270 lines
9.5 KiB
Python
270 lines
9.5 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2007 Donald N. Allingham
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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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Provide sorting routines for use in GRAMPS. Since these functions are
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intended to provide fast sorting, they tend to bypass access methods,
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and directly use class members. For this reason, care needs to be taken
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to make sure these remain in sync with the rest of the design.
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"""
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#-------------------------------------------------------------------------
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#
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# Standard python modules
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#
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#-------------------------------------------------------------------------
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import locale
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#-------------------------------------------------------------------------
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#
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# GRAMPS Modules
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#
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#-------------------------------------------------------------------------
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from gen.lib import Date
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from gen.utils import get_birth_or_fallback, get_death_or_fallback
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from BasicUtils import name_displayer as _nd
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#-------------------------------------------------------------------------
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#
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# Constants
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#
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#-------------------------------------------------------------------------
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class Sort(object):
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def __init__(self, database):
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self.database = database
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def by_last_name(self, first_id, second_id):
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"""Sort routine for comparing two last names. If last names are equal,
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uses the given name and suffix"""
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first = self.database.get_person_from_handle(first_id)
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second = self.database.get_person_from_handle(second_id)
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name1 = first.get_primary_name()
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name2 = second.get_primary_name()
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fsn = name1.get_surname()
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ssn = name2.get_surname()
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if fsn == ssn :
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ffn = name1.get_first_name()
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sfn = name2.get_first_name()
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if ffn == sfn:
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return locale.strcoll(name1.get_suffix(), name2.get_suffix())
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else:
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return locale.strcoll(ffn, sfn)
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else:
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return locale.strcoll(fsn, ssn)
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def by_last_name_key(self, first_id):
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"""Sort routine for comparing two last names. If last names are equal,
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uses the given name and suffix"""
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first = self.database.get_person_from_handle(first_id)
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name1 = first.get_primary_name()
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fsn = name1.get_surname()
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ffn = name1.get_first_name()
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fsu = name1.get_suffix()
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return locale.strxfrm(fsn + ffn + fsu)
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def by_sorted_name(self, first_id, second_id):
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"""
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Sort routine for comparing two displayed names.
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"""
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first = self.database.get_person_from_handle(first_id)
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second = self.database.get_person_from_handle(second_id)
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name1 = _nd.sorted(first)
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name2 = _nd.sorted(second)
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return locale.strcoll(name1, name2)
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def by_sorted_name_key(self, first_id):
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"""
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Sort routine for comparing two displayed names.
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"""
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first = self.database.get_person_from_handle(first_id)
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name1 = _nd.sorted(first)
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return locale.strxfrm(name1)
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def by_birthdate(self, first_id, second_id):
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"""Sort routine for comparing two people by birth dates. If the birth dates
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are equal, sorts by name"""
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first = self.database.get_person_from_handle(first_id)
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second = self.database.get_person_from_handle(second_id)
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birth1 = get_birth_or_fallback(self.database, first)
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if birth1:
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date1 = birth1.get_date_object()
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else:
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date1 = Date()
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birth2 = get_birth_or_fallback(self.database, second)
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if birth2:
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date2 = birth2.get_date_object()
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else:
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date2 = Date()
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dsv1 = date1.get_sort_value()
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dsv2 = date2.get_sort_value()
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val = cmp(dsv1, dsv2)
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if val == 0:
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return self.by_last_name(first_id, second_id)
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return val
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def by_birthdate_key(self, first_id):
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"""Sort routine for comparing two people by birth dates. If the birth dates
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are equal, sorts by name"""
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first = self.database.get_person_from_handle(first_id)
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birth1 = get_birth_or_fallback(self.database, first)
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if birth1:
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date1 = birth1.get_date_object()
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else:
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date1 = Date()
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dsv1 = date1.get_sort_value()
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return "%08d" % dsv1 + self.by_last_name_key(first_id)
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def by_date(self, a_id, b_id):
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"""Sort routine for comparing two events by their dates. """
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if not (a_id and b_id):
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return 0
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a_obj = self.database.get_event_from_handle(a_id)
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b_obj = self.database.get_event_from_handle(b_id)
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return cmp(a_obj.get_date_object(), b_obj.get_date_object())
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def by_date_key(self, a_id):
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"""Sort routine for comparing two events by their dates. """
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if not a_id:
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return 0
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a_obj = self.database.get_event_from_handle(a_id)
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return a_obj.get_date_object()
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def by_place_title(self, a_id, b_id):
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"""Sort routine for comparing two places. """
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if not (a_id and b_id):
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return 0
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a_obj = self.database.get_place_from_handle(a_id)
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b_obj = self.database.get_place_from_handle(b_id)
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return locale.strcoll(a_obj.title, b_obj.title)
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def by_place_title_key(self, a_id):
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"""Sort routine for comparing two places. """
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if not a_id:
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return 0
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a_obj = self.database.get_place_from_handle(a_id)
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return locale.strxfrm(a_obj.title)
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def by_event_place(self, a_id, b_id):
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"""Sort routine for comparing two events by their places. """
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if not (a_id and b_id):
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return 0
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evt_a = self.database.get_event_from_handle(a_id)
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evt_b = self.database.get_event_from_handle(b_id)
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plc_a = self.database.get_place_from_handle(evt_a.get_place_handle())
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plc_b = self.database.get_place_from_handle(evt_b.get_place_handle())
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plc_a_title = ""
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plc_b_title = ""
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if plc_a:
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plc_a_title = plc_a.title
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if plc_b:
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plc_b_title = plc_b.title
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return locale.strcoll(plc_a_title, plc_b_title)
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def by_event_place_key(self, a_id):
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"""Sort routine for comparing two events by their places. """
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if not a_id:
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return 0
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evt_a = self.database.get_event_from_handle(a_id)
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plc_a = self.database.get_place_from_handle(evt_a.get_place_handle())
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plc_a_title = plc_a.title if plc_a else ""
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return locale.strxfrml(plc_a_title)
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def by_event_description(self, a_id, b_id):
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"""Sort routine for comparing two events by their descriptions. """
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if not (a_id and b_id):
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return 0
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evt_a = self.database.get_event_from_handle(a_id)
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evt_b = self.database.get_event_from_handle(b_id)
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return locale.strcoll(evt_a.get_description(), evt_b.get_description())
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def by_event_description_key(self, a_id):
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"""Sort routine for comparing two events by their descriptions. """
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if not a_id:
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return 0
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evt_a = self.database.get_event_from_handle(a_id)
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return locale.strxfrm(evt_a.get_description())
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def by_event_id(self, a_id, b_id):
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"""Sort routine for comparing two events by their ID. """
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if not (a_id and b_id):
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return 0
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evt_a = self.database.get_event_from_handle(a_id)
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evt_b = self.database.get_event_from_handle(b_id)
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return locale.strcoll(evt_a.get_gramps_id(), evt_b.get_gramps_id())
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def by_event_id_key(self, a_id):
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"""Sort routine for comparing two events by their ID. """
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if not (a_id and b_id):
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return 0
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evt_a = self.database.get_event_from_handle(a_id)
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return locale.strxfrm(evt_a.get_gramps_id())
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def by_event_type(self, a_id, b_id):
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"""Sort routine for comparing two events by their type. """
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if not (a_id and b_id):
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return 0
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evt_a = self.database.get_event_from_handle(a_id)
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evt_b = self.database.get_event_from_handle(b_id)
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return locale.strcoll(str(evt_a.get_type()), str(evt_b.get_type()))
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def by_event_type_key(self, a_id):
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"""Sort routine for comparing two events by their type. """
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if not a_id:
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return 0
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evt_a = self.database.get_event_from_handle(a_id)
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return locale.strxfrm(str(evt_a.get_type()))
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def by_media_title(self,a_id,b_id):
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"""Sort routine for comparing two media objects by their title. """
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if not (a_id and b_id):
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return False
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a = self.database.get_object_from_handle(a_id)
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b = self.database.get_object_from_handle(b_id)
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return locale.strcoll(a.desc, b.desc)
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def by_media_title_key(self, a_id):
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"""Sort routine for comparing two media objects by their title. """
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if not a_id:
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return False
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a = self.database.get_object_from_handle(a_id)
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return locale.strxfrm(a.desc)
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