/**
* Accepts AJAX request containing list of IDs to be generated and returned.
* Returns associative array mapping ID to thumbnail URL for all icons that were generated,
* skipping any that could not be processed.
*/
public static function generateIcons()
{
$ret = array();
if (isset($_REQUEST['ids'])) {
foreach ($_REQUEST['ids'] as $id) {
// only return URL if different from default -- default image is already displayed on the client side
$url = DG_Thumber::getInstance()->getThumbnail($id, 1, true, $is_default);
if (!$is_default) {
$ret[$id] = $url;
}
}
}
wp_send_json($ret);
}
/**
*
* @param int $ID The attachment ID.
* @param int $pg The page number to use (1-based numbering).
* @param bool $generate_if_missing Whether to generate the thumbnail if it has not yet been generated.
*
* @return string The URL for the thumbnail NULL. Note that if generate_if_missing
* is true then you will never get NULL -- you will get a default icon if generation fails.
*/
public static function getThumbnail($ID, $pg = 1, $generate_if_missing = false)
{
include_once DG_PATH . 'inc/class-thumber.php';
return DG_Thumber::getInstance()->getThumbnail($ID, $pg, $generate_if_missing);
}