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<?php
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/**
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* @file
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* Provides various callbacks for the whole core module integration.
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*/
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/**
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* Callback for getting properties of an entity.
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*/
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function entity_metadata_entity_get_properties($entity, array $options, $name, $entity_type) {
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if ($name == 'url') {
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$return = entity_uri($entity_type, $entity);
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return url($return['path'], $return['options'] + $options);
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}
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}
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/**
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* Callback for getting book node properties.
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* @see entity_metadata_book_entity_info_alter()
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*/
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function entity_metadata_book_get_properties($node, array $options, $name, $entity_type) {
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if (!isset($node->book['bid'])) {
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throw new EntityMetadataWrapperException('This node is no book page.');
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}
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switch ($name) {
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case 'book':
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return $node->book['bid'];
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case 'book_ancestors':
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$ancestors = array();
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while (!empty($node->book['plid'])) {
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$link = book_link_load($node->book['plid']);
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array_unshift($ancestors, $link['nid']);
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$node = node_load($link['nid']);
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}
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return $ancestors;
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}
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}
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/**
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* Callback for getting comment properties.
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* @see entity_metadata_comment_entity_info_alter()
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*/
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function entity_metadata_comment_get_properties($comment, array $options, $name) {
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46
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switch ($name) {
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case 'name':
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return $comment->name;
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49
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case 'mail':
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if ($comment->uid != 0) {
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$account = user_load($comment->uid);
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return $account->mail;
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}
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return $comment->mail;
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case 'edit_url':
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return url('comment/edit/' . $comment->cid, $options);
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case 'parent':
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if (!empty($comment->pid)) {
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return $comment->pid;
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}
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// There is no parent comment.
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return NULL;
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}
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}
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/**
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* Callback for setting comment properties.
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* @see entity_metadata_comment_entity_info_alter()
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*/
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function entity_metadata_comment_setter($comment, $name, $value) {
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switch ($name) {
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case 'node':
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$comment->nid = $value;
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// Also set the bundle name.
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$node = node_load($value);
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$comment->node_type = 'comment_node_' . $node->type;
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break;
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}
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}
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/**
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* Callback for getting comment related node properties.
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* @see entity_metadata_comment_entity_info_alter()
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*/
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function entity_metadata_comment_get_node_properties($node, array $options, $name, $entity_type) {
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switch ($name) {
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case 'comment_count':
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return isset($node->comment_count) ? $node->comment_count : 0;
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case 'comment_count_new':
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return comment_num_new($node->nid);
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}
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}
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/**
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* Getter callback for getting global languages.
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*/
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function entity_metadata_locale_get_languages($data, array $options, $name) {
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return isset($GLOBALS[$name]) ? $GLOBALS[$name]->language : NULL;
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}
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/**
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* Getter callback for getting the preferred user language.
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*/
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function entity_metadata_locale_get_user_language($account, array $options, $name) {
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return user_preferred_language($account)->language;
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}
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/**
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* Return the options lists for the node and comment status property.
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*/
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function entity_metadata_status_options_list() {
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return array(
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NODE_PUBLISHED => t('Published'),
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NODE_NOT_PUBLISHED => t('Unpublished'),
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);
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}
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/**
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* Callback for getting node properties.
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*
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* @see entity_metadata_node_entity_info_alter()
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*/
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function entity_metadata_node_get_properties($node, array $options, $name, $entity_type) {
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switch ($name) {
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case 'is_new':
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return empty($node->nid) || !empty($node->is_new);
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case 'source':
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if (!empty($node->tnid) && $source = node_load($node->tnid)) {
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return $source;
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}
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return NULL;
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case 'edit_url':
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return url('node/' . $node->nid . '/edit', $options);
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case 'author':
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return !empty($node->uid) ? $node->uid : drupal_anonymous_user();
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}
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}
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/**
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* Callback for determing access for node revision related properties.
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*/
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function entity_metadata_node_revision_access($op, $name, $entity = NULL, $account = NULL) {
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return $op == 'view' ? user_access('view revisions', $account) : user_access('administer nodes', $account);
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}
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/**
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* Callback for getting poll properties.
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* @see entity_metadata_poll_entity_info_alter()
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*/
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function entity_metadata_poll_node_get_properties($node, array $options, $name) {
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$total_votes = $highest_votes = 0;
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foreach ($node->choice as $choice) {
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if ($choice['chvotes'] > $highest_votes) {
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$winner = $choice;
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$highest_votes = $choice['chvotes'];
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}
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$total_votes = $total_votes + $choice['chvotes'];
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}
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if ($name == 'poll_duration') {
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return $node->runtime;
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}
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elseif ($name == 'poll_votes') {
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return $total_votes;
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}
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elseif (!isset($winner)) {
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// There is no poll winner yet.
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return NULL;
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}
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switch ($name) {
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case 'poll_winner_votes':
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return $winner['chvotes'];
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case 'poll_winner':
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return $winner['chtext'];
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case 'poll_winner_percent':
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return ($winner['chvotes'] / $total_votes) * 100;
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}
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}
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/**
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* Callback for getting statistics properties.
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* @see entity_metadata_statistics_entity_info_alter()
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*/
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function entity_metadata_statistics_node_get_properties($node, array $options, $name) {
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$statistics = (array) statistics_get($node->nid);
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$statistics += array('totalcount' => 0, 'daycount' => 0, 'timestamp' => NULL);
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switch ($name) {
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case 'views':
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return $statistics['totalcount'];
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case 'day_views':
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return $statistics['daycount'];
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case 'last_view':
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return $statistics['timestamp'];
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}
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}
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/**
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* Access callback for restricted node statistics properties.
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*/
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function entity_metadata_statistics_properties_access($op, $property, $entity = NULL, $account = NULL) {
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if ($property == 'views' && user_access('view post access counter', $account)) {
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return TRUE;
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}
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return user_access('access statistics', $account);
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}
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/**
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* Callback for getting site-wide properties.
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* @see entity_metadata_system_entity_info_alter()
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*/
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function entity_metadata_system_get_properties($data = FALSE, array $options, $name) {
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switch ($name) {
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case 'name':
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return variable_get('site_name', 'Drupal');
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case 'url':
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return url('<front>', $options);
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case 'login_url':
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return url('user', $options);
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case 'current_user':
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return $GLOBALS['user']->uid ? $GLOBALS['user']->uid : drupal_anonymous_user();
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case 'current_date':
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return REQUEST_TIME;
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case 'current_page':
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// Subsequent getters of the struct retrieve the actual values.
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return array();
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default:
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return variable_get('site_' . $name, '');
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}
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}
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/**
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* Callback for getting properties for the current page request.
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* @see entity_metadata_system_entity_info_alter()
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*/
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function entity_metadata_system_get_page_properties($data = array(), array $options, $name) {
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switch ($name) {
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case 'url':
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return $GLOBALS['base_root'] . request_uri();
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}
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}
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/**
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* Callback for getting file properties.
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* @see entity_metadata_system_entity_info_alter()
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*/
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function entity_metadata_system_get_file_properties($file, array $options, $name) {
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switch ($name) {
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case 'name':
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return $file->filename;
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case 'mime':
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return $file->filemime;
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case 'size':
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return $file->filesize;
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case 'url':
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return url(file_create_url($file->uri), $options);
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case 'owner':
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return $file->uid;
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}
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}
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282
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/**
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* Callback for getting term properties.
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285
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*
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* @see entity_metadata_taxonomy_entity_info_alter()
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*/
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function entity_metadata_taxonomy_term_get_properties($term, array $options, $name) {
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switch ($name) {
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case 'node_count':
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return count(taxonomy_select_nodes($term->tid));
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case 'description':
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return check_markup($term->description, isset($term->format) ? $term->format : NULL, '', TRUE);
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295
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case 'parent':
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if (isset($term->parent[0]) && !is_array(isset($term->parent[0]))) {
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return $term->parent;
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}
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return array_keys(taxonomy_get_parents($term->tid));
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301
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302
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case 'parents_all':
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// We have to return an array of ids.
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$tids = array();
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foreach (taxonomy_get_parents_all($term->tid) as $parent) {
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$tids[] = $parent->tid;
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}
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return $tids;
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}
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310
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}
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311
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|
312
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/**
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313
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* Callback for setting term properties.
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314
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*
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315
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* @see entity_metadata_taxonomy_entity_info_alter()
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316
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*/
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317
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function entity_metadata_taxonomy_term_setter($term, $name, $value) {
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318
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switch ($name) {
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319
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case 'vocabulary':
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320
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// Make sure to update the taxonomy bundle key, so load the vocabulary.
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// Support both, loading by name or ID.
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$vocabulary = is_numeric($value) ? taxonomy_vocabulary_load($value) : taxonomy_vocabulary_machine_name_load($value);
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$term->vocabulary_machine_name = $vocabulary->machine_name;
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return $term->vid = $vocabulary->vid;
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325
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case 'parent':
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326
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return $term->parent = $value;
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327
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}
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328
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}
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329
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330
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/**
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331
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* Callback for getting vocabulary properties.
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332
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* @see entity_metadata_taxonomy_entity_info_alter()
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333
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*/
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334
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function entity_metadata_taxonomy_vocabulary_get_properties($vocabulary, array $options, $name) {
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335
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switch ($name) {
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336
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case 'term_count':
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337
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$sql = "SELECT COUNT (1) FROM {taxonomy_term_data} td WHERE td.vid = :vid";
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338
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return db_query($sql, array(':vid' => $vocabulary->vid))->fetchField();
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339
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}
|
340
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}
|
341
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|
342
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/**
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343
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* Callback for getting user properties.
|
344
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* @see entity_metadata_user_entity_info_alter()
|
345
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*/
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346
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function entity_metadata_user_get_properties($account, array $options, $name, $entity_type) {
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347
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switch ($name) {
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348
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case 'last_access':
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349
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// In case there was no access the value is 0, but we have to return NULL.
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350
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return empty($account->access) ? NULL : $account->access;
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351
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|
352
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case 'last_login':
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353
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return empty($account->login) ? NULL : $account->login;
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354
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355
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case 'name':
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356
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return empty($account->uid) ? variable_get('anonymous', t('Anonymous')) : $account->name;
|
357
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|
358
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case 'url':
|
359
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if (empty($account->uid)) {
|
360
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return NULL;
|
361
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}
|
362
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$return = entity_uri('user', $account);
|
363
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return $return ? url($return['path'], $return['options'] + $options) : '';
|
364
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|
365
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case 'edit_url':
|
366
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return empty($account->uid) ? NULL : url("user/$account->uid/edit", $options);
|
367
|
|
368
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case 'roles':
|
369
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return isset($account->roles) ? array_keys($account->roles) : array();
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370
|
|
371
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case 'theme':
|
372
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return empty($account->theme) ? variable_get('theme_default', 'bartik') : $account->theme;
|
373
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}
|
374
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}
|
375
|
|
376
|
/**
|
377
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* Callback for setting user properties.
|
378
|
* @see entity_metadata_user_entity_info_alter()
|
379
|
*/
|
380
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function entity_metadata_user_set_properties($account, $name, $value) {
|
381
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switch ($name) {
|
382
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case 'roles':
|
383
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$account->roles = array_intersect_key(user_roles(), array_flip($value));
|
384
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break;
|
385
|
}
|
386
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}
|
387
|
|
388
|
/**
|
389
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* Options list callback returning all user roles.
|
390
|
*/
|
391
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function entity_metadata_user_roles($property_name = 'roles', $info = array(), $op = 'edit') {
|
392
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$roles = user_roles();
|
393
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if ($op == 'edit') {
|
394
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unset($roles[DRUPAL_AUTHENTICATED_RID], $roles[DRUPAL_ANONYMOUS_RID]);
|
395
|
}
|
396
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return $roles;
|
397
|
}
|
398
|
|
399
|
/**
|
400
|
* Return the options lists for user status property.
|
401
|
*/
|
402
|
function entity_metadata_user_status_options_list() {
|
403
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return array(
|
404
|
0 => t('Blocked'),
|
405
|
1 => t('Active'),
|
406
|
);
|
407
|
}
|
408
|
|
409
|
/**
|
410
|
* Callback defining an options list for language properties.
|
411
|
*/
|
412
|
function entity_metadata_language_list() {
|
413
|
$list = array();
|
414
|
$list[LANGUAGE_NONE] = t('Language neutral');
|
415
|
foreach (language_list() as $language) {
|
416
|
$list[$language->language] = $language->name;
|
417
|
}
|
418
|
return $list;
|
419
|
}
|
420
|
|
421
|
/**
|
422
|
* Callback for getting field property values.
|
423
|
*/
|
424
|
function entity_metadata_field_property_get($entity, array $options, $name, $entity_type, $info) {
|
425
|
$field = field_info_field($name);
|
426
|
$columns = array_keys($field['columns']);
|
427
|
$langcode = isset($options['language']) ? $options['language']->language : LANGUAGE_NONE;
|
428
|
$langcode = entity_metadata_field_get_language($entity_type, $entity, $field, $langcode, TRUE);
|
429
|
$values = array();
|
430
|
if (isset($entity->{$name}[$langcode])) {
|
431
|
foreach ($entity->{$name}[$langcode] as $delta => $data) {
|
432
|
$values[$delta] = $data[$columns[0]];
|
433
|
if ($info['type'] == 'boolean' || $info['type'] == 'list<boolean>') {
|
434
|
// Ensure that we have a clean boolean data type.
|
435
|
$values[$delta] = (boolean) $values[$delta];
|
436
|
}
|
437
|
}
|
438
|
}
|
439
|
// For an empty single-valued field, we have to return NULL.
|
440
|
return $field['cardinality'] == 1 ? ($values ? reset($values) : NULL) : $values;
|
441
|
}
|
442
|
|
443
|
/**
|
444
|
* Callback for setting field property values.
|
445
|
*/
|
446
|
function entity_metadata_field_property_set($entity, $name, $value, $langcode, $entity_type, $info) {
|
447
|
$field = field_info_field($name);
|
448
|
$columns = array_keys($field['columns']);
|
449
|
$langcode = entity_metadata_field_get_language($entity_type, $entity, $field, $langcode);
|
450
|
$values = $field['cardinality'] == 1 ? array($value) : (array) $value;
|
451
|
|
452
|
$items = array();
|
453
|
foreach ($values as $delta => $value) {
|
454
|
if (isset($value)) {
|
455
|
$items[$delta][$columns[0]] = $value;
|
456
|
if ($info['type'] == 'boolean' || $info['type'] == 'list<boolean>') {
|
457
|
// Convert boolean values back to an integer for writing.
|
458
|
$items[$delta][$columns[0]] = (integer) $items[$delta][$columns[0]] = $value;
|
459
|
}
|
460
|
}
|
461
|
}
|
462
|
$entity->{$name}[$langcode] = $items;
|
463
|
// Empty the static field language cache, so the field system picks up any
|
464
|
// possible new languages.
|
465
|
drupal_static_reset('field_language');
|
466
|
}
|
467
|
|
468
|
/**
|
469
|
* Callback returning the options list of a field.
|
470
|
*/
|
471
|
function entity_metadata_field_options_list($name, $info) {
|
472
|
$field_property_info = $info;
|
473
|
if (is_numeric($name) && isset($info['parent'])) {
|
474
|
// The options list is to be returned for a single item of a multiple field.
|
475
|
$field_property_info = $info['parent']->info();
|
476
|
$name = $field_property_info['name'];
|
477
|
}
|
478
|
if (($field = field_info_field($name)) && isset($field_property_info['parent'])) {
|
479
|
// Retrieve the wrapped entity holding the field.
|
480
|
$wrapper = $field_property_info['parent'];
|
481
|
try {
|
482
|
$entity = $wrapper->value();
|
483
|
}
|
484
|
catch (EntityMetadataWrapperException $e) {
|
485
|
// No data available.
|
486
|
$entity = NULL;
|
487
|
}
|
488
|
$instance = $wrapper->getBundle() ? field_info_instance($wrapper->type(), $name, $wrapper->getBundle()) : NULL;
|
489
|
return (array) module_invoke($field['module'], 'options_list', $field, $instance, $wrapper->type(), $entity);
|
490
|
}
|
491
|
}
|
492
|
|
493
|
/**
|
494
|
* Callback to verbatim get the data structure of a field. Useful for fields
|
495
|
* that add metadata for their own data structure.
|
496
|
*/
|
497
|
function entity_metadata_field_verbatim_get($entity, array $options, $name, $entity_type, &$context) {
|
498
|
// Set contextual info useful for getters of any child properties.
|
499
|
$context['instance'] = field_info_instance($context['parent']->type(), $name, $context['parent']->getBundle());
|
500
|
$context['field'] = field_info_field($name);
|
501
|
$langcode = isset($options['language']) ? $options['language']->language : LANGUAGE_NONE;
|
502
|
$langcode = entity_metadata_field_get_language($entity_type, $entity, $context['field'], $langcode, TRUE);
|
503
|
|
504
|
if ($context['field']['cardinality'] == 1) {
|
505
|
return isset($entity->{$name}[$langcode][0]) ? $entity->{$name}[$langcode][0] : NULL;
|
506
|
}
|
507
|
return isset($entity->{$name}[$langcode]) ? $entity->{$name}[$langcode] : array();
|
508
|
}
|
509
|
|
510
|
/**
|
511
|
* Writes the passed field items in the object. Useful as field level setter
|
512
|
* to set the whole data structure at once.
|
513
|
*/
|
514
|
function entity_metadata_field_verbatim_set($entity, $name, $items, $langcode, $entity_type) {
|
515
|
$field = field_info_field($name);
|
516
|
$langcode = entity_metadata_field_get_language($entity_type, $entity, $field, $langcode);
|
517
|
$value = $field['cardinality'] == 1 ? array($items) : (array) $items;
|
518
|
// Filter out any items set to NULL.
|
519
|
$entity->{$name}[$langcode] = array_filter($value);
|
520
|
|
521
|
// Empty the static field language cache, so the field system picks up any
|
522
|
// possible new languages.
|
523
|
drupal_static_reset('field_language');
|
524
|
}
|
525
|
|
526
|
/**
|
527
|
* Helper for determining the field language to be used.
|
528
|
*
|
529
|
* Note that we cannot use field_language() as we are not about to display
|
530
|
* values, but generally read/write values.
|
531
|
*
|
532
|
* @param $fallback
|
533
|
* (optional) Whether to fall back to the entity default language, if no
|
534
|
* value is available for the given language code yet.
|
535
|
*
|
536
|
* @return
|
537
|
* The language code to use.
|
538
|
*/
|
539
|
function entity_metadata_field_get_language($entity_type, $entity, $field, $langcode = LANGUAGE_NONE, $fallback = FALSE) {
|
540
|
// Try to figure out the default language used by the entity.
|
541
|
// With Drupal >= 7.15 we can use entity_language().
|
542
|
if (function_exists('entity_language')) {
|
543
|
$default_langcode = entity_language($entity_type, $entity);
|
544
|
}
|
545
|
else {
|
546
|
$default_langcode = !empty($entity->language) ? $entity->language : LANGUAGE_NONE;
|
547
|
}
|
548
|
|
549
|
// Determine the right language to use.
|
550
|
if ($default_langcode != LANGUAGE_NONE && field_is_translatable($entity_type, $field)) {
|
551
|
$langcode = ($langcode != LANGUAGE_NONE) ? field_valid_language($langcode, $default_langcode) : $default_langcode;
|
552
|
if (!isset($entity->{$field['field_name']}[$langcode]) && $fallback) {
|
553
|
$langcode = $default_langcode;
|
554
|
}
|
555
|
return $langcode;
|
556
|
}
|
557
|
else {
|
558
|
return LANGUAGE_NONE;
|
559
|
}
|
560
|
}
|
561
|
|
562
|
/**
|
563
|
* Callback for getting the sanitized text of 'text_formatted' properties.
|
564
|
* This callback is used for both the 'value' and the 'summary'.
|
565
|
*/
|
566
|
function entity_metadata_field_text_get($item, array $options, $name, $type, $context) {
|
567
|
// $name is either 'value' or 'summary'.
|
568
|
if (!isset($item['safe_' . $name])) {
|
569
|
// Apply input formats.
|
570
|
$langcode = isset($options['language']) ? $options['language']->language : '';
|
571
|
$format = isset($item['format']) ? $item['format'] : filter_default_format();
|
572
|
$item['safe_' . $name] = check_markup($item[$name], $format, $langcode);
|
573
|
// To speed up subsequent calls, update $item with the 'safe_value'.
|
574
|
$context['parent']->set($item);
|
575
|
}
|
576
|
return $item['safe_' . $name];
|
577
|
}
|
578
|
|
579
|
/**
|
580
|
* Defines the list of all available text formats.
|
581
|
*/
|
582
|
function entity_metadata_field_text_formats() {
|
583
|
foreach (filter_formats() as $key => $format) {
|
584
|
$formats[$key] = $format->name;
|
585
|
}
|
586
|
return $formats;
|
587
|
}
|
588
|
|
589
|
/**
|
590
|
* Callback for getting the file entity of file fields.
|
591
|
*/
|
592
|
function entity_metadata_field_file_get($item) {
|
593
|
return $item['fid'];
|
594
|
}
|
595
|
|
596
|
/**
|
597
|
* Callback for setting the file entity of file fields.
|
598
|
*/
|
599
|
function entity_metadata_field_file_set(&$item, $property_name, $value) {
|
600
|
$item['fid'] = $value;
|
601
|
}
|
602
|
|
603
|
/**
|
604
|
* Callback for auto-creating file field $items.
|
605
|
*/
|
606
|
function entity_metadata_field_file_create_item($property_name, $context) {
|
607
|
// 'fid' is required, so 'file' has to be set as initial property.
|
608
|
return array('display' => isset($context['field']['settings']['display_default']) ? $context['field']['settings']['display_default'] : 0);
|
609
|
}
|
610
|
|
611
|
/**
|
612
|
* Callback for validating file field $items.
|
613
|
*/
|
614
|
function entity_metadata_field_file_validate_item($items, $context) {
|
615
|
// Allow NULL values.
|
616
|
if (!isset($items)) {
|
617
|
return TRUE;
|
618
|
}
|
619
|
|
620
|
// Stream-line $items for multiple vs non-multiple fields.
|
621
|
$items = !entity_property_list_extract_type($context['type']) ? array($items) : (array) $items;
|
622
|
|
623
|
foreach ($items as $item) {
|
624
|
// File-field items require a valid file.
|
625
|
if (!isset($item['fid']) || !file_load($item['fid'])) {
|
626
|
return FALSE;
|
627
|
}
|
628
|
if (isset($context['property info']['display']) && !isset($item['display'])) {
|
629
|
return FALSE;
|
630
|
}
|
631
|
}
|
632
|
return TRUE;
|
633
|
}
|
634
|
|
635
|
/**
|
636
|
* Access callback for the node entity.
|
637
|
*
|
638
|
* This function does not implement hook_node_access(), thus it may not be
|
639
|
* called entity_metadata_node_access().
|
640
|
*
|
641
|
* @see entity_access()
|
642
|
*
|
643
|
* @param $op
|
644
|
* The operation being performed. One of 'view', 'update', 'create' or
|
645
|
* 'delete'.
|
646
|
* @param $node
|
647
|
* A node to check access for. Must be a node object. Must have nid,
|
648
|
* except in the case of 'create' operations.
|
649
|
* @param $account
|
650
|
* The user to check for. Leave it to NULL to check for the global user.
|
651
|
*
|
652
|
* @throws EntityMalformedException
|
653
|
*
|
654
|
* @return boolean
|
655
|
* TRUE if access is allowed, FALSE otherwise.
|
656
|
*/
|
657
|
function entity_metadata_no_hook_node_access($op, $node = NULL, $account = NULL) {
|
658
|
// First deal with the case where a $node is provided.
|
659
|
if (isset($node)) {
|
660
|
if ($op == 'create') {
|
661
|
if (isset($node->type)) {
|
662
|
return node_access($op, $node->type, $account);
|
663
|
}
|
664
|
else {
|
665
|
throw new EntityMalformedException('Permission to create a node was requested but no node type was given.');
|
666
|
}
|
667
|
}
|
668
|
// If a non-default revision is given, incorporate revision access.
|
669
|
$default_revision = node_load($node->nid);
|
670
|
if ($node->vid !== $default_revision->vid) {
|
671
|
return _node_revision_access($node, $op, $account);
|
672
|
}
|
673
|
else {
|
674
|
return node_access($op, $node, $account);
|
675
|
}
|
676
|
}
|
677
|
// No node is provided. Check for access to all nodes.
|
678
|
if (user_access('bypass node access', $account)) {
|
679
|
return TRUE;
|
680
|
}
|
681
|
if (!user_access('access content', $account)) {
|
682
|
return FALSE;
|
683
|
}
|
684
|
if ($op == 'view' && node_access_view_all_nodes($account)) {
|
685
|
return TRUE;
|
686
|
}
|
687
|
return FALSE;
|
688
|
}
|
689
|
|
690
|
/**
|
691
|
* Access callback for the user entity.
|
692
|
*/
|
693
|
function entity_metadata_user_access($op, $entity = NULL, $account = NULL, $entity_type) {
|
694
|
$account = isset($account) ? $account : $GLOBALS['user'];
|
695
|
// Grant access to the users own user account and to the anonymous one.
|
696
|
if (isset($entity) && $op != 'delete' && (($entity->uid == $account->uid && $entity->uid) || (!$entity->uid && $op == 'view'))) {
|
697
|
return TRUE;
|
698
|
}
|
699
|
if (user_access('administer users', $account) || user_access('access user profiles', $account) && $op == 'view' && $entity->status) {
|
700
|
return TRUE;
|
701
|
}
|
702
|
return FALSE;
|
703
|
}
|
704
|
|
705
|
/**
|
706
|
* Access callback for restricted user properties.
|
707
|
*/
|
708
|
function entity_metadata_user_properties_access($op, $property, $entity = NULL, $account = NULL) {
|
709
|
if (user_access('administer users', $account)) {
|
710
|
return TRUE;
|
711
|
}
|
712
|
$account = isset($account) ? $account : $GLOBALS['user'];
|
713
|
// Flag to indicate if this user entity is the own user account.
|
714
|
$is_own_account = isset($entity) && $account->uid == $entity->uid;
|
715
|
switch ($property) {
|
716
|
case 'name':
|
717
|
// Allow view access to anyone with access to the entity.
|
718
|
if ($op == 'view') {
|
719
|
return TRUE;
|
720
|
}
|
721
|
// Allow edit access for own user name if the permission is satisfied.
|
722
|
return $is_own_account && user_access('change own username', $account);
|
723
|
case 'mail':
|
724
|
// Allow access to own mail address.
|
725
|
return $is_own_account;
|
726
|
case 'roles':
|
727
|
// Allow view access for own roles.
|
728
|
return ($op == 'view' && $is_own_account);
|
729
|
}
|
730
|
return FALSE;
|
731
|
}
|
732
|
|
733
|
/**
|
734
|
* Access callback for the comment entity.
|
735
|
*/
|
736
|
function entity_metadata_comment_access($op, $entity = NULL, $account = NULL) {
|
737
|
// When determining access to a comment, 'comment_access' does not take any
|
738
|
// access restrictions to the comment's associated node into account. If a
|
739
|
// comment has an associated node, the user must be able to view it in order
|
740
|
// to access the comment.
|
741
|
if (isset($entity->nid)) {
|
742
|
if (!entity_access('view', 'node', node_load($entity->nid), $account)) {
|
743
|
return FALSE;
|
744
|
}
|
745
|
}
|
746
|
|
747
|
// Comment administrators are allowed to perform all operations on all
|
748
|
// comments.
|
749
|
if (user_access('administer comments', $account)) {
|
750
|
return TRUE;
|
751
|
}
|
752
|
|
753
|
// Unpublished comments can never be accessed by non-admins.
|
754
|
if (isset($entity->status) && $entity->status == COMMENT_NOT_PUBLISHED) {
|
755
|
return FALSE;
|
756
|
}
|
757
|
|
758
|
if (isset($entity) && $op == 'update') {
|
759
|
// Because 'comment_access' only checks the current user, we need to do our
|
760
|
// own access checking if an account was specified.
|
761
|
if (!isset($account)) {
|
762
|
return comment_access('edit', $entity);
|
763
|
}
|
764
|
else {
|
765
|
return $account->uid && $account->uid == $entity->uid && user_access('edit own comments', $account);
|
766
|
}
|
767
|
}
|
768
|
if (user_access('access comments', $account) && $op == 'view') {
|
769
|
return TRUE;
|
770
|
}
|
771
|
return FALSE;
|
772
|
}
|
773
|
|
774
|
/**
|
775
|
* Access callback for restricted comment properties.
|
776
|
*/
|
777
|
function entity_metadata_comment_properties_access($op, $property, $entity = NULL, $account = NULL) {
|
778
|
return user_access('administer comments', $account);
|
779
|
}
|
780
|
|
781
|
/**
|
782
|
* Access callback for the taxonomy entities.
|
783
|
*/
|
784
|
function entity_metadata_taxonomy_access($op, $entity = NULL, $account = NULL, $entity_type) {
|
785
|
if ($entity_type == 'taxonomy_vocabulary') {
|
786
|
return user_access('administer taxonomy', $account);
|
787
|
}
|
788
|
if (isset($entity) && $op == 'update' && !isset($account) && taxonomy_term_edit_access($entity)) {
|
789
|
return TRUE;
|
790
|
}
|
791
|
if (user_access('administer taxonomy', $account) || user_access('access content', $account) && $op == 'view') {
|
792
|
return TRUE;
|
793
|
}
|
794
|
return FALSE;
|
795
|
}
|
796
|
|
797
|
/**
|
798
|
* Access callback for file entities.
|
799
|
*/
|
800
|
function entity_metadata_file_access($op, $file = NULL, $account = NULL, $entity_type) {
|
801
|
// We can only check access for the current user, so return FALSE on other accounts.
|
802
|
global $user;
|
803
|
if ($op == 'view' && isset($file) && (!isset($account) || $user->uid == $account->uid)) {
|
804
|
// Invoke hook_file_download() to obtain access information.
|
805
|
foreach (module_implements('file_download') as $module) {
|
806
|
$result = module_invoke($module, 'file_download', $file->uri);
|
807
|
if ($result == -1) {
|
808
|
return FALSE;
|
809
|
}
|
810
|
}
|
811
|
return TRUE;
|
812
|
}
|
813
|
return FALSE;
|
814
|
}
|
815
|
|
816
|
|
817
|
/**
|
818
|
* Callback to determine access for properties which are fields.
|
819
|
*/
|
820
|
function entity_metadata_field_access_callback($op, $name, $entity = NULL, $account = NULL, $entity_type) {
|
821
|
$field = field_info_field($name);
|
822
|
return field_access($op, $field, $entity_type, $entity, $account);
|
823
|
}
|
824
|
|
825
|
/**
|
826
|
* Callback to create entity objects.
|
827
|
*/
|
828
|
function entity_metadata_create_object($values = array(), $entity_type) {
|
829
|
$info = entity_get_info($entity_type);
|
830
|
// Make sure at least the bundle and label properties are set.
|
831
|
if (isset($info['entity keys']['bundle']) && $key = $info['entity keys']['bundle']) {
|
832
|
$values += array($key => NULL);
|
833
|
}
|
834
|
if (isset($info['entity keys']['label']) && $key = $info['entity keys']['label']) {
|
835
|
$values += array($key => NULL);
|
836
|
}
|
837
|
$entity = (object) $values;
|
838
|
$entity->is_new = TRUE;
|
839
|
return $entity;
|
840
|
}
|
841
|
|
842
|
/**
|
843
|
* Callback to create a new comment.
|
844
|
*/
|
845
|
function entity_metadata_create_comment($values = array()) {
|
846
|
$comment = (object) ($values + array(
|
847
|
'status' => COMMENT_PUBLISHED,
|
848
|
'pid' => 0,
|
849
|
'subject' => '',
|
850
|
'uid' => 0,
|
851
|
'language' => LANGUAGE_NONE,
|
852
|
'node_type' => NULL,
|
853
|
'is_new' => TRUE,
|
854
|
));
|
855
|
$comment->cid = FALSE;
|
856
|
return $comment;
|
857
|
}
|
858
|
|
859
|
/**
|
860
|
* Callback to create a new node.
|
861
|
*/
|
862
|
function entity_metadata_create_node($values = array()) {
|
863
|
$node = (object) array(
|
864
|
'type' => $values['type'],
|
865
|
'language' => LANGUAGE_NONE,
|
866
|
'is_new' => TRUE,
|
867
|
);
|
868
|
// Set some defaults.
|
869
|
$node_options = variable_get('node_options_' . $node->type, array('status', 'promote'));
|
870
|
foreach (array('status', 'promote', 'sticky') as $key) {
|
871
|
$node->$key = (int) in_array($key, $node_options);
|
872
|
}
|
873
|
if (module_exists('comment') && !isset($node->comment)) {
|
874
|
$node->comment = variable_get("comment_$node->type", COMMENT_NODE_OPEN);
|
875
|
}
|
876
|
// Apply the given values.
|
877
|
foreach ($values as $key => $value) {
|
878
|
$node->$key = $value;
|
879
|
}
|
880
|
return $node;
|
881
|
}
|
882
|
|
883
|
/**
|
884
|
* Callback to save a user account.
|
885
|
*/
|
886
|
function entity_metadata_user_save($account) {
|
887
|
$edit = (array) $account;
|
888
|
// Don't save the hashed password as password.
|
889
|
unset($edit['pass']);
|
890
|
user_save($account, $edit);
|
891
|
}
|
892
|
|
893
|
/**
|
894
|
* Callback to delete a file.
|
895
|
* Watch out to not accidentilly implement hook_file_delete().
|
896
|
*/
|
897
|
function entity_metadata_delete_file($fid) {
|
898
|
file_delete(file_load($fid), TRUE);
|
899
|
}
|
900
|
|
901
|
/**
|
902
|
* Callback to view nodes.
|
903
|
*/
|
904
|
function entity_metadata_view_node($entities, $view_mode = 'full', $langcode = NULL) {
|
905
|
$result = node_view_multiple($entities, $view_mode, 0, $langcode);
|
906
|
// Make sure to key the result with 'node' instead of 'nodes'.
|
907
|
return array('node' => reset($result));
|
908
|
}
|
909
|
|
910
|
/**
|
911
|
* Callback to view comments.
|
912
|
*/
|
913
|
function entity_metadata_view_comment($entities, $view_mode = 'full', $langcode = NULL) {
|
914
|
$build = array();
|
915
|
$nodes = array();
|
916
|
// The comments, indexed by nid and then by cid.
|
917
|
$nid_comments = array();
|
918
|
foreach ($entities as $cid => $comment) {
|
919
|
$nid = $comment->nid;
|
920
|
$nodes[$nid] = $nid;
|
921
|
$nid_comments[$nid][$cid] = $comment;
|
922
|
}
|
923
|
$nodes = node_load_multiple(array_keys($nodes));
|
924
|
foreach ($nid_comments as $nid => $comments) {
|
925
|
$node = isset($nodes[$nid]) ? $nodes[$nid] : NULL;
|
926
|
$build += comment_view_multiple($comments, $node, $view_mode, 0, $langcode);
|
927
|
}
|
928
|
return array('comment' => $build);
|
929
|
}
|
930
|
|
931
|
/**
|
932
|
* Callback to view an entity, for which just ENTITYTYPE_view() is available.
|
933
|
*/
|
934
|
function entity_metadata_view_single($entities, $view_mode = 'full', $langcode = NULL, $entity_type) {
|
935
|
$function = $entity_type . '_view';
|
936
|
$build = array();
|
937
|
foreach ($entities as $key => $entity) {
|
938
|
$build[$entity_type][$key] = $function($entity, $view_mode, $langcode);
|
939
|
}
|
940
|
return $build;
|
941
|
}
|
942
|
|
943
|
/**
|
944
|
* Callback to get the form of a node.
|
945
|
*/
|
946
|
function entity_metadata_form_node($node) {
|
947
|
// Pre-populate the form-state with the right form include.
|
948
|
$form_state['build_info']['args'] = array($node);
|
949
|
form_load_include($form_state, 'inc', 'node', 'node.pages');
|
950
|
return drupal_build_form($node->type . '_node_form', $form_state);
|
951
|
}
|
952
|
|
953
|
/**
|
954
|
* Callback to get the form of a comment.
|
955
|
*/
|
956
|
function entity_metadata_form_comment($comment) {
|
957
|
if (!isset($comment->node_type)) {
|
958
|
$node = node_load($comment->nid);
|
959
|
$comment->node_type = 'comment_node_' . $node->type;
|
960
|
}
|
961
|
return drupal_get_form($comment->node_type . '_form', $comment);
|
962
|
}
|
963
|
|
964
|
/**
|
965
|
* Callback to get the form of a user account.
|
966
|
*/
|
967
|
function entity_metadata_form_user($account) {
|
968
|
// Pre-populate the form-state with the right form include.
|
969
|
$form_state['build_info']['args'] = array($account);
|
970
|
form_load_include($form_state, 'inc', 'user', 'user.pages');
|
971
|
return drupal_build_form('user_profile_form', $form_state);
|
972
|
}
|
973
|
|
974
|
/**
|
975
|
* Callback to get the form of a term.
|
976
|
*/
|
977
|
function entity_metadata_form_taxonomy_term($term) {
|
978
|
// Pre-populate the form-state with the right form include.
|
979
|
$form_state['build_info']['args'] = array($term);
|
980
|
form_load_include($form_state, 'inc', 'taxonomy', 'taxonomy.admin');
|
981
|
return drupal_build_form('taxonomy_form_term', $form_state);
|
982
|
}
|
983
|
|
984
|
/**
|
985
|
* Callback to get the form of a vocabulary.
|
986
|
*/
|
987
|
function entity_metadata_form_taxonomy_vocabulary($vocab) {
|
988
|
// Pre-populate the form-state with the right form include.
|
989
|
$form_state['build_info']['args'] = array($vocab);
|
990
|
form_load_include($form_state, 'inc', 'taxonomy', 'taxonomy.admin');
|
991
|
return drupal_build_form('taxonomy_form_vocabulary', $form_state);
|
992
|
}
|
993
|
|
994
|
/**
|
995
|
* Callback to get the form for entities using the entity API admin ui.
|
996
|
*/
|
997
|
function entity_metadata_form_entity_ui($entity, $entity_type) {
|
998
|
$info = entity_get_info($entity_type);
|
999
|
$form_state = form_state_defaults();
|
1000
|
// Add in the include file as the form API does else with the include file
|
1001
|
// specified for the active menu item.
|
1002
|
if (!empty($info['admin ui']['file'])) {
|
1003
|
$path = isset($info['admin ui']['file path']) ? $info['admin ui']['file path'] : drupal_get_path('module', $info['module']);
|
1004
|
$form_state['build_info']['files']['entity_ui'] = $path . '/' . $info['admin ui']['file'];
|
1005
|
// Also load the include file.
|
1006
|
if (file_exists($form_state['build_info']['files']['entity_ui'])) {
|
1007
|
require_once DRUPAL_ROOT . '/' . $form_state['build_info']['files']['entity_ui'];
|
1008
|
}
|
1009
|
}
|
1010
|
return entity_ui_get_form($entity_type, $entity, $op = 'edit', $form_state);
|
1011
|
}
|
1012
|
|
1013
|
/**
|
1014
|
* Callback for querying entity properties having their values stored in the
|
1015
|
* entities main db table.
|
1016
|
*/
|
1017
|
function entity_metadata_table_query($entity_type, $property, $value, $limit) {
|
1018
|
$properties = entity_get_all_property_info($entity_type);
|
1019
|
$info = $properties[$property] + array('schema field' => $property);
|
1020
|
|
1021
|
$query = new EntityFieldQuery();
|
1022
|
$query->entityCondition('entity_type', $entity_type, '=')
|
1023
|
->propertyCondition($info['schema field'], $value, is_array($value) ? 'IN' : '=')
|
1024
|
->range(0, $limit);
|
1025
|
|
1026
|
$result = $query->execute();
|
1027
|
return !empty($result[$entity_type]) ? array_keys($result[$entity_type]) : array();
|
1028
|
}
|
1029
|
|
1030
|
/**
|
1031
|
* Callback for querying entities by field values. This function just queries
|
1032
|
* for the value of the first specified column. Also it is only suitable for
|
1033
|
* fields that don't process the data, so it's stored the same way as returned.
|
1034
|
*/
|
1035
|
function entity_metadata_field_query($entity_type, $property, $value, $limit) {
|
1036
|
$query = new EntityFieldQuery();
|
1037
|
$field = field_info_field($property);
|
1038
|
$columns = array_keys($field['columns']);
|
1039
|
|
1040
|
$query->entityCondition('entity_type', $entity_type, '=')
|
1041
|
->fieldCondition($field, $columns[0], $value, is_array($value) ? 'IN' : '=')
|
1042
|
->range(0, $limit);
|
1043
|
|
1044
|
$result = $query->execute();
|
1045
|
return !empty($result[$entity_type]) ? array_keys($result[$entity_type]) : array();
|
1046
|
}
|
1047
|
|
1048
|
/**
|
1049
|
* Implements entity_uri() callback for file entities.
|
1050
|
*/
|
1051
|
function entity_metadata_uri_file($file) {
|
1052
|
return array(
|
1053
|
'path' => file_create_url($file->uri),
|
1054
|
);
|
1055
|
}
|