dta_gov_au.theme

<?php

use Drupal\Core\Form\FormStateInterface;
use Drupal\Component\Render\FormattableMarkup;
Use Drupal\Component\Utility;
use Drupal\Core\Url;
use Drupal\Core\Link;
use Drupal\taxonomy\Entity\Term;
use Drupal\node\Entity\Node;
use Drupal\book\BookManager;

/**
 * Implements HOOK_form_alter()
 *
 * This changes the performance of the views exposed form used to filter roadmap
 * nodes. We do this here because we want the form to be controlled via
 * JavaScript rather than OOTB functionality. We don't actually want to remove
 * things from the view, just show and hide them, otherwise all the formatting
 * gets lost because we need to maintain the grouping structure.
 */

// Helper function.
function _removeElementWithValue($array, $value) {
  foreach($array as $subKey => $subArray) {
    if($subArray == $value){
      unset($array[$subKey]);
    }
  }
  return $array;
}

function dta_gov_au_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  if($form_id == 'views_exposed_form' && strpos($form['#id'], 'roadmap' !== false)) {
    // Ditch the 'apply' button. The option to submit is also turned off via JS.
    unset($form['actions']['submit']);
  }
  if ($form_id == 'user_login_form') {
       // on submit execute the YourThemeName_user_login_submit function
      $form['#submit'][] = 'dta_gov_au_user_login_submit';
   }
}

function dta_gov_au_user_login_submit($form, &$form_state) {
    // redirect use to the homepage (front) on login
$url='<front>';
$form_state->setRedirect($url);

}

/**
 * Implements HOOK_preprocess_maintenance_page()
 *
 * Adds required variables to the maintenance page.
 **/

function dta_gov_au_preprocess_maintenance_page(&$variables) {
  $form = Drupal::formBuilder()->getForm(Drupal\user\Form\UserLoginForm::class) ;
  $render = Drupal::service('renderer');
  $variables['login_form'] = $render->renderPlain($form);
}

function dta_gov_au_preprocess_html(&$variables) {
  if(isset($_ENV['ENVIRONMENT'])) {
    $variables['environment'] = $_ENV['ENVIRONMENT'];
  } else {
    $variables['environment'] = 'local';
  }

  // IE EDGE SUPPORT

  $meta_ie_edge = array(
    '#type' => 'html_tag',
    '#tag' => 'meta',
    '#attributes' => array(
      'http-equiv' => 'X-UA-Compatible',
      'content' =>  'IE=edge,chrome=1',
    ),
    '#weight' => -999999,
  );
  // Add header meta tag for IE to head
  $variables['page']['#attached']['html_head'][] = [$meta_ie_edge, 'meta_ie_edge'];
}

/**
 * Implements hook_preprocess_page().
 *
 * Adds variables to the page template for book roots, including the
 * link to the book root, the book ID and the book root title.
 *
 **/

function dta_gov_au_preprocess_page(&$variables) {
  if(isset($variables['node']->book['bid'])) {
    $book = $variables['node']->book;
    $bid = $book['bid'];
    if ($book['pid'] == 0) {
      $book_title = $book['link_title'];
    } else {
      $book_root = Node::load($bid);
      $book_title = $book_root->book['link_title'];
    }
    $link = Link::fromTextAndUrl($book_title, Url::fromRoute('entity.node.canonical', ['node' => $bid]));
    $link = $link->toRenderable();
    $link['#attributes']['title'] = t('Go to the title page of the @root_title', ['@root_title' => $book_title]);
    $variables['book_link'] = $link;
    $variables['bid'] = $bid;
    $variables['book_title'] = $book_title;
  }
}

/**
 * Implements hook_preprocess_menu().
 *
 * Adds 'is_front' variable to html.html.twig.
 * Adds the 'active' class to the active <li>.
 *
 **/
function dta_gov_au_preprocess_menu(&$variables, $hook) {
  try {
    $variables['is_front'] = \Drupal::service('path.matcher')->isFrontPage();
  }
  catch (Exception $e) {
    $variables['is_front'] = FALSE;
  }
	if ($hook == 'menu') {
		dta_gov_au_menu_active_item($variables['items']);
    $current_path = \Drupal::request()->getRequestUri();
    foreach ($variables['items'] as &$item) {
      if ($item['in_active_trail']) {
        if ($item['url']->toString() == $current_path) {
          $item['is_active'] = TRUE;
        } elseif (count($item['below'])) {
          _dta_gov_au_menu_process_submenu($item['below'], $current_path);
        }
      }
    }
	}
}

/**
 * Set active and active-trail class for sub-menus recursively.
 */
function _dta_gov_au_menu_process_submenu(&$submenu, $current_path) {
  foreach ($submenu as &$item) {
    if ($item['in_active_trail']) {
      if ($item['url']->toString() == $current_path) {
        $item['is_active'] = TRUE;
      } elseif (count($item['below'])) {
        _dta_gov_au_menu_process_submenu($item['below'], $current_path);
      }
    }
  }
}

function dta_gov_au_preprocess_links__node(&$variables) {
  if(isset($variables['links']['book_printer'])) {
    $params = $variables['links']['book_printer']['link']['#url']->getRouteParameters();
    $nid = $params['node'];
    $node = Node::load($nid);
    $bid = $node->book['bid'];
    $variables['links']['book_printer']['link']['#url']->setRouteParameter('node', $bid);
    // We're unsetting this because the link is added in page--book.html.twig and
    // hook_preprocess_page() above.
    unset($variables['links']['book_printer']);
  }
}

function dta_gov_au_menu_active_item(&$items) {
  $current_path = \Drupal::request()->getRequestUri();
  foreach ($items as $key => $item) {
    // if path is current path, set active to li
    if ($item['url']->toString() == $current_path) {
      // add active linl
      $items[$key]['attributes']['class'] = 'active';
    }
    if (!empty($items[$key]['below'])) {
      dta_gov_au_menu_active_item($items[$key]['below']);
    }
  }
}

/**
 * Implements hook_theme_suggestions_block_alter().
 *
 * As per https://www.drupal.org/docs/8/theming-drupal-8/creating-a-drupal-8-sub-theme-or-sub-theme-of-sub-theme
 * to ensure that sub themes inherit block templates.
 */
function dta_gov_au_theme_suggestions_block_alter(&$suggestions, $variables) {
/**
 * Adds theme hook suggestions to blocks
 */
   if(isset($variables['elements']['#id'])) {
     $block_id = $variables['elements']['#id'];
     foreach ($suggestions as &$suggestion) {
       $suggestion = str_replace('dta_uikit_base_', 'dta_gov_au_', $suggestion);
     }
   }
}

/**
 * Implements hook_theme_suggestions_HOOK_alter
 *
 * Adds suggestions to forms using the form ID.
 */

function dta_gov_au_theme_suggestions_form_alter(&$suggestions, $variables) {
  if(isset($variables['element']['#form_id'])) {
    $suggestions[] = $variables['theme_hook_original'] . '__' . str_replace('-', '_', $variables['element']['#form_id']);
  }
}

function dta_gov_au_theme_suggestions_container_alter(&$suggestions, $variables) {
  if(isset($variables['element']['#form_id'])) {
    $suggestions[] = $variables['theme_hook_original'] . '__' . str_replace('-', '_', $variables['element']['#form_id']);
  }
}

/**
 * Implements hook_theme_suggestions_HOOK_alter
 *
 * Adds suggestions to text inputs based on the ID of the element.
 */

function dta_gov_au_theme_suggestions_input_alter(&$suggestions, $variables) {
  if(isset($variables['element']['#id'])) {
    $suggestions[] = $variables['theme_hook_original'] . '__' . str_replace('-','_', $variables['element']['#id']);
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Adds placeholder text to the search bar.
 *
 **/

function dta_gov_au_form_search_api_page_block_form_alter(&$form, &$form_state, $form_id) {
  $search_text = \Drupal::service('path.matcher')->isFrontPage() ? t('What are you looking for today?') : t('Search dta.gov.au');
  $form['keys']['#attributes']['placeholder'] = $search_text;
  $form['keys']['#attributes']['required'] = TRUE;
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Adds honeypot protection to Zendesk form.
 *
 **/

function dta_gov_au_form_zendesk_support_form_alter(&$form, &$form_state, $form_id) {
   honeypot_add_form_protection($form, $form_state, array('honeypot', 'time_restriction'));
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Removes the 'homepage' field from comment forms.
 *
 **/

function dta_gov_au_form_comment_form_alter(&$form, &$form_state, $form_id) {

  $form['author']['homepage']['#access'] = FALSE;
  $form['author']['mail']['#title'] = t('Your email address');
  $form['author']['name']['#wrapper_attributes']['class'] = ['col-xs-12', 'col-sm-6'];
  $form['author']['mail']['#wrapper_attributes']['class'] = ['col-xs-12', 'col-sm-6'];
  $form['author']['name']['#attributes']['class'] = ['au-text-input--block'];
  $form['author']['mail']['#attributes']['class'] = ['au-text-input--block'];
  $form['author']['mail']['#description'] = t('Your email address will not be publicly displayed');
  $form['comment_body']['widget']['0']['#title'] = t('Your comment');
  $form['actions']['submit']['#value'] = t('Comment');

  $form['author_wrapper'] = [
    '#type' => 'container',
    '#attributes' => [
      'class' => ['row'],
    ],
    'name' => $form['author']['name'],
    'mail' => $form['author']['mail'],
    '#weight' => -97,
  ];

  unset($form['author']['name']);
  unset($form['author']['mail']);

}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Updates classes on form items in the mailchimp signup form.
 *
 **/

function dta_gov_au_form_mailchimp_signup_subscribe_block_sign_up_for_updates_form_1_alter(&$form, &$form_state, $form_id) {
  $form['mergevars']['EMAIL']['#attributes']['class'] = ['au-text-input--block', 'empty-required'];
  $form['mergevars']['FNAME']['#attributes']['class'] = ['au-text-input--block'];
  $form['mergevars']['LNAME']['#attributes']['class'] = ['au-text-input--block'];
  $form['mergevars']['EMAIL']['#title'] = t('Email address');
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Updates classes on form items in the mailchimp signup form in prod - Form Id is different.
 *
 **/

function dta_gov_au_form_mailchimp_signup_subscribe_block_sign_up_for_updates_form_alter(&$form, &$form_state, $form_id) {
  $form['mergevars']['EMAIL']['#attributes']['class'] = ['au-text-input--block', 'empty-required'];
  $form['mergevars']['FNAME']['#attributes']['class'] = ['au-text-input--block'];
  $form['mergevars']['LNAME']['#attributes']['class'] = ['au-text-input--block'];
  $form['mergevars']['EMAIL']['#title'] = t('Email address');
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Updates classes on form items in the Style Manual mailchimp signup form.
 *
 **/

function dta_gov_au_form_mailchimp_signup_subscribe_block_sign_up_for_style_manual_updates_form_alter(&$form, &$form_state, $form_id) {
  $form['mergevars']['EMAIL']['#attributes']['class'] = ['au-text-input--block', 'empty-required'];
  $form['mergevars']['FNAME']['#attributes']['class'] = ['au-text-input--block', 'empty-required'];
  $form['mergevars']['ORG']['#attributes']['class'] = ['au-text-input--block'];
  $form['mergevars']['LNAME']['#attributes']['class'] = ['au-text-input--block'];
  $form['mergevars']['EMAIL']['#title'] = t('Email address');
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Updates classes on form items in the Style Manual mailchimp signup form in prod - Form Id is different.
 *
 **/

function dta_gov_au_form_mailchimp_signup_subscribe_block_sign_up_for_style_manual_updates_form_1_alter(&$form, &$form_state, $form_id) {
  $form['mergevars']['EMAIL']['#attributes']['class'] = ['au-text-input--block', 'empty-required'];
  $form['mergevars']['FNAME']['#attributes']['class'] = ['au-text-input--block', 'empty-required'];
  $form['mergevars']['ORG']['#attributes']['class'] = ['au-text-input--block'];
  $form['mergevars']['LNAME']['#attributes']['class'] = ['au-text-input--block'];
  $form['mergevars']['EMAIL']['#title'] = t('Email address');
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Updates classes on form items in the Digital Profession Stream mailchimp signup form.
 *
 **/

function dta_gov_au_form_mailchimp_signup_subscribe_block_digital_professional_stream_form_alter(&$form, &$form_state, $form_id) {
  $form['mergevars']['EMAIL']['#attributes']['class'] = ['empty-required'];
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Updates classes on form items in the Observatory mailchimp signup form.
 *
 **/

function dta_gov_au_form_mailchimp_signup_subscribe_block_signup_for_observatory_updates_form_1_alter(&$form, &$form_state, $form_id) {
  $form['mergevars']['EMAIL']['#attributes']['class'] = ['empty-required'];
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Updates classes on form items in the Digital summit mailchimp signup form.
 *
 **/

function dta_gov_au_form_mailchimp_signup_subscribe_block_digital_summit_signup_form_alter(&$form, &$form_state, $form_id) {
  $form['mergevars']['EMAIL']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['FNAME']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['LNAME']['#attributes']['class'] = ['empty-required'];
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Updates classes on form items in the Coaching women in digital mailchimp signup form.
 *
 **/

function dta_gov_au_form_mailchimp_signup_subscribe_block__women_in_digital_eoi_form_alter(&$form, &$form_state, $form_id) {
  $form['mergevars']['EMAIL']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['LNAME']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['FNAME']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['ROLETITLE']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['LEVEL']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['AGENCY']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['MANAGER']['#attributes']['class'] = ['empty-required'];
  $form['mergevars']['GOAL']['#attributes']['class'] = ['empty-required'];


}

/**
 *
 * Implements hook_theme_suggestions_HOOK_alter
 *
 * This adds theme hooks to various elements.
 *
 **/

 /* Adds 'item_list__' suggestion to list items in views. */
 function dta_gov_au_theme_suggestions_item_list_alter(&$suggestions, &$vars) {
   $request['view_id'] = \Drupal::routeMatch()->getRouteObject()->getDefault('view_id');
   $request['display_id'] = \Drupal::routeMatch()->getRouteObject()->getDefault('display_id');
   if(!empty($request)) {
     $suggestions[] = 'item_list__' . $request['view_id'];
     $suggestions[] = 'item_list__' . $request['display_id'];
     $suggestions[] = 'item_list__' . $request['view_id'] . '__' . $request['display_id'];
   }
 }

/**
 * Implements hook_preprocess_block().
 */
function dta_gov_au_preprocess_block(&$variables) {
  if(isset($variables['elements']['#id'])) {
    $variables['content']['#attributes']['block'] = $variables['elements']['#id'];
  }
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function dta_gov_au_theme_suggestions_menu_alter(array &$suggestions, array $variables) {
  // Remove the block and replace dashes with underscores in the block ID to
  // use for the hook name.
  if (isset($variables['attributes']['block'])) {
    $hook = str_replace(array('block-', '-'), array('', '_'), $variables['attributes']['block']);
    $block = \Drupal\block\Entity\Block::load($hook);
    $region = $block->getRegion();
    $suggestions[] = $variables['theme_hook_original'] . '__' . $region;
    $suggestions[] = $variables['theme_hook_original'] . '__' . $hook;
    $suggestions[] = $variables['theme_hook_original'] . '__' . $region . '__' . $hook;
  }
}

function dta_gov_au_theme_suggestions_page_alter(array &$suggestions, array $variables) {
  // Add some more theme suggestions to the page template.
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $title = str_replace('-', '_', \Drupal\Component\Utility\Html::cleanCssIdentifier($node->getTitle()));
    $type = $node->bundle();
    $suggestions[] = $variables['theme_hook_original'] . '__' . $type;
    $suggestions[] = $variables['theme_hook_original'] . '__' . \Drupal\Component\Utility\Unicode::strtolower($title);
    $suggestions[] = $variables['theme_hook_original'] . '__' . $type . '__' . \Drupal\Component\Utility\Unicode::strtolower($title);
  }
}

function dta_gov_au_theme_suggestions_file_link_alter(array &$suggestions, array $variables) {
  // Add some more theme suggestions to the file link template.
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $title = str_replace('-', '_', \Drupal\Component\Utility\Html::cleanCssIdentifier($node->getTitle()));
    $type = $node->bundle();
    $suggestions[] = $variables['theme_hook_original'] . '__' . $type;
    $suggestions[] = $variables['theme_hook_original'] . '__' . \Drupal\Component\Utility\Unicode::strtolower($title);
    $suggestions[] = $variables['theme_hook_original'] . '__' . $type . '__' . \Drupal\Component\Utility\Unicode::strtolower($title);
  }
}

/**
 * Implements HOOK_preprocess_file_link()
 */

function dta_gov_au_preprocess_file_link(&$variables) {
  // Adds useful variables to the file_link template.
  if (isset($variables['file'])) {
    $variables['file_attributes'] = [
      'name' => $variables['file']
        ->getFilename(),
      'size_formatted' => format_size($variables['file']
        ->getSize()),
      'type' => pathinfo($variables['file']
        ->getFilename(), PATHINFO_EXTENSION),
      'url' => file_create_url($variables['file']
        ->getFileUri()),
    ];
  }
}

function dta_gov_au_theme_suggestions_region_alter(array &$suggestions, array $variables) {
  // Add some more theme suggestions to the page template.
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $title = str_replace('-', '_', \Drupal\Component\Utility\Html::cleanCssIdentifier($node->getTitle()));
    $type = $node->bundle();
    $suggestions[] = $variables['theme_hook_original'] . '__' . $type;
    $suggestions[] = $variables['theme_hook_original'] . '__' . \Drupal\Component\Utility\Unicode::strtolower($title);
    $suggestions[] = $variables['theme_hook_original'] . '__' . $type . '__' . \Drupal\Component\Utility\Unicode::strtolower($title);
  }
}

function dta_gov_au_theme_suggestions_views_view_list_alter(array &$suggestions, array $variables) {
  // Adds theme suggestions to the views list template.
  $id = $variables['view']->id();
  $display = $variables['view']->current_display;

  $suggestions[] = $variables['theme_hook_original'] . '__' . (string) $id;
  $suggestions[] = $variables['theme_hook_original'] . '__' . (string) $display;
  $suggestions[] = $variables['theme_hook_original'] . '__' . (string) $id . '__' . (string) $display;
}

function dta_gov_au_theme_suggestions_views_view_grouping_alter(array &$suggestions, array $variables) {
  // Adds theme suggestions to the views grouping template.
  $suggestions[] = $variables['theme_hook_original'] . '__' . $variables['view']->id();
  $suggestions[] = $variables['theme_hook_original'] . '__grouping_level_' . $variables['grouping_level'];
  $suggestions[] = $variables['theme_hook_original'] . '__' . $variables['view']->id() . '__grouping_level_' . $variables['grouping_level'];
}

function dta_gov_au_theme_suggestions_views_view_unformatted_alter(array &$suggestions, array $variables) {
  // Add a theme suggestion to the views unformatted template.
  $suggestions[] = $variables['theme_hook_original'] . '__' . $variables['view']->id();
}

function dta_gov_au_theme_suggestions_views_exposed_form_alter(array &$suggestions, array $variables) {
  // Add a theme suggestion to the views exposed form template.
  $suggestions[] = $variables['theme_hook_original'] . '__' . str_replace('-','_', $variables['form']['#id']);
}

/**
 * Implements hook_theme_suggestions_HOOK_alter()
 * Create theme suggestions for user profile templates
**/
function dta_gov_au_theme_suggestions_user_alter(&$suggestions, array $variables) {
  if(isset($variables['elements']['#view_mode'])) {
    $viewmode = $variables['elements']['#view_mode'];
    $suggestions[] = $variables['theme_hook_original'] . '__' . str_replace('-','_', $viewmode);
  }

  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    if(null !== $node->bundle()) {
      $content_type = $node->bundle();
      $suggestions[] = $variables['theme_hook_original'] . '__' . str_replace('-','_', $content_type);
      if(isset($viewmode)) {
        $suggestions[] = $variables['theme_hook_original'] . '__' . str_replace('-','_', $content_type) . '__' . str_replace('-','_', $viewmode);
      }
    }
  }
}

/**
* Implements hook_preprocess_comment
*/
function dta_gov_au_preprocess_comment(&$variables) {

  $comment = $variables['elements']['#comment'];
  $account = $comment->getOwner();

  $username = [
    '#theme' => 'username__unlinked',
    '#account' => $account,
  ];

  $variables['author'] = \Drupal::service('renderer')->render($username);

  $comment_title = $comment->getSubject();

  $date = $variables['comment']->getCreatedTime();
  $variables['created'] = \Drupal::service('date.formatter')->formatInterval(REQUEST_TIME - $date);

  $datetime = new FormattableMarkup(
    '<span class="comments-ago">@datetime ago</span>', [
      '@datetime' => $variables['created'],
    ]
  );

  $permalink_text = new FormattableMarkup(
    '<span class="sr-only"> Permalink to @comment_title</span>', [
      '@comment_title' => $comment_title,
    ]
  );

  $variables['submitted'] = t('Commented @datetime', array('@datetime' => $datetime));

  $variables['permalink'] = Link::fromTextAndUrl(t('#@permalink_text', [
    '@permalink_text' => $permalink_text,
  ]), $comment->permalink());

  if (!empty($variables['parent'])) {
    $variables['parent'] = t('Replied @datetime to @parent_title by @parent_username', [
      '@parent_username' => $variables['parent_author'],
      '@parent_title' => $variables['parent_title'],
      '@datetime' => $datetime
    ]);
    unset($variables['submitted']);
  }
}

/**
* Implements hook_preprocess_book_navigation()
*
* Add some useful variables to the book navigation template.
*/

function dta_gov_au_preprocess_book_navigation(&$variables) {

  $book_id = $variables['book_id'];

  // Get the book ID and turn it into a URL.
  $book_root_url = \Drupal::url('entity.node.canonical', [
    'node' => $book_id,
  ]);

  // Get the book title from the book ID.
  $book_root_title = \Drupal\node\Entity\Node::load($book_id)->getTitle();

  $variables['book_root_url'] = $book_root_url;
  $variables['book_root_title'] = $book_root_title;
}

/**
* Implements hook_preprocess_HOOK()
*
* Adds a class to the media embed field to create responsive video.
*/

function dta_gov_au_preprocess_field__media__remote_video(&$variables) {
  $variables['items'][0]['content']['#attributes']['class'][] = 'au-responsive-media-vid__item';
}