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# (C) Copyright 2004-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
# -------------------------------------------------------------------------
# Imports:
# -------------------------------------------------------------------------
from traits.api import HasStrictTraits, Str, Int, Regex, List, Instance
from traitsui.api import View, Group, Item, TableEditor, EnumEditor
from traitsui.table_column import ObjectColumn
from traitsui.table_filter import (
TableFilter,
RuleTableFilter,
RuleFilterTemplate,
MenuFilterTemplate,
EvalFilterTemplate,
)
# -------------------------------------------------------------------------
# 'Person' class:
# -------------------------------------------------------------------------
class Person(HasStrictTraits):
# -------------------------------------------------------------------------
# Trait definitions:
# -------------------------------------------------------------------------
name = Str()
age = Int()
phone = Regex(value='000-0000', regex=r'\d\d\d[-]\d\d\d\d')
state = Str()
# -------------------------------------------------------------------------
# Traits view definition:
# -------------------------------------------------------------------------
traits_view = View(
'name',
'age',
'phone',
'state',
title='Create new person',
width=0.18,
buttons=['OK', 'Cancel'],
)
# -------------------------------------------------------------------------
# Sample data:
# -------------------------------------------------------------------------
people = [
Person(name='Dave', age=39, phone='555-1212'),
Person(name='Mike', age=28, phone='555-3526'),
Person(name='Joe', age=34, phone='555-6943'),
Person(name='Tom', age=22, phone='555-7586'),
Person(name='Dick', age=63, phone='555-3895'),
Person(name='Harry', age=46, phone='555-3285'),
Person(name='Sally', age=43, phone='555-8797'),
Person(name='Fields', age=31, phone='555-3547'),
]
# -------------------------------------------------------------------------
# 'AgeFilter' class:
# -------------------------------------------------------------------------
class AgeFilter(TableFilter):
# -------------------------------------------------------------------------
# Trait definitions:
# -------------------------------------------------------------------------
name = "Age filter"
_name = "Age filter"
age = Int(0)
# -------------------------------------------------------------------------
# Traits view definitions:
# -------------------------------------------------------------------------
# filter_view = Group( 'age{Age >=}' )
# -------------------------------------------------------------------------
# Returns whether an object passes the filter or not:
# -------------------------------------------------------------------------
def filter(self, person):
"""Returns whether an object passes the filter or not."""
return person.age >= self.age
# -------------------------------------------------------------------------
# Returns a user readable description of what the filter does:
# -------------------------------------------------------------------------
def description(self):
"""Returns a user readable description of what the filter does."""
return 'Age >= %d' % self.age
def _age_changed(self, old, new):
self.name = self.description()
print('AgeFilter _age_changed', self.name)
# -------------------------------------------------------------------------
# 'NameFilter' class:
# -------------------------------------------------------------------------
class NameFilter(TableFilter):
# -------------------------------------------------------------------------
# Trait definitions:
# -------------------------------------------------------------------------
mname = Str()
# -------------------------------------------------------------------------
# Traits view definitions:
# -------------------------------------------------------------------------
filter_view = Group('mname{Name contains}')
# -------------------------------------------------------------------------
# Returns whether an object passes the filter or not:
# -------------------------------------------------------------------------
def filter(self, person):
"""Returns whether an object passes the filter or not."""
return person.name.lower().find(self.mname.lower()) >= 0
# -------------------------------------------------------------------------
# Returns a user readable description of what the filter does:
# -------------------------------------------------------------------------
def description(self):
"""Returns a user readable description of what the filter does."""
return "Name contains '%s'" % self.mname
# -------------------------------------------------------------------------
# Table editor definition:
# -------------------------------------------------------------------------
filters = [
AgeFilter(age=30),
NameFilter(mname='d'),
EvalFilterTemplate,
MenuFilterTemplate,
RuleFilterTemplate,
]
def evaluate_value(v):
print('evaluate_value', v)
return str(v)
# -------------------------------------------------------------------------
# 'TableTest' class:
# -------------------------------------------------------------------------
class TableTest(HasStrictTraits):
# -------------------------------------------------------------------------
# Trait definitions:
# -------------------------------------------------------------------------
# people = Instance( Person )
people = List(Person)
# -------------------------------------------------------------------------
# Traits view definitions:
# -------------------------------------------------------------------------
_valid_states = List(["AL", "AR", "AZ", "AK"])
_state_editor = EnumEditor(
name="_valid_states",
evaluate=evaluate_value,
object='table_editor_object',
)
table_editor = TableEditor(
columns=[
ObjectColumn(name='name'),
ObjectColumn(name='age'),
ObjectColumn(name='phone'),
ObjectColumn(name='state', editor=_state_editor),
],
editable=True,
deletable=True,
sortable=True,
sort_model=True,
show_lines=True,
orientation='vertical',
show_column_labels=True,
edit_view=View(
['name', 'age', 'phone', 'state', '|[]'], resizable=True
),
filter=None,
filters=filters,
row_factory=Person,
)
traits_view = View(
[Item('people', id='people', editor=table_editor), '|[]<>'],
title='Table Editor Test',
id='traitsui.tests.table_editor_test',
dock='horizontal',
width=0.4,
height=0.3,
resizable=True,
kind='live',
)
# -------------------------------------------------------------------------
# Run the tests:
# -------------------------------------------------------------------------
if __name__ == '__main__':
tt = TableTest(people=people)
tt.configure_traits()
for p in tt.people:
p.print_traits()
print('--------------')
|
