xref: /dokuwiki/inc/Ui/Index.php (revision 903616ed12dcfe945867ad1068c86fba11c6f55d) 
1<?php
2
3namespace dokuwiki\Ui;
4
5use dokuwiki\Extension\Event;
6use dokuwiki\Form\Form;
7
8/**
9 * DokuWiki Index Interface
10 *
11 * @package dokuwiki\Ui
12 */
13class Index extends Ui
14{
15    protected $ns;
16
17    /**
18     * Index Ui constructor
19     *
20     * @param string $ns  namespace
21    */
22    public function __construct($ns = '')
23    {
24        $this->ns = $ns;
25    }
26
27
28    /**
29     * Display page index
30     *
31     * @author   Andreas Gohr <andi@splitbrain.org>
32     *
33     * @return void
34     */
35    public function show()
36    {
37        global $conf;
38        global $ID;
39
40        $ns  = cleanID($this->ns);
41        if (empty($ns)){
42            $ns = getNS($ID);
43            if ($ns === false) $ns = '';
44        }
45        $ns  = utf8_encodeFN(str_replace(':', '/', $ns));
46
47        // print intro
48        print p_locale_xhtml('index');
49
50        print '<div id="index__tree" class="index__tree">';
51
52        $data = array();
53        search($data, $conf['datadir'], 'search_index', array('ns' => $ns));
54        print $this->buildIndexList($data);
55
56        print '</div>';
57    }
58
59    /**
60     * Build html of unordered list of index items
61     *
62     * @param array $data  array with item arrays
63     * @return string
64     */
65    public function buildIndexList($data)
66    {
67        return html_buildlist($data, 'idx', [$this,'formatListItem'], [$this,'tagListItem']);
68    }
69
70    /**
71     * Index item formatter
72     *
73     * User function for html_buildlist()
74     *
75     * @author Andreas Gohr <andi@splitbrain.org>
76     *
77     * @param array $item
78     * @return string
79     */
80    public function formatListItem($item)    // RENAMED from html_list_index()
81    {
82        global $ID, $conf;
83
84        // prevent searchbots needlessly following links
85        $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? 'rel="nofollow"' : '';
86
87        $html = '';
88        $base = ':'.$item['id'];
89        $base = substr($base, strrpos($base,':') +1);
90        if ($item['type'] == 'd') {
91            // FS#2766, no need for search bots to follow namespace links in the index
92            $link = wl($ID, 'idx='. rawurlencode($item['id']));
93            $html .= '<a href="'. $link .'" title="'. $item['id'] .'" class="idx_dir"' . $nofollow .'><strong>';
94            $html .= $base;
95            $html .= '</strong></a>';
96        } else {
97            // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
98            $html .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
99        }
100        return $html;
101    }
102
103    /**
104     * Index List item
105     *
106     * This user function is used in html_buildlist to build the
107     * <li> tags for namespaces when displaying the page index
108     * it gives different classes to opened or closed "folders"
109     *
110     * @author Andreas Gohr <andi@splitbrain.org>
111     *
112     * @param array $item
113     * @return string html
114     */
115    public function tagListItem($item)    // RENAMED from html_li_index()
116    {
117        global $INFO;
118        global $ACT;
119
120        $class = '';
121        $id = '';
122
123        if ($item['type'] == 'f') {
124            // scroll to the current item
125            if (isset($INFO) && $item['id'] == $INFO['id'] && $ACT == 'index') {
126                $id = ' id="scroll__here"';
127                $class = ' bounce';
128            }
129            return '<li class="level'.$item['level'].$class.'" '.$id.'>';
130        } elseif ($item['open']) {
131            return '<li class="open">';
132        } else {
133            return '<li class="closed">';
134        }
135    }
136
137}
138