load_block_on_ajax-8.x-1.0/src/Plugin/Condition/LoadBlockOnAjax.php

<?php

namespace Drupal\load_block_on_ajax\Plugin\Condition;

use Drupal\Core\Condition\ConditionPluginBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Provides a 'Request Path' condition.
 *
 * @Condition(
 *   id = "load_block_on_ajax",
 *   label = @Translation("Load Block On Ajax"),
 * )
 */
class LoadBlockOnAjax extends ConditionPluginBase {

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return ['load_block_on_ajax' => ''] + parent::defaultConfiguration();
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['load_block_on_ajax'] = [
      '#type' => 'checkbox',
      '#title' => $this->t('Load block via AJAX'),
      '#default_value' => $this->configuration['load_block_on_ajax'],
      '#description' => $this->t("Check if you want to load block on AJAX."),
    ];
    return parent::buildConfigurationForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    $this->configuration['load_block_on_ajax'] = $form_state->getValue('load_block_on_ajax');
    parent::submitConfigurationForm($form, $form_state);

    $current_path = \Drupal::service('path.current')->getPath();
    $arr_path = explode( '/', $current_path );

    $var = [];
    $config = \Drupal::config('load_block_on_ajax.settings');
    if( $config->get('load_block_on_ajax_var') != '' ) {
        $var = unserialize( $config->get('load_block_on_ajax_var') );
    }

    if( TRUE == $form_state->getValue('load_block_on_ajax') ) {
        $var[$arr_path[5]] = $arr_path[5];
    } else {
        unset( $var[$arr_path[5]] );
    }

    $config = \Drupal::service('config.factory')->getEditable('load_block_on_ajax.settings');
    $config->set('load_block_on_ajax_var', serialize($var))->save();

  }

  /**
   * {@inheritdoc}
   */
  public function summary() {
    $pages = array_map('trim', explode("\n", $this->configuration['load_block_on_ajax']));
    $pages = implode(', ', $pages);
    if (!empty($this->configuration['negate'])) {
      return $this->t('Do not return true on the following pages: @pages', ['@pages' => $pages]);
    }
    return $this->t('Return true on the following pages: @pages', ['@pages' => $pages]);
  }

  /**
   * {@inheritdoc}
   */
  public function evaluate() {
      return TRUE;
  }

}