SettingsForm.php in Multiselect 8

Namespace

Drupal\multiselect\Form

File

src/Form/SettingsForm.php

<?php

namespace Drupal\multiselect\Form;

use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Form builder for the admin display defaults page.
 */
class SettingsForm extends ConfigFormBase {

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    $config = $this
      ->config('multiselect.settings');
    $form['basic'] = [];
    $form['basic']['multiselect_widths'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Width of Select Boxes (in pixels)'),
      '#default_value' => $config
        ->get('multiselect.widths'),
      '#size' => 3,
      '#field_suffix' => 'px',
      '#required' => TRUE,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $config = $this
      ->config('multiselect.settings');
    $config
      ->set('multiselect.widths', $form_state
      ->getValue('multiselect_widths'))
      ->save();
    parent::submitForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'multiselect.settings',
    ];
  }

}

Classes

Name	Description
SettingsForm	Form builder for the admin display defaults page.