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<?php
/**
* @file
* Functions to support theming in the Seven theme.
*/
use Drupal\Core\Form\FormStateInterface;
/**
* Implements hook_preprocess_HOOK() for HTML document templates.
*/
function seven_preprocess_html(&$variables) {
// If on a node add or edit page, add a node-layout class.
$path_args = explode('/', \Drupal::request()->getPathInfo());
if ($suggestions = theme_get_suggestions($path_args, 'page', '-')) {
foreach ($suggestions as $suggestion) {
if ($suggestion === 'page-node-edit' || strpos($suggestion, 'page-node-add') !== FALSE) {
$variables['attributes']['class'][] = 'node-form-layout';
}
}
}
}
/**
* Implements hook_pre_render_HOOK() for menu-local-tasks templates.
*
* Use preprocess hook to set #attached to child elements
* because they will be processed by Twig and drupal_render will
* be invoked.
*/
function seven_preprocess_menu_local_tasks(&$variables) {
if (!empty($variables['primary'])) {
$variables['primary']['#attached'] = [
'library' => [
'seven/drupal.nav-tabs',
],
];
}
elseif (!empty($variables['secondary'])) {
$variables['secondary']['#attached'] = [
'library' => [
'seven/drupal.nav-tabs',
],
];
}
}
/**
* Implements hook_preprocess_HOOK() for menu-local-task templates.
*/
function seven_preprocess_menu_local_task(&$variables) {
$variables['attributes']['class'][] = 'tabs__tab';
}
/**
* Implements hook_preprocess_HOOK() for list of available node type templates.
*/
function seven_preprocess_node_add_list(&$variables) {
if (!empty($variables['content'])) {
/** @var \Drupal\node\NodeTypeInterface $type */
foreach ($variables['content'] as $type) {
$variables['types'][$type->id()]['label'] = $type->label();
$variables['types'][$type->id()]['url'] = \Drupal::url('node.add', ['node_type' => $type->id()]);
}
}
}
/**
* Implements hook_preprocess_HOOK() for block content add list templates.
*
* Displays the list of available custom block types for creation, adding
* separate variables for the label and url.
*/
function seven_preprocess_block_content_add_list(&$variables) {
if (!empty($variables['content'])) {
foreach ($variables['content'] as $type) {
$variables['types'][$type->id()]['label'] = $type->label();
$options = ['query' => \Drupal::request()->query->all()];
$variables['types'][$type->id()]['url'] = \Drupal::url('block_content.add_form', ['block_content_type' => $type->id()], $options);
}
}
}
/**
* Implements hook_preprocess_block() for block content.
*
* Disables contextual links for all blocks.
*/
function seven_preprocess_block(&$variables) {
if (isset($variables['title_suffix']['contextual_links'])) {
unset($variables['title_suffix']['contextual_links']);
unset($variables['elements']['#contextual_links']);
$variables['attributes']['class'] = array_diff($variables['attributes']['class'], ['contextual-region']);
}
}
/**
* Implements hook_preprocess_HOOK() for block admin page templates.
*/
function seven_preprocess_admin_block_content(&$variables) {
if (!empty($variables['content'])) {
foreach ($variables['content'] as $key => $item) {
$variables['content'][$key]['url'] = $item['url']->toString();
}
}
}
/**
* Implements hook_preprocess_HOOK() for menu-local-action templates.
*/
function seven_preprocess_menu_local_action(array &$variables) {
$variables['link']['#options']['attributes']['class'][] = 'button--primary';
$variables['link']['#options']['attributes']['class'][] = 'button--small';
// We require Modernizr's touch test for button styling.
$variables['#attached']['library'][] = 'core/modernizr';
}
/**
* Implements hook_element_info_alter().
*/
function seven_element_info_alter(&$type) {
// We require Modernizr for button styling.
if (isset($type['button'])) {
$type['button']['#attached']['library'][] = 'core/modernizr';
}
}
/**
* Implements hook_preprocess_install_page().
*/
function seven_preprocess_install_page(&$variables) {
// Seven has custom styling for the install page.
$variables['#attached']['library'][] = 'seven/install-page';
}
/**
* Implements hook_preprocess_maintenance_page().
*/
function seven_preprocess_maintenance_page(&$variables) {
// Seven has custom styling for the maintenance page.
$variables['#attached']['library'][] = 'seven/maintenance-page';
}
/**
* Implements hook_form_BASE_FORM_ID_alter() for \Drupal\node\NodeForm.
*
* Changes vertical tabs to container and adds meta information.
*/
function seven_form_node_form_alter(&$form, FormStateInterface $form_state) {
/** @var \Drupal\node\NodeInterface $node */
$node = $form_state->getFormObject()->getEntity();
$form['#theme'] = ['node_edit_form'];
$form['#attached']['library'][] = 'seven/node-form';
$form['advanced']['#type'] = 'container';
$is_new = !$node->isNew() ? format_date($node->getChangedTime(), 'short') : t('Not saved yet');
$form['meta'] = [
'#attributes' => ['class' => ['entity-meta__header']],
'#type' => 'container',
'#group' => 'advanced',
'#weight' => -100,
'published' => [
'#type' => 'html_tag',
'#tag' => 'h3',
'#value' => $node->isPublished() ? t('Published') : t('Not published'),
'#access' => !$node->isNew(),
'#attributes' => [
'class' => ['entity-meta__title'],
],
],
'changed' => [
'#type' => 'item',
'#wrapper_attributes' => ['class' => ['entity-meta__last-saved', 'container-inline']],
'#markup' => '<h4 class="label inline">' . t('Last saved') . '</h4> ' . $is_new,
],
'author' => [
'#type' => 'item',
'#wrapper_attributes' => ['class' => ['author', 'container-inline']],
'#markup' => '<h4 class="label inline">' . t('Author') . '</h4> ' . $node->getOwner()->getUsername(),
],
];
$form['revision_information']['#type'] = 'container';
$form['revision_information']['#group'] = 'meta';
}