public function get_css_type() {
        if (array_key_exists($this->type, $this->namedtypes)) {
            return 'type_'.$this->namedtypes[$this->type];
        }
        return 'type_unknown';
    }
public function get_css_type() {
        if (array_key_exists($this->type, $this->namedtypes)) {
            return 'type_'.$this->namedtypes[$this->type];
        }
        return 'type_unknown';
    }
public function get_css_type ( ) { if ( array_key_exists ( $ this -> type , $ this -> namedtypes ) ) { return 'type_' . $ this -> namedtypes [ $ this -> type ] ; } return 'type_unknown' ; }
Gets the CSS class to add to this node to describe its type

@return string
Gets the CSS class to add to this node to describe its type