xref: /plugin/autotranslation/helper.php (revision 1469199dc2e8b9552bed5ea0a5b27c1f0b742b32) 
1<?php
2/**
3 * Translation Plugin: Simple multilanguage plugin
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 */
8
9// must be run within Dokuwiki
10if(!defined('DOKU_INC')) die();
11
12
13class helper_plugin_translation extends DokuWiki_Plugin {
14    var $trans = array();
15    var $tns   = '';
16
17    /**
18     * Initialize
19     */
20    function helper_plugin_translation(){
21        require_once(DOKU_INC.'inc/pageutils.php');
22        require_once(DOKU_INC.'inc/utf8.php');
23
24        // load wanted translation into array
25        $this->trans = strtolower(str_replace(',',' ',$this->getConf('translations')));
26        $this->trans = array_unique(array_filter(explode(' ',$this->trans)));
27        sort($this->trans);
28        array_unshift($this->trans,'');
29
30        $this->tns = cleanID($this->getConf('translationns'));
31        if($this->tns) $this->tns .= ':';
32    }
33
34    /**
35     * return some info
36     */
37    function getInfo(){
38        return confToHash(dirname(__FILE__).'/info.txt');
39    }
40
41    /**
42     * Check if the given ID is a translation and return the language code.
43     */
44    function getLangPart($id){
45        $rx = '/^'.$this->tns.'('.join('|',$this->trans).'):/';
46        if(preg_match($rx,$id,$match)){
47            return $match[1];
48        }
49        return '';
50    }
51
52    /**
53     * Returns the browser language if it matches with one of the configured
54     * languages
55     */
56    function getBrowserLang(){
57        $rx = '/(^|,|:|;|-)('.join('|',$this->trans).')($|,|:|;|-)/i';
58        if(preg_match($rx,$_SERVER['HTTP_ACCEPT_LANGUAGE'],$match)){
59            return strtolower($match[2]);
60        }
61        return false;
62    }
63
64
65    /**
66     * Returns the ID and name to the wanted translation, empty $lng is default lang
67     */
68    function buildTransID($lng,$idpart){
69        global $conf;
70        global $saved_conf;
71        if($lng){
72            $link = ':'.$this->tns.$lng.':'.$idpart;
73            $name = $lng;
74        }else{
75            $link = ':'.$this->tns.$idpart;
76            if(!$conf['lang_before_translation']){
77              $name = $conf['lang'];
78            } else {
79              $name = $conf['lang_before_translation'];
80            }
81        }
82        return array($link,$name);
83    }
84
85    /**
86     * Displays the available and configured translations. Needs to be placed in the template.
87     */
88    function showTranslations(){
89        global $ACT;
90        global $ID;
91        global $conf;
92        global $INFO;
93
94        if($ACT != 'show') return;
95        if($this->tns && strpos($ID,$this->tns) !== 0) return;
96        $skiptrans = trim($this->getConf('skiptrans'));
97        if($skiptrans &&  preg_match('/'.$skiptrans.'/ui',':'.$ID)) return;
98        $meta = p_get_metadata($ID);
99        if($meta['plugin']['translation']['notrans']) return;
100
101        $rx = '/^'.$this->tns.'(('.join('|',$this->trans).'):)?/';
102        $idpart = preg_replace($rx,'',$ID);
103
104        $out  = '<div class="plugin_translation">';
105        $out .= '<span>'.$this->getLang('translations');
106        if($this->getConf('about')){
107            $out .= '<sup>'.html_wikilink($this->getConf('about'),'?').'</sup>';
108        }
109        $out .= ':</span> ';
110
111        if($this->getConf('dropdown')){ // use dropdown
112            if($INFO['exists']){
113                $class = 'wikilink1';
114            }else{
115                $class = 'wikilink2';
116            }
117            $out .= '<form action="'.wl().'" id="translation__dropdown">';
118            $out .= '<select name="id" class="'.$class.'">';
119            foreach($this->trans as $t){
120                list($link,$name) = $this->buildTransID($t,$idpart);
121                $link = cleanID($link);
122                if($ID == $link){
123                    $sel = ' selected="selected"';
124                }else{
125                    $sel = '';
126                }
127                if(page_exists($link,'',false)){
128                    $class = 'wikilink1';
129                }else{
130                    $class = 'wikilink2';
131                }
132                $out .= '<option value="'.$link.'"'.$sel.' class="'.$class.'">'.hsc($name).'</option>';
133            }
134            $out .= '</select>';
135            $out .= '<input name="go" type="submit" value="&rarr;" />';
136            $out .= '</form>';
137        }else{ // use list
138            $out .= '<ul>';
139            foreach($this->trans as $t){
140                list($link,$name) = $this->buildTransID($t,$idpart);
141                $out .= '  <li><div class="li">'.html_wikilink($link,$name).'</div></li>';
142            }
143            $out .= '</ul>';
144        }
145
146        $out .= '</div>';
147
148
149        return $out;
150    }
151
152
153}
154