ThemeKeyRuleChainForm.php in ThemeKey 8

Namespace

Drupal\themekey\Form

File

src/Form/ThemeKeyRuleChainForm.php

<?php

namespace Drupal\themekey\Form;

use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;
use Drupal\themekey\RuleChainManagerTrait;

/**
 * Provides a form for administering the ThemeKey rule chain.
 */
class ThemeKeyRuleChainForm extends ConfigFormBase {
  use RuleChainManagerTrait;

  /**
   * Gets the ThemeKey Rule Chain manager.
   *
   * @return \Drupal\themekey\RuleChainManagerInterface
   *   The ThemeKey Rule Chain manager.
   */
  protected function getRuleChainManager() {
    if (!$this->ruleChainManager) {
      $this->ruleChainManager = \Drupal::service('themekey.rule_chain_manager');
      $this->ruleChainManager
        ->setRuleChainConfig($this
        ->config('themekey.rule_chain'));
    }
    return $this->ruleChainManager;
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $ruleChainManager = $this
      ->getRuleChainManager();
    if (!$form_state
      ->isSubmitted()) {
      $ruleChainManager
        ->rebuildChain();
    }
    $form['#title'] = $this
      ->t('ThemeKey Rule Chain');
    $form['table'] = array(
      '#theme' => 'themekey_rule_chain_table',
      '#tree' => TRUE,
    );
    $depth = 0;
    $ruleChain = $ruleChainManager
      ->getChain();
    foreach ($ruleChain as $ruleId => $ruleMetaData) {
      $form['table'][$ruleId] = array(
        '#type' => 'fieldset',
        '#title' => $ruleId,
      );
      $form['table'][$ruleId]['enabled'] = array(
        '#type' => 'checkbox',
        '#title' => $this
          ->t('Enabled'),
        '#default_value' => $ruleMetaData['enabled'],
      );
      $form['table'][$ruleId]['weight'] = array(
        '#type' => 'weight',
        '#title' => $this
          ->t('Weight'),
        '#default_value' => $ruleMetaData['weight'],
        '#delta' => 100,
      );
      $form['table'][$ruleId]['parent'] = array(
        '#type' => 'textfield',
        '#title' => $this
          ->t('Parent'),
        '#default_value' => $ruleMetaData['parent'],
      );
      $form['table'][$ruleId]['depth'] = array(
        '#type' => 'value',
        '#value' => $ruleMetaData['depth'],
      );
    }
    $form['save'] = array(
      '#type' => 'submit',
      '#value' => $this
        ->t('Save rule chain'),
    );
    return $form;
  }

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

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $chain = array();
    foreach (Element::children($form['table']) as $ruleId) {
      $parent = $form_state
        ->getValue(array(
        'table',
        $ruleId,
        'parent',
      ));
      $chain[$ruleId] = array(
        'weight' => $form_state
          ->getValue(array(
          'table',
          $ruleId,
          'weight',
        )),
        'parent' => $parent ?: NULL,
        'enabled' => $form_state
          ->getValue(array(
          'table',
          $ruleId,
          'enabled',
        )),
      );
    }
    $ruleChainManager = $this
      ->getRuleChainManager();
    $ruleChainManager
      ->setChain($chain);
    drupal_set_message($this
      ->t('The rule chain has been saved.'));
  }

}

Classes

Name	Description
ThemeKeyRuleChainForm	Provides a form for administering the ThemeKey rule chain.