/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state)
{
$form = parent::form($form, $form_state);
$menu_links_elements = $this->getMenuLinkElements($this->entity->getTargetMenu());
$layout_options = $this->getLayoutOptions();
$table_header = ['label' => $this->t('Label'), 'category' => $this->t('Category'), 'region' => $this->t('Region'), 'weight' => $this->t('Weight'), 'operations' => $this->t('Operations')];
$form['links'] = ['#type' => 'container', '#title' => $this->t('Menu links'), '#tree' => TRUE];
$blocks = $this->entity->getAllBlocksSortedByLink();
foreach ($menu_links_elements as $link_element_id => $link_element) {
// Replace any dots with a underscore since dots are not supported as
// keys in the configuration data.
$link_element_id = str_replace('.', '_', $link_element_id);
$link_layout = $this->entity->getLinkLayout($link_element_id);
$regions = $this->getLayoutRegions($link_layout);
$link_id = Html::getId($link_element_id);
$form['links'][$link_element_id] = ['#type' => 'fieldset', '#title' => $link_element->link->getTitle()];
$form['links'][$link_element_id]['layout'] = ['#type' => 'select', '#title' => $this->t('Layout'), '#options' => $layout_options, '#default_value' => $link_layout, '#ajax' => ['callback' => '::onLayoutSelect', 'wrapper' => "mega-menu-link-{$link_id}-blocks-wrapper"], '#attributes' => ['data-link-element-id' => $link_element_id]];
$form['links'][$link_element_id]['blocks'] = ['#prefix' => '<div id="mega-menu-link-' . $link_id . '-blocks-wrapper">', '#suffix' => '</div>', '#type' => 'table', '#header' => $table_header, '#empty' => $this->t('There are no regions for blocks.')];
// Add regions.
foreach ($regions as $region_key => $region_name) {
// Tabledrag stuff.
$form['links'][$link_element_id]['blocks']['#tabledrag'][] = ['action' => 'match', 'relationship' => 'sibling', 'group' => 'block-region-select', 'subgroup' => 'block-region-' . $region_key, 'hidden' => FALSE];
$form['links'][$link_element_id]['blocks']['#tabledrag'][] = ['action' => 'order', 'relationship' => 'sibling', 'group' => 'block-weight', 'subgroup' => 'block-weight-' . $region_key];
// Regions.
$form['links'][$link_element_id]['blocks'][$region_key] = ['#attributes' => ['class' => ['region-title', 'region-title-' . $region_key], 'no_striping' => TRUE]];
if ($region_key === MegaMenuInterface::NO_REGION) {
$form['links'][$link_element_id]['blocks'][$region_key]['title'] = ['#markup' => $region_name, '#wrapper_attributes' => ['colspan' => 5]];
} else {
$form['links'][$link_element_id]['blocks'][$region_key]['title'] = ['#theme_wrappers' => ['container' => ['#attributes' => ['class' => ['region-title__action']]]], '#prefix' => $region_name, '#type' => 'link', '#title' => $this->t('Place block <span class="visually-hidden">in the %region region</span>', ['%region' => $region_name]), '#url' => Url::fromRoute('mega_menu.block_library', ['mega_menu' => $this->entity->id()], ['query' => ['link' => $link_element_id, 'region' => $region_key]]), '#wrapper_attributes' => ['colspan' => 5], '#attributes' => ['class' => ['use-ajax', 'button', 'button--small'], 'data-dialog-type' => 'modal', 'data-dialog-options' => Json::encode(['width' => 700])]];
}
$blocks_by_region = isset($blocks[$link_element_id]) ? $blocks[$link_element_id]->getAllByRegion() : [];
$region_message_class = empty($blocks_by_region[$region_key]) ? 'region-empty' : 'region-populated';
$form['links'][$link_element_id]['blocks'][$region_key . '-message'] = ['#attributes' => ['class' => ['region-message', 'region-' . $region_key . '-message', $region_message_class]]];
$form['links'][$link_element_id]['blocks'][$region_key . '-message']['message'] = ['#markup' => '<em>' . $this->t('No blocks in this region') . '</em>', '#wrapper_attributes' => ['colspan' => 5]];
if (!isset($blocks_by_region[$region_key])) {
continue;
}
/** @var BlockPluginInterface $block */
foreach ($blocks_by_region[$region_key] as $block_id => $block) {
if (!isset($form['links'][$link_element_id])) {
continue;
}
$operations = ['edit' => ['title' => $this->t('Edit'), 'url' => Url::fromRoute('mega_menu.block_edit', ['mega_menu' => $this->entity->id(), 'block_id' => $block_id], ['query' => ['link' => $link_element_id, 'region' => $region_key]]), 'attributes' => ['class' => ['use-ajax', 'button', 'button--small'], 'data-dialog-type' => 'modal', 'data-dialog-options' => Json::encode(['width' => 700])]], 'delete' => ['title' => $this->t('Delete'), 'url' => Url::fromRoute('mega_menu.block_delete', ['mega_menu' => $this->entity->id(), 'block_id' => $block_id], ['query' => ['link' => $link_element_id]]), 'attributes' => ['class' => ['use-ajax', 'button', 'button--small'], 'data-dialog-type' => 'modal', 'data-dialog-options' => Json::encode(['width' => 700])]]];
$configuration = $block->getConfiguration();
$form['links'][$link_element_id]['blocks'][$block_id] = ['#attributes' => ['class' => ['draggable']], 'label' => ['#markup' => $block->label()], 'category' => ['#markup' => $block->getPluginDefinition()['category']], 'region' => ['#type' => 'select', '#title' => $this->t('Region for @block block', ['@block' => $block->label()]), '#title_display' => 'invisible', '#default_value' => $region_key, '#options' => $regions, '#attributes' => ['class' => ['block-region-select', 'block-region-' . $region_key]]], 'weight' => ['#type' => 'weight', '#default_value' => isset($configuration['weight']) ? $configuration['weight'] : 0, '#title' => $this->t('Weight for @block block', ['@block' => $block->label()]), '#title_display' => 'invisible', '#attributes' => ['class' => ['block-weight', 'block-weight-' . $configuration['region']]]], 'operations' => ['#type' => 'operations', '#links' => $operations]];
}
}
}
return $form;
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
parent::submitForm($form, $form_state);
$form_state->setRedirectUrl($this->entity->toUrl('edit-form'));
}
