public function edit($id) {
        if(!empty($id)){
            $data = $this->db->query("SELECT * FROM ?t WHERE uchgraph_id=?",array("time_uchgraph",$id),"rowassoc");
            $data["unit_code"] = $this->unit($data["unit_id"],"unit_code");
            $data["unit_profile"] = $this->unit($data["unit_id"],"unit_profile");
            
            $data["codes"] = $this->db->query("SELECT distinct d.discipline_id,(select name from time_disciplines WHERE code like d.discipline_id) as discipline_name FROM ?t d WHERE d.uchgraph_id=?",array("time_graph",$id),"assoc");
            foreach ($data["codes"] as &$value) {
                $value["sim1"] = $this->db->query("SELECT * FROM ?t WHERE uchgraph_id=? and sim=1 and discipline_id=?",array("time_graph",$id,$value["discipline_id"]),"rowassoc");
                $value["sim2"] = $this->db->query("SELECT * FROM ?t WHERE uchgraph_id=? and sim=2 and discipline_id=?",array("time_graph",$id,$value["discipline_id"]),"rowassoc");
            }
            $this->smarty->assign("data", $data);
        }
        
        $item = $this->db->query("SELECT * FROM ?t WHERE unit_id=?",array("time_unit",$_SESSION["kafedra"]),"rowassoc");
        $this->smarty->assign("kaf", $item);
        
        $direct = $this->db->query("SELECT * FROM ?t WHERE unit_pid=? and unit_type in (40,35)",array("time_unit",$_SESSION["kafedra"]),"assoc");
        $this->smarty->assign("direct", $direct);
        
        $special = $this->db->query("SELECT * FROM ?t WHERE unit_pid=? and unit_type in (50)",array("time_unit",$_SESSION["kafedra"]),"assoc");
        $this->smarty->assign("special", $special);
        
        
        
        
        $this->smarty->assign("page_title","Графики учебных занятий");
        $this->smarty->assign("tmpl_name", "graph/edit");
        
    }

    //Этот метод из родительского класса
    public function unit($id,$col = null){
        if(!empty($col)){
            return $this->db->query("SELECT ?c FROM time_unit WHERE unit_id=?",array($col,$id),"el");
        }else{
            return $this->db->query("SELECT * FROM time_unit WHERE unit_id=?",array($id),"rowassoc");
        }
    }