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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
from path import path
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
import xml.dom.minidom
SLIDESHOW_TOOLBAR = 1
NAVIGATION_TOOLBAR = 2
class ShowNTell(activity.Activity):
def __init__(self, handle):
#pdb.set_trace()
activity.Activity.__init__(self, handle)
self.__logger = logging.getLogger('ClassroomPresenter')
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s %(levelname)s %(message)s')
self.__screens = []
# Find our instance path
self.__work_path = path(self.get_activity_root()) / 'instance'
self.__save_path = path(self.get_activity_root()) / 'data'
self.__deck_dir = self.__work_path / 'deck'
bpth = path(activity.get_bundle_path())
self.__rsrc_dir = bpth / 'resources'
self.__handle = handle
# Set up the main canvas
self.__slide_view = gtk.HBox()
print 'enter set_canvas', self.__handle.object_id
self.set_canvas(self.__slide_view)
self.__deck = slideshow.Deck(self, handle, self.__rsrc_dir, 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 Main Viewer box
self.__main_view_box = gtk.VBox()
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.__html_slide.set_size_request(600,480)
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)
self.__makeTB = makeTB
self.__makeTB.decktitle_change_cb(None)
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("Presentation", 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 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))
print 'read_file:', 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()
print 'read_file: reload()', len(z.infolist())
self.__deck.reload()
print 'read_file: before', self.__deck.get_title(), self.metadata['title']
self.__deck.set_title(self.metadata['title'])
print 'read_file: after', self.__deck.get_title()
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)
self.__logger.debug("write_file " + str(file_path))
print 'title', self.__deck.get_title()
self.metadata['title'] = self.__deck.get_title()
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):
if len(self.__screens) < 1:
return
self.__screens[0].hide()
self.__screens[1].hide()
self.__screens[2].hide()
self.__screens[3].hide()
self.__screens[scrn].show()
return self.__screens[scrn]
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