/**
* Page callback to output a token tree as an empty page.
*/
function outputTree(Request $request)
{
$options = $request->query->has('options') ? Json::decode($request->query->get('options')) : [];
// The option token_types may only be an array OR 'all'. If it is not set,
// we assume that only global token types are requested.
$token_types = !empty($options['token_types']) ? $options['token_types'] : [];
if ($token_types == 'all') {
$build = $this->treeBuilder->buildAllRenderable($options);
} else {
$build = $this->treeBuilder->buildRenderable($token_types, $options);
}
$build['#cache']['contexts'][] = 'url.query_args:options';
$build['#title'] = $this->t('Available tokens');
return $build;
}
