/**
* {@inheritdoc}
*/
public function preRender(&$element, $rendering_object)
{
$element += array('#prefix' => '<div class=" ' . implode(' ', $this->getClasses()) . '">', '#suffix' => '</div>', '#tree' => TRUE, '#parents' => array($this->group->group_name), '#default_tab' => '');
if ($this->getSetting('id')) {
$element['#id'] = Html::getId($this->getSetting('id'));
}
// By default tabs don't have titles but you can override it in the theme.
if ($this->getLabel()) {
$element['#title'] = SafeMarkup::checkPlain($this->getLabel());
}
$form_state = new \Drupal\Core\Form\FormState();
if ($this->getSetting('direction') == 'vertical') {
$element += array('#type' => 'vertical_tabs', '#theme_wrappers' => array('vertical_tabs'));
$complete_form = array();
$element = \Drupal\Core\Render\Element\VerticalTabs::processVerticalTabs($element, $form_state, $complete_form);
} else {
$element += array('#type' => 'horizontal_tabs', '#theme_wrappers' => array('horizontal_tabs'));
$on_form = $this->context == 'form';
$element = \Drupal\field_group\Element\HorizontalTabs::processHorizontalTabs($element, $form_state, $on_form);
}
// Make sure the group has 1 child. This is needed to succeed at form_pre_render_vertical_tabs().
// Skipping this would force us to move all child groups to this array, making it an un-nestable.
$element['group']['#groups'][$this->group->group_name] = array(0 => array());
$element['group']['#groups'][$this->group->group_name]['#group_exists'] = TRUE;
// Search for a tab that was marked as open. First one wins.
foreach (\Drupal\Core\Render\Element::children($element) as $tab_name) {
if (!empty($element[$tab_name]['#open'])) {
$element[$this->group->group_name . '__active_tab']['#default_value'] = $tab_name;
break;
}
}
}
/**
* {@inheritdoc}
*/
public function preRender(&$element)
{
$element += array('#prefix' => '<div class="field-group-' . $this->group->format_type . '-wrapper ' . $this->group->classes . '">', '#suffix' => '</div>', '#tree' => TRUE, '#parents' => array($this->group->group_name), '#default_tab' => '');
$form_state = new \Drupal\Core\Form\FormState();
if ($this->getSetting('direction') == 'vertical') {
$element += array('#type' => 'vertical_tabs', '#theme_wrappers' => array('vertical_tabs'));
$complete_form = array();
$element = \Drupal\Core\Render\Element\VerticalTabs::processVerticalTabs($element, $form_state, $complete_form);
} else {
$element += array('#type' => 'horizontal_tabs', '#theme_wrappers' => array('horizontal_tabs'));
$on_form = $this->context == 'form';
$element = \Drupal\field_group\Element\HorizontalTabs::processHorizontalTabs($element, $form_state, $on_form);
}
// Make sure the group has 1 child. This is needed to succeed at form_pre_render_vertical_tabs().
// Skipping this would force us to move all child groups to this array, making it an un-nestable.
$element['group']['#groups'][$this->group->group_name] = array(0 => array());
$element['group']['#groups'][$this->group->group_name]['#group_exists'] = TRUE;
// By default tabs don't have titles but you can override it in the theme.
if ($this->getLabel()) {
$element['#title'] = SafeMarkup::checkPlain($this->getLabel());
}
}
/**
* Builds a renderable array for a field value.
*
* @param \Drupal\Core\Field\FieldItemListInterface $items
* The field values to be rendered.
* @param string $langcode
* The language that should be used to render the field.
*
* @return array
* A renderable array for $items, as an array of child elements keyed by
* consecutive numeric indexes starting from 0.
*/
public function viewElements(FieldItemListInterface $items, $langcode)
{
$type = $this->getSetting('type') . '_tabs';
$element = ['#parents' => [$type], '#type' => $type, '#title' => '', '#theme_wrappers' => [$type], '#default_tab' => ''];
foreach ($this->getEntitiesToView($items, $langcode) as $delta => $entity) {
$tab = ['#type' => 'details', '#title' => $entity->label(), '#description' => ''];
$view_builder = \Drupal::entityTypeManager()->getViewBuilder($entity->getEntityTypeId());
$tab[] = $view_builder->view($entity, $this->getSetting('view_mode'), $langcode);
$element[] = $tab;
}
$form_state = new FormState();
if ($this->getSetting('type') == 'vertical') {
$complete_form = [];
$element = VerticalTabs::processVerticalTabs($element, $form_state, $complete_form);
// Make sure the group has 1 child. This is needed to succeed at
// VerticalTabs::preRenderVerticalTabs(). Skipping this would force us to
// move all child groups to this array, making it an un-nestable.
$element['group']['#groups'][$type] = [0 => []];
$element['group']['#groups'][$type]['#group_exists'] = TRUE;
} else {
$element = HorizontalTabs::processHorizontalTabs($element, $form_state, FALSE);
}
return $element;
}
