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Customize Templates

Customize Templates

Overview

This guide will cover customizing Storefront templates using an app.

Prerequisites

Before you begin, make sure you have:

Getting started

This guide assumes you have already set up your Shopware app. If not, refer to the app base guide for the initial setup.

The following sections give you a very short example of how you can extend a storefront block. For simplicity's sake, only the page logo is replaced with a 'Hello world!' text.

Setting up app's view directory

First of all, in your app's root, register your app's own view path, which basically 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 app's Resources directory, so the path could look like this: <app root>/Resources/views

Locating the template

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

INFO

There's a plugin out there called FroshDevelopmentHelper, that adds hints about template blocks and includes into the rendered HTML. This way, it's easier to actually find the proper template.

Overriding the template

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

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

Finally, you have to set up the following directory path in your app: <app root>/Resources/views/storefront/layout/header. Next, 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 app: <app root>/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.

Customizing the template

First extend from the original file, to override its blocks. Now fill your custom logo.html.twig file.

Put this line at the very beginning of your file:

twig
{% 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 are currently just extending from the original file with no overrides.

To replace the logo with some custom text, take a look at the block called layout_header_logo_link in the original file. Its contents 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:

twig
{% 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, you are done. However, you might have to clear the cache and refresh your storefront to see your changes in action. This can be done by using the following command:

bash
./bin/console cache:clear

INFO

Also remember to not only activate your app but also to assign your theme to the correct sales channel by clicking on it in the sidebar, going to the tab Theme and selecting your theme.

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 exactly the same as in Twig in general, so this won't be explained here in detail. However, this is how you use a variable: {{ variableName }}

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

twig
{{ dump() }}

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

INFO

Once again, the plugin called FroshDevelopmentHelper adds all available page data to the Twig tab in the profiler, when opening a request and its details. This might help here as well.