Current File : /home/admin/public_html/old/promice/components/com_media/helpers/media.php
<?php
/**
* @version $Id: media.php 15177 2010-03-04 21:54:31Z ian $
* @package Joomla
* @subpackage Media
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant to the
* GNU General Public License, and as distributed it includes or is derivative
* of works licensed under the GNU General Public License or other free or open
* source software licenses. See COPYRIGHT.php for copyright notices and
* details.
*/
// no direct access
defined('_JEXEC') or die('Restricted access');
/**
* @package Joomla
* @subpackage Media
*/
class MediaHelper
{
/**
* Checks if the file is an image
* @param string The filename
* @return boolean
*/
function isImage( $fileName )
{
static $imageTypes = 'xcf|odg|gif|jpg|png|bmp';
return preg_match("/$imageTypes/i",$fileName);
}
/**
* Checks if the file is an image
* @param string The filename
* @return boolean
*/
function getTypeIcon( $fileName )
{
// Get file extension
return strtolower(substr($fileName, strrpos($fileName, '.') + 1));
}
/**
* Checks if the file can be uploaded
* @param array File information
* @param string An error message to be returned
* @return boolean
*/
function canUpload( $file, &$err )
{
$params = &JComponentHelper::getParams( 'com_media' );
jimport('joomla.filesystem.file');
$format = JFile::getExt($file['name']);
$allowable = explode( ',', $params->get( 'upload_extensions' ));
if (!in_array($format, $allowable))
{
$err = 'This file type is not supported';
return false;
}
$maxSize = (int) $params->get( 'upload_maxsize', 0 );
if ($maxSize > 0 && (int) $file['size'] > $maxSize)
{
$err = 'This file is too large to upload';
return false;
}
return true;
}
function parseSize($size)
{
if ($size < 1024) {
return $size . ' bytes';
}
else
{
if ($size >= 1024 && $size < 1024 * 1024) {
return sprintf('%01.2f', $size / 1024.0) . ' Kb';
} else {
return sprintf('%01.2f', $size / (1024.0 * 1024)) . ' Mb';
}
}
}
function imageResize($width, $height, $target)
{
//takes the larger size of the width and height and applies the
//formula accordingly...this is so this script will work
//dynamically with any size image
if ($width > $height) {
$percentage = ($target / $width);
} else {
$percentage = ($target / $height);
}
//gets the new value and applies the percentage, then rounds the value
$width = round($width * $percentage);
$height = round($height * $percentage);
//returns the new sizes in html image tag format...this is so you
//can plug this function inside an image tag and just get the
return "width=\"$width\" height=\"$height\"";
}
function countFiles( $dir )
{
$total_file = 0;
$total_dir = 0;
if (is_dir($dir)) {
$d = dir($dir);
while (false !== ($entry = $d->read())) {
if (substr($entry, 0, 1) != '.' && is_file($dir . DIRECTORY_SEPARATOR . $entry) && strpos($entry, '.html') === false && strpos($entry, '.php') === false) {
$total_file++;
}
if (substr($entry, 0, 1) != '.' && is_dir($dir . DIRECTORY_SEPARATOR . $entry)) {
$total_dir++;
}
}
$d->close();
}
return array ( $total_file, $total_dir );
}
}
?>