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function ctools_terms_from_node_context in Chaos Tool Suite (ctools) 7

Same name and namespace in other branches
  1. 6 plugins/relationships/terms_from_node.inc \ctools_terms_from_node_context()

Return a new context based on an existing context.

1 string reference to 'ctools_terms_from_node_context'
terms_from_node.inc in plugins/relationships/terms_from_node.inc
Plugin to provide an relationship handler for all terms from node.

File

plugins/relationships/terms_from_node.inc, line 25
Plugin to provide an relationship handler for all terms from node.

Code

function ctools_terms_from_node_context($context, $conf) {

  // If unset it wants a generic, unfilled context, which is just NULL.
  if (empty($context->data)) {
    return ctools_context_create_empty('terms', NULL);
  }

  // Collect all terms for the chosen vocabulary and concatenate them.
  $node = $context->data;
  $terms = array();
  $fields = field_info_instances('node', $node->type);
  foreach ($fields as $name => $info) {
    $field_info = field_info_field($name);
    if ($field_info['type'] == 'taxonomy_term_reference' && (empty($conf['vocabulary']) || !empty($conf['vocabulary'][$field_info['settings']['allowed_values'][0]['vocabulary']]))) {
      $items = field_get_items('node', $node, $name);
      if (is_array($items)) {
        foreach ($items as $item) {
          $terms[] = $item['tid'];
        }
      }
    }
    elseif ($field_info['type'] == 'entityreference' && $field_info['settings']['target_type'] == 'taxonomy_term') {
      $items = field_get_items('node', $node, $name);
      if (is_array($items)) {
        $tids = array();
        foreach ($items as $item) {
          $tids[] = $item['target_id'];
        }
        $term_objects = taxonomy_term_load_multiple($tids);
        foreach ($term_objects as $term) {
          if (empty($conf['vocabulary']) || in_array($term->vocabulary_machine_name, $conf['vocabulary'])) {
            $terms[] = $term->tid;
          }
        }
      }
    }
  }
  if (!empty($terms)) {
    $all_terms = ctools_break_phrase(implode($conf['concatenator'], $terms));
    return ctools_context_create('terms', $all_terms);
  }
}