pronto/plugins/template/pager.php

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<?php
class tpPager extends Plugin
{
        function tpPager() {
                $this->Plugin();
                $this->depend('html');
        }

        function generate($url, $perpage, $curpage, $total, $var_prefix='p_')
        {
                $numpages = ceil($total / $perpage);
                if($numpages <= 1) return '';

                $out = '<ul class="pagination">';
                $cp = $curpage;
                $pp = $perpage;

                $page = $this->_pagelink($cp, $cp, $pp, $url, $var_prefix);
                // left side
                if($cp > 1) {
                        $page = $this->_pagelink($cp-1, $cp, $pp, $url, $var_prefix).$page;
                        $left = $cp - 2;
                        if($left > 0) {
                                if($left > 2) $page = '<li class="ellipsis"><span>...</span></li> '.$page;
                                if($left > 1) $page = $this->_pagelink(2, $cp, $pp, $url, $var_prefix).$page;
                                $page = $this->_pagelink(1, $cp, $pp, $url, $var_prefix).$page;
                        }
                }
                // right side
                if($cp < $numpages) {
                        $page = $page.$this->_pagelink($cp+1, $cp, $pp, $url, $var_prefix);
                        $left = $numpages - $cp - 1;
                        if($left > 0) {
                                if($left > 2) $page = $page.'<li class="ellipsis"><span>...</span></li> ';
                                if($left > 1) $page = $page.$this->_pagelink($numpages-1, $cp, $pp, $url, $var_prefix);
                                $page = $page.$this->_pagelink($numpages, $cp, $pp, $url, $var_prefix);
                        }
                }
                $out .= rtrim($page);

                $out .= '</ul>';
                return $out;
        }

        function _pagelink($pagenum, $curpage, $perpage, $url, $prefix)
        {
                if($pagenum == $curpage) {
                        $out = "<li class=\"current\"><span>$pagenum</span></li> ";
                } else {
                        // build a new query with pagination parameters
                        $GET = array_merge($_GET, array($prefix.'p'=>$pagenum, $prefix.'pp'=>$perpage));
                        $qs = array();
                        foreach($GET as $k=>$v) {
                                $qs[] = "$k=$v";
                        }
                        $qs = implode('&', $qs);
                        $out = '<li><span>'.$this->depends->html->link($pagenum, url($url.'?'.$qs)).'</span></li> ';
                }
                return $out;
        }

        function _attribs($attribs)
        {
                $ret = '';
                foreach($attribs as $k=>$v) {
                        $ret .= " $k=\"$v\"";
                }
                return $ret;
        }

}

?>

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