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<?
class Controller
{
private $view_name;
private $controller_name;
private $mode;
private $args;
private $data;
public function __construct($name)
{
$this->controller_name = $name;
}
public static function makeControllerViewKey($controller_name, $view_name, $params)
{
return sha1("{$controller_name}.{$view_name}." . serialize($params));
}
public static function byName($name)
{
// Get the name of the class to load
$class_name = "{$name}Controller";
$class_file = CONTROLLERS_DIR . "/" . strtolower($name) . ".php";
if (file_exists($class_file))
require_once($class_file);
else
throw new ViewException("$name controller does not exist.");
return new $class_name($name);
}
public function viewFactory()
{
$class = ucfirst($mode) . "View";
if (class_exists($class))
return new $class($this->controller_name, $this->view_name);
}
public function renderView($view_name, $args = array(), $cache_time = 0, $key = null)
{
// Check the cache
/*
if ($cache_time > Cache::TIME_NEVER)
{
if ($key === null)
$key = Controller::makeControllerViewKey($this->controller_name, $view_name, $args);
$data = CacheBot::get($key);
if ($data !== false)
return $data;
}
*/
//save our params, prep for drawing the view.
$this->args = $args;
$this->args = $this->getArgs();
//call our controller's view method
if (method_exists($this, $view_name))
$this->$view_name();
//no cache, get down to business
$this->view_name = $view_name;
$view = $this->viewFactory();
//do our dirty work.
$view->preRender();
$output = $view->render($this->data);
$view->postRender();
//do we save it to cache?
/*
if ($cache_time > Cache::TIME_NEVER)
CacheBot::set($output, $key, $cache_time);
*/
return $output;
}
public function get($key = null)
{
if ($key === null)
return $this->data;
else
return $this->data[$key];
}
public function set($key, $data)
{
$this->data[$key] = $data;
}
public function args($key = null)
{
if ($key === null)
return $this->args;
else
return $this->args[$key];
}
protected function setArg($key)
{
$this->set($key, $this->args[$key]);
}
protected function setView($view_name)
{
$this->view_name = $view_name;
}
protected function forwardToURL($url)
{
header("Location: {$url}");
exit();
}
private function getArgs()
{
//for ease of debug.
ob_start();
//use our already set args.
$args = array();
// GET is the first level of args.
if (count($_GET))
$args = array_merge($args, $_GET);
echo "After GET:\n";
print_r($args);
// POST overrides GET.
if (count($_POST))
$args = array_merge($args, $_POST);
echo "After POST:\n";
print_r($args);
// JSON data overrides GET and POST
if (!empty($args['jdata']))
{
$json_data = json_decode(stripslashes($args['jdata']), true);
unset($args['jdata']);
$args = array_merge($args, $json_data);
}
echo "After jdata:\n";
print_r($args);
// user-defined args rule all!
if (count($this->args))
$args = array_merge($args, $this->args);
echo "Finally:\n";
print_r($args);
//for debug;
ob_end_clean();
return $args;
}
}
?>
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