You are here

function theme_pager in Drupal 6

Same name and namespace in other branches
  1. 4 includes/pager.inc \theme_pager()
  2. 5 includes/pager.inc \theme_pager()
  3. 7 includes/pager.inc \theme_pager()

Returns HTML for a query pager.

Menu callbacks that display paged query results should call theme('pager') to retrieve a pager control so that users can view other results. Format a list of nearby pages with additional query results.

Parameters

$tags: An array of labels for the controls in the pager.

$limit: The number of query results to display per page.

$element: An optional integer to distinguish between multiple pagers on one page.

$parameters: An associative array of query string parameters to append to the pager links.

$quantity: The number of pages in the list.

Return value

An HTML string that generates the query pager.

Related topics

27 theme calls to theme_pager()
blog_page_last in modules/blog/blog.pages.inc
Menu callback; displays a Drupal page containing recent blog entries of all users.
blog_page_user in modules/blog/blog.pages.inc
Menu callback; displays a Drupal page containing recent blog entries of a given user.
comment_admin_overview in modules/comment/comment.admin.inc
Form builder; Builds the comment overview form for the admin.
comment_render in modules/comment/comment.module
Renders comment(s).
dblog_overview in modules/dblog/dblog.admin.inc
Menu callback; displays a listing of log messages.

... See full list

File

includes/pager.inc, line 114
Functions to aid in presenting database results as a set of pages.

Code

function theme_pager($tags = array(), $limit = 10, $element = 0, $parameters = array(), $quantity = 9) {
  global $pager_page_array, $pager_total;

  // Calculate various markers within this pager piece:
  // Middle is used to "center" pages around the current page.
  $pager_middle = ceil($quantity / 2);

  // current is the page we are currently paged to
  $pager_current = $pager_page_array[$element] + 1;

  // first is the first page listed by this pager piece (re quantity)
  $pager_first = $pager_current - $pager_middle + 1;

  // last is the last page listed by this pager piece (re quantity)
  $pager_last = $pager_current + $quantity - $pager_middle;

  // max is the maximum page number
  $pager_max = $pager_total[$element];

  // End of marker calculations.
  // Prepare for generation loop.
  $i = $pager_first;
  if ($pager_last > $pager_max) {

    // Adjust "center" if at end of query.
    $i = $i + ($pager_max - $pager_last);
    $pager_last = $pager_max;
  }
  if ($i <= 0) {

    // Adjust "center" if at start of query.
    $pager_last = $pager_last + (1 - $i);
    $i = 1;
  }

  // End of generation loop preparation.
  $li_first = theme('pager_first', isset($tags[0]) ? $tags[0] : t('« first'), $limit, $element, $parameters);
  $li_previous = theme('pager_previous', isset($tags[1]) ? $tags[1] : t('‹ previous'), $limit, $element, 1, $parameters);
  $li_next = theme('pager_next', isset($tags[3]) ? $tags[3] : t('next ›'), $limit, $element, 1, $parameters);
  $li_last = theme('pager_last', isset($tags[4]) ? $tags[4] : t('last »'), $limit, $element, $parameters);
  if ($pager_total[$element] > 1) {
    if ($li_first) {
      $items[] = array(
        'class' => 'pager-first',
        'data' => $li_first,
      );
    }
    if ($li_previous) {
      $items[] = array(
        'class' => 'pager-previous',
        'data' => $li_previous,
      );
    }

    // When there is more than one page, create the pager list.
    if ($i != $pager_max) {
      if ($i > 1) {
        $items[] = array(
          'class' => 'pager-ellipsis',
          'data' => '…',
        );
      }

      // Now generate the actual pager piece.
      for (; $i <= $pager_last && $i <= $pager_max; $i++) {
        if ($i < $pager_current) {
          $items[] = array(
            'class' => 'pager-item',
            'data' => theme('pager_previous', $i, $limit, $element, $pager_current - $i, $parameters),
          );
        }
        if ($i == $pager_current) {
          $items[] = array(
            'class' => 'pager-current',
            'data' => $i,
          );
        }
        if ($i > $pager_current) {
          $items[] = array(
            'class' => 'pager-item',
            'data' => theme('pager_next', $i, $limit, $element, $i - $pager_current, $parameters),
          );
        }
      }
      if ($i < $pager_max) {
        $items[] = array(
          'class' => 'pager-ellipsis',
          'data' => '…',
        );
      }
    }

    // End generation.
    if ($li_next) {
      $items[] = array(
        'class' => 'pager-next',
        'data' => $li_next,
      );
    }
    if ($li_last) {
      $items[] = array(
        'class' => 'pager-last',
        'data' => $li_last,
      );
    }
    return theme('item_list', $items, NULL, 'ul', array(
      'class' => 'pager',
    ));
  }
}