1ee19bac3SLuigi Micco<?php 2ee19bac3SLuigi Micco /** 3ee19bac3SLuigi Micco * dw2Pdf Plugin: Conversion from dokuwiki content to pdf. 4ee19bac3SLuigi Micco * 5ee19bac3SLuigi Micco * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 6ee19bac3SLuigi Micco * @author Luigi Micco <l.micco@tiscali.it> 75db42babSAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org> 8ee19bac3SLuigi Micco */ 9ee19bac3SLuigi Micco 10ee19bac3SLuigi Micco// must be run within Dokuwiki 11ee19bac3SLuigi Miccoif (!defined('DOKU_INC')) die(); 12ee19bac3SLuigi Miccoif (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/'); 13ee19bac3SLuigi Micco 141ef68647SAndreas Gohrclass action_plugin_dw2pdf extends DokuWiki_Action_Plugin { 15ee19bac3SLuigi Micco 161c14c879SAndreas Gohr private $tpl; 171c14c879SAndreas Gohr 181c14c879SAndreas Gohr /** 191c14c879SAndreas Gohr * Constructor. Sets the correct template 201c14c879SAndreas Gohr */ 211c14c879SAndreas Gohr function __construct(){ 221c14c879SAndreas Gohr $tpl; 231c14c879SAndreas Gohr if(isset($_REQUEST['tpl'])){ 241c14c879SAndreas Gohr $tpl = trim(preg_replace('/[^A-Za-z0-9_\-]+/','',$_REQUEST['tpl'])); 251c14c879SAndreas Gohr } 261c14c879SAndreas Gohr if(!$tpl) $tpl = $this->getConf('template'); 271c14c879SAndreas Gohr if(!$tpl) $tpl = 'default'; 281c14c879SAndreas Gohr if(!is_dir(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl)) $tpl = 'default'; 291c14c879SAndreas Gohr 301c14c879SAndreas Gohr $this->tpl = $tpl; 311c14c879SAndreas Gohr } 321c14c879SAndreas Gohr 33ee19bac3SLuigi Micco /** 34ee19bac3SLuigi Micco * Register the events 35ee19bac3SLuigi Micco */ 361ef68647SAndreas Gohr function register(&$controller) { 37ee19bac3SLuigi Micco $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'convert',array()); 38ee19bac3SLuigi Micco } 39ee19bac3SLuigi Micco 401c14c879SAndreas Gohr /** 411c14c879SAndreas Gohr * Do the HTML to PDF conversion work 421c14c879SAndreas Gohr */ 431ef68647SAndreas Gohr function convert(&$event, $param) { 44ee19bac3SLuigi Micco global $ACT; 45ee19bac3SLuigi Micco global $REV; 46ee19bac3SLuigi Micco global $ID; 47ee19bac3SLuigi Micco global $conf; 48ee19bac3SLuigi Micco 491ef68647SAndreas Gohr // our event? 501ef68647SAndreas Gohr if (( $ACT != 'export_pdfbook' ) && ( $ACT != 'export_pdf' )) return false; 51ee19bac3SLuigi Micco 521ef68647SAndreas Gohr // check user's rights 531ef68647SAndreas Gohr if ( auth_quickaclcheck($ID) < AUTH_READ ) return false; 541ef68647SAndreas Gohr 551ef68647SAndreas Gohr // it's ours, no one else's 56ee19bac3SLuigi Micco $event->preventDefault(); 57ee19bac3SLuigi Micco 5887c86ddaSAndreas Gohr // one or multiple pages? 5987c86ddaSAndreas Gohr $list = array(); 6087c86ddaSAndreas Gohr if ( $ACT == 'export_pdf' ) { 6187c86ddaSAndreas Gohr $list[0] = $ID; 6287c86ddaSAndreas Gohr } elseif (isset($_COOKIE['list-pagelist'])) { 6387c86ddaSAndreas Gohr $list = explode("|", $_COOKIE['list-pagelist']); 6487c86ddaSAndreas Gohr } 6587c86ddaSAndreas Gohr 6687c86ddaSAndreas Gohr // prepare cache 671c14c879SAndreas Gohr $cache = new cache(join(',',$list).$REV.$this->tpl,'.dw2.pdf'); 6887c86ddaSAndreas Gohr $depends['files'] = array_map('wikiFN',$list); 6987c86ddaSAndreas Gohr $depends['files'][] = __FILE__; 7087c86ddaSAndreas Gohr $depends['files'][] = dirname(__FILE__).'/renderer.php'; 7187c86ddaSAndreas Gohr $depends['files'][] = dirname(__FILE__).'/mpdf/mpdf.php'; 7287c86ddaSAndreas Gohr 73d01d2a42SAndreas Gohr // hard work only when no cache available 7487c86ddaSAndreas Gohr if(!$this->getConf('usecache') || !$cache->useCache($depends)){ 751ef68647SAndreas Gohr // initialize PDF library 76cde5a1b3SAndreas Gohr require_once(dirname(__FILE__)."/DokuPDF.class.php"); 771ef68647SAndreas Gohr $mpdf = new DokuPDF(); 78ee19bac3SLuigi Micco 79d62df65bSAndreas Gohr // let mpdf fix local links 80d62df65bSAndreas Gohr $self = parse_url(DOKU_URL); 81d62df65bSAndreas Gohr $url = $self['scheme'].'://'.$self['host']; 82d62df65bSAndreas Gohr if($self['port']) $url .= ':'.$port; 83d62df65bSAndreas Gohr $mpdf->setBasePath($url); 84d62df65bSAndreas Gohr 8556d13144SAndreas Gohr // Set the title 8656d13144SAndreas Gohr $title = $_GET['pdfbook_title']; 8756d13144SAndreas Gohr if(!$title) $title = p_get_first_heading($ID); 8856d13144SAndreas Gohr $mpdf->SetTitle($title); 8956d13144SAndreas Gohr 901ef68647SAndreas Gohr // some default settings 91daa70883SAndreas Gohr $mpdf->mirrorMargins = 1; 92daa70883SAndreas Gohr $mpdf->useOddEven = 1; 93daa70883SAndreas Gohr $mpdf->setAutoTopMargin = 'stretch'; 94daa70883SAndreas Gohr $mpdf->setAutoBottomMargin = 'stretch'; 952eedf77dSAndreas Gohr 9656d13144SAndreas Gohr // load the template 971c14c879SAndreas Gohr $template = $this->load_template($title); 98ee19bac3SLuigi Micco 991ef68647SAndreas Gohr // prepare HTML header styles 100ee19bac3SLuigi Micco $html = '<html><head>'; 1011ef68647SAndreas Gohr $html .= '<style>'; 1021c14c879SAndreas Gohr $html .= $this->load_css(); 103daa70883SAndreas Gohr $html .= '@page { size:auto; '.$template['page'].'}'; 1042eedf77dSAndreas Gohr $html .= '@page :first {'.$template['first'].'}'; 1052eedf77dSAndreas Gohr $html .= $template['css']; 1061ef68647SAndreas Gohr $html .= '</style>'; 1071ef68647SAndreas Gohr $html .= '</head><body>'; 1082eedf77dSAndreas Gohr $html .= $template['html']; 1091c14c879SAndreas Gohr $html .= '<div class="dokuwiki">'; 1102eedf77dSAndreas Gohr 1111ef68647SAndreas Gohr // loop over all pages 1121ef68647SAndreas Gohr $cnt = count($list); 1131ef68647SAndreas Gohr for($n=0; $n<$cnt; $n++){ 114ee19bac3SLuigi Micco $page = $list[$n]; 115ee19bac3SLuigi Micco 116a876b55bSAndreas Gohr $html .= p_cached_output(wikiFN($page,$REV),'dw2pdf',$page); 1172eedf77dSAndreas Gohr $html .= $template['cite']; 1181ef68647SAndreas Gohr if ($n < ($cnt - 1)){ 1191ef68647SAndreas Gohr $html .= '<pagebreak />'; 1201ef68647SAndreas Gohr } 121ee19bac3SLuigi Micco } 122ee19bac3SLuigi Micco 1231c14c879SAndreas Gohr $html .= '</div>'; 124ee19bac3SLuigi Micco $mpdf->WriteHTML($html); 125a06728a6SAndreas Gohr 12687c86ddaSAndreas Gohr // write to cache file 12787c86ddaSAndreas Gohr $mpdf->Output($cache->cache, 'F'); 12887c86ddaSAndreas Gohr } 12987c86ddaSAndreas Gohr 13087c86ddaSAndreas Gohr // deliver the file 13187c86ddaSAndreas Gohr header('Content-Type: application/pdf'); 132b853b723SAndreas Gohr header('Cache-Control: must-revalidate, no-transform, post-check=0, pre-check=0'); 13387c86ddaSAndreas Gohr header('Pragma: public'); 13487c86ddaSAndreas Gohr http_conditionalRequest(filemtime($cache->cache)); 13587c86ddaSAndreas Gohr 13687c86ddaSAndreas Gohr if($this->getConf('output') == 'file'){ 13756d13144SAndreas Gohr header('Content-Disposition: attachment; filename="'.rawurlencode($title).'.pdf";'); 13887c86ddaSAndreas Gohr }else{ 13956d13144SAndreas Gohr header('Content-Disposition: inline; filename="'.rawurlencode($title).'.pdf";'); 14087c86ddaSAndreas Gohr } 141ee19bac3SLuigi Micco 14287c86ddaSAndreas Gohr if (http_sendfile($cache->cache)) exit; 14387c86ddaSAndreas Gohr 14487c86ddaSAndreas Gohr $fp = @fopen($cache->cache,"rb"); 14587c86ddaSAndreas Gohr if($fp){ 14687c86ddaSAndreas Gohr http_rangeRequest($fp,filesize($cache->cache),'application/pdf'); 14787c86ddaSAndreas Gohr }else{ 14887c86ddaSAndreas Gohr header("HTTP/1.0 500 Internal Server Error"); 14987c86ddaSAndreas Gohr print "Could not read file - bad permissions?"; 15087c86ddaSAndreas Gohr } 1511ef68647SAndreas Gohr exit(); 1521ef68647SAndreas Gohr } 1531ef68647SAndreas Gohr 154d01d2a42SAndreas Gohr 155d01d2a42SAndreas Gohr /** 1562eedf77dSAndreas Gohr * Load the various template files and prepare the HTML/CSS for insertion 1571ef68647SAndreas Gohr */ 1581c14c879SAndreas Gohr protected function load_template($title){ 1591ef68647SAndreas Gohr global $ID; 1601ef68647SAndreas Gohr global $REV; 1611ef68647SAndreas Gohr global $conf; 1621c14c879SAndreas Gohr $tpl = $this->tpl; 1631ef68647SAndreas Gohr 1642eedf77dSAndreas Gohr // this is what we'll return 1652eedf77dSAndreas Gohr $output = array( 1662eedf77dSAndreas Gohr 'html' => '', 1672eedf77dSAndreas Gohr 'css' => '', 1682eedf77dSAndreas Gohr 'page' => '', 1692eedf77dSAndreas Gohr 'first' => '', 1702eedf77dSAndreas Gohr 'cite' => '', 1712eedf77dSAndreas Gohr ); 1722eedf77dSAndreas Gohr 1732eedf77dSAndreas Gohr // prepare header/footer elements 1742eedf77dSAndreas Gohr $html = ''; 1752eedf77dSAndreas Gohr foreach(array('header','footer') as $t){ 1769e6e41f4SAndreas Gohr foreach(array('','_odd','_even','_first') as $h){ 1772eedf77dSAndreas Gohr if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/'.$t.$h.'.html')){ 1782eedf77dSAndreas Gohr $html .= '<htmlpage'.$t.' name="'.$t.$h.'">'.DOKU_LF; 1792eedf77dSAndreas Gohr $html .= file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/'.$t.$h.'.html').DOKU_LF; 1802eedf77dSAndreas Gohr $html .= '</htmlpage'.$t.'>'.DOKU_LF; 1812eedf77dSAndreas Gohr 1822eedf77dSAndreas Gohr // register the needed pseudo CSS 1839e6e41f4SAndreas Gohr if($h == '_first'){ 1842eedf77dSAndreas Gohr $output['first'] .= $t.': html_'.$t.$h.';'.DOKU_LF; 1852eedf77dSAndreas Gohr }elseif($h == '_even'){ 1862eedf77dSAndreas Gohr $output['page'] .= 'even-'.$t.'-name: html_'.$t.$h.';'.DOKU_LF; 187daa70883SAndreas Gohr }elseif($h == '_odd'){ 1882eedf77dSAndreas Gohr $output['page'] .= 'odd-'.$t.'-name: html_'.$t.$h.';'.DOKU_LF; 189daa70883SAndreas Gohr }else{ 190daa70883SAndreas Gohr $output['page'] .= $t.': html_'.$t.$h.';'.DOKU_LF; 1912eedf77dSAndreas Gohr } 1922eedf77dSAndreas Gohr } 1932eedf77dSAndreas Gohr } 1942eedf77dSAndreas Gohr } 1952eedf77dSAndreas Gohr 1961ef68647SAndreas Gohr // prepare replacements 1971ef68647SAndreas Gohr $replace = array( 1981ef68647SAndreas Gohr '@ID@' => $ID, 1991ef68647SAndreas Gohr '@PAGE@' => '{PAGENO}', 2001ef68647SAndreas Gohr '@PAGES@' => '{nb}', 2012eedf77dSAndreas Gohr '@TITLE@' => hsc($title), 2021ef68647SAndreas Gohr '@WIKI@' => $conf['title'], 2031ef68647SAndreas Gohr '@WIKIURL@' => DOKU_URL, 2043ae7a8dfSAndreas Gohr '@UPDATE@' => dformat(filemtime(wikiFN($ID,$REV))), 2053ae7a8dfSAndreas Gohr '@PAGEURL@' => wl($ID,($REV)?array('rev'=>$REV):false, true, "&"), 2061ef68647SAndreas Gohr '@DATE@' => dformat(time()), 2075d6fbaeaSAndreas Gohr '@BASE@' => DOKU_BASE, 2085d6fbaeaSAndreas Gohr '@TPLBASE@' => DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/', 2091ef68647SAndreas Gohr ); 2101ef68647SAndreas Gohr 2112eedf77dSAndreas Gohr // set HTML element 2122eedf77dSAndreas Gohr $output['html'] = str_replace(array_keys($replace), array_values($replace), $html); 2131ef68647SAndreas Gohr 2142eedf77dSAndreas Gohr // citation box 2152eedf77dSAndreas Gohr if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/citation.html')){ 2162eedf77dSAndreas Gohr $output['cite'] = file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/citation.html'); 2172eedf77dSAndreas Gohr $output['cite'] = str_replace(array_keys($replace), array_values($replace), $output['cite']); 2182eedf77dSAndreas Gohr } 2191ef68647SAndreas Gohr 2202eedf77dSAndreas Gohr // set custom styles 2212eedf77dSAndreas Gohr if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/style.css')){ 2222eedf77dSAndreas Gohr $output['css'] = file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/style.css'); 2232eedf77dSAndreas Gohr } 2242eedf77dSAndreas Gohr 2252eedf77dSAndreas Gohr return $output; 2261ef68647SAndreas Gohr } 2271ef68647SAndreas Gohr 2281ef68647SAndreas Gohr /** 2291c14c879SAndreas Gohr * Load all the style sheets and apply the needed replacements 2301ef68647SAndreas Gohr */ 2311c14c879SAndreas Gohr protected function load_css(){ 2321c14c879SAndreas Gohr //reusue the CSS dispatcher functions without triggering the main function 2331c14c879SAndreas Gohr define('SIMPLE_TEST',1); 2341c14c879SAndreas Gohr require_once(DOKU_INC.'lib/exe/css.php'); 235ee19bac3SLuigi Micco 2361c14c879SAndreas Gohr // prepare CSS files 2371c14c879SAndreas Gohr $files = array_merge( 2381c14c879SAndreas Gohr array( 2391c14c879SAndreas Gohr DOKU_INC.'lib/styles/screen.css' 2401c14c879SAndreas Gohr => DOKU_BASE.'lib/styles/', 2411c14c879SAndreas Gohr DOKU_INC.'lib/styles/print.css' 2421c14c879SAndreas Gohr => DOKU_BASE.'lib/styles/', 2431c14c879SAndreas Gohr ), 2441c14c879SAndreas Gohr css_pluginstyles('all'), 24558e6409eSAndreas Gohr $this->css_pluginPDFstyles(), 2461c14c879SAndreas Gohr array( 2471c14c879SAndreas Gohr DOKU_PLUGIN.'dw2pdf/conf/style.css' 2481c14c879SAndreas Gohr => DOKU_BASE.'lib/plugins/dw2pdf/conf/', 2491c14c879SAndreas Gohr DOKU_PLUGIN.'dw2pdf/tpl/'.$this->tpl.'/style.css' 2501c14c879SAndreas Gohr => DOKU_BASE.'lib/plugins/dw2pdf/tpl/'.$this->tpl.'/', 2511c14c879SAndreas Gohr DOKU_PLUGIN.'dw2pdf/conf/style.local.css' 2521c14c879SAndreas Gohr => DOKU_BASE.'lib/plugins/dw2pdf/conf/', 2531c14c879SAndreas Gohr ) 2541c14c879SAndreas Gohr ); 2551c14c879SAndreas Gohr $css = ''; 2561c14c879SAndreas Gohr foreach($files as $file => $location){ 2571c14c879SAndreas Gohr $css .= css_loadfile($file, $location); 2581ef68647SAndreas Gohr } 2591ef68647SAndreas Gohr 2601c14c879SAndreas Gohr // apply pattern replacements 2611c14c879SAndreas Gohr $css = css_applystyle($css,DOKU_INC.'lib/tpl/'.$conf['template'].'/'); 2621ef68647SAndreas Gohr 2631c14c879SAndreas Gohr return $css; 264ee19bac3SLuigi Micco } 2651c14c879SAndreas Gohr 26658e6409eSAndreas Gohr 26758e6409eSAndreas Gohr /** 26858e6409eSAndreas Gohr * Returns a list of possible Plugin PDF Styles 26958e6409eSAndreas Gohr * 27058e6409eSAndreas Gohr * Checks for a pdf.css, falls back to print.css 27158e6409eSAndreas Gohr * 27258e6409eSAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org> 27358e6409eSAndreas Gohr */ 27458e6409eSAndreas Gohr function css_pluginPDFstyles(){ 27558e6409eSAndreas Gohr global $lang; 27658e6409eSAndreas Gohr $list = array(); 27758e6409eSAndreas Gohr $plugins = plugin_list(); 278*f54b51f7SAndreas Gohr 279*f54b51f7SAndreas Gohr $usestyle = explode(',',$this->getConf('usestyles')); 28058e6409eSAndreas Gohr foreach ($plugins as $p){ 281*f54b51f7SAndreas Gohr if(in_array($p,$usestyle)){ 282*f54b51f7SAndreas Gohr $list[DOKU_PLUGIN."$p/screen.css"] = DOKU_BASE."lib/plugins/$p/"; 283*f54b51f7SAndreas Gohr $list[DOKU_PLUGIN."$p/style.css"] = DOKU_BASE."lib/plugins/$p/"; 284*f54b51f7SAndreas Gohr } 285*f54b51f7SAndreas Gohr 28658e6409eSAndreas Gohr if(file_exists(DOKU_PLUGIN."$p/pdf.css")){ 28758e6409eSAndreas Gohr $list[DOKU_PLUGIN."$p/pdf.css"] = DOKU_BASE."lib/plugins/$p/"; 28858e6409eSAndreas Gohr }else{ 28958e6409eSAndreas Gohr $list[DOKU_PLUGIN."$p/print.css"] = DOKU_BASE."lib/plugins/$p/"; 29058e6409eSAndreas Gohr } 29158e6409eSAndreas Gohr } 29258e6409eSAndreas Gohr return $list; 29358e6409eSAndreas Gohr } 29458e6409eSAndreas Gohr 295ee19bac3SLuigi Micco} 296