plugins/views_wizard/views_ui_comment_views_wizard.class.php

<?php

class ViewsUiCommentViewsWizard extends ViewsUiBaseViewsWizard {

  protected function row_style_options($type) {
    $options = array();
    $options['comment'] = t('comments');
    $options['fields'] = t('fields');
    return $options;
  }

  protected function build_form_style(&$form, &$form_state, $type) {
    parent::build_form_style($form, $form_state, $type);
    $style_form =& $form['displays'][$type]['options']['style'];
    // Some style plugins don't support row plugins so stop here if that's the
    // case.
    if (!isset($style_form['row_plugin']['#default_value'])) {
      return;
    }
    $row_plugin = $style_form['row_plugin']['#default_value'];
    switch ($row_plugin) {
      case 'comment':
        $style_form['row_options']['links'] = array(
          '#type' => 'select',
          '#title_display' => 'invisible',
          '#title' => t('Should links be displayed below each comment'),
          '#options' => array(
            1 => t('with links (allow users to reply to the comment, etc.)'),
            0 => t('without links'),
          ),
          '#default_value' => 1,
        );
        break;
    }
  }

  protected function page_display_options($form, $form_state) {
    $display_options = parent::page_display_options($form, $form_state);
    $row_plugin = isset($form_state['values']['page']['style']['row_plugin']) ? $form_state['values']['page']['style']['row_plugin'] : NULL;
    $row_options = isset($form_state['values']['page']['style']['row_options']) ? $form_state['values']['page']['style']['row_options'] : array();
    $this->display_options_row($display_options, $row_plugin, $row_options);
    return $display_options;
  }

  protected function block_display_options($form, $form_state) {
    $display_options = parent::block_display_options($form, $form_state);
    $row_plugin = isset($form_state['values']['block']['style']['row_plugin']) ? $form_state['values']['block']['style']['row_plugin'] : NULL;
    $row_options = isset($form_state['values']['block']['style']['row_options']) ? $form_state['values']['block']['style']['row_options'] : array();
    $this->display_options_row($display_options, $row_plugin, $row_options);
    return $display_options;
  }

  protected  function display_options_row(&$display_options, $row_plugin, $row_options) {
    switch ($row_plugin) {
      case 'comment':
        $display_options['row_plugin'] = 'comment';
        $display_options['row_options']['links'] = !empty($row_options['links']);
        break;
    }
  }

  protected function default_display_options($form, $form_state) {
    $display_options = parent::default_display_options($form, $form_state);

    // Add permission-based access control.
    $display_options['access']['type'] = 'perm';

    // Add a relationship to nodes.
    $display_options['relationships']['nid']['id'] = 'nid';
    $display_options['relationships']['nid']['table'] = 'comment';
    $display_options['relationships']['nid']['field'] = 'nid';
    $display_options['relationships']['nid']['required'] = 1;

    // Remove the default fields, since we are customizing them here.
    unset($display_options['fields']);

    /* Field: Comment: Title */
    $display_options['fields']['subject']['id'] = 'subject';
    $display_options['fields']['subject']['table'] = 'comment';
    $display_options['fields']['subject']['field'] = 'subject';
    $display_options['fields']['subject']['label'] = '';
    $display_options['fields']['subject']['alter']['alter_text'] = 0;
    $display_options['fields']['subject']['alter']['make_link'] = 0;
    $display_options['fields']['subject']['alter']['absolute'] = 0;
    $display_options['fields']['subject']['alter']['trim'] = 0;
    $display_options['fields']['subject']['alter']['word_boundary'] = 0;
    $display_options['fields']['subject']['alter']['ellipsis'] = 0;
    $display_options['fields']['subject']['alter']['strip_tags'] = 0;
    $display_options['fields']['subject']['alter']['html'] = 0;
    $display_options['fields']['subject']['hide_empty'] = 0;
    $display_options['fields']['subject']['empty_zero'] = 0;
    $display_options['fields']['subject']['link_to_comment'] = 1;

    return $display_options;
  }
}