fullcalendar_solr.module

<?php

/**
 * @file
 * FullCalendar Solr Views module help and theme functions.
 */

use Drupal\Component\Utility\Html;
use Drupal\Core\Template\Attribute;

/**
 * Implements hook_theme().
 */
function fullcalendar_solr_theme($existing, $type, $theme, $path) {
  return [
    'views_view_fullcalendar_solr' => [
      'template' => 'views-view-fullcalendar-solr',
      'variables' => [],
    ],
  ];
}

/**
 * Prepares variables for the FullCalendar style template.
 *
 * Default template: views-view-fullcalendar-solr.html.twig.
 *
 * @param array $vars
 *   An associative array containing:
 *   - view: A ViewExecutable object
 *   - rows: The raw row data
 *   - options: FullCalendar presentation options.
 */
function template_preprocess_views_view_fullcalendar_solr(array &$vars) {
  $view = $vars['view'];

  // Load libraries.
  $vars['#attached']['library'][] = 'fullcalendar_solr/libraries.fullcalendar';
  $vars['#attached']['library'][] = 'fullcalendar_solr/fullcalendar_solr';

  $fullcalendar_options = $vars['options']['fullcalendar_options'];

  // Pass the event and year data as JSON strings. If drupalSettings
  // already has values for these and we pass them as arrays, the
  // arrays will be merged instead of replaced (same behaviour as
  // merging two Javascript objects).
  // @link https://www.drupal.org/node/1911578
  $vars['#attached']['drupalSettings']['FullCalendarSolr'][] = [
    'options' => $fullcalendar_options,
    'headingText' => $vars['options']['heading_text'],
    'directToItem' => $vars['options']['direct_to_item'],
    'events' => json_encode($vars['rows']['events']),
    'years' => json_encode($vars['rows']['years']),
  ];

  // Set unique id and index attributes for the fullcalendar instance.
  $id = Html::getId('fullcalendar_solr_' . $view->storage->id() . '_' . $view->current_display);
  $key = array_key_last($vars['#attached']['drupalSettings']['FullCalendarSolr']);
  $vars['attributes'] = new Attribute(['id' => $id, 'fc-solr-index' => $key]);
}