Source code for timelinelib.repositories.categories
# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Rickard Lindberg, Roger Lindberg
#
# This file is part of Timeline.
#
# Timeline 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.
#
# Timeline 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 Timeline. If not, see <http://www.gnu.org/licenses/>.
from timelinelib.general.observer import Observable
[docs]class CategoriesFacade(Observable):
[docs] def __init__(self, db, view_properties):
Observable.__init__(self)
self.db = db
self.view_properties = view_properties
self.db.listen_for_any(self._notify)
self.view_properties.listen_for_any(self._notify)
[docs] def get_all(self):
return self.db.get_categories()
[docs] def get_all_children(self, parent):
all_children = []
for child in self.get_immediate_children(parent):
all_children.append(child)
all_children.extend(self.get_all_children(child))
return all_children
[docs] def get_parents(self, child):
parents = []
while child._get_parent():
parents.append(child._get_parent())
child = child._get_parent()
return parents
[docs] def get_parents_for_checked_childs(self):
parents = []
for category in self._get_all_checked_categories():
parents.extend(self.get_parents(category))
return parents
[docs] def is_visible(self, category):
return self.view_properties.is_category_visible(category)
[docs] def is_event_with_category_visible(self, category):
return self.view_properties.is_event_with_category_visible(category)
def _get_all_checked_categories(self):
return [category for category in self.db.get_categories()
if self.is_visible(category)]