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# -*- mode:python; tab-width:4; indent-tabs-mode:t; -*-
# showntell.py
#
# Derived from:
#
# Classroom Presenter for the XO Laptop
# Main class
# B. Mayton <bmayton@cs.washington.edu>
#
# 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
from sugar.activity import activity
from sugar.datastore import datastore
import logging
import sys, os
import subprocess
import atexit, signal
import gtk
import zipfile
import slideviewer
import sidebar
import sliderenderer
import slideshow
import textarea
import toolbars
import utils
import shared
import time
import pdb
import listview
import cpxoview
import hulahop
from sugar import env
hulahop.startup(os.path.join(env.get_profile_path(), 'gecko'))
from hulahop.webview import WebView
SLIDESHOW_TOOLBAR = 1
NAVIGATION_TOOLBAR = 2
TITLE_SLIDE = "title.html"
class ShowNTell(activity.Activity):
def __init__(self, handle):
#pdb.set_trace()
atexit.register(self.report_exit, 'message')
signal.signal(signal.SIGINT, self.signal_exit)
signal.signal(signal.SIGABRT, self.signal_exit)
signal.signal(signal.SIGTERM, self.signal_exit)
signal.signal(signal.SIGSEGV, self.signal_exit)
signal.signal(signal.SIGQUIT, self.signal_exit)
activity.Activity.__init__(self, handle)
self.__logger = logging.getLogger('ClassroomPresenter')
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s %(levelname)s %(message)s')
# Find our instance path
self.__work_path = os.path.join(self.get_activity_root(), 'instance')
self.__deck_dir = os.path.join(self.__work_path, 'deck')
if '-o' not in sys.argv:
try:
os.mkdir(self.__deck_dir)
except Exception, e:
self.__logger.debug("Caught exception and continuing: %s", e)
print 'deck_dir exists'
subprocess.call("rm -rf " + self.__deck_dir + "/*", shell=True)
self.__rsrc_dir = os.path.join(activity.get_bundle_path(), 'resources')
self.__logger.debug("Found deck directory: %s", self.__deck_dir)
# Copy the splash screen to the working directory
self.__title_slide_name = TITLE_SLIDE
utils.copy_file(os.path.join(self.__rsrc_dir, self.__title_slide_name),
os.path.join(self.__deck_dir, self.__title_slide_name))
# Create a slide deck object
self.__deck = slideshow.Deck(self.__title_slide_name, self.__deck_dir)
# Set up activity sharing
self.__shared = shared.Shared(self, self.__deck, self.__work_path)
# Create a renderer for slides
self.__renderer = sliderenderer.Renderer(self, self.__deck)
# Set up the main canvas
self.__slide_view = gtk.HBox()
self.set_canvas(self.__slide_view)
# Set up Main Viewer box
self.__main_view_box = gtk.VBox()
#here enter a gtk widget in place of self.__slide
#pack this common widget to self.__main_view_box
#then render each 'screen' to this common widget as needed
self.__slide = slideviewer.SlideViewer(self.__deck, self.__renderer)
self.__text_area = textarea.TextArea(self.__deck)
self.__image_chooser = listview.Listview(self, self.__deck)
self.__slideshow_chooser = cpxoview.Cpxoview(self, self.__deck)
self.__html_slide = gtk.EventBox()
self.__screens = []
self.__main_view_box.pack_start(self.__slide, True, True, 5)
self.__screens.append(self.__slide)
self.__main_view_box.pack_start(self.__image_chooser, True, True, 5)
self.__screens.append(self.__image_chooser)
self.__main_view_box.pack_start(self.__slideshow_chooser, True, True, 5)
self.__screens.append(self.__slideshow_chooser)
self.__main_view_box.pack_start(self.__html_slide, True, True, 5)
self.__screens.append(self.__html_slide)
self.__main_view_box.pack_start(self.__text_area, False, False, 0)
# Create our toolbars
makeTB = toolbars.MakeToolBar(self, self.__deck)
navTB = toolbars.NavToolBar(self, self.__shared, self.__deck)
inkTB = toolbars.InkToolBar(self.__slide, self.__deck)
# Create the standard activity toolbox; add our toolbars
toolbox = activity.ActivityToolbox(self)
toolbox.add_toolbar("Slideshow", makeTB)
toolbox.add_toolbar("Navigation",navTB)
toolbox.add_toolbar("Ink", inkTB)
self.set_toolbox(toolbox)
toolbox.show()
self.__toolbox = toolbox
# Open with slideshow toolbar
toolbox.set_current_toolbar(SLIDESHOW_TOOLBAR)
# Set up the side scrollbar widget
self.__side_bar = sidebar.SideBar(self.__deck, self.__renderer)
self.__side_bar.set_size_request(225, 100)
# Set up a separator for the two widgets
separator = gtk.VSeparator()
# Pack widgets into main window
self.__slide_view.pack_start(self.__main_view_box, True, True, 0)
self.__slide_view.pack_start(separator, False, False, 5)
self.__slide_view.pack_start(self.__side_bar, False, False, 0)
# Show all widgets
self.__slide_view.show_all()
self.__main_view_box.show()
self.__slide.show()
self.__text_area.show()
self.__image_chooser.hide()
self.__slideshow_chooser.hide()
#self.__html_viewer.hide()
separator.show()
self.__side_bar.show_all()
# Set up the progress view
self.__progress_max = 1.0
self.__progress_cur = 0.01
self.__progress_view = gtk.VBox()
self.__progress_lbl = gtk.Label("Loading slide deck...")
self.__progress_bar = gtk.ProgressBar()
self.__progress_view.pack_start(self.__progress_lbl, True, False, 5)
#self.__progress_view.pack_start(self.__progress_bar, False, False, 5)
self.__progress_bar.set_fraction(self.__progress_cur / self.__progress_max)
self.__shared.connect('deck-download-complete', self.dl_complete_cb)
def report_exit(self, message):
print 'activity exited', message
def signal_exit(signal, frame):
print 'activity exited', signal
def dl_complete_cb(self, widget):
self.do_slideview_mode()
def do_slideview_mode(self):
self.set_canvas(self.__slide_view)
self.__slide_view.show_all()
def set_progress_max(self, maxval):
self.__progress_max = maxval
self.__progress_bar.set_fraction(float(self.__progress_cur) / float(self.__progress_max))
def do_progress_view(self):
self.set_canvas(self.__progress_view)
self.__progress_view.show_all()
def set_progress(self, val):
self.__progress_cur = val
self.__progress_bar.set_fraction(float(self.__progress_cur) / float(self.__progress_max))
#resume from journal
def read_file(self, file_path):
self.__logger.debug("read_file " + str(file_path))
ftype = utils.getFileType(file_path)
z = zipfile.ZipFile(file_path, "r")
for i in z.infolist():
f = open(os.path.join(self.__deck_dir, i.filename), "wb")
f.write(z.read(i.filename))
f.close()
z.close()
self.__deck.set_title(self.metadata['title'])
self.__deck.reload()
self.__toolbox.set_current_toolbar(NAVIGATION_TOOLBAR)
newindex = 0
if 'current_index' in self.metadata:
newindex = int(self.metadata.get('current_index', '0'))
self.__deck.goToIndex(newindex, is_local=False)
#save state in journal for resume
def write_file(self, file_path):
print 'write_file', self.__toolbox.get_current_toolbar(), str(file_path)
if self.__toolbox.get_current_toolbar() > 0:
return
self.__logger.debug("write_file " + str(file_path))
self.metadata['title'] = self.__deck.get_title(2)
self.metadata['mime_type'] = "application/x-classroompresenter"
self.metadata['current_index'] = str(self.__deck.getIndex())
self.__deck.save()
z = zipfile.ZipFile(file_path, "w")
root, dirs, files = os.walk(self.__deck_dir).next()
for f in files:
z.write(os.path.join(root, f), f)
z.close()
def get_shared_activity(self):
return self._shared_activity
def set_screen(self,scrn):
print 'set_screen', scrn
self.__screens[0].hide()
print 'screen 0 hidden'
self.__screens[1].hide()
print 'screen 1 hidden'
self.__screens[2].hide()
print 'screen 2 hidden'
self.__screens[3].hide()
print 'screen 3 hidden'
self.__screens[scrn].show()
print 'screen', scrn, 'shown'
return self.__screens[scrn]
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