Current File : /home/lightco1/upgrade.lightco.com.au/administrator/components/com_virtuemart/helpers/image.php
<?php
/**
* Image helper class
*
* This class was derived from the show_image_in_imgtag.php and imageTools.class.php files in VM. It provides some
* image functions that are used throughout the VirtueMart shop.
*
* @package VirtueMart
* @subpackage Helpers
* @author Max Milbers
* @copyright Copyright (c) 2004-2008 Soeren Eberhardt-Biermann, 2009 VirtueMart Team. All rights reserved.
*/
defined('_JEXEC') or die();
if (!class_exists('VmMediaHandler')) require(VMPATH_ADMIN.DS.'helpers'.DS.'mediahandler.php');
class VmImage extends VmMediaHandler {
function processAction($data){
if(empty($data['media_action'])) return $data;
$data = parent::processAction($data);
if( $data['media_action'] == 'upload_create_thumb' ){
$oldFileUrl = $this->file_url;
$file_name = $this->uploadFile($this->file_url_folder);
if($file_name){
if($file_name!=$oldFileUrl && !empty($this->filename)){
$this->deleteFile($oldFileUrl);
}
$this->file_url = $this->file_url_folder.$file_name;
$this->filename = $file_name;
if(!empty($this->file_url_thumb)){
$oldFileUrlThumb = $this->file_url_thumb;
$this->file_url_thumb = $this->createThumb();
if($this->file_url_thumb!=$oldFileUrlThumb){
$this->deleteFile($oldFileUrlThumb);
}
}
}
} //creating the thumbnail image
else if( $data['media_action'] == 'create_thumb' ){
$this->file_url_thumb = $this->createThumb();
}
if(empty($this->file_title) && !empty($file_name)) $this->file_title = $file_name;
return $data;
}
function displayMediaFull($imageArgs='',$lightbox=true,$effect ="class='modal'",$description = true ){
if(!$this->file_is_forSale){
// Remote image URL
if( substr( $this->file_url, 0, 4) == "http" ) {
$file_url = $this->file_url;
$file_alt = $this->file_title;
} else {
$rel_path = str_replace('/',DS,$this->file_url_folder);
$fullSizeFilenamePath = VMPATH_ROOT.DS.$rel_path.$this->file_name.'.'.$this->file_extension;
if (!file_exists($fullSizeFilenamePath)) {
$file_url = $this->theme_url.'assets/images/vmgeneral/'.VmConfig::get('no_image_found');
$file_alt = vmText::_('COM_VIRTUEMART_NO_IMAGE_FOUND').' '.$this->file_description;
} else {
$file_url = $this->file_url;
$file_alt = $this->file_meta;
}
}
$postText = false;
if($description) $postText = $this->file_description;
if(!empty($this->file_class)){
$imageArgs = $this->filterImageArgs($imageArgs);
}
return $this->displayIt($file_url, $file_alt, $imageArgs,$lightbox,$effect,$postText);
} else {
//Media which should be sold, show them only as thumb (works as preview)
return $this->displayMediaThumb(array('id'=>'vm_display_image'),false);
}
}
public function createThumbFileUrl($width=0,$height=0){
$file_name = $this->createThumbName($width,$height);
if(empty($this->file_name_thumb)) {
vmdebug('createThumbFileUrl empty file_name_thumb ',$this);
return false;
}
$file_url_thumb = $this->file_url_folder.'resized/'.$this->file_name_thumb.'.'.$this->file_extension;
return $file_url_thumb;
}
/**
* a small function that ensures that we always build the thumbnail name with the same method
*/
public function createThumbName($width=0,$height=0){
if(empty($this->file_name)) return false;
if(empty($width)) $width = VmConfig::get('img_width', 90);
if(empty($height)) $height = VmConfig::get('img_height', 90);
$this->file_name_thumb = $this->file_name.'_'.$width.'x'.$height;
return $this->file_name_thumb;
}
/**
* This function actually creates the thumb
* and when it is instanciated with one of the getImage function automatically updates the db
*
* @author Max Milbers
* @param boolean $save Execute update function
* @return name of the thumbnail
*/
public function createThumb($width=0,$height=0) {
if(empty($this->file_url_folder)){
vmError('Couldnt create thumb, no directory given. Activate vmdebug to understand which database entry is creating this error');
vmdebug('createThumb, no directory given',$this);
return FALSE;
}
if(empty($this->file_name)){
vmError('Couldnt create thumb, no name given. Activate vmdebug to understand which database entry is creating this error');
vmdebug('createThumb, no name given',$this);
return false;
}
$synchronise = vRequest::getString('synchronise',false);
if(!VmConfig::get('img_resize_enable') || $synchronise) return;
//now lets create the thumbnail, saving is done in this function
if(empty($width)) $width = VmConfig::get('img_width', 90);
if(empty($height)) $height = VmConfig::get('img_height', 90);
// Don't allow sizes beyond 2000 pixels //I dont think that this is good, should be config
// $width = min($width, 2000);
// $height = min($height, 2000);
$maxsize = false;
$bgred = 255;
$bggreen = 255;
$bgblue = 255;
$root = '';
$this->file_name_thumb = $this->createThumbName($width,$height);
if($this->file_is_forSale==0){
$rel_path = str_replace('/',DS,$this->file_url_folder);
$fullSizeFilenamePath = VMPATH_ROOT.DS.$rel_path.$this->file_name.'.'.$this->file_extension;
} else {
$fullSizeFilenamePath = $this->file_url_folder.$this->file_name.'.'.$this->file_extension;
}
$file_path_thumb = str_replace('/',DS,$this->file_url_folder_thumb);
$resizedFilenamePath = VMPATH_ROOT.DS.$file_path_thumb.$this->file_name_thumb.'.'.$this->file_extension;
$this->checkPathCreateFolders($file_path_thumb);
if (file_exists($fullSizeFilenamePath)) {
if (!class_exists('Img2Thumb')) require(VMPATH_ADMIN.DS.'helpers'.DS.'img2thumb.php');
$createdImage = new Img2Thumb($fullSizeFilenamePath, (int)$width, (int)$height, $resizedFilenamePath, $maxsize, $bgred, $bggreen, $bgblue);
if($createdImage){
return $this->file_url_folder_thumb.$this->file_name_thumb.'.'.$this->file_extension;
} else {
return 0;
}
} else {
vmError('Couldnt create thumb, file not found '.$fullSizeFilenamePath);
return 0;
}
}
public function checkPathCreateFolders($path){
$elements = explode(DS,$path);
$examine = VMPATH_ROOT;
if(!class_exists('JFolder')){
require(VMPATH_LIBS.DS.'joomla'.DS.'filesystem'.DS.'folder.php');
}
foreach($elements as $piece){
$examine = $examine.DS.$piece;
if(!JFolder::exists($examine)){
JFolder::create($examine);
vmInfo('create folder for resized image '.$examine);
}
}
}
/**
* Display an image icon for the given image and create a link to the given link.
*
* @param string $link Link to use in the href tag
* @param string $image Name of the image file to display
* @param string $text Text to use for the image alt text and to display under the image.
*/
static public function displayImageButton($link, $imageclass, $text, $mainclass = 'vmicon48', $extra="") {
$button = '<a title="' . $text . '" href="' . $link . '" '.$extra.'>';
$button .= '<span class="'.$mainclass.' '.$imageclass.'"></span>';
$button .= '<br />' . $text.'</a>';
echo $button;
}
}
Mini Shell