1 package fr.ifremer.dali.ui.swing.util.map.layer;
2
3 /*-
4 * #%L
5 * Dali :: UI
6 * $Id:$
7 * $HeadURL:$
8 * %%
9 * Copyright (C) 2014 - 2017 Ifremer
10 * %%
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU Affero General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU Affero General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 * #L%
24 */
25
26 import org.geotools.geometry.jts.ReferencedEnvelope;
27 import org.geotools.map.Layer;
28
29 import java.util.List;
30
31 /**
32 * A layer collection used to group layers from a data object
33 *
34 * @author peck7 on 12/06/2017.
35 */
36 public interface DataLayerCollection {
37
38 /**
39 * Get all existing layers in this collection
40 * @return all layers
41 */
42 List<Layer> getLayers();
43
44 /**
45 * Calculate the envelope of this collection
46 * @return the envelope
47 */
48 default ReferencedEnvelope getEnvelope() {
49 ReferencedEnvelope envelope = new ReferencedEnvelope();
50 for (Layer layer : getLayers()) {
51 envelope.expandToInclude(layer.getBounds());
52 }
53 return envelope;
54 }
55
56 }