matter.theme

<?php
/**
 * @file
 * The primary PHP file for the Matter Admin Theme.
 *
 */

/**
 * Implements hook_preprocess_form_element().
 */
function matter_preprocess_form_element(array &$variables) {
  if (!isset($variables['label'])) {
    return;
  }

  // This is later used in matter_theme_suggestions_form_element_label_alter
  // to suggest unique label templates for elements.
  if (isset($variables['element']['#type'])) {
    $variables['label']['#form_element_type'] = $variables['element']['#type'];
  }

  // Pass on theme settings to template.
  $variables['persistent_helptext'] = theme_get_setting('matter_persistent_helptext');
  $variables['checkbox_to_toggle'] = theme_get_setting('matter_checkbox_to_toggle');
}

/**
 * Implements hook_preprocess_form_element().
 */
function matter_preprocess_input(array &$variables) {
  $variables['checkbox_to_toggle'] = theme_get_setting('matter_checkbox_to_toggle');
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function matter_theme_suggestions_form_element_alter(array &$suggestions, array $variables) {
  $element = $variables['element'];
  switch ($element['#type']) {
    // These fields can use the same template.
    case 'date':
    case 'email':
    case 'entity_autocomplete':
    case 'number':
    case 'password':
    case 'search':
    case 'textfield':
    case 'url':
      $suggestions[] = 'form_element__textfield';
      break;
    default:
      $suggestions[] = 'form_element__' . $element['#type'];
      break;
  }
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function matter_theme_suggestions_form_element_label_alter(array &$suggestions, array $variables) {
  if (isset($variables['element']['#form_element_type'])) {
    switch ($variables['element']['#form_element_type']) {
      // These fields can use the same label template.
      case 'date':
      case 'email':
      case 'entity_autocomplete':
      case 'number':
      case 'password':
      case 'search':
      case 'textfield':
      case 'textarea':
      case 'url':
        $suggestions[] = 'form_element_label__textfield';
        break;
      default:
        $suggestions[] = 'form_element_label__' . $variables['element']['#form_element_type'];
        break;
    }
  }
}

/**
 * Implements template_preprocess_select().
 */
function matter_preprocess_select(array &$variables) {
  if (!empty($variables['element']['#title']))
    $variables['title'] = $variables['element']['#title'];
  else
    $variables['title'] = t('Select One');
}

/**
 * Implements template_preprocess_menu_local_task().
 */
function matter_preprocess_menu_local_task(array &$variables) {
  $classes = [
    'mdc-tab',
    'mdc-tab-bar--indicator-accent',
  ];

  if (isset($variables['is_active']) && $variables['is_active']) {
    $classes[] = 'mdc-tab--active';
  }

  $variables['link']['#options']['attributes']['class'] = $classes;
}

/**
 * Implements template_preprocess_menu_local_action().
 */
function matter_preprocess_menu_local_action(array &$attributes) {
  $attributes['url'] = $attributes['element']['#link']['url'];
}

function matter_preprocess_menu_account(&$attributes) {
  kint($attributes);
  $attributes['url'] = $attributes['element']['#link']['url'];
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function matter_theme_suggestions_table_alter(array &$suggestions, array $variables) {
  if (!empty($variables['attributes']['id'])) {
    $suggestions[] = 'table__' . $variables['attributes']['id'];
  }
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function matter_theme_suggestions_links_alter(array &$suggestions, array $variables) {
  if (!empty($variables['attributes']['id'])) {
    $suggestions[] = 'links__' . $variables['attributes']['id'];
  }
  if (!empty($variables['attributes']['class']) && in_array('operations', $variables['attributes']['class'])) {
    $suggestions[] = 'links__operations';
  }
}

/**
 * Implements hook_form_alter().
 */
function matter_form_alter(array &$form, \Drupal\Core\Form\FormStateInterface $formState, $form_id) {
  if (!empty($form['actions']['delete'])) {
    $form['actions']['delete']['#attributes']['class'][] = 'mdc-button';
    $form['actions']['delete']['#attributes']['class'][] = 'mdc-button--accent';
  }
}

/**
 * Implements hook_library_info_alter().
 */
function matter_library_info_alter(&$libraries, $extension) {
  if(theme_get_setting('matter_should_use_custom_cdn')) {
    $cdn_css = theme_get_setting('matter_library_css');
    $cdn_js = theme_get_setting('matter_library_js');

    if (!empty($cdn_css) && !empty($cdn_js)) {
      $libraries['matter/material-components-web'] = [
        'js' => [
          $cdn_js => [
            'external' => TRUE,
          ],
        ],
        'css' => [
          'theme' => [
            $cdn_css => [
              'external' => TRUE,
            ],
          ],
        ],
      ];
    }
  }
}

/**
 * Implements template_preprocess_page().
 */
function matter_preprocess_page(array &$variables) {
  $variables['theme_color_primary'] = theme_get_setting('matter_color_primary');
  $variables['theme_color_accent'] = theme_get_setting('matter_color_accent');
  $variables['theme_color_background'] = theme_get_setting('matter_color_background');
}

/**
 * Implements template_preprocess_views_exposed_form().
 */
function matter_preprocess_views_exposed_form(array &$variables) {
  if(theme_get_setting('matter_hide_exposed_form')) {
    $variables['hide_exposed_form'] = TRUE;
  }
}

/**
 * Implements template_preprocess_table().
 */
function matter_preprocess_table(array &$variables) {
  if (array_key_exists('operations', $variables['header'])) {
    $variables['header']['operations']['attributes']['class'] = ['views-field-operations'];
  }
}

/**
 * Implements template_preprocess_links().
 */
function matter_preprocess_links(array &$variables) {

}