drupal/core/themes/seven/seven.theme

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<?php
/**
* @file
* Functions to support theming in the Seven theme.
*/
use Drupal\Component\Utility\Xss;
use Drupal\Component\Utility\String;
use Drupal\Core\Form\FormStateInterface;
/**
* Implements hook_preprocess_HOOK() for page templates.
*/
function seven_preprocess_page(&$variables) {
/** @var \Drupal\Core\Page\HtmlPage $page_object */
$page_object = $variables['page']['#page'];
$attributes = $page_object->getBodyAttributes();
$classes = $attributes['class'];
// Add information about the number of sidebars.
if (!empty($variables['page']['sidebar_first'])) {
$classes[] = 'layout-one-sidebar';
$classes[] = 'layout-sidebar-first';
}
else {
$classes[] = 'layout-no-sidebars';
}
$attributes['class'] = $classes;
$variables['primary_local_tasks'] = $variables['tabs'];
unset($variables['primary_local_tasks']['#secondary']);
$variables['secondary_local_tasks'] = array(
'#theme' => 'menu_local_tasks',
'#secondary' => isset($variables['tabs']['#secondary']) ? $variables['tabs']['#secondary'] : '',
);
}
/**
* Overrides theme_menu_local_tasks().
*
* Returns HTML for primary and secondary local tasks.
*/
function seven_menu_local_tasks(&$variables) {
$output = '';
if (!empty($variables['primary'])) {
$variables['primary']['#attached'] = array(
'library' => array(
'seven/drupal.nav-tabs',
),
);
$variables['primary']['#prefix'] = '<h2 id="primary-tabs-title" class="visually-hidden">' . t('Primary tabs') . '</h2>';
$variables['primary']['#prefix'] .= '<nav role="navigation" class="is-horizontal is-collapsible" aria-labelledby="primary-tabs-title" data-drupal-nav-tabs>';
$variables['primary']['#prefix'] .= '<button class="reset-appearance tabs__tab tabs__trigger" aria-label="Primary tabs display toggle" data-drupal-nav-tabs-trigger>&bull;&bull;&bull;</button>';
$variables['primary']['#prefix'] .= '<ul class="tabs primary clearfix" data-drupal-nav-tabs-target>';
$variables['primary']['#suffix'] = '</ul>';
$variables['primary']['#suffix'] .= '</nav>';
$output .= drupal_render($variables['primary']);
}
if (!empty($variables['secondary'])) {
$variables['secondary']['#attached'] = array(
'library' => array(
'seven/drupal.nav-tabs',
),
);
$variables['secondary']['#prefix'] = '<h2 id="secondary-tabs-title" class="visually-hidden">' . t('Secondary tabs') . '</h2>';
$variables['secondary']['#prefix'] .= '<nav role="navigation" class="is-horizontal" aria-labelledby="secondary-tabs-title" data-drupal-nav-tabs>';
$variables['secondary']['#prefix'] .= '<ul class="tabs secondary clearfix">';
$variables['secondary']['#suffix'] = '</ul>';
$variables['secondary']['#suffix'] .= '</nav>';
$output .= drupal_render($variables['secondary']);
}
return $output;
}
/**
* Overrides theme_menu_local_task().
*
* Returns HTML for a local task.
*/
function seven_menu_local_task($variables) {
$link = $variables['element']['#link'];
$link += array(
'localized_options' => array(),
);
$link_text = $link['title'];
if (!empty($variables['element']['#active'])) {
// Add text to indicate active tab for non-visual users.
$active = '<span class="visually-hidden">' . t('(active tab)') . '</span>';
// If the link does not contain HTML already, String::checkPlain() it now.
// After we set 'html'=TRUE the link will not be sanitized by l().
if (empty($link['localized_options']['html'])) {
$link['title'] = String::checkPlain($link['title']);
}
$link['localized_options']['html'] = TRUE;
$link_text = t('!local-task-title!active', array('!local-task-title' => $link['title'], '!active' => $active));
}
if (!empty($link['href'])) {
// @todo - remove this once all pages are converted to routes.
$a_tag = l($link_text, $link['href'], $link['localized_options']);
}
else {
$a_tag = \Drupal::l($link_text, $link['route_name'], $link['route_parameters'], $link['localized_options']);
}
return '<li' . (!empty($variables['element']['#active']) ? ' class="tabs__tab active"' : ' class="tabs__tab"') . '>' . $a_tag . '</li>';
}
/**
* Implements hook_preprocess_HOOK() for list of available node type templates.
*/
function seven_preprocess_node_add_list(&$variables) {
if (!empty($variables['content'])) {
foreach ($variables['content'] as $type) {
$variables['types'][$type->type]['label'] = String::checkPlain($type->name);
$variables['types'][$type->type]['description'] = Xss::filterAdmin($type->description);
$variables['types'][$type->type]['url'] = \Drupal::url('node.add', array('node_type' => $type->type));
}
}
}
/**
* Implements hook_preprocess_HOOK() for block content add list templates.
*
* Displays the list of available custom block types for creation, adding
* separate variables for the label, description, and url.
*/
function seven_preprocess_block_content_add_list(&$variables) {
if (!empty($variables['content'])) {
foreach ($variables['content'] as $type) {
$variables['types'][$type->id()]['label'] = String::checkPlain($type->label());
$variables['types'][$type->id()]['description'] = Xss::filterAdmin($type->description);
$options = array('query' => \Drupal::request()->query->all());
$variables['types'][$type->id()]['url'] = \Drupal::url('block_content.add_form', array('block_content_type' => $type->id()), $options);
}
}
}
/**
* Implements hook_preprocess_HOOK() for block admin page templates.
*/
function seven_preprocess_admin_block_content(&$variables) {
if (!empty($variables['content'])) {
foreach ($variables['content'] as $key => $item) {
$variables['content'][$key]['url'] = $item['url']->toString();
}
}
}
/**
* Implements hook_preprocess_HOOK() for tablesort indicator templates.
*
* Uses Seven's image versions, so the arrows show up as black and not gray on
* gray.
*/
function seven_preprocess_tablesort_indicator(&$variables) {
$theme_path = drupal_get_path('theme', 'seven');
$variables['arrow_asc'] = file_create_url($theme_path . '/images/arrow-asc.png');
$variables['arrow_desc'] = file_create_url($theme_path . '/images/arrow-desc.png');
}
/**
* Overrides theme_menu_local_action().
*/
function seven_menu_local_action($variables) {
$link = $variables['element']['#link'];
$link += array(
'href' => '',
'localized_options' => array(),
'route_parameters' => array(),
);
$link['localized_options']['attributes']['class'][] = 'button';
$link['localized_options']['attributes']['class'][] = 'button--primary';
$link['localized_options']['attributes']['class'][] = 'button--small';
// @todo Replace with a generalized solution for icons.
// See http://drupal.org/node/1849712
$link['localized_options']['attributes']['class'][] = 'button-action';
// We require Modernizr's touch test for button styling.
$libraries = array(
'#attached' => array(
'library' => array(
'core/modernizr',
),
),
);
drupal_render($libraries);
$output = '<li>';
// @todo Remove this check and the call to l() when all pages are converted to
// routes.
// @todo Figure out how to support local actions without a href properly.
if ($link['href'] === '' && !empty($link['route_name'])) {
$output .= Drupal::l($link['title'], $link['route_name'], $link['route_parameters'], $link['localized_options']);
}
else {
$output .= l($link['title'], $link['href'], $link['localized_options']);
}
$output .= "</li>";
return $output;
}
/**
* Implements hook_element_info_alter().
*/
function seven_element_info_alter(&$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) {
$page_object = $variables['page']['#page'];
$attributes = $page_object->getHtmlAttributes();
$classes = $attributes['class'];
$classes[] = 'install-background';
$attributes['class'] = $classes;
// Normally we could attach libraries via hook_page_alter(), but when the
// database is inactive it's not called so we add them here.
$libraries = array(
'#attached' => array(
'library' => array(
'seven/maintenance-page',
'seven/install-page',
),
),
);
drupal_render($libraries);
}
/**
* Implements hook_preprocess_maintenance_page().
*/
function seven_preprocess_maintenance_page(&$variables) {
$page_object = $variables['page']['#page'];
$attributes = $page_object->getHtmlAttributes();
$classes = $attributes['class'];
$classes[] = 'maintenance-background';
$attributes['class'] = $classes;
// // Normally we could attach libraries via hook_page_alter(), but when the
// // database is inactive it's not called so we add them here.
$libraries = array(
'#attached' => array(
'library' => array(
'seven/maintenance-page',
),
),
);
drupal_render($libraries);
}
/**
* Implements hook_form_BASE_FORM_ID_alter().
*
* 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'] = array('node_edit_form');
$form['#attached']['css'][] = drupal_get_path('module', 'node') . '/css/node.module.css';
$form['advanced']['#type'] = 'container';
$is_new = !$node->isNew() ? format_date($node->getChangedTime(), 'short') : t('Not saved yet');
$form['meta'] = array(
'#attributes' => array('class' => array('entity-meta-header')),
'#type' => 'container',
'#group' => 'advanced',
'#weight' => -100,
'published' => array(
'#type' => 'item',
'#wrapper_attributes' => array('class' => array('published')),
'#markup' => $node->isPublished() ? t('Published') : t('Not published'),
'#access' => !$node->isNew(),
),
'changed' => array(
'#type' => 'item',
'#wrapper_attributes' => array('class' => array('changed', 'container-inline')),
'#markup' => '<h4 class="label inline">' . t('Last saved') . '</h4> ' . $is_new,
),
'author' => array(
'#type' => 'item',
'#wrapper_attributes' => array('class' => array('author', 'container-inline')),
'#markup' => '<h4 class="label inline">' . t('Author') . '</h4> ' . $node->getOwner()->getUsername(),
),
);
$form['revision_information']['#type'] = 'container';
$form['revision_information']['#group'] = 'meta';
}