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# 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
#
#NOTE: The webview module shipped with FC11 does a get_Main_window.hide()
# which makes it unusable in the PyDebug application. A more recent git version
# toggles the visibility of the gecko engine and is more compatible.
# The browser.py and webview.py modules included are essential for PyDebug
#
import os
from gettext import gettext as _
import gtk
import gobject
from sugar.activity import activity
from sugar.graphics.toolbutton import ToolButton
import hulahop
hulahop.startup(os.path.join(activity.get_activity_root(), 'data/gecko'))
from zipfile import ZipFile, ZipInfo
#from hulahop.webview import WebView
from browser import Browser
#import xpcom
#from xpcom.components import interfaces
gobject.threads_init()
#HOME = os.path.join(activity.get_bundle_path(), 'help/index.html')
#HOME = "http://website.com/something.html"
# Initialize logging.
import logging
from sugar import logger
#Get the standard logging directory.
_logger = logging.getLogger('PyDebug')
ZIP_SUFFIXES = ['.xol','.zip',]
sugar_activity_root = os.environ['SUGAR_ACTIVITY_ROOT']
help_notebook_pages = []
class HelpToolbar(gtk.Toolbar):
def __init__(self, parent):
gtk.Toolbar.__init__(self)
self.help_toolbar_parent = parent
self.child_root = os.path.join(os.environ['SUGAR_ACTIVITY_ROOT'],'tmp')
self._back = ToolButton('go-previous-paired')
self._back.set_tooltip(_('Back'))
self._back.props.sensitive = False
self._back.connect('clicked', self.help_toolbar_parent._go_back_cb)
self.insert(self._back, -1)
self._back.show()
self._forward = ToolButton('go-next-paired')
self._forward.set_tooltip(_('Forward'))
self._forward.props.sensitive = False
self._forward.connect('clicked', self.help_toolbar_parent._go_forward_cb)
self.insert(self._forward, -1)
self._forward.show()
home = ToolButton('zoom-home')
home.set_tooltip(_('Home'))
home.connect('clicked', self.help_toolbar_parent._go_home_cb)
self.insert(home, -1)
home.show()
class Help():
current_url_prefix = ''
file_changed = False
current_web_view = None
web_view_list = []
def __init__(self, parent):
self.pydebug = parent
self.url_root = 'file://'+ self.sugar_bundle_path +"/"+_('help/PyDebug.htm')
self.help_toolbar = HelpToolbar(self.pydebug)
self.help_toolbar.show()
self.first_webview = self.new_tab(self.url_root)
self.web_view_list.append(self.first_webview)
self.current_web_view = self.first_webview
translation = self.translate_zip_url(self.url_root)
_logger.debug("this is url root: %s"%translation)
self.first_webview.load_uri(translation)
def get_help_toolbar(self):
return self.help_toolbar
def _get_help_canvas(self):
nb = gtk.Notebook()
nb.show()
nb.append_page(self.first_webview)
self.help_notebook = nb
return nb
def new_tab(self,url = None):
if url == None:
url = self.url_root
self._web_view = Browser()
_logger.debug('loading new tab with url: %s' % url )
self._web_view.load_uri(url)
self._web_view.connect('destroy',self._web_view.hide)
self.current_url = url
self._web_view.show()
progress_listener = self._web_view.progress
progress_listener.connect('location-changed',
self._location_changed_cb)
progress_listener.connect('loading-stop', self._loading_stop_cb)
return self._web_view
def repaint(self):
self._web_view.load_uri(self.current_url)
def get_first_webview(self):
return self.first_webview
def _location_changed_cb(self, progress_listener, uri):
myuri=''
myuri = str(uri)
_logger.debug('location changed callback %s'%(myuri))
self.update_navigation_buttons()
target = self.translate_zip_url(uri)
_logger.debug(' which translated to %s'%(target))
#self.current_webview.load_uri(target)
uri = target
def translate_zip_url(self,uri): #string in, string returned
#if this file is already unzipped then allow normal processing
if os.path.isfile(uri[7:]): #don't want the leading 'file://'
return uri
#look for the zip suffixes in the uri
self.current_url_prefix = ''
for pattern in ZIP_SUFFIXES:
if uri.find(pattern) > -1:
self.current_url_prefix = uri[:uri.find(pattern)] + pattern
found_pattern = pattern
if self.current_url_prefix == '':
return uri
_logger.debug('pattern found:%s. Prefix: %s'%(found_pattern,self.current_url_prefix))
#find the file in the zip, write it somewhere writeable, load this url instead
zipfile_name = self.current_url_prefix[7:] #clip off the leading "file:"
name_in_zip = uri[len(self.current_url_prefix)+1:]
try:
zf = ZipFile(zipfile_name,'r')
except:
_logger.debug('Opening Zip file failed: %s'%zipfile_name)
return uri
try: #first check to see if this location is already filled
dest = os.path.join(sugar_activity_root,'tmp')
write_zip_to_here = os.path.join(dest, name_in_zip)
if os.path.isfile(write_zip_to_here):
return write_zip_to_here
else:
zf.extract(name_in_zip,dest)
_logger.debug('Writing Zip file to %s '%(write_zip_to_here))
except:
_logger.debug('Extracting Zip file %s to %s failed'%(name_in_zip,dest))
#self.current_web_view.load_uri(dest)
self.last_file_unzipped = write_zip_to_here
url = 'file://' + self.last_file_unzipped
uri.replace(url)
return(url)
def _loading_stop_cb(self, progress_listener):
self.update_navigation_buttons()
def update_navigation_buttons(self):
can_go_back = self.current_web_view.web_navigation.canGoBack
self.help_toolbar._back.props.sensitive = can_go_back
can_go_forward = self.current_web_view.web_navigation.canGoForward
self.help_toolbar._forward.props.sensitive = can_go_forward
def _go_back_cb(self, button):
self.current_web_view.web_navigation.goBack()
def _go_forward_cb(self, button):
self.current_web_view.web_navigation.goForward()
def _go_home_cb(self, button):
self.current_web_view.load_uri(self.url_root)
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