Experimental gramplet to find deep connections between home and active
svn: r11770
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Doug Blank
parent
1cad941660
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5f0447bdf0
184
src/plugins/gramplet/DeepConnections.py
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184
src/plugins/gramplet/DeepConnections.py
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# encoding: utf-8
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#
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# Gramps - a GTK+/GNOME based genealogy program - What Next Gramplet plugin
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#
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# Copyright (C) 2009 Doug Blank <doug.blank@gmail.com>
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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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#
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# Python modules
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#
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#------------------------------------------------------------------------
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import gtk
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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 EventType, FamilyRelType
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from BasicUtils import name_displayer
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from DataViews import register, Gramplet
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from TransUtils import sgettext as _
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#------------------------------------------------------------------------
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#
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# The Gramplet
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#
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#------------------------------------------------------------------------
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class DeepConnectionsGramplet(Gramplet):
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"""
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Finds deep connections people the home person and the active person.
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"""
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def init(self):
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self.set_tooltip(_("Double-click name for details"))
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self.set_text(_("No Family Tree loaded."))
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self.set_use_markup(True)
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self.gui.get_container_widget().remove(self.gui.textview)
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vbox = gtk.VBox()
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hbox = gtk.HBox()
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pause_button = gtk.Button(_("Pause"))
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pause_button.connect("clicked", self.interrupt)
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continue_button = gtk.Button(_("Continue"))
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continue_button.connect("clicked", self.resume)
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hbox.pack_start(pause_button, True)
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hbox.pack_start(continue_button, True)
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vbox.pack_start(self.gui.textview, True)
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vbox.pack_start(hbox, False)
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self.gui.get_container_widget().add_with_viewport(vbox)
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vbox.show_all()
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def get_relatives(self, person_handle, path):
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"""
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Gets all of the direct relatives of person_handle.
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"""
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retval = []
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person = self.dbstate.db.get_person_from_handle(person_handle)
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if person is None: return []
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family_list = person.get_family_handle_list()
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for family_handle in family_list:
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family = self.dbstate.db.get_family_from_handle(family_handle)
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children = family.get_child_ref_list()
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for child_ref in children:
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retval += [(child_ref.ref, (path, (_("child of"), person_handle)))]
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husband = family.get_father_handle()
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if husband:
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retval += [(husband, (path, (_("husband of"), person_handle)))]
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wife = family.get_mother_handle()
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if wife:
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retval += [(wife, (path, (_("wife of"), person_handle)))]
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parent_family_list = person.get_parent_family_handle_list()
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for family_handle in parent_family_list:
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family = self.dbstate.db.get_family_from_handle(family_handle)
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children = family.get_child_ref_list()
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for child_ref in children:
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retval += [(child_ref.ref, (path, (_("sibling of"), person_handle)))]
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husband = family.get_father_handle()
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if husband:
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retval += [(husband, (path, (_("father of"), person_handle)))]
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wife = family.get_mother_handle()
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if wife:
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retval += [(wife, (path, (_("mother of"), person_handle)))]
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return retval
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def active_changed(self, handle):
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"""
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Update the gramplet on active person change.
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"""
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self.update()
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def pretty_print(self, path):
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"""
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Print a path to a person, with links.
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"""
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more_path, relation = path
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text, handle = relation
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person = self.dbstate.db.get_person_from_handle(handle)
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name = person.get_primary_name()
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if text != "self":
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self.append_text(_("\n who is a %s of ") % text)
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self.link(name_displayer.display_name(name), "Person", handle)
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if more_path is not None:
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self.pretty_print(more_path)
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def main(self):
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"""
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Main method.
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"""
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self.total_relations_found = 0
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yield True
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default_person = self.dbstate.db.get_default_person()
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active_person = self.dbstate.get_active_person()
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if default_person == None:
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self.set_text(_("No Home Person set."))
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return
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if active_person == None:
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self.set_text(_("No Active Person set."))
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return
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self.cache = {}
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self.queue = [(default_person.handle, (None, (_("self"), default_person.handle)))]
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default_name = default_person.get_primary_name()
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active_name = active_person.get_primary_name()
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self.set_text("")
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self.render_text(_("Looking for relationship between\n" +
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" <b>%s</b> (Home Person) and\n" +
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" <b>%s</b> (Active Person)...\n") %
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(name_displayer.display_name(default_name),
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name_displayer.display_name(active_name)))
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yield True
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while self.queue:
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current_handle, current_path = self.queue.pop(0)
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if current_handle == active_person.handle:
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self.total_relations_found += 1
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self.append_text(_("Found relation #%d: \n ") % self.total_relations_found)
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self.link(name_displayer.display_name(active_name), "Person", active_person.handle)
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self.pretty_print(current_path)
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self.append_text("\n")
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if default_person.handle != active_person.handle:
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self.append_text(_("Paused.\nPress Continue to search for additional relations.\n"))
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self.pause()
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yield False
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else:
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break
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elif current_handle in self.cache:
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continue
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self.cache[current_handle] = 1
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relatives = self.get_relatives(current_handle, current_path)
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for (person_handle, path) in relatives:
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if person_handle is not None and person_handle not in self.cache:
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self.queue.append( (person_handle, path))
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yield True
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self.append_text(_("\nSearch completed. %d relations found.") % self.total_relations_found)
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yield False
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#------------------------------------------------------------------------
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#
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# Register the gramplet
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#
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#------------------------------------------------------------------------
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register(
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type = "gramplet",
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name = "Deep Connections Gramplet",
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tname =_("Deep Connections Gramplet"),
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height = 230,
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expand = True,
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content = DeepConnectionsGramplet,
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title = _("Deep Connections"))
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