Implementation of hook_link().

File

drupal-6.x/modules/comment/comment.module, line 405

Enables users to comment on published content.

Code

function comment_link($type, $node = NULL, $teaser = FALSE) {
  $links = array();

  if ($type == 'node' && $node->comment) {

    if ($teaser) {
      // Main page: display the number of comments that have been posted.

      if (user_access('access comments')) {
        $all = comment_num_all($node->nid);

        if ($all) {
          $links['comment_comments'] = array(
            'title' => format_plural($all, '1 comment', '@count comments'),
            'href' => "node/$node->nid",
            'attributes' => array('title' => t('Jump to the first comment of this posting.')),
            'fragment' => 'comments'
          );

          $new = comment_num_new($node->nid);

          if ($new) {
            $links['comment_new_comments'] = array(
              'title' => format_plural($new, '1 new comment', '@count new comments'),
              'href' => "node/$node->nid",
              'query' => comment_new_page_count($all, $new, $node),
              'attributes' => array('title' => t('Jump to the first new comment of this posting.')),
              'fragment' => 'new'
            );
          }
        }
        else {
          if ($node->comment == COMMENT_NODE_READ_WRITE) {
            if (user_access('post comments')) {
              $links['comment_add'] = array(
                'title' => t('Add new comment'),
                'href' => "comment/reply/$node->nid",
                'attributes' => array('title' => t('Add a new comment to this page.')),
                'fragment' => 'comment-form'
              );
            }
            else {
              $links['comment_forbidden']['title'] = theme('comment_post_forbidden', $node);
            }
          }
        }
      }
    }
    else {
      // Node page: add a "post comment" link if the user is allowed to
      // post comments, if this node is not read-only, and if the comment form isn't already shown

      if ($node->comment == COMMENT_NODE_READ_WRITE) {
        if (user_access('post comments')) {
          if (variable_get('comment_form_location_' . $node->type, COMMENT_FORM_SEPARATE_PAGE) == COMMENT_FORM_SEPARATE_PAGE) {
            $links['comment_add'] = array(
              'title' => t('Add new comment'),
              'href' => "comment/reply/$node->nid",
              'attributes' => array('title' => t('Share your thoughts and opinions related to this posting.')),
              'fragment' => 'comment-form'
            );
          }
        }
        else {
          $links['comment_forbidden']['title'] = theme('comment_post_forbidden', $node);
        }
      }
    }
  }

  if ($type == 'comment') {
    $links = comment_links($node, $teaser);
  }
  if (isset($links['comment_forbidden'])) {
    $links['comment_forbidden']['html'] = TRUE;
  }

  return $links;
}