Your IP : 216.73.216.68
<?php
/**
* YOOgallery Core
*
* @author yootheme.com
* @copyright Copyright (C) 2008 YOOtheme. All rights reserved.
* @license GNU/GPL
*/
// no direct access
defined('_JEXEC') or die('Restricted access');
jimport('joomla.filesystem.file');
if (!class_exists('YOOThumbnail')) {
require_once(dirname(__FILE__).'/lib/thumbnail.php');
}
class YOOGallery {
// gallery params
var $params;
// gallery path
var $path;
// gallery uri
var $uri;
// joomla root
var $jroot;
// joomla uri
var $juri;
function YOOGallery($params) {
$this->params = $params;
$this->jroot = $params->get('cfg_jroot');
$this->juri = $params->get('cfg_juri');
$this->path = $params->get('cfg_path');
$this->uri = $this->juri.$this->path;
}
function render() {
// init vars
$src = '/'.trim(trim($this->params->get('src', '')), '/').'/';
$title = $this->params->get('title', '');
$style = $this->params->get('style', 'lightbox');
$effect = $this->params->get('effect', 'fade');
$thumb_style = $this->params->get('thumb', 'default');
$order = $this->params->get('order', 'asc');
$width = $this->params->get('width');
$height = $this->params->get('height');
$resize = $this->params->get('resize', 1);
$count = $this->params->get('count', 0);
$spotlight = $this->params->get('spotlight', 0);
$prefix = $this->params->get('prefix', 'thumb_');
$cache_dir = $this->params->get('thumb_cache_dir', 'thumbs');
$cache_time = $this->params->get('thumb_cache_time', 1440) * 60;
$rel = $this->params->get('rel', '');
$load_lightbox = $this->params->get('load_lightbox', 1);
$tmpl_style = dirname(__FILE__).'/tmpl/'.$style.'.php';
$tmpl_thumb = dirname(__FILE__).'/tmpl/_thumbnail_'.$thumb_style.'.php';
// check gd image processing library
if (!YOOThumbnail::check()) {
return $this->getAlertMessage("PHP GD image processing library is not installed (<a href=\"http://www.php.net/gd\" target=\"_blank\">http://www.php.net/gd</a>)");
}
// check thumbnail template files
if (!is_readable($tmpl_style) || !is_readable($tmpl_thumb)) {
return $this->getAlertMessage("Unable to read the thumbnail style template files");
}
// check source if directory exists
if (!is_dir($this->jroot.$src)) {
return $this->getAlertMessage("Unable to find the source directory (".$this->jroot.$src."), please check if your source directory exists");
}
// check source if directory is readable/writable
if (!is_writable($this->jroot.$src)) {
return $this->getAlertMessage("Unable to read/write the source directory (".$this->jroot.$src."), please verify the directory permissions (<a href=\"http://tutorials.yootheme.com/index.php?option=com_mtree&task=viewlink&link_id=122&Itemid=2\" target=\"_blank\">Go to: Fix permissions tutorial</a>)");
}
// set thumbnail cache directory
if (!$this->getCacheDirectory($this->jroot.$src.$cache_dir.'/')) {
return $this->getAlertMessage("Unable to read/write the thumbnail cache directory (".$this->jroot.$src.$cache_dir.'/'."), please verify the directory permissions (<a href=\"http://tutorials.yootheme.com/index.php?option=com_mtree&task=viewlink&link_id=122&Itemid=2\" target=\"_blank\">Go to: Fix permissions tutorial</a>)");
}
// get thumbnails
$thumbs = $this->getThumbnails($title, $src, $width, $height, $resize, $prefix, $cache_dir, $cache_time);
// no thumbnails found
if (!count($thumbs)) {
return $this->getAlertMessage("No thumbnails found");
}
// sort thumbnails
$this->sortThumbnails($thumbs, $order);
// limit thumbnails to count
$count = intval($count);
if ($count > 0 && $count < count($thumbs)) {
$thumbs = array_slice($thumbs, 0, $count);
}
// add css
if ($this->includeOnce('YOO_GALLERY_CSS')) {
$document =& JFactory::getDocument();
$document->addStyleSheet($this->uri.'gallery.css.php');
}
// init template vars
static $gallery_count = 1;
$gallery_id = 'yoo-gallery-'.$gallery_count++;
// get template output
$html = '';
ob_start();
include($tmpl_style);
$html = ob_get_contents();
ob_end_clean();
return $html;
}
function getThumbnails($title, $path, $width, $height, $resize, $prefix, $cache_dir, $cache_time) {
$thumbs = array();
$files = $this->getFiles($this->jroot.$path);
// set default thumbnail size, if incorrect sizes defined
$width = intval($width);
$height = intval($height);
if ($width < 1 && $height < 1) {
$width = 100;
$height = null;
}
foreach ($files as $file) {
$filename = basename($file);
$thumb = $this->jroot.$path.$cache_dir.'/'.$prefix.$filename;
// create or re-cache thumbnail
if (!is_file($thumb) || ($cache_time > 0 && time() > (filemtime($thumb) + $cache_time))) {
$thumbnail = new YOOThumbnail($file);
// set thumbnail size
if ($width && $height) {
$thumbnail->setSize($width, $height);
} elseif ($height) {
$thumbnail->sizeHeight($height);
} else {
$thumbnail->sizeWidth($width);
}
$thumbnail->setResize($resize);
$thumbnail->save($thumb);
}
// if thumbnail exists, add it to return value
if (is_file($thumb)) {
// set image name or title if exsist
if ($title != '') {
$name = $title;
} else {
$name = JFile::stripExt($filename);
$name = JString::str_ireplace('_', ' ', $name);
$name = JString::ucwords($name);
}
// get image info
list($thumb_width, $thumb_height) = @getimagesize($thumb);
$thumbs[] = array(
'name' => $name,
'filename' => $filename,
'img' => $this->juri.ltrim($path, '/').$filename,
'img_file' => $file,
'thumb' => $this->juri.ltrim($path, '/').$cache_dir.'/'.$prefix.$filename,
'thumb_width' => $thumb_width,
'thumb_height' => $thumb_height
);
}
}
return $thumbs;
}
function sortThumbnails(&$thumbs, $order) {
usort($thumbs, array('YOOGallery', 'compareThumbnails'));
if ($order == 'random') shuffle($thumbs);
if ($order == 'desc') $thumbs =& array_reverse($thumbs);
}
function compareThumbnails($a, $b) {
return strcmp($a['filename'], $b['filename']);
}
function getFiles($path) {
$path = rtrim($path, '/');
$files = array();
$ignore = array('cgi-bin', '.', '..','.svn','.DS_Store');
$dh = @opendir($path);
while (false !== $file = readdir($dh)) {
if (!in_array($file, $ignore) && is_file($path.'/'.$file)) {
$files[] = $path.'/'.$file;
}
}
closedir($dh);
return $files;
}
function getCacheDirectory($path) {
$path = rtrim($path, '/');
if (!is_dir($path)) {
@mkdir($path);
}
return is_dir($path);
}
function getAlertMessage($msg) {
return "<div class=\"alert\"><strong>".$msg."</strong></div>\n";
}
function includeOnce($name) {
if (!defined($name)) {
define($name, true);
return true;
}
return false;
}
}