public function GoogleSiteSearch::GetPager in Google Site Search 6

Same name and namespace in other branches

1. 7 includes/GoogleSiteSearch.inc \GoogleSiteSearch::getPager()

Get a pager for the search results.

Return value

string The pager HTML code.

File

includes/GoogleSiteSearch.inc, line 318

Class

GoogleSiteSearch

Class for interaction with Google Site Search.

Code

public function GetPager($link = '?page=') {

  // get total pages
  $totalPages = $this
    ->GetTotalPages();
  $currentPage = $this
    ->GetCurrentPage();
  $pagerSize = $this
    ->GetPagerSize();
  $halfPagerSize = $pagerSize / 2;
  if ($totalPages < 2) {
    return;
  }
  $html = "<div class=\"item-list google-search-pager\"><ul class=\"pager\">\n";

  // Limit the number of pages to 50
  $totalPages = $totalPages > 50 ? 50 : $totalPages;
  if ($currentPage > 1) {
    $link_page = $link . ($currentPage - 1);
    $html .= "\t<li class=\"pager-previous\"><a href=\"{$link_page}\">" . t('‹ previous') . "</a></li>\n";
  }

  // Defines the start and finish of the pager
  $pagerStart = $currentPage - (round($pagerSize / 2) - 1);
  $pagerFinish = $currentPage + (round($pagerSize / 2) - 1);

  // Start values, if $pagerStart is negative
  if ($pagerStart < 1) {
    $pagerStart = 1;
    $pagerFinish = $pagerSize > $totalPages ? $totalPages : $pagerSize;
  }

  // Limit $pagerFinish to the same as $totalPages
  $pagerFinish = $pagerFinish > $totalPages ? $totalPages : $pagerFinish;
  if ($pagerStart > 1) {
    $html .= "\t<li class=\"pager-ellipsis\">...</li>\n";
  }
  for ($i = $pagerStart; $i <= $pagerFinish; $i++) {
    if ($i != $currentPage) {
      $link_page = $link . $i;
      $html .= "\t<li class=\"pager-item\"><a href=\"{$link_page}\">{$i}</a></li>\n";
    }
    else {
      $html .= "\t<li class=\"pager-current\">{$i}</li>\n";
    }
  }
  if ($pagerFinish < $totalPages) {
    $html .= "\t<li class=\"pager-ellipsis\">...</li>\n";
  }
  if ($currentPage < intval($totalPages)) {
    $link_page = $link . ($currentPage + 1);
    $html .= "\t<li class=\"pager-next\"><a href=\"{$link_page}\">" . t('next ›') . "</a></li>\n";
  }

  // close ol
  $html .= "</ul></div>\n";

  // return pager
  return $html;
}