130 lines
2.5 KiB
PHP
130 lines
2.5 KiB
PHP
<?php
|
|
/**
|
|
* @package Joomla.Site
|
|
* @subpackage mod_random_image
|
|
*
|
|
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
|
|
* @license GNU General Public License version 2 or later; see LICENSE.txt
|
|
*/
|
|
|
|
defined('_JEXEC') or die;
|
|
|
|
/**
|
|
* Helper for mod_random_image
|
|
*
|
|
* @package Joomla.Site
|
|
* @subpackage mod_random_image
|
|
* @since 1.5
|
|
*/
|
|
class ModRandomImageHelper
|
|
{
|
|
public static function getRandomImage(&$params, $images)
|
|
{
|
|
$width = $params->get('width');
|
|
$height = $params->get('height');
|
|
|
|
$i = count($images);
|
|
$random = mt_rand(0, $i - 1);
|
|
$image = $images[$random];
|
|
$size = getimagesize(JPATH_BASE . '/' . $image->folder . '/' . $image->name);
|
|
|
|
if ($width == '')
|
|
{
|
|
$width = 100;
|
|
}
|
|
|
|
if ($size[0] < $width)
|
|
{
|
|
$width = $size[0];
|
|
}
|
|
|
|
$coeff = $size[0] / $size[1];
|
|
if ($height == '')
|
|
{
|
|
$height = (int) ($width / $coeff);
|
|
}
|
|
else
|
|
{
|
|
$newheight = min($height, (int) ($width / $coeff));
|
|
if ($newheight < $height)
|
|
{
|
|
$height = $newheight;
|
|
} else {
|
|
$width = $height * $coeff;
|
|
}
|
|
}
|
|
|
|
$image->width = $width;
|
|
$image->height = $height;
|
|
$image->folder = str_replace('\\', '/', $image->folder);
|
|
|
|
return $image;
|
|
}
|
|
|
|
public static function getImages(&$params, $folder)
|
|
{
|
|
$type = $params->get('type', 'jpg');
|
|
|
|
$files = array();
|
|
$images = array();
|
|
|
|
$dir = JPATH_BASE . '/' . $folder;
|
|
|
|
// check if directory exists
|
|
if (is_dir($dir))
|
|
{
|
|
if ($handle = opendir($dir))
|
|
{
|
|
while (false !== ($file = readdir($handle)))
|
|
{
|
|
if ($file != '.' && $file != '..' && $file != 'CVS' && $file != 'index.html')
|
|
{
|
|
$files[] = $file;
|
|
}
|
|
}
|
|
}
|
|
closedir($handle);
|
|
|
|
$i = 0;
|
|
foreach ($files as $img)
|
|
{
|
|
if (!is_dir($dir . '/' . $img))
|
|
{
|
|
if (preg_match('/'.$type.'/', $img))
|
|
{
|
|
$images[$i] = new stdClass;
|
|
|
|
$images[$i]->name = $img;
|
|
$images[$i]->folder = $folder;
|
|
$i++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $images;
|
|
}
|
|
|
|
public static function getFolder(&$params)
|
|
{
|
|
$folder = $params->get('folder');
|
|
|
|
$LiveSite = JUri::base();
|
|
|
|
// if folder includes livesite info, remove
|
|
if (JString::strpos($folder, $LiveSite) === 0)
|
|
{
|
|
$folder = str_replace($LiveSite, '', $folder);
|
|
}
|
|
// if folder includes absolute path, remove
|
|
if (JString::strpos($folder, JPATH_SITE) === 0)
|
|
{
|
|
$folder = str_replace(JPATH_BASE, '', $folder);
|
|
}
|
|
$folder = str_replace('\\', DIRECTORY_SEPARATOR, $folder);
|
|
$folder = str_replace('/', DIRECTORY_SEPARATOR, $folder);
|
|
|
|
return $folder;
|
|
}
|
|
}
|