def _load_state(self):
"""
Loads saved application state, if possible. Overload the envisage-
defined one to fix a py3k bug and increment the TasksApplicationState
version.
"""
state = TasksApplicationState(version = 2)
filename = os.path.join(self.state_location, 'application_memento')
if os.path.exists(filename):
# Attempt to unpickle the saved application state.
try:
with open(filename, 'rb') as f:
restored_state = pickle.load(f)
if state.version == restored_state.version:
state = restored_state
# make sure the active task is the main window
state.previous_window_layouts[0].active_task = 'edu.mit.synbio.cytoflowgui.flow_task'
else:
logger.warn('Discarding outdated application layout')
except:
# If anything goes wrong, log the error and continue.
logger.exception('Had a problem restoring application layout from %s',
filename)
self._state = state
def _envisage_load_state(self):
""" Loads saved application state, if possible.
"""
state = TasksApplicationState()
filename = os.path.join(self.state_location, 'application_memento')
if os.path.exists(filename):
# Attempt to unpickle the saved application state.
try:
with open(filename, 'rb') as f:
restored_state = pickle.load(f)
if state.version == restored_state.version:
state = restored_state
else:
logger.warn('Discarding outdated application layout')
except:
# If anything goes wrong, log the error and continue.
logger.exception('Restoring application layout from %s',
filename)
self._state = state