simple'),
label='Unord I',
show_labels=False)
# SetEditor display, unordered, move-all buttons.
no_ma_group = Group( Item('unord_ma_set', style='simple'),
label='Unord II',
show_labels=False)
# SetEditor display, ordered, no move-all buttons.
o_nma_group = Group( Item('ord_nma_set', style='simple'),
label='Ord I',
show_labels=False)
# SetEditor display, ordered, move-all buttons.
o_ma_group = Group( Item('ord_ma_set', style='simple'),
label='Ord II',
show_labels=False)
# The view includes one group per data type. These will be displayed
# on separate tabbed panels.
view1 = View( no_nma_group,
no_ma_group,
o_nma_group,
o_ma_group,
title = 'SetEditor',
buttons = ['OK'])
# Create the demo:
popup = SetEditorDemo()
# Run the demo (if invoked from the command line):
if __name__ == '__main__':
popup.configure_traits()
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