function get_media_tag in Quiz 6.6

Same name and namespace in other branches

1. 6.5 includes/moodle/question/format/qti2/qt_common.php \get_media_tag()

creates a media tag to use for choice media

Parameters

string $file the filename:

string $courseid the course id:

string $alt to specify the alt tag:

Return value

string either an image tag, or html for an embedded object

File

includes/moodle/question/format/qti2/qt_common.php, line 99

Code

function get_media_tag($file, $courseid = 0, $alt = 'media file', $width = 0, $height = 0) {
  global $CFG;

  // if it's a moodle library file, it will be served through file.php
  if (substr(strtolower($file), 0, 7) == 'http://') {
    $media = $file;
  }
  else {
    require_once $CFG->libdir . '/filelib.php';
    $media = get_file_url("{$courseid}/{$file}");
  }
  $ismultimedia = false;
  if (!($isimage = is_image_by_extension($file))) {
    $ismultimedia = is_multimedia_by_extension($file);
  }

  // if there is no known width and height, try to get one
  if ($width == 0) {
    if ($isimage || is_sizable_multimedia($file)) {
    }
  }

  // create either an image link or a generic link.
  // if the moodle multimedia filter is turned on, it'll catch multimedia content in the generic link
  if (is_image_by_extension($file)) {
    return "<img src=\"{$media}\" alt=\"{$alt}\" width=\"{$width}\" height=\"{$height}\" />";
  }
  else {
    require_once "{$CFG->dirroot}/mod/quiz/format/qti/custommediafilter.php";
    return custom_mediaplugin_filter('<a href="' . $media . '"></a>', $courseid, $width, $height);
  }
}