1<?php 2/** 3 * dw2Pdf Plugin: Conversion from dokuwiki content to pdf. 4 * 5 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 6 * @author Luigi Micco <l.micco@tiscali.it> 7 * @author Andreas Gohr <andi@splitbrain.org> 8 */ 9 10// must be run within Dokuwiki 11if(!defined('DOKU_INC')) die(); 12 13/** 14 * Class action_plugin_dw2pdf 15 * 16 * Export hmtl content to pdf, for different url parameter configurations 17 * DokuPDF which extends mPDF is used for generating the pdf from html. 18 */ 19class action_plugin_dw2pdf extends DokuWiki_Action_Plugin { 20 /** 21 * Settings for current export, collected from url param, plugin config, global config 22 * 23 * @var array 24 */ 25 protected $exportConfig = null; 26 protected $tpl; 27 protected $title; 28 protected $list = array(); 29 30 /** 31 * Constructor. Sets the correct template 32 * 33 * @param string $title 34 */ 35 public function __construct($title=null) { 36 $this->tpl = $this->getExportConfig('template'); 37 $this->title = $title ? $title : ''; 38 } 39 40 /** 41 * Register the events 42 * 43 * @param Doku_Event_Handler $controller 44 */ 45 public function register(Doku_Event_Handler $controller) { 46 $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'convert', array()); 47 $controller->register_hook('TEMPLATE_PAGETOOLS_DISPLAY', 'BEFORE', $this, 'addbutton', array()); 48 } 49 50 /** 51 * Do the HTML to PDF conversion work 52 * 53 * @param Doku_Event $event 54 * @return bool 55 */ 56 public function convert(Doku_Event $event) { 57 global $ACT; 58 global $ID; 59 60 // our event? 61 if(($ACT != 'export_pdfbook') && ($ACT != 'export_pdf') && ($ACT != 'export_pdfns')) return false; 62 63 // check user's rights 64 if(auth_quickaclcheck($ID) < AUTH_READ) return false; 65 66 if($data = $this->collectExportPages($event)) { 67 list($this->title, $this->list) = $data; 68 } else { 69 return false; 70 } 71 72 // it's ours, no one else's 73 $event->preventDefault(); 74 75 // prepare cache and its dependencies 76 $depends = array(); 77 $cache = $this->prepareCache($depends); 78 79 // hard work only when no cache available or needed for debugging 80 if(!$this->getConf('usecache') || $this->getExportConfig('isDebug') || !$cache->useCache($depends)) { 81 // generating the pdf may take a long time for larger wikis / namespaces with many pages 82 set_time_limit(0); 83 84 $this->generatePDF($cache->cache); 85 } 86 87 // deliver the file 88 $this->sendPDFFile($cache->cache); 89 return true; 90 } 91 92 93 /** 94 * Obtain list of pages and title, based on url parameters 95 * 96 * @param Doku_Event $event 97 * @return string|bool 98 */ 99 protected function collectExportPages(Doku_Event $event) { 100 global $ACT; 101 global $ID; 102 global $INPUT; 103 global $conf; 104 105 // list of one or multiple pages 106 $list = array(); 107 108 if($ACT == 'export_pdf') { 109 $list[0] = $ID; 110 $this->title = $INPUT->str('pdftitle'); //DEPRECATED 111 $this->title = $INPUT->str('book_title', $this->title, true); 112 if(empty($this->title)) { 113 $this->title = p_get_first_heading($ID); 114 } 115 116 } elseif($ACT == 'export_pdfns') { 117 //check input for title and ns 118 if(!$this->title = $INPUT->str('book_title')) { 119 $this->showPageWithErrorMsg($event, 'needtitle'); 120 return false; 121 } 122 $pdfnamespace = cleanID($INPUT->str('book_ns')); 123 if(!@is_dir(dirname(wikiFN($pdfnamespace . ':dummy')))) { 124 $this->showPageWithErrorMsg($event, 'needns'); 125 return false; 126 } 127 128 //sort order 129 $order = $INPUT->str('book_order', 'natural', true); 130 $sortoptions = array('pagename', 'date', 'natural'); 131 if(!in_array($order, $sortoptions)) { 132 $order = 'natural'; 133 } 134 135 //search depth 136 $depth = $INPUT->int('book_nsdepth', 0); 137 if($depth < 0) { 138 $depth = 0; 139 } 140 141 //page search 142 $result = array(); 143 $opts = array('depth' => $depth); //recursive all levels 144 $dir = utf8_encodeFN(str_replace(':', '/', $pdfnamespace)); 145 search($result, $conf['datadir'], 'search_allpages', $opts, $dir); 146 147 //sorting 148 if(count($result) > 0) { 149 if($order == 'date') { 150 usort($result, array($this, '_datesort')); 151 } elseif($order == 'pagename') { 152 usort($result, array($this, '_pagenamesort')); 153 } 154 } 155 156 foreach($result as $item) { 157 $list[] = $item['id']; 158 } 159 160 if ($pdfnamespace !== '') { 161 if (!in_array($pdfnamespace . ':' . $conf['start'], $list, true)) { 162 if (file_exists(wikiFN(rtrim($pdfnamespace,':')))) { 163 array_unshift($list,rtrim($pdfnamespace,':')); 164 } 165 } 166 } 167 168 } elseif(isset($_COOKIE['list-pagelist']) && !empty($_COOKIE['list-pagelist'])) { 169 /** @deprecated April 2016 replaced by localStorage version of Bookcreator*/ 170 //is in Bookmanager of bookcreator plugin a title given? 171 $this->title = $INPUT->str('pdfbook_title'); //DEPRECATED 172 $this->title = $INPUT->str('book_title', $this->title, true); 173 if(empty($this->title)) { 174 $this->showPageWithErrorMsg($event, 'needtitle'); 175 return false; 176 } else { 177 $list = explode("|", $_COOKIE['list-pagelist']); 178 } 179 180 } elseif($INPUT->has('selection')) { 181 //handle Bookcreator requests based at localStorage 182// if(!checkSecurityToken()) { 183// http_status(403); 184// print $this->getLang('empty'); 185// exit(); 186// } 187 188 $json = new JSON(JSON_LOOSE_TYPE); 189 $list = $json->decode($INPUT->post->str('selection', '', true)); 190 if(!is_array($list) || empty($list)) { 191 http_status(400); 192 print $this->getLang('empty'); 193 exit(); 194 } 195 196 $this->title = $INPUT->str('pdfbook_title'); //DEPRECATED 197 $this->title = $INPUT->str('book_title', $this->title, true); 198 if(empty($this->title)) { 199 http_status(400); 200 print $this->getLang('needtitle'); 201 exit(); 202 } 203 204 } else { 205 //show empty bookcreator message 206 $this->showPageWithErrorMsg($event, 'empty'); 207 return false; 208 } 209 210 $list = array_map('cleanID', $list); 211 212 $skippedpages = array(); 213 foreach($list as $index => $pageid) { 214 if(auth_quickaclcheck($pageid) < AUTH_READ) { 215 $skippedpages[] = $pageid; 216 unset($list[$index]); 217 } 218 } 219 $list = array_filter($list); //removes also pages mentioned '0' 220 221 //if selection contains forbidden pages throw (overridable) warning 222 if(!$INPUT->bool('book_skipforbiddenpages') && !empty($skippedpages)) { 223 $msg = hsc(join(', ', $skippedpages)); 224 if($INPUT->has('selection')) { 225 http_status(400); 226 print sprintf($this->getLang('forbidden'), $msg); 227 exit(); 228 } else { 229 $this->showPageWithErrorMsg($event, 'forbidden', $msg); 230 return false; 231 } 232 233 } 234 235 return array($this->title, $list); 236 } 237 238 /** 239 * Prepare cache 240 * 241 * @param array $depends (reference) array with dependencies 242 * @return cache 243 */ 244 protected function prepareCache(&$depends) { 245 global $REV; 246 247 $cachekey = join(',', $this->list) 248 . $REV 249 . $this->getExportConfig('template') 250 . $this->getExportConfig('pagesize') 251 . $this->getExportConfig('orientation') 252 . $this->getExportConfig('font-size') 253 . $this->getExportConfig('doublesided') 254 . ($this->getExportConfig('hasToC') ? join('-', $this->getExportConfig('levels')) : '0') 255 . $this->title; 256 $cache = new cache($cachekey, '.dw2.pdf'); 257 258 $dependencies = array(); 259 foreach($this->list as $pageid) { 260 $relations = p_get_metadata($pageid, 'relation'); 261 262 if(is_array($relations)) { 263 if(array_key_exists('media', $relations) && is_array($relations['media'])) { 264 foreach($relations['media'] as $mediaid => $exists) { 265 if($exists) { 266 $dependencies[] = mediaFN($mediaid); 267 } 268 } 269 } 270 271 if(array_key_exists('haspart', $relations) && is_array($relations['haspart'])) { 272 foreach($relations['haspart'] as $part_pageid => $exists) { 273 if($exists) { 274 $dependencies[] = wikiFN($part_pageid); 275 } 276 } 277 } 278 } 279 280 $dependencies[] = metaFN($pageid, '.meta'); 281 } 282 283 $depends['files'] = array_map('wikiFN', $this->list); 284 $depends['files'][] = __FILE__; 285 $depends['files'][] = dirname(__FILE__) . '/renderer.php'; 286 $depends['files'][] = dirname(__FILE__) . '/mpdf/mpdf.php'; 287 $depends['files'] = array_merge( 288 $depends['files'], 289 $dependencies, 290 getConfigFiles('main') 291 ); 292 return $cache; 293 } 294 295 /** 296 * Set error notification and reload page again 297 * 298 * @param Doku_Event $event 299 * @param string $msglangkey key of translation key 300 * @param string $replacement 301 */ 302 private function showPageWithErrorMsg(Doku_Event $event, $msglangkey, $replacement=null) { 303 if(empty($replacement)) { 304 $msg = $this->getLang($msglangkey); 305 } else { 306 $msg = sprintf($this->getLang($msglangkey), $replacement); 307 } 308 msg($msg, -1); 309 310 $event->data = 'show'; 311 $_SERVER['REQUEST_METHOD'] = 'POST'; //clears url 312 } 313 314 /** 315 * Build a pdf from the html 316 * 317 * @param string $cachefile 318 */ 319 protected function generatePDF($cachefile) { 320 global $ID; 321 global $REV; 322 global $INPUT; 323 324 //some shortcuts to export settings 325 $hasToC = $this->getExportConfig('hasToC'); 326 $levels = $this->getExportConfig('levels'); 327 $isDebug = $this->getExportConfig('isDebug'); 328 329 // initialize PDF library 330 require_once(dirname(__FILE__) . "/DokuPDF.class.php"); 331 332 $mpdf = new DokuPDF($this->getExportConfig('pagesize'), 333 $this->getExportConfig('orientation'), 334 $this->getExportConfig('font-size')); 335 336 // let mpdf fix local links 337 $self = parse_url(DOKU_URL); 338 $url = $self['scheme'] . '://' . $self['host']; 339 if($self['port']) { 340 $url .= ':' . $self['port']; 341 } 342 $mpdf->setBasePath($url); 343 344 // Set the title 345 $mpdf->SetTitle($this->title); 346 347 // some default document settings 348 //note: double-sided document, starts at an odd page (first page is a right-hand side page) 349 // single-side document has only odd pages 350 $mpdf->mirrorMargins = $this->getExportConfig('doublesided'); 351 $mpdf->setAutoTopMargin = 'stretch'; 352 $mpdf->setAutoBottomMargin = 'stretch'; 353// $mpdf->pagenumSuffix = '/'; //prefix for {nbpg} 354 if($hasToC) { 355 $mpdf->PageNumSubstitutions[] = array('from' => 1, 'reset' => 0, 'type' => 'i', 'suppress' => 'off'); //use italic pageno until ToC 356 $mpdf->h2toc = $levels; 357 } else { 358 $mpdf->PageNumSubstitutions[] = array('from' => 1, 'reset' => 0, 'type' => '1', 'suppress' => 'off'); 359 } 360 361 // load the template 362 $template = $this->load_template(); 363 364 // prepare HTML header styles 365 $html = ''; 366 if($isDebug) { 367 $html .= '<html><head>'; 368 $html .= '<style type="text/css">'; 369 } 370 371 $styles = '@page { size:auto; ' . $template['page'] . '}'; 372 $styles .= '@page :first {' . $template['first'] . '}'; 373 374 $styles .= '@page landscape-page { size:landscape }'; 375 $styles .= 'div.dw2pdf-landscape { page:landscape-page }'; 376 $styles .= '@page portrait-page { size:portrait }'; 377 $styles .= 'div.dw2pdf-portrait { page:portrait-page }'; 378 $styles .= $this->load_css(); 379 380 $mpdf->WriteHTML($styles, 1); 381 382 if($isDebug) { 383 $html .= $styles; 384 $html .= '</style>'; 385 $html .= '</head><body>'; 386 } 387 388 $body_start = $template['html']; 389 $body_start .= '<div class="dokuwiki">'; 390 391 // insert the cover page 392 $body_start .= $template['cover']; 393 394 $mpdf->WriteHTML($body_start, 2, true, false); //start body html 395 if($isDebug) { 396 $html .= $body_start; 397 } 398 if($hasToC) { 399 //Note: - for double-sided document the ToC is always on an even number of pages, so that the following content is on a correct odd/even page 400 // - first page of ToC starts always at odd page (so eventually an additional blank page is included before) 401 // - there is no page numbering at the pages of the ToC 402 $mpdf->TOCpagebreakByArray( 403 array( 404 'toc-preHTML' => '<h2>' . $this->getLang('tocheader') . '</h2>', 405 'toc-bookmarkText' => $this->getLang('tocheader'), 406 'links' => true, 407 'outdent' => '1em', 408 'resetpagenum' => true, //start pagenumbering after ToC 409 'pagenumstyle' => '1' 410 ) 411 ); 412 $html .= '<tocpagebreak>'; 413 } 414 415 // store original pageid 416 $keep = $ID; 417 418 // loop over all pages 419 $counter = 0; 420 $no_pages = count($this->list); 421 foreach($this->list as $page) { 422 $counter++; 423 $filename = wikiFN($page, $REV); 424 425 if(!file_exists($filename)) { 426 continue; 427 } 428 429 // set global pageid to the rendered page 430 $ID = $page; 431 432 $pagehtml = p_cached_output($filename, 'dw2pdf', $page); 433 $pagehtml .= $this->page_depend_replacements($template['cite'], $page); 434 if($counter < $no_pages) { 435 $pagehtml .= '<pagebreak />'; 436 } 437 438 $mpdf->WriteHTML($pagehtml, 2, false, false); //intermediate body html 439 if($isDebug) { 440 $html .= $pagehtml; 441 } 442 } 443 //restore ID 444 $ID = $keep; 445 446 // insert the back page 447 $body_end = $template['back']; 448 449 $body_end .= '</div>'; 450 451 $mpdf->WriteHTML($body_end, 2, false, true); // finish body html 452 if($isDebug) { 453 $html .= $body_end; 454 $html .= '</body>'; 455 $html .= '</html>'; 456 } 457 458 //Return html for debugging 459 if($isDebug) { 460 if($INPUT->str('debughtml', 'text', true) == 'html') { 461 echo $html; 462 } else { 463 header('Content-Type: text/plain; charset=utf-8'); 464 echo $html; 465 } 466 exit(); 467 }; 468 469 // write to cache file 470 $mpdf->Output($cachefile, 'F'); 471 } 472 473 /** 474 * @param string $cachefile 475 */ 476 protected function sendPDFFile($cachefile) { 477 header('Content-Type: application/pdf'); 478 header('Cache-Control: must-revalidate, no-transform, post-check=0, pre-check=0'); 479 header('Pragma: public'); 480 http_conditionalRequest(filemtime($cachefile)); 481 482 $filename = rawurlencode(cleanID(strtr($this->title, ':/;"', ' '))); 483 if($this->getConf('output') == 'file') { 484 header('Content-Disposition: attachment; filename="' . $filename . '.pdf";'); 485 } else { 486 header('Content-Disposition: inline; filename="' . $filename . '.pdf";'); 487 } 488 489 //Bookcreator uses jQuery.fileDownload.js, which requires a cookie. 490 header('Set-Cookie: fileDownload=true; path=/'); 491 492 //try to send file, and exit if done 493 http_sendfile($cachefile); 494 495 $fp = @fopen($cachefile, "rb"); 496 if($fp) { 497 http_rangeRequest($fp, filesize($cachefile), 'application/pdf'); 498 } else { 499 header("HTTP/1.0 500 Internal Server Error"); 500 print "Could not read file - bad permissions?"; 501 } 502 exit(); 503 } 504 505 /** 506 * Load the various template files and prepare the HTML/CSS for insertion 507 * 508 * @return array 509 */ 510 protected function load_template() { 511 global $ID; 512 global $conf; 513 514 // this is what we'll return 515 $output = array( 516 'cover' => '', 517 'html' => '', 518 'page' => '', 519 'first' => '', 520 'cite' => '', 521 ); 522 523 // prepare header/footer elements 524 $html = ''; 525 foreach(array('header', 'footer') as $section) { 526 foreach(array('', '_odd', '_even', '_first') as $order) { 527 $file = DOKU_PLUGIN . 'dw2pdf/tpl/' . $this->tpl . '/' . $section . $order . '.html'; 528 if(file_exists($file)) { 529 $html .= '<htmlpage' . $section . ' name="' . $section . $order . '">' . DOKU_LF; 530 $html .= file_get_contents($file) . DOKU_LF; 531 $html .= '</htmlpage' . $section . '>' . DOKU_LF; 532 533 // register the needed pseudo CSS 534 if($order == '_first') { 535 $output['first'] .= $section . ': html_' . $section . $order . ';' . DOKU_LF; 536 } elseif($order == '_even') { 537 $output['page'] .= 'even-' . $section . '-name: html_' . $section . $order . ';' . DOKU_LF; 538 } elseif($order == '_odd') { 539 $output['page'] .= 'odd-' . $section . '-name: html_' . $section . $order . ';' . DOKU_LF; 540 } else { 541 $output['page'] .= $section . ': html_' . $section . $order . ';' . DOKU_LF; 542 } 543 } 544 } 545 } 546 547 // prepare replacements 548 $replace = array( 549 '@PAGE@' => '{PAGENO}', 550 '@PAGES@' => '{nbpg}', //see also $mpdf->pagenumSuffix = ' / ' 551 '@TITLE@' => hsc($this->title), 552 '@WIKI@' => $conf['title'], 553 '@WIKIURL@' => DOKU_URL, 554 '@DATE@' => dformat(time()), 555 '@BASE@' => DOKU_BASE, 556 '@TPLBASE@' => DOKU_BASE . 'lib/plugins/dw2pdf/tpl/' . $this->tpl . '/' 557 ); 558 559 // set HTML element 560 $html = str_replace(array_keys($replace), array_values($replace), $html); 561 //TODO For bookcreator $ID (= bookmanager page) makes no sense 562 $output['html'] = $this->page_depend_replacements($html, $ID); 563 564 // cover page 565 $coverfile = DOKU_PLUGIN . 'dw2pdf/tpl/' . $this->tpl . '/cover.html'; 566 if(file_exists($coverfile)) { 567 $output['cover'] = file_get_contents($coverfile); 568 $output['cover'] = str_replace(array_keys($replace), array_values($replace), $output['cover']); 569 $output['cover'] = $this->page_depend_replacements($output['cover'], $ID); 570 $output['cover'] .= '<pagebreak />'; 571 } 572 573 // cover page 574 $backfile = DOKU_PLUGIN . 'dw2pdf/tpl/' . $this->tpl . '/back.html'; 575 if(file_exists($backfile)) { 576 $output['back'] = '<pagebreak />'; 577 $output['back'] .= file_get_contents($backfile); 578 $output['back'] = str_replace(array_keys($replace), array_values($replace), $output['back']); 579 $output['back'] = $this->page_depend_replacements($output['back'], $ID); 580 } 581 582 // citation box 583 $citationfile = DOKU_PLUGIN . 'dw2pdf/tpl/' . $this->tpl . '/citation.html'; 584 if(file_exists($citationfile)) { 585 $output['cite'] = file_get_contents($citationfile); 586 $output['cite'] = str_replace(array_keys($replace), array_values($replace), $output['cite']); 587 } 588 589 return $output; 590 } 591 592 /** 593 * @param string $raw code with placeholders 594 * @param string $id pageid 595 * @return string 596 */ 597 protected function page_depend_replacements($raw, $id) { 598 global $REV; 599 600 // generate qr code for this page using google infographics api 601 $qr_code = ''; 602 if($this->getConf('qrcodesize')) { 603 $url = urlencode(wl($id, '', '&', true)); 604 $qr_code = '<img src="https://chart.googleapis.com/chart?chs=' . 605 $this->getConf('qrcodesize') . '&cht=qr&chl=' . $url . '" />'; 606 } 607 // prepare replacements 608 $replace['@ID@'] = $id; 609 $replace['@UPDATE@'] = dformat(filemtime(wikiFN($id, $REV))); 610 $replace['@PAGEURL@'] = wl($id, ($REV) ? array('rev' => $REV) : false, true, "&"); 611 $replace['@QRCODE@'] = $qr_code; 612 613 $content = str_replace(array_keys($replace), array_values($replace), $raw); 614 615 // @DATE(<date>[, <format>])@ 616 $content = preg_replace_callback( 617 '/@DATE\((.*?)(?:,\s*(.*?))?\)@/', 618 array($this, 'replacedate'), 619 $content 620 ); 621 622 return $content; 623 } 624 625 626 /** 627 * (callback) Replace date by request datestring 628 * e.g. '%m(30-11-1975)' is replaced by '11' 629 * 630 * @param array $match with [0]=>whole match, [1]=> first subpattern, [2] => second subpattern 631 * @return string 632 */ 633 function replacedate($match) { 634 global $conf; 635 //no 2nd argument for default date format 636 if($match[2] == null) { 637 $match[2] = $conf['dformat']; 638 } 639 return strftime($match[2], strtotime($match[1])); 640 } 641 642 643 /** 644 * Load all the style sheets and apply the needed replacements 645 */ 646 protected function load_css() { 647 global $conf; 648 //reusue the CSS dispatcher functions without triggering the main function 649 define('SIMPLE_TEST', 1); 650 require_once(DOKU_INC . 'lib/exe/css.php'); 651 652 // prepare CSS files 653 $files = array_merge( 654 array( 655 DOKU_INC . 'lib/styles/screen.css' 656 => DOKU_BASE . 'lib/styles/', 657 DOKU_INC . 'lib/styles/print.css' 658 => DOKU_BASE . 'lib/styles/', 659 ), 660 css_pluginstyles('all'), 661 $this->css_pluginPDFstyles(), 662 array( 663 DOKU_PLUGIN . 'dw2pdf/conf/style.css' 664 => DOKU_BASE . 'lib/plugins/dw2pdf/conf/', 665 DOKU_PLUGIN . 'dw2pdf/tpl/' . $this->tpl . '/style.css' 666 => DOKU_BASE . 'lib/plugins/dw2pdf/tpl/' . $this->tpl . '/', 667 DOKU_PLUGIN . 'dw2pdf/conf/style.local.css' 668 => DOKU_BASE . 'lib/plugins/dw2pdf/conf/', 669 ) 670 ); 671 $css = ''; 672 foreach($files as $file => $location) { 673 $display = str_replace(fullpath(DOKU_INC), '', fullpath($file)); 674 $css .= "\n/* XXXXXXXXX $display XXXXXXXXX */\n"; 675 $css .= css_loadfile($file, $location); 676 } 677 678 if(function_exists('css_parseless')) { 679 // apply pattern replacements 680 $styleini = css_styleini($conf['template']); 681 $css = css_applystyle($css, $styleini['replacements']); 682 683 // parse less 684 $css = css_parseless($css); 685 } else { 686 // @deprecated 2013-12-19: fix backward compatibility 687 $css = css_applystyle($css, DOKU_INC . 'lib/tpl/' . $conf['template'] . '/'); 688 } 689 690 return $css; 691 } 692 693 /** 694 * Returns a list of possible Plugin PDF Styles 695 * 696 * Checks for a pdf.css, falls back to print.css 697 * 698 * @author Andreas Gohr <andi@splitbrain.org> 699 */ 700 protected function css_pluginPDFstyles() { 701 $list = array(); 702 $plugins = plugin_list(); 703 704 $usestyle = explode(',', $this->getConf('usestyles')); 705 foreach($plugins as $p) { 706 if(in_array($p, $usestyle)) { 707 $list[DOKU_PLUGIN . "$p/screen.css"] = DOKU_BASE . "lib/plugins/$p/"; 708 $list[DOKU_PLUGIN . "$p/style.css"] = DOKU_BASE . "lib/plugins/$p/"; 709 } 710 711 if(file_exists(DOKU_PLUGIN . "$p/pdf.css")) { 712 $list[DOKU_PLUGIN . "$p/pdf.css"] = DOKU_BASE . "lib/plugins/$p/"; 713 } else { 714 $list[DOKU_PLUGIN . "$p/print.css"] = DOKU_BASE . "lib/plugins/$p/"; 715 } 716 } 717 return $list; 718 } 719 720 /** 721 * Returns array of pages which will be included in the exported pdf 722 * 723 * @return array 724 */ 725 public function getExportedPages() { 726 return $this->list; 727 } 728 729 /** 730 * usort callback to sort by file lastmodified time 731 * 732 * @param array $a 733 * @param array $b 734 * @return int 735 */ 736 public function _datesort($a, $b) { 737 if($b['rev'] < $a['rev']) return -1; 738 if($b['rev'] > $a['rev']) return 1; 739 return strcmp($b['id'], $a['id']); 740 } 741 742 /** 743 * usort callback to sort by page id 744 * @param array $a 745 * @param array $b 746 * @return int 747 */ 748 public function _pagenamesort($a, $b) { 749 // do not sort numbers before namespace separators 750 $aID = str_replace(':', '/', $a['id']); 751 $bID = str_replace(':', '/', $b['id']); 752 if($aID <= $bID) return -1; 753 if($aID > $bID) return 1; 754 return 0; 755 } 756 757 /** 758 * Return settings read from: 759 * 1. url parameters 760 * 2. plugin config 761 * 3. global config 762 * 763 * @return array 764 */ 765 protected function loadExportConfig() { 766 global $INPUT; 767 global $conf; 768 769 $this->exportConfig = array(); 770 771 // decide on the paper setup from param or config 772 $this->exportConfig['pagesize'] = $INPUT->str('pagesize', $this->getConf('pagesize'), true); 773 $this->exportConfig['orientation'] = $INPUT->str('orientation', $this->getConf('orientation'), true); 774 775 // decide on the font-size from param or config 776 $this->exportConfig['font-size'] = $INPUT->str('font-size', $this->getConf('font-size'), true); 777 778 $doublesided = $INPUT->bool('doublesided', (bool) $this->getConf('doublesided')); 779 $this->exportConfig['doublesided'] = $doublesided ? '1' : '0'; 780 781 $hasToC = $INPUT->bool('toc', (bool) $this->getConf('toc')); 782 $levels = array(); 783 if($hasToC) { 784 $toclevels = $INPUT->str('toclevels', $this->getConf('toclevels'), true); 785 list($top_input, $max_input) = explode('-', $toclevels, 2); 786 list($top_conf, $max_conf) = explode('-', $this->getConf('toclevels'), 2); 787 $bounds_input = array( 788 'top' => array( 789 (int) $top_input, 790 (int) $top_conf 791 ), 792 'max' => array( 793 (int) $max_input, 794 (int) $max_conf 795 ) 796 ); 797 $bounds = array( 798 'top' => $conf['toptoclevel'], 799 'max' => $conf['maxtoclevel'] 800 801 ); 802 foreach($bounds_input as $bound => $values) { 803 foreach($values as $value) { 804 if($value > 0 && $value <= 5) { 805 //stop at valid value and store 806 $bounds[$bound] = $value; 807 break; 808 } 809 } 810 } 811 812 if($bounds['max'] < $bounds['top']) { 813 $bounds['max'] = $bounds['top']; 814 } 815 816 for($level = $bounds['top']; $level <= $bounds['max']; $level++) { 817 $levels["H$level"] = $level - 1; 818 } 819 } 820 $this->exportConfig['hasToC'] = $hasToC; 821 $this->exportConfig['levels'] = $levels; 822 823 $this->exportConfig['maxbookmarks'] = $INPUT->int('maxbookmarks', $this->getConf('maxbookmarks'), true); 824 825 $tplconf = $this->getConf('template'); 826 $tpl = $INPUT->str('tpl', $tplconf, true); 827 if(!is_dir(DOKU_PLUGIN . 'dw2pdf/tpl/' . $tpl)) { 828 $tpl = $tplconf; 829 } 830 if(!$tpl){ 831 $tpl = 'default'; 832 } 833 $this->exportConfig['template'] = $tpl; 834 835 $this->exportConfig['isDebug'] = $conf['allowdebug'] && $INPUT->has('debughtml'); 836 } 837 838 /** 839 * Returns requested config 840 * 841 * @param string $name 842 * @param mixed $notset 843 * @return mixed|bool 844 */ 845 public function getExportConfig($name, $notset = false) { 846 if ($this->exportConfig === null){ 847 $this->loadExportConfig(); 848 } 849 850 if(isset($this->exportConfig[$name])){ 851 return $this->exportConfig[$name]; 852 }else{ 853 return $notset; 854 } 855 } 856 857 /** 858 * Add 'export pdf'-button to pagetools 859 * 860 * @param Doku_Event $event 861 */ 862 public function addbutton(Doku_Event $event) { 863 global $ID, $REV; 864 865 if($this->getConf('showexportbutton') && $event->data['view'] == 'main') { 866 $params = array('do' => 'export_pdf'); 867 if($REV) { 868 $params['rev'] = $REV; 869 } 870 871 // insert button at position before last (up to top) 872 $event->data['items'] = array_slice($event->data['items'], 0, -1, true) + 873 array('export_pdf' => 874 '<li>' 875 . '<a href="' . wl($ID, $params) . '" class="action export_pdf" rel="nofollow" title="' . $this->getLang('export_pdf_button') . '">' 876 . '<span>' . $this->getLang('export_pdf_button') . '</span>' 877 . '</a>' 878 . '</li>' 879 ) + 880 array_slice($event->data['items'], -1, 1, true); 881 } 882 } 883} 884