<?php

class Controller {
  var $_controller;
  var $_action;
  var $_params;
  var $_tplvars;
  var $_rendered = false;
  var $_layout = 'default';

  function Controller($route) {
    $this->_controller = $route['controller'];
    $this->_action = $route['action'];
    $this->_params = $route['params'];
    $this->set('_action',$this->_action);
    $this->set('_controller',$this->_controller);
    $this->set('title',capitalize($this->_action));
    if (isset($this->_before)) {
      foreach ($this->_before as $method) {
        $this->$method();
      }
    }
  }

  function render($action='') {
    global $errors;
    if ($action == '') {
      $action = $this->_action;
    }
    if ($this->_rendered) { return; }
    if ($errors->alwaysPrint()) print($errors->getHtml());
    extract($this->_tplvars);
    $layouthead = LAYOUTS_PATH.$this->_layout.'/header.php';
    $layoutfoot = LAYOUTS_PATH.$this->_layout.'/footer.php';
    $tpl = VIEWS_PATH.strtolower($this->_controller).'/'.strtolower($action).'.php';
    if (file_exists($layouthead)) {
      include($layouthead);
    }
    if (file_exists($tpl)) {
      include($tpl);
    }
    if (file_exists($layoutfoot)) {
      include($layoutfoot);
    }
    $this->_rendered = true;
  }

  function go() {
    $method = $this->_action;
    if (method_exists($this,$method)) {
      $this->$method();
    }
    $this->render();
  }

  function set($var,$val) {
    $this->_tplvars[$var] = $val;
  }

  function setLayout($layout) {
    $this->_layout = $layout;
  }

  function redirect($path) {
    $redirect = urlfor($path);
    header('Location: '.$redirect);
    exit;
  }
  
  function includeFile($file,$args=array()) {
    extract($args);
    include(VIEWS_PATH.$file);
  }
}

?>