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# coding: UTF-8
# Copyright 2009, 2010 Thomas Jourdan
#
# 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.
#
# 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
import gtk
import gtk.gdk
import gobject
import ka_status
import ka_debug
_STATUS_PAGE_NUMBER = 5
class StatusController(object):
"""
inv: self._widget_tree is not None
inv: self._statusview is not None
inv: self._status is not None
"""
def __init__(self, controller, init_widget_tree):
"""
pre: init_widget_tree is not None
"""
self._widget_tree = init_widget_tree
self._my_page = False
self._visible = False
self._statusview = self._widget_tree.get_widget('statusTextview')
self._status = ka_status.Status.instance()
def close(self):
"""Clean up"""
pass
def autoconnect_events(self):
"""Auto connect status view."""
#Create a dictionary to connect events
events = {
'on_statustextview_visibility_notify_event' :
self.on_statuspage_visibility_notify_event,
'on_notebook_switch_page' : self.on_notebook_switch_page,
}
self._widget_tree.signal_autoconnect(events)
gobject.timeout_add(1000, self.on_timer)
def localize(self):
"""A dummy"""
pass
def show(self):
"""A dummy"""
pass
def refresh(self):
"""Replace status text completely."""
buf = self._statusview.get_buffer()
buf.delete(buf.get_start_iter(), buf.get_end_iter())
buf.insert(buf.get_end_iter(), self._status.recall())
def on_timer(self, *args):
"""Process next update cycle."""
if self._visible and self._my_page:
self.refresh()
gobject.timeout_add(1000, self.on_timer)
def on_statuspage_visibility_notify_event(self, *args):
"""
pre: len(args) >= 2
pre: isinstance(args[1], gtk.gdk.Event)
"""
# ka_debug.info('on_statuspage_visibility_notify_event %s' % (args[1].state))
self._visible = not args[1].state == gtk.gdk.VISIBILITY_FULLY_OBSCURED
return False
def on_notebook_switch_page(self, *args):
"""Test if status page will be displayed.
pre: len(args) >= 3
"""
# ka_debug.info('on_notebook_switch_page %s' % (args[2]))
self._my_page = args[2] == _STATUS_PAGE_NUMBER
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