--- /dev/null
+<?php
+
+namespace Drupal\views_test_data\Plugin\views\filter;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\views\Plugin\views\filter\FilterPluginBase;
+
+/**
+ * @ViewsFilter("test_filter")
+ */
+class FilterTest extends FilterPluginBase {
+
+ /**
+ * Overrides Drupal\views\Plugin\views\row\RowPluginBase::defineOptions().
+ *
+ * @return array
+ */
+ protected function defineOptions() {
+ $options = parent::defineOptions();
+
+ $options['test_enable'] = ['default' => TRUE];
+ return $options;
+ }
+
+ /**
+ * Overrides Drupal\views\Plugin\views\row\RowPluginBase::buildOptionsForm().
+ *
+ * @return array
+ */
+ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
+ parent::buildOptionsForm($form, $form_state);
+
+ $form['test_enable'] = [
+ '#type' => 'checkbox',
+ '#title' => $this->t('Controls whether the filter plugin should be active'),
+ '#default_value' => $this->options['test_enable'],
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function query() {
+ // Call the parent if this option is enabled.
+ if ($this->options['test_enable']) {
+ parent::query();
+ }
+ }
+
+}