Class.php:
<?php
// +----------------------------------------------------------------------+
// | AJRgal version 4.1 |
// +----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or |
// | modify it under the terms of the GNU General Public License |
// | as published by the Free Software Foundation; either version 2 |
// | of the License, or (at your option) any later version. |
// | |
// | This program is distributed in the hope that it will be useful, |
// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
// | GNU General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
// | 02111-1307, USA. |
// | |
// +----------------------------------------------------------------------+
// | Author: Andrew John Reading - A.J.Reading <andrew <at> cbitsonline <dot> com> |
// | Website: http://www.cbitsonline.com |
// +----------------------------------------------------------------------+
// | File: class.php |
// | Description: Used to power the inner workings of AJRgal |
// | Last Update: 22/11/2005 |
// +----------------------------------------------------------------------+
class ajrgal
{
var $m_count;
var $m_images = Array();
var $m_cols;
var $m_rows;
var $m_pages;
var $m_page;
var $m_perpage;
function ajrgal($dir, $rows, $cols, $page)
{
$this->readdir($dir);
$this->m_page = $page;
$this->m_cols = $cols;
$this->m_rows = $rows;
$this->m_perpage = $this->m_rows * $this->m_cols;
$this->m_pages = ceil($this->m_count / $this->m_perpage);
if($this->m_page > $this->m_pages) { $this->m_page = 1;}
}
function display($tdClass, $linkTarget)
{
if(empty($linkTarget)) { $linkTarget = "_blank"; }
if($this->m_page == 1)
{
if($this->m_count < $this->m_perpage)
{
$this->m_perpage = $this->m_count;
}
$col_count = 0;
for( $i=0; $i<$this->m_perpage; $i++ )
{
if($col_count == $this->m_cols)
{
echo " </tr>\n <tr>\n";
$col_count = 0;
}
echo " <td class=\"".$tdClass."\"><a href=\"".$this->m_images[$i]."\" target=\"".$linkTarget."\"><img alt=\"\" border=\"0\" src=\"show.php?file=".$this->m_images[$i]."\"></a></td>\n";
$col_count++;
}
}
else
{
$col_count = 0;
$range = $this->m_perpage * $this->m_page;
$range_start = $range - $this->m_perpage;
for( $i=$range_start; $i<$range; $i++ )
{
if($col_count == $this->m_cols)
{
echo " </tr>\n <tr>\n";
$col_count = 0;
}
if( !empty($this->m_images[$i]) )
{
echo " <td class=\"".$tdClass."\"><a href=\"".$this->m_images[$i]."\" target=\"".$linkTarget."\"><img alt=\"\" border=\"0\" src=\"show.php?file=".$this->m_images[$i]."\"></a></td>\n";
}
else
{
echo " <td class=\"".$tdClass."\"></td>\n";
}
$col_count++;
}
}
}
function readdir($dirname)
{
$dir = opendir($dirname);
$this->m_count = 0;
while( false != ($file = readdir($dir) ) )
{
if( ($file != ".") && ( $file != ".." ) )
{
if($this->checkImg($file))
{
$this->m_images[$this->m_count] = $file;
$this->m_count++;
}
}
}
}
function checkImg($filename)
{
$format = strtolower(substr(strrchr($filename, "."), 1));
switch($format)
{
case 'gif' :
return true;
break;
case 'png' :
return true;
break;
case 'jpg' :
return true;
break;
case 'jpeg' :
return true;
break;
default :
return false;
break;
}
}
function pageNext($class)
{
echo "<span class=\"".$class."\">";
if($this->m_page == $this->m_pages)
{
echo "Next";
}
else
{
$page = $this->m_page + 1;
echo '<a href="index.php?page='.$page.'">Next</a>';
}
echo "</span>";
}
function pagePrev($class)
{
echo "<span class=\"".$class."\">";
if($this->m_page == 1)
{
echo 'Previous';
}
else
{
$temp = $this->m_page - 1;
echo '<a href="index.php?page='.$temp.'">Previous</a>';
}
echo "</span>";
}
function pageNumbers($class, $class2)
{
echo "<span class=\"".$class."\">";
$i=1;
while( $i<$this->m_pages + 1 )
{
if($this->m_page == $i)
{
echo "</span><span class=\"".$class2."\"> ".$i." </span><span class=\"".$class."\">";
}
else
{
echo '<a href="index.php?page='.$i.'"> '.$i.' </a> ';
}
$i++;
}
echo "</span>";
}
}
?>
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