Name = 'Common';
$this->Version = '1.2';
$this->ReleaseDate = strtotime('2020-03-29');
$this->Creator = 'Chronos';
$this->License = 'GNU/GPLv3';
$this->Homepage = 'https://svn.zdechov.net/PHPlib/Common/';
}
}
class Paging
{
public int $TotalCount;
public int $ItemPerPage;
public int $Around;
public string $SQLLimit;
public int $Page;
function __construct()
{
global $System;
$this->ItemPerPage = $System->Config['Web']['ItemsPerPage'];
$this->Around = $System->Config['Web']['VisiblePagingItems'];
}
function Show(): string
{
$QueryItems = GetQueryStringArray($_SERVER['QUERY_STRING']);
$Result = '';
if (array_key_exists('all', $QueryItems))
{
$PageCount = 1;
$ItemPerPage = $this->TotalCount;
} else
{
$ItemPerPage = $this->ItemPerPage;
$Around = round($this->Around / 2);
$PageCount = floor($this->TotalCount / $ItemPerPage) + 1;
}
if (!array_key_exists('Page', $_SESSION)) $_SESSION['Page'] = 0;
if (array_key_exists('page', $_GET) and is_numeric($_GET['page'])) $_SESSION['Page'] = $_GET['page'] * 1;
if ($_SESSION['Page'] < 0) $_SESSION['Page'] = 0;
if ($_SESSION['Page'] >= $PageCount) $_SESSION['Page'] = $PageCount - 1;
$CurrentPage = $_SESSION['Page'];
$Result .= 'Počet položek: '.$this->TotalCount.' Stránky: ';
$Result = '';
if ($PageCount > 1)
{
if ($CurrentPage > 0)
{
$QueryItems['page'] = 0;
$Result.= '<< ';
$QueryItems['page'] = ($CurrentPage - 1);
$Result.= '< ';
}
$PagesMax = $PageCount - 1;
$PagesMin = 0;
if ($PagesMax > ($CurrentPage + $Around)) $PagesMax = $CurrentPage + $Around;
if ($PagesMin < ($CurrentPage - $Around))
{
$Result.= ' ... ';
$PagesMin = $CurrentPage - $Around;
}
for ($i = $PagesMin; $i <= $PagesMax; $i++)
{
if ($i == $CurrentPage) $Result.= ''.($i + 1).' ';
else {
$QueryItems['page'] = $i;
$Result .= ''.($i + 1).' ';
}
}
if ($PagesMax < ($PageCount - 1)) $Result .= ' ... ';
if ($CurrentPage < ($PageCount - 1))
{
$QueryItems['page'] = ($CurrentPage + 1);
$Result.= '> ';
$QueryItems['page'] = ($PageCount - 1);
$Result.= '>>';
}
}
$QueryItems['all'] = '1';
if ($PageCount > 1) $Result.= ' Vše';
$Result = ''.$Result.'
';
$this->SQLLimit = ' LIMIT '.$CurrentPage * $ItemPerPage.', '.$ItemPerPage;
$this->Page = $CurrentPage;
return $Result;
}
}