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<?php
namespace Drupal\workflows\Form;
use Drupal\Component\Plugin\PluginManagerInterface;
use Drupal\workflows\Entity\Workflow;
use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Form for adding workflows.
*/
class WorkflowAddForm extends EntityForm {
/**
* The workflow type plugin manager.
*
* @var \Drupal\Component\Plugin\PluginManagerInterface
*/
protected $workflowTypePluginManager;
/**
* WorkflowAddForm constructor.
*
* @param \Drupal\Component\Plugin\PluginManagerInterface $workflow_type_plugin_manager
* The workflow type plugin manager.
*/
public function __construct(PluginManagerInterface $workflow_type_plugin_manager) {
$this->workflowTypePluginManager = $workflow_type_plugin_manager;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('plugin.manager.workflows.type')
);
}
/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state) {
$form = parent::form($form, $form_state);
/* @var \Drupal\workflows\WorkflowInterface $workflow */
$workflow = $this->entity;
$form['label'] = [
'#type' => 'textfield',
'#title' => $this->t('Label'),
'#maxlength' => 255,
'#default_value' => $workflow->label(),
'#description' => $this->t('Label for the Workflow.'),
'#required' => TRUE,
];
$form['id'] = [
'#type' => 'machine_name',
'#default_value' => $workflow->id(),
'#machine_name' => [
'exists' => [Workflow::class, 'load'],
],
];
$workflow_types = array_map(function ($plugin_definition) {
return $plugin_definition['label'];
}, $this->workflowTypePluginManager->getDefinitions());
$form['workflow_type'] = [
'#type' => 'select',
'#title' => $this->t('Workflow type'),
'#required' => TRUE,
'#options' => $workflow_types,
];
return $form;
}
/**
* {@inheritdoc}
*/
public function save(array $form, FormStateInterface $form_state) {
/* @var \Drupal\workflows\WorkflowInterface $workflow */
$workflow = $this->entity;
// Initialize the workflow using the selected type plugin.
$workflow = $workflow->getTypePlugin()->initializeWorkflow($workflow);
$return = $workflow->save();
if (empty($workflow->getStates())) {
drupal_set_message($this->t('Created the %label Workflow. In order for the workflow to be enabled there needs to be at least one state.', [
'%label' => $workflow->label(),
]));
$form_state->setRedirectUrl($workflow->toUrl('add-state-form'));
}
else {
drupal_set_message($this->t('Created the %label Workflow.', [
'%label' => $workflow->label(),
]));
$form_state->setRedirectUrl($workflow->toUrl('edit-form'));
}
return $return;
}
/**
* {@inheritdoc}
*/
protected function copyFormValuesToEntity(EntityInterface $entity, array $form, FormStateInterface $form_state) {
// This form can only set the workflow's ID, label and the weights for each
// state.
/** @var \Drupal\workflows\WorkflowInterface $entity */
$values = $form_state->getValues();
$entity->set('label', $values['label']);
$entity->set('id', $values['id']);
$entity->set('type', $values['workflow_type']);
}
}