function pdf_requirements in PDF 7

Implements hook_requirements().

Set a status message to indicate if PDF.js library can be located.

File

./pdf.install, line 13

Install file for PDF module.

Code

function pdf_requirements($phase) {
  $requirements = array();
  switch ($phase) {
    case 'runtime':

      // Check for the PDF.js library.
      $pdfjs_lib = libraries_detect('pdf.js');

      // PDF.js is working correctly.
      if ($pdfjs_lib['installed']) {
        $value = $pdfjs_lib['version'];
        $description = FALSE;
        $severity = REQUIREMENT_OK;
      }
      else {
        $value = t('Not installed');
        $description = t('PDF.js cannot be found. Download PDF.js from !pdfjs-site, and extract it into your Drupal libraries directory. The folder in your libraries folder must be named pdf.js. (!more-info)', array(
          '!pdfjs-site' => l('http://mozilla.github.io/pdf.js', 'http://mozilla.github.io/pdf.js/getting_started/#download'),
          '!more-info' => l(t('more information'), 'https://www.drupal.org/project/pdf'),
        ));
        $severity = REQUIREMENT_ERROR;
      }

      // Declare requirement to Drupal.
      $requirements[] = array(
        'title' => t('PDF.js'),
        'value' => $value,
        'description' => $description,
        'severity' => $severity,
      );
      break;
  }
  return $requirements;
}