Tabs.php in Entity Browser 8

Namespace

Drupal\entity_browser\Plugin\EntityBrowser\WidgetSelector

File

src/Plugin/EntityBrowser/WidgetSelector/Tabs.php

<?php

namespace Drupal\entity_browser\Plugin\EntityBrowser\WidgetSelector;

use Drupal\entity_browser\WidgetSelectorBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Displays entity browser widgets as tabs.
 *
 * @EntityBrowserWidgetSelector(
 *   id = "tabs",
 *   label = @Translation("Tabs"),
 *   description = @Translation("Creates horizontal tabs on the top of the entity browser, each tab representing one available widget.")
 * )
 */
class Tabs extends WidgetSelectorBase {

  /**
   * {@inheritdoc}
   */
  public function getForm(array &$form = [], FormStateInterface &$form_state = NULL) {
    $element = [];

    /** @var \Drupal\entity_browser\EntityBrowserInterface $browser */
    $browser = $form_state
      ->getFormObject()
      ->getEntityBrowser();
    foreach ($this->widget_ids as $id => $label) {
      $name = 'tab_selector_' . $id;
      $element[$name] = [
        '#type' => 'button',
        '#attributes' => [
          'class' => [
            'tab',
          ],
        ],
        '#value' => $label,
        '#disabled' => $id == $this
          ->getDefaultWidget(),
        '#executes_submit_callback' => TRUE,
        '#limit_validation_errors' => [
          [
            $id,
          ],
        ],
        // #limit_validation_errors only takes effect if #submit is present.
        '#submit' => [],
        '#name' => $name,
        '#widget_id' => $id,
        '#access' => $browser
          ->getWidget($id)
          ->access(),
      ];
    }
    $element['#attached']['library'][] = 'entity_browser/tabs';
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function submit(array &$form, FormStateInterface $form_state) {
    if (($trigger = $form_state
      ->getTriggeringElement()) && strpos($trigger['#name'], 'tab_selector_') === 0) {
      if (!empty($this->widget_ids[$trigger['#widget_id']])) {
        return $trigger['#widget_id'];
      }
    }
  }

}

Classes

Name	Description
Tabs	Displays entity browser widgets as tabs.