function nodereference_node_from_noderef_context in Content Construction Kit (CCK) 6.2

Same name and namespace in other branches

1. 5 nodereference.module \nodereference_node_from_noderef_context()
2. 6.3 modules/nodereference/panels/relationships/node_from_noderef.inc \nodereference_node_from_noderef_context()

Return a new ctools context based on an existing context.

1 string reference to 'nodereference_node_from_noderef_context'

nodereference_node_from_noderef_ctools_relationships in modules/nodereference/panels/relationships/node_from_noderef.inc

Implementation of hook_ctools_relationships().

File

modules/nodereference/panels/relationships/node_from_noderef.inc, line 26

Implements the node reference relationship for Panels.

Code

function nodereference_node_from_noderef_context($context, $conf) {
  $field = content_fields($conf['field_name']);

  // If unset it wants a generic, unfilled context, which is just NULL.
  if (empty($context->data)) {
    $new_context = ctools_context_create_empty('node', NULL);
  }
  else {
    if (isset($context->data->{$conf['field_name']}[0]['nid']) && ($nid = $context->data->{$conf['field_name']}[0]['nid'])) {
      if ($node = node_load($nid)) {
        $new_context = ctools_context_create('node', $node);
      }
    }
  }
  if (!empty($new_context)) {

    // Have nodereference relationships limit CCK field availability as well.
    $restrictions = array_keys(array_filter($field['referenceable_types']));
    if ($restrictions) {
      if (isset($new_context->restrictions['type'])) {
        $new_context->restrictions['type'] = array_unique(array_merge($new_context->restrictions['type'], $restrictions));
      }
      else {
        $new_context->restrictions['type'] = $restrictions;
      }
    }
    return $new_context;
  }
}