Club Drupal

<?php

/**

 * @file relationships/comment_parent.inc

 * Plugin to provide a relationship handler for comment parent.

 */

/**

 * Plugins are described by creating a $plugin array which will be used

 * by the system that includes this file.

 */

$plugin = array(

  'title' => t('Parent comment'),

  'keyword' => 'parent_comment',

  'description' => t('Adds a parent comment from a comment context.'),

  'required context' => new ctools_context_required(t('Comment'), 'entity:comment'),

  'context' => 'ctools_comment_parent_context',

);

/**

 * Return a new context based on an existing context.

 */

function ctools_comment_parent_context($context, $conf) {

  if (empty($context->data)) {

    return ctools_context_create_empty('entity:comment');

  }

  if (isset($context->data->pid) && ($context->data->pid !== 0)) {

    $parent_comment = comment_load($context->data->pid);

    return ctools_context_create('entity:comment', $parent_comment);

  }

}