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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 for a consistent way of
* displaying them.
*/
public class Contacts.ChunkFilter : Gtk.Filter {
public ChunkPropertyFilter? property_filter { get; set; default = null; }
/** Whether empty chunks match the filter */
public bool allow_empty {
get { return this.empty_filter.allow_empty; }
set { this.empty_filter.allow_empty = value; }
}
private ChunkEmptyFilter empty_filter = new ChunkEmptyFilter ();
/** A subfilter that can be used to match the persona of each chunk */
public PersonaFilter? persona_filter { get; set; default = null; }
/**
* Creates a ChunkFilter for a specific property
*/
public ChunkFilter.for_property (string property_name, bool allow_empty = false) {
Object (property_filter: new ChunkPropertyFilter.for_single (property_name),
allow_empty: allow_empty);
}
public override bool match (GLib.Object? item) {
unowned var chunk = (Chunk) item;
return match_property_name (chunk)
&& this.empty_filter.match (chunk)
&& match_persona (chunk);
}
private bool match_property_name (Chunk chunk) {
return this.property_filter == null || this.property_filter.match (chunk);
}
private bool match_persona (Chunk chunk) {
if (this.persona_filter == null)
return true;
return chunk.persona == null || this.persona_filter.match (chunk.persona);
}
public override Gtk.FilterMatch get_strictness () {
return Gtk.FilterMatch.SOME;
}
}
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