public function execute($sub)
{
global $wgOut, $wgScriptPath, $wgUser, $wgRequest;
// Checks if the user is logged in
if (!$wgUser->isLoggedIn()) {
// Lets them know they need to
$wgOut->loginToUse();
// Returns true so MediaWiki can move on
return true;
}
// Gets user rights
self::$rights = $wgUser->getRights();
if (!self::userCan('view')) {
$wgOut->permissionRequired('datacenter-view');
return true;
}
// Keeps some state between pages
self::loadState();
// Begins output
$this->setHeaders();
// Checks if the path is empty
if ($sub == '') {
// Uses the first page in the array as a default
$sub = current(array_keys(self::$pages));
}
// Gets path from sub
$path = self::subToPath($sub);
// Verifies page name and parameters
if (isset(self::$pages[$path['page']])) {
// Makes shortcut to page classes
$pageClasses = self::$pages[$path['page']];
// Makes shortcut to controller class
$controllerClass = $pageClasses['controller'];
// Verifies existence of page class
if (class_exists($controllerClass)) {
// Creates instance of page class
$controller = new $controllerClass($path);
// Checks if the view is empty
if ($path['action'] === null) {
// Uses default action
$path['action'] = 'main';
}
// Checks if the type is empty
if ($path['type'] === null) {
// Checks if default type is available
if (isset(self::$pages[$path['page']]['default'])) {
// Uses default type
$path['type'] = self::$pages[$path['page']]['default'];
}
}
// Verifies instance inherited the correct parent class
if ($controller instanceof DataCenterController) {
// Verifies the current edit token matches any passed token
$token = $wgRequest->getText('token');
if ($wgUser->matchEditToken($token)) {
// Gets the action to be performed
$do = $wgRequest->getText('do');
// Verifies handler is not the instance's constructor and
// that action exists in the instance
if ($do !== '__constructor' && is_callable(array($controllerClass, $do))) {
if ($wgRequest->getCheck('cancel')) {
// Redirects to success URL without acting
$wgOut->redirect($wgRequest->getText('cancellation'));
} else {
// Gets submitted data
$data = array('row' => $wgRequest->getArray('row'), 'meta' => $wgRequest->getArray('meta'), 'change' => $wgRequest->getArray('change'));
// Delegates handling of form submissions
$status = $controller->{$do}($data, $path['type']);
// Checks if status is not null
if ($status !== null) {
// Redirects to success or failure URL
$wgOut->redirect($wgRequest->getText($status ? 'success' : 'failure'));
}
}
}
}
// Sets destinations for menus
DataCenterUI::setDestinations(self::$pages, $controller, $path);
$viewClass = null;
// Checks if specialized view exists
if (isset($pageClasses['types'][$path['type']])) {
// Uses specialized view
$viewClass = $pageClasses['types'][$path['type']];
// Verifies specialized view can handle action
$renderFunction = array($viewClass, $path['action']);
if (!is_callable($renderFunction)) {
$viewClass = null;
}
}
// Checks if a view class has been not selected yet
if (!$viewClass) {
// Uses generic view
$viewClass = $pageClasses['view'];
// Verifies generic view can handle action
$renderFunction = array($viewClass, $path['action']);
if (!is_callable($renderFunction)) {
$viewClass = null;
}
}
// Verifies page user interface class exists
if ($viewClass && class_exists($viewClass)) {
// Creates instance of page user interface class
$view = new $viewClass($controller);
// Verifies the action is not the instance's constructor
if ($path['action'] !== '__constructor') {
// Renders view of instance
$renderFunction = array($view, $path['action']);
DataCenterUI::addContent(call_user_func($renderFunction, $path));
}
}
}
}
}
DataCenterUI::render();
// Keeps some state between pages
self::saveState();
}