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"""
Implementation of a RangeEditor demo plugin for the Traits UI demo program.
This demo shows each of the four styles of the RangeEditor Variations for a
small integer range, a medium-sized integer range, a large integer range
and a float range are demonstrated on separate tabs.
"""
from traits.api import HasTraits, Range
from traitsui.api import Item, Group, View
#-------------------------------------------------------------------------------
# Demo Class
#-------------------------------------------------------------------------------
class RangeEditorDemo ( HasTraits ):
""" This class specifies the details of the RangeEditor demo.
"""
# Define a trait for each of four variants
small_int_range = Range( 1, 16 )
medium_int_range = Range( 1, 25 )
large_int_range = Range( 1, 150 )
float_range = Range( 0.0, 150.0 )
# RangeEditor display for narrow integer Range traits (< 17 wide):
int_range_group1 = Group( Item('small_int_range',
style='simple',
label='Simple'),
Item('_'),
Item('small_int_range',
style='custom',
label='Custom'),
Item('_'),
Item('small_int_range',
style='text',
label='Text'),
Item('_'),
Item('small_int_range',
style='readonly',
label='ReadOnly'),
label = "Small Int")
# RangeEditor display for medium-width integer Range traits (17 to 100):
int_range_group2 = Group( Item('medium_int_range',
style='simple',
label='Simple'),
Item('_'),
Item('medium_int_range',
style='custom',
label='Custom'),
Item('_'),
Item('medium_int_range',
style='text',
label='Text'),
Item('_'),
Item('medium_int_range',
style='readonly',
label='ReadOnly'),
label = "Medium Int")
# RangeEditor display for wide integer Range traits (> 100):
int_range_group3 = Group( Item('large_int_range',
style='simple',
label='Simple'),
Item('_'),
Item('large_int_range',
style='custom',
label='Custom'),
Item('_'),
Item('large_int_range',
style='text',
label='Text'),
Item('_'),
Item('large_int_range',
style='readonly',
label='ReadOnly'),
label = "Large Int")
# RangeEditor display for float Range traits:
float_range_group = Group( Item('float_range',
style='simple',
label='Simple'),
Item('_'),
Item('float_range',
style='custom',
label='Custom'),
Item('_'),
Item('float_range',
style='text',
label='Text'),
Item('_'),
Item('float_range',
style='readonly',
label='ReadOnly'),
label = "Float")
# The view includes one group per data type. These will be displayed
# on separate tabbed panels.
view1 = View(int_range_group1,
int_range_group2,
int_range_group3,
float_range_group,
title = 'RangeEditor',
buttons = ['OK'])
# Create the demo:
popup = RangeEditorDemo()
# Run the demo (if invoked from the command line):
if __name__ == '__main__':
popup.configure_traits()
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