public static function FilterWidgetBase::isApplicable in Better Exposed Filters 8.4

Same name and namespace in other branches

8.5 src/Plugin/better_exposed_filters/filter/FilterWidgetBase.php \Drupal\better_exposed_filters\Plugin\better_exposed_filters\filter\FilterWidgetBase::isApplicable()

Verify this plugin can be used on the form element.

Parameters

mixed $handler: The handler type we are altering (e.g. filter, pager, sort).

array $options: The options for this handler.

Return value

bool If this plugin can be used.

Overrides BetterExposedFiltersWidgetInterface::isApplicable

1 call to FilterWidgetBase::isApplicable()

Hidden::isApplicable in src/Plugin/better_exposed_filters/filter/Hidden.php: Verify this plugin can be used on the form element.

5 methods override FilterWidgetBase::isApplicable()

DatePickers::isApplicable in src/Plugin/better_exposed_filters/filter/DatePickers.php: Verify this plugin can be used on the form element.
DefaultWidget::isApplicable in src/Plugin/better_exposed_filters/filter/DefaultWidget.php: Verify this plugin can be used on the form element.
Hidden::isApplicable in src/Plugin/better_exposed_filters/filter/Hidden.php: Verify this plugin can be used on the form element.
Single::isApplicable in src/Plugin/better_exposed_filters/filter/Single.php: Verify this plugin can be used on the form element.
Sliders::isApplicable in src/Plugin/better_exposed_filters/filter/Sliders.php: Verify this plugin can be used on the form element.

File

src/Plugin/better_exposed_filters/filter/FilterWidgetBase.php, line 24

Class

FilterWidgetBase: Base class for Better exposed filters widget plugins.

Namespace

Drupal\better_exposed_filters\Plugin\better_exposed_filters\filter

Code

public static function isApplicable($filter = NULL, array $filter_options = []) {

  /** @var \Drupal\views\Plugin\views\filter\FilterPluginBase $filter */
  $is_applicable = FALSE;

  // Sanity check to ensure we have a filter to work with.
  if (!isset($filter)) {
    return $is_applicable;
  }

  // Check various filter types and determine what options are available.
  if (is_a($filter, 'Drupal\\views\\Plugin\\views\\filter\\StringFilter') || is_a($filter, 'Drupal\\views\\Plugin\\views\\filter\\InOperator')) {
    if (in_array($filter->operator, [
      'in',
      'or',
      'and',
      'not',
    ])) {
      $is_applicable = TRUE;
    }
    if (in_array($filter->operator, [
      'empty',
      'not empty',
    ])) {
      $is_applicable = TRUE;
    }
  }
  if (is_a($filter, 'Drupal\\views\\Plugin\\views\\filter\\BooleanOperator')) {
    $is_applicable = TRUE;
  }
  if (is_a($filter, 'Drupal\\taxonomy\\Plugin\\views\\filter\\TaxonomyIndexTid')) {

    // Autocomplete and dropdown taxonomy filter are both instances of
    // TaxonomyIndexTid, but we can't show BEF options for the autocomplete
    // widget.
    if ($filter_options['type'] == 'select') {
      $is_applicable = TRUE;
    }
  }
  if ($filter
    ->isAGroup()) {
    $is_applicable = TRUE;
  }
  if (is_a($filter, 'Drupal\\search_api\\Plugin\\views\\filter\\SearchApiFulltext')) {
    $is_applicable = TRUE;
  }
  return $is_applicable;
}

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