public function VariantPluginContentForm::buildForm in Page Manager 8.4

Same name and namespace in other branches

1. 8 page_manager_ui/src/Form/VariantPluginContentForm.php \Drupal\page_manager_ui\Form\VariantPluginContentForm::buildForm()

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form structure.

Overrides FormInterface::buildForm

File

page_manager_ui/src/Form/VariantPluginContentForm.php, line 75

Class

VariantPluginContentForm

Provides a form for editing a variant.

Namespace

Drupal\page_manager_ui\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $cached_values = $form_state
    ->getTemporaryValue('wizard');

  /** @var \Drupal\page_manager\Plugin\DisplayVariant\PageBlockDisplayVariant $variant_plugin */
  $variant_plugin = $cached_values['plugin'];

  // Store the block display plugin so we can get it in our dialogs.
  if (!empty($this
    ->getTempstore()
    ->get($variant_plugin
    ->id())['plugin'])) {
    $variant_plugin
      ->setConfiguration($this
      ->getTempstore()
      ->get($variant_plugin
      ->id())['plugin']
      ->getConfiguration());
    $form_state
      ->setTemporaryValue('wizard', $cached_values);
  }
  $context_definitions = [];
  foreach ($variant_plugin
    ->getContexts() as $context_name => $context) {
    $context_definitions[$context_name] = $context
      ->getContextDefinition();
  }
  $this
    ->getTempstore()
    ->set($variant_plugin
    ->id(), [
    'plugin' => $variant_plugin,
    'access' => $cached_values['access'],
    'contexts' => $context_definitions,
  ]);

  // Set up the attributes used by a modal to prevent duplication later.
  $attributes = $this
    ->getAjaxAttributes();
  $add_button_attributes = $this
    ->getAjaxButtonAttributes();
  if ($block_assignments = $variant_plugin
    ->getRegionAssignments()) {

    // Build a table of all blocks used by this variant.
    $form['add'] = [
      '#type' => 'link',
      '#title' => $this
        ->t('Add new block'),
      '#url' => Url::fromRoute('page_manager.block_display_select_block', [
        'block_display' => $variant_plugin
          ->id(),
        'destination' => $this
          ->getRequest()
          ->getRequestUri(),
      ]),
      '#attributes' => $add_button_attributes,
      '#attached' => [
        'library' => [
          'core/drupal.ajax',
        ],
      ],
    ];
    $form['blocks'] = [
      '#type' => 'table',
      '#header' => [
        $this
          ->t('Label'),
        $this
          ->t('Plugin ID'),
        $this
          ->t('Region'),
        $this
          ->t('Weight'),
        $this
          ->t('Operations'),
      ],
      '#empty' => $this
        ->t('There are no regions for blocks.'),
    ];

    // Loop through the blocks per region.
    foreach ($block_assignments as $region => $blocks) {

      // Add a section for each region and allow blocks to be dragged between
      // them.
      $form['blocks']['#tabledrag'][] = [
        'action' => 'match',
        'relationship' => 'sibling',
        'group' => 'block-region-select',
        'subgroup' => 'block-region-' . $region,
        'hidden' => FALSE,
      ];
      $form['blocks']['#tabledrag'][] = [
        'action' => 'order',
        'relationship' => 'sibling',
        'group' => 'block-weight',
        'subgroup' => 'block-weight-' . $region,
      ];
      $form['blocks'][$region] = [
        '#attributes' => [
          'class' => [
            'region-title',
            'region-title-' . $region,
          ],
          'no_striping' => TRUE,
        ],
      ];
      $form['blocks'][$region]['title'] = [
        '#markup' => $variant_plugin
          ->getRegionName($region),
        '#wrapper_attributes' => [
          'colspan' => 5,
        ],
      ];
      $form['blocks'][$region . '-message'] = [
        '#attributes' => [
          'class' => [
            'region-message',
            'region-' . $region . '-message',
            empty($blocks) ? 'region-empty' : 'region-populated',
          ],
        ],
      ];
      $form['blocks'][$region . '-message']['message'] = [
        '#markup' => '<em>' . $this
          ->t('No blocks in this region') . '</em>',
        '#wrapper_attributes' => [
          'colspan' => 5,
        ],
      ];

      /** @var \Drupal\Core\Block\BlockPluginInterface[] $blocks */
      foreach ($blocks as $block_id => $block) {
        $row = [
          '#attributes' => [
            'class' => [
              'draggable',
            ],
          ],
        ];
        $row['label']['#markup'] = $block
          ->label();
        $row['id']['#markup'] = $block
          ->getPluginId();

        // Allow the region to be changed for each block.
        $row['region'] = [
          '#title' => $this
            ->t('Region'),
          '#title_display' => 'invisible',
          '#type' => 'select',
          '#options' => $variant_plugin
            ->getRegionNames(),
          '#default_value' => $variant_plugin
            ->getRegionAssignment($block_id),
          '#attributes' => [
            'class' => [
              'block-region-select',
              'block-region-' . $region,
            ],
          ],
        ];

        // Allow the weight to be changed for each block.
        $configuration = $block
          ->getConfiguration();
        $row['weight'] = [
          '#type' => 'weight',
          '#default_value' => isset($configuration['weight']) ? $configuration['weight'] : 0,
          '#title' => $this
            ->t('Weight for @block block', [
            '@block' => $block
              ->label(),
          ]),
          '#title_display' => 'invisible',
          '#attributes' => [
            'class' => [
              'block-weight',
              'block-weight-' . $region,
            ],
          ],
        ];

        // Add the operation links.
        $operations = [];
        $operations['edit'] = [
          'title' => $this
            ->t('Edit'),
          'url' => Url::fromRoute('page_manager.block_display_edit_block', [
            'block_display' => $variant_plugin
              ->id(),
            'block_id' => $block_id,
            'destination' => $this
              ->getRequest()
              ->getRequestUri(),
          ]),
          'attributes' => $attributes,
        ];
        $operations['delete'] = [
          'title' => $this
            ->t('Delete'),
          'url' => Url::fromRoute('page_manager.block_display_delete_block', [
            'block_display' => $variant_plugin
              ->id(),
            'block_id' => $block_id,
            'destination' => $this
              ->getRequest()
              ->getRequestUri(),
          ]),
          'attributes' => $attributes,
        ];
        $row['operations'] = [
          '#type' => 'operations',
          '#links' => $operations,
        ];
        $form['blocks'][$block_id] = $row;
      }
    }
  }
  return $form;
}