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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* Product gallery
*
* @author Magento Core Team <core@magentocommerce.com>
*/
namespace Magento\Catalog\Block\Product;
use Magento\Catalog\Model\Product;
use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\Data\Collection;
/**
* Product gallery block
*
* @api
* @since 100.0.2
*/
class Gallery extends \Magento\Framework\View\Element\Template
{
/**
* Core registry
*
* @var \Magento\Framework\Registry
*/
protected $_coreRegistry = null;
/**
* @param \Magento\Framework\View\Element\Template\Context $context
* @param \Magento\Framework\Registry $registry
* @param array $data
*/
public function __construct(
\Magento\Framework\View\Element\Template\Context $context,
\Magento\Framework\Registry $registry,
array $data = []
) {
$this->_coreRegistry = $registry;
parent::__construct($context, $data);
}
/**
* Prepare layout
*
* @return $this
*/
protected function _prepareLayout()
{
$this->pageConfig->getTitle()->set($this->getProduct()->getMetaTitle());
return parent::_prepareLayout();
}
/**
* Get product
*
* @return Product
*/
public function getProduct()
{
return $this->_coreRegistry->registry('product');
}
/**
* Get gallery collection
*
* @return Collection
*/
public function getGalleryCollection()
{
return $this->getProduct()->getMediaGalleryImages();
}
/**
* Get current image
*
* @return Image|null
*/
public function getCurrentImage()
{
$imageId = $this->getRequest()->getParam('image');
$image = null;
if ($imageId) {
$image = $this->getGalleryCollection()->getItemById($imageId);
}
if (!$image) {
$image = $this->getGalleryCollection()->getFirstItem();
}
return $image;
}
/**
* Get image url
*
* @return string
*/
public function getImageUrl()
{
return $this->getCurrentImage()->getUrl();
}
/**
* Get image file
*
* @return mixed
*/
public function getImageFile()
{
return $this->getCurrentImage()->getFile();
}
/**
* Retrieve image width
*
* @return bool|int
*/
public function getImageWidth()
{
$file = $this->getCurrentImage()->getPath();
if ($this->_filesystem->getDirectoryRead(DirectoryList::MEDIA)->isFile($file)) {
$size = getimagesize($file);
if (isset($size[0])) {
if ($size[0] > 600) {
return 600;
} else {
return (int) $size[0];
}
}
}
return false;
}
/**
* Get previous image
*
* @return Image|false
*/
public function getPreviousImage()
{
$current = $this->getCurrentImage();
if (!$current) {
return false;
}
$previous = false;
foreach ($this->getGalleryCollection() as $image) {
if ($image->getValueId() == $current->getValueId()) {
return $previous;
}
$previous = $image;
}
return $previous;
}
/**
* Get next image
*
* @return Image|false
*/
public function getNextImage()
{
$current = $this->getCurrentImage();
if (!$current) {
return false;
}
$next = false;
$currentFind = false;
foreach ($this->getGalleryCollection() as $image) {
if ($currentFind) {
return $image;
}
if ($image->getValueId() == $current->getValueId()) {
$currentFind = true;
}
}
return $next;
}
/**
* Get previous image url
*
* @return false|string
*/
public function getPreviousImageUrl()
{
$image = $this->getPreviousImage();
if ($image) {
return $this->getUrl('*/*/*', ['_current' => true, 'image' => $image->getValueId()]);
}
return false;
}
/**
* Get next image url
*
* @return false|string
*/
public function getNextImageUrl()
{
$image = $this->getNextImage();
if ($image) {
return $this->getUrl('*/*/*', ['_current' => true, 'image' => $image->getValueId()]);
}
return false;
}
}