<?php
 
 namespace elanpl\L3;
 
 abstract class ViewModel{
     private $module;
     private $controller;
     private $action;
     public $_L3;
                     
     public function __construct($arg)
     {
         if($arg instanceof Applicstion){

             $this->_L3 = $arg;

         }
         else{
             global $_L3;
             $this->_L3 = $_L3;
         }
 

         $match = $this->_L3->findControllerInCallStack();

 
         $this->controller = $match['controller'];
         $this->module = $match['module'];
         $this->action = $match['action'];
     }
 
     public function getController(){
         if(!isset($this->controller)){
             throw new \Exception("Controller not found in ViewModel \"".get_class($this)."! Use parent::__construct() in the class constructor or setController method.");
         }
         else
             return $this->controller;
     }
 
     public function getAction(){
         if(!isset($this->action)){
             throw new \Exception("Action not found in ViewModel \"".get_class($this)."! Use parent::___construct() in the class constructor or setAction method.");
         }
         return $this->action;
     }
 
     public function getModule(){
         return $this->module;
     }
 
     public function setController($controller){ 
         return $this->controller = $controller;
     }
 
     public function setAction($action){ 
         return $this->action = $action;
     }
 
     public function setModule($module){ 
         return $this->module = $module;
     }
 
     public function getDTO(){
         //function to be overriden
     }
 }