CustomFilterRulesDeleteForm.php in Custom filter 8

Namespace

Drupal\customfilter\Form

File

src/Form/CustomFilterRulesDeleteForm.php

<?php

namespace Drupal\customfilter\Form;


// Base class for form that delete a configuration entity.
use Drupal\Core\Form\ConfirmFormBase;

// Use base class for Url.
use Drupal\Core\Url;

// Need for FormStateInterface.
use Drupal\Core\Form\FormStateInterface;

// Need for the entity.
use Drupal\customfilter\Entity\CustomFilter;

/**
 * Builds the form to delete a Custom Filter.
 */
class CustomFilterRulesDeleteForm extends ConfirmFormBase {

  /**
   * The customfilter with the rule to delete.
   *
   * @var \Drupal\customfilter\Entity\CustomFilter
   */
  protected $customfilter;

  /**
   * The rule to delete.
   */
  protected $rule;

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, CustomFilter $customfilter = NULL, $rule_id = NULL) {
    $this->customfilter = $customfilter;
    $this->rule = $this->customfilter
      ->getRule($rule_id);
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Are you sure you want to delete %name?', array(
      '%name' => $this->rule['name'],
    ));
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('customfilter.rules.list', array(
      'customfilter' => $this->customfilter
        ->id(),
    ));
  }

  /**
   * {@inheritdoc}
   */
  public function getConfirmText() {
    return $this
      ->t('Delete');
  }

  /**
   * {@inheritdoc}
   */
  public function getDescription() {
    return $this
      ->t('This will delete the rule %name and all sub-rules. This
      action cannot be undone.', array(
      '%name' => $this->rule['name'],
    ));
  }

  /**
   * Returns a unique string identifying the form.
   *
   * @return string
   *   The unique string identifying the form.
   */
  public function getFormId() {
    return 'customfilter_rules_delete_form';
  }

  /**
   * Form submission handler.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->customfilter
      ->deleteRule($this->rule['rid']);
    $this->customfilter
      ->save();
    drupal_set_message($this
      ->t('The rule %label has been deleted.', array(
      '%label' => $this->rule['name'],
    )));
    $form_state
      ->setRedirect('customfilter.rules.list', array(
      'customfilter' => $this->customfilter
        ->id(),
    ));
  }

}

Classes

Name	Description
CustomFilterRulesDeleteForm	Builds the form to delete a Custom Filter.