56 lines
1.7 KiB
Plaintext
56 lines
1.7 KiB
Plaintext
<?php
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/**
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* @file
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* Preprocess functions for Basic.
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*/
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use Drupal\Core\Cache\CacheableMetadata;
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/**
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* Prepares variables for the html.html.twig template.
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*/
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function basic_preprocess_html(&$variables) {
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try {
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$variables['is_front'] = \Drupal::service('path.matcher')->isFrontPage();
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}
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catch (Exception $e) {
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// If the database is not yet available, set default values for these
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// variables.
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$variables['is_front'] = FALSE;
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}
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// If we're on the front page.
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if (!$variables['is_front']) {
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// Add unique classes for each page and website section.
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$path = \Drupal::service('path.current')->getPath();
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$alias = \Drupal::service('path.alias_manager')->getAliasByPath($path);
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$alias = trim($alias, '/');
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if (!empty($alias)) {
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$name = str_replace('/', '-', $alias);
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$variables['attributes']['class'][] = 'page-' . $name;
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list($section,) = explode('/', $alias, 2);
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if (!empty($section)) {
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$variables['attributes']['class'][] = 'section-' . $section;
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}
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}
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}
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// Add cachability metadata.
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$theme_name = \Drupal::theme()->getActiveTheme()->getName();
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$theme_settings = \Drupal::config($theme_name . '.settings');
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CacheableMetadata::createFromRenderArray($variables)
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->addCacheableDependency($theme_settings)
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->applyTo($variables);
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// Union all theme setting variables to the html.html.twig template.
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$variables += $theme_settings->getOriginal();
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}
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/**
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* Prepares variables for the field.html.twig template.
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*/
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function basic_preprocess_field(&$variables, $hook) {
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// Make additional variables available to the template.
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$variables['bundle'] = $variables['element']['#bundle'];
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}
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