<?php
/**
 * This is main web application component
 */
class WebApplication extends CWebApplication {
    private $_controllerPath;
    private $_viewPath;
    private $_systemViewPath;
    private $_layoutPath;
    private $_controller;
    private $_theme;
    
    protected function init()
    {
        register_shutdown_function(array($this, 'onShutdownHandler'));
        parent::init(); 
    }
    
    public function onShutdownHandler()
    {   
        // 1. error_get_last() returns NULL if error handled via set_error_handler
        // 2. error_get_last() returns error even if error_reporting level less then error
        $e = error_get_last(); 
        
        $errorsToHandle = E_ERROR | E_PARSE | E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_COMPILE_WARNING;
           
        if(!is_null($e) && ($e['type'] & $errorsToHandle)) {
            $msg = 'Fatal error: '.$e['message'];
            // it's better to set errorAction = null to use system view "error.php" instead of run another controller/action (less possibility of additional errors)
            yii::app()->errorHandler->errorAction = null;
            // handling error
            yii::app()->handleError($e['type'], $msg, $e['file'], $e['line']);
        }
    }
    
    
    /**
     * Creates the controller and performs the specified action.
     * @param string $route the route of the current request. See {@link createController} for more details.
     * @throws CHttpException if the controller could not be created.
     */
    public function runController($route)
    {
        if(($ca=$this->createController($route))!==null)
        {
            list($controller,$actionID)=$ca;
            $oldController=$this->_controller;
            $this->_controller=$controller;
            $controller->init();
            $controller->run($actionID);
            $this->_controller=$oldController;
        }
        else {
            if(Yii::app()->request->isAjaxRequest) {
                throw new CHttpException(404,Yii::t('yii','Unable to resolve the request "{route}".',
                    array('{route}'=>$route===''?$this->defaultController:$route)));
            }
            else {
                $this->runController($this->defaultController . "/index");
            }
        }
    }
}