public BlockLibraryController::listBlocks(Request $request, $theme)
Shows a list of blocks that can be added to a theme's layout.
Parameters
\Symfony\Component\HttpFoundation\Request $request: The current request.
string $theme: Theme key of the block list.
Return value
array A render array as expected by the renderer.
File
- core/modules/block/src/Controller/BlockLibraryController.php, line 91
Class
- BlockLibraryController
- Provides a list of block plugins to be added to the layout.
Namespace
Drupal\block\Controller
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | 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')], ]; // Only add blocks which work without any available context. $definitions = $this->blockManager->getDefinitionsForContexts($this->contextRepository->getAvailableContexts()); // Order by category, and then by admin label. $definitions = $this->blockManager->getSortedDefinitions($definitions); $region = $request->query->get('region'); $weight = $request->query->get('weight'); $rows = []; foreach ($definitions as $plugin_id => $plugin_definition) { $row = []; $row['title']['data'] = [ '#type' => 'inline_template', '#template' => '<div class="block-filter-text-source">{{ label }}</div>', '#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;} |
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