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   103
 
<?php
 
namespace elanpl\L3;
 
class View{
    protected $viewFileExtension;
    protected $viewFile;
    protected $context;
    public $_L3; //The L3 instance
 
    public function __construct(){
        $numargs = func_num_args();
     
        if ($numargs == 0) {
            $view = "";
            $context = array();
        }
        else if ($numargs == 1) {
            $arg = func_get_arg(0);
            if(is_object($arg) && $arg instanceof ViewModel){
                if(method_exists($arg, 'getContext')){
                    $context = $arg->getContext();
                }
                else{
                    $context = array();
                    $context['vm'] = $arg;
                }
 
                if(method_exists($arg, 'getView')){
                    $view = $arg->getView();
                }
                else{
                    $view = $arg;
                }
 
                if(isset($arg->_L3)){
                    $this->_L3 = $arg->_L3;
                }
            }
            else{
                $view = "";
                $context = $arg;
            }
        }
        else {
            $arg = func_get_arg(0);
            if($arg instanceof Application){
                $this->_L3 = $arg;
                $view = func_get_arg(1);
                $context = func_get_arg(2);
            }
            else{
                $view = func_get_arg(0);
                $context = func_get_arg(1);
            }
        }
 
        if(!isset($this->_L3)){
            // if an Application object was not injected, take it form the global context...
            global $_L3;
            $this->_L3 = $_L3;
        }
        
 
        if($this->viewFile = $this->find($view)){
            if(!isset($this->viewFileExtension)){
                foreach($this->_L3->viewEngines->getRegisteredFileExtensions() as $extension){
                    if(substr($this->viewFile, -strlen($extension)) == $extension){
                        $this->viewFileExtension = $extension;
                        break;
                        //$this->viewFileExtension = ".".pathinfo($this->viewFile, PATHINFO_EXTENSION);
                    }
                }
            }
        }
        else{
            if(is_object($view)){
                $string_view = 'matched for class: '.get_class($view);
            }
            else{
                $string_view = $view;
            }
            throw new \Exception("View file:\"$string_view\" not found!");
        }
        $this->context = $context;
    }
 
    public function render(){
        if ($viewEngine = $this->_L3->viewEngines->get($this->viewFileExtension)){
 
            $viewEngineClass = $viewEngine->class;
            if(isset($viewEngine->config)){
                $view = new $viewEngineClass($this->_L3, $viewEngine->config);
            }
            else{
                $refl = new \ReflectionClass($viewEngineClass);
                if($refl->inNamespace()&&class_exists($refl->getNamespaceName().'\\Config')){
                    $view = new $viewEngineClass($this->_L3, $refl->getNamespaceName().'\\Config');
                }
                else{
                    $view = new $viewEngineClass($this->_L3);
                }
            }