<?php
//link = $item.pager_link page = $item.pageNum num_pages = $item.num_pages
function smarty_block_list_pager($params, $content, &$smarty)
{
	$name = 'pager';	
	$max_display_pages = 7;
	extract($params);
	
    if ($content != NULL && !($num_pages < 2) ) {
        $smarty->clear_assign($name);
        return $content;
    }
    
    if ($num_pages < 2 ){
    	return false;	
    }
    
    
    $max_display_pages = (floor($max_display_pages / 2) * 2)+ 1; // max_display_pages validation 
    
	$delim = preg_match('/\?/', $link) ? '&' : '?';	
	
	$pages = array();
    if ($page != 0) {
        $pages['First'] = $link."page=0";
        $pages['Prev'] = $link."page=".($page - 1);
    }	
    
    if (($page + 1) < $num_pages) {
        $pages['Next'] = $link."page=".($page + 1);    	
        $pages['Last'] = $link."page=".($num_pages - 1);
    }	
    $pages['pages'] = array();
    
        if ($num_pages > $max_display_pages) {
            $page_first = $page - floor($max_display_pages / 2);
            $page_last = $page + floor($max_display_pages / 2);
            if ($page_first < 0) {
                $page_last = $page_last - $page_first;
                $page_first = 0;
            }
            if ($page_last >= $num_pages) {
                $page_first = $page_first - ($page_last - $num_pages + 1);
                $page_last = $num_pages - 1;
            }
        } else {
            $page_first = 0;
            $page_last = $num_pages - 1;
        }    
    
//    $start = max($page - $before_after_display_pages, 0);
//    $end = min($page + $before_after_display_pages, $num_pages - 1);
    
    for ($i = $page_first; $i <= $page_last; $i++ ){
    	if ($i == $page){
    		$pages['pages'][$i + 1] = false;	
    	}else {
    		$pages['pages'][$i + 1] = $link."page={$i}";    	
    	}
    }
	$smarty->assign($name, $pages);  
}
?>