public function pagerDirective($construction)
{
if ($this->_pagerBlock instanceof Mage_Page_Block_Html_Pager) {
if (null === $this->_pagerBlock->getCollection()) {
$params = $this->_getIncludeParameters($construction[2]);
foreach ($params as $key => $value) {
switch ($key) {
case 'limits':
$limits = array_filter(explode("|", $value), 'is_numeric');
$limits = array_combine($limits, $limits);
$this->_pagerBlock->setAvailableLimit($limits);
break;
case 'frame_length':
$value = (int) $value;
if (0 > $value) {
$value = null;
}
case 'limit_var_name':
case 'page_var_name':
if (isset($value)) {
$method = 'set' . uc_words($key, '');
if (is_callable(array($this->_pagerBlock, $method))) {
$this->_pagerBlock->{$method}($value);
}
}
break;
}
}
$this->_pagerBlock->setCollection($this->getCollection());
}
return $this->_pagerBlock->toHtml();
}
return '';
}