blockManager = $block_manager;
$this->routeMatch = $route_match;
$this->localActionManager = $local_action_manager;
$this->contextRepository = $context_repository;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('plugin.manager.block'),
$container->get('context.repository'),
$container->get('current_route_match'),
$container->get('plugin.manager.menu.local_action')
);
}
/**
* Shows a list of blocks that can be added to a theme's layout.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* The current request.
* @param string $theme
* Theme key of the block list.
*
* @return array
* A render array as expected by the renderer.
*/
public function listBlocks(Request $request, $theme) {
// Since modals do not render any other part of the page, we need to render
// them manually as part of this listing.
if ($request->query->get(MainContentViewSubscriber::WRAPPER_FORMAT) === 'drupal_modal') {
$build['local_actions'] = $this->buildLocalActions();
}
$headers = [
['data' => $this->t('Block')],
['data' => $this->t('Category')],
['data' => $this->t('Operations')],
];
$region = $request->query->get('region');
$weight = $request->query->get('weight');
// Only add blocks which work without any available context.
$definitions = $this->blockManager->getFilteredDefinitions('block_ui', $this->contextRepository->getAvailableContexts(), [
'theme' => $theme,
'region' => $region,
]);
// Order by category, and then by admin label.
$definitions = $this->blockManager->getSortedDefinitions($definitions);
// Filter out definitions that are not intended to be placed by the UI.
$definitions = array_filter($definitions, function (array $definition) {
return empty($definition['_block_ui_hidden']);
});
$rows = [];
foreach ($definitions as $plugin_id => $plugin_definition) {
$row = [];
$row['title']['data'] = [
'#type' => 'inline_template',
'#template' => '{{ label }}
',
'#context' => [
'label' => $plugin_definition['admin_label'],
],
];
$row['category']['data'] = $plugin_definition['category'];
$links['add'] = [
'title' => $this->t('Place block'),
'url' => Url::fromRoute('block.admin_add', ['plugin_id' => $plugin_id, 'theme' => $theme]),
'attributes' => [
'class' => ['use-ajax'],
'data-dialog-type' => 'modal',
'data-dialog-options' => Json::encode([
'width' => 700,
]),
],
];
if ($region) {
$links['add']['query']['region'] = $region;
}
if (isset($weight)) {
$links['add']['query']['weight'] = $weight;
}
$row['operations']['data'] = [
'#type' => 'operations',
'#links' => $links,
];
$rows[] = $row;
}
$build['#attached']['library'][] = 'block/drupal.block.admin';
$build['filter'] = [
'#type' => 'search',
'#title' => $this->t('Filter'),
'#title_display' => 'invisible',
'#size' => 30,
'#placeholder' => $this->t('Filter by block name'),
'#attributes' => [
'class' => ['block-filter-text'],
'data-element' => '.block-add-table',
'title' => $this->t('Enter a part of the block name to filter by.'),
],
];
$build['blocks'] = [
'#type' => 'table',
'#header' => $headers,
'#rows' => $rows,
'#empty' => $this->t('No blocks available.'),
'#attributes' => [
'class' => ['block-add-table'],
],
];
return $build;
}
/**
* Builds the local actions for this listing.
*
* @return array
* An array of local actions for this listing.
*/
protected function buildLocalActions() {
$build = $this->localActionManager->getActionsForRoute($this->routeMatch->getRouteName());
// Without this workaround, the action links will be rendered as with
// no wrapping element.
if (!empty($build)) {
$build['#prefix'] = '';
}
return $build;
}
}