/**
* Build a pdf from the html
*
* @param string $cachefile
* @param string $title
*/
protected function generatePDF($cachefile, $title)
{
global $ID;
global $REV;
global $INPUT;
//some shortcuts to export settings
$hasToC = $this->getExportConfig('hasToC');
$levels = $this->getExportConfig('levels');
$isDebug = $this->getExportConfig('isDebug');
// initialize PDF library
require_once dirname(__FILE__) . "/DokuPDF.class.php";
$mpdf = new DokuPDF($this->getExportConfig('pagesize'), $this->getExportConfig('orientation'));
// let mpdf fix local links
$self = parse_url(DOKU_URL);
$url = $self['scheme'] . '://' . $self['host'];
if ($self['port']) {
$url .= ':' . $self['port'];
}
$mpdf->setBasePath($url);
// Set the title
$mpdf->SetTitle($title);
// some default document settings
//note: double-sided document, starts at an odd page (first page is a right-hand side page)
// single-side document has only odd pages
$mpdf->mirrorMargins = $this->getExportConfig('doublesided');
$mpdf->setAutoTopMargin = 'stretch';
$mpdf->setAutoBottomMargin = 'stretch';
// $mpdf->pagenumSuffix = '/'; //prefix for {nbpg}
if ($hasToC) {
$mpdf->PageNumSubstitutions[] = array('from' => 1, 'reset' => 0, 'type' => 'i', 'suppress' => 'off');
//use italic pageno until ToC
$mpdf->h2toc = $levels;
} else {
$mpdf->PageNumSubstitutions[] = array('from' => 1, 'reset' => 0, 'type' => '1', 'suppress' => 'off');
}
// load the template
$template = $this->load_template($title);
// prepare HTML header styles
$html = '';
if ($isDebug) {
$html .= '<html><head>';
$html .= '<style type="text/css">';
}
$styles = $this->load_css();
$styles .= '@page { size:auto; ' . $template['page'] . '}';
$styles .= '@page :first {' . $template['first'] . '}';
$styles .= '@page landscape-page { size:landscape }';
$styles .= 'div.dw2pdf-landscape { page:landscape-page }';
$styles .= '@page portrait-page { size:portrait }';
$styles .= 'div.dw2pdf-portrait { page:portrait-page }';
$mpdf->WriteHTML($styles, 1);
if ($isDebug) {
$html .= $styles;
$html .= '</style>';
$html .= '</head><body>';
}
$body_start = $template['html'];
$body_start .= '<div class="dokuwiki">';
// insert the cover page
$body_start .= $template['cover'];
$mpdf->WriteHTML($body_start, 2, true, false);
//start body html
if ($isDebug) {
$html .= $body_start;
}
if ($hasToC) {
//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
// - first page of ToC starts always at odd page (so eventually an additional blank page is included before)
// - there is no page numbering at the pages of the ToC
$mpdf->TOCpagebreakByArray(array('toc-preHTML' => '<h2>' . $this->getLang('tocheader') . '</h2>', 'toc-bookmarkText' => $this->getLang('tocheader'), 'links' => true, 'outdent' => '1em', 'resetpagenum' => true, 'pagenumstyle' => '1'));
$html .= '<tocpagebreak>';
}
// store original pageid
$keep = $ID;
// loop over all pages
$cnt = count($this->list);
for ($n = 0; $n < $cnt; $n++) {
$page = $this->list[$n];
// set global pageid to the rendered page
$ID = $page;
$pagehtml = p_cached_output(wikiFN($page, $REV), 'dw2pdf', $page);
$pagehtml .= $this->page_depend_replacements($template['cite'], $page);
if ($n < $cnt - 1) {
$pagehtml .= '<pagebreak />';
}
$mpdf->WriteHTML($pagehtml, 2, false, false);
//intermediate body html
if ($isDebug) {
$html .= $pagehtml;
}
}
//restore ID
$ID = $keep;
// insert the back page
$body_end = $template['back'];
$body_end .= '</div>';
$mpdf->WriteHTML($body_end, 2, false, true);
// finish body html
if ($isDebug) {
$html .= $body_end;
$html .= '</body>';
$html .= '</html>';
}
//Return html for debugging
if ($isDebug) {
if ($INPUT->str('debughtml', 'text', true) == 'html') {
echo $html;
} else {
header('Content-Type: text/plain; charset=utf-8');
echo $html;
}
exit;
}
// write to cache file
$mpdf->Output($cachefile, 'F');
}
/**
* Do the HTML to PDF conversion work
*
* @param Doku_Event $event
* @param array $param
* @return bool
*/
public function convert(&$event, $param)
{
global $ACT;
global $REV;
global $ID;
// our event?
if ($ACT != 'export_pdfbook' && $ACT != 'export_pdf') {
return false;
}
// check user's rights
if (auth_quickaclcheck($ID) < AUTH_READ) {
return false;
}
// one or multiple pages?
$list = array();
if ($ACT == 'export_pdf') {
$list[0] = $ID;
$title = p_get_first_heading($ID);
} elseif (isset($_COOKIE['list-pagelist']) && !empty($_COOKIE['list-pagelist'])) {
//is in Bookmanager of bookcreator plugin title given
if (!($title = $_GET['pdfbook_title'])) {
//TODO when title is changed, the cached file contains the old title
/** @var $bookcreator action_plugin_bookcreator */
$bookcreator = plugin_load('action', 'bookcreator');
msg($bookcreator->getLang('needtitle'), -1);
$event->data = 'show';
$_SERVER['REQUEST_METHOD'] = 'POST';
//clears url
return false;
}
$list = explode("|", $_COOKIE['list-pagelist']);
} else {
/** @var $bookcreator action_plugin_bookcreator */
$bookcreator = plugin_load('action', 'bookcreator');
msg($bookcreator->getLang('empty'), -1);
$event->data = 'show';
$_SERVER['REQUEST_METHOD'] = 'POST';
//clears url
return false;
}
// it's ours, no one else's
$event->preventDefault();
// prepare cache
$cache = new cache(join(',', $list) . $REV . $this->tpl, '.dw2.pdf');
$depends['files'] = array_map('wikiFN', $list);
$depends['files'][] = __FILE__;
$depends['files'][] = dirname(__FILE__) . '/renderer.php';
$depends['files'][] = dirname(__FILE__) . '/mpdf/mpdf.php';
$depends['files'] = array_merge($depends['files'], getConfigFiles('main'));
// hard work only when no cache available
if (!$this->getConf('usecache') || !$cache->useCache($depends)) {
// initialize PDF library
require_once dirname(__FILE__) . "/DokuPDF.class.php";
$mpdf = new DokuPDF();
// let mpdf fix local links
$self = parse_url(DOKU_URL);
$url = $self['scheme'] . '://' . $self['host'];
if ($self['port']) {
$url .= ':' . $self['port'];
}
$mpdf->setBasePath($url);
// Set the title
$mpdf->SetTitle($title);
// some default settings
$mpdf->mirrorMargins = 1;
$mpdf->useOddEven = 1;
$mpdf->setAutoTopMargin = 'stretch';
$mpdf->setAutoBottomMargin = 'stretch';
// load the template
$template = $this->load_template($title);
// prepare HTML header styles
$html = '<html><head>';
$html .= '<style type="text/css">';
$html .= $this->load_css();
$html .= '@page { size:auto; ' . $template['page'] . '}';
$html .= '@page :first {' . $template['first'] . '}';
$html .= '</style>';
$html .= '</head><body>';
$html .= $template['html'];
$html .= '<div class="dokuwiki">';
// loop over all pages
$cnt = count($list);
for ($n = 0; $n < $cnt; $n++) {
$page = $list[$n];
$html .= p_cached_output(wikiFN($page, $REV), 'dw2pdf', $page);
$html .= $this->page_depend_replacements($template['cite'], cleanID($page));
if ($n < $cnt - 1) {
$html .= '<pagebreak />';
}
}
$html .= '</div>';
$mpdf->WriteHTML($html);
// write to cache file
$mpdf->Output($cache->cache, 'F');
}
// deliver the file
header('Content-Type: application/pdf');
header('Cache-Control: must-revalidate, no-transform, post-check=0, pre-check=0');
header('Pragma: public');
http_conditionalRequest(filemtime($cache->cache));
$filename = rawurlencode(cleanID(strtr($title, ':/;"', ' ')));
if ($this->getConf('output') == 'file') {
header('Content-Disposition: attachment; filename="' . $filename . '.pdf";');
} else {
header('Content-Disposition: inline; filename="' . $filename . '.pdf";');
}
if (http_sendfile($cache->cache)) {
exit;
}
$fp = @fopen($cache->cache, "rb");
if ($fp) {
http_rangeRequest($fp, filesize($cache->cache), 'application/pdf');
} else {
header("HTTP/1.0 500 Internal Server Error");
print "Could not read file - bad permissions?";
}
exit;
}
function OpenTag($tag, $attr)
{
switch ($tag) {
case 'BOOKMARK':
case 'TOCENTRY':
if ($attr['CONTENT']) {
// resolve double encoding
$attr['CONTENT'] = htmlspecialchars_decode($attr['CONTENT'], ENT_QUOTES);
}
break;
}
return parent::OpenTag($tag, $attr);
}
