boulder_base.theme

<?php

/**
 * @file
 * Contains functions to support the CU Boulder Drupal 10 base theme.
 */

use Drupal\Core\Form\FormStateInterface;
use Drupal\node\Entity\Node;
use Drupal\node\NodeInterface;
use Drupal\user\Entity\User;

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function boulder_base_theme_suggestions_page_alter(array &$suggestions, array $variables) {
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $content_type = $node->bundle();
    $suggestions[] = 'page__' . $content_type;
  }
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function boulder_base_theme_suggestions_block_alter(array &$suggestions, array $variables) {
  if (isset($variables['elements']['content']['#block_content'])) {
    $bundle = $variables['elements']['content']['#block_content']->bundle();
    array_splice($suggestions, 1, 0, 'block__' . $bundle);
  }
}

/**
 * This a helper function to set the favicon appropriately.
 */
function boulder_base_page_attachments_alter(array &$page) {
  foreach ($page['#attached']['html_head_link'] as $k => $v) {
    if (array_key_exists('rel', $v[0]) && $v[0]['rel'] == 'icon') {
      $page['#attached']['html_head_link'][$k][0]['href'] = base_path() . \Drupal::service('extension.list.theme')->getPath('boulder_base') . '/favicon.png';
    }
  }
  // Exposes a relative theme path in drupalSettings.
  $page['#attached']['drupalSettings']['themePath'] = \Drupal::theme()->getActiveTheme()->getPath();
}

/**
 * Preprocess function to check if this page is set as front page, available to all nodes.
 */
function boulder_base_preprocess(&$variables, $hook) {
  try {
    $variables['is_front'] = \Drupal::service('path.matcher')->isFrontPage();
  }
  catch (Exception $e) {
    $variables['is_front'] = FALSE;
  }
  // Ensure the cache varies correctly (new in Drupal 8.3).
  $variables['#cache']['contexts'][] = 'url.path.is_front';
}

/**
 * Preprocess function to get the variables we'll need on the html template.
 */
function boulder_base_preprocess_html(array &$variables) {
  $variables['ucb_gtm_account'] = theme_get_setting('ucb_gtm_account');
  $variables['theme_path'] = base_path() . $variables['directory'];
  if (\Drupal::config('system.site')->get('name') != 'University of Colorado Boulder') {
    // Adds "University of Colorado Boulder" to the title of the page if the
    // site isn't already called that. Resolves tiamat-theme#1188.
    $variables['head_title'][] = 'University of Colorado Boulder';
  }
}

/**
 * Attaches an `is_unpublished` attribute to menu links.
 *
 * Implements hook_preprocess_HOOK().
 */
function boulder_base_preprocess_menu(array &$variables) {
  $menuName = $variables['menu_name'];
  // Attaches only to menu links in the `main`, `secondary`, and `footer`
  // menus.
  if ($menuName == 'main' || $menuName == 'secondary' || $menuName == 'footer') {
    foreach ($variables['items'] as $key => &$value) {
      /** @var \Drupal\Core\Url */
      $url = $value['url'];
      // Ignores menu links to external URLs.
      if ($url->isRouted()) {
        $urlParams = $url->getRouteParameters();
        // Ignores menu links to non-node routes.
        if (isset($urlParams['node'])) {
          $nid = $urlParams['node'];
          $node = Node::load($nid);
          $value['is_unpublished'] = !$node->isPublished();
        }
      }
    }
  }
}

/**
 * Preprocess function to get the variables we'll need on the block template.
 */
function boulder_base_preprocess_block(array &$variables) {
  $config = \Drupal::config('system.site');
  $variables['site_name'] = $config->get('name');
  // Provides some extra functionality for the Faculty Publications blocks.
  if (isset($variables['elements']['content']['field_faculty_publications_email'])) {
    $blockContent = $variables['elements']['content']['#block_content'];
    $fieldP = $blockContent->field_faculty_publications_p;
    $fieldJt = $blockContent->field_faculty_publications_jt;
    if ($blockContent->field_faculty_publications_auto->value === '1') {
      $node = \Drupal::routeMatch()->getParameter('node');
      // Checks if the block is included on a person page.
      if ($node instanceof NodeInterface && $node->getType() == 'ucb_person') {
        // Gets the email of the person page and provides it to the block
        // template.
        $email = $node->field_ucb_person_email->value;
        $variables['faculty_publications_auto_email'] = $email;
      }
      // Updates the block on each different page.
      $variables['#cache']['contexts'][] = 'url.path';
      // Updates the block whenever any person page is saved or deleted.
      $variables['#cache']['tags'][] = 'node_list:ucb_person';
    }
    // Enables the job type filter if it's specified. Includes all people with
    // that specific job type.
    if (count($fieldJt) > 0) {
      $query = \Drupal::entityQuery('node');
      $group = $query->orConditionGroup();
      $jobTypeIds = [];
      for ($i = 0; $i < count($fieldJt); $i++) {
        $jobTypeIds[] = $fieldJt[$i]->entity->id();
      }
      $group->condition('field_ucb_person_job_type', $jobTypeIds, 'IN');
      $results = $query
        ->condition($group)
        ->accessCheck(TRUE)
        ->execute();
      $variables['faculty_publications_jt_people'] = array_filter(
        array_values(Node::loadMultiple(array_values($results))),
        function ($item) {
          return $item->field_ucb_person_email !== NULL;
        }
      );
      // Updates the block whenever any person page is saved or deleted.
      $variables['#cache']['tags'][] = 'node_list:ucb_person';
    }
    elseif (count($fieldP) > 0) {
      for ($i = 0; $i < count($fieldP); $i++) {
        // Updates the block whenever one of the referenced person pages is
        // saved or deleted.
        $variables['#cache']['tags'][] = 'node:' . $fieldP[$i]->entity->id();
      }
    }
  }
}

/**
 * Preprocess function to get the variables we'll need on the page template.
 */
function boulder_base_preprocess_page(array &$variables) {
  $config = \Drupal::config('system.site');
  $variables['site_name'] = $config->get('name');
  $variables['site_slogan'] = $config->get('slogan');
  $variables['ucb_secondary_menu_position'] = theme_get_setting('ucb_secondary_menu_position');
  $variables['ucb_footer_menu_default_links'] = theme_get_setting('ucb_footer_menu_default_links');
  $variables['show_breadcrumb'] = theme_get_setting('ucb_breadcrumb_nav');
  $variables['theme_path'] = base_path() . $variables['directory'];
  $variables['ucb_homepage_header'] = theme_get_setting('ucb_homepage_header');
  $variables['ucb_campus_header_color'] = theme_get_setting('ucb_campus_header_color');
  $variables['ucb_header_color'] = $headerColor = theme_get_setting('ucb_header_color');
  $variables['ucb_be_boulder'] = theme_get_setting('ucb_be_boulder');
  $variables['ucb_sidebar_position'] = theme_get_setting('ucb_sidebar_position');
  $variables['ucb_rave_alerts'] = theme_get_setting('ucb_rave_alerts');
  $variables['ucb_sticky_menu'] = theme_get_setting('ucb_sticky_menu');
  $variables['ucb_heading_font'] = theme_get_setting('ucb_heading_font');
  $variables['ucb_above_content_region_color'] = theme_get_setting('ucb_above_content_region_color');
  $variables['ucb_after_content_one_region_color'] = theme_get_setting('ucb_after_content_one_region_color');
  $variables['ucb_after_content_two_region_color'] = theme_get_setting('ucb_after_content_two_region_color');
  $useCustomLogo = theme_get_setting('ucb_use_custom_logo');
  if ($useCustomLogo) {
    $fileUrlGenerator = \Drupal::service('file_url_generator');
    $logoDarkURL = $fileUrlGenerator->generateAbsoluteString(theme_get_setting('ucb_custom_logo_dark_path'));
    $logoLightURL = $fileUrlGenerator->generateAbsoluteString(theme_get_setting('ucb_custom_logo_light_path'));
    $variables['ucb_custom_logo'] = [
      'dark_url' => $logoDarkURL,
      'light_url' => $logoLightURL,
      'url' => $headerColor == '1' || $headerColor == '2' ? $logoLightURL : $logoDarkURL,
      'scale' => theme_get_setting('ucb_custom_logo_scale') ?? '2x',
    ];
  }
}

/**
 * Preprocess function to get the variables we'll need on the page user template.
 */
function boulder_base_preprocess_page__user(array &$variables) {
  $config = \Drupal::config('system.site');
  $variables['site_name'] = $config->get('name');
  $variables['site_slogan'] = $config->get('slogan');
  $variables['ucb_secondary_menu_position'] = theme_get_setting('ucb_secondary_menu_position');
  $variables['ucb_footer_menu_default_links'] = theme_get_setting('ucb_footer_menu_default_links');
  $variables['theme_path'] = base_path() . $variables['directory'];
  $variables['ucb_campus_header_color'] = theme_get_setting('ucb_campus_header_color');
  $variables['ucb_header_color'] = theme_get_setting('ucb_header_color');
  $variables['ucb_be_boulder'] = theme_get_setting('ucb_be_boulder');
  $variables['web_express_version'] = theme_get_setting('web_express_version');
}

/**
 * Preprocess function to get the variables we'll need on the page user login template.
 */
function boulder_base_preprocess_page__user__login(array &$variables) {
  $config = \Drupal::config('system.site');
  $variables['site_name'] = $config->get('name');
  $variables['site_slogan'] = $config->get('slogan');
  $variables['ucb_secondary_menu_position'] = theme_get_setting('ucb_secondary_menu_position');
  $variables['ucb_footer_menu_default_links'] = theme_get_setting('ucb_footer_menu_default_links');
  $variables['theme_path'] = base_path() . $variables['directory'];
  $variables['ucb_campus_header_color'] = theme_get_setting('ucb_campus_header_color');
  $variables['ucb_header_color'] = theme_get_setting('ucb_header_color');
  $variables['ucb_be_boulder'] = theme_get_setting('ucb_be_boulder');
}

/**
 * Exposes theme variables to the primary menu region.
 */
function boulder_base_preprocess_region__primary_menu(array &$variables) {
  $variables['ucb_secondary_menu_position'] = theme_get_setting('ucb_secondary_menu_position');
}

/**
 * Exposes theme variables to the secondary menu region.
 */
function boulder_base_preprocess_region__secondary_menu(array &$variables) {
  $variables['ucb_secondary_menu_default_links'] = theme_get_setting('ucb_secondary_menu_default_links');
  $variables['ucb_secondary_menu_position'] = theme_get_setting('ucb_secondary_menu_position');
  $variables['ucb_secondary_menu_button_display'] = theme_get_setting('ucb_secondary_menu_button_display');
}

/**
 * Preprocess function to show or hide the breadcrumb nav based on the selected setting.
 */
function boulder_base_preprocess_region__breadcrumb(array &$variables) {
  $variables['show_breadcrumb'] = theme_get_setting('ucb_breadcrumb_nav');
}

/**
 * Preprocess function to enable the current page title to show up in the breadcrumb nav.
 */
function boulder_base_preprocess_breadcrumb(array &$variables) {
  $variables['current_page_title'] = \Drupal::service('title_resolver')->getTitle(\Drupal::request(), \Drupal::routeMatch()->getRouteObject());
  $variables['#cache']['contexts'][] = 'url';
  $node = \Drupal::routeMatch()->getParameter('node');
  if ($node instanceof NodeInterface) {
    $variables['#cache']['tags'][] = 'node:' . $node->id();
  }
}

/**
 * Preprocess function to enable the current site name to show up on Nodes -- newsletter
 */
function boulder_base_preprocess_node(array &$variables) {
  if (!isset($variables['site_name'])) {
    $config = \Drupal::config('system.site');
    $variables['site_name'] = $config->get('name');
  }
}

/**
 * Preprocess function to get the variables we'll need on the header region template.
 */
function boulder_base_preprocess_region__header(array &$variables) {
  $variables['theme_path'] = base_path() . $variables['directory'];
  $variables['ucb_be_boulder'] = theme_get_setting('ucb_be_boulder');
}

/**
 * Preprocess function to get the variables we'll need on the footer region template.
 */
function boulder_base_preprocess_region__site_information(array &$variables) {
  $variables['theme_path'] = base_path() . $variables['directory'];
  $variables['ucb_be_boulder'] = theme_get_setting('ucb_be_boulder');
}

/**
 * Preprocess function to get the variables we'll need on the Organization node template.
 */
function boulder_base_preprocess_node__organization(array &$variables) {
  $variables['uuid'] = $variables['node']->uuid();
}

/**
 * Exposes a variable to indicate if a user can edit a node.
 * Exposes a variable for positioning data of title background images.
 */
function boulder_base_preprocess_node__ucb_article(array &$variables) {
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $user = User::load(\Drupal::currentUser()->id());
    $userCanEdit = $node->access('update', $user);
    $variables['user_can_edit'] = $userCanEdit;
  }


  $route_name = \Drupal::routeMatch()->getRouteName();
  if ($route_name == 'entity.node.canonical') {
    $node = \Drupal::routeMatch()->getParameter('node');
  }
  elseif ($route_name == 'entity.node.preview') {
    $node = \Drupal::routeMatch()->getParameter('node_preview');
  }
  // Get the media image positioning
  if ($node->hasField('field_article_title_background') && $node->get('field_article_title_background')->entity) {
    $media_entity = $node->get('field_article_title_background')->entity;
    $fid = $media_entity->getSource()->getSourceFieldValue($media_entity);
    $file = \Drupal::entityTypeManager()->getStorage('file')->load($fid);

  $crop = \Drupal::service('focal_point.manager')->getCropEntity($file, 'focal_point');
  if ($crop) {
    // Get the x and y position from the crop.
    $fp_abs = $crop->position();
    $x = $fp_abs['x'];
    $y = $fp_abs['y'];

    // Get the original width and height from the image.
    $image_factory = \Drupal::service('image.factory');
    $image = $image_factory->get($file->getFileUri());
    $width = $image->getWidth();
    $height = $image->getHeight();

    // Convert the absolute x and y positions to relative values.
    $fp_rel = \Drupal::service('focal_point.manager')->absoluteToRelative($x, $y, $width, $height);
    $variables['position_vars'] =  $fp_rel['x'] . '% ' . $fp_rel['y'] . '%;';
  }
}
}

/**
 * Custom theme settings worker function.
 */
function boulder_base_form_system_theme_settings_alter(&$form, FormStateInterface &$form_state, $form_id = NULL) {
  // Work-around for a core bug affecting admin themes. See issue #943212.
  if (isset($form_id)) {
    return;
  }

  if (\Drupal::service('module_handler')->moduleExists('ucb_site_configuration')) {
    // This call relies on the module dependency `ucb_site_configuration`.
    // It uses the function `buildThemeSettingsForm` in the module to build the
    // theme settings form.
    \Drupal::service('ucb_site_configuration')->buildThemeSettingsForm($form, $form_state);
  }
  else {
    \Drupal::service('messenger')->addError('Module `CU Boulder Site Configuration`, required to display the CU Boulder theme settings form, isn\'t installed.');
  }
}

/**
 * Implements hook_preprocess_views_view().
 */
function boulder_base_preprocess_views_view(&$variables) {
  // Adjust header content for the taxonomy_term view.
  // Needed because the Full HTML text filter doesn't escape special HTML entities like &amp
  if ($variables['view']->id() === 'taxonomy_term') {
    if (isset($variables['header']['area']['#text'])) {
      // Decode HTML entities in the header text.
      $variables['header']['area']['#text'] = html_entity_decode($variables['header']['area']['#text']);
    }
  }
}







/**
 * This is for list styles during migration.
 */
function boulder_base_page_attachments(array &$attachments) {
  $attachments['#attached']['library'][] = 'boulder_base/migrate_styles';
}