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<?php
namespace Drupal\context_groups\Form;
use Drupal\block\BlockRepositoryInterface;
use Drupal\context\ContextManager;
use Drupal\context\Entity\Context;
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\CloseModalDialogCommand;
use Drupal\Core\Ajax\RemoveCommand;
use Drupal\Core\Ajax\ReplaceCommand;
use Drupal\Core\Entity\EntityTypeManager;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element\StatusMessages;
use Symfony\Component\DependencyInjection\ContainerInterface;
class GroupAddForm extends FormBase {
protected $entityTypeManager;
protected $contextManager;
protected $entityQuery;
protected $context;
public function __construct(EntityTypeManager $entityTypeManager, ContextManager $contextManager) {
$this->entityTypeManager = $entityTypeManager;
$this->contextManager = $contextManager;
}
public static function create(ContainerInterface $container) {
return new static($container
->get('entity_type.manager'), $container
->get('context.manager'));
}
public function getFormId() {
return 'context-group-add-group';
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$this
->saveGroup($form_state);
}
public function buildForm(array $form, FormStateInterface $form_state, $context = NULL, $theme = NULL) {
$this->context = $this->entityTypeManager
->getStorage('context')
->load($context);
$form['group_name'] = [
'#type' => 'textfield',
'#title' => $this
->t('Group name'),
'#required' => TRUE,
];
$form['name'] = [
'#type' => 'machine_name',
'#title' => $this
->t('Machine name'),
'#machine_name' => [
'source' => [
'group_name',
],
'exists' => [
$this,
'groupExists',
],
],
];
$form['class'] = [
'#type' => 'textfield',
'#title' => $this
->t('Class'),
'#descriptions' => $this
->t('Set classes to group. Separate multiple classes with space.'),
];
$form['region'] = [
'#type' => 'select',
'#title' => $this
->t('Select region'),
'#options' => $this
->getRegionsList($theme),
'#description' => $this
->t('Select the region where this group should be inserted.'),
];
$form['context_id'] = [
'#type' => 'hidden',
'#value' => $context,
];
$form['theme'] = [
'#type' => 'hidden',
'#value' => $theme,
];
$form['submit'] = [
'#type' => 'submit',
'#value' => $this
->t('Add group'),
'#button_type' => 'primary',
'#ajax' => [
'callback' => '::submitFormAjax',
'wrapper' => 'context-group-add-group',
'effect' => 'fade',
],
];
return $form;
}
public function submitFormAjax(&$form, FormStateInterface $form_state) {
$contextForm = $this->contextManager
->getForm($this->context, 'edit');
$response = new AjaxResponse();
if ($form_state
->getErrors()) {
$output[] = StatusMessages::renderMessages(NULL);
$output[] = $form;
$response
->addCommand(new RemoveCommand('.messages.messages--error'));
$response
->addCommand(new ReplaceCommand('[id^="context-group-add-group"]', $output));
}
else {
$response
->addCommand(new CloseModalDialogCommand());
$response
->addCommand(new ReplaceCommand('#context-reactions', $contextForm['reactions']));
}
return $response;
}
private function getRegionsList($theme) {
return system_region_list($theme, BlockRepositoryInterface::REGIONS_ALL);
}
public function groupExists($name, array $element, FormStateInterface $form_state) {
$query = $this->entityTypeManager
->getStorage('context')
->getQuery();
$context_ids = $query
->execute();
$context_storage = $this->entityTypeManager
->getStorage('context');
foreach ($context_ids as $cid) {
$context = $context_storage
->load($cid);
$groups = $context
->getThirdPartySetting('context_groups', $name);
if (!empty($groups)) {
return TRUE;
}
}
return FALSE;
}
private function saveGroup(FormStateInterface $form_state) {
$cid = $form_state
->getValue('context_id');
$context = $this->entityTypeManager
->getStorage('context')
->load($cid);
$data['name'] = $form_state
->getValue('name');
$data['label'] = $form_state
->getValue('group_name');
$data['region'] = $form_state
->getValue('region');
$data['parent'] = '';
$data['weight'] = 0;
$data['theme'] = $form_state
->getValue('theme');
$data['class'] = $form_state
->getValue('class');
$context
->setThirdPartySetting('context_groups', $form_state
->getValue('name'), $data);
$context
->save();
}
}