__( 'Select Files', 'meta-box' ),
) );
}
/**
* Add actions
*
* @return void
*/
static function add_actions()
{
parent::add_actions();
// Attach images via Ajax
add_action( 'wp_ajax_rwmb_attach_file', array( __CLASS__, 'wp_ajax_attach_file' ) );
add_action( 'print_media_templates', array( __CLASS__, 'print_templates' ) );
}
static function wp_ajax_attach_file()
{
$post_id = isset( $_REQUEST['post_id'] ) ? intval( $_REQUEST['post_id'] ) : 0;
$field_id = isset( $_POST['field_id'] ) ? $_POST['field_id'] : 0;
$attachment_ids = isset( $_POST['attachment_ids'] ) ? (array) $_POST['attachment_ids'] : array();
check_ajax_referer( "rwmb-attach-file_{$field_id}" );
foreach ( $attachment_ids as $attachment_id )
{
add_post_meta( $post_id, $field_id, $attachment_id, false );
}
wp_send_json_success();
}
/**
* Get field HTML
*
* @param mixed $meta
* @param array $field
*
* @return string
*/
static function html( $meta, $field )
{
$i18n_title = apply_filters( 'rwmb_file_advanced_select_string', _x( 'Select or Upload Files', 'file upload', 'meta-box' ), $field );
$attach_nonce = wp_create_nonce( "rwmb-attach-file_{$field['id']}" );
// Uploaded files
$html = self::get_uploaded_files( $meta, $field );
// Show form upload
$classes = array( 'button', 'rwmb-file-advanced-upload', 'hide-if-no-js', 'new-files' );
if ( ! empty( $field['max_file_uploads'] ) && count( $meta ) >= (int) $field['max_file_uploads'] )
$classes[] = 'hidden';
$classes = implode( ' ', $classes );
$html .= "{$i18n_title}";
return $html;
}
/**
* Get field value
* It's the combination of new (uploaded) images and saved images
*
* @param array $new
* @param array $old
* @param int $post_id
* @param array $field
*
* @return array|mixed
*/
static function value( $new, $old, $post_id, $field )
{
$new = (array) $new;
return array_unique( array_merge( $old, $new ) );
}
static function print_templates()
{
$i18n_delete = apply_filters( 'rwmb_file_delete_string', _x( 'Delete', 'file upload', 'meta-box' ) );
$i18n_edit = apply_filters( 'rwmb_file_edit_string', _x( 'Edit', 'file upload', 'meta-box' ) );
?>