private function _startSession()
{
// Start the session
TIP::startSession();
$this->_session_started = true;
// Set $_referer
$request = HTTP_Session2::get('request');
$referer = HTTP_Session2::get('referer');
if (is_null($request)) {
// Entry page or new session: the referer is the main page
$this->_referer = null;
} elseif ($this->_request['uri'] == $referer['uri']) {
// Current URI equals to the old referer URI: probably a back action
$this->_referer = null;
} elseif ($this->_request['module'] != $request['module'] || $this->_request['action'] != $request['action']) {
// New action: the referer is the previous request
$this->_referer = $request;
} else {
// Same action: leave the old referer
$this->_referer = $referer;
}
if (!is_array($this->_referer)) {
$this->_referer = array('uri' => TIP::getHome(), 'module' => null, 'action' => null);
$this->_referer['action'] = null;
}
$this->keys['REFERER'] = $this->_referer['uri'];
// Store request and referer
HTTP_Session2::set('referer', $this->_referer);
HTTP_Session2::set('request', $this->_request);
// Profiler initialization in "admin" mode
if ($this->keys['IS_ADMIN']) {
require_once 'Benchmark/Profiler.php';
$GLOBALS['_tip_profiler'] = new Benchmark_Profiler();
$GLOBALS['_tip_profiler']->start();
}
}
/**
* Build an action (relative) URI
* @param string $module The module name
* @param string $action The action to perform
* @param string $id The subject of the action
* @param array $args Optional additional query arguments
* @return string The constructed URI
*/
public static function buildActionUri($module, $action, $id = null, $args = null)
{
$uri = TIP::getHome();
if (empty($module) || empty($action)) {
empty($args) || ($uri .= '?' . http_build_query($args, '', '&'));
return $uri;
}
$namespace = TIP_Application::getGlobal('namespace');
if (is_null($namespace)) {
$args['module'] = $module;
$args['action'] = $action;
is_null($id) || ($args['id'] = $id);
$uri .= '?' . http_build_query($args, '', '&');
return $uri;
}
// Strip the namespace from the module name, if present
if (strpos($module, $namespace . '_') === 0) {
$module = substr($module, strlen($namespace) + 1);
}
$uri .= $module . '/' . $action;
is_null($id) || ($uri .= '/' . $id);
empty($args) || ($uri .= '?' . http_build_query($args, '', '&'));
return $uri;
}
