public function UiTabs::render in Quick Tabs 8.3

Return a render array for the whole Quick Tabs instance.

Return value

array A render array.

Overrides TabRendererBase::render

File

quicktabs_jqueryui/src/Plugin/TabRenderer/UiTabs.php, line 23

Class

UiTabs

Provides a 'ui tabs' tab renderer.

Namespace

Drupal\quicktabs_jqueryui\Plugin\TabRenderer

Code

public function render(QuickTabsInstance $instance) {
  $qt_id = $instance
    ->id();
  $type = \Drupal::service('plugin.manager.tab_type');

  // The render array used to build the block.
  $build = [];
  $build['pages'] = [];

  // Pages of content that will be shown or hidden.
  $tab_pages = [];

  // Tabs used to show/hide content.
  $titles = [];
  foreach ($instance
    ->getConfigurationData() as $index => $tab) {
    $object = $type
      ->createInstance($tab['type']);
    $render = $object
      ->render($tab);

    // If user wants to hide empty tabs and there is no content
    // then skip to next tab.
    if ($instance
      ->getHideEmptyTabs() && empty($render)) {
      continue;
    }
    $tab_num = $index + 1;
    $attributes = new Attribute([
      'id' => 'qt-' . $qt_id . '-ui-tabs' . $tab_num,
    ]);
    if (!empty($tab['content'][$tab['type']]['options']['display_title']) && !empty($tab['content'][$tab['type']]['options']['block_title'])) {
      $build['pages'][$index]['#title'] = $tab['content'][$tab['type']]['options']['block_title'];
    }
    $build['pages'][$index]['#block'] = $render;
    $build['pages'][$index]['#prefix'] = '<div ' . $attributes . '>';
    $build['pages'][$index]['#suffix'] = '</div>';
    $build['pages'][$index]['#theme'] = 'quicktabs_block_content';
    $href = '#qt-' . $qt_id . '-ui-tabs' . $tab_num;
    $titles[] = [
      '#markup' => '<a href="' . $href . '">' . new TranslatableMarkup($tab['title']) . '</a>',
    ];
    $tab_pages[] = $tab;
  }

  // Add a wrapper.
  $build['#theme_wrappers'] = [
    'container' => [
      '#attributes' => [
        'class' => [
          'quicktabs-ui-wrapper',
        ],
        'id' => 'quicktabs-' . $qt_id,
      ],
    ],
  ];
  $tabs = [
    '#theme' => 'item_list',
    '#items' => $titles,
  ];

  // Add tabs to the build.
  array_unshift($build, $tabs);

  // Attach js.
  $default_tab = $instance
    ->getDefaultTab();
  $build['#attached'] = [
    'library' => [
      'quicktabs_jqueryui/quicktabs.ui',
    ],
    'drupalSettings' => [
      'quicktabs' => [
        'qt_' . $qt_id => [
          'tabs' => $tab_pages,
          'default_tab' => $default_tab,
        ],
      ],
    ],
  ];
  return $build;
}