251 lines
7.6 KiB
Python
251 lines
7.6 KiB
Python
# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2011 Nick Hall
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# Copyright (C) 2011 Tim G L Lyons
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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#
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from ListModel import ListModel, NOSORT
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from Utils import navigation_label
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from gen.plug import Gramplet
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from gen.ggettext import gettext as _
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import gtk
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class Backlinks(Gramplet):
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"""
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Displays the back references for an object.
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"""
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def init(self):
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self.gui.WIDGET = self.build_gui()
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self.gui.get_container_widget().remove(self.gui.textview)
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self.gui.get_container_widget().add_with_viewport(self.gui.WIDGET)
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self.gui.WIDGET.show()
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def build_gui(self):
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"""
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Build the GUI interface.
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"""
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top = gtk.TreeView()
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titles = [(_('Type'), 1, 100),
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(_('Name'), 2, 100)]
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self.model = ListModel(top, titles)
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return top
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def display_backlinks(self, active_handle):
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"""
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Display the back references for an object.
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"""
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for classname, handle in \
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self.dbstate.db.find_backlink_handles(active_handle):
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name = navigation_label(self.dbstate.db, classname, handle)[0]
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self.model.add((_(classname), name))
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self.set_has_data(self.model.count > 0)
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def get_has_data(self, active_handle):
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"""
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Return True if the gramplet has data, else return False.
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"""
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if active_handle is None:
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return False
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for handle in self.dbstate.db.find_backlink_handles(active_handle):
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return True
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return False
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class PersonBacklinks(Backlinks):
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"""
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Displays the back references for a person.
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"""
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def db_changed(self):
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self.dbstate.db.connect('person-update', self.update)
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def active_changed(self, handle):
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self.update()
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def update_has_data(self):
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active_handle = self.get_active('Person')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Person')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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class EventBacklinks(Backlinks):
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"""
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Displays the back references for an event.
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"""
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def db_changed(self):
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self.dbstate.db.connect('event-update', self.update)
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self.connect_signal('Event', self.update)
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def update_has_data(self):
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active_handle = self.get_active('Event')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Event')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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class FamilyBacklinks(Backlinks):
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"""
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Displays the back references for a family.
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"""
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def db_changed(self):
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self.dbstate.db.connect('family-update', self.update)
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self.connect_signal('Family', self.update)
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def update_has_data(self):
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active_handle = self.get_active('Family')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Family')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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class PlaceBacklinks(Backlinks):
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"""
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Displays the back references for a place.
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"""
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def db_changed(self):
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self.dbstate.db.connect('place-update', self.update)
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self.connect_signal('Place', self.update)
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def update_has_data(self):
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active_handle = self.get_active('Place')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Place')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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class SourceBacklinks(Backlinks):
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"""
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Displays the back references for a source,.
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"""
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def db_changed(self):
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self.dbstate.db.connect('source-update', self.update)
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self.connect_signal('Source', self.update)
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def update_has_data(self):
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active_handle = self.get_active('Source')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Source')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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class CitationBacklinks(Backlinks):
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"""
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Displays the back references for a Citation,.
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"""
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def db_changed(self):
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self.dbstate.db.connect('citation-update', self.update)
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self.connect_signal('Citation', self.update)
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def update_has_data(self):
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active_handle = self.get_active('Citation')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Citation')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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class RepositoryBacklinks(Backlinks):
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"""
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Displays the back references for a repository.
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"""
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def db_changed(self):
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self.dbstate.db.connect('repository-update', self.update)
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self.connect_signal('Repository', self.update)
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def update_has_data(self):
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active_handle = self.get_active('Repository')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Repository')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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class MediaBacklinks(Backlinks):
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"""
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Displays the back references for a media object.
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"""
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def db_changed(self):
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self.dbstate.db.connect('media-update', self.update)
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self.connect_signal('Media', self.update)
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def update_has_data(self):
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active_handle = self.get_active('Media')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Media')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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class NoteBacklinks(Backlinks):
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"""
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Displays the back references for a note.
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"""
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def db_changed(self):
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self.dbstate.db.connect('note-update', self.update)
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self.connect_signal('Note', self.update)
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def update_has_data(self):
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active_handle = self.get_active('Note')
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self.set_has_data(self.get_has_data(active_handle))
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def main(self):
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active_handle = self.get_active('Note')
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self.model.clear()
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if active_handle:
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self.display_backlinks(active_handle)
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else:
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self.set_has_data(False)
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