# Gramps - a GTK+/GNOME based genealogy program # # Copyright (C) 2011 Nick Hall # Copyright (C) 2011 Tim G L Lyons # # 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # $Id$ # from ListModel import ListModel, NOSORT from Utils import navigation_label from gen.plug import Gramplet from gen.ggettext import gettext as _ import gtk class Backlinks(Gramplet): """ Displays the back references for an object. """ def init(self): self.gui.WIDGET = self.build_gui() self.gui.get_container_widget().remove(self.gui.textview) self.gui.get_container_widget().add_with_viewport(self.gui.WIDGET) self.gui.WIDGET.show() def build_gui(self): """ Build the GUI interface. """ top = gtk.TreeView() titles = [(_('Type'), 1, 100), (_('Name'), 2, 100)] self.model = ListModel(top, titles) return top def display_backlinks(self, active_handle): """ Display the back references for an object. """ for classname, handle in \ self.dbstate.db.find_backlink_handles(active_handle): name = navigation_label(self.dbstate.db, classname, handle)[0] self.model.add((_(classname), name)) self.set_has_data(self.model.count > 0) def get_has_data(self, active_handle): """ Return True if the gramplet has data, else return False. """ if active_handle is None: return False for handle in self.dbstate.db.find_backlink_handles(active_handle): return True return False class PersonBacklinks(Backlinks): """ Displays the back references for a person. """ def db_changed(self): self.dbstate.db.connect('person-update', self.update) def active_changed(self, handle): self.update() def update_has_data(self): active_handle = self.get_active('Person') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Person') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False) class EventBacklinks(Backlinks): """ Displays the back references for an event. """ def db_changed(self): self.dbstate.db.connect('event-update', self.update) self.connect_signal('Event', self.update) def update_has_data(self): active_handle = self.get_active('Event') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Event') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False) class FamilyBacklinks(Backlinks): """ Displays the back references for a family. """ def db_changed(self): self.dbstate.db.connect('family-update', self.update) self.connect_signal('Family', self.update) def update_has_data(self): active_handle = self.get_active('Family') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Family') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False) class PlaceBacklinks(Backlinks): """ Displays the back references for a place. """ def db_changed(self): self.dbstate.db.connect('place-update', self.update) self.connect_signal('Place', self.update) def update_has_data(self): active_handle = self.get_active('Place') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Place') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False) class SourceBacklinks(Backlinks): """ Displays the back references for a source,. """ def db_changed(self): self.dbstate.db.connect('source-update', self.update) self.connect_signal('Source', self.update) def update_has_data(self): active_handle = self.get_active('Source') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Source') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False) class CitationBacklinks(Backlinks): """ Displays the back references for a Citation,. """ def db_changed(self): self.dbstate.db.connect('citation-update', self.update) self.connect_signal('Citation', self.update) def update_has_data(self): active_handle = self.get_active('Citation') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Citation') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False) class RepositoryBacklinks(Backlinks): """ Displays the back references for a repository. """ def db_changed(self): self.dbstate.db.connect('repository-update', self.update) self.connect_signal('Repository', self.update) def update_has_data(self): active_handle = self.get_active('Repository') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Repository') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False) class MediaBacklinks(Backlinks): """ Displays the back references for a media object. """ def db_changed(self): self.dbstate.db.connect('media-update', self.update) self.connect_signal('Media', self.update) def update_has_data(self): active_handle = self.get_active('Media') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Media') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False) class NoteBacklinks(Backlinks): """ Displays the back references for a note. """ def db_changed(self): self.dbstate.db.connect('note-update', self.update) self.connect_signal('Note', self.update) def update_has_data(self): active_handle = self.get_active('Note') self.set_has_data(self.get_has_data(active_handle)) def main(self): active_handle = self.get_active('Note') self.model.clear() if active_handle: self.display_backlinks(active_handle) else: self.set_has_data(False)