xref: /webtrees/app/Module/SourcesTabModule.php (revision 2ebcf907ed34213f816592af04e6c160335d6311) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Module;
21
22use Fisharebest\Webtrees\Fact;
23use Fisharebest\Webtrees\I18N;
24use Fisharebest\Webtrees\Individual;
25use Fisharebest\Webtrees\Services\ClipboardService;
26use Illuminate\Support\Collection;
27
28/**
29 * Class SourcesTabModule
30 */
31class SourcesTabModule extends AbstractModule implements ModuleTabInterface
32{
33    use ModuleTabTrait;
34
35    /** @var Collection All facts belonging to this source. */
36    private $facts;
37
38    /** @var ClipboardService */
39    private $clipboard_service;
40
41    /**
42     * SourcesTabModule constructor.
43     *
44     * @param ClipboardService $clipboard_service
45     */
46    public function __construct(ClipboardService $clipboard_service)
47    {
48        $this->clipboard_service = $clipboard_service;
49    }
50
51    /**
52     * How should this module be identified in the control panel, etc.?
53     *
54     * @return string
55     */
56    public function title(): string
57    {
58        /* I18N: Name of a module */
59        return I18N::translate('Sources');
60    }
61
62    /**
63     * A sentence describing what this module does.
64     *
65     * @return string
66     */
67    public function description(): string
68    {
69        /* I18N: Description of the “Sources” module */
70        return I18N::translate('A tab showing the sources linked to an individual.');
71    }
72
73    /**
74     * The default position for this tab.  It can be changed in the control panel.
75     *
76     * @return int
77     */
78    public function defaultTabOrder(): int
79    {
80        return 3;
81    }
82
83    /**
84     * Is this tab empty? If so, we don't always need to display it.
85     *
86     * @param Individual $individual
87     *
88     * @return bool
89     */
90    public function hasTabContent(Individual $individual): bool
91    {
92        return $individual->canEdit() || $this->getFactsWithSources($individual)->isNotEmpty();
93    }
94
95    /**
96     * A greyed out tab has no actual content, but may perhaps have
97     * options to create content.
98     *
99     * @param Individual $individual
100     *
101     * @return bool
102     */
103    public function isGrayedOut(Individual $individual): bool
104    {
105        return $this->getFactsWithSources($individual)->isEmpty();
106    }
107
108    /**
109     * Generate the HTML content of this tab.
110     *
111     * @param Individual $individual
112     *
113     * @return string
114     */
115    public function getTabContent(Individual $individual): string
116    {
117        return view('modules/sources_tab/tab', [
118            'can_edit'        => $individual->canEdit(),
119            'clipboard_facts' => $this->clipboard_service->pastableFactsOfType($individual, $this->supportedFacts()),
120            'individual'      => $individual,
121            'facts'           => $this->getFactsWithSources($individual),
122        ]);
123    }
124
125    /**
126     * Get all the facts for an individual which contain sources.
127     *
128     * @param Individual $individual
129     *
130     * @return Collection<Fact>
131     */
132    private function getFactsWithSources(Individual $individual): Collection
133    {
134        if ($this->facts === null) {
135            $facts = $individual->facts();
136
137            foreach ($individual->spouseFamilies() as $family) {
138                if ($family->canShow()) {
139                    foreach ($family->facts() as $fact) {
140                        $facts->push($fact);
141                    }
142                }
143            }
144
145            $this->facts = new Collection();
146
147            foreach ($facts as $fact) {
148                if (preg_match('/(?:^1|\n\d) SOUR/', $fact->gedcom())) {
149                    $this->facts->push($fact);
150                }
151            }
152
153            $this->facts = Fact::sortFacts($this->facts);
154        }
155
156        return $this->facts;
157    }
158
159    /**
160     * Can this tab load asynchronously?
161     *
162     * @return bool
163     */
164    public function canLoadAjax(): bool
165    {
166        return false;
167    }
168
169    /**
170     * This module handles the following facts - so don't show them on the "Facts and events" tab.
171     *
172     * @return Collection<string>
173     */
174    public function supportedFacts(): Collection
175    {
176        return new Collection(['INDI:SOUR', 'FACT:SOUR']);
177    }
178}
179