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_Adminhtml
 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:  * Related products admin grid
 29:  *
 30:  * @category   Mage
 31:  * @package    Mage_Adminhtml
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Adminhtml_Block_Catalog_Product_Edit_Tab_Related extends Mage_Adminhtml_Block_Widget_Grid
 35: {
 36:     /**
 37:      * Set grid params
 38:      *
 39:      */
 40:     public function __construct()
 41:     {
 42:         parent::__construct();
 43:         $this->setId('related_product_grid');
 44:         $this->setDefaultSort('entity_id');
 45:         $this->setUseAjax(true);
 46:         if ($this->_getProduct()->getId()) {
 47:             $this->setDefaultFilter(array('in_products' => 1));
 48:         }
 49:         if ($this->isReadonly()) {
 50:             $this->setFilterVisibility(false);
 51:         }
 52:     }
 53: 
 54:     /**
 55:      * Retirve currently edited product model
 56:      *
 57:      * @return Mage_Catalog_Model_Product
 58:      */
 59:     protected function _getProduct()
 60:     {
 61:         return Mage::registry('current_product');
 62:     }
 63: 
 64:     /**
 65:      * Add filter
 66:      *
 67:      * @param object $column
 68:      * @return Mage_Adminhtml_Block_Catalog_Product_Edit_Tab_Related
 69:      */
 70:     protected function _addColumnFilterToCollection($column)
 71:     {
 72:         // Set custom filter for in product flag
 73:         if ($column->getId() == 'in_products') {
 74:             $productIds = $this->_getSelectedProducts();
 75:             if (empty($productIds)) {
 76:                 $productIds = 0;
 77:             }
 78:             if ($column->getFilter()->getValue()) {
 79:                 $this->getCollection()->addFieldToFilter('entity_id', array('in' => $productIds));
 80:             } else {
 81:                 if($productIds) {
 82:                     $this->getCollection()->addFieldToFilter('entity_id', array('nin' => $productIds));
 83:                 }
 84:             }
 85:         } else {
 86:             parent::_addColumnFilterToCollection($column);
 87:         }
 88:         return $this;
 89:     }
 90: 
 91:     /**
 92:      * Prepare collection
 93:      *
 94:      * @return Mage_Adminhtml_Block_Widget_Grid
 95:      */
 96:     protected function _prepareCollection()
 97:     {
 98:         $collection = Mage::getModel('catalog/product_link')->useRelatedLinks()
 99:             ->getProductCollection()
100:             ->setProduct($this->_getProduct())
101:             ->addAttributeToSelect('*');
102: 
103:         if ($this->isReadonly()) {
104:             $productIds = $this->_getSelectedProducts();
105:             if (empty($productIds)) {
106:                 $productIds = array(0);
107:             }
108:             $collection->addFieldToFilter('entity_id', array('in' => $productIds));
109:         }
110: 
111:         $this->setCollection($collection);
112:         return parent::_prepareCollection();
113:     }
114: 
115:     /**
116:      * Checks when this block is readonly
117:      *
118:      * @return boolean
119:      */
120:     public function isReadonly()
121:     {
122:         return $this->_getProduct()->getRelatedReadonly();
123:     }
124: 
125:     /**
126:      * Add columns to grid
127:      *
128:      * @return Mage_Adminhtml_Block_Widget_Grid
129:      */
130:     protected function _prepareColumns()
131:     {
132:         if (!$this->isReadonly()) {
133:             $this->addColumn('in_products', array(
134:                 'header_css_class'  => 'a-center',
135:                 'type'              => 'checkbox',
136:                 'name'              => 'in_products',
137:                 'values'            => $this->_getSelectedProducts(),
138:                 'align'             => 'center',
139:                 'index'             => 'entity_id'
140:             ));
141:         }
142: 
143:         $this->addColumn('entity_id', array(
144:             'header'    => Mage::helper('catalog')->__('ID'),
145:             'sortable'  => true,
146:             'width'     => 60,
147:             'index'     => 'entity_id'
148:         ));
149: 
150:         $this->addColumn('name', array(
151:             'header'    => Mage::helper('catalog')->__('Name'),
152:             'index'     => 'name'
153:         ));
154: 
155:         $this->addColumn('type', array(
156:             'header'    => Mage::helper('catalog')->__('Type'),
157:             'width'     => 100,
158:             'index'     => 'type_id',
159:             'type'      => 'options',
160:             'options'   => Mage::getSingleton('catalog/product_type')->getOptionArray(),
161:         ));
162: 
163:         $sets = Mage::getResourceModel('eav/entity_attribute_set_collection')
164:             ->setEntityTypeFilter(Mage::getModel('catalog/product')->getResource()->getTypeId())
165:             ->load()
166:             ->toOptionHash();
167: 
168:         $this->addColumn('set_name', array(
169:             'header'    => Mage::helper('catalog')->__('Attrib. Set Name'),
170:             'width'     => 130,
171:             'index'     => 'attribute_set_id',
172:             'type'      => 'options',
173:             'options'   => $sets,
174:         ));
175: 
176:         $this->addColumn('status', array(
177:             'header'    => Mage::helper('catalog')->__('Status'),
178:             'width'     => 90,
179:             'index'     => 'status',
180:             'type'      => 'options',
181:             'options'   => Mage::getSingleton('catalog/product_status')->getOptionArray(),
182:         ));
183: 
184:         $this->addColumn('visibility', array(
185:             'header'    => Mage::helper('catalog')->__('Visibility'),
186:             'width'     => 90,
187:             'index'     => 'visibility',
188:             'type'      => 'options',
189:             'options'   => Mage::getSingleton('catalog/product_visibility')->getOptionArray(),
190:         ));
191: 
192:         $this->addColumn('sku', array(
193:             'header'    => Mage::helper('catalog')->__('SKU'),
194:             'width'     => 80,
195:             'index'     => 'sku'
196:         ));
197: 
198:         $this->addColumn('price', array(
199:             'header'        => Mage::helper('catalog')->__('Price'),
200:             'type'          => 'currency',
201:             'currency_code' => (string) Mage::getStoreConfig(Mage_Directory_Model_Currency::XML_PATH_CURRENCY_BASE),
202:             'index'         => 'price'
203:         ));
204: 
205:         $this->addColumn('position', array(
206:             'header'            => Mage::helper('catalog')->__('Position'),
207:             'name'              => 'position',
208:             'type'              => 'number',
209:             'validate_class'    => 'validate-number',
210:             'index'             => 'position',
211:             'width'             => 60,
212:             'editable'          => !$this->_getProduct()->getRelatedReadonly(),
213:             'edit_only'         => !$this->_getProduct()->getId()
214:         ));
215: 
216:         return parent::_prepareColumns();
217:     }
218: 
219:     /**
220:      * Rerieve grid URL
221:      *
222:      * @return string
223:      */
224:     public function getGridUrl()
225:     {
226:         return $this->getData('grid_url')
227:             ? $this->getData('grid_url')
228:             : $this->getUrl('*/*/relatedGrid', array('_current' => true));
229:     }
230: 
231:     /**
232:      * Retrieve selected related products
233:      *
234:      * @return array
235:      */
236:     protected function _getSelectedProducts()
237:     {
238:         $products = $this->getProductsRelated();
239:         if (!is_array($products)) {
240:             $products = array_keys($this->getSelectedRelatedProducts());
241:         }
242:         return $products;
243:     }
244: 
245:     /**
246:      * Retrieve related products
247:      *
248:      * @return array
249:      */
250:     public function getSelectedRelatedProducts()
251:     {
252:         $products = array();
253:         foreach (Mage::registry('current_product')->getRelatedProducts() as $product) {
254:             $products[$product->getId()] = array('position' => $product->getPosition());
255:         }
256:         return $products;
257:     }
258: }
259: