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/*
* Copyright (C) 2021 Niels De Graef <nielsdegraef@gmail.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
using Folks;
/**
* A subclass of {@link Gtk.Sorter} which sorts {@link Folks.Individual}s.
*/
public class Contacts.IndividualSorter : Gtk.Sorter {
private bool sort_on_surname = false;
public IndividualSorter (GLib.Settings settings) {
this.sort_on_surname = settings.get_boolean ("sort-on-surname");
settings.changed["sort-on-surname"].connect (() => {
this.sort_on_surname = settings.get_boolean ("sort-on-surname");
this.changed (Gtk.SorterChange.DIFFERENT);
});
}
public override Gtk.Ordering compare (Object? item1, Object? item2) {
unowned var a = item1 as Individual;
if (a == null)
return Gtk.Ordering.SMALLER;
unowned var b = item2 as Individual;
if (b == null)
return Gtk.Ordering.LARGER;
// Always prefer favourites over non-favourites.
if (a.is_favourite != b.is_favourite)
return a.is_favourite? Gtk.Ordering.SMALLER : Gtk.Ordering.LARGER;
// Both are (non-)favourites: sort by either first name or surname (user preference)
unowned var a_name = this.sort_on_surname? try_get_surname (a) : a.display_name;
unowned var b_name = this.sort_on_surname? try_get_surname (b) : b.display_name;
int names_cmp = a_name.collate (b_name);
if (names_cmp != 0)
return Gtk.Ordering.from_cmpfunc (names_cmp);
// Since we want total ordering, compare uuids as a last resort
return Gtk.Ordering.from_cmpfunc (strcmp (a.id, b.id));
}
private unowned string try_get_surname (Individual indiv) {
if (indiv.structured_name != null && indiv.structured_name.family_name != "")
return indiv.structured_name.family_name;
// Fall back to the display_name
return indiv.display_name;
}
public override Gtk.SorterOrder get_order () {
return Gtk.SorterOrder.TOTAL;
}
}
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