popsu-d9/web/themes/custom/popsu/popsu.theme

<?php
/*
	* @files
	* Theme Template Funtions
*/

use Drupal\Core\Template\Attribute;

/* implements template_preprocess_views_view() */

// function popsu_preprocess_views_view(&$vars) {
//   $view = $vars['view'];
//   kint($view);die();
// }


/* implements template_preprocess_views_view_unformatted() */

function popsu_preprocess_views_view_unformatted(&$variables) {

  $view = $variables['view'];  
  if($view->id() == "programmes"){
    $rows = $variables['rows'];
        foreach ($rows as $id => $row) {
            $variables['rows'][$id]['attributes'] = new Attribute();
            $c = $variables['rows'][$id]['content']["#row"]->nid;
            $variables['rows'][$id]['attributes']->addClass("popsu-node-".$c);
            //kint($variables['rows'][$id]['content']["#row"]->nid);
        }


  }else{
    if ($view->current_display == "block_1") {
        $rows = $variables['rows'];
        foreach ($rows as $id => $row) {
            $variables['rows'][$id]['attributes'] = new Attribute();
            $c = $variables['rows'][$id]['content']["#row"]->nid;
            $variables['rows'][$id]['attributes']->addClass("popsu-node-".$c);
        }
    }

  }
};

/* implements template_preprocess_region() */

function popsu_preprocess_region(&$variables) {
  $r = $variables['region'];
  if (isset($variables['region'])) {
    $variables['attributes']['class'][] = $variables['region'].'_container';
    
  }
}


/**
 * Implements hook_preprocess_block().
 */

 function popsu_preprocess_views_view_field(&$variables){
  // check if link to entoty option is true
  $settings = $variables['field']->options['settings']; 
  if ($settings['link_to_entity']) {
    // get the entity and build the classes
    $entity = $variables['row']->_entity;
    // build new classes
    $new_classes = array(
      $entity->getEntityTypeId(),
      $entity->getEntityTypeId().'-'.$entity->bundle(),
      $entity->getEntityTypeId().'-'.$entity->bundle().'-'.$entity->id()
    );
    
    // get the entity link and url
    $link = $entity->toLink(); 
    $url = $entity->toLink()->getUrl();

    // set the active_class option to the url
    $url->setOption('set_active_class', true);

    // add new classes to the url (without overwriting existing once)
    $options = $url->getOptions();
    if(isset($options['attributes']) && $attributes = $options['attributes']){
      if(isset($attributes['class']) && $classes = $attributes['class']){
        $attributes['class'] +=  $new_classes;
      }else{
        $attributes['class'] = $new_classes;
      }
    }else{
      $attributes = array(
        "class" => $new_classes
      );
    }
    $url->setOption('attributes', $attributes);

    // update the url of the link
    $link->setUrl($url);

    // overwrite the output
    $variables['output'] = $link->toRenderable();
  } 
}