/** * Function: addStylename * * Adds the specified stylename to the given style if it does not already * contain the stylename. */ static function addStylename($style, $stylename) { if (mxUtils::indexOfStylename($style, $stylename) < 0) { if (!isset($style)) { $style = ""; } else { if (strlen($style) > 0 && $style[strlen($style) - 1] != ";") { $style .= ";"; } } $style .= $stylename; } return $style; }