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

use Drupal\Core\Template\Attribute;


/* implements template_preprocess_views_view_unformatted() */

function popsu_preprocess_views_view_unformatted(&$variables) {

  $view = $variables['view'];
  if($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);
        }
    }

  }

  /*
  $rows = $variables['rows'];
  $style = $view->style_plugin;
  $options = $style->options;
  $variables['default_row_class'] = !empty($options['default_row_class']);
  */
  /*  
  foreach ($rows as $id => $row) {
    $variables['rows'][$id] = array();
    $variables['rows'][$id]['content'] = $row;
    $variables['rows'][$id]['attributes'] = new Attribute();
    if ($row_class = $view->style_plugin
      ->getRowClass($id)) {
      $variables['rows'][$id]['attributes']
        ->addClass($row_class);
    }
  }
  */
};


/**
 * Implements hook_preprocess_block().
 */
// function popsu_preprocess_block(&$variables) {
//   $t="t";
// }

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();
  } 
}