xref: /plugin/dw2pdf/renderer.php (revision 9eb4c81f1dcbe69e7750e459da9574afc1351341) 
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    // FIXME override any methods of Doku_Renderer_xhtml here
27
28
29    /**
30     * Simplified header printing with PDF bookmarks
31     */
32    function header($text, $level, $pos) {
33        if(!$text) return; //skip empty headlines
34
35        // add PDF bookmark
36        $bmlevel = $this->getConf('maxbookmarks');
37        if($bmlevel && $bmlevel >= $level){
38            $this->doc .= '<bookmark content="'.$this->_xmlEntities($text).'" level="'.($level-1).'" />';
39        }
40
41        // print header
42        $this->doc .= DOKU_LF."<h$level>";
43        $this->doc .= $this->_xmlEntities($text);
44        $this->doc .= "</h$level>".DOKU_LF;
45    }
46
47    /**
48     * Wrap centered media in a div to center it
49     */
50    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
51                      $height=NULL, $cache=NULL, $render = true) {
52
53        $out = '';
54        if($align == 'center'){
55            $out .= '<div align="center" style="text-align: center">';
56        }
57
58        $out .= parent::_media ($src, $title, $align, $width, $height, $cache, $render);
59
60        if($align == 'center'){
61            $out .= '</div>';
62        }
63
64        return $out;
65    }
66
67    /**
68     * hover info makes no sense in PDFs, so drop acronyms
69     */
70    function acronym($acronym) {
71        $this->doc .= $this->_xmlEntities($acronym);
72    }
73
74
75    /**
76     * reformat links if needed
77     */
78    function _formatLink($link){
79        // prefix interwiki links with interwiki icon
80        if($link['name'][0] != '<' && preg_match('/\binterwiki iw_(.\w+)\b/',$link['class'],$m)){
81            if(file_exists(DOKU_INC.'lib/images/interwiki/'.$m[1].'.png')){
82                $img = DOKU_BASE.'lib/images/interwiki/'.$m[1].'.png';
83            }elseif(file_exists(DOKU_INC.'lib/images/interwiki/'.$m[1].'.gif')){
84                $img = DOKU_BASE.'lib/images/interwiki/'.$m[1].'.gif';
85            }else{
86                $img = DOKU_BASE.'lib/images/interwiki.png';
87            }
88
89            $link['name'] = '<img src="'.$img.'" width="16" height="16" style="vertical-align: center" />'.$link['name'];
90        }
91        return parent::_formatLink($link);
92    }
93}
94
95