t('Comment teaser'), 'description' => t('Display a comment teaser.'), ); $info['tokens']['node']['node-teaser'] = array( 'name' => t('Node teaser'), 'description' => t('Display a node teaser.'), ); return $info; } /** * Implements hook_tokens(). */ function message_example_tokens($type, $tokens, array $data = array(), array $options = array()) { $replacements = array(); // Only handeling comment and nodes. if (!in_array($type, array('comment', 'node'))) { return; } foreach ($tokens as $name => $original) { // Only hadeling "node/ comment teaser" tokens. if (!in_array($name, array('comment-teaser', 'node-teaser'))) { continue; } $replacements[$original] = message_example_trim_body($type, $data[$type]); } return $replacements; } /** * Trim the body field for a node/ comment. * * @param $entity_type * The entity type (node or comment). * @param $entity * The entity object. * * @return * Body field text trimmed to 50 chars, with a "...Read more" suffix. */ function message_example_trim_body($entity_type, $entity) { $wrapper = entity_metadata_wrapper($entity_type, $entity); // Select the right field acoring to the entity type. $field_name = $entity_type == 'node' ? 'body' : 'comment_body'; $field_value = $wrapper->{$field_name}->value(); if (!$field_value) { return; } // Get the safe value. $field_value = $wrapper->{$field_name}->value->value(); $options = array( 'max_length' => 50, 'html' => TRUE, ); $trim_text = views_trim_text($options, $field_value); // Checking if we need to add the "Read more" link. if ($field_value != $trim_text) { $uri = entity_uri($entity_type, $entity); // Add a "Read more" before the closing

. $trim_text = substr_replace($trim_text, '... ' . l(t('Read more'), $uri['path'], $uri['options']) . '

', -4); } return $trim_text; }