/**
* Render the page navigation
*
* @param Zym_Paginate_Abstract $paginate
* @param int $limit
* @return string
*/
protected function _renderPages(Zym_Paginate_Abstract $paginate)
{
$xhtml = '';
$currentPageNumber = $paginate->getCurrentPageNumber();
$centerOffset = floor($this->_pageLimit / 2);
$lastPageNumber = $paginate->getPageCount();
if ($currentPageNumber <= $centerOffset) {
$startNumber = 1;
$endNumber = $this->_pageLimit;
} else {
if ($currentPageNumber >= $lastPageNumber - $centerOffset) {
$startNumber = $lastPageNumber - $this->_pageLimit + 1;
$endNumber = $lastPageNumber;
} else {
$startNumber = $currentPageNumber - $centerOffset;
if ($this->_pageLimit % 2 == 0) {
$startNumber++;
}
$endNumber = $currentPageNumber + $centerOffset;
}
}
for ($i = $startNumber; $i <= $endNumber; $i++) {
$pageLocation = array_merge($this->_targetLocation, array($this->_currentPageAttrib => $i));
if ($i == $currentPageNumber) {
$xhtml .= $this->_renderActiveListItem($pageLocation, $i);
} else {
$xhtml .= $this->_renderListItem($pageLocation, $i);
}
}
return $xhtml;
}
