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abstract class HandlerBase in Drupal 8

Same name and namespace in other branches
  1. 9 core/modules/views/src/Plugin/views/HandlerBase.php \Drupal\views\Plugin\views\HandlerBase

Base class for Views handler plugins.

Hierarchy

Expanded class hierarchy of HandlerBase

Related topics

Views plugins
Overview of views plugins
12 files declare their use of HandlerBase
AreaPluginBase.php in core/modules/views/src/Plugin/views/area/AreaPluginBase.php
ArgumentPluginBase.php in core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
FieldPluginBase.php in core/modules/views/src/Plugin/views/field/FieldPluginBase.php
FilterPluginBase.php in core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
HandlerAllTest.php in core/modules/views/tests/src/Functional/Handler/HandlerAllTest.php

... See full list

File

core/modules/views/src/Plugin/views/HandlerBase.php, line 24

Namespace

Drupal\views\Plugin\views
View source 
abstract class HandlerBase extends PluginBase implements ViewsHandlerInterface {

  /**
   * Where the $query object will reside:
   *
   * @var \Drupal\views\Plugin\views\query\QueryPluginBase
   */
  public $query = NULL;

  /**
   * The table this handler is attached to.
   *
   * @var string
   */
  public $table;

  /**
   * The alias of the table of this handler which is used in the query.
   *
   * @var string
   */
  public $tableAlias;

  /**
   * The actual field in the database table, maybe different
   * on other kind of query plugins/special handlers.
   *
   * @var string
   */
  public $realField;

  /**
   * With field you can override the realField if the real field is not set.
   *
   * @var string
   */
  public $field;

  /**
   * The relationship used for this field.
   *
   * @var string
   */
  public $relationship = NULL;

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

  /**
   * The views data service.
   *
   * @var \Drupal\views\ViewsData
   */
  protected $viewsData;

  /**
   * Constructs a Handler object.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->is_handler = TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
    parent::init($view, $display, $options);

    // Check to see if this handler type is defaulted. Note that
    // we have to do a lookup because the type is singular but the
    // option is stored as the plural.
    $this
      ->unpackOptions($this->options, $options);

    // This exist on most handlers, but not all. So they are still optional.
    if (isset($options['table'])) {
      $this->table = $options['table'];
    }

    // Allow aliases on both fields and tables.
    if (isset($this->definition['real table'])) {
      $this->table = $this->definition['real table'];
    }
    if (isset($this->definition['real field'])) {
      $this->realField = $this->definition['real field'];
    }
    if (isset($this->definition['field'])) {
      $this->realField = $this->definition['field'];
    }
    if (isset($options['field'])) {
      $this->field = $options['field'];
      if (!isset($this->realField)) {
        $this->realField = $options['field'];
      }
    }
    $this->query =& $view->query;
  }
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['id'] = [
      'default' => '',
    ];
    $options['table'] = [
      'default' => '',
    ];
    $options['field'] = [
      'default' => '',
    ];
    $options['relationship'] = [
      'default' => 'none',
    ];
    $options['group_type'] = [
      'default' => 'group',
    ];
    $options['admin_label'] = [
      'default' => '',
    ];
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function adminLabel($short = FALSE) {
    if (!empty($this->options['admin_label'])) {
      return $this->options['admin_label'];
    }
    $title = $short && isset($this->definition['title short']) ? $this->definition['title short'] : $this->definition['title'];
    return $this
      ->t('@group: @title', [
      '@group' => $this->definition['group'],
      '@title' => $title,
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getField($field = NULL) {
    if (!isset($field)) {
      if (!empty($this->formula)) {
        $field = $this
          ->getFormula();
      }
      else {
        $field = $this->tableAlias . '.' . $this->realField;
      }
    }

    // If grouping, check to see if the aggregation method needs to modify the field.
    if ($this->view->display_handler
      ->useGroupBy()) {
      $this->view
        ->initQuery();
      if ($this->query) {
        $info = $this->query
          ->getAggregationInfo();
        if (!empty($info[$this->options['group_type']]['method'])) {
          $method = $info[$this->options['group_type']]['method'];
          if (method_exists($this->query, $method)) {
            return $this->query
              ->{$method}($this->options['group_type'], $field);
          }
        }
      }
    }
    return $field;
  }

  /**
   * {@inheritdoc}
   */
  public function sanitizeValue($value, $type = NULL) {
    switch ($type) {
      case 'xss':
        $value = Xss::filter($value);
        break;
      case 'xss_admin':
        $value = Xss::filterAdmin($value);
        break;
      case 'url':
        $value = Html::escape(UrlHelper::stripDangerousProtocols($value));
        break;
      default:
        $value = Html::escape($value);
        break;
    }
    return ViewsRenderPipelineMarkup::create($value);
  }

  /**
   * Transform a string by a certain method.
   *
   * @param $string
   *   The input you want to transform.
   * @param $option
   *   How do you want to transform it, possible values:
   *   - upper: Uppercase the string.
   *   - lower: lowercase the string.
   *   - ucfirst: Make the first char uppercase.
   *   - ucwords: Make each word in the string uppercase.
   *
   * @return string
   *   The transformed string.
   */
  protected function caseTransform($string, $option) {
    switch ($option) {
      default:
        return $string;
      case 'upper':
        return mb_strtoupper($string);
      case 'lower':
        return mb_strtolower($string);
      case 'ucfirst':
        return Unicode::ucfirst($string);
      case 'ucwords':
        return Unicode::ucwords($string);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {

    // Some form elements belong in a fieldset for presentation, but can't
    // be moved into one because of the $form_state->getValues() hierarchy. Those
    // elements can add a #fieldset => 'fieldset_name' property, and they'll
    // be moved to their fieldset during pre_render.
    $form['#pre_render'][] = [
      get_class($this),
      'preRenderAddFieldsetMarkup',
    ];
    parent::buildOptionsForm($form, $form_state);
    $form['fieldsets'] = [
      '#type' => 'value',
      '#value' => [
        'more',
        'admin_label',
      ],
    ];
    $form['admin_label'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Administrative title'),
      '#weight' => 150,
    ];
    $form['admin_label']['admin_label'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Administrative title'),
      '#description' => $this
        ->t('This title will be displayed on the views edit page instead of the default one. This might be useful if you have the same item twice.'),
      '#default_value' => $this->options['admin_label'],
      '#parents' => [
        'options',
        'admin_label',
      ],
    ];

    // This form is long and messy enough that the "Administrative title" option
    // belongs in "Administrative title" fieldset at the bottom of the form.
    $form['more'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('More'),
      '#weight' => 200,
      '#optional' => TRUE,
    ];

    // Allow to alter the default values brought into the form.
    // @todo Do we really want to keep this hook.
    $this
      ->getModuleHandler()
      ->alter('views_handler_options', $this->options, $this->view);
  }

  /**
   * Gets the module handler.
   *
   * @return \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected function getModuleHandler() {
    if (!$this->moduleHandler) {
      $this->moduleHandler = \Drupal::moduleHandler();
    }
    return $this->moduleHandler;
  }

  /**
   * Sets the module handler.
   *
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler.
   */
  public function setModuleHandler(ModuleHandlerInterface $module_handler) {
    $this->moduleHandler = $module_handler;
  }

  /**
   * Provides the handler some groupby.
   */
  public function usesGroupBy() {
    return TRUE;
  }

  /**
   * Provide a form for aggregation settings.
   */
  public function buildGroupByForm(&$form, FormStateInterface $form_state) {
    $display_id = $form_state
      ->get('display_id');
    $type = $form_state
      ->get('type');
    $id = $form_state
      ->get('id');
    $form['#section'] = $display_id . '-' . $type . '-' . $id;
    $this->view
      ->initQuery();
    $info = $this->view->query
      ->getAggregationInfo();
    foreach ($info as $id => $aggregate) {
      $group_types[$id] = $aggregate['title'];
    }
    $form['group_type'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Aggregation type'),
      '#default_value' => $this->options['group_type'],
      '#description' => $this
        ->t('Select the aggregation function to use on this field.'),
      '#options' => $group_types,
    ];
  }

  /**
   * Perform any necessary changes to the form values prior to storage.
   * There is no need for this function to actually store the data.
   */
  public function submitGroupByForm(&$form, FormStateInterface $form_state) {
    $form_state
      ->get('handler')->options['group_type'] = $form_state
      ->getValue([
      'options',
      'group_type',
    ]);
  }

  /**
   * If a handler has 'extra options' it will get a little settings widget and
   * another form called extra_options.
   */
  public function hasExtraOptions() {
    return FALSE;
  }

  /**
   * Provide defaults for the handler.
   */
  public function defineExtraOptions(&$option) {
  }

  /**
   * Provide a form for setting options.
   */
  public function buildExtraOptionsForm(&$form, FormStateInterface $form_state) {
  }

  /**
   * Validate the options form.
   */
  public function validateExtraOptionsForm($form, FormStateInterface $form_state) {
  }

  /**
   * Perform any necessary changes to the form values prior to storage.
   * There is no need for this function to actually store the data.
   */
  public function submitExtraOptionsForm($form, FormStateInterface $form_state) {
  }

  /**
   * Determine if a handler can be exposed.
   */
  public function canExpose() {
    return FALSE;
  }

  /**
   * Set new exposed option defaults when exposed setting is flipped
   * on.
   */
  public function defaultExposeOptions() {
  }

  /**
   * Get information about the exposed form for the form renderer.
   */
  public function exposedInfo() {
  }

  /**
   * Render our chunk of the exposed handler form when selecting
   */
  public function buildExposedForm(&$form, FormStateInterface $form_state) {
  }

  /**
   * Validate the exposed handler form
   */
  public function validateExposed(&$form, FormStateInterface $form_state) {
  }

  /**
   * Submit the exposed handler form
   */
  public function submitExposed(&$form, FormStateInterface $form_state) {
  }

  /**
   * Form for exposed handler options.
   */
  public function buildExposeForm(&$form, FormStateInterface $form_state) {
  }

  /**
   * Validate the options form.
   */
  public function validateExposeForm($form, FormStateInterface $form_state) {
  }

  /**
   * Perform any necessary changes to the form exposes prior to storage.
   * There is no need for this function to actually store the data.
   */
  public function submitExposeForm($form, FormStateInterface $form_state) {
  }

  /**
   * Shortcut to display the expose/hide button.
   */
  public function showExposeButton(&$form, FormStateInterface $form_state) {
  }

  /**
   * Shortcut to display the exposed options form.
   */
  public function showExposeForm(&$form, FormStateInterface $form_state) {
    if (empty($this->options['exposed'])) {
      return;
    }
    $this
      ->buildExposeForm($form, $form_state);

    // When we click the expose button, we add new gadgets to the form but they
    // have no data in POST so their defaults get wiped out. This prevents
    // these defaults from getting wiped out. This setting will only be TRUE
    // during a 2nd pass rerender.
    if ($form_state
      ->get('force_expose_options')) {
      foreach (Element::children($form['expose']) as $id) {
        if (isset($form['expose'][$id]['#default_value']) && !isset($form['expose'][$id]['#value'])) {
          $form['expose'][$id]['#value'] = $form['expose'][$id]['#default_value'];
        }
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function access(AccountInterface $account) {
    if (isset($this->definition['access callback']) && function_exists($this->definition['access callback'])) {
      if (isset($this->definition['access arguments']) && is_array($this->definition['access arguments'])) {
        return call_user_func_array($this->definition['access callback'], [
          $account,
        ] + $this->definition['access arguments']);
      }
      return $this->definition['access callback']($account);
    }
    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function preQuery() {
  }

  /**
   * {@inheritdoc}
   */
  public function query() {
  }

  /**
   * {@inheritdoc}
   */
  public function postExecute(&$values) {
  }

  /**
   * Provides a unique placeholders for handlers.
   *
   * @return string
   *   A placeholder which contains the table and the fieldname.
   */
  protected function placeholder() {
    return $this->query
      ->placeholder($this->table . '_' . $this->field);
  }

  /**
   * {@inheritdoc}
   */
  public function setRelationship() {

    // Ensure this gets set to something.
    $this->relationship = NULL;

    // Don't process non-existent relationships.
    if (empty($this->options['relationship']) || $this->options['relationship'] == 'none') {
      return;
    }
    $relationship = $this->options['relationship'];

    // Ignore missing/broken relationships.
    if (empty($this->view->relationship[$relationship])) {
      return;
    }

    // Check to see if the relationship has already processed. If not, then we
    // cannot process it.
    if (empty($this->view->relationship[$relationship]->alias)) {
      return;
    }

    // Finally!
    $this->relationship = $this->view->relationship[$relationship]->alias;
  }

  /**
   * {@inheritdoc}
   */
  public function ensureMyTable() {
    if (!isset($this->tableAlias)) {
      $this->tableAlias = $this->query
        ->ensureTable($this->table, $this->relationship);
    }
    return $this->tableAlias;
  }

  /**
   * {@inheritdoc}
   */
  public function adminSummary() {
  }

  /**
   * Determine if this item is 'exposed', meaning it provides form elements
   * to let users modify the view.
   *
   * @return bool
   */
  public function isExposed() {
    return !empty($this->options['exposed']);
  }

  /**
   * Returns TRUE if the exposed filter works like a grouped filter.
   */
  public function isAGroup() {
    return FALSE;
  }

  /**
   * Define if the exposed input has to be submitted multiple times.
   * This is TRUE when exposed filters grouped are using checkboxes as
   * widgets.
   */
  public function multipleExposedInput() {
    return FALSE;
  }

  /**
   * Take input from exposed handlers and assign to this handler, if necessary.
   */
  public function acceptExposedInput($input) {
    return TRUE;
  }

  /**
   * If set to remember exposed input in the session, store it there.
   */
  public function storeExposedInput($input, $status) {
    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function getJoin() {

    // get the join from this table that links back to the base table.
    // Determine the primary table to seek
    if (empty($this->query->relationships[$this->relationship])) {
      $base_table = $this->view->storage
        ->get('base_table');
    }
    else {
      $base_table = $this->query->relationships[$this->relationship]['base'];
    }
    $join = $this
      ->getTableJoin($this->table, $base_table);
    if ($join) {
      return clone $join;
    }
  }

  /**
   * {@inheritdoc}
   */
  public function validate() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function broken() {
    return FALSE;
  }

  /**
   * Creates cross-database SQL date formatting.
   *
   * @param string $format
   *   A format string for the result, like 'Y-m-d H:i:s'.
   *
   * @return string
   *   An appropriate SQL string for the DB type and field type.
   */
  public function getDateFormat($format) {
    return $this->query
      ->getDateFormat($this
      ->getDateField(), $format);
  }

  /**
   * Creates cross-database SQL dates.
   *
   * @return string
   *   An appropriate SQL string for the db type and field type.
   */
  public function getDateField() {
    return $this->query
      ->getDateField("{$this->tableAlias}.{$this->realField}");
  }

  /**
   * Gets views data service.
   *
   * @return \Drupal\views\ViewsData
   */
  protected function getViewsData() {
    if (!$this->viewsData) {
      $this->viewsData = Views::viewsData();
    }
    return $this->viewsData;
  }

  /**
   * {@inheritdoc}
   */
  public function setViewsData(ViewsData $views_data) {
    $this->viewsData = $views_data;
  }

  /**
   * {@inheritdoc}
   */
  public static function getTableJoin($table, $base_table) {
    $data = Views::viewsData()
      ->get($table);
    if (isset($data['table']['join'][$base_table])) {
      $join_info = $data['table']['join'][$base_table];
      if (!empty($join_info['join_id'])) {
        $id = $join_info['join_id'];
      }
      else {
        $id = 'standard';
      }
      $configuration = $join_info;

      // Fill in some easy defaults.
      if (empty($configuration['table'])) {
        $configuration['table'] = $table;
      }

      // If this is empty, it's a direct link.
      if (empty($configuration['left_table'])) {
        $configuration['left_table'] = $base_table;
      }
      if (isset($join_info['arguments'])) {
        foreach ($join_info['arguments'] as $key => $argument) {
          $configuration[$key] = $argument;
        }
      }
      $join = Views::pluginManager('join')
        ->createInstance($id, $configuration);
      return $join;
    }
  }

  /**
   * {@inheritdoc}
   */
  public function getEntityType() {

    // If the user has configured a relationship on the handler take that into
    // account.
    if (!empty($this->options['relationship']) && $this->options['relationship'] != 'none') {
      $relationship = $this->displayHandler
        ->getOption('relationships')[$this->options['relationship']];
      $table_data = $this
        ->getViewsData()
        ->get($relationship['table']);
      $views_data = $this
        ->getViewsData()
        ->get($table_data[$relationship['field']]['relationship']['base']);
    }
    else {
      $views_data = $this
        ->getViewsData()
        ->get($this->view->storage
        ->get('base_table'));
    }
    if (isset($views_data['table']['entity type'])) {
      return $views_data['table']['entity type'];
    }
    else {
      throw new \Exception("No entity type for field {$this->options['id']} on view {$this->view->storage->id()}");
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function breakString($str, $force_int = FALSE) {
    $operator = NULL;
    $value = [];

    // Determine if the string has 'or' operators (plus signs) or 'and'
    // operators (commas) and split the string accordingly.
    if (preg_match('/^([\\w0-9-_\\.]+[+ ]+)+[\\w0-9-_\\.]+$/u', $str)) {

      // The '+' character in a query string may be parsed as ' '.
      $operator = 'or';
      $value = preg_split('/[+ ]/', $str);
    }
    elseif (preg_match('/^([\\w0-9-_\\.]+[, ]+)*[\\w0-9-_\\.]+$/u', $str)) {
      $operator = 'and';
      $value = explode(',', $str);
    }

    // Filter any empty matches (Like from '++' in a string) and reset the
    // array keys. 'strlen' is used as the filter callback so we do not lose
    // 0 values (would otherwise evaluate == FALSE).
    $value = array_values(array_filter($value, 'strlen'));
    if ($force_int) {
      $value = array_map('intval', $value);
    }
    return (object) [
      'value' => $value,
      'operator' => $operator,
    ];
  }

  /**
   * Displays the Expose form.
   */
  public function displayExposedForm($form, FormStateInterface $form_state) {
    $item =& $this->options;

    // flip
    $item['exposed'] = empty($item['exposed']);

    // If necessary, set new defaults:
    if ($item['exposed']) {
      $this
        ->defaultExposeOptions();
    }
    $view = $form_state
      ->get('view');
    $display_id = $form_state
      ->get('display_id');
    $type = $form_state
      ->get('type');
    $id = $form_state
      ->get('id');
    $view
      ->getExecutable()
      ->setHandler($display_id, $type, $id, $item);
    $view
      ->addFormToStack($form_state
      ->get('form_key'), $display_id, $type, $id, TRUE, TRUE);
    $view
      ->cacheSet();
    $form_state
      ->set('rerender', TRUE);
    $form_state
      ->setRebuild();
    $form_state
      ->set('force_expose_options', TRUE);
  }

  /**
   * A submit handler that is used for storing temporary items when using
   * multi-step changes, such as ajax requests.
   */
  public function submitTemporaryForm($form, FormStateInterface $form_state) {

    // Run it through the handler's submit function.
    $this
      ->submitOptionsForm($form['options'], $form_state);
    $item = $this->options;
    $types = ViewExecutable::getHandlerTypes();

    // For footer/header $handler_type is area but $type is footer/header.
    // For all other handle types it's the same.
    $handler_type = $type = $form_state
      ->get('type');
    if (!empty($types[$type]['type'])) {
      $handler_type = $types[$type]['type'];
    }
    $override = NULL;
    $view = $form_state
      ->get('view');
    $executable = $view
      ->getExecutable();
    if ($executable->display_handler
      ->useGroupBy() && !empty($item['group_type'])) {
      if (empty($executable->query)) {
        $executable
          ->initQuery();
      }
      $aggregate = $executable->query
        ->getAggregationInfo();
      if (!empty($aggregate[$item['group_type']]['handler'][$type])) {
        $override = $aggregate[$item['group_type']]['handler'][$type];
      }
    }

    // Create a new handler and unpack the options from the form onto it. We
    // can use that for storage.
    $handler = Views::handlerManager($handler_type)
      ->getHandler($item, $override);
    $handler
      ->init($executable, $executable->display_handler, $item);

    // Add the incoming options to existing options because items using
    // the extra form may not have everything in the form here.
    $options = $form_state
      ->getValue('options') + $this->options;

    // This unpacks only options that are in the definition, ensuring random
    // extra stuff on the form is not sent through.
    $handler
      ->unpackOptions($handler->options, $options, NULL, FALSE);

    // Store the item back on the view.
    $executable = $view
      ->getExecutable();
    $executable->temporary_options[$type][$form_state
      ->get('id')] = $handler->options;

    // @todo Decide if \Drupal\views_ui\Form\Ajax\ViewsFormBase::getForm() is
    //   perhaps the better place to fix the issue.
    // \Drupal\views_ui\Form\Ajax\ViewsFormBase::getForm() drops the current
    // form from the stack, even if it's an #ajax. So add the item back to the top
    // of the stack.
    $view
      ->addFormToStack($form_state
      ->get('form_key'), $form_state
      ->get('display_id'), $type, $item['id'], TRUE);
    $form_state
      ->get('rerender', TRUE);
    $form_state
      ->setRebuild();

    // Write to cache
    $view
      ->cacheSet();
  }

  /**
   * Calculates options stored on the handler
   *
   * @param array $options
   *   The options stored in the handler
   * @param array $form_state_options
   *   The newly submitted form state options.
   *
   * @return array
   *   The new options
   */
  public function submitFormCalculateOptions(array $options, array $form_state_options) {
    return $form_state_options + $options;
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    $dependencies = parent::calculateDependencies();
    if ($this->table) {

      // Ensure that the view depends on the module that provides the table.
      $data = $this
        ->getViewsData()
        ->get($this->table);
      if (isset($data['table']['provider'])) {
        $dependencies['module'][] = $data['table']['provider'];
      }
    }
    return $dependencies;
  }

}

Members

Namesort descending 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
HandlerBase::$field public property With field you can override the realField if the real field is not set.
HandlerBase::$moduleHandler protected property The module handler. 3
HandlerBase::$query public property Where the $query object will reside: 7
HandlerBase::$realField public property The actual field in the database table, maybe different on other kind of query plugins/special handlers.
HandlerBase::$relationship public property The relationship used for this field.
HandlerBase::$table public property The table this handler is attached to.
HandlerBase::$tableAlias public property The alias of the table of this handler which is used in the query.
HandlerBase::$viewsData protected property The views data service.
HandlerBase::acceptExposedInput public function Take input from exposed handlers and assign to this handler, if necessary. 1
HandlerBase::access public function Check whether given user has access to this handler. Overrides ViewsHandlerInterface::access 4
HandlerBase::adminLabel public function Return a string representing this handler's name in the UI. Overrides ViewsHandlerInterface::adminLabel 4
HandlerBase::adminSummary public function Provide text for the administrative summary. Overrides ViewsHandlerInterface::adminSummary 4
HandlerBase::breakString public static function Breaks x,y,z and x+y+z into an array. Overrides ViewsHandlerInterface::breakString
HandlerBase::broken public function Determines if the handler is considered 'broken', meaning it's a placeholder used when a handler can't be found. Overrides ViewsHandlerInterface::broken
HandlerBase::buildExposedForm public function Render our chunk of the exposed handler form when selecting 1
HandlerBase::buildExposeForm public function Form for exposed handler options. 2
HandlerBase::buildExtraOptionsForm public function Provide a form for setting options. 1
HandlerBase::buildGroupByForm public function Provide a form for aggregation settings. 1
HandlerBase::buildOptionsForm public function Provide a form to edit options for this plugin. Overrides PluginBase::buildOptionsForm 6
HandlerBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies 10
HandlerBase::canExpose public function Determine if a handler can be exposed. 2
HandlerBase::caseTransform protected function Transform a string by a certain method.
HandlerBase::defaultExposeOptions public function Set new exposed option defaults when exposed setting is flipped on. 2
HandlerBase::defineExtraOptions public function Provide defaults for the handler.
HandlerBase::defineOptions protected function Information about options for all kinds of purposes will be held here. Overrides PluginBase::defineOptions 6
HandlerBase::displayExposedForm public function Displays the Expose form.
HandlerBase::ensureMyTable public function Ensure the main table for this handler is in the query. This is used a lot. Overrides ViewsHandlerInterface::ensureMyTable 2
HandlerBase::exposedInfo public function Get information about the exposed form for the form renderer. 1
HandlerBase::getDateField public function Creates cross-database SQL dates. 2
HandlerBase::getDateFormat public function Creates cross-database SQL date formatting. 2
HandlerBase::getEntityType public function Determines the entity type used by this handler. Overrides ViewsHandlerInterface::getEntityType
HandlerBase::getField public function Shortcut to get a handler's raw field value. Overrides ViewsHandlerInterface::getField
HandlerBase::getJoin public function Get the join object that should be used for this handler. Overrides ViewsHandlerInterface::getJoin
HandlerBase::getModuleHandler protected function Gets the module handler.
HandlerBase::getTableJoin public static function Fetches a handler to join one table to a primary table from the data cache. Overrides ViewsHandlerInterface::getTableJoin
HandlerBase::getViewsData protected function Gets views data service.
HandlerBase::hasExtraOptions public function If a handler has 'extra options' it will get a little settings widget and another form called extra_options. 1
HandlerBase::init public function Initialize the plugin. Overrides PluginBase::init 6
HandlerBase::isAGroup public function Returns TRUE if the exposed filter works like a grouped filter. 1
HandlerBase::isExposed public function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
HandlerBase::multipleExposedInput public function Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets. 1
HandlerBase::placeholder protected function Provides a unique placeholders for handlers.
HandlerBase::postExecute public function Run after the view is executed, before the result is cached. Overrides ViewsHandlerInterface::postExecute
HandlerBase::preQuery public function Run before the view is built. Overrides ViewsHandlerInterface::preQuery 2
HandlerBase::query public function Add anything to the query that we might need to. Overrides PluginBase::query 7
HandlerBase::sanitizeValue public function Sanitize the value for output. Overrides ViewsHandlerInterface::sanitizeValue
HandlerBase::setModuleHandler public function Sets the module handler.
HandlerBase::setRelationship public function Called just prior to query(), this lets a handler set up any relationship it needs. Overrides ViewsHandlerInterface::setRelationship
HandlerBase::setViewsData public function
HandlerBase::showExposeButton public function Shortcut to display the expose/hide button. 2
HandlerBase::showExposeForm public function Shortcut to display the exposed options form. Overrides ViewsHandlerInterface::showExposeForm
HandlerBase::storeExposedInput public function If set to remember exposed input in the session, store it there. 1
HandlerBase::submitExposed public function Submit the exposed handler form
HandlerBase::submitExposeForm public function Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitExtraOptionsForm public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitFormCalculateOptions public function Calculates options stored on the handler 1
HandlerBase::submitGroupByForm public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. 1
HandlerBase::submitTemporaryForm public function A submit handler that is used for storing temporary items when using multi-step changes, such as ajax requests.
HandlerBase::usesGroupBy public function Provides the handler some groupby. 13
HandlerBase::validate public function Validate that the plugin is correct and can be saved. Overrides PluginBase::validate 2
HandlerBase::validateExposed public function Validate the exposed handler form 4
HandlerBase::validateExposeForm public function Validate the options form. 1
HandlerBase::validateExtraOptionsForm public function Validate the options form.
HandlerBase::__construct public function Constructs a Handler object. Overrides PluginBase::__construct 44
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$definition public property Plugins's definition
PluginBase::$displayHandler public property The display object this plugin is for.
PluginBase::$options public property Options for this plugin will be held here.
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::$renderer protected property Stores the render API renderer. 3
PluginBase::$usesOptions protected property Denotes whether the plugin has an additional options form. 8
PluginBase::$view public property The top object of a view. 1
PluginBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 62
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::destroy public function Clears a plugin. Overrides ViewsPluginInterface::destroy 2
PluginBase::doFilterByDefinedOptions protected function Do the work to filter out stored options depending on the defined options.
PluginBase::filterByDefinedOptions public function Filter out stored options depending on the defined options. Overrides ViewsPluginInterface::filterByDefinedOptions
PluginBase::getAvailableGlobalTokens public function Returns an array of available token replacements. Overrides ViewsPluginInterface::getAvailableGlobalTokens
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::getProvider public function Returns the plugin provider. Overrides ViewsPluginInterface::getProvider
PluginBase::getRenderer protected function Returns the render API renderer. 1
PluginBase::globalTokenForm public function Adds elements for available core tokens to a form. Overrides ViewsPluginInterface::globalTokenForm
PluginBase::globalTokenReplace public function Returns a string with any core tokens replaced. Overrides ViewsPluginInterface::globalTokenReplace
PluginBase::INCLUDE_ENTITY constant Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED constant Include negotiated languages when listing languages.
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::listLanguages protected function Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle public function Return the human readable name of the display. Overrides ViewsPluginInterface::pluginTitle
PluginBase::preRenderAddFieldsetMarkup public static function Moves form elements into fieldsets for presentation purposes. Overrides ViewsPluginInterface::preRenderAddFieldsetMarkup
PluginBase::preRenderFlattenData public static function Flattens the structure of form elements. Overrides ViewsPluginInterface::preRenderFlattenData
PluginBase::queryLanguageSubstitutions public static function Returns substitutions for Views queries for languages.
PluginBase::setOptionDefaults protected function Fills up the options of the plugin with defaults.
PluginBase::submitOptionsForm public function Handle any special handling on the validate form. Overrides ViewsPluginInterface::submitOptionsForm 16
PluginBase::summaryTitle public function Returns the summary of the settings in the display. Overrides ViewsPluginInterface::summaryTitle 6
PluginBase::themeFunctions public function Provide a full list of possible theme templates used by this style. Overrides ViewsPluginInterface::themeFunctions 1
PluginBase::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides TrustedCallbackInterface::trustedCallbacks 6
PluginBase::unpackOptions public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. Overrides ViewsPluginInterface::unpackOptions
PluginBase::usesOptions public function Returns the usesOptions property. Overrides ViewsPluginInterface::usesOptions 8
PluginBase::validateOptionsForm public function Validate the options form. Overrides ViewsPluginInterface::validateOptionsForm 15
PluginBase::viewsTokenReplace protected function Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin. 1
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT constant Query string to indicate the site default language.
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.
TrustedCallbackInterface::THROW_EXCEPTION constant Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION constant Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING constant Untrusted callbacks trigger E_USER_WARNING errors.