1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_Catalog
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: /**
 28:  * Product gallery
 29:  *
 30:  * @category   Mage
 31:  * @package    Mage_Catalog
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Catalog_Block_Product_Gallery extends Mage_Core_Block_Template
 35: {
 36:     protected function _prepareLayout()
 37:     {
 38:         if ($headBlock = $this->getLayout()->getBlock('head')) {
 39:             $headBlock->setTitle($this->getProduct()->getMetaTitle());
 40:         }
 41:         return parent::_prepareLayout();
 42:     }
 43:     public function getProduct()
 44:     {
 45:         return Mage::registry('product');
 46:     }
 47: 
 48:     public function getGalleryCollection()
 49:     {
 50:         return $this->getProduct()->getMediaGalleryImages();
 51:     }
 52: 
 53:     public function getCurrentImage()
 54:     {
 55:         $imageId = $this->getRequest()->getParam('image');
 56:         $image = null;
 57:         if ($imageId) {
 58:             $image = $this->getGalleryCollection()->getItemById($imageId);
 59:         }
 60: 
 61:         if (!$image) {
 62:             $image = $this->getGalleryCollection()->getFirstItem();
 63:         }
 64:         return $image;
 65:     }
 66: 
 67:     public function getImageUrl()
 68:     {
 69:         return $this->getCurrentImage()->getUrl();
 70:     }
 71: 
 72:     public function getImageFile()
 73:     {
 74:         return $this->getCurrentImage()->getFile();
 75:     }
 76: 
 77:     /**
 78:      * Retrieve image width
 79:      *
 80:      * @return bool|int
 81:      */
 82:     public function getImageWidth()
 83:     {
 84:         $file = $this->getCurrentImage()->getPath();
 85:         if (file_exists($file)) {
 86:             $size = getimagesize($file);
 87:             if (isset($size[0])) {
 88:                 if ($size[0] > 600) {
 89:                     return 600;
 90:                 } else {
 91:                     return $size[0];
 92:                 }
 93:             }
 94:         }
 95: 
 96:         return false;
 97:     }
 98: 
 99:     public function getPreviusImage()
100:     {
101:         $current = $this->getCurrentImage();
102:         if (!$current) {
103:             return false;
104:         }
105:         $previus = false;
106:         foreach ($this->getGalleryCollection() as $image) {
107:             if ($image->getValueId() == $current->getValueId()) {
108:                 return $previus;
109:             }
110:             $previus = $image;
111:         }
112:         return $previus;
113:     }
114: 
115:     public function getNextImage()
116:     {
117:         $current = $this->getCurrentImage();
118:         if (!$current) {
119:             return false;
120:         }
121: 
122:         $next = false;
123:         $currentFind = false;
124:         foreach ($this->getGalleryCollection() as $image) {
125:             if ($currentFind) {
126:                 return $image;
127:             }
128:             if ($image->getValueId() == $current->getValueId()) {
129:                 $currentFind = true;
130:             }
131:         }
132:         return $next;
133:     }
134: 
135:     public function getPreviusImageUrl()
136:     {
137:         if ($image = $this->getPreviusImage()) {
138:             return $this->getUrl('*/*/*', array('_current'=>true, 'image'=>$image->getValueId()));
139:         }
140:         return false;
141:     }
142: 
143:     public function getNextImageUrl()
144:     {
145:         if ($image = $this->getNextImage()) {
146:             return $this->getUrl('*/*/*', array('_current'=>true, 'image'=>$image->getValueId()));
147:         }
148:         return false;
149:     }
150: }
151: