<?php
/**
 * Controller
 * @author Erik Amaru Ortiz <erik@colosa.com, aortiz.erik@gmail.com>
 * @package gulliver.system
 * @access private
 */
class Controller 
{
    
    /**
     * @var array - private array to store proxy data
     */
    private $__data__ = array();
    
    /**
     * @var object - private object to store the http request data 
     */
    private $__request__;
    
    private $headPublisher;

    public $ExtVar = Array();
    
    public function __construct()
    {
        $this->headPublisher = headPublisher::getSingleton();
    }
    
    /**
     * Magic setter method
     * 
     * @param string $name
     * @param string $value
     */
    public function __set($name, $value) 
    {
        //echo "Setting '$name' to '$value'\n";
        $this->__data__[$name] = $value;
    }

    /**
     * Magic getter method
     * 
     * @param string $name
     * @return string or NULL if the internal var doesn't exist
     */
    public function __get($name) 
    {
        //echo "Getting '$name'\n";
        if (array_key_exists($name, $this->__data__)) {
            return $this->__data__[$name];
        }

        $trace = debug_backtrace();
        trigger_error(
            'Undefined property via __get(): ' . $name .
            ' in ' . $trace[0]['file'] .
            ' on line ' . $trace[0]['line'],
            E_USER_NOTICE);
        return null;
    }

    /**
     * Magic isset method
     * 
     * @param string $name
     */
    public function __isset($name) 
    {
        //echo "Is '$name' set?\n";
        return isset($this->__data__[$name]);
    }

    
    /**
     * Magic unset method
     * 
     * @param string $name
     */
    public function __unset($name) 
    {
        //echo "Unsetting '$name'\n";
        unset($this->__data__[$name]);
    }
    
    /**
     * call to execute a internal proxy method and handle its exceptions
     * 
     * @param string $name
     */
    public function call($name) 
    {
        //echo __CLASS__;
        try {
            
            $this->$name($this->__request__);
            
        } catch (Exception $e) {
            new PMException($e->getMessage(), 1);
        }
    }
    
    /**
     * Set the http request data
     * 
     * @param array $data
     */
    public function setHttpRequestData($data)
    {
        if( is_array($data) ) {
            while( $var = each($data) )
                $this->__request__->$var['key'] = $var['value'];   
        } else 
            $this->__request__ = $data;
    }

    public function includeExtJS($srcFile, $debug=false)
    {
      $this->headPublisher->addExtJsScript($srcFile,true );
      
    }

    public function setView($file)
    {
      $this->headPublisher->addContent($file,true );
    }

    public function setJSVar($name, $value)
    {
      $this->headPublisher->assign($name, $value);
    }
}