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:  * Product Chooser for "Product Link" Cms Widget Plugin
 29:  *
 30:  * @category   Mage
 31:  * @package    Mage_Adminhtml
 32:  * @author     Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Adminhtml_Block_Catalog_Product_Widget_Chooser extends Mage_Adminhtml_Block_Widget_Grid
 35: {
 36:     protected $_selectedProducts = array();
 37: 
 38:     /**
 39:      * Block construction, prepare grid params
 40:      *
 41:      * @param array $arguments Object data
 42:      */
 43:     public function __construct($arguments=array())
 44:     {
 45:         parent::__construct($arguments);
 46:         $this->setDefaultSort('name');
 47:         $this->setUseAjax(true);
 48:     }
 49: 
 50:     /**
 51:      * Prepare chooser element HTML
 52:      *
 53:      * @param Varien_Data_Form_Element_Abstract $element Form Element
 54:      * @return Varien_Data_Form_Element_Abstract
 55:      */
 56:     public function prepareElementHtml(Varien_Data_Form_Element_Abstract $element)
 57:     {
 58:         $uniqId = Mage::helper('core')->uniqHash($element->getId());
 59:         $sourceUrl = $this->getUrl('*/catalog_product_widget/chooser', array(
 60:             'uniq_id' => $uniqId,
 61:             'use_massaction' => false,
 62:         ));
 63: 
 64:         $chooser = $this->getLayout()->createBlock('widget/adminhtml_widget_chooser')
 65:             ->setElement($element)
 66:             ->setTranslationHelper($this->getTranslationHelper())
 67:             ->setConfig($this->getConfig())
 68:             ->setFieldsetId($this->getFieldsetId())
 69:             ->setSourceUrl($sourceUrl)
 70:             ->setUniqId($uniqId);
 71: 
 72:         if ($element->getValue()) {
 73:             $value = explode('/', $element->getValue());
 74:             $productId = false;
 75:             if (isset($value[0]) && isset($value[1]) && $value[0] == 'product') {
 76:                 $productId = $value[1];
 77:             }
 78:             $categoryId = isset($value[2]) ? $value[2] : false;
 79:             $label = '';
 80:             if ($categoryId) {
 81:                 $label = Mage::getResourceSingleton('catalog/category')
 82:                     ->getAttributeRawValue($categoryId, 'name', Mage::app()->getStore()) . '/';
 83:             }
 84:             if ($productId) {
 85:                 $label .= Mage::getResourceSingleton('catalog/product')
 86:                     ->getAttributeRawValue($productId, 'name', Mage::app()->getStore());
 87:             }
 88:             $chooser->setLabel($label);
 89:         }
 90: 
 91:         $element->setData('after_element_html', $chooser->toHtml());
 92:         return $element;
 93:     }
 94: 
 95:     /**
 96:      * Checkbox Check JS Callback
 97:      *
 98:      * @return string
 99:      */
100:     public function getCheckboxCheckCallback()
101:     {
102:         if ($this->getUseMassaction()) {
103:             return "function (grid, element) {
104:                 $(grid.containerId).fire('product:changed', {element: element});
105:             }";
106:         }
107:     }
108: 
109:     /**
110:      * Grid Row JS Callback
111:      *
112:      * @return string
113:      */
114:     public function getRowClickCallback()
115:     {
116:         if (!$this->getUseMassaction()) {
117:             $chooserJsObject = $this->getId();
118:             return '
119:                 function (grid, event) {
120:                     var trElement = Event.findElement(event, "tr");
121:                     var productId = trElement.down("td").innerHTML;
122:                     var productName = trElement.down("td").next().next().innerHTML;
123:                     var optionLabel = productName;
124:                     var optionValue = "product/" + productId.replace(/^\s+|\s+$/g,"");
125:                     if (grid.categoryId) {
126:                         optionValue += "/" + grid.categoryId;
127:                     }
128:                     if (grid.categoryName) {
129:                         optionLabel = grid.categoryName + " / " + optionLabel;
130:                     }
131:                     '.$chooserJsObject.'.setElementValue(optionValue);
132:                     '.$chooserJsObject.'.setElementLabel(optionLabel);
133:                     '.$chooserJsObject.'.close();
134:                 }
135:             ';
136:         }
137:     }
138: 
139:     /**
140:      * Category Tree node onClick listener js function
141:      *
142:      * @return string
143:      */
144:     public function getCategoryClickListenerJs()
145:     {
146:         $js = '
147:             function (node, e) {
148:                 {jsObject}.addVarToUrl("category_id", node.attributes.id);
149:                 {jsObject}.reload({jsObject}.url);
150:                 {jsObject}.categoryId = node.attributes.id != "none" ? node.attributes.id : false;
151:                 {jsObject}.categoryName = node.attributes.id != "none" ? node.text : false;
152:             }
153:         ';
154:         $js = str_replace('{jsObject}', $this->getJsObjectName(), $js);
155:         return $js;
156:     }
157: 
158:     /**
159:      * Filter checked/unchecked rows in grid
160:      *
161:      * @param Mage_Adminhtml_Block_Widget_Grid_Column $column
162:      * @return Mage_Adminhtml_Block_Catalog_Product_Widget_Chooser
163:      */
164:     protected function _addColumnFilterToCollection($column)
165:     {
166:         if ($column->getId() == 'in_products') {
167:             $selected = $this->getSelectedProducts();
168:             if ($column->getFilter()->getValue()) {
169:                 $this->getCollection()->addFieldToFilter('entity_id', array('in'=>$selected));
170:             } else {
171:                 $this->getCollection()->addFieldToFilter('entity_id', array('nin'=>$selected));
172:             }
173:         } else {
174:             parent::_addColumnFilterToCollection($column);
175:         }
176:         return $this;
177:     }
178: 
179:     /**
180:      * Prepare products collection, defined collection filters (category, product type)
181:      *
182:      * @return Mage_Adminhtml_Block_Widget_Grid
183:      */
184:     protected function _prepareCollection()
185:     {
186:         /* @var $collection Mage_Catalog_Model_Resource_Eav_Mysql4_Product_Collection */
187:         $collection = Mage::getResourceModel('catalog/product_collection')
188:             ->setStoreId(0)
189:             ->addAttributeToSelect('name');
190: 
191:         if ($categoryId = $this->getCategoryId()) {
192:             $category = Mage::getModel('catalog/category')->load($categoryId);
193:             if ($category->getId()) {
194:                 // $collection->addCategoryFilter($category);
195:                 $productIds = $category->getProductsPosition();
196:                 $productIds = array_keys($productIds);
197:                 if (empty($productIds)) {
198:                     $productIds = 0;
199:                 }
200:                 $collection->addFieldToFilter('entity_id', array('in' => $productIds));
201:             }
202:         }
203: 
204:         if ($productTypeId = $this->getProductTypeId()) {
205:             $collection->addAttributeToFilter('type_id', $productTypeId);
206:         }
207: 
208:         $this->setCollection($collection);
209:         return parent::_prepareCollection();
210:     }
211: 
212:     /**
213:      * Prepare columns for products grid
214:      *
215:      * @return Mage_Adminhtml_Block_Widget_Grid
216:      */
217:     protected function _prepareColumns()
218:     {
219:         if ($this->getUseMassaction()) {
220:             $this->addColumn('in_products', array(
221:                 'header_css_class' => 'a-center',
222:                 'type'      => 'checkbox',
223:                 'name'      => 'in_products',
224:                 'inline_css' => 'checkbox entities',
225:                 'field_name' => 'in_products',
226:                 'values'    => $this->getSelectedProducts(),
227:                 'align'     => 'center',
228:                 'index'     => 'entity_id',
229:                 'use_index' => true,
230:             ));
231:         }
232: 
233:         $this->addColumn('entity_id', array(
234:             'header'    => Mage::helper('catalog')->__('ID'),
235:             'sortable'  => true,
236:             'width'     => '60px',
237:             'index'     => 'entity_id'
238:         ));
239:         $this->addColumn('chooser_sku', array(
240:             'header'    => Mage::helper('catalog')->__('SKU'),
241:             'name'      => 'chooser_sku',
242:             'width'     => '80px',
243:             'index'     => 'sku'
244:         ));
245:         $this->addColumn('chooser_name', array(
246:             'header'    => Mage::helper('catalog')->__('Product Name'),
247:             'name'      => 'chooser_name',
248:             'index'     => 'name'
249:         ));
250: 
251:         return parent::_prepareColumns();
252:     }
253: 
254:     /**
255:      * Adds additional parameter to URL for loading only products grid
256:      *
257:      * @return string
258:      */
259:     public function getGridUrl()
260:     {
261:         return $this->getUrl('*/catalog_product_widget/chooser', array(
262:             'products_grid' => true,
263:             '_current' => true,
264:             'uniq_id' => $this->getId(),
265:             'use_massaction' => $this->getUseMassaction(),
266:             'product_type_id' => $this->getProductTypeId()
267:         ));
268:     }
269: 
270:     /**
271:      * Setter
272:      *
273:      * @param array $selectedProducts
274:      * @return Mage_Adminhtml_Block_Catalog_Product_Widget_Chooser
275:      */
276:     public function setSelectedProducts($selectedProducts)
277:     {
278:         $this->_selectedProducts = $selectedProducts;
279:         return $this;
280:     }
281: 
282:     /**
283:      * Getter
284:      *
285:      * @return array
286:      */
287:     public function getSelectedProducts()
288:     {
289:         if ($selectedProducts = $this->getRequest()->getParam('selected_products', null)) {
290:             $this->setSelectedProducts($selectedProducts);
291:         }
292:         return $this->_selectedProducts;
293:     }
294: }
295: