SettingsForm.php in Advanced CSS/JS Aggregation 8.3

Namespace

Drupal\advagg_old_ie_compatibility\Form

File

advagg_old_ie_compatibility/src/Form/SettingsForm.php

<?php

namespace Drupal\advagg_old_ie_compatibility\Form;

use Drupal\Core\Cache\Cache;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Configure advagg_mod settings for this site.
 */
class SettingsForm extends ConfigFormBase {

  /**
   * The Advagg cache.
   *
   * @var \Drupal\Core\Cache\CacheBackendInterface
   */
  protected $cache;

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

  /**
   * The core language manager service.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * Constructs a SettingsForm object.
   *
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The factory for configuration objects.
   * @param \Drupal\Core\Cache\CacheBackendInterface $cache
   *   The JavaScript asset collection optimizer service.
   */
  public function __construct(ConfigFactoryInterface $config_factory, CacheBackendInterface $cache) {
    parent::__construct($config_factory);
    $this->cache = $cache;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('config.factory'), $container
      ->get('cache.advagg'));
  }

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

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $config = $this
      ->config('advagg_old_ie_compatibility.settings');
    $form['active'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Prevent more than %limit CSS selectors in an aggregated CSS file', [
        '%limit' => $config
          ->get('limit'),
      ]),
      '#default_value' => $config
        ->get('active'),
      '#description' => $this
        ->t('Internet Explorer before version 10; IE9, IE8, IE7, and IE6 all have 4095 as the limit for the maximum number of css selectors that can be in a file. Enabling this will prevent CSS aggregates from being created that exceed this limit. <a href="@link">More info</a>.', [
        '@link' => 'http://blogs.msdn.com/b/ieinternals/archive/2011/05/14/10164546.aspx',
      ]),
    ];
    $form['limit'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('The selector count the IE CSS limiter should use'),
      '#default_value' => $config
        ->get('limit'),
      '#description' => $this
        ->t('Internet Explorer before version 10; IE9, IE8, IE7, and IE6 all have 4095 as the limit for the maximum number of css selectors that can be in a file. Use this field to modify the value used.'),
      '#states' => [
        'visible' => [
          '#edit-active' => [
            'checked' => TRUE,
          ],
        ],
        'disabled' => [
          '#edit-active' => [
            'checked' => FALSE,
          ],
        ],
      ],
    ];
    return parent::buildForm($form, $form_state);
  }

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

    /** @var \Drupal\Core\Config\Config $config */
    $config = $this
      ->config('advagg_old_ie_compatibility.settings');
    $config
      ->set('active', $form_state
      ->getValue('active'))
      ->set('limit', $form_state
      ->getValue('limit'))
      ->save();

    // Clear relevant caches.
    Cache::invalidateTags([
      'library_info',
    ]);
    $this->cache
      ->invalidateAll();
    parent::submitForm($form, $form_state);
  }

}

Classes

Name	Description
SettingsForm	Configure advagg_mod settings for this site.