xref: /plugin/dw2pdf/renderer.php (revision ccdd31264102efb6cb808223aafbecdbea9f92a4) 
1<?php
2/**
3 * DokuWiki Plugin dw2pdf (Renderer Component)
4 *
5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
6 * @author  Andreas Gohr <gohr@cosmocode.de>
7 */
8
9// must be run within Dokuwiki
10if (!defined('DOKU_INC')) die();
11
12if (!defined('DOKU_LF')) define('DOKU_LF', "\n");
13if (!defined('DOKU_TAB')) define('DOKU_TAB', "\t");
14require_once DOKU_INC.'inc/parser/xhtml.php';
15
16class renderer_plugin_dw2pdf extends Doku_Renderer_xhtml {
17
18    /**
19     * Make available as XHTML replacement renderer
20     */
21    public function canRender($format){
22        if($format == 'xhtml') return true;
23        return false;
24    }
25
26    /**
27     * Simplified header printing with PDF bookmarks
28     */
29    function header($text, $level, $pos) {
30        if(!$text) return; //skip empty headlines
31
32        // add PDF bookmark
33        $bmlevel = $this->getConf('maxbookmarks');
34        if($bmlevel && $bmlevel >= $level){
35            $this->doc .= '<bookmark content="'.$this->_xmlEntities($text).'" level="'.($level-1).'" />';
36        }
37
38        // print header
39        $this->doc .= DOKU_LF."<h$level>";
40        $this->doc .= $this->_xmlEntities($text);
41        $this->doc .= "</h$level>".DOKU_LF;
42    }
43
44    /**
45     * Wrap centered media in a div to center it
46     */
47    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
48                      $height=NULL, $cache=NULL, $render = true) {
49
50        $out = '';
51        if($align == 'center'){
52            $out .= '<div align="center" style="text-align: center">';
53        }
54
55        $out .= parent::_media ($src, $title, $align, $width, $height, $cache, $render);
56
57        if($align == 'center'){
58            $out .= '</div>';
59        }
60
61        return $out;
62    }
63
64    /**
65     * hover info makes no sense in PDFs, so drop acronyms
66     */
67    function acronym($acronym) {
68        $this->doc .= $this->_xmlEntities($acronym);
69    }
70
71
72    /**
73     * reformat links if needed
74     */
75    function _formatLink($link){
76        // prefix interwiki links with interwiki icon
77        if($link['name'][0] != '<' && preg_match('/\binterwiki iw_(.\w+)\b/',$link['class'],$m)){
78            if(file_exists(DOKU_INC.'lib/images/interwiki/'.$m[1].'.png')){
79                $img = DOKU_BASE.'lib/images/interwiki/'.$m[1].'.png';
80            }elseif(file_exists(DOKU_INC.'lib/images/interwiki/'.$m[1].'.gif')){
81                $img = DOKU_BASE.'lib/images/interwiki/'.$m[1].'.gif';
82            }else{
83                $img = DOKU_BASE.'lib/images/interwiki.png';
84            }
85
86            $link['name'] = '<img src="'.$img.'" width="16" height="16" style="vertical-align: center" />'.$link['name'];
87        }
88        return parent::_formatLink($link);
89    }
90
91    /**
92     * no obfuscation for email addresses
93     */
94    function emaillink($address, $name = NULL) {
95        global $conf;
96        $old = $conf['mailguard'];
97        $conf['mailguard'] = 'none';
98        parent::emaillink($address, $name);
99        $conf['mailguard'] = $old;
100    }
101
102}
103
104