/**
* Adds the meta items_per_page default value.
* Paginate & skip options were added.
* Moving cached thumbs into postmeta table.
*
* @param mixed[][] $options The options to be modified.
*/
private static function fourPointZero(&$options)
{
if (version_compare($options['meta']['version'], '4.0', '<')) {
$options['gallery']['paginate'] = true;
$options['gallery']['skip'] = 0;
$options['meta']['items_per_page'] = 10;
$upload_dir = wp_upload_dir();
$upload_len = strlen($upload_dir['basedir']);
$dimensions = $options['thumber']['width'] . 'x' . $options['thumber']['height'];
foreach ($options['thumber']['thumbs'] as $id => $thumb) {
$thumb_obj = new DG_Thumb();
$thumb_obj->setPostId($id);
$thumb_obj->setTimestamp($thumb['timestamp']);
$thumb_obj->setDimensions($dimensions);
if (isset($thumb['thumb_path'])) {
$thumb_obj->setRelativePath(substr($thumb['thumb_path'], $upload_len + 1));
$thumb_obj->setGenerator(DG_Util::callableToString($thumb['thumber']));
}
$thumb_obj->save();
}
unset($options['thumber']['thumbs']);
}
}
/**
* @filter dg_thumbers Allows developers to filter the Thumbers used
* for specific filetypes. Index is the regex to match file extensions
* supported and the value is anything that can be accepted by call_user_func().
* The function must take two parameters, 1st is the int ID of the attachment
* to get a thumbnail for, 2nd is the page to take a thumbnail of
* (may not be relevant for some filetypes).
*
* @return array
*/
private static function getThumbers()
{
static $thumbers = null;
if (is_null($thumbers)) {
$options = self::getOptions();
$active = $options['active'];
$thumbers = array();
// Audio/Video embedded images
if ($active['av']) {
$exts = implode('|', self::getAudioVideoExts());
$thumbers[$exts] = array(__CLASS__, 'getAudioVideoThumbnail');
}
// Ghostscript
if ($active['gs'] && self::isGhostscriptAvailable()) {
$exts = implode('|', self::getGhostscriptExts());
$thumbers[$exts] = array(__CLASS__, 'getGhostscriptThumbnail');
}
// Imagick
if ($active['imagick'] && self::isImagickAvailable()) {
include_once DG_PATH . 'inc/class-image-editor-imagick.php';
if ($exts = DG_Image_Editor_Imagick::query_formats()) {
$exts = implode('|', $exts);
$thumbers[$exts] = array(__CLASS__, 'getImagickThumbnail');
}
}
// allow users to filter thumbers used
$thumbers = apply_filters('dg_thumbers', $thumbers);
// strip out anything that can't be called
$thumbers = array_filter($thumbers, 'is_callable');
// log which thumbers are being used
if (DG_Logger::logEnabled()) {
if (count($thumbers) > 0) {
$entry = __('Thumbnail Generators: ', 'document-gallery');
foreach ($thumbers as $k => $v) {
$thumber = DG_Util::callableToString($v);
// TODO: The following works for all internal regexes, but may have unpredictable
// results if developer adds additional thumbnail generators using different regexes
$filetypes = str_replace('|', ', ', $k);
$entry .= PHP_EOL . "{$thumber}: {$filetypes}";
}
} else {
$entry = __('No thumbnail generators enabled.', 'document-gallery');
}
DG_Logger::writeLog(DG_LogLevel::Detail, $entry);
}
}
return $thumbers;
}
