Contents
How are theme functions named in Drupal 7?
New in Drupal 7, theme functions can have preprocess functions just like templates. Copying and modifying template files are still considered more friendly for themers than overriding theme functions in template.php. Theme functions are named by prepending ‘theme_’ to the name of the hook.
How to add CSS and JavaScript in Drupal?
The stylesheets property (for adding CSS) in THEME. info has been removed and replaced by *. libraries. yml where `*` is the name of the theme or module. The scripts property (for adding JS) in THEME. info has been removed and also replaced by *. libraries. yml where `*` is the name of the theme or module.
How to add stylesheets to a Drupal theme?
Declare the dependency with an extension name followed by a slash, followed by the library name, in this case core / jquery. If another library required cuddly – slider it would declare: fluffiness / cuddly – slider, the theme name, followed by the library name.
How to define a library in Drupal 7?
In Drupal 7 libraries had to be defined using hook_library_info(). That has been replaced with *. libraries. yml file. Save the CSS or JS to a file using the proper naming conventions and file structure. Define a “library”, which registers these CSS/JS files with your theme.
What is the theme hook function in Drupal?
Every chunk of output that is themed through the theme() function is called a theme hook. There are two ways to provide a default implementation. The easier way is to provide a function, and the recommended way is to provide a template and a corresponding preprocessor function. We’ll expand on this in a little bit.
Which is better Drupal 7 or template.php?
This is somewhat faster performance than loading template files. New in Drupal 7, theme functions can have preprocess functions just like templates. Copying and modifying template files are still considered more friendly for themers than overriding theme functions in template.php.
What’s the difference between twig and Drupal theme?
Twig renders everything automatically so there is no need to call drupal_render() or theme() within a preprocess function. Instead, render arrays should be passed to the template since this allows for much more customization than an already-rendered HTML string.
How are theme functions named in template.php?
Copying and modifying template files are still considered more friendly for themers than overriding theme functions in template.php. Theme functions are named by prepending ‘theme_’ to the name of the hook. The arguments given to theme (‘hook’) will be passed straight through, unaltered.
Is there theme debug mode for Drupal 8?
For Drupal 8 follows Template naming convention URL. As of Drupal 7.33, Drupal core has a theme debug mode that can be enabled and disabled via the theme_debug variable and is very helpful when working with template suggestions. Custom suggestions beyond the ones listed below can be created.
What is theme hook suggestion in Drupal 8?
A theme hook suggestion is an alternate template (.tpl.php) file that you have created to override the base or original template file. For Drupal 8 follows Template naming convention URL.
What happens if theme is not compatible with Drupal?
The value set here is compared with the DRUPAL_CORE_COMPATIBILITY constant. If it does not match, the theme will be disabled. The drupal.org packaging script automatically sets this value based on the Drupal core compatibility setting on each release node. So people downloading packaged themes from drupal.org will always get the right thing.
How does Drupal create a URI for a file?
Constructs a URI to Drupal’s default files location given a relative path. Copies a file to a new location and adds a file record to the database. Creates a full file path from a directory and filename. Creates a .htaccess file in the given directory. Creates a web-accessible URL for a stream to an external or local file.
How to create a new file in Drupal?
Creates a file with a unique filename in the specified directory. Deletes a file. Constructs a URI to Drupal’s default files location given a relative path. Copies a file to a new location and adds a file record to the database. Creates a full file path from a directory and filename. Creates a .htaccess file in the given directory.