RemoveViewsCustomTable.php in Views Custom Table 8

Namespace

Drupal\view_custom_table\Form

File

src/Form/RemoveViewsCustomTable.php

<?php

namespace Drupal\view_custom_table\Form;

use Drupal\Component\Utility\UrlHelper;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Config\ImmutableConfig;
use Drupal\Core\Config\Config;

/**
 * Add views custom table form.
 */
class RemoveViewsCustomTable extends FormBase {

  /**
   * Drupal\Core\Config\ImmutableConfig definition.
   *
   * @var \Drupal\Core\Config\ImmutableConfig
   */
  protected $config;

  /**
   * Drupal\Core\Config\Config definition.
   *
   * @var \Drupal\Core\Config\Config
   */
  protected $configEditable;

  /**
   * Class constructor.
   */
  public function __construct(ImmutableConfig $config, Config $configEditable) {
    $this->config = $config;
    $this->configEditable = $configEditable;
  }

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

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $table_name = NULL) {
    $form['message'] = [
      '#type' => 'markup',
      '#markup' => $this
        ->t('Do you want to remove @table from views custom tables ?', [
        '@table' => $table_name,
      ]),
    ];
    $form['table_name'] = [
      '#type' => 'hidden',
      '#value' => $table_name,
    ];
    $form['actions'] = [
      '#type' => 'actions',
    ];
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Delete'),
    ];
    $form['actions']['cancel'] = [
      '#type' => 'link',
      '#title' => $this
        ->t('Cancel'),
      '#url' => $this
        ->buildCancelLinkUrl(),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $table_name = $form_state
      ->getValue('table_name');
    $config = $this->config
      ->getRawData();
    if (isset($config[$table_name])) {
      $table_dependancy = [];
      foreach ($config as $table => $table_information) {
        if (strpos($table_information['column_relations'], $table_name) !== FALSE) {
          $table_dependancy[] = $table;
        }
      }
      if (!empty($table_dependancy)) {
        $dependent_table_names = implode(', ', $table_dependancy);
        $form_state
          ->setErrorByName('table_name', $this
          ->t("@table can not be deletede because @dependent_tables are dependent on @table.", [
          '@table' => $table_name,
          '@dependent_tables' => $dependent_table_names,
        ]));
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $table_name = $form_state
      ->getValue('table_name');
    $this->configEditable
      ->clear($table_name);
    $result = $this->configEditable
      ->save();
    if ($result) {
      drupal_set_message($this
        ->t('@table is removed from views custom table data.', [
        '@table' => $table_name,
      ]));
    }
    else {
      drupal_set_message($this
        ->t('Could not remove table from views view_custom_table.tables, please check log messages for error.'), 'error');
    }
    $form_state
      ->setRedirect('view_custom_table.customtable');
  }

  /**
   * Builds the cancel link url for the form.
   *
   * @return Drupal\Core\Url
   *   Cancel url
   */
  private function buildCancelLinkUrl() {
    $query = $this
      ->getRequest()->query;
    if ($query
      ->has('destination')) {
      $options = UrlHelper::parse($query
        ->get('destination'));
      $url = Url::fromUri('internal:/' . $options['path'], $options);
    }
    else {
      $url = Url::fromRoute('view_custom_table.customtable');
    }
    return $url;
  }

}

Classes

Name	Description
RemoveViewsCustomTable	Add views custom table form.