FormTestTableSelectDisabledRowsForm.php

<?php

namespace Drupal\form_test\Form;

use Drupal\Core\Form\FormStateInterface;

/**
 * Builds a form to test table select with disabled rows.
 *
 * @internal
 */
class FormTestTableSelectDisabledRowsForm extends FormTestTableSelectFormBase {
    
    /**
     * {@inheritdoc}
     */
    public function getFormId() {
        return '_form_test_tableselect_disabled_rows_form';
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildForm(array $form, FormStateInterface $form_state, $test_action = NULL) {
        $multiple = [
            'multiple-true' => TRUE,
            'multiple-false' => FALSE,
        ][$test_action];
        $form = $this->tableselectFormBuilder($form, $form_state, [
            '#multiple' => $multiple,
            '#js_select' => TRUE,
            '#ajax' => NULL,
        ]);
        // Disable the second row.
        $form['tableselect']['#options']['row2']['#disabled'] = TRUE;
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function submitForm(array &$form, FormStateInterface $form_state) {
    }

}