/**
* {@inheritdoc}
*/
public function getTitle(Request $request, Route $route)
{
$route_title = NULL;
// A dynamic title takes priority. Route::getDefault() returns NULL if the
// named default is not set. By testing the value directly, we also avoid
// trying to use empty values.
if ($callback = $route->getDefault('_title_callback')) {
$callable = $this->controllerResolver->getControllerFromDefinition($callback);
$arguments = $this->controllerResolver->getArguments($request, $callable);
$route_title = call_user_func_array($callable, $arguments);
} elseif ($title = $route->getDefault('_title')) {
$options = array();
if ($context = $route->getDefault('_title_context')) {
$options['context'] = $context;
}
$args = array();
if ($raw_parameters = $request->attributes->get('_raw_variables')) {
foreach ($raw_parameters->all() as $key => $value) {
$args['@' . $key] = $value;
$args['%' . $key] = $value;
}
}
if ($title_arguments = $route->getDefault('_title_arguments')) {
$args = array_merge($args, (array) $title_arguments);
}
// Fall back to a static string from the route.
$route_title = $this->t($title, $args, $options);
}
return $route_title;
}
/**
* Returns the result of invoking the sub-controller.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object.
* @param mixed $controller_definition
* A controller definition string, or a callable object/closure.
*
* @return mixed
* The result of invoking the controller. Render arrays, strings, HtmlPage,
* and HtmlFragment objects are possible.
*/
public function getContentResult(Request $request, $controller_definition)
{
if ($controller_definition instanceof \Closure) {
$callable = $controller_definition;
} else {
$callable = $this->controllerResolver->getControllerFromDefinition($controller_definition);
}
$arguments = $this->controllerResolver->getArguments($request, $callable);
$page_content = call_user_func_array($callable, $arguments);
return $page_content;
}
/**
* {@inheritdoc}
*/
public function getTitle(LocalTaskInterface $local_task)
{
$controller = array($local_task, 'getTitle');
$request = $this->requestStack->getCurrentRequest();
$arguments = $this->controllerResolver->getArguments($request, $controller);
return call_user_func_array($controller, $arguments);
}
/**
* Invokes the form and returns the result.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object.
*
* @return array
* The render array that results from invoking the controller.
*/
public function getContentResult(Request $request)
{
$form_object = $this->getFormObject($request, $this->formDefinition);
// Add the form and form_state to trick the getArguments method of the
// controller resolver.
$form_state = array();
$request->attributes->set('form', array());
$request->attributes->set('form_state', $form_state);
$args = $this->controllerResolver->getArguments($request, array($form_object, 'buildForm'));
$request->attributes->remove('form');
$request->attributes->remove('form_state');
// Remove $form and $form_state from the arguments, and re-index them.
unset($args[0], $args[1]);
$form_state['build_info']['args'] = array_values($args);
return $this->formBuilder->buildForm($form_object, $form_state);
}
/**
* Invokes the form and returns the result.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object.
* @param \Drupal\Core\Routing\RouteMatchInterface $route_match
* The route match.
*
* @return array
* The render array that results from invoking the controller.
*/
public function getContentResult(Request $request, RouteMatchInterface $route_match)
{
$form_arg = $this->getFormArgument($route_match);
$form_object = $this->getFormObject($route_match, $form_arg);
// Add the form and form_state to trick the getArguments method of the
// controller resolver.
$form_state = new FormState();
$request->attributes->set('form', []);
$request->attributes->set('form_state', $form_state);
$args = $this->controllerResolver->getArguments($request, [$form_object, 'buildForm']);
$request->attributes->remove('form');
$request->attributes->remove('form_state');
// Remove $form and $form_state from the arguments, and re-index them.
unset($args[0], $args[1]);
$form_state->addBuildInfo('args', array_values($args));
return $this->formBuilder->buildForm($form_object, $form_state);
}
/**
* Ensures bubbleable metadata from early rendering is not lost.
*
* @param \Symfony\Component\HttpKernel\Event\FilterControllerEvent $event
* The controller event.
*/
public function onController(FilterControllerEvent $event)
{
$controller = $event->getController();
// See \Symfony\Component\HttpKernel\HttpKernel::handleRaw().
$arguments = $this->controllerResolver->getArguments($event->getRequest(), $controller);
$event->setController(function () use($controller, $arguments) {
return $this->wrapControllerExecutionInRenderContext($controller, $arguments);
});
}
