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/*
* Copyright (C) 2022 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 custom GtkFilter to filter {@link Chunk}s on them possibly being non-empty.
*/
public class Contacts.ChunkEmptyFilter : Gtk.Filter {
/** Whether empty chunks match the filter */
public bool allow_empty {
get { return this._allow_empty; }
set {
if (this._allow_empty == value)
return;
this._allow_empty = value;
changed (value? Gtk.FilterChange.LESS_STRICT : Gtk.FilterChange.MORE_STRICT);
}
}
private bool _allow_empty = false;
public override bool match (GLib.Object? item) {
unowned var chunk = (Chunk) item;
return match_empty (chunk);
}
private bool match_empty (Chunk chunk) {
return this.allow_empty || !chunk.is_empty;
}
public override Gtk.FilterMatch get_strictness () {
return this.allow_empty? Gtk.FilterMatch.ALL : Gtk.FilterMatch.SOME;
}
}
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