class OverviewTerms in Drupal 8

Same name and namespace in other branches

9 core/modules/taxonomy/src/Form/OverviewTerms.php \Drupal\taxonomy\Form\OverviewTerms

Provides terms overview form for a taxonomy vocabulary.

@internal

Hierarchy

class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
- class \Drupal\taxonomy\Form\OverviewTerms uses DeprecatedServicePropertyTrait

Expanded class hierarchy of OverviewTerms

1 file declares its use of OverviewTerms

Overview.php in core/modules/forum/src/Form/Overview.php

File

core/modules/taxonomy/src/Form/OverviewTerms.php, line 24

Namespace

Drupal\taxonomy\Form

View source

class OverviewTerms extends FormBase {
  use DeprecatedServicePropertyTrait;

  /**
   * {@inheritdoc}
   */
  protected $deprecatedProperties = [
    'entityManager' => 'entity.manager',
  ];

  /**
   * The module handler service.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The term storage handler.
   *
   * @var \Drupal\taxonomy\TermStorageInterface
   */
  protected $storageController;

  /**
   * The term list builder.
   *
   * @var \Drupal\Core\Entity\EntityListBuilderInterface
   */
  protected $termListBuilder;

  /**
   * The renderer service.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * The entity repository.
   *
   * @var \Drupal\Core\Entity\EntityRepositoryInterface
   */
  protected $entityRepository;

  /**
   * The pager manager.
   *
   * @var \Drupal\Core\Pager\PagerManagerInterface
   */
  protected $pagerManager;

  /**
   * Constructs an OverviewTerms object.
   *
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler service.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager service.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer service.
   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
   *   The entity repository.
   * @param \Drupal\Core\Pager\PagerManagerInterface|null $pager_manager
   *   The pager manager.
   */
  public function __construct(ModuleHandlerInterface $module_handler, EntityTypeManagerInterface $entity_type_manager, RendererInterface $renderer = NULL, EntityRepositoryInterface $entity_repository = NULL, PagerManagerInterface $pager_manager = NULL) {
    $this->moduleHandler = $module_handler;
    $this->entityTypeManager = $entity_type_manager;
    $this->storageController = $entity_type_manager
      ->getStorage('taxonomy_term');
    $this->termListBuilder = $entity_type_manager
      ->getListBuilder('taxonomy_term');
    $this->renderer = $renderer ?: \Drupal::service('renderer');
    if (!$entity_repository) {
      @trigger_error('Calling OverviewTerms::__construct() with the $entity_repository argument is supported in drupal:8.7.0 and will be required before drupal:9.0.0. See https://www.drupal.org/node/2549139.', E_USER_DEPRECATED);
      $entity_repository = \Drupal::service('entity.repository');
    }
    $this->entityRepository = $entity_repository;
    if (!$pager_manager) {
      @trigger_error('Calling OverviewTerms::__construct() without the $pager_manager argument is deprecated in drupal:8.8.0 and the $pager_manager argument will be required in drupal:9.0.0. See https://www.drupal.org/node/2779457', E_USER_DEPRECATED);
      $pager_manager = \Drupal::service('pager.manager');
    }
    $this->pagerManager = $pager_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('module_handler'), $container
      ->get('entity_type.manager'), $container
      ->get('renderer'), $container
      ->get('entity.repository'), $container
      ->get('pager.manager'));
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'taxonomy_overview_terms';
  }

  /**
   * Form constructor.
   *
   * Display a tree of all the terms in a vocabulary, with options to edit
   * each one. The form is made drag and drop by the theme function.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   * @param \Drupal\taxonomy\VocabularyInterface $taxonomy_vocabulary
   *   The vocabulary to display the overview form for.
   *
   * @return array
   *   The form structure.
   */
  public function buildForm(array $form, FormStateInterface $form_state, VocabularyInterface $taxonomy_vocabulary = NULL) {
    $form_state
      ->set([
      'taxonomy',
      'vocabulary',
    ], $taxonomy_vocabulary);
    $vocabulary_hierarchy = $this->storageController
      ->getVocabularyHierarchyType($taxonomy_vocabulary
      ->id());
    $parent_fields = FALSE;
    $page = $this
      ->getRequest()->query
      ->get('page') ?: 0;

    // Number of terms per page.
    $page_increment = $this
      ->config('taxonomy.settings')
      ->get('terms_per_page_admin');

    // Elements shown on this page.
    $page_entries = 0;

    // Elements at the root level before this page.
    $before_entries = 0;

    // Elements at the root level after this page.
    $after_entries = 0;

    // Elements at the root level on this page.
    $root_entries = 0;

    // Terms from previous and next pages are shown if the term tree would have
    // been cut in the middle. Keep track of how many extra terms we show on
    // each page of terms.
    $back_step = NULL;
    $forward_step = 0;

    // An array of the terms to be displayed on this page.
    $current_page = [];
    $delta = 0;
    $term_deltas = [];
    $tree = $this->storageController
      ->loadTree($taxonomy_vocabulary
      ->id(), 0, NULL, TRUE);
    $tree_index = 0;
    do {

      // In case this tree is completely empty.
      if (empty($tree[$tree_index])) {
        break;
      }
      $delta++;

      // Count entries before the current page.
      if ($page && $page * $page_increment > $before_entries && !isset($back_step)) {
        $before_entries++;
        continue;
      }
      elseif ($page_entries > $page_increment && isset($complete_tree)) {
        $after_entries++;
        continue;
      }

      // Do not let a term start the page that is not at the root.
      $term = $tree[$tree_index];
      if (isset($term->depth) && $term->depth > 0 && !isset($back_step)) {
        $back_step = 0;
        while ($pterm = $tree[--$tree_index]) {
          $before_entries--;
          $back_step++;
          if ($pterm->depth == 0) {
            $tree_index--;

            // Jump back to the start of the root level parent.
            continue 2;
          }
        }
      }
      $back_step = isset($back_step) ? $back_step : 0;

      // Continue rendering the tree until we reach the a new root item.
      if ($page_entries >= $page_increment + $back_step + 1 && $term->depth == 0 && $root_entries > 1) {
        $complete_tree = TRUE;

        // This new item at the root level is the first item on the next page.
        $after_entries++;
        continue;
      }
      if ($page_entries >= $page_increment + $back_step) {
        $forward_step++;
      }

      // Finally, if we've gotten down this far, we're rendering a term on this
      // page.
      $page_entries++;
      $term_deltas[$term
        ->id()] = isset($term_deltas[$term
        ->id()]) ? $term_deltas[$term
        ->id()] + 1 : 0;
      $key = 'tid:' . $term
        ->id() . ':' . $term_deltas[$term
        ->id()];

      // Keep track of the first term displayed on this page.
      if ($page_entries == 1) {
        $form['#first_tid'] = $term
          ->id();
      }

      // Keep a variable to make sure at least 2 root elements are displayed.
      if ($term->parents[0] == 0) {
        $root_entries++;
      }
      $current_page[$key] = $term;
    } while (isset($tree[++$tree_index]));

    // Because we didn't use a pager query, set the necessary pager variables.
    $total_entries = $before_entries + $page_entries + $after_entries;
    $this->pagerManager
      ->createPager($total_entries, $page_increment);

    // If this form was already submitted once, it's probably hit a validation
    // error. Ensure the form is rebuilt in the same order as the user
    // submitted.
    $user_input = $form_state
      ->getUserInput();
    if (!empty($user_input)) {

      // Get the POST order.
      $order = array_flip(array_keys($user_input['terms']));

      // Update our form with the new order.
      $current_page = array_merge($order, $current_page);
      foreach ($current_page as $key => $term) {

        // Verify this is a term for the current page and set at the current
        // depth.
        if (is_array($user_input['terms'][$key]) && is_numeric($user_input['terms'][$key]['term']['tid'])) {
          $current_page[$key]->depth = $user_input['terms'][$key]['term']['depth'];
        }
        else {
          unset($current_page[$key]);
        }
      }
    }
    $args = [
      '%capital_name' => Unicode::ucfirst($taxonomy_vocabulary
        ->label()),
      '%name' => $taxonomy_vocabulary
        ->label(),
    ];
    if ($this
      ->currentUser()
      ->hasPermission('administer taxonomy') || $this
      ->currentUser()
      ->hasPermission('edit terms in ' . $taxonomy_vocabulary
      ->id())) {
      switch ($vocabulary_hierarchy) {
        case VocabularyInterface::HIERARCHY_DISABLED:
          $help_message = $this
            ->t('You can reorganize the terms in %capital_name using their drag-and-drop handles, and group terms under a parent term by sliding them under and to the right of the parent.', $args);
          break;
        case VocabularyInterface::HIERARCHY_SINGLE:
          $help_message = $this
            ->t('%capital_name contains terms grouped under parent terms. You can reorganize the terms in %capital_name using their drag-and-drop handles.', $args);
          break;
        case VocabularyInterface::HIERARCHY_MULTIPLE:
          $help_message = $this
            ->t('%capital_name contains terms with multiple parents. Drag and drop of terms with multiple parents is not supported, but you can re-enable drag-and-drop support by editing each term to include only a single parent.', $args);
          break;
      }
    }
    else {
      switch ($vocabulary_hierarchy) {
        case VocabularyInterface::HIERARCHY_DISABLED:
          $help_message = $this
            ->t('%capital_name contains the following terms.', $args);
          break;
        case VocabularyInterface::HIERARCHY_SINGLE:
          $help_message = $this
            ->t('%capital_name contains terms grouped under parent terms', $args);
          break;
        case VocabularyInterface::HIERARCHY_MULTIPLE:
          $help_message = $this
            ->t('%capital_name contains terms with multiple parents.', $args);
          break;
      }
    }

    // Get the IDs of the terms edited on the current page which have pending
    // revisions.
    $edited_term_ids = array_map(function ($item) {
      return $item
        ->id();
    }, $current_page);
    $pending_term_ids = array_intersect($this->storageController
      ->getTermIdsWithPendingRevisions(), $edited_term_ids);
    if ($pending_term_ids) {
      $help_message = $this
        ->formatPlural(count($pending_term_ids), '%capital_name contains 1 term with pending revisions. Drag and drop of terms with pending revisions is not supported, but you can re-enable drag-and-drop support by getting each term to a published state.', '%capital_name contains @count terms with pending revisions. Drag and drop of terms with pending revisions is not supported, but you can re-enable drag-and-drop support by getting each term to a published state.', $args);
    }

    // Only allow access to change parents and reorder the tree if there are no
    // pending revisions and there are no terms with multiple parents.
    $update_tree_access = AccessResult::allowedIf(empty($pending_term_ids) && $vocabulary_hierarchy !== VocabularyInterface::HIERARCHY_MULTIPLE);
    $form['help'] = [
      '#type' => 'container',
      'message' => [
        '#markup' => $help_message,
      ],
    ];
    if (!$update_tree_access
      ->isAllowed()) {
      $form['help']['#attributes']['class'] = [
        'messages',
        'messages--warning',
      ];
    }
    $errors = $form_state
      ->getErrors();
    $row_position = 0;

    // Build the actual form.
    $access_control_handler = $this->entityTypeManager
      ->getAccessControlHandler('taxonomy_term');
    $create_access = $access_control_handler
      ->createAccess($taxonomy_vocabulary
      ->id(), NULL, [], TRUE);
    if ($create_access
      ->isAllowed()) {
      $empty = $this
        ->t('No terms available. <a href=":link">Add term</a>.', [
        ':link' => Url::fromRoute('entity.taxonomy_term.add_form', [
          'taxonomy_vocabulary' => $taxonomy_vocabulary
            ->id(),
        ])
          ->toString(),
      ]);
    }
    else {
      $empty = $this
        ->t('No terms available.');
    }
    $form['terms'] = [
      '#type' => 'table',
      '#empty' => $empty,
      '#header' => [
        'term' => $this
          ->t('Name'),
        'operations' => $this
          ->t('Operations'),
        'weight' => $update_tree_access
          ->isAllowed() ? $this
          ->t('Weight') : NULL,
      ],
      '#attributes' => [
        'id' => 'taxonomy',
      ],
    ];
    $this->renderer
      ->addCacheableDependency($form['terms'], $create_access);
    foreach ($current_page as $key => $term) {
      $form['terms'][$key] = [
        'term' => [],
        'operations' => [],
        'weight' => $update_tree_access
          ->isAllowed() ? [] : NULL,
      ];

      /** @var $term \Drupal\Core\Entity\EntityInterface */
      $term = $this->entityRepository
        ->getTranslationFromContext($term);
      $form['terms'][$key]['#term'] = $term;
      $indentation = [];
      if (isset($term->depth) && $term->depth > 0) {
        $indentation = [
          '#theme' => 'indentation',
          '#size' => $term->depth,
        ];
      }
      $form['terms'][$key]['term'] = [
        '#prefix' => !empty($indentation) ? $this->renderer
          ->render($indentation) : '',
        '#type' => 'link',
        '#title' => $term
          ->getName(),
        '#url' => $term
          ->toUrl(),
      ];

      // Add a special class for terms with pending revision so we can highlight
      // them in the form.
      $form['terms'][$key]['#attributes']['class'] = [];
      if (in_array($term
        ->id(), $pending_term_ids)) {
        $form['terms'][$key]['#attributes']['class'][] = 'color-warning';
        $form['terms'][$key]['#attributes']['class'][] = 'taxonomy-term--pending-revision';
      }
      if ($update_tree_access
        ->isAllowed() && count($tree) > 1) {
        $parent_fields = TRUE;
        $form['terms'][$key]['term']['tid'] = [
          '#type' => 'hidden',
          '#value' => $term
            ->id(),
          '#attributes' => [
            'class' => [
              'term-id',
            ],
          ],
        ];
        $form['terms'][$key]['term']['parent'] = [
          '#type' => 'hidden',
          // Yes, default_value on a hidden. It needs to be changeable by the
          // javascript.
          '#default_value' => $term->parents[0],
          '#attributes' => [
            'class' => [
              'term-parent',
            ],
          ],
        ];
        $form['terms'][$key]['term']['depth'] = [
          '#type' => 'hidden',
          // Same as above, the depth is modified by javascript, so it's a
          // default_value.
          '#default_value' => $term->depth,
          '#attributes' => [
            'class' => [
              'term-depth',
            ],
          ],
        ];
      }
      $update_access = $term
        ->access('update', NULL, TRUE);
      $update_tree_access = $update_tree_access
        ->andIf($update_access);
      if ($update_tree_access
        ->isAllowed()) {
        $form['terms'][$key]['weight'] = [
          '#type' => 'weight',
          '#delta' => $delta,
          '#title' => $this
            ->t('Weight for added term'),
          '#title_display' => 'invisible',
          '#default_value' => $term
            ->getWeight(),
          '#attributes' => [
            'class' => [
              'term-weight',
            ],
          ],
        ];
      }
      if ($operations = $this->termListBuilder
        ->getOperations($term)) {
        $form['terms'][$key]['operations'] = [
          '#type' => 'operations',
          '#links' => $operations,
        ];
      }
      if ($parent_fields) {
        $form['terms'][$key]['#attributes']['class'][] = 'draggable';
      }

      // Add classes that mark which terms belong to previous and next pages.
      if ($row_position < $back_step || $row_position >= $page_entries - $forward_step) {
        $form['terms'][$key]['#attributes']['class'][] = 'taxonomy-term-preview';
      }
      if ($row_position !== 0 && $row_position !== count($tree) - 1) {
        if ($row_position == $back_step - 1 || $row_position == $page_entries - $forward_step - 1) {
          $form['terms'][$key]['#attributes']['class'][] = 'taxonomy-term-divider-top';
        }
        elseif ($row_position == $back_step || $row_position == $page_entries - $forward_step) {
          $form['terms'][$key]['#attributes']['class'][] = 'taxonomy-term-divider-bottom';
        }
      }

      // Add an error class if this row contains a form error.
      foreach ($errors as $error_key => $error) {
        if (strpos($error_key, $key) === 0) {
          $form['terms'][$key]['#attributes']['class'][] = 'error';
        }
      }
      $row_position++;
    }
    $this->renderer
      ->addCacheableDependency($form['terms'], $update_tree_access);
    if ($update_tree_access
      ->isAllowed()) {
      if ($parent_fields) {
        $form['terms']['#tabledrag'][] = [
          'action' => 'match',
          'relationship' => 'parent',
          'group' => 'term-parent',
          'subgroup' => 'term-parent',
          'source' => 'term-id',
          'hidden' => FALSE,
        ];
        $form['terms']['#tabledrag'][] = [
          'action' => 'depth',
          'relationship' => 'group',
          'group' => 'term-depth',
          'hidden' => FALSE,
        ];
        $form['terms']['#attached']['library'][] = 'taxonomy/drupal.taxonomy';
        $form['terms']['#attached']['drupalSettings']['taxonomy'] = [
          'backStep' => $back_step,
          'forwardStep' => $forward_step,
        ];
      }
      $form['terms']['#tabledrag'][] = [
        'action' => 'order',
        'relationship' => 'sibling',
        'group' => 'term-weight',
      ];
    }
    if ($update_tree_access
      ->isAllowed() && count($tree) > 1) {
      $form['actions'] = [
        '#type' => 'actions',
        '#tree' => FALSE,
      ];
      $form['actions']['submit'] = [
        '#type' => 'submit',
        '#value' => $this
          ->t('Save'),
        '#button_type' => 'primary',
      ];
      $form['actions']['reset_alphabetical'] = [
        '#type' => 'submit',
        '#submit' => [
          '::submitReset',
        ],
        '#value' => $this
          ->t('Reset to alphabetical'),
      ];
    }
    $form['pager_pager'] = [
      '#type' => 'pager',
    ];
    return $form;
  }

  /**
   * Form submission handler.
   *
   * Rather than using a textfield or weight field, this form depends entirely
   * upon the order of form elements on the page to determine new weights.
   *
   * Because there might be hundreds or thousands of taxonomy terms that need to
   * be ordered, terms are weighted from 0 to the number of terms in the
   * vocabulary, rather than the standard -10 to 10 scale. Numbers are sorted
   * lowest to highest, but are not necessarily sequential. Numbers may be
   * skipped when a term has children so that reordering is minimal when a child
   * is added or removed from a term.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {

    // Sort term order based on weight.
    uasort($form_state
      ->getValue('terms'), [
      'Drupal\\Component\\Utility\\SortArray',
      'sortByWeightElement',
    ]);
    $vocabulary = $form_state
      ->get([
      'taxonomy',
      'vocabulary',
    ]);
    $changed_terms = [];
    $tree = $this->storageController
      ->loadTree($vocabulary
      ->id(), 0, NULL, TRUE);
    if (empty($tree)) {
      return;
    }

    // Build a list of all terms that need to be updated on previous pages.
    $weight = 0;
    $term = $tree[0];
    while ($term
      ->id() != $form['#first_tid']) {
      if ($term->parents[0] == 0 && $term
        ->getWeight() != $weight) {
        $term
          ->setWeight($weight);
        $changed_terms[$term
          ->id()] = $term;
      }
      $weight++;
      $term = $tree[$weight];
    }

    // Renumber the current page weights and assign any new parents.
    $level_weights = [];
    foreach ($form_state
      ->getValue('terms') as $tid => $values) {
      if (isset($form['terms'][$tid]['#term'])) {
        $term = $form['terms'][$tid]['#term'];

        // Give terms at the root level a weight in sequence with terms on previous pages.
        if ($values['term']['parent'] == 0 && $term
          ->getWeight() != $weight) {
          $term
            ->setWeight($weight);
          $changed_terms[$term
            ->id()] = $term;
        }
        elseif ($values['term']['parent'] > 0) {
          $level_weights[$values['term']['parent']] = isset($level_weights[$values['term']['parent']]) ? $level_weights[$values['term']['parent']] + 1 : 0;
          if ($level_weights[$values['term']['parent']] != $term
            ->getWeight()) {
            $term
              ->setWeight($level_weights[$values['term']['parent']]);
            $changed_terms[$term
              ->id()] = $term;
          }
        }

        // Update any changed parents.
        if ($values['term']['parent'] != $term->parents[0]) {
          $term->parent->target_id = $values['term']['parent'];
          $changed_terms[$term
            ->id()] = $term;
        }
        $weight++;
      }
    }

    // Build a list of all terms that need to be updated on following pages.
    for ($weight; $weight < count($tree); $weight++) {
      $term = $tree[$weight];
      if ($term->parents[0] == 0 && $term
        ->getWeight() != $weight) {
        $term->parent->target_id = $term->parents[0];
        $term
          ->setWeight($weight);
        $changed_terms[$term
          ->id()] = $term;
      }
    }
    if (!empty($changed_terms)) {
      $pending_term_ids = $this->storageController
        ->getTermIdsWithPendingRevisions();

      // Force a form rebuild if any of the changed terms has a pending
      // revision.
      if (array_intersect_key(array_flip($pending_term_ids), $changed_terms)) {
        $this
          ->messenger()
          ->addError($this
          ->t('The terms with updated parents have been modified by another user, the changes could not be saved.'));
        $form_state
          ->setRebuild();
        return;
      }

      // Save all updated terms.
      foreach ($changed_terms as $term) {
        $term
          ->save();
      }
      $this
        ->messenger()
        ->addStatus($this
        ->t('The configuration options have been saved.'));
    }
  }

  /**
   * Redirects to confirmation form for the reset action.
   */
  public function submitReset(array &$form, FormStateInterface $form_state) {

    /** @var $vocabulary \Drupal\taxonomy\VocabularyInterface */
    $vocabulary = $form_state
      ->get([
      'taxonomy',
      'vocabulary',
    ]);
    $form_state
      ->setRedirectUrl($vocabulary
      ->toUrl('reset-form'));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
DeprecatedServicePropertyTrait::__get	public	function	Allows to access deprecated/removed properties.
FormBase::$configFactory	protected	property	The config factory.	1
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	1
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	62
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
OverviewTerms::$deprecatedProperties	protected	property
OverviewTerms::$entityRepository	protected	property	The entity repository.
OverviewTerms::$entityTypeManager	protected	property	The entity type manager.
OverviewTerms::$moduleHandler	protected	property	The module handler service.
OverviewTerms::$pagerManager	protected	property	The pager manager.
OverviewTerms::$renderer	protected	property	The renderer service.
OverviewTerms::$storageController	protected	property	The term storage handler.
OverviewTerms::$termListBuilder	protected	property	The term list builder.
OverviewTerms::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm	1
OverviewTerms::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create
OverviewTerms::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId	1
OverviewTerms::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
OverviewTerms::submitReset	public	function	Redirects to confirmation form for the reset action.
OverviewTerms::__construct	public	function	Constructs an OverviewTerms object.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.

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class OverviewTerms in Drupal 8

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