function ctools_book_parent_context

Return a new context based on an existing context.

File

plugins/relationships/book_parent.inc, line 25

Code

function ctools_book_parent_context($context, $conf) {
    // If unset it wants a generic, unfilled context, which is just NULL.
    if (empty($context->data)) {
        return ctools_context_create_empty('node');
    }
    if (isset($context->data->book)) {
        if ($conf['type'] == 'top') {
            $nid = $context->data->book['bid'];
        }
        else {
            // Just load the parent book.
            $item = book_link_load($context->data->book['plid']);
            $nid = $item['nid'];
        }
        if (!empty($nid)) {
            // Load the node.
            $node = node_load($nid);
            // Generate the context.
            if (node_access('view', $node)) {
                return ctools_context_create('node', $node);
            }
        }
    }
    else {
        return ctools_context_create_empty('node');
    }
}