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

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

use Drupal\Core\Template\Attribute;


/* implements template_preprocess_views_view_unformatted() */

function popsu_preprocess_views_view_unformatted(&$variables) {

  $view = &$variables['view'];  
  $rows = &$variables['rows'];
  if($view->id() == "programmes"){
    foreach ($rows as $id => $row) {
      $variables['rows'][$id]['attributes'] = new Attribute();
      $c = $variables['rows'][$id]['content']["#row"]->nid;
      $variables['rows'][$id]['attributes']->addClass("programme-".$c);
    }
  }else{
    foreach ($rows as $id => $row) {
      if(isset($row['content']['#row'])){
        $r = $row['content']['#row'];
        $entity = $r->_entity;
        if ($entity->hasField('field_programme') && $entity->get('field_programme')->getString() != "" ) {
          $c = $entity->get('field_programme')->getString();
          $variables['rows'][$id]['attributes'] = new Attribute();
          $variables['rows'][$id]['attributes']->addClass("programme-".$c);
        }
      }else if(isset($row['content']['#node'])){
        $r = $row['content']['#node'];
        if ($r->hasField('field_programme') && $r->get('field_programme')->getString() != "" ) {
          $c = $r->get('field_programme')->getString();
          $variables['rows'][$id]['attributes'] = new Attribute();
          $variables['rows'][$id]['attributes']->addClass("programme-".$c);
          // kint($c);die();
        }
       
      }
      

      // foreach ($row['#rows'] as $j => &$elem) {
      //   $entity = $elem["#row"]->_entity;
      //   if ($entity->hasField('field_programme')) {
          
      //     $prog_id = $entity->get('field_programme')->getString();
      //     kint($prog_id);die();
      //     $class = "programme-".$prog_id;
      //     // $elem["#row"]['attributes']["class"] = $class;
      //     // $attributes = array(
      //     //   "class" => $class
      //     // );
      //   }
      // }
      // kint($rows);die();
      // $variables['rows'][$id]['attributes'] = new Attribute();
      // $c = $variables['rows'][$id]['content']["#row"]->nid;
      // $variables['rows'][$id]['attributes']->addClass("programme-".$c);
   }
  }
  // $storage = $view->storage;
  // if(isset($storage['css_class'])){
  //  kint($storage);die();
    // $rows = &$variables['rows'];
    // foreach ( $rows as $i => &$row ){
    //   foreach ($row['#rows'] as $j => &$elem) {
    //     $entity = $elem["#row"]->_entity;
    //     if ($entity->hasField('field_programme')) {
    //       $prog_id = $entity->get('field_programme')->getString();
    //       $class = "programme-".$prog_id;
    //       // $elem["#row"]['attributes']["class"] = $class;
    //       // $attributes = array(
    //       //   "class" => $class
    //       // );
    //     }
    //   }
    // }
  //  }

};

/* implements template_preprocess_region() */

function popsu_preprocess_region(&$variables) {

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

}


/**
 * Implements hook_preprocess_views_view_unformatted().
 */


function popsu_preprocess_views_view_grid(&$variables){
  // we pass all variables by reference
  // https://www.php.net/manual/en/language.references.php
  $items =& $variables['items'];

  // loop through grid items (row and cols) not through views\rows
  foreach ($items as $r => &$row) {
    foreach ($row['content'] as $c => &$col) {

      // get the entity
      $entity = $col['content']["#row"]->_entity;

      // build generique classe
      $classes = array(
        $entity->getEntityTypeId(),
        $entity->getEntityTypeId().'-'.$entity->bundle(),
        $entity->getEntityTypeId().'-'.$entity->bundle().'-'.$entity->id(),
      );

      // if field_programme exists, add a class
      if ($entity->hasField('field_programme')) {
        $prog_id = $entity->get('field_programme')->getString();
        $classes[] = "programme-".$prog_id;
      }

      // add the classes to the column
      // Drupal\Core\Template\Attribute 
      // https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Template%21Attribute.php/class/Attribute/8.2.x
      $col['attributes']->addClass($classes);
    }
  }
}

function popsu_preprocess_views_view_field(&$variables){
  // check if link to entoty option is true
  $settings = isset($variables['field']->options['settings']) ? $variables['field']->options['settings'] : false; 
  if ($settings && isset($settings['link_to_entity']) && $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();
  } 
}

function popsu_preprocess_block__entity_field(&$variables){
  $field = &$variables['content']['field'];
  $items = &$field['#items'];
  if ($field['#field_type'] === "entity_reference_revisions") {
    $entity = $items->first()->get('entity');
    $entityAdapter = $entity->getTarget();
    $referencedEntity = $entityAdapter->getValue();


    $field_definitions = $referencedEntity->getFieldDefinitions();
    $all_empty = TRUE;
    foreach ($field_definitions as $field_name => $definition) {
      if (!method_exists($definition, 'isBaseField')) {
        $field_instance = $referencedEntity->get($field_name);
        if (!$field_instance->isEmpty()) {
          $all_empty = FALSE;
        }
      }
    }
    if ($all_empty) {
      $variables['isEmpty'] = true;
    }



  }
  // if($items->isEmpty()){
  // }
}