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<?php
namespace Drupal\workflows\Form;
use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Form\SubformState;
use Drupal\Core\Plugin\PluginFormFactoryInterface;
use Drupal\workflows\StateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
class WorkflowStateAddForm extends EntityForm {
protected $pluginFormFactory;
public function __construct(PluginFormFactoryInterface $pluginFormFactory) {
$this->pluginFormFactory = $pluginFormFactory;
}
public static function create(ContainerInterface $container) {
return new static($container
->get('plugin_form.factory'));
}
public function getFormId() {
return 'workflow_state_add_form';
}
public function form(array $form, FormStateInterface $form_state) {
$form = parent::form($form, $form_state);
$workflow = $this
->getEntity();
$workflow_type = $workflow
->getTypePlugin();
$form['label'] = [
'#type' => 'textfield',
'#title' => $this
->t('State label'),
'#maxlength' => 255,
'#default_value' => '',
'#required' => TRUE,
];
$form['id'] = [
'#type' => 'machine_name',
'#machine_name' => [
'exists' => [
$this,
'exists',
],
],
];
if ($workflow_type
->hasFormClass(StateInterface::PLUGIN_FORM_KEY)) {
$form['type_settings'] = [
'#tree' => TRUE,
];
$subform_state = SubformState::createForSubform($form['type_settings'], $form, $form_state);
$form['type_settings'] += $this->pluginFormFactory
->createInstance($workflow_type, StateInterface::PLUGIN_FORM_KEY)
->buildConfigurationForm($form['type_settings'], $subform_state);
}
return $form;
}
public function exists($state_id) {
$original_workflow = \Drupal::entityTypeManager()
->getStorage('workflow')
->loadUnchanged($this
->getEntity()
->id());
return $original_workflow
->getTypePlugin()
->hasState($state_id);
}
protected function copyFormValuesToEntity(EntityInterface $entity, array $form, FormStateInterface $form_state) {
if (!$form_state
->isValidationComplete()) {
return;
}
$values = $form_state
->getValues();
$entity
->getTypePlugin()
->addState($values['id'], $values['label']);
}
public function validateForm(array &$form, FormStateInterface $form_state) {
parent::validateForm($form, $form_state);
$workflow = $this->entity;
$workflow_type = $workflow
->getTypePlugin();
if ($workflow_type
->hasFormClass(StateInterface::PLUGIN_FORM_KEY)) {
$subform_state = SubformState::createForSubform($form['type_settings'], $form, $form_state);
$this->pluginFormFactory
->createInstance($workflow_type, StateInterface::PLUGIN_FORM_KEY)
->validateConfigurationForm($form['type_settings'], $subform_state);
}
}
public function save(array $form, FormStateInterface $form_state) {
$workflow = $this->entity;
$workflow_type = $workflow
->getTypePlugin();
$state = $workflow_type
->getState($form_state
->getValue('id'));
if ($workflow_type
->hasFormClass(StateInterface::PLUGIN_FORM_KEY)) {
$subform_state = SubformState::createForSubform($form['type_settings'], $form, $form_state);
$subform_state
->set('state', $state);
$this->pluginFormFactory
->createInstance($workflow_type, StateInterface::PLUGIN_FORM_KEY)
->submitConfigurationForm($form['type_settings'], $subform_state);
}
$workflow
->save();
$this
->messenger()
->addStatus($this
->t('Created %label state.', [
'%label' => $workflow
->getTypePlugin()
->getState($form_state
->getValue('id'))
->label(),
]));
$form_state
->setRedirectUrl($workflow
->toUrl('edit-form'));
}
protected function actions(array $form, FormStateInterface $form_state) {
$actions['submit'] = [
'#type' => 'submit',
'#value' => $this
->t('Save'),
'#submit' => [
'::submitForm',
'::save',
],
];
return $actions;
}
}