Magento 2 – Replacement for Varien_data_collection

An item name is not used in Magento\Framework\Console\CommandList. If you look into this class, you can see, that only values are used, however array keys are also available.

If you define in your module the same type and with same argument item name:

<type name="Magento\Framework\Console\CommandList">
    <arguments>
        <argument name="commands" xsi:type="array">
            <item name="testbedCommand" xsi:type="object">Your\Module\Command\Testbed</item>
        </argument>
    </arguments>
</type>

and you module goes after Pulsestorm\TutorialObjectManagerArguments, then as the argument you will get your value:

  <argument name="commands" xsi:type="array">
                <item name="testbedCommand" xsi:type="object">Your\Module\Command\Testbed</item>
  </argument>

After some research here is what I've found.

In Magento 2, you can use the following layout files to handle product type specific pages:

• catalog_product_view_type_simple.xml
• catalog_product_view_type_configurable.xml
• catalog_product_view_type_grouped.xml
• catalog_product_view_type_bundle.xml
• catalog_product_view_type_virtual.xml
• catalog_product_view_type_downloadable.xml

Magento 2 adds this specific handle via the initProductLayout method of Magento\Catalog\Helper\Product\View :

$resultPage->addPageLayoutHandles(
        ['id' => $product->getId(), 'sku' => $urlSafeSku, 'type' => $product->getTypeId()]
    );

In that particular case, the addPageLayoutHandles method adds the three following layout handle:

• catalog_product_view_id_productid
• catalog_product_view_sku_productsku

Hey! that's a new handle that wasn't present on M1

• and finally catalog_product_view_type_producttype

Full detail of the addPageLayoutHandles method:

public function addPageLayoutHandles(array $parameters = [], $defaultHandle = null)
{
    $handle = $defaultHandle ? $defaultHandle : $this->getDefaultLayoutHandle();
    $pageHandles = [$handle];
    foreach ($parameters as $key => $value) {
        $pageHandles[] = $handle . '_' . $key . '_' . $value;
    }
    // Do not sort array going into add page handles. Ensure default layout handle is added first.
    return $this->addHandle($pageHandles);
}

On top of that, it will also support your custom product type for instance if you create a product type with the name "test" you can then create a file called catalog_product_view_type_test.xml to handle specific layouts for this type of products.