xref: /webtrees/app/Module/ModuleListTrait.php (revision a0e7c4295c1f0b23b4dae10740838cc05665866f) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Module;
21
22use Fisharebest\Webtrees\Menu;
23use Fisharebest\Webtrees\Tree;
24
25/**
26 * Trait ModuleListTrait - default implementation of ModuleListInterface
27 */
28trait ModuleListTrait
29{
30    /**
31     * A main menu item for this list, or null if the list is empty.
32     *
33     * @param Tree $tree
34     *
35     * @return Menu|null
36     */
37    public function listMenu(Tree $tree): ?Menu
38    {
39        if ($this->listIsEmpty($tree)) {
40            return null;
41        }
42
43        return new Menu(
44            $this->listTitle(),
45            $this->listUrl($tree),
46            $this->listMenuClass(),
47            $this->listUrlAttributes()
48        );
49    }
50
51    /**
52     * CSS class for the menu.
53     *
54     * @return string
55     */
56    public function listMenuClass(): string
57    {
58        return '';
59    }
60
61    /**
62     * The title for a specific instance of this list.
63     *
64     * @return string
65     */
66    public function listTitle(): string
67    {
68        return $this->title();
69    }
70
71    /**
72     * The URL for a page showing list options.
73     *
74     * @param Tree    $tree
75     * @param mixed[] $parameters
76     *
77     * @return string
78     */
79    public function listUrl(Tree $tree, array $parameters = []): string
80    {
81        return route('module', [
82                'module' => $this->name(),
83                'action' => 'List',
84                'tree'    => $tree->name(),
85        ] + $parameters);
86    }
87
88    /**
89     * Attributes for the URL.
90     *
91     * @return string[]
92     */
93    public function listUrlAttributes(): array
94    {
95        return ['rel' => 'nofollow'];
96    }
97
98    /**
99     * @param Tree $tree
100     *
101     * @return bool
102     */
103    public function listIsEmpty(Tree $tree): bool
104    {
105        return false;
106    }
107}
108