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webinfo.class.php
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webinfo.class.php
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<?php
require_once './PDODB.class.php';
class webinfo{
private $config;
private $_dao;
public function __construct($config){
$this->config = $config;
$this->_dao = PDODB::getInstance($config['db']);
}
public function getInfo($id){
$sql = "select * from dos_webinfo where Id=$id";
$row = $this->_dao->getRow($sql);
return $row;
}
public function getInfoList($index){
$sql = "select * from dos_webinfo limit $index,20";
$_list = $this->_dao->getAll($sql);
return $_list;
}
public function getPagination($page){
//total rows
$total_pages = $this->getInfoCount();
$targetpage = "./index.php";
$limit = 20;
$adjacents = 3;
if ($page == 0) $page = 1; //if no page var is given, default to 1.
$prev = $page - 1; //previous page is page - 1
$next = $page + 1; //next page is page + 1
$lastpage = ceil($total_pages/$limit); //lastpage is = total pages / items per page, rounded up.
$lpm1 = $lastpage - 1; //last page minus 1
$pagination = "";
if($lastpage > 1)
{
$pagination .= "<ul class=\"pagination\">";
//previous button
if ($page > 1)
$pagination.= "<li><a href=\"$targetpage?page=$prev\">«</a></li>";
else
$pagination.= "<li><a class=\"disabled\">«</a></li>";
//pages
if ($lastpage < 7 + ($adjacents * 2)) //not enough pages to bother breaking it up
{
for ($counter = 1; $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class=\"active\">$counter</a></li>";
else
$pagination.= "<li><a href=\"$targetpage?page=$counter\">$counter</a><li>";
}
}
elseif($lastpage > 5 + ($adjacents * 2)) //enough pages to hide some
{
//close to beginning; only hide later pages
if($page < 1 + ($adjacents * 2))
{
for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class=\"active\">$counter</a></li>";
else
$pagination.= "<li><a href=\"$targetpage?page=$counter\">$counter</a></li>";
}
$pagination.= "...";
$pagination.= "<li><a href=\"$targetpage?page=$lpm1\">$lpm1</a></li>";
$pagination.= "<li><a href=\"$targetpage?page=$lastpage\">$lastpage</a></li>";
}
//in middle; hide some front and some back
elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
{
$pagination.= "<li><a href=\"$targetpage?page=1\">1</a></li>";
$pagination.= "<li><a href=\"$targetpage?page=2\">2</a></li>";
$pagination.= "...";
for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class=\"active\">$counter</a></li>";
else
$pagination.= "<li><a href=\"$targetpage?page=$counter\">$counter</a></li>";
}
$pagination.= "...";
$pagination.= "<li><a href=\"$targetpage?page=$lpm1\">$lpm1</a></li>";
$pagination.= "<li><a href=\"$targetpage?page=$lastpage\">$lastpage</a></li>";
}
//close to end; only hide early pages
else
{
$pagination.= "<li><a href=\"$targetpage?page=1\">1</a></li>";
$pagination.= "<li><a href=\"$targetpage?page=2\">2</a></li>";
$pagination.= "...";
for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class=\"active\">$counter</a></li>";
else
$pagination.= "<li><a href=\"$targetpage?page=$counter\">$counter</a></li>";
}
}
}
//next button
if ($page < $counter - 1)
$pagination.= "<li><a href=\"$targetpage?page=$next\">»</a></li>";
else
$pagination.= "<li><a class=\"disabled\">»</a></li>";
$pagination.= "</ul>\n";
return $pagination;
}
}
public function getInfoCount(){
$sql = "select count(*) from dos_webinfo";
$count = $this->_dao->getOne($sql);
return $count;
}
}