# -*- coding: utf-8 -*-
# Mathmaker creates automatically maths exercises sheets
# with their answers
# Copyright 2006-2017 Nicolas Hainaux <nh.techn@gmail.com>
# This file is part of Mathmaker.
# Mathmaker is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# any later version.
# Mathmaker is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with Mathmaker; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import random
from mathmakerlib.calculus import Number
from mathmaker.lib import shared
from mathmaker.lib.document.content import component
from mathmaker.lib.tools.wording import setup_wording_format_of
[docs]class sub_object(component.structure):
def __init__(self, build_data, **options):
super().setup("minimal", **options)
super().setup("length_units", **options)
self.transduration = 16
if self.picture:
self.transduration = 12
if self.context == "from_area":
super().setup("division", nb=build_data, **options)
self.nb1, self.nb2, self.nb3 = (self.result, self.divisor,
self.dividend)
super().setup("rectangle", **options)
wordings = {'w': _("A rectangle has an area of {nb3} {area_unit} "
"and a length of {nb2} {length_unit}. What is "
"its width? |hint:length_unit|"),
'l': _("A rectangle has an area of {nb3} {area_unit} "
"and a width of {nb2} {length_unit}. What is "
"its length? |hint:length_unit|")
}
self.wording = wordings[self.subcontext]
setup_wording_format_of(self)
elif self.context == "from_perimeter":
super().setup("numbers", nb=build_data, **options)
super().setup("nb_variants", nb=build_data, **options)
super().setup("rectangle", **options)
self.subcontext = random.choice(['w', 'l'])
self.nb1 = self.rectangle.lbl_perimeter
if self.subcontext == 'l':
self.nb2, self.nb3 = (self.rectangle.lbl_width,
self.rectangle.lbl_width)
else:
self.nb2, self.nb3 = (self.rectangle.lbl_length,
self.rectangle.lbl_width)
self.result = self.nb3
wordings = {'w': _("What is the width of a rectangle whose "
"perimeter is {nb1} {length_unit} and length "
"is {nb2} {length_unit}? |hint:length_unit|"),
'l': _("What is the length of a rectangle whose "
"perimeter is {nb1} {length_unit} and width "
"is {nb2} {length_unit}? |hint:length_unit|")
}
self.wording = wordings[self.subcontext]
setup_wording_format_of(self)
else:
raise RuntimeError('Impossible to create this question without '
'any context.')
if self.subcontext == 'w':
self.rectangle.setup_labels(labels=[self.rectangle.lbl_width,
self.rectangle.lbl_length],
masks=[' ', ' ', None, '?'])
elif self.subcontext == 'l':
self.rectangle.setup_labels(labels=[self.rectangle.lbl_width,
self.rectangle.lbl_length],
masks=[' ', ' ', '?', None])
[docs] def q(self, **options):
if self.picture:
if self.slideshow:
return '{}\n{}'\
.format(self.rectangle.drawn,
self.wording.format(**self.wording_format))
else:
return shared.machine.write_layout(
(1, 2), [3.5, 9.5],
[self.rectangle.drawn,
self.wording.format(**self.wording_format)])
else:
return self.wording.format(**self.wording_format)
[docs] def a(self, **options):
# This is actually meant for self.preset == 'mental calculation'
return Number(self.result, unit=self.hint).printed
[docs] def js_a(self, **kwargs):
return [Number(self.result).uiprinted]