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- <?php
- /**
- * @file
- * Custom tokens for Metatag.
- */
- /**
- * Implements hook_token_info().
- */
- function metatag_token_info() {
- $info = array();
- $info['types']['metatag'] = array(
- 'name' => t('Meta tags'),
- 'description' => t('Generated by the Metatag module, may not be used to fill in other meta tags.'),
- );
- $metatag_info = metatag_get_info();
- foreach($metatag_info['tags'] as $value) {
- $info['tokens']['metatag'][$value['name']] = array(
- 'name' => $value['label'],
- 'description' => $value['description']
- );
- }
- if (module_exists('taxonomy')) {
- $info['tokens']['term']['metatag'] = array(
- 'name' => t('Metatag.'),
- 'description' => t('Metatag.'),
- 'type' => 'metatag'
- );
- }
- if (module_exists('node')) {
- $info['tokens']['node']['metatag'] = array(
- 'name' => t('Metatag.'),
- 'description' => t('Metatag.'),
- 'type' => 'metatag'
- );
- }
- return $info;
- }
- /**
- * Implements hook_tokens().
- */
- function metatag_tokens($type, $tokens, array $data = array(), array $options = array()) {
- $replacements = array();
- $sanitize = !empty($options['sanitize']);
- // Metatag tokens.
- if ($type == 'metatag' && !empty($data['metatag'])) {
- $metatag = $data['metatag'];
- foreach ($tokens as $name => $original) {
- if(isset($metatag[$name])){
- $replacements[$original] = $sanitize ? filter_xss($metatag[$name]) : $metatag[$name];
- }
- }
- }
- // Token tokens.
- if ($type == 'term' && !empty($data['term'])) {
- $term = $data['term'];
- if ($metatag_tokens = token_find_with_prefix($tokens, 'metatag')) {
- $result = metatag_token_generate_array($term, 'taxonomy_term', $term->vocabulary_machine_name);
- $replacements += token_generate('metatag', $metatag_tokens, array('metatag' => $result), $options);
- }
- }
- // Node tokens.
- if ($type == 'node' && !empty($data['node'])) {
- $node = $data['node'];
- if ($metatag_tokens = token_find_with_prefix($tokens, 'metatag')) {
- $result = metatag_token_generate_array($node, 'node', $node->type);
- $replacements += token_generate('metatag', $metatag_tokens, array('metatag' => $result), $options);
- }
- }
- return $replacements;
- }
- /**
- * Implements hook_tokens_alter().
- *
- * Fix [node:summary] until http://drupal.org/node/1295524 is committed, this
- * code is retrofitted from the patches in that issue.
- */
- function metatag_tokens_alter(array &$replacements, array $context) {
- // Only proceed if this is working on a node.
- if ($context['type'] == 'node' && !empty($context['data']['node'])) {
- // Loop through each of the tokens.
- foreach ($context['tokens'] as $name => $original) {
- // Only deal with the 'node:summary' token, that's the one being fixed.
- if ($name == 'summary') {
- // A shortcut to the node being processed.
- $node = $context['data']['node'];
- // Work out the langcode being used.
- if (isset($context['options']['language'])) {
- $langcode = $context['options']['language']->language;
- }
- else {
- $langcode = NULL;
- }
- // Decide whether the string needs to be sanitized.
- $sanitize = !empty($context['options']['sanitize']);
- if ($items = field_get_items('node', $node, 'body', $langcode)) {
- $instance = field_info_instance('node', 'body', $node->type);
- $field_langcode = field_language('node', $node, 'body', $langcode);
- // If the summary is not empty, use it.
- if (!empty($items[0]['summary'])) {
- $output = $sanitize ? _text_sanitize($instance, $field_langcode, $items[0], 'summary') : $items[0]['summary'];
- }
- // Attempt to provide a suitable version of the 'body' field.
- else {
- $output = $sanitize ? _text_sanitize($instance, $field_langcode, $items[0], 'value') : $items[0]['value'];
- // A summary was requested.
- if ($name == 'summary') {
- if (isset($instance['display']['teaser']['settings']['trim_length'])) {
- $trim_length = $instance['display']['teaser']['settings']['trim_length'];
- }
- else {
- // Use default value.
- $trim_length = NULL;
- }
- // Generate an optionally trimmed summary of the body field.
- $output = text_summary($output, $instance['settings']['text_processing'] ? $items[0]['format'] : NULL, $trim_length);
- }
- }
- // Override the original value.
- $replacements[$original] = $output;
- }
- }
- }
- }
- }
- /**
- * Generate an array of meta tags for a given entity.
- */
- function metatag_token_generate_array($entity, $entity_type, $bundle) {
- if (metatag_entity_supports_metatags($entity_type, $bundle)) {
- $token_type = token_get_entity_mapping('entity', $entity_type);
- $instance = "{$entity_type}:{$bundle}";
- $options = array();
- $options['token data'][$token_type] = $entity;
- $options['entity'] = $entity;
- $metatags = isset($entity->metatags) ? $entity->metatags : array();
- $metatags += metatag_config_load_with_defaults($instance);
- $result = array();
- foreach ($metatags as $metatag => $data) {
- if ($metatag_instance = metatag_get_instance($metatag, $data)) {
- $result[$metatag] = $metatag_instance->getValue($options);
- }
- }
- return $result;
- }
- return NULL;
- }
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