gin_login-8.x-1.0-rc6/gin_login.module

<?php

/**
 * @file
 * gin_login.module
 */

use Drupal\Core\Url;
use Drupal\user\UserInterface;
use Drupal\gin\GinSettings;

/**
 * Page_attachments_alter()
 */
function gin_login_page_attachments_alter(&$page) {
  if (_gin_login__check_path()) {
    if (_gin_login_gin_is_active()) {
      // Get Gin settings.
      /** @var \Drupal\gin\GinSettings $settings */
      $settings = \Drupal::classResolver(GinSettings::class);

      // Attach the init script.
      $page['#attached']['library'][] = 'gin/gin_init';

      // Attach Gin styles.
      $page['#attached']['library'][] = 'gin/gin';

      // Attach accent overrides CSS.
      $page['#attached']['library'][] = 'gin/gin_accent';

      // Attach custom Gin overrides.
      if (file_exists('public://gin-custom.css')) {
        $page['#attached']['library'][] = 'gin/gin_custom_css';
      }

      // Expose settings to JS.
      $page['#attached']['drupalSettings']['gin']['darkmode'] = $settings->get('enable_darkmode');
      $page['#attached']['drupalSettings']['gin']['darkmode_class'] = 'gin--dark-mode';
      $page['#attached']['drupalSettings']['gin']['preset_accent_color'] = $settings->get('preset_accent_color');
      $page['#attached']['drupalSettings']['gin']['accent_color'] = $settings->get('accent_color');
      $page['#attached']['drupalSettings']['gin']['preset_focus_color'] = $settings->get('preset_focus_color');
      $page['#attached']['drupalSettings']['gin']['focus_color'] = $settings->get('focus_color');
      $page['#attached']['drupalSettings']['gin']['highcontrastmode'] = $settings->get('high_contrast_mode');
      $page['#attached']['drupalSettings']['gin']['highcontrastmode_class'] = 'gin--high-contrast-mode';
    }

    // Check if path is available and we're at user level.
    $page['#attached']['library'][] = 'gin_login/gin_login';
  }
}

/**
 * Implements hook_preprocess_HOOK() for html.
 */
function gin_login_preprocess_html(&$variables) {
  if (_gin_login__check_path() && _gin_login_gin_is_active()) {
    // Get Gin settings.
    /** @var \Drupal\gin\GinSettings $settings */
    $settings = \Drupal::classResolver(GinSettings::class);

    // Set accent color.
    $variables['attributes']['data-gin-accent'] = $settings->get('preset_accent_color');

    // Set focus color.
    $variables['attributes']['data-gin-focus'] = $settings->get('preset_focus_color');

    // High contrast mode.
    if ($settings->get('high_contrast_mode')) {
      $variables['attributes']['class'][] = 'gin--high-contrast-mode';
    }

    // Add identification class to paths.
    $variables['attributes']['class'][] = 'gin-login';
  }
}

/**
 * Form_alter()
 */
function gin_login_form_alter(&$form, $form_state, $form_id) {
  // User form (Login, Register or Forgot password)
  if (strpos($form_id, 'user_login') !== FALSE || strpos($form_id, 'user_register') !== FALSE || strpos($form_id, 'user_pass') !== FALSE) {
    $form['actions']['submit']['#attributes']['class'][] = 'button--primary';
  }

  // Adding button/links to Register and Forgot password.
  if (strpos($form_id, 'user_login') !== FALSE) {
    // Move actions before new elements.
    $form['actions']['#weight'] = '98';

    // Add new class to submit button.
    $form['actions']['submit']['#attributes']['class'][] = 'button-login';

    // New wrapper.
    $form['more-links'] = [
      '#type' => 'container',
      '#weight' => '99',
      '#attributes' => ['class' => ['more-links']],
    ];

    // Register button.
    if (\Drupal::config('user.settings')->get('register') != UserInterface::REGISTER_ADMINISTRATORS_ONLY) {
      $form['more-links']['register_button'] = [
        '#type' => 'link',
        '#url' => Url::fromRoute('user.register'),
        '#title' => t('Create new account'),
        '#attributes' => [
          'class' => [
            'register-button',
            'button',
            'button--secondary',
          ],
        ],
        '#weight' => '1',
      ];
    }

    // Forgot password link.
    $form['more-links']['forgot_password_link'] = [
      '#type' => 'link',
      '#url' => Url::fromRoute('user.pass'),
      '#title' => t('Forgot your password?'),
      '#attributes' => ['class' => ['link', 'forgot-password-link']],
      '#weight' => '2',
    ];
  }

  // Changing name of Reset button.
  if (strpos($form_id, 'user_pass') !== FALSE) {
    $form['actions']['submit']['#value'] = t('Reset');
  }
}

/**
 * Theme()
 */
function gin_login_theme() {
  // Page.
  $theme['page__user__login'] = [
    'template' => 'page--user--login',
    'preprocess functions' => ['gin_login_preprocess_ginlogin'],
  ];
  $theme['page__user__password'] = [
    'template' => 'page--user--password',
    'preprocess functions' => ['gin_login_preprocess_ginlogin'],
  ];
  $theme['page__user__register'] = [
    'template' => 'page--user--register',
    'preprocess functions' => ['gin_login_preprocess_ginlogin'],
  ];

  return $theme;
}

/**
 * CSS_alter()
 */
function gin_login_css_alter(&$css, $assets) {
  $path = \Drupal::service('extension.list.module')->getPath('gin_login') . '/dist/css/login.css';
  if (isset($css[$path])) {
    // Use anything greater than 100 to have it load
    // after the theme as CSS_AGGREGATE_THEME is set to 100.
    $css[$path]['group'] = 201;
  }
}

/**
 * Implements hook_preprocess_HOOK().
 */
function gin_login_preprocess_ginlogin(&$variables) {
  $config = \Drupal::config('gin_login.settings');
  $theme = \Drupal::theme()->getActiveTheme()->getName();
  $variables['site_name'] = \Drupal::config('system.site')->get('name');
  $themeIconPath = theme_get_setting('icon_path', $theme);
  $themeUseDefaultIcon = theme_get_setting('icon_default', $theme);
  $darkmode = theme_get_setting('enable_darkmode', $theme);
  $fileUrlGenerator = \Drupal::service('file_url_generator');

  // #3258015: Make sure we're compatible with the new variant.
  if ($themeUseDefaultIcon === NULL) {
    $themeIconPath = theme_get_setting('logo.path', $theme);
    $themeUseDefaultIcon = theme_get_setting('logo.use_default', $theme);
  }

  if (!$themeUseDefaultIcon && !empty($themeIconPath)) {
    $variables['icon_path'] = $fileUrlGenerator->generateAbsoluteString($themeIconPath);
  }

  $configData = $config->get();

  if ($configData['logo']['use_default'] == "0") {
    if (isset($configData['logo']['path']) && !empty($configData['logo']['path'])) {
      $variables['icon_path'] = $fileUrlGenerator->generateAbsoluteString($configData['logo']['path']);
    }
  }

  $variables['brand_image'] = '//source.unsplash.com/collection/9407737';
  $variables['brand_alt'] = 'Random image from unsplash';

  if ($configData['brand_image']['use_default'] == "0") {
    if (isset($configData['brand_image']['path']) && !empty($configData['brand_image']['path'])) {
      $variables['brand_image'] = $fileUrlGenerator->generateAbsoluteString($configData['brand_image']['path']);
      $variables['brand_alt'] = '';
    }
  }
}

/**
 * Helper function to check if we're on the right paths.
 */
function _gin_login__check_path() {
  // Get path from Route.
  $route = \Drupal::routeMatch()->getRouteName();

  if (
    $route == 'user.login' ||
    $route == 'user.pass' ||
    $route == 'user.register'
  ) {
    return TRUE;
  }
  else {
    return FALSE;
  }
}

/**
 * Helper function for check if Gin is active.
 */
function _gin_login_gin_is_active() {
  $theme_handler = \Drupal::service('theme_handler')->listInfo();

  // Check if set as frontend theme.
  $frontend_theme_name = \Drupal::config('system.theme')->get('default');

  // Check if base themes are set.
  if (isset($theme_handler[$frontend_theme_name]->base_themes)) {
    $frontend_base_themes = $theme_handler[$frontend_theme_name]->base_themes;
  }

  // Add theme name to base theme array.
  $frontend_base_themes[$frontend_theme_name] = $frontend_theme_name;

  // Check if set as admin theme.
  $admin_theme_name = \Drupal::config('system.theme')->get('admin');

  // Admin theme will have no value if is set to use the default theme.
  if ($admin_theme_name) {
    $admin_base_themes = isset($theme_handler[$admin_theme_name]->base_themes) ? $theme_handler[$admin_theme_name]->base_themes : [];
    $admin_base_themes[$admin_theme_name] = $admin_theme_name;
  }
  else {
    $admin_base_themes = $frontend_base_themes;
  }

  $gin_activated = array_key_exists('gin', $admin_base_themes);

  return $gin_activated;
}