Gnumed.timelinelib.repositories.categories

Package Gnumed :: Package timelinelib :: Package repositories :: Module categories |
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# Source Code for Module Gnumed.timelinelib.repositories.categories

     1  # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018  Rickard Lindberg, Roger Lindberg
     2  #
     3  # This file is part of Timeline.
     4  #
     5  # Timeline is free software: you can redistribute it and/or modify
     6  # it under the terms of the GNU General Public License as published by
     7  # the Free Software Foundation, either version 3 of the License, or
     8  # (at your option) any later version.
     9  #
    10  # Timeline is distributed in the hope that it will be useful,
    11  # but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  # GNU General Public License for more details.
    14  #
    15  # You should have received a copy of the GNU General Public License
    16  # along with Timeline.  If not, see <http://www.gnu.org/licenses/>.
    17
    18
    19  from timelinelib.general.observer import Observable
    20
    21
    22 -class CategoriesFacade(Observable):
    23
    24 -    def __init__(self, db, view_properties):
    25          Observable.__init__(self)
    26          self.db = db
    27          self.view_properties = view_properties
    28          self.db.listen_for_any(self._notify)
    29          self.view_properties.listen_for_any(self._notify)
    30
    31 -    def get_all(self):
    32          return self.db.get_categories()
    33
    34 -    def get_immediate_children(self, parent):
    35          return [category for category in self.db.get_categories()
    36                  if category._get_parent() == parent]
    37
    38 -    def get_all_children(self, parent):
    39          all_children = []
    40          for child in self.get_immediate_children(parent):
    41              all_children.append(child)
    42              all_children.extend(self.get_all_children(child))
    43          return all_children
    44
    45 -    def get_parents(self, child):
    46          parents = []
    47          while child._get_parent():
    48              parents.append(child._get_parent())
    49              child = child._get_parent()
    50          return parents
    51
    52 -    def get_parents_for_checked_childs(self):
    53          parents = []
    54          for category in self._get_all_checked_categories():
    55              parents.extend(self.get_parents(category))
    56          return parents
    57
    58 -    def is_visible(self, category):
    59          return self.view_properties.is_category_visible(category)
    60
    61 -    def is_event_with_category_visible(self, category):
    62          return self.view_properties.is_event_with_category_visible(category)
    63
    64 -    def _get_all_checked_categories(self):
    65          return [category for category in self.db.get_categories()
    66                  if self.is_visible(category)]
    67