How to Customize Templates Using Custom Plugin in Shopware 6?

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How to Customize Templates Using Custom Plugin in Shopware 6?

Overview

This guide will cover the steps to customize templates using custom plugin.

Prerequisites

As most guides, this guide is built upon the plugin base guide, so you might want to have a look at it. Other than that, knowing Twig is a big advantage for this guide, but that’s not necessary.

Getting started

In this guide you will see a very short example of how you can extend a storefront block. For simplicity’s sake, only the logo is replaced with a ‘Hello world!’ text.

Setting up your view directory

First of all you need to register your plugin’s view path, which represents a path in which Shopware 6 is looking for template-files. By default, Shopware 6 is looking for a directory called views in your plugin’s Resources directory, so the path could look like this: <plugin root>/src/Resources/views

Finding the proper template

As mentioned earlier, this guide is only trying to replace the ‘demo’ logo with a ‘Hello world!’ text. To find the proper template, you can simply search for the term ‘logo’ inside of the <shopware root>/src/Storefront directory. This will eventually lead you to this file.

Overriding this file now requires you to copy the same directory structure starting from the views directory. In this case, the file logo.html.twig is located in a directory called storefront/layout/header, so make sure to remember this path.

Overriding the template

Now, that you’ve found the proper template for the logo, you can override it.

This is done by creating the very same directory structure for your custom file, which is also being used in the Storefront core. As you hopefully remember, you have to set up the following directory path in your plugin: <plugin root>/src/Resources/views/storefront/layout/header In there you want to create a new file called logo.html.twig, just like the original file. Once more to understand what’s going on here: In the Storefront code, the path to the logo file looks like this: Storefront/Resources/views/storefront/layout/header/logo.html.twig Now have a look at the path being used in your plugin: <plugin root>/src/Resources/views/storefront/layout/header/logo.html.twig

Starting from the views directory, the path is exactly the same, and that’s the important part for your custom template to be loaded automatically.

Interesting Read: How to add error handling in Shopware 6

Custom template content

It’s time to fill your custom logo.html.twig file. First of all, you want to extend from the original file, so you can override its blocks.

Put this line at the very beginning of your file:

{% sw_extends ‘@Storefront/storefront/layout/header/logo.html.twig’ %}

This is simply extending the logo.html.twig file from the Storefront bundle. If you would leave the file like that, it wouldn’t change anything, as you’re currently just extending from the original file with no overrides.

You want to replace the logo with some custom text though, so let’s have a look at the original file. In there you’ll find a block called layout_header_logo_link. Its contents than would create an anchor tag, which is not necessary for our case anymore, so this seems to be a great block to override.

To override it now, just add the very same block into your custom file and replace its contents:

{% sw_extends ‘@Storefront/storefront/layout/header/logo.html.twig’ %}

{% block layout_header_logo_link %}

<h2>Hello world!</h2>

{% endblock %}

If you wanted to append your text to the logo instead of replacing it, you could add a line like this to your override: {{ parent() }}

And that’s it already, you’re done. You might have to clear the cache and refresh your storefront to see your changes in action. This can be done by using the command following command inside your command line:

Development template

./psh.phar cache

Finding variables

Of course this example is very simplified and does not use any variables, even though you most likely want to do that. Using variables is the same as in Twig in general, so this won’t be explained here in detail. Still, this is how you use a variable: {{ variableName }}

But rather than that, how do you know which variables are available to use? For this case, you can just dump all available variables:

{{ dump() }}

This dump() call will print out all variables available on this page.

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