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lits_theme.theme
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<?php
/**
* @file
* Functions to support theming in the LITS Theme theme.
*/
use Drupal\Component\Render\FormattableMarkup;
use Drupal\Core\Field\EntityReferenceFieldItemList;
use Drupal\Core\Url;
use Drupal\file\Entity\File;
use Drupal\media\Entity\Media;
use Drupal\taxonomy\Entity\Term;
/**
* @file
* Functions to support theming.
*/
/**
* Implements hook_preprocess_image_widget().
*/
function lits_theme_preprocess_image_widget(array &$variables) {
$data = &$variables['data'];
// This prevents image widget templates from rendering preview container HTML
// to users that do not have permission to access these previews.
// @todo revisit in https://drupal.org/node/953034
// @todo revisit in https://drupal.org/node/3114318
if (isset($data['preview']['#access']) && $data['preview']['#access'] === FALSE) {
unset($data['preview']);
}
}
/**
* Attaches icons to the render array for study space detail fields.
*
* @param array $variables
* The variables array being amended.
* @param array $exclusions
* List of fields to skip for this particular render.
*/
function _lits_theme_attach_study_space_icons(array &$variables, array $exclusions = []) {
$node = $variables['node'];
$boolean_field_icons = [
// Icons from Font Awesome:
'field_computers' => 'fas fa-desktop fa-fw',
'field_printers' => 'fas fa-print fa-fw',
'field_projector' => 'fas fa-video fa-fw',
'field_soft_seating' => 'fas fa-couch fa-fw',
'field_wheelchair_accessible' => 'fas fa-wheelchair-move fa-fw',
'field_whiteboard' => 'fas fa-chalkboard fa-fw',
// Icon from Noun Project:
'field_large_tables' => '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" aria-hidden="true" focusable="false" role="img" class="svg-inline--other"><path fill="currentColor" d="M94.8,20.6c-0.4-0.8-1.1-1.4-2-1.5L27,9.8c-0.9-0.1-1.8,0.3-2.4,1L5.5,37.5C4.7,38.6,4.9,40.2,6,41c0.3,0.2,0.7,0.4,1.1,0.5 l4.6,0.7v37.8c0,1.4,1.1,2.5,2.5,2.5s2.5-1.1,2.5-2.5V42.8l11.1,1.6v13.1c0,1.4,1.1,2.5,2.5,2.5s2.5-1.1,2.5-2.5V45.1l34.1,4.8v37.8 c0,1.4,1.1,2.5,2.5,2.5s2.5-1.1,2.5-2.5V50.6l0.9,0.1c0.1,0,0.2,0,0.3,0c0.8,0,1.5-0.4,2-1l7.9-11v26.5c0,1.4,1.1,2.5,2.5,2.5 s2.5-1.1,2.5-2.5V31.8l6.3-8.8C95,22.3,95.1,21.4,94.8,20.6z"/></svg>',
// Manually constructed icon:
'field_adjustable_tables' => '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 612 792" aria-hidden="true" focusable="false" role="img" class="svg-inline--other"><polygon fill="currentColor" points="488.5,143.4 412.2,262.2 469.3,262.2 469.3,262.2 469.3,500.1 412.2,500.1 488.5,618.9 564.5,500.1 507.5,500.1 507.5,262.2 564.5,262.2"/><path fill="currentColor" d="M357.4,194.6c-2.4-5.6-7.6-9.4-13.6-10.1l-291.2-41c0,79.4,0,154.9,0,234.2L168.7,394v257.3c0,9.4,7.6,17,17,17 c9.4,0,17-7.6,17-17V398.8l6,0.8c0.8,0.1,1.6,0.1,2.4,0c5.3,0,10.4-2.6,13.6-6.8l53.8-74.5v180.5c0,9.4,7.6,17,17,17 c9.4,0,17-7.6,17-17V271.1l43.1-59.9C358.9,206.3,359.6,200,357.4,194.6z"/></svg>',
// Manually constructed icon:
'field_standing_tables' => '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 612 792" aria-hidden="true" focusable="false" role="img" class="svg-inline--other"><circle fill="currentColor" cx="150.4" cy="195.6" r="48.8"/><path fill="currentColor" d="M403.4,268.3c-4.7-0.7-9.4,1.3-12.2,5.1l-98.1,136.4c-4.1,5.7-2.9,13.6,2.8,17.8c1.7,1.2,3.7,2,5.8,2.3 l23.7,3.4v193.2c0,7.1,5.7,12.8,12.8,12.8c7.1,0,12.8-5.7,12.8-12.8V436.8l56.8,8v67.1c0,7.1,5.7,12.8,12.8,12.8 c7.1,0,12.8-5.7,12.8-12.8v-63.5l87.2,12.3c0-59.6,0-116.2,0-175.8L403.4,268.3z"/><path fill="currentColor" d="M327.2,332.4c1.5-3.6,2.1-7.2,2.1-11.3c0-10.8-9.3-22.6-21.6-22.6c-2.6,0-62.2-5.1-62.2-5.1l-84.3-36 c-12.3-3.6-22.1-6.2-35-1c-17.5,6.7-22.1,22.6-23.7,40.1c1.5,15.9,2.1,32.9,2.1,50.4c0,19.5-1,38.6-2.6,55.5v6.2 c0,25.2,11.8,46.8,34.4,46.8l0.5,147c1,11.8,8.7,22.1,20.6,26.2c15.4,4.6,31.9-3.6,37-19c1-2.6,1-5.1,1.5-7.7l6.7-207.7 c0-0.5,0-1,0-1.5l-0.5-56l-33.9-11.3l2.1-6.7l64.8,22.1c0,0,6.7,1,10.3,1l65.8,5.1c4.1-1.5,7.7-3.6,10.8-6.2 c0,0.1-0.1,0.1-0.1,0.2c3.3-3.4,6.3-7,8.4-10.9C329.3,330.7,328.2,331.5,327.2,332.4z"/></svg>',
'field_reservable' => 'fas fa-calendar-check fa-fw',
];
foreach ($boolean_field_icons as $field => $icon) {
if (in_array($field, $exclusions)) {
continue;
}
if (!isset($variables['content'][$field])) {
continue;
}
if ($node->get($field)->getValue()[0]['value'] === '1') {
if (substr($icon, 0, 4) === '<svg') {
$variables['content'][$field]['#local-svg'] = $icon;
}
else {
$variables['content'][$field]['#fontawesome'] = $icon;
}
}
}
if (isset($variables['content']['field_noise_level'])) {
$noise_levels = [
'1' => 'fas fa-volume-off fa-fw',
'2' => 'fas fa-volume-low fa-fw',
'3' => 'fas fa-volume-high fa-fw',
'4' => 'fas fa-mobile-screen-button fa-fw',
];
$value = $node->get('field_noise_level')->getValue()[0]['value'];
$variables['content']['field_noise_level']['#fontawesome'] = $noise_levels[$value];
}
if (isset($variables['content']['field_group_size'])) {
$group_sizes = [
'1' => 'fas fa-user fa-fw',
'2' => 'fas fa-user-group fa-fw',
'3' => 'fas fa-users fa-fw',
];
$values = $node->get('field_group_size')->getValue();
foreach ($values as $value) {
$variables['content']['field_group_size']['#fontawesome'][] = $group_sizes[$value['value']];
}
}
}
/**
* Implements hook_preprocess_HOOK().
*
* Adds appropriate aria-hidden attribute to the LITS Unified Search form.
* Adds links to the sidebar title for Archives and Special Collections.
*/
function lits_theme_preprocess_block(&$variables) {
// Search form is hidden on most pages, but shows on homepage.
if ($variables['attributes']['id'] === 'block-lits_theme-litsunifiedsearchblock') {
$variables['attributes']['aria-hidden'] = 'true';
$route = \Drupal::service('current_route_match');
if ($route->getRouteName() === 'entity.node.canonical') {
$node = $route->getParameters()->get('node');
if ($node->bundle() === 'lits_homepage') {
$variables['attributes']['aria-hidden'] = 'false';
}
}
}
// TODO: remove this when ASC gets its own menu.
if ($variables['attributes']['id'] != 'block-ascsidebarlinks') {
// dpm($variables['attributes']['id']);
return;
}
$variables['attributes']['class'][] = 'sidebar-nav';
$variables['label'] = [
'#markup' => '<a href="/about-lits/service-desks/archives-special-collections">' . $variables['label'] . '</a>',
];
}
/**
* Implements hook_preprocess_HOOK().
*
* Customize sidebar nav menus.
*/
function lits_theme_preprocess_block__system_menu_block(&$variables) {
if ($variables['configuration']['id'] == 'system_menu_block:main') {
return;
}
// Make the sidebar title a link to its landing page.
$markup = '<a href="/' . $variables['derivative_plugin_id'] . '">' . $variables['configuration']['label'] . '</a>';
// Sidebar menus need a shared class for styling.
if ($variables['content']['#attributes']['data-region'] === 'sidebar') {
$variables['attributes']['class'][] = 'sidebar-nav';
$markup = 'In the ' . $markup . ' section';
}
$variables['configuration']['label'] = ['#markup' => $markup];
}
/**
* Implements hook_preprocess_HOOK().
*
* Adds breadcrumbs on pages where Drupal doesn’t automatically provide.
*/
function lits_theme_preprocess_breadcrumb(&$variables) {
// Apparently if you mess with breadcrumbs they can get cached.
$variables['#cache']['contexts'][] = 'url.path';
// ASC pages have the Service Desk page itself as their section home, but
// because its URL doesn’t match the subpages, we have to insert it.
$path = \Drupal::service('path.current')->getPath();
$alias = \Drupal::service('path_alias.manager')->getAliasByPath($path);
if (substr($alias, 0, 30) === '/archives-special-collections/') {
array_splice($variables['breadcrumb'], 1, 0, [[
'text' => t('Archives & Special Collections'),
'url' => '/about-lits/service-desks/archives-special-collections',
]]);
}
// In most cases, all we need to do is add the current page title to the end.
$route = \Drupal::service('current_route_match');
$title = $route->getRouteObject()->getDefault('_title');
switch ($route->getRouteName()) {
case 'entity.node.canonical':
$node = $route->getParameters()->get('node');
$title = $node->getTitle();
break;
case 'entity.taxonomy_term.canonical':
$term = $route->getParameters()->get('taxonomy_term');
$title = $term->getName();
switch ($term->bundle()) {
case 'departments':
$division = NULL;
if (count($variables['breadcrumb']) === 2) {
$division = $variables['breadcrumb'][1];
unset($variables['breadcrumb'][1]);
}
$variables['breadcrumb'][] = [
'text' => t('About LITS'),
'url' => '/about-lits',
];
$variables['breadcrumb'][] = [
'text' => t('Departments'),
'url' => '/about-lits/departments',
];
if (!is_null($division)) {
$variables['breadcrumb'][] = $division;
}
break;
case 'service_desks':
switch ($term->id()) {
case 128:
// SAW is different from other service desks.
$variables['breadcrumb'][] = [
'text' => t('Places'),
'url' => '/places',
];
break;
case 129:
// Frances Perk Café is different from other service desks.
$variables['breadcrumb'][] = [
'text' => t('Places'),
'url' => '/places',
];
break;
default:
$variables['breadcrumb'][] = [
'text' => t('About LITS'),
'url' => '/about-lits',
];
$variables['breadcrumb'][] = [
'text' => t('Service desks'),
'url' => '/about-lits/service-desks',
];
}
break;
case 'tags':
// The base /tagged/ page doesn't show up in breadcrumbs for some reason, so add it
// View / site tag index page must be handled separately
$insertBreadcrumbs = [
[
'text' => t('Site tags'),
'url' => '/tagged',
]
];
$breadcrumbs = $variables['breadcrumb'];
$startBreadcrumbs = array_slice($breadcrumbs, 0, 1);
$endBreadcrumbs = array_slice($breadcrumbs, 1);
$breadcrumbs = array_merge($startBreadcrumbs, $insertBreadcrumbs, $endBreadcrumbs);
$variables['breadcrumb'] = $breadcrumbs;
break;
}
break;
case 'view.study_spaces.page_1':
// If we give multiple args to the study space finder it thinks
// it’s a subpage.
if (isset($variables['breadcrumb'][3])) {
unset($variables['breadcrumb'][3]);
}
break;
case 'view.site_tag_index.page_1':
// Default !empty below doesn't work on views, I guess?
// Add /tagged/ page to the site tag index page
$variables['breadcrumb'][] = [
'text' => t('Site tags'),
];
break;
}
if (!empty($title)) {
$variables['breadcrumb'][] = ['text' => $title];
}
}
/**
* Implements hook_preprocess_HOOK().
*
* Reformats reservation information for a study space detail page.
*/
function lits_theme_preprocess_field_group_html_element__study_space(&$variables) {
if ($variables['element']['#group_name'] === 'group_reservation') {
$node = $variables['element']['field_reservable']['#object'];
$variables['title'] = t('Reservable');
$variables['children'] = [
'#type' => 'link',
'#title' => t('<i class="fas fa-envelope fa-fw"></i> Contact LITS for more information'),
'#url' => Url::fromRoute('entity.node.canonical', ['node' => 147]),
];
if ($node->get('field_reservable')->getValue()[0]['value'] !== '1') {
$variables['title'] = t('Not reservable');
return;
}
$reservation = NULL;
$method = $node->get('field_reservation_method')->getValue();
if (!empty($method) && array_key_exists(0, $method)) {
switch ($method[0]['value']) {
case 'form':
$reservation = $variables['element']['field_reservation_link'];
$reservation[0]['#options']['attributes']['class'][] = 'button';
// Re-render this element:
$reservation['#printed'] = FALSE;
unset($reservation['#children']);
unset($reservation['#markup']);
break;
case 'paper':
$reservation = $variables['element']['field_reservation_method'];
$reservation['#fontawesome'] = 'fas fa-file-lines fa-fw';
break;
default:
\Drupal::logger('lits_theme')->warning('Unknown reservation method %rm for node @nid', [
'%rm' => $method[0]['value'],
'@nid' => $node->id(),
]);
break;
}
}
if (!is_null($reservation)) {
$variables['children'] = $reservation;
}
}
}
/**
* Implements hook_preprocess_HOOK().
*
* Adds CSS attributes so News Item teasers can be styled on the homepage.
*/
function lits_theme_preprocess_field__field_news_items(&$variables) {
$variables['attributes'] = [
'class' => ['layout-container'],
'id' => 'news-items-container',
];
foreach( $variables['items'] as $i => $item) {
$variables['items'][$i]['attributes']->addClass('news-item');
}
}
/**
* Implements hook_preprocess_HOOK().
*
* Makes it possible for a form within a block to have a target attribute,
* since it would normally be consumed by the block during rendering.
*/
function lits_theme_preprocess_form(&$variables) {
if (array_key_exists('#target', $variables['element'])) {
$variables['attributes']['target'] = $variables['element']['#target'];
}
}
/**
* Search no results message for Site Restricted Search API queries.
*/
function lits_theme_preprocess_google_json_api_no_results_message(&$variables) {
if (!$variables['term']) {
$variables['term'] = ""; // Twig does not play nicely with NULL
}
}
/**
* Implements hook_preprocess_html().
*
* Sets a class on Service Desk pages for style rules.
*/
function lits_theme_preprocess_html(&$variables) {
$route_match = \Drupal::service('current_route_match');
if ($route_match->getRouteName() == 'entity.taxonomy_term.canonical') {
$term = $route_match->getParameter('taxonomy_term');
if ($term->bundle() === 'service_desks') {
$variables['node_type'] = 'service_desk';
}
}
else if ($route_match->getRouteName() == 'search.view_google_json_api_search') {
$variables['attributes']['class'][] = "google-json-api-search";
}
}
/**
* Implements hook_preprocess_HOOK().
*
* Performs modifications to sidebar menus.
*/
function lits_theme_preprocess_menu__extras(&$variables) {
// Main menu handled in lits_theme_preprocess_menu__extras__main().
if ($variables['menu_name'] === 'main') {
return;
}
// Add external link icon when needed.
if (!empty($variables['items'])) {
_lits_theme_traverse_sidebar_menu($variables['items']);
}
}
/**
* Implements hook_preprocess_HOOK().
*
* If the main nav menu item is supposed to have an icon but none is present
* on the link, load one from the link target instead.
*/
function lits_theme_preprocess_menu__extras__main(&$variables) {
foreach ($variables['items'] as $plid => $parent_link) {
if (!array_key_exists('below', $parent_link) || empty($parent_link['below'])) {
continue;
}
foreach ($parent_link['below'] as $id => $link) {
// Strip explicit server name for easier testing.
if (!$link['url']->isRouted()) {
if (substr($link['url']->getUri(), 0, 27) === 'https://lits.mtholyoke.edu/') {
$variables['items'][$plid]['below'][$id]['url'] = substr($link['url']->getUri(), 26);
}
}
// Add icon for external tool.
$external_tool = $link['entity']->get('field_external_tool')->getString();
if ($external_tool === '1') {
$variables['items'][$plid]['below'][$id]['title'] = [
'#markup' => $link['title'] . ' <i class="fas fa-share-from-square"></i><span class="visually-hidden">opens in a new tab</span>',
];
}
// Add service desk icon.
if ($link['entity']->get('field_show_icon')->getString() !== '1') {
continue;
}
$field_icon = $link['entity']->get('field_icon');
if (!$field_icon->isEmpty()) {
$variables['items'][$plid]['below'][$id]['field_icon'] = _lits_theme_render_menu_icon($field_icon);
}
elseif (!$link['url']->isRouted()) {
continue;
}
else {
try {
$params = $link['url']->getRouteParameters();
$entity_type = key($params);
$entity = \Drupal::entityTypeManager()->getStorage($entity_type)->load($params[$entity_type]);
if ($entity->hasField('field_icon')) {
$field_icon = $entity->get('field_icon');
if (!$field_icon->isEmpty()) {
$variables['items'][$plid]['below'][$id]['field_icon'] = _lits_theme_render_menu_icon($field_icon);
}
}
}
catch (\UnexpectedValueException $e) {
\Drupal::logger('lits_theme')->warning(
'Problem using route to get icon for main menu link %p > %l (mlid %m).',
[
'%p' => $parent_link['title'],
'%l' => $link['title'],
'%m' => $link['entity']->id(),
]
);
continue;
}
}
}
}
}
/**
* Implements hook_preprocess_node().
*/
function lits_theme_preprocess_node__article__search_result(&$variables) {
// Standardize variable names for the shared lits-search-result template.
// No authors: The authors/editors of the result.
// No availability: Availability information for the result.
// Keep content: The text content to be shown with the result.
// Remove date: The publication date of the result.
$variables['date'] = NULL;
// Add details: link text for more information about the result.
$variables['details'] = t('More...');
// Change heading_level: Tag to wrap the title in.
$variables['heading_level'] = 2;
// No subjects: Subjects or topics of the result.
// Add title: Title of the result.
$variables['title'] = $variables['label'];
// Maybe thumbnail: An image to be shown with the result.
// No type: The format/type of the result.
// Keep url: URL of the result web page or detail record.
}
/**
* Implements hook_preprocess_node().
*
* If field_meal empty, then show the contents of field_bite instead
*/
function lits_theme_preprocess_node__news_item__full(&$variables) {
$node = $variables['node'];
$meal = $node->get('field_meal')->getValue();
if (is_array($meal) && empty($meal)) {
$bite = $node->get('field_bite')->getValue();
$uri = 'entity:node/' . $node->id();
$val = $node->get('field_url')->getValue();
if (is_array($val) && !empty($val) && is_array($val[0]) && array_key_exists('uri', $val[0]) && !empty($val[0]['uri'])) {
$uri = $val[0]['uri'];
}
$variables['content']['no-meal'] = [
'#markup' => $bite[0]['value'] . $uri ,
];
}
}
/**
* Implements hook_preprocess_node().
*
* Determine what URL to make the link to.
*/
function lits_theme_preprocess_node__news_item__teaser(&$variables) {
$node = $variables['node'];
$uri = 'entity:node/' . $node->id();
$val = $node->get('field_url')->getValue();
if (is_array($val) && !empty($val) && is_array($val[0]) && array_key_exists('uri', $val[0]) && !empty($val[0]['uri'])) {
$uri = $val[0]['uri'];
}
$url = Url::fromUri($uri);
$variables['target_url'] = $url->toRenderArray();
$variables['more_icon'] = 'fa-chevron-right';
if ($url->isExternal()) {
$variables['more_icon'] = 'fa-share-from-square';
}
$variables['color'] = '#a20067';
$color = $node->get('field_color')->getValue();
if (is_array($color) && !empty($color)) {
$variables['color'] = $color[0]['color'];
}
}
/**
* Implements hook_preprocess_node().
*
* Decorate detail fields with icons.
* Hours preprocessing happens in the LITS Hours module.
*/
function lits_theme_preprocess_node__study_space__full(&$variables) {
_lits_theme_attach_study_space_icons($variables);
}
/**
* Implements hook_preprocess_HOOK().
*
* Basically a copy of lits_search_preprocess_node__lits_search_result(),
* plus some extra magic for the detail icons.
*/
function lits_theme_preprocess_node__study_space__search_result_long(&$variables) {
// Standardize variable names for the shared lits-search-result template.
// No authors: The authors/editors of the result.
// No availability: Availability information for the result.
// Amend content: The text content to be shown with the result.
if (array_key_exists('field_service_desk', $variables['content'])) {
$term = $variables['node']->get('field_service_desk')->getValue()[0];
if (!empty($term)) {
$tid = $term['target_id'];
unset($variables['content']['field_service_desk'][0]['#plain_text']);
$open_now = '<div class="open-now-container" data-service-desk="' . $tid . '"></div>';
$variables['content']['field_service_desk'][0] = [
'#markup' => $open_now,
'#attached' => ['library' => ['lits_hours/open_now']],
];
}
}
$details = $variables['elements']['#fieldgroups']['group_study_space_details'];
foreach ($details->children as $field) {
// Don’t show icons for features that don't exist.
if ($variables['node']->get($field)->getValue()[0]['value'] === '0') {
unset($variables['content'][$field]);
}
}
_lits_theme_attach_study_space_icons($variables);
// Remove date: The publication date of the result.
$variables['date'] = NULL;
// Add details: link text for more information about the result.
$variables['details'] = t('More...');
// Add heading_level: Tag to wrap the title in.
$variables['heading_level'] = 2;
// No subjects: Subjects or topics of the result.
// Add title: Title of the result.
$variables['title'] = $variables['label'];
// Maybe thumbnail: An image to be shown with the result.
if (array_key_exists('field_location_photos', $variables['content'])) {
if (array_key_exists(0, $variables['content']['field_location_photos'])) {
$variables['thumbnail'] = $variables['content']['field_location_photos'][0];
unset($variables['content']['field_location_photos']);
}
}
// No type: The format/type of the result.
// Keep url: URL of the result web page or detail record.
}
/**
* Implements hook_preprocess_node().
*
* Add status icons, modification date if recent enough
*/
function lits_theme_preprocess_node__system_status__full(&$variables) {
lits_theme_add_system_status_icon($variables);
// lits_theme_sort_system_status_updates($variables, true);
}
function lits_theme_preprocess_node__system_status__teaser(&$variables) {
lits_theme_add_system_status_icon($variables);
// Get ID of most recent comment for this system
$mostRecentUpdateId = 0;
foreach (array_keys($variables['content']['field_comments'][0]['comments']) as $key) {
if (is_numeric($key) && $key != 0 && gettype($key) != 'boolean') {
$mostRecentUpdateId = $key;
break;
}
}
// If there's a comment, grab it, check that it's recent enough/the status is appropriate, then blank the rest of the comments for this page
if ($mostRecentUpdateId > 0) {
$mostRecentUpdate = $variables['content']['field_comments'][0]['comments'][$mostRecentUpdateId];
// Only add comments with modification dates that are reasonably current,
// or if the status is unavailable, degraded, or planned maintenance (status_id less than 40).
$cutoff = strtotime('-7 days');
$modified = $mostRecentUpdate['#comment']->getChangedTime();
if($cutoff < $modified || $variables['content']['#status_id'] < "40") {
foreach (array_keys($variables['content']['field_comments'][0]['comments']) as $key) {
if (is_numeric($key) && $key != 0 && $key != $mostRecentUpdateId) {
$variables['content']['field_comments'][0]['comments'][$key] = NULL;
}
}
} else {
$variables['content']['field_comments'][0]['comments'] = NULL;
}
}
}
function lits_theme_add_system_status_icon(&$variables) {
$node = $variables['node'];
$current_uri = \Drupal::request()->getRequestUri();
$variables['content']['#current_uri'] = $current_uri;
$system_status_uri = Url::fromRoute('entity.node.canonical', ['node' => $node->id()]);
$variables['content']['#system_status_uri'] = $system_status_uri->toString();
$system_status_edit_uri = Url::fromRoute('entity.node.edit_form', ['node' => $node->id()]);
$variables['content']['#system_status_edit_uri'] = $system_status_edit_uri->toString();
$variables['content']['#status_id'] = $node->get('field_status')->getValue()[0]['value'];
// Custom variable logic for iconography, label, sorting, etc
// $variables['content']['#status_id']: comes from the field settings in the db
// $variables['content']['#status_sort']: status sort order in table
// $variables['content']['#fontawesome']: status icon class for FontAwesome
// $variables['content']['#protected_system']: whether visible to non-authorized folks
// $variables['content']['#field_status_override']: optional label override for status
switch ($variables['content']['#status_id']) {
case 10:
// unavailable
$variables['content']['#fontawesome'] = 'fas fa-circle-xmark';
$variables['content']['#protected_system'] = FALSE;
break;
case 20:
// degraded
$variables['content']['#fontawesome'] = 'fas fa-triangle-exclamation';
$variables['content']['#protected_system'] = FALSE;
break;
case 30:
// planned maintenance
$variables['content']['#fontawesome'] = 'fas fa-screwdriver-wrench';
$variables['content']['#protected_system'] = FALSE;
break;
case 40:
// normal
$variables['content']['#fontawesome'] = 'fas fa-square-check';
$variables['content']['#protected_system'] = FALSE;
break;
case 99:
// hidden
$variables['content']['#fontawesome'] = 'fas fa-eye-slash';
$variables['content']['#protected_system'] = TRUE;
break;
default:
// unknown
$variables['content']['#fontawesome'] = 'fas fa-circle-question';
$variables['content']['#protected_system'] = TRUE;
break;
}
// Override the status for unpublished nodes/systems
if (!$node->isPublished()) {
$variables['content']['#status_id'] = '100';
$variables['content']['#fontawesome'] = 'fas fa-pen-to-square';
$variables['content']['#field_status_override'] = 'UNPUBLISHED';
$variables['content']['#protected_system'] = TRUE;
}
}
/**
* Implements hook_preprocess_node().
*
* Make sure people have the placeholder staff image if their Person
* record is missing an image.
*
* NOTE: This does NOT run on the department/division pages for some
* inexplicable reason. We've added placeholders on those pages through the
* about_lits_staff view structure configuration itself.
*/
function lits_theme_preprocess_node__person(&$variables) {
// We don't show staff images in teasers, so don't waste time/resources.
if ($variables['view_mode'] == 'teaser') {
return;
}
// TODO: move into our development documentation.
// phpcs:disable
// Kudos to https://drupal.stackexchange.com/questions/186315/how-to-get-instance-of-referenced-entity/186317#18631
// $referencedEntity = $node // Drupal\node\Entity\Node
// ->get('field_staff_image')// Drupal\Core\Field\EntityReferenceFieldItemList
// ->first()// Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem
// ->get('entity')// Drupal\Core\Field\Plugin\DataType\EntityReference
// ->getTarget()// Drupal\Core\Field\Plugin\DataType\EntityAdapter
// ->getValue()// Drupal\media\Entity\Media
// ;
// phpcs:enable
$node = $variables['node'];
// Look for staff image and load in placeholder if needed.
if (!is_null($node->get('field_staff_image'))) {
if (!is_null($node->get('field_staff_image')->first())) {
// TODO: does this need more robust null checking?
$media = $node->get('field_staff_image')->first()->get('entity')->getTarget()->getValue();
if (!is_null($media)) {
// Already has an image.
return;
}
}
else {
// Has a field_staff_image, but no entity reference item (this seems to
// be where BOTH nodes that have not been edited AND edited nodes without
// an image end up. The other else statements don't seem to ever occur.
// Missing an image.
// Load placeholder.
// TODO: does this need null checking?
$media = \Drupal::entityTypeManager()->getStorage('media')->loadByProperties(['name' => 'Staff.png']);
// There's only 1 media entity, but the load returns an array anyway
// TODO: does this need null checking?
$field_staff_image = \Drupal::entityTypeManager()->getViewBuilder('media')->viewMultiple($media, $variables['view_mode']);
// Put the placeholder image in the content.
$variables['content']['field_staff_image'] = $field_staff_image;
}
}
}
/**
* Implements hook_preprocess_node().
*
* Get the person’s division from their department(s).
*/
function lits_theme_preprocess_node__person__full(&$variables) {
$node = $variables['elements']['#node'];
$values = $node->get('field_department')->getValue();
$dept = [];
$divs = [];
foreach ($values as $d) {
$tid = $d['target_id'];
$dept[$tid] = $d;
// Find the division for this department.
$parents = \Drupal::service('entity_type.manager')->getStorage("taxonomy_term")->loadAllParents($tid);
foreach ($parents as $p) {
$pid = $p->id();
if ($tid === $pid && count($parents) > 1) {
// Terms show as their own parent. Skip unless there’s no other parent.
continue;
}
if (!isset($divs[$pid])) {
$divs[$pid] = $p;
}
}
}
// We always show divisions.
if (count(array_keys($divs)) > 1) {
$variables['content']['divisions_plural'] = 's';
}
foreach ($divs as $tid => $d) {
$variables['content']['divisions'][] = [
'#type' => 'link',
'#title' => $d->label(),
'#url' => Url::fromRoute('entity.taxonomy_term.canonical', [
'view_id' => 'taxonomy_term',
'display_id' => 'page_1',
'taxonomy_term' => $tid,
]),
];
}
// Only show departments if they’re not the same as divisions.
if (array_keys($dept) == array_keys($divs)) {
$variables['content']['show_departments'] = FALSE;
}
else {
$variables['content']['show_departments'] = TRUE;
if (count(array_keys($dept)) > 1) {
$variables['content']['departments_plural'] = 's';
}
foreach ($dept as $tid => $d) {
$term = Term::load($tid);
$variables['content']['departments'][] = [
'#type' => 'link',
'#title' => $term->label(),
'#url' => Url::fromRoute('entity.taxonomy_term.canonical', [
'view_id' => 'taxonomy_term',
'display_id' => 'page_1',
'taxonomy_term' => $tid,
]),
];
}
}
}
/**
* Implements hook_preprocess_page().
*
* Forces max cache time of 5 min on location pages.
* Suppresses sidebar on location and other pages.
* Suppresses page title outside main content on location pages.
*/
function lits_theme_preprocess_page(&$variables) {
// Set to 'none' for no sidebar, or 'foot' to have it below main content.
$variables['sidebar_location'] = 'side';
// Tweaks for specific node types and non-node pages.
if (isset($variables['node'])) {
$node = $variables['node'];
$variables['node_type'] = $node->bundle();
switch ($variables['node_type']) {
case 'article':
$sidebar_position = $node->get('field_sidebar_position')->getValue();
if (!empty($sidebar_position)) {
switch ($sidebar_position[0]['value']) {
case 'hidden':
$variables['sidebar_location'] = 'none';
break;
case 'footer':
$variables['sidebar_location'] = 'foot';
break;
}
}
break;
case 'lits_homepage':
$variables['sidebar_location'] = 'none';
// $variables['page']['content']['system_main']['#cache']['max-age'] = 300;
$variables['page']['#cache']['max-age'] = 0;
\Drupal::service('page_cache_kill_switch')->trigger();
// \Drupal::service('page_cache_kill_switch')->trigger();
// return [
// '#markup' => time(),
// // '#cache' => ['max-age' => 0,],
// ];
break;
case 'study_space':
unset($variables['page']['content']['lits_theme_page_title']);
$variables['page']['#cache']['max-age'] = 300;
$variables['sidebar_location'] = 'none';
break;
}
}
else {
// Not a node. Figure out what it is and act accordingly.
$route = \Drupal::service('current_route_match');
switch ($route->getRouteName()) {
case 'entity.taxonomy_term.canonical':
$term = $route->getParameters()->get('taxonomy_term');
$variables['term'] = $term;
$variables['term_type'] = $term->bundle();
if ($variables['term_type'] === 'service_desks') {
unset($variables['page']['content']['lits_theme_page_title']);
$variables['page']['#cache']['max-age'] = 300;
$variables['sidebar_location'] = 'none';
}
break;
// Service desk hours pages.
// Bento search results page.
// Service desks index page.
case 'lits_hours.service_desk_hours':
case 'lits_search.lits':
$variables['sidebar_location'] = 'none';
break;
// Study space finder page.
case 'view.study_spaces.page_1':
// In lits_theme_preprocess_views_view() below, we set the title only if
// there are arguments to the view. Otherwise, we need to set it here
// so we affect only the <h1>, not the <title> or breadcrumbs.
if ($variables['page']['#title'] === 'Study spaces') {
$variables['page']['content']['lits_theme_page_title'] = [
'#markup' => t('<h1 class="h1">Search results for <span class="search-query">all study spaces</span></h1>'),
];
}
break;
case 'search.view_google_json_api_search':
// Set the <h1> and <title> to indicate these are search results.
$variables['page']['content']['lits_theme_page_title'] = [
'#markup' => t(
'<h1 class="h1">Search results for <span class="search-query">@q</span></h1>
<h2 class="didyoumean">Did you mean to <a href="/search/library?q=@q">search for library materials</a>?</h2>',
['@q' => \Drupal::request()->get('keys')]
)
];
break;
}
}
}
/**
* Implements hook_preprocess_HOOK().
*
* Adds downloadable attribute to downloadable basic image paragraph type
*/
function lits_theme_preprocess_paragraph__downloadable_basic_image(&$variables) {
$media = $variables['content']['field_image'][0]['#media'];
$fid = $media->getSource()->getSourceFieldValue($media);
$file = File::load($fid);
// Get the image URL and the media name information
$url_generator = \Drupal::service('file_url_generator');
$uri = $file->getFileUri();
$url = $url_generator->generateAbsoluteString($uri);
$filename = $media->getName();
// Modify link to add download attribute and class, set the URL to the image URL, and make the link title more descriptive.
$variables['content']['field_link'][0]['#title'] = "Download " . $filename;
$variables['content']['field_link'][0]['#url'] = $url;
$variables['content']['field_link'][0]['#attributes'] = [
'download' => $filename,
'class' => "downloadable-basic-image"
];
}
/**
* Implements hook_preprocess_HOOK().
*
* Sets up style selectors for the sidebar based on its contents.
*/
function lits_theme_preprocess_region__sidebar(&$variables) {
$variables['attributes']['id'] = 'sidebar-container';
$contents = [
'menu' => 0,
'desk' => 0,
'dept' => 0,
'form' => 0,
];
$forms = [
'exposedformstudy_spacespage_1_2',
];
foreach ($variables['elements'] as $key => $value) {
if ($key === 'lits_theme_views_block__service_desk_block_block_1') {
if (array_key_exists('content', $value)) {
$contents['desk'] += $value['content']['#view']->total_rows;
}
}
elseif ($key === 'lits_theme_views_block__department_block_block_1') {
if (array_key_exists('content', $value)) {
$contents['dept'] += $value['content']['#view']->total_rows;
}
}
elseif (substr($key, 0, 11) === 'lits_theme_' || $key === 'ascsidebarlinks') {
if ($value['#markup'] !== '') {
$contents['menu'] += 1;
}
}
elseif (in_array($key, $forms)) {
$contents['form'] += 1;
}
}
foreach ($contents as $type => $count) {
$variables['attributes']['class'][] = $type . '-' . $count;
}
}