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I am receiving error when I use plugin to modify Invoice Items template. 

Exception #0 (RuntimeException): Renderer list for block "sales.order.invoice" is not defined

This seems like a weird bug, I tried to add sequence in module.xml for Magento_Sales, but still gives the error.

Is there a better way to override this template file?

In my \Vendor\Module\etc\frontend\di.xml

<type name="Magento\Sales\Block\Order\Invoice\Items">
    <plugin name="vendor_module_sales_order_invoice_items" type="Vendor\Module\Plugin\Sales\Order\Invoice\Items" />
</type>

My plugin file \Vendor\Module\Plugin\Sales\Order\Invoice\Items.php

<?php
namespace Vendor\Module\Plugin\Sales\Order\Invoice;

use Vendor\Module\Helper\Data as Helper;

class Items
{
    protected $_helper;

    public function __construct(
        Helper $_helper
    ) 
    {
        $this->_helper = $_helper;
    }

    public function beforeToHtml($subject)
    {
        if(!$this->_helper->isEnabled()) {
            return;
        }

        $subject->setTemplate("Vendor_Module::sales/order/invoice/items.phtml");
        return;
    }
}

Has anyone else encountered this? And is there a better way to workaround this problem? I am using Magento version 2.3.1.

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2 Answers 2

Reset to default
1

The best method of changes the template of a Block class Magento\Sales\Block\Order\Invoice\Items using plugin that getTemplate.

Here plugin code

<?php
namespace Vendor\Module\Plugin\Sales\Order\Invoice;

use Vendor\Module\Helper\Data as Helper;

class Items
{
    protected $_helper;

    public function __construct(
        Helper $_helper
    ) 
    {
        $this->_helper = $_helper;
    }

    public function afterGetTemplate(
        \Magento\Sales\Block\Order\Invoice\Items $subject,
        $result
    ) {
        if(!$this->_helper->isEnabled()) {
          return $result;  
        }

        return "Vendor_Module::sales/order/invoice/items.phtml";
    }   
}

If you want to continue with your beforeToHtml then changes return tpye

namespace Vendor\Module\Plugin\Sales\Order\Invoice;

use Vendor\Module\Helper\Data as Helper;

class Items
{
    protected $_helper;

    public function __construct(
        Helper $_helper
    ) 
    {
        $this->_helper = $_helper;
    }

    public function beforeToHtml($subject)
    {
        if(!$this->_helper->isEnabled()) {
            return [];
        }

        $subject->setTemplate("Vendor_Module::sales/order/invoice/items.phtml");
        $return [];
    }

}
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2
  • So @Amit Bera, just out of curiosity, is there any other way to override a template other than using a plugin? I always thought the only way to do it was to override the corresponding layout file or recreating the template in the <theme_dir>. So which is recommended way to do? Would you please shed some light on that. It would be very helpful to me. Thanks in, advance.
    – Mathanagopal S
    Commented Mar 15, 2020 at 8:36
  • @Amit Bera I agree both those solutions SHOULD be working, but neither of them do, still returns the same error. Exception #0 (RuntimeException): Renderer list for block "sales.order.invoice" is not defined
    – user59268
    Commented Mar 16, 2020 at 7:30
0

You can try different approach
Create new layout file: 

Vendor/Module/view/frontend/layout/sales_order_invoice.xml

with content:

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. 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="invoice_items">
            <action method="setTemplate">
                <argument name="template" xsi:type="string">Vendor_Module::order/invoice/items.phtml</argument>
            </action>
        </referenceBlock>
    </body>
</page>

Create new .phtml file 

Vendor/Module/view/frontend/templates/order/invoice/items.phtml

with content that you wanna customize or copied from default Magento.

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