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public function PrincePDF::flush in Forena Reports 8

[@inheritdoc}

Overrides DocumentBase::flush

File

forena_pdf/src/FrxPlugin/Document/PrincePDF.php, line 36
PrincePDF

Class

PrincePDF
Provides PDF file exports using Prince XML

Namespace

Drupal\forena_pdf\FrxPlugin\Document

Code

public function flush() {

  //@TODO: figure out how to deal with options
  $options = [];

  //@TODO: Figure out how to pass style portions of css doucments to the PDF.
  $css = '';
  $style_css = '';
  $disable_links = \Drupal::config('forena_pdf.settings')
    ->get('disable_links');
  $html = $this->write_buffer;
  if ($disable_links) {
    $html = preg_replace('/<a href=\\"(.*?)\\">(.*?)<\\/a>/', "\\2", $html);
  }
  $link_class = $disable_links ? 'prince-disable-links' : '';
  $output = '<html><head>';
  $output .= '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>';
  if (!empty($options['css']) || isset($r->rpt_xml->head->style)) {
    $output .= '<style type="text/css">';
    $output .= $css;
    if ($style_css) {
      $sheet = (string) $r->rpt_xml->head->style;
      $output .= $sheet;
    }
    $output .= '</style>';
  }
  $output .= '<title>' . $this->title . "</title></head><body class='forena-report {$link_class}'><h1>" . $this->title . '</h1>' . $html . '</body></html>';
  $prince_css = drupal_get_path('module', 'forena_pdf') . '/forena_pdf_prince.css';

  // Generate the document
  if ($this->p) {
    $p = $this->p;
    foreach ($this
      ->documentManager()->stylesheets as $type => $sheets) {
      foreach ($sheets as $sheet) {
        switch ($type) {
          case 'all':
          case 'print':
          case 'screen':
          case 'pdf':
            $p
              ->addStyleSheet($sheet);
            break;
        }
      }
    }
    $msg = array();
    $pdf_file = tempnam(file_directory_temp(), 'prince_pdf');
    if ($p
      ->convert_string_to_file($output, $pdf_file, $msg)) {
      $output = file_get_contents($pdf_file);
    }
    else {
      $this
        ->app()
        ->error('Could not generate PDF File', print_r($msg, 1));
      $output = '';
    }

    // We don't care if this fails because it's temproary.
    @unlink($pdf_file);
    return $output;
  }
  else {
    $this
      ->error(t('Prince XML Not Properly Installed'));
    return '';
  }
}