class views_plugin_row_comment_view

class views_plugin_row_comment_view extends views_plugin_row {
    
    /**
     * {@inheritdoc}
     */
    public $base_field = 'cid';
    
    /**
     * {@inheritdoc}
     */
    public $base_table = 'comment';
    
    /**
     * Stores all comments which are preloaded.
     */
    public $comments = array();
    
    /**
     * Stores all nodes of all comments which are preloaded.
     */
    public $nodes = array();
    
    /**
     * {@inheritdoc}
     */
    public function summary_title() {
        return t('Settings');
    }
    
    /**
     * {@inheritdoc}
     */
    public function option_definition() {
        $options = parent::option_definition();
        $options['links'] = array(
            'default' => TRUE,
            'bool' => TRUE,
        );
        $options['view_mode'] = array(
            'default' => 'full',
        );
        return $options;
    }
    
    /**
     * {@inheritdoc}
     */
    public function options_form(&$form, &$form_state) {
        parent::options_form($form, $form_state);
        $options = $this->options_form_summary_options();
        $form['view_mode'] = array(
            '#type' => 'select',
            '#options' => $options,
            '#title' => t('View mode'),
            '#default_value' => $this->options['view_mode'],
        );
        $form['links'] = array(
            '#type' => 'checkbox',
            '#title' => t('Display links'),
            '#default_value' => $this->options['links'],
        );
    }
    
    /**
     * Return the main options, which are shown in the summary title.
     */
    public function options_form_summary_options() {
        $entity_info = entity_get_info('comment');
        $options = array();
        if (!empty($entity_info['view modes'])) {
            foreach ($entity_info['view modes'] as $mode => $settings) {
                $options[$mode] = $settings['label'];
            }
        }
        if (empty($options)) {
            $options = array(
                'full' => t('Full content'),
            );
        }
        return $options;
    }
    
    /**
     * {@inheritdoc}
     */
    public function pre_render($result) {
        $cids = array();
        foreach ($result as $row) {
            $cids[] = $row->cid;
        }
        // Load all comments.
        $cresult = comment_load_multiple($cids);
        $nids = array();
        foreach ($cresult as $comment) {
            $comment->depth = count(explode('.', $comment->thread)) - 1;
            $this->comments[$comment->cid] = $comment;
            $nids[] = $comment->nid;
        }
        // Load all nodes of the comments.
        $nodes = node_load_multiple(array_unique($nids));
        foreach ($nodes as $node) {
            $this->nodes[$node->nid] = $node;
        }
    }

}