forked from sugarlabs/activity-abacus
/
AbacusActivity.py
395 lines (325 loc) · 15.2 KB
/
AbacusActivity.py
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# -*- coding: utf-8 -*-
# Copyright 2010-13, Walter Bender
# This file is part of the Abacus Activity.
# The Abacus Activity 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
# (at your option) any later version.
# The Abacus Activity 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 the Abacus Activity. If not, see <http://www.gnu.org/licenses/>.
imoprt gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GObject
from sugar3.activity import activity
from sugar3 import profile
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.activity.widgets import StopButton
from sugar3.graphics.toolbarbox import ToolbarButton
from sugar3.graphics.toolbutton import ToolButton
from sugar3.graphics import style
from gettext import gettext as _
import logging
_logger = logging.getLogger('abacus-activity')
from abacus_window import Abacus, Custom, MAX_RODS, MAX_TOP, MAX_BOT
from toolbar_utils import separator_factory, radio_factory, label_factory, \
button_factory, spin_factory
NAMES = {
# TRANS: http://en.wikipedia.org/wiki/Suanpan (Chinese abacus)
'suanpan': _('Suanpan'),
# TRANS: http://en.wikipedia.org/wiki/Soroban (Japanese abacus)
'soroban': _('Soroban'),
# TRANS: simple decimal abacus
'decimal': _('Decimal'),
# TRANS: http://en.wikipedia.org/wiki/Abacus#Native_American_abaci
'nepohualtzintzin': _('Nepohualtzintzin'),
# TRANS: hexidecimal abacus
'hexadecimal': _('Hexadecimal'),
# TRANS: binary abacus
'binary': _('Binary'),
# TRANS: http://en.wikipedia.org/wiki/Abacus#Russian_abacus
'schety': _('Schety'),
# TRANS: abacus for adding fractions
# 'fraction': _('Fraction'),
# TRANS: Abacus invented by teachers in Caacupé, Paraguay
'caacupe': _('Caacupé'),
# TRANS: Cuisenaire Rods
'cuisenaire': _('Rods'),
# TRANS: Custom abacus
'custom': _('Custom')
}
class AbacusActivity(activity.Activity):
def __init__(self, handle):
''' Initiate activity. '''
super(AbacusActivity, self).__init__(handle)
self._setting_up = True
self.bead_colors = profile.get_color().to_string().split(',')
# no sharing
self.max_participants = 1
self.sep = []
self.abacus_toolbar = Gtk.Toolbar()
custom_toolbar = Gtk.Toolbar()
edit_toolbar = Gtk.Toolbar()
toolbox = ToolbarBox()
activity_button = ActivityToolbarButton(self)
toolbox.toolbar.insert(activity_button, 0)
activity_button.show()
edit_toolbar_button = ToolbarButton(label=_('Edit'),
page=edit_toolbar,
icon_name='toolbar-edit')
edit_toolbar_button.show()
toolbox.toolbar.insert(edit_toolbar_button, -1)
edit_toolbar_button.show()
self.abacus_toolbar_button = ToolbarButton(
page=self.abacus_toolbar,
icon_name='abacus-list')
self.abacus_toolbar.show()
toolbox.toolbar.insert(self.abacus_toolbar_button, -1)
self.abacus_toolbar_button.show()
self.custom_toolbar_button = ToolbarButton(
page=custom_toolbar,
icon_name='view-source')
custom_toolbar.show()
toolbox.toolbar.insert(self.custom_toolbar_button, -1)
self.custom_toolbar_button.show()
separator_factory(toolbox.toolbar, False, True)
button_factory('edit-delete', toolbox.toolbar,
self._reset_cb, tooltip=_('Reset'))
separator_factory(toolbox.toolbar, False, True)
self._label = label_factory(NAMES['suanpan'], toolbox.toolbar)
separator_factory(toolbox.toolbar, True, False)
stop_button = StopButton(self)
stop_button.props.accelerator = _('<Ctrl>Q')
toolbox.toolbar.insert(stop_button, -1)
stop_button.show()
self.set_toolbar_box(toolbox)
toolbox.show()
self.abacus_buttons = {}
# Traditional
self._add_abacus_button('decimal', None)
self._add_abacus_button('soroban', self.abacus_buttons['decimal'])
self._add_abacus_button('suanpan', self.abacus_buttons['decimal'])
self.sep.append(separator_factory(self.abacus_toolbar))
# Bases other than 10
self._add_abacus_button('nepohualtzintzin',
self.abacus_buttons['decimal'])
self._add_abacus_button('hexadecimal', self.abacus_buttons['decimal'])
self._add_abacus_button('binary', self.abacus_buttons['decimal'])
self.sep.append(separator_factory(self.abacus_toolbar))
# Fractions
self._add_abacus_button('schety', self.abacus_buttons['decimal'])
# self._add_abacus_button('fraction', self.abacus_buttons['decimal'])
self._add_abacus_button('caacupe', self.abacus_buttons['decimal'])
self.sep.append(separator_factory(self.abacus_toolbar))
# Non-traditional
self._add_abacus_button('cuisenaire', self.abacus_buttons['decimal'])
self.sep.append(separator_factory(self.abacus_toolbar))
# Custom
self._add_abacus_button('custom', self.abacus_buttons['decimal'])
preferences_button = ToolButton('preferences-system')
preferences_button.set_tooltip(_('Custom'))
custom_toolbar.insert(preferences_button, -1)
preferences_button.palette_invoker.props.toggle_palette = True
preferences_button.palette_invoker.props.lock_palette = True
preferences_button.props.hide_tooltip_on_click = False
preferences_button.show()
self._palette = preferences_button.get_palette()
button_box = Gtk.VBox()
# TRANS: Number of rods on the abacus
self._rods_spin = add_spinner_and_label(
15, 1, MAX_RODS, _('Rods:'), self._rods_spin_cb, button_box)
# TRANS: Number of beads in the top section of the abacus
self._top_spin = add_spinner_and_label(
2, 0, MAX_TOP, _('Top:'), self._top_spin_cb, button_box)
# TRANS: Number of beads in the bottom section of the abacus
self._bottom_spin = add_spinner_and_label(
5, 0, MAX_BOT, _('Bottom:'), self._bottom_spin_cb, button_box)
# TRANS: Scale factor between bottom and top beads
self._value_spin = add_spinner_and_label(
5, 1, MAX_BOT + 1, _('Factor:'), self._value_spin_cb, button_box)
# TRANS: Scale factor between rods
self._base_spin = add_spinner_and_label(
10, 1, (MAX_TOP + 1) * MAX_BOT, _('Base:'), self._base_spin_cb,
button_box)
hbox = Gtk.HBox()
hbox.pack_start(button_box, True, True, style.DEFAULT_SPACING)
hbox.show_all()
self._palette.set_content(hbox)
separator_factory(custom_toolbar, False, False)
self.custom_maker = button_factory('new-abacus', custom_toolbar,
self._custom_cb,
tooltip=_('Custom'))
button_factory('edit-copy', edit_toolbar, self._copy_cb,
tooltip=_('Copy'), accelerator='<Ctrl>c')
button_factory('edit-paste', edit_toolbar, self._paste_cb,
tooltip=_('Paste'), accelerator='<Ctrl>v')
# Create a canvas
canvas = Gtk.DrawingArea()
canvas.set_size_request(Gdk.Screen.width(),
Gdk.Screen.height())
self.set_canvas(canvas)
canvas.show()
self.show_all()
# Initialize the canvas
self.abacus = Abacus(canvas, self)
self._setting_up = False
# Read the current mode from the Journal
if 'rods' in self.metadata:
self._rods_spin.set_value(int(self.metadata['rods']))
if 'top' in self.metadata:
self._top_spin.set_value(int(self.metadata['top']))
if 'bottom' in self.metadata:
self._bottom_spin.set_value(int(self.metadata['bottom']))
if 'factor' in self.metadata:
self._value_spin.set_value(int(self.metadata['factor']))
if 'base' in self.metadata:
self._base_spin.set_value(int(self.metadata['base']))
if 'abacus' in self.metadata:
if self.metadata['abacus'] in self.abacus_buttons:
_logger.debug('restoring %s', self.metadata['abacus'])
if self.metadata['abacus'] == 'custom':
self._custom_cb()
self.abacus_buttons[self.metadata['abacus']].set_active(True)
else: # Default is Chinese
self.abacus_buttons['suanpan'].set_active(True)
if 'value' in self.metadata:
_logger.debug('restoring value %s', self.metadata['value'])
self.abacus.mode.set_value(self.metadata['value'])
self.abacus.mode.label(self.abacus.generate_label())
self.abacus.init()
# Start with abacus toolbar expanded and suanpan as default
self.abacus_toolbar_button.set_expanded(True)
def _add_abacus_button(self, name, group):
self.abacus_buttons[name] = radio_factory(
name,
self.abacus_toolbar,
self._radio_cb,
cb_arg=name,
tooltip=NAMES[name],
group=group)
def _radio_cb(self, button, abacus):
self._select_abacus(abacus)
def _reset_cb(self, button=None):
self.abacus.mode.reset_abacus()
self.abacus.mode.label(self.abacus.generate_label())
def _notify_new_abacus(self, prompt):
''' Loading a new abacus can be slooow, so alert the user. '''
# a busy cursor is adequate
self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))
def _select_abacus(self, abacus):
''' Notify the user of an expected delay and then... '''
if not hasattr(self, 'abacus') or self._setting_up:
_logger.debug('setting up')
return
# Not selected?
if not self.abacus_buttons[abacus].get_active():
_logger.debug('%s not active' % abacus)
return
self._notify_new_abacus(NAMES[abacus])
# Give the cursor/alert time to load
GObject.idle_add(self._switch_modes, abacus)
def _switch_modes(self, abacus):
''' Display the selected abacus '''
_logger.debug('switching modes to %s', abacus)
if abacus == self.abacus.mode.name:
_logger.debug('do not switch already in the same mode')
self.get_window().set_cursor(None)
return
# Save current value
value = int(float(self.abacus.mode.value()))
if abacus == 'custom' and self.abacus.custom is None:
self.custom_toolbar_button.set_expanded(True)
# self.abacus.mode = self.abacus.custom
self.get_window().set_cursor(None)
else:
_logger.debug('switch_mode: setting abacus to %s' % abacus)
self.abacus.select_abacus(abacus)
# Load saved value
self.abacus.mode.set_value_from_number(value)
self.abacus.mode.label(self.abacus.generate_label())
self._label.set_text(NAMES[abacus])
self.get_window().set_cursor(None)
def _rods_spin_cb(self, button=None):
return
def _top_spin_cb(self, button=None):
return
def _bottom_spin_cb(self, button=None):
return
def _value_spin_cb(self, button=None):
return
def _base_spin_cb(self, button=None):
return
def _custom_cb(self, button=None):
''' Display the custom abacus; hide the others '''
value = float(self.abacus.mode.value(count_beads=False))
self.abacus.mode.hide()
if self.abacus.custom is not None:
self.abacus.custom.hide()
self.abacus.custom = Custom(self.abacus, self.abacus.bead_colors)
self.abacus.custom.set_custom_parameters(
rods=self._rods_spin.get_value_as_int(),
top=self._top_spin.get_value_as_int(),
bot=self._bottom_spin.get_value_as_int(),
factor=self._value_spin.get_value_as_int(),
base=self._base_spin.get_value_as_int())
self.abacus.custom.create()
self.abacus.custom.draw_rods_and_beads()
self.abacus.custom.show()
self._label.set_text(NAMES['custom'])
self.abacus.mode = self.abacus.custom
self.abacus.mode_dict['custom'][0] = self.abacus.custom
self.abacus_toolbar_button.set_expanded(True)
self.abacus.mode.set_value_from_number(value)
def _copy_cb(self, arg=None):
''' Copy a number to the clipboard from the active abacus. '''
clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
text = self.abacus.generate_label(sum_only=True)
if text is not None:
clipboard.set_text(text, -1)
return
def _paste_cb(self, arg=None):
''' Paste a number from the clipboard to the active abacus. '''
clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
text = clipboard.wait_for_text()
if text is not None:
try:
self.abacus.mode.set_value_from_number(float(text))
except ValueError, e:
_logger.debug(str(e))
return
self.abacus.mode.label(self.abacus.generate_label())
return
def write_file(self, file_path):
''' Write the bead positions to the Journal '''
_logger.debug('Saving current abacus to Journal: %s %s' % (
self.abacus.mode.name, self.abacus.mode.value(True)))
self.metadata['abacus'] = self.abacus.mode.name
self.metadata['value'] = self.abacus.mode.value(True)
self.metadata['rods'] = str(self._rods_spin.get_value_as_int())
self.metadata['top'] = str(self._top_spin.get_value_as_int())
self.metadata['bottom'] = str(self._bottom_spin.get_value_as_int())
self.metadata['factor'] = str(self._value_spin.get_value_as_int())
self.metadata['base'] = str(self._base_spin.get_value_as_int())
def add_spinner_and_label(default_value, min_value, max_value,
tooltip, cb, box):
''' Add a spinner and a label to a box '''
spinner_and_label = Gtk.HBox()
spinner, item = spin_factory(default_value, min_value, max_value, cb, None)
label = Gtk.Label(label=tooltip)
label.set_justify(Gtk.Justification.LEFT)
label.set_line_wrap(True)
label.show()
spinner_and_label.pack_start(label, expand=False, fill=False, padding=0)
label = Gtk.Label(label=' ')
label.show()
spinner_and_label.pack_start(label, expand=True, fill=False, padding=0)
spinner_and_label.pack_start(item, expand=False, fill=False, padding=0)
box.pack_start(spinner_and_label, expand=False, fill=False, padding=5)
spinner_and_label.show()
return spinner