MAGETWO-35896: PHP - Apply New Data Grids in Products Data Grids

-- MAGETWO-35868:  [Admin] Applying Enhanced Grid Component to Product Grid
-- quantity column

app/code/Magento/Catalog/Ui/DataProvider/Product/AddStoreFieldToCollection.php

@@ -12,7 +12,7 @@ use Magento\Store\Model\StoreManagerInterface;
 use Magento\Ui\DataProvider\AddFieldToCollectionInterface;
 
 /**
- * Class AddFieldToCollection
+ * Class AddStoreFieldToCollection
  */
 class AddStoreFieldToCollection implements AddFieldToCollectionInterface
 {

app/code/Magento/Catalog/Ui/DataProvider/Product/AddWebsitesFieldToCollection.php

@@ -9,7 +9,7 @@ use Magento\Framework\Data\Collection;
 use Magento\Ui\DataProvider\AddFieldToCollectionInterface;
 
 /**
- * Class AddFieldToCollection
+ * Class AddWebsitesFieldToCollection
  */
 class AddWebsitesFieldToCollection implements AddFieldToCollectionInterface
 {

app/code/Magento/Catalog/Ui/DataProvider/Product/ProductDataProvider.php

@@ -6,11 +6,9 @@
 namespace Magento\Catalog\Ui\DataProvider\Product;
 
 use Magento\Catalog\Model\Resource\Product\CollectionFactory;
-use Magento\Store\Model\Store;
-use Magento\Store\Model\StoreManagerInterface;
 
 /**
- * Class GridDataProvider
+ * Class ProductDataProvider
  */
 class ProductDataProvider extends \Magento\Ui\DataProvider\AbstractEavDataProvider
 {

app/code/Magento/Catalog/etc/adminhtml/di.xml

@@ -70,8 +70,7 @@
         <arguments>
             <argument name="addFieldStrategies" xsi:type="array">
                 <item name="default" xsi:type="object">Magento\Ui\DataProvider\AddFieldToEavCollection</item>
-                <!-- Temporary disabled: collection load issue -->
-                <!--<item name="websites" xsi:type="object">Magento\Catalog\Ui\DataProvider\Product\AddWebsitesFieldToCollection</item>-->
+                <item name="websites" xsi:type="object">Magento\Catalog\Ui\DataProvider\Product\AddWebsitesFieldToCollection</item>
                 <item name="store" xsi:type="object">Magento\Catalog\Ui\DataProvider\Product\AddStoreFieldToCollection</item>
             </argument>
         </arguments>

app/code/Magento/CatalogInventory/Ui/DataProvider/Product/AddQuantityFieldToCollection.php

+<?php
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\CatalogInventory\Ui\DataProvider\Product;
+
+use Magento\Framework\Data\Collection;
+use Magento\Ui\DataProvider\AddFieldToCollectionInterface;
+
+/**
+ * Class AddQuantityFieldToCollection
+ */
+class AddQuantityFieldToCollection implements AddFieldToCollectionInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function addField(Collection $collection, $field, $alias = null)
+    {
+        $collection->joinField(
+            'qty',
+            'cataloginventory_stock_item',
+            'qty',
+            'product_id=entity_id',
+            '{{table}}.stock_id=1',
+            'left'
+        );
+    }
+}

app/code/Magento/CatalogInventory/etc/adminhtml/di.xml

@@ -19,4 +19,11 @@
             <argument name="qtyCheckApplicable" xsi:type="boolean">false</argument>
         </arguments>
     </type>
+    <type name="Magento\Catalog\Ui\DataProvider\Product\ProductDataProvider">
+        <arguments>
+            <argument name="addFieldStrategies" xsi:type="array">
+                <item name="qty" xsi:type="object">Magento\CatalogInventory\Ui\DataProvider\Product\AddQuantityFieldToCollection</item>
+            </argument>
+        </arguments>
+    </type>
 </config>

app/code/Magento/CatalogInventory/view/adminhtml/ui_component/product_listing.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<listing xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../Ui/etc/ui_configuration.xsd">
+    <columns name="product_columns" class="Magento\Catalog\Ui\Component\Listing\Columns">
+        <column name="qty">
+            <argument name="data" xsi:type="array">
+                <item name="js_config" xsi:type="array">
+                    <item name="component" xsi:type="string">Magento_Ui/js/grid/columns/sortable</item>
+                </item>
+                <item name="config" xsi:type="array">
+                    <item name="add_field" xsi:type="boolean">true</item>
+                    <item name="dataType" xsi:type="string">text</item>
+                    <item name="align" xsi:type="string">left</item>
+                    <item name="label" xsi:type="string" translate="true">Quantity</item>
+                </item>
+            </argument>
+        </column>
+    </columns>
+</listing>