How to override a block without name?

magento.stackexchange https://magento.stackexchange.com/questions/182371

문제

I am trying to override following file

module-bundle/view/adminhtml/layout/sales_order_creditmemo_new.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceBlock name="order_items">
            <block class="Magento\Bundle\Block\Adminhtml\Sales\Order\Items\Renderer" as="bundle" template="sales/creditmemo/create/items/renderer.phtml"/>
        </referenceBlock>
    </body>
</page>

I override it by creating same name layout file in my module

Vendor_App/view/adminhtml/layout/sales_order_creditmemo_new.xml

<referenceBlock name="order_items">
    <block class="Vendor\App\Block\Adminhtml\Sales\Order\Items\Renderer" as="bundle" template="Vendor_App::sales/creditmemo/create/items/renderer.phtml"/>
</referenceBlock>

But my class and template are not overridden. I have created the class and phtml in my module.

I tried to override it using di.xml by adding following code.

<preference for="Magento\Bundle\Block\Adminhtml\Sales\Order\Items\Renderer" type="Vendor\App\Block\Adminhtml\Sales\Order\Items\Renderer"/>

And this works, but the problem is, on clicking Update Qty's button, it fetches my template instead of its own template as the layout for Update Qty is different.

I tried above thing with Configurable and simple product both works perfectly, only bundle type is creating issue.

도움이 되었습니까?

해결책

You can use setChild() to replace a block by its alias. First create the new block with a name, then call setChild() via <action>:

<referenceBlock name="order_items">
    <block class="Vendor\App\Block\Adminhtml\Sales\Order\Items\Renderer" name="custom_renderer" template="Vendor_App::sales/creditmemo/create/items/renderer.phtml"/>

    <action method="setChild">
        <argument name="alias" xsi:type="string">bundle</argument>
        <argument name="block" xsi:type="string">custom_renderer</argument>
    </action>
</referenceBlock>

다른 팁

Please check my answer here: https://magento.stackexchange.com/a/239387/14403

I believe that is the same solution you are looking for.

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