My Drupal 8 website is multilingual, and on one of the views I present a list of nodes (titles). On top of the page I need to implement a textfield with autocomplete function, where the user can start typing in the language, and then by choosing one the content on the page will be presented in chosen language.

I have started by creating a custom block:

public function build(){

$block = array(
  '#type' => 'textfield',
  '#title' => t('Choose language'),
  '#autocomplete_path' => '?????',
  '#cache' => array(
    'max-age' => 0,
return $block;


What should I write in '#autocomplete_path' => '?????' as the list of languages is not taxonomies. It is coming from Languages module. Could you please help me?


I think no need to create block of view programmatically, You can do it with Views Autocomplete Filters module and views Module:
Try the following steps how to create view with language filter, using autocomplete:

  1. Install Views Autocomplete Filters Module.
  2. Create View with Fields Display add the language field The language of the content or translation. and your additional fields: enter image description here

  3. Add Combine fields filter enter image description here

configure it like the following: enter image description here enter image description here

  1. the result will be like:

enter image description here enter image description here

  • Thanks a lot for your answer. It is exactly what I need. Just one more thing for me is that I have not-exposed filter criteria (Translation language = Content language selected for a page). And that's why I in the combined fields filter I can seacrh only for the current langauge of the page. Possibly I use wrong operator for the combined fields filter (Is equal to )? – user91143 Jan 29 '19 at 15:02
  • It looks that this solution could be good as a seacrh function, but not as a language switcher – user91143 Jan 30 '19 at 7:41
  • @user91143 as you says this answer solve your question consider check it as accepted to help another users to find the correct answer if they have a similar problem. – Adrian Cid Almaguer Jan 30 '19 at 16:07
  • It looked like a solution for me from the first look, but in fact it didn't solve my problem. – user91143 Feb 4 '19 at 11:30

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