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# -*- coding: utf-8 -*-
#Copyright (c) 2010-11, Walter Bender
# This program 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.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
from gi.repository import Gtk
from gi.repository import Gdk
from sugar3.activity import activity
from sugar3 import profile
try: # 0.86+ toolbar widgets
from sugar3.graphics.toolbarbox import ToolbarBox
HAS_TOOLBARBOX = True
except ImportError:
HAS_TOOLBARBOX = False
if HAS_TOOLBARBOX:
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.activity.widgets import StopButton
from sugar3.graphics.toolbarbox import ToolbarButton
from gettext import gettext as _
import logging
_logger = logging.getLogger('abacus-activity')
from abacus_window import Abacus
from toolbar_utils import separator_factory, radio_factory, label_factory, \
button_factory, spin_factory
class AbacusActivity(activity.Activity):
def __init__(self, handle):
''' Initiate activity. '''
super(AbacusActivity, self).__init__(handle)
self.bead_colors = profile.get_color().to_string().split(',')
# no sharing
self.max_participants = 1
abacus_toolbar = Gtk.Toolbar()
custom_toolbar = Gtk.Toolbar()
edit_toolbar = Gtk.Toolbar()
if HAS_TOOLBARBOX:
# Use 0.86 toolbar design
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()
abacus_toolbar_button = ToolbarButton(
page=abacus_toolbar,
icon_name='abacus-list')
abacus_toolbar.show()
toolbox.toolbar.insert(abacus_toolbar_button, -1)
abacus_toolbar_button.show()
custom_toolbar_button = ToolbarButton(
page=custom_toolbar,
icon_name='view-source')
custom_toolbar.show()
toolbox.toolbar.insert(custom_toolbar_button, -1)
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, 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()
else:
# Use pre-0.86 toolbar design
toolbox = activity.ActivityToolbox(self)
self.set_toolbox(toolbox)
toolbox.add_toolbar(_('Project'), abacus_toolbar)
toolbox.add_toolbar(_('Custom'), custom_toolbar)
toolbox.add_toolbar(_('Edit'), edit_toolbar)
button_factory('edit-delete', edit_toolbar,
self._reset_cb, tooltip=_('Reset'))
separator_factory(edit_toolbar, False, True)
toolbox.set_current_toolbar(1)
# no sharing
if hasattr(toolbox, 'share'):
toolbox.share.hide()
elif hasattr(toolbox, 'props'):
toolbox.props.visible = False
# TRANS: simple decimal abacus
self.decimal = radio_factory('decimal', abacus_toolbar,
self._radio_cb, cb_arg='decimal',
tooltip=_('Decimal'),
group=None)
# TRANS: http://en.wikipedia.org/wiki/Soroban (Japanese abacus)
self.japanese = radio_factory('soroban', abacus_toolbar,
self._radio_cb, cb_arg='japanese',
tooltip=_('Soroban'),
group=self.decimal)
# TRANS: http://en.wikipedia.org/wiki/Suanpan (Chinese abacus)
self.chinese = radio_factory('suanpan', abacus_toolbar,
self._radio_cb, cb_arg='chinese',
tooltip=_('Suanpan'),
group=self.decimal)
separator_factory(abacus_toolbar)
# TRANS: http://en.wikipedia.org/wiki/Abacus#Native_American_abaci
self.mayan = radio_factory('nepohualtzintzin', abacus_toolbar,
self._radio_cb, cb_arg='mayan',
tooltip=_('Nepohualtzintzin'),
group=self.decimal)
# TRANS: hexidecimal abacus
self.hex = radio_factory('hexadecimal', abacus_toolbar,
self._radio_cb, cb_arg='hex',
tooltip=_('Hexadecimal'),
group=self.decimal)
# TRANS: binary abacus
self.binary = radio_factory('binary', abacus_toolbar,
self._radio_cb, cb_arg='binary',
tooltip=_('Binary'),
group=self.decimal)
separator_factory(abacus_toolbar)
# TRANS: http://en.wikipedia.org/wiki/Abacus#Russian_abacus
self.russian = radio_factory('schety', abacus_toolbar,
self._radio_cb, cb_arg='russian',
tooltip=_('Schety'),
group=self.decimal)
# TRANS: abacus for adding fractions
self.fraction = radio_factory('fraction', abacus_toolbar,
self._radio_cb, cb_arg='fraction',
tooltip=_('Fraction'),
group=self.decimal)
# TRANS: Abacus invented by teachers in Caacupé, Paraguay
self.caacupe = radio_factory('caacupe', abacus_toolbar,
self._radio_cb, cb_arg='caacupe',
tooltip=_('Caacupé'),
group=self.decimal)
separator_factory(abacus_toolbar)
# TRANS: Cuisenaire Rods
self.cuisenaire = radio_factory('cuisenaire', abacus_toolbar,
self._radio_cb,
cb_arg='cuisenaire',
tooltip=_('Rods'), group=self.decimal)
separator_factory(abacus_toolbar)
self.custom = radio_factory('custom', abacus_toolbar,
self._radio_cb,
cb_arg='custom',
tooltip=_('Custom'), group=self.decimal)
# TRANS: Number of rods on the abacus
self._rods_label = label_factory(_('Rods:') + ' ', custom_toolbar)
self._rods_spin = spin_factory(15, 1, 20, self._rods_spin_cb,
custom_toolbar)
# TRANS: Number of beads in the top section of the abacus
self._top_label = label_factory(_('Top:') + ' ', custom_toolbar)
self._top_spin = spin_factory(2, 0, 4, self._top_spin_cb,
custom_toolbar)
# TRANS: Number of beads in the bottom section of the abacus
self._bottom_label = label_factory(_('Bottom:') + ' ',
custom_toolbar)
self._bottom_spin = spin_factory(5, 1, 20, self._bottom_spin_cb,
custom_toolbar)
# TRANS: Scale factor between bottom and top beads
self._value_label = label_factory(_('Factor:') + ' ', custom_toolbar)
self._value_spin = spin_factory(5, 1, 20, self._value_spin_cb,
custom_toolbar)
# TRANS: Scale factor between rods
self._base_label = label_factory(_('Base:') + ' ', custom_toolbar)
self._base_spin = spin_factory(10, 1, 24, self._base_spin_cb,
custom_toolbar)
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')
if HAS_TOOLBARBOX:
# start with abacus toolbar expanded
abacus_toolbar_button.set_expanded(True)
else:
self.toolbox.show()
self.chinese.set_active(True)
# 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)
# 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:
# Default is Chinese
_logger.debug('restoring %s', self.metadata['abacus'])
if self.metadata['abacus'] == 'soroban':
self._select_abacus('japanese')
self.japanese.set_active(True)
elif self.metadata['abacus'] == 'schety':
self._select_abacus('russian')
self.russian.set_active(True)
elif self.metadata['abacus'] == 'nepohualtzintzin':
self._select_abacus('mayan')
self.mayan.set_active(True)
elif self.metadata['abacus'] == 'binary':
self._select_abacus('binary')
self.binary.set_active(True)
elif self.metadata['abacus'] == 'hexadecimal':
self._select_abacus('hex')
self.hex.set_active(True)
elif self.metadata['abacus'] == 'fraction':
self._select_abacus('fraction')
self.fraction.set_active(True)
elif self.metadata['abacus'] == 'caacupe':
self._select_abacus('caacupe')
self.caacupe.set_active(True)
elif self.metadata['abacus'] == 'cuisenaire':
self._select_abacus('cuisenaire')
self.cuisenaire.set_active(True)
elif self.metadata['abacus'] == 'decimal':
self._select_abacus('decimal')
self.decimal.set_active(True)
elif self.metadata['abacus'] == 'custom':
self._select_abacus('custom')
self.custom.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())
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 _select_abacus(self, abacus):
''' Display the selected abacus; hide the others '''
if not hasattr(self, 'abacus'):
return
if abacus == 'custom' and self.abacus.custom is None:
self._custom_cb()
self.abacus.select_abacus(abacus)
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))
if self.abacus.custom is not None:
self.abacus.custom.hide()
self.abacus.custom = Custom(self.abacus,
self._rods_spin.get_value_as_int(),
self._top_spin.get_value_as_int(),
self._bottom_spin.get_value_as_int(),
self._value_spin.get_value_as_int(),
self._base_spin.get_value_as_int(),
self.bead_colors)
self.custom.set_active(True)
self.abacus.select_abacus('custom')
def _copy_cb(self, arg=None):
''' Copy a number to the clipboard from the active abacus. '''
clipBoard = Gtk.Clipboard()
text = self.abacus.generate_label(sum_only=True)
if text is not None:
clipBoard.set_text(text)
return
def _paste_cb(self, arg=None):
''' Paste a number from the clipboard to the active abacus. '''
clipBoard = Gtk.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())
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