function _advanced_forum_create_topic_pager in Advanced Forum 5

Same name and namespace in other branches

1. 6 advanced_forum.module \_advanced_forum_create_topic_pager()

Creates a pager to place on each multi-page topic of the topic listing page.

Parameters

$max_pages_to_display: Number of pages to include on the pager.

$topic: Topic object to create a pager for.

Return value

Asembled pager.

1 call to _advanced_forum_create_topic_pager()

advanced_forum_preprocess_forum_topic_list in ./advanced_forum.module

Preprocesses template variables for the topic list template.

File

./advanced_forum.module, line 1506

Enables the look and feel of other popular forum software.

Code

function _advanced_forum_create_topic_pager($max_pages_to_display, $topic) {

  // Find the number of comments per page for the node type of the topic.
  // It's the same for all types in D5, but varies in D6.
  $comments_per_page = _comment_get_display_setting('comments_per_page', $topic);
  if ($max_pages_to_display > 0 && $topic->num_comments > $comments_per_page) {

    // Topic has more than one page and a pager is wanted. Start off the
    // first page because that doesn't have a query.
    $pager_array = array();
    $current_display_page = 1;
    $pager_array[] = l(t('1'), "node/{$topic->nid}");

    // Find the ending point. The pager URL is always 1 less than
    // the number being displayed because the first page is 0.
    $last_display_page = ceil($topic->num_comments / $comments_per_page);
    $last_pager_page = $last_display_page - 1;

    // Add pages until we run out or until we hit the max to show.
    while ($current_display_page < $last_display_page && $current_display_page < $max_pages_to_display) {

      // Move to the next page
      $current_display_page++;

      // The page number we link to is 1 less than what's displayed
      $link_to_page = $current_display_page - 1;

      // Add the link to the array
      $pager_array[] = l($current_display_page, "node/{$topic->nid}", NULL, 'page=' . $link_to_page);
    }

    // Move to the next page
    $current_display_page++;
    if ($current_display_page == $last_display_page) {

      // We are one past the max to display, but it's the last page,
      // so putting the ...last is silly. Just display it normally.
      $link_to_page = $current_display_page - 1;
      $pager_array[] = l($current_display_page, "node/{$topic->nid}", NULL, 'page=' . $link_to_page);
    }
    $pager_last = '';
    if ($current_display_page < $last_display_page) {

      // We are one past the max to display and still aren't
      // on the last page, so put in ... Last Page(N)
      $text = t('Last Page') . '(' . $last_display_page . ')';
      $pager_last = ' &hellip; ' . l($text, "node/{$topic->nid}", NULL, 'page=' . $last_pager_page);
    }

    // Put it all together
    return '[' . t('Page') . ' ' . implode(", ", $pager_array) . $pager_last . ']';
  }
}