View source
<?php
namespace Drupal\blocktabs\Form;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormState;
use Drupal\Core\Form\FormStateInterface;
use Drupal\blocktabs\ConfigurableTabInterface;
use Drupal\blocktabs\BlocktabsInterface;
use Drupal\Component\Plugin\Exception\PluginNotFoundException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
abstract class TabFormBase extends FormBase {
protected $blocktabs;
protected $tab;
public function getFormId() {
return 'tab_form';
}
public function buildForm(array $form, FormStateInterface $form_state, BlocktabsInterface $blocktabs = NULL, $tab = NULL) {
$this->blocktabs = $blocktabs;
try {
$this->tab = $this
->prepareTab($tab);
} catch (PluginNotFoundException $e) {
throw new NotFoundHttpException("Invalid tab id: '{$tab}'.");
}
$request = $this
->getRequest();
if (!$this->tab instanceof ConfigurableTabInterface) {
throw new NotFoundHttpException();
}
$form['#attached']['library'][] = 'blocktabs/admin';
$form['uuid'] = [
'#type' => 'hidden',
'#value' => $this->tab
->getUuid(),
];
$form['id'] = [
'#type' => 'hidden',
'#value' => $this->tab
->getPluginId(),
];
$form['title'] = [
'#type' => 'textfield',
'#title' => $this
->t('Tab title'),
'#default_value' => $this->tab
->getTitle(),
'#required' => TRUE,
];
$form['data'] = $this->tab
->buildConfigurationForm([], $form_state);
$form['data']['#tree'] = TRUE;
$form['weight'] = [
'#type' => 'hidden',
'#value' => $request->query
->has('weight') ? (int) $request->query
->get('weight') : $this->tab
->getWeight(),
];
$form['actions'] = [
'#type' => 'actions',
];
$form['actions']['submit'] = [
'#type' => 'submit',
'#button_type' => 'primary',
];
$form['actions']['cancel'] = [
'#type' => 'link',
'#title' => $this
->t('Cancel'),
'#url' => $this->blocktabs
->toUrl('edit-form'),
'#attributes' => [
'class' => [
'button',
],
],
];
return $form;
}
public function validateForm(array &$form, FormStateInterface $form_state) {
$tab_data = (new FormState())
->setValues($form_state
->getValue('data'));
$this->tab
->validateConfigurationForm($form, $tab_data);
$form_state
->setValue('data', $tab_data
->getValues());
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$form_state
->cleanValues();
$tab_data = (new FormState())
->setValues($form_state
->getValue('data'));
$this->tab
->submitConfigurationForm($form, $tab_data);
$form_state
->setValue('data', $tab_data
->getValues());
$this->tab
->setTitle($form_state
->getValue('title'));
$this->tab
->setWeight($form_state
->getValue('weight'));
if (!$this->tab
->getUuid()) {
$this->blocktabs
->addTab($this->tab
->getConfiguration());
}
else {
$uuid = $this->tab
->getUuid();
$config = $this->tab
->getConfiguration();
$this->blocktabs
->getTabs()
->setInstanceConfiguration($uuid, $config);
}
$this->blocktabs
->save();
\Drupal::messenger()
->addMessage($this
->t('The tab was successfully applied.'));
$form_state
->setRedirectUrl($this->blocktabs
->toUrl('edit-form'));
}
protected abstract function prepareTab($tab);
}