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:  * Crossell 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_Crosssell 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('cross_sell_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 $column
 68:      * @return Mage_Adminhtml_Block_Catalog_Product_Edit_Tab_Crosssell
 69:      */
 70:     protected function _addColumnFilterToCollection($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:         /* @var $collection Mage_Catalog_Model_Resource_Product_Link_Product_Collection */
 99:         $collection = Mage::getModel('catalog/product_link')->useCrossSellLinks()
100:             ->getProductCollection()
101:             ->setProduct($this->_getProduct())
102:             ->addAttributeToSelect('*');
103: 
104:         if ($this->isReadonly()) {
105:             $productIds = $this->_getSelectedProducts();
106:             if (empty($productIds)) {
107:                 $productIds = array(0);
108:             }
109:             $collection->addFieldToFilter('entity_id', array('in' => $productIds));
110:         }
111: 
112: 
113:         $this->setCollection($collection);
114: 
115:         return parent::_prepareCollection();
116:     }
117: 
118:     /**
119:      * Checks when this block is readonly
120:      *
121:      * @return boolean
122:      */
123:     public function isReadonly()
124:     {
125:         return $this->_getProduct()->getCrosssellReadonly();
126:     }
127: 
128:     /**
129:      * Add columns to grid
130:      *
131:      * @return Mage_Adminhtml_Block_Widget_Grid
132:      */
133:     protected function _prepareColumns()
134:     {
135:         if (!$this->isReadonly()) {
136:             $this->addColumn('in_products', array(
137:                 'header_css_class'  => 'a-center',
138:                 'type'              => 'checkbox',
139:                 'name'              => 'in_products',
140:                 'values'            => $this->_getSelectedProducts(),
141:                 'align'             => 'center',
142:                 'index'             => 'entity_id'
143:             ));
144:         }
145: 
146:         $this->addColumn('entity_id', array(
147:             'header'    => Mage::helper('catalog')->__('ID'),
148:             'sortable'  => true,
149:             'width'     => 60,
150:             'index'     => 'entity_id'
151:         ));
152: 
153:         $this->addColumn('name', array(
154:             'header'    => Mage::helper('catalog')->__('Name'),
155:             'index'     => 'name'
156:         ));
157: 
158:         $this->addColumn('type', array(
159:             'header'    => Mage::helper('catalog')->__('Type'),
160:             'width'     => 100,
161:             'index'     => 'type_id',
162:             'type'      => 'options',
163:             'options'   => Mage::getSingleton('catalog/product_type')->getOptionArray(),
164:         ));
165: 
166:         $sets = Mage::getResourceModel('eav/entity_attribute_set_collection')
167:             ->setEntityTypeFilter(Mage::getModel('catalog/product')->getResource()->getTypeId())
168:             ->load()
169:             ->toOptionHash();
170: 
171:         $this->addColumn('set_name', array(
172:             'header'    => Mage::helper('catalog')->__('Attrib. Set Name'),
173:             'width'     => 130,
174:             'index'     => 'attribute_set_id',
175:             'type'      => 'options',
176:             'options'   => $sets,
177:         ));
178: 
179:         $this->addColumn('status', array(
180:             'header'    => Mage::helper('catalog')->__('Status'),
181:             'width'     => 90,
182:             'index'     => 'status',
183:             'type'      => 'options',
184:             'options'   => Mage::getSingleton('catalog/product_status')->getOptionArray(),
185:         ));
186: 
187:         $this->addColumn('visibility', array(
188:             'header'    => Mage::helper('catalog')->__('Visibility'),
189:             'width'     => 90,
190:             'index'     => 'visibility',
191:             'type'      => 'options',
192:             'options'   => Mage::getSingleton('catalog/product_visibility')->getOptionArray(),
193:         ));
194: 
195:         $this->addColumn('sku', array(
196:             'header'    => Mage::helper('catalog')->__('SKU'),
197:             'width'     => 80,
198:             'index'     => 'sku'
199:         ));
200: 
201:         $this->addColumn('price', array(
202:             'header'        => Mage::helper('catalog')->__('Price'),
203:             'type'          => 'currency',
204:             'currency_code' => (string) Mage::getStoreConfig(Mage_Directory_Model_Currency::XML_PATH_CURRENCY_BASE),
205:             'index'         => 'price'
206:         ));
207: 
208: 
209:         $this->addColumn('position', array(
210:             'header'            => Mage::helper('catalog')->__('Position'),
211:             'name'              => 'position',
212:             'width'             => 60,
213:             'type'              => 'number',
214:             'validate_class'    => 'validate-number',
215:             'index'             => 'position',
216:             'editable'          => !$this->isReadonly(),
217:             'edit_only'         => !$this->_getProduct()->getId()
218:         ));
219: 
220:         return parent::_prepareColumns();
221:     }
222: 
223:     /**
224:      * Rerieve grid URL
225:      *
226:      * @return string
227:      */
228:     public function getGridUrl()
229:     {
230:         return $this->_getData('grid_url') ? $this->_getData('grid_url') : $this->getUrl('*/*/crosssellGrid', array('_current'=>true));
231:     }
232: 
233:     /**
234:      * Retrieve selected crosssell products
235:      *
236:      * @return array
237:      */
238:     protected function _getSelectedProducts()
239:     {
240:         $products = $this->getProductsCrossSell();
241:         if (!is_array($products)) {
242:             $products = array_keys($this->getSelectedCrossSellProducts());
243:         }
244:         return $products;
245:     }
246: 
247:     /**
248:      * Retrieve crosssell products
249:      *
250:      * @return array
251:      */
252:     public function getSelectedCrossSellProducts()
253:     {
254:         $products = array();
255:         foreach (Mage::registry('current_product')->getCrossSellProducts() as $product) {
256:             $products[$product->getId()] = array('position' => $product->getPosition());
257:         }
258:         return $products;
259:     }
260: }
261: