dialog_comment.module in Dialog 7.2

Provides dialog integration for comment.module.

File

modules/dialog_comment/dialog_comment.module

<?php

/**
 * @file
 * Provides dialog integration for comment.module.
 */

/**
 * Implement hook_node_view().
 */
function dialog_comment_node_view($node, $view_mode, $langcode) {

  // Attach the library for handling the dialog in the response.
  $node->content['#attached']['library'][] = array(
    'system',
    'drupal.ajax',
  );
}

/**
 * Implement hook_comment_view().
 */
function dialog_comment_comment_view($comment, $view_mode, $langcode) {

  // Attach the library for handling the dialog in the response.
  $comment->content['#attached']['library'][] = array(
    'system',
    'drupal.ajax',
  );

  // Modify the comment links.
  $links = isset($comment->content['links']['comment']['#links']) ? $comment->content['links']['comment']['#links'] : array();
  if (isset($links['comment-delete'])) {

    // Use a dialog for deleting comments.
    $links['comment-delete']['attributes']['class'][] = 'use-ajax';
    $links['comment-delete']['attributes']['data-dialog'] = 'true';
    $links['comment-delete']['attributes']['data-dialog-options'] = '{"width":"50%"}';
  }

  // Set the links back in their place.
  if (isset($comment->content['links']['comment']['#links'])) {
    $comment->content['links']['comment']['#links'] = $links;
  }
}

/**
 * Implement hook_form_FORM_ID_alter().
 */
function dialog_comment_form_comment_confirm_delete_alter(&$form, &$form_state, $form_id) {

  // Create a plain-text version of the page title since jQuery UI Dialog does
  // not support HTML in dialog titles.
  $comment = $form['#comment'];
  $question = t('Are you sure you want to delete the comment @title?', array(
    '@title' => $comment->subject,
  ));
  drupal_set_title($question, PASS_THROUGH);

  // Make the 'Delete' button the primary action.
  $form['actions']['submit']['#attributes']['class'][] = 'button--primary';

  // Remove the 'Cancel' link.
  $form['actions']['cancel']['#access'] = FALSE;
}

/**
 * Implement hook_theme_registry_alter().
 */
function dialog_comment_theme_registry_alter(&$theme_registry) {

  // Replace the 'comment_post_forbidden' theme function with one that displays
  // authentication forms using dialogs.
  if (!empty($theme_registry['comment_post_forbidden'])) {
    $theme_registry['comment_post_forbidden']['theme path'] = drupal_get_path('module', 'dialog_comment');
    $theme_registry['comment_post_forbidden']['function'] = 'dialog_comment_comment_post_forbidden';
  }
}

/**
 * Returns HTML for a "you can't post comments" notice.
 *
 * @param $variables
 *   An associative array containing:
 *   - node: The comment node.
 *
 * @ingroup themeable
 */
function dialog_comment_comment_post_forbidden($variables) {
  $node = $variables['node'];
  global $user;

  // Since this is expensive to compute, we cache it so that a page with many
  // comments only has to query the database once for all the links.
  $authenticated_post_comments =& drupal_static(__FUNCTION__, NULL);
  if (!$user->uid) {
    if (!isset($authenticated_post_comments)) {

      // We only output a link if we are certain that users will get permission
      // to post comments by logging in.
      $comment_roles = user_roles(TRUE, 'post comments');
      $authenticated_post_comments = isset($comment_roles[DRUPAL_AUTHENTICATED_RID]);
    }
    if ($authenticated_post_comments) {

      // We cannot use drupal_get_destination() because these links
      // sometimes appear on /node and taxonomy listing pages.
      if (variable_get('comment_form_location_' . $node->type, COMMENT_FORM_BELOW) == COMMENT_FORM_SEPARATE_PAGE) {
        $destination = array(
          'destination' => "comment/reply/{$node->nid}#comment-form",
        );
      }
      else {
        $destination = array(
          'destination' => "node/{$node->nid}#comment-form",
        );
      }
      if (variable_get('user_register', USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL)) {

        // Users can register themselves.
        return t('<a href="@login" class="use-ajax" data-dialog="true" data-dialog-options=\'{"width":"50%"}\'>Log in</a> or <a href="@register" class="use-ajax" data-dialog="true" data-dialog-options=\'{"width":"50%"}\'>register</a> to post comments', array(
          '@login' => url('user/login', array(
            'query' => $destination,
          )),
          '@register' => url('user/register', array(
            'query' => $destination,
          )),
        ));
      }
      else {

        // Only admins can add new users, no public registration.
        return t('<a href="@login" class="use-ajax" data-dialog="true" data-dialog-options=\'{"width":"50%"}\'>Log in</a> to post comments', array(
          '@login' => url('user/login', array(
            'query' => $destination,
          )),
        ));
      }
    }
  }
}

Functions

Name	Description
dialog_comment_comment_post_forbidden	Returns HTML for a "you can't post comments" notice.
dialog_comment_comment_view	Implement hook_comment_view().
dialog_comment_form_comment_confirm_delete_alter	Implement hook_form_FORM_ID_alter().
dialog_comment_node_view	Implement hook_node_view().
dialog_comment_theme_registry_alter	Implement hook_theme_registry_alter().