1<?php 2/** 3 * DokuWiki Plugin mediathumbnails (Syntax Component) 4 * 5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html 6 * @author Thomas Schäfer <thomas.schaefer@itschert.net> 7 */ 8 9// must be run within Dokuwiki 10if (!defined('DOKU_INC')) { 11 die(); 12} 13 14class syntax_plugin_mediathumbnails extends DokuWiki_Syntax_Plugin { 15 16 /** 17 * @return string Syntax mode type 18 */ 19 public function getType() 20 { 21 return 'substition'; 22 } 23 24 /** 25 * @return string Paragraph type 26 */ 27 public function getPType() 28 { 29 return 'normal'; 30 } 31 32 /** 33 * @return int Sort order - Low numbers go before high numbers 34 */ 35 public function getSort() 36 { 37 return 1; 38 } 39 40 /** 41 * Connect lookup pattern to lexer. 42 * 43 * @param string $mode Parser mode 44 */ 45 public function connectTo($mode) 46 { 47 $this->Lexer->addSpecialPattern("{{thumbnail>.+?}}", $mode, substr(get_class($this), 7)); 48 } 49 50 /** 51 * Handle matches of the mediathumbnails syntax 52 * 53 * @param string $match The match of the syntax 54 * @param int $state The state of the handler 55 * @param int $pos The position in the document 56 * @param Doku_Handler $handler The handler 57 * 58 * @return array Data for the renderer 59 */ 60 public function handle($match, $state, $pos, Doku_Handler $handler) 61 { 62 $thumbnailpath = "Thumbnails/thumbnail.png"; 63 64 $mediapath_file = substr($match, 12, -2); //strip markup 65 $filepath = mediaFN($mediapath_file); 66 //$filepath = str_replace('\\', DIRECTORY_SEPARATOR, $filepath); 67 68 $zip = new ZipArchive; 69 70 if ($zip->open($filepath) !== TRUE) { 71 // odt file does not exist 72 return array(); 73 } 74 75 if ($zip->locateName($thumbnailpath) !== false) { 76 // thumbnail file exists 77 $fp = $zip->getStream($thumbnailpath); 78 if(!$fp) { 79 return array(); 80 } 81 82 $thumbnaildata = ''; 83 while (!feof($fp)) { 84 $thumbnaildata .= fread($fp, 8192); 85 } 86 87 fclose($fp); 88 89 // write thumbnail file to media folder 90 $filedir = dirname($filepath); 91 $filename = basename($filepath); 92 $extended_filename = substr($filename,0,strrpos($filename,'.')).".thumbnail".strrchr($thumbnailpath,'.'); 93 94 $filepath_thumbnail = $filedir . DIRECTORY_SEPARATOR . $extended_filename; 95 file_put_contents($filepath_thumbnail, $thumbnaildata); 96 97 // give media path to renderer 98 $mediapath_thumbnail = substr($mediapath_file,0,strrpos($mediapath_file,':')) . ":" . $extended_filename; 99 return array($mediapath_file, $mediapath_thumbnail); 100 } 101 102 return array(); 103 } 104 105 /** 106 * Render xhtml output or metadata 107 * 108 * @param string $mode Renderer mode (supported modes: xhtml) 109 * @param Doku_Renderer $renderer The renderer 110 * @param array $data The data from the handler() function 111 * 112 * @return bool If rendering was successful. 113 */ 114 public function render($mode, Doku_Renderer $renderer, $data) 115 { 116 $mediapath_file = $data[0]; 117 $mediapath_thumbnail = $data[1]; 118 119 if ($mode == 'xhtml') { 120 121 $src = ml($mediapath_thumbnail,array()); 122 123 $i = array(); 124 $i['width'] = $this->getConf('thumb_width');//'100px'; 125 //$i['height'] = ''; 126 $i['title'] = $mediapath_file; 127 $i['class'] = 'tn'; 128 $iatt = buildAttributes($i); 129 130 $renderer->doc .= '<a href="/lib/exe/fetch.php?media=' . $mediapath_file . '">' . 131 '<img src="'.$src.'" '.$iatt.' />' . 132 '</a>'; 133 return true; 134 135 } elseif ($mode == 'odt') { 136 137 // TODO: yet to implement 138 $renderer->cdata(""); 139 return true; 140 141 } 142 143 return false; 144 } 145} 146 147
