![]() Whether it's the content of a node, the site logo displayed in the header, or even the header region itself, the required HTML is rendered from a template. In order for this to work, every component in Drupal that needs to display something in the browser provides a simple, minimal, HTML template for that element. Either way, if it's HTML, you can change it with a theme. Some themes only need to modify a few select bits, while others may choose to override nearly everything. Rather than starting from scratch, Drupal themes start from an existing HTML framework and make changes as needed by overriding and changing just the necessary templates. Themes are generally one of the first places where code is customized for a Drupal site, and are in many cases unique to the specific site they were created for. Each individual theme is a collection of files that define the presentation layer for your application. ![]() Themers, or theme developers, use HTML, CSS, JavaScript, and other front-end assets in order to implement a design for their site. Themes are what make a Drupal website look the way it does. GoalĮxplain what the role of a theme is, and the kind of code they are composed of. Get a high level overview of the types of files/code that themes are made of.īy the end of this tutorial you should be able to explain what a Drupal theme is, and the kind of work a Drupal theme developer will be expected to do.Explain the role of a Drupal themer in the process of building a Drupal site.Themes consist of standard web assets like CSS, JavaScript, and images, combined with Drupal-specific templates for generating HTML markup, and YAML files for telling Drupal about the file and features that make up each individual theme. Frequently referred to as themers, or theme developers. Whenever a page is requested Drupal does the work of assembling the content to display into structured data which is then handed off to the presentation layer to determine how to visually represent the data provided.ĭrupal themes are created by front-end developer. You can think of a theme as a layer, kind of like a screen, that exists between your Drupal content and the users of your site. Themes are the part of Drupal that you, and anyone else visiting your Drupal powered application, see when they view any page in their browser.
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