Add categories column to the product grid in Magento admin

Question

I\'m trying to add a category column to the product grid. I\'ve modified Mage_Adminhtml_Block_Catalog_Product_Grid. Added the following to _prepareCollection<

Answer 1

I know it is too late to answer but recently i saw this question so i'm answering as it can help others too.

Reference here: here

You have to create an extension to display category in product grid. Please create following files and it will work for you:

Create a new file on app/code/local/SoftProdigy/AdminGridCategoryFilter/Block/Catalog/Product/Grid/Render/Category.php location and add following code:

load($row->getEntityId());
        $cats = $product->getCategoryIds();
        $allCats = '';
        foreach($cats as $key => $cat)
        {
            $_category = Mage::getModel('catalog/category')->load($cat);
            $allCats.= $_category->getName();
            if($key < count($cats)-1)
                $allCats.= ',
';
        }
        return $allCats;
    }

}

Create a new file on app/code/local/SoftProdigy/AdminGridCategoryFilter/etc/config.xml location and add following code:

    
        
            0.0.0.1
        
    
    
        
            
                SoftProdigy_AdminGridCategoryFilter_Model
            
        
        
            
                SoftProdigy_AdminGridCategoryFilter_Helper
            
        
        
            
                SoftProdigy_AdminGridCategoryFilter_Block
            
        
    
    
        
            
                
                    
                        admingridcategoryfilter/observer
                        addCategoryFilterToProductGrid
                    
                
            
        
    

Create a new file on app/code/local/SoftProdigy/AdminGridCategoryFilter/Helper/Data.php location and add following code:

Create a new file on app/code/local/SoftProdigy/AdminGridCategoryFilter/Model/Observer.php location and add following code:

getEvent()->getBlock();
        if( ($block instanceof Mage_Adminhtml_Block_Catalog_Product_Grid)  ) {
            $block->addColumnAfter('softprodigy_category_list', array(
                    'header'    => Mage::helper('admingridcategoryfilter')->__('Category'),
                    'index'     => 'softprodigy_category_list',
                    'sortable'  => false,
                    'width' => '250px',
                    'type'  => 'options',
                    'options'   => Mage::getSingleton('admingridcategoryfilter/system_config_source_category')->toOptionArray(),
                    'renderer'  => 'admingridcategoryfilter/catalog_product_grid_render_category',
                    'filter_condition_callback' => array($this, 'filterCallback'),
            ),'name');
        }
    }

    public function filterCallback($collection, $column)
    {
        $value = $column->getFilter()->getValue();
        $_category = Mage::getModel('catalog/category')->load($value);
        $collection->addCategoryFilter($_category);

        return $collection;
    }

}

Create a new file on app/code/local/SoftProdigy/AdminGridCategoryFilter/Model/System/Config/Source/Category.php location and add following code:

load_tree() as $category) {
            $options[$category['value']] =  $category['label'];
        }

        return $options;
    }



    public function buildCategoriesMultiselectValues(Varien_Data_Tree_Node $node, $values, $level = 0)
    {
        $level++;

        $values[$node->getId()]['value'] =  $node->getId();
        $values[$node->getId()]['label'] = str_repeat("--", $level) . $node->getName();

        foreach ($node->getChildren() as $child)
        {
            $values = $this->buildCategoriesMultiselectValues($child, $values, $level);
        }

        return $values;
    }

    public function load_tree()
    {
        $store = Mage::app()->getFrontController()->getRequest()->getParam('store', 0);
        $parentId = $store ? Mage::app()->getStore($store)->getRootCategoryId() : 1;  // Current store root category

        $tree = Mage::getResourceSingleton('catalog/category_tree')->load();

        $root = $tree->getNodeById($parentId);

        if($root && $root->getId() == 1)
        {
            $root->setName(Mage::helper('catalog')->__('Root'));
        }

        $collection = Mage::getModel('catalog/category')->getCollection()
        ->setStoreId($store)
        ->addAttributeToSelect('name')
        ->addAttributeToSelect('is_active');

        $tree->addCollectionData($collection, true);

        return $this->buildCategoriesMultiselectValues($root, array());
    }
}

Create a new file on app/etc/modules/SoftProdigy_AdminGridCategoryFilter.xml location and add following code:

    
        
            true
            local
            
                
                
            
        
    

Now clear cache from cache management and you can see category column in product grid.