xref: /webtrees/app/Module/AlbumModule.php (revision ba5cd25e4897e5ca3268036ab8a43da7979eff40) 
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2017 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16namespace Fisharebest\Webtrees\Module;
17
18use Fisharebest\Webtrees\Auth;
19use Fisharebest\Webtrees\I18N;
20use Fisharebest\Webtrees\Media;
21use Fisharebest\Webtrees\View;
22
23/**
24 * Class AlbumModule
25 */
26class AlbumModule extends AbstractModule implements ModuleTabInterface {
27	/** @var Media[] List of media objects. */
28	private $media_list;
29
30	/**
31	 * How should this module be labelled on tabs, menus, etc.?
32	 *
33	 * @return string
34	 */
35	public function getTitle() {
36		return /* I18N: Name of a module */ I18N::translate('Album');
37	}
38
39	/**
40	 * A sentence describing what this module does.
41	 *
42	 * @return string
43	 */
44	public function getDescription() {
45		return /* I18N: Description of the “Album” module */ I18N::translate('An alternative to the “media” tab, and an enhanced image viewer.');
46	}
47
48	/**
49	 * The user can re-arrange the tab order, but until they do, this
50	 * is the order in which tabs are shown.
51	 *
52	 * @return int
53	 */
54	public function defaultTabOrder() {
55		return 60;
56	}
57
58	/**
59	 * Is this tab empty? If so, we don't always need to display it.
60	 *
61	 * @return bool
62	 */
63	public function hasTabContent() {
64		global $WT_TREE;
65
66		return Auth::isEditor($WT_TREE) || $this->getMedia();
67	}
68
69	/**
70	 * A greyed out tab has no actual content, but may perhaps have
71	 * options to create content.
72	 *
73	 * @return bool
74	 */
75	public function isGrayedOut() {
76		return !$this->getMedia();
77	}
78
79	/**
80	 * Generate the HTML content of this tab.
81	 *
82	 * @return string
83	 */
84	public function getTabContent() {
85		return View::make('tabs/album', [
86			'media_list' => $this->getMedia()
87		]);
88	}
89
90	/**
91	 * Get all facts containing media links for this person and their spouse-family records
92	 *
93	 * @return Media[]
94	 */
95	private function getMedia() {
96		global $controller;
97
98		if ($this->media_list === null) {
99			// Use facts from this individual and all their spouses
100			$facts = $controller->record->getFacts();
101			foreach ($controller->record->getSpouseFamilies() as $family) {
102				foreach ($family->getFacts() as $fact) {
103					$facts[] = $fact;
104				}
105			}
106			// Use all media from each fact
107			$this->media_list = [];
108			foreach ($facts as $fact) {
109				// Don't show pending edits, as the user just sees duplicates
110				if (!$fact->isPendingDeletion()) {
111					preg_match_all('/(?:^1|\n\d) OBJE @(' . WT_REGEX_XREF . ')@/', $fact->getGedcom(), $matches);
112					foreach ($matches[1] as $match) {
113						$media = Media::getInstance($match, $controller->record->getTree());
114						if ($media && $media->canShow()) {
115							$this->media_list[] = $media;
116						}
117					}
118				}
119			}
120			// If a media object is linked twice, only show it once
121			$this->media_list = array_unique($this->media_list);
122			// Sort these using _WT_OBJE_SORT
123			$wt_obje_sort = [];
124			foreach ($controller->record->getFacts('_WT_OBJE_SORT') as $fact) {
125				$wt_obje_sort[] = trim($fact->getValue(), '@');
126			}
127			usort($this->media_list, function (Media $x, Media $y) use ($wt_obje_sort) {
128				return array_search($x->getXref(), $wt_obje_sort) - array_search($y->getXref(), $wt_obje_sort);
129			});
130		}
131
132		return $this->media_list;
133	}
134
135	/**
136	 * Can this tab load asynchronously?
137	 *
138	 * @return bool
139	 */
140	public function canLoadAjax() {
141		return false;
142	}
143
144	/**
145	 * Any content (e.g. Javascript) that needs to be rendered before the tabs.
146	 *
147	 * This function is probably not needed, as there are better ways to achieve this.
148	 *
149	 * @return string
150	 */
151	public function getPreLoadContent() {
152		return '';
153	}
154}
155