--- /dev/null
+<?php
+
+namespace Drupal\token;
+
+use Drupal\Core\Cache\Cache;
+use Drupal\Core\Cache\CacheBackendInterface;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\Render\BubbleableMetadata;
+
+class TreeBuilder implements TreeBuilderInterface {
+
+ /**
+ * @var \Drupal\token\Token
+ */
+ protected $tokenService;
+
+ /**
+ * @var \Drupal\token\TokenEntityMapperInterface
+ */
+ protected $entityMapper;
+
+ /**
+ * @var \Drupal\Core\Language\LanguageManagerInterface
+ */
+ protected $languageManager;
+
+ /**
+ * @var \Drupal\Core\Cache\CacheBackendInterface
+ */
+ protected $cacheBackend;
+
+ /**
+ * Cache already built trees.
+ *
+ * @var array
+ */
+ protected $builtTrees;
+
+ public function __construct(TokenInterface $token_service, TokenEntityMapperInterface $entity_mapper, CacheBackendInterface $cache_backend, LanguageManagerInterface $language_manager) {
+ $this->tokenService = $token_service;
+ $this->entityMapper = $entity_mapper;
+ $this->cacheBackend = $cache_backend;
+ $this->languageManager = $language_manager;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildRenderable(array $token_types, array $options = []) {
+ // Set default options.
+ $options += [
+ 'global_types' => TRUE,
+ 'click_insert' => TRUE,
+ 'show_restricted' => FALSE,
+ 'show_nested' => FALSE,
+ 'recursion_limit' => 3,
+ ];
+
+ $info = $this->tokenService->getInfo();
+ if ($options['global_types']) {
+ $token_types = array_merge($token_types, $this->tokenService->getGlobalTokenTypes());
+ }
+
+ $element = array(
+ /*'#cache' => array(
+ 'cid' => 'tree-rendered:' . hash('sha256', serialize(array('token_types' => $token_types, 'global_types' => NULL) + $variables)),
+ 'tags' => array(Token::TOKEN_INFO_CACHE_TAG),
+ ),*/
+ );
+
+ // @todo Find a way to use the render cache for this.
+ /*if ($cached_output = token_render_cache_get($element)) {
+ return $cached_output;
+ }*/
+
+ $tree_options = [
+ 'flat' => TRUE,
+ 'restricted' => $options['show_restricted'],
+ 'nested' => $options['show_nested'],
+ 'depth' => $options['recursion_limit'],
+ ];
+
+ $token_tree = [];
+ foreach ($info['types'] as $type => $type_info) {
+ if (!in_array($type, $token_types)) {
+ continue;
+ }
+
+ $token_tree[$type] = $type_info;
+ $token_tree[$type]['tokens'] = $this->buildTree($type, $tree_options);
+ }
+
+ $element += [
+ '#type' => 'token_tree_table',
+ '#token_tree' => $token_tree,
+ '#show_restricted' => $options['show_restricted'],
+ '#show_nested' => $options['show_nested'],
+ '#click_insert' => $options['click_insert'],
+ '#columns' => ['name', 'token', 'description'],
+ '#empty' => t('No tokens available'),
+ ];
+
+ return $element;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildAllRenderable(array $options = []) {
+ $info = $this->tokenService->getInfo();
+ $token_types = array_keys($info['types']);
+
+ // Disable merging in global types as we will be adding in all token types
+ // explicitly. There is no difference in leaving this set to TRUE except for
+ // an additional method call which is unnecessary.
+ $options['global_types'] = FALSE;
+ return $this->buildRenderable($token_types, $options);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildTree($token_type, array $options = []) {
+ $options += [
+ 'restricted' => FALSE,
+ 'depth' => 4,
+ 'data' => [],
+ 'values' => FALSE,
+ 'flat' => FALSE,
+ ];
+
+ // Do not allow past the maximum token information depth.
+ $options['depth'] = min($options['depth'], static::MAX_DEPTH);
+
+ // If $token_type is an entity, make sure we are using the actual token type.
+ if ($entity_token_type = $this->entityMapper->getTokenTypeForEntityType($token_type)) {
+ $token_type = $entity_token_type;
+ }
+
+ $langcode = $this->languageManager->getCurrentLanguage()->getId();
+ $tree_cid = "token_tree:{$token_type}:{$langcode}:{$options['depth']}";
+
+ // If we do not have this base tree in the static cache, check the cache
+ // otherwise generate and store it in the cache.
+ if (!isset($this->builtTrees[$tree_cid])) {
+ if ($cache = $this->cacheBackend->get($tree_cid)) {
+ $this->builtTrees[$tree_cid] = $cache->data;
+ }
+ else {
+ $options['parents'] = [];
+ $this->builtTrees[$tree_cid] = $this->getTokenData($token_type, $options);
+ $this->cacheBackend->set($tree_cid, $this->builtTrees[$tree_cid], Cache::PERMANENT, [Token::TOKEN_INFO_CACHE_TAG]);
+ }
+ }
+
+ $tree = $this->builtTrees[$tree_cid];
+
+ // If the user has requested a flat tree, convert it.
+ if (!empty($options['flat'])) {
+ $tree = $this->flattenTree($tree);
+ }
+
+ // Fill in token values.
+ if (!empty($options['values'])) {
+ $token_values = [];
+ foreach ($tree as $token => $token_info) {
+ if (!empty($token_info['dynamic']) || !empty($token_info['restricted'])) {
+ continue;
+ }
+ elseif (!isset($token_info['value'])) {
+ $token_values[$token_info['token']] = $token;
+ }
+ }
+ if (!empty($token_values)) {
+ $token_values = $this->tokenService->generate($token_type, $token_values, $options['data'], [], new BubbleableMetadata());
+ foreach ($token_values as $token => $replacement) {
+ $tree[$token]['value'] = $replacement;
+ }
+ }
+ }
+
+ return $tree;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function flattenTree(array $tree) {
+ $result = [];
+ foreach ($tree as $token => $token_info) {
+ $result[$token] = $token_info;
+ if (isset($token_info['children']) && is_array($token_info['children'])) {
+ $result += $this->flattenTree($token_info['children']);
+ }
+ }
+ return $result;
+ }
+
+ /**
+ * Generate a token tree.
+ *
+ * @param string $token_type
+ * The token type.
+ * @param array $options
+ * An associative array of additional options. See documentation for
+ * TreeBuilderInterface::buildTree() for more information.
+ *
+ * @return array
+ * The token data for the specified $token_type.
+ *
+ * @internal
+ */
+ protected function getTokenData($token_type, array $options) {
+ $options += [
+ 'parents' => [],
+ ];
+
+ $info = $this->tokenService->getInfo();
+ if ($options['depth'] <= 0 || !isset($info['types'][$token_type]) || !isset($info['tokens'][$token_type])) {
+ return [];
+ }
+
+ $tree = [];
+ foreach ($info['tokens'][$token_type] as $token => $token_info) {
+ // Build the raw token string.
+ $token_parents = $options['parents'];
+ if (empty($token_parents)) {
+ // If the parents array is currently empty, assume the token type is its
+ // parent.
+ $token_parents[] = $token_type;
+ }
+ elseif (in_array($token, array_slice($token_parents, 1), TRUE)) {
+ // Prevent duplicate recursive tokens. For example, this will prevent
+ // the tree from generating the following tokens or deeper:
+ // [comment:parent:parent]
+ // [comment:parent:root:parent]
+ continue;
+ }
+
+ $token_parents[] = $token;
+ if (!empty($token_info['dynamic'])) {
+ $token_parents[] = '?';
+ }
+ $raw_token = '[' . implode(':', $token_parents) . ']';
+ $tree[$raw_token] = $token_info;
+ $tree[$raw_token]['raw token'] = $raw_token;
+
+ // Add the token's real name (leave out the base token type).
+ $tree[$raw_token]['token'] = implode(':', array_slice($token_parents, 1));
+
+ // Add the token's parent as its raw token value.
+ if (!empty($options['parents'])) {
+ $tree[$raw_token]['parent'] = '[' . implode(':', $options['parents']) . ']';
+ }
+
+ // Fetch the child tokens.
+ if (!empty($token_info['type'])) {
+ $child_options = $options;
+ $child_options['depth']--;
+ $child_options['parents'] = $token_parents;
+ $tree[$raw_token]['children'] = $this->getTokenData($token_info['type'], $child_options);
+ }
+ }
+
+ return $tree;
+ }
+}
projects / yaffs-website / blobdiff