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path: root/src/extensions/tutoriusremote.py
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# Copyright (C) 2009, Tutorius.org
# Copyright (C) 2009, Simon Poirier <simpoir@gmail.com>
#
#
# 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
"""
This modules regroups the UI elements that drives the tutorial and tutorial
creator from the Sugar frame.
"""

import gtk

from gettext import gettext as _
import gconf
import dbus

import logging

from sugar.graphics.tray import TrayIcon
from sugar.graphics.palette import Palette
from sugar.graphics.xocolor import XoColor
from sugar.graphics.combobox import ComboBox

from jarabe.frame.frameinvoker import FrameWidgetInvoker
from jarabe.model.shell import get_model

from sugar.tutorius.creator import default_creator

from sugar.tutorius.vault import Vault

_ICON_NAME = 'tutortool'

LOGGER = logging.getLogger('remote')

class TutoriusRemote(TrayIcon):

    FRAME_POSITION_RELATIVE = 102

    def __init__(self, creator):
        self._creator = creator

        client = gconf.client_get_default()
        self._color = XoColor(client.get_string('/desktop/sugar/user/color'))

        super(TutoriusRemote, self).__init__(icon_name=_ICON_NAME,
                                             xo_color=self._color)

        self.set_palette_invoker(FrameWidgetInvoker(self))

        self.palette = TPalette(_('Tutorius'))
        self.palette.set_group_id('frame')


class TPalette(Palette):
    def __init__(self, primary_text):
        super(TPalette, self).__init__(primary_text)

        self._creator_item = gtk.MenuItem(_('Create a tutorial'))
        self._creator_item.connect('activate', self._start_creator)
        self._creator_item.show()
        
        self._stop_creator_item = gtk.MenuItem(_('Stop creating tutorial'))
        self._stop_creator_item.connect('activate', self._stop_creator)
        
        self._tut_list_item = gtk.MenuItem(_('Show tutorials'))
        self._tut_list_item.connect('activate', self._list_tutorials)
        self._tut_list_item.show()
        
        self.menu.append(self._creator_item)
        self.menu.append(self._stop_creator_item)
        self.menu.append(self._tut_list_item)

        self.set_content(None)

    def _start_creator(self, widget):
        creator = default_creator()
        
        if creator.is_authoring == False:
            # Replace the start creator button by the stop creator
            # Allocate a white color for the text
            self._creator_item.hide()
            self._stop_creator_item.show()
            creator.start_authoring(tutorial=None)

    def _stop_creator(self, widget):
        # Close the creator but let the confirmation dialog appear
        # if the user hasn't saved his tutorial
        creator = default_creator()

        if creator.is_authoring == False:
            return

        creator._cleanup_cb()

        # If the creator was not actually closed
        if creator.is_authoring == True:
            return 
        # Switch back to start creator entry
        self._stop_creator_item.hide()
        self._creator_item.show()

    def _list_tutorials(self, widget):
        dlg = gtk.Dialog('Run a tutorial',
                            None,
                            gtk.DIALOG_MODAL, 
                            (gtk.STOCK_OK, gtk.RESPONSE_ACCEPT,
                            gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT))
        dlg.vbox.pack_start(gtk.Label(_('Which tutorial do you want to run?\n')))

        activity = get_model().get_active_activity()

        act_name = activity.get_activity_name()
        tutorial_dict = Vault.list_available_tutorials(act_name)

        # Build the combo box
        combo = ComboBox()
        for (tuto_name, tuto_guid) in tutorial_dict.items():
            combo.append_item(tuto_name, tuto_guid)
        dlg.vbox.pack_end(combo)
        dlg.show_all()
 
        result = dlg.run()
        dlg.destroy()

        if result == gtk.RESPONSE_ACCEPT:
            row = combo.get_active_item()
            if row:
                guid = row[0]
                name = row[1]
                LOGGER.debug("TPalette :: Got message to launch tutorial %s with guid %s"%(str(name), str(guid)))

                from sugar.tutorius.service import ServiceProxy
                service = ServiceProxy()

                service.launch(guid)

def setup(tray):
    tray.add_device(TutoriusRemote(default_creator()))