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<?php
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/**
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* @file
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* Flag module tokens support.
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*/
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/**
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* Implements of hook_token_info().
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*
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* The tokens we provide on generic entities require token module.
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*/
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function flag_token_info() {
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$types = array();
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$tokens = array();
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// Flag tokens.
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$types['flag'] = array(
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'name' => t('Flags'),
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'description' => t('Tokens related to flag data.'),
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'needs-data' => 'flag',
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);
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$tokens['flag']['name'] = array(
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'name' => t('Flag name'),
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'description' => t('The flag machine-readable name.'),
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);
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$tokens['flag']['title'] = array(
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'name' => t('Flag title'),
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'description' => t('The human-readable flag title.'),
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);
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// Flagging tokens.
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//
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// Attached fields are exposed as tokens via some contrib module, but we
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// need to expose other fields ourselves. Currently, 'date' is the only such
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// field we expose.
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$types['flagging'] = array(
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'name' => t('Flaggings'),
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'description' => t('Tokens related to flaggings.'),
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'needs-data' => 'flagging',
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);
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$tokens['flagging']['date'] = array(
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'name' => t('Flagging date'),
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'description' => t('The date an item was flagged.'),
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'type' => 'date',
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);
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// Flag action tokens.
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$types['flag-action'] = array(
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'name' => t('Flag actions'),
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'description' => t('Tokens available in response to a flag action being executed by a user.'),
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'needs-data' => 'flag-action',
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);
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$tokens['flag-action']['action'] = array(
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'name' => t('Flag action'),
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'description' => t('The flagging action taking place, either "flag" or "unflag".'),
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);
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$tokens['flag-action']['entity-url'] = array(
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'name' => t('Flag entity URL'),
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'description' => t('The URL of the entity being flagged.'),
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);
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$tokens['flag-action']['entity-title'] = array(
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'name' => t('Flag entity title'),
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'description' => t('The title of the entity being flagged.'),
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);
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$tokens['flag-action']['entity-type'] = array(
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'name' => t('Flag entity type'),
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'description' => t('The type of entity being flagged, such as <em>node</em> or <em>comment</em>.'),
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);
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$tokens['flag-action']['entity-id'] = array(
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'name' => t('Flag entity ID'),
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'description' => t('The ID of entity being flagged, such as a nid or cid.'),
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);
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$tokens['flag-action']['count'] = array(
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'name' => t('Flag count'),
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'description' => t('The current count total for this flag.'),
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);
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// Add tokens for the flag count available at the entity level.
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// These require token module because we need its helper data and functions
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// to deal with token types that are not the same as the entity types they are
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// for (in particular, terms and vocabularies).
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if (module_exists('token')) {
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$entity_info = entity_get_info();
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foreach (flag_get_types() as $flag_type) {
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// The flag type is the entity type, but this is not necessarily the same
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// as the entity's token type.
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$token_type = $entity_info[$flag_type]['token type'];
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$flags = flag_get_flags($flag_type);
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foreach ($flags as $flag) {
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$tokens[$token_type]['flag-' . str_replace('_', '-', $flag->name) . '-count'] = array(
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'name' => t('@flag flag count', array('@flag' => $flag->get_title())),
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'description' => t('Total flag count for flag @flag', array('@flag' => $flag->get_title())),
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'flag-type' => $flag_type,
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);
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$tokens[$token_type]['flag-' . str_replace('_', '-', $flag->name) . '-link'] = array(
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'name' => t('@flag flag link', array('@flag' => $flag->get_title())),
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'description' => t('Flag/unflag link for @flag', array('@flag' => $flag->get_title())),
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'flag-type' => $flag_type,
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);
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}
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}
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}
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return array(
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'types' => $types,
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'tokens' => $tokens,
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);
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}
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/**
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* Implements hook_tokens().
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*/
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function flag_tokens($type, $tokens, array $data = array(), array $options = array()) {
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$replacements = array();
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$sanitize = !empty($options['sanitize']);
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$langcode = isset($options['language']) ? $options['language']->language : NULL;
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if ($type == 'flag' && !empty($data['flag'])) {
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$flag = $data['flag'];
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foreach ($tokens as $name => $original) {
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switch ($name) {
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case 'name':
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$replacements[$original] = $sanitize ? check_plain($flag->name) : $flag->name;
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break;
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case 'title':
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$replacements[$original] = $sanitize ? check_plain($flag->get_title()) : $flag->get_title();
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break;
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}
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}
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}
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elseif ($type == 'flagging' && !empty($data['flagging'])) {
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$flagging = $data['flagging'];
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foreach ($tokens as $name => $original) {
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switch ($name) {
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case 'date':
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$replacements[$original] = format_date($flagging->timestamp, 'medium', '', NULL, $langcode);
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break;
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}
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}
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if ($date_tokens = token_find_with_prefix($tokens, 'date')) {
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$replacements += token_generate('date', $date_tokens, array('date' => $flagging->timestamp), $options);
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}
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}
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elseif ($type == 'flag-action' && !empty($data['flag-action'])) {
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$action = $data['flag-action'];
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foreach ($tokens as $name => $original) {
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switch ($name) {
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case 'action':
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$replacements[$original] = $action->action;
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break;
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case 'entity-url':
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$replacements[$original] = $sanitize ? check_url($action->entity_url) : $action->entity_url;
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break;
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case 'entity-title':
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$replacements[$original] = $sanitize ? check_plain($action->entity_title) : $action->entity_title;
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break;
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case 'entity-type':
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$replacements[$original] = $action->entity_type;
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break;
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case 'entity-id':
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$replacements[$original] = $action->entity_id;
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break;
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case 'count':
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$replacements[$original] = $action->count;
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break;
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}
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}
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}
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// We only provide tokens on entity types if we have token module's helper
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// methods available.
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if (isset($data[$type]) && module_exists('token')) {
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$entity_type = token_get_entity_mapping('token', $type);
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if ($entity_type && in_array($entity_type, flag_get_types())) {
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$flags = flag_get_flags($entity_type);
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$object = $data[$type];
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foreach ($flags as $flag) {
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foreach ($tokens as $name => $original) {
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$flag_count_token = 'flag-' . str_replace('_', '-', $flag->name) . '-count';
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$flag_link_token = 'flag-' . str_replace('_', '-', $flag->name) . '-link';
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if ($name == $flag_count_token) {
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$replacements[$original] = $flag->get_count($flag->get_entity_id($object));
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}
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elseif ($name == $flag_link_token) {
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$replacements[$original] = flag_create_link($flag->name, $flag->get_entity_id($object));
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}
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}
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}
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}
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}
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return $replacements;
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}
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/**
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* Returns HTML for a tokens browser.
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*
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* @param $variables
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* An associative array containing:
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* - types: An array naming the types of tokens to show.
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* - global_types: Whether to show global tokens.
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*/
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function theme_flag_tokens_browser($variables) {
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$types = $variables['types'];
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$global_types = $variables['global_types'];
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if (module_exists('token')) {
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return theme('token_tree', array('token_types' => $types, 'global_types' => $global_types));
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}
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else {
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return '<p><em>' . t("Note: You don't have the <a href='@token-url'>Token</a> module installed, so the list of available tokens isn't shown here. You don't have to install <a href='@token-url'>Token</a> to be able to use tokens, but if you have it installed, and enabled, you'll be able to enjoy an interactive tokens browser.", array('@token-url' => 'http://drupal.org/project/token')) . '</em></p>';
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}
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}
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