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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\Url;
/**
* Class WorkflowStateEditForm.
*/
class WorkflowStateEditForm extends EntityForm {
/**
* The ID of the state that is being edited.
*
* @var string
*/
protected $stateId;
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'workflow_state_edit_form';
}
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/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state, $workflow_state = NULL) {
$this->stateId = $workflow_state;
return parent::buildForm($form, $form_state);
}
/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state) {
$form = parent::form($form, $form_state);
/* @var \Drupal\workflows\WorkflowInterface $workflow */
$workflow = $this->getEntity();
$state = $workflow->getState($this->stateId);
$form['label'] = [
'#type' => 'textfield',
'#title' => $this->t('Label'),
'#maxlength' => 255,
'#default_value' => $state->label(),
'#description' => $this->t('Label for the state.'),
'#required' => TRUE,
];
$form['id'] = [
'#type' => 'machine_name',
'#default_value' => $this->stateId,
'#machine_name' => [
'exists' => [$this, 'exists'],
],
'#disabled' => TRUE,
];
// Add additional form fields from the workflow type plugin.
$form['type_settings'] = [
$workflow->get('type') => $workflow->getTypePlugin()->buildStateConfigurationForm($form_state, $workflow, $state),
'#tree' => TRUE,
];
$header = [
'label' => $this->t('Transition'),
'state' => $this->t('To'),
'operations' => $this->t('Operations'),
];
$form['transitions'] = [
'#type' => 'table',
'#header' => $header,
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'#empty' => $this->t('There are no transitions to or from this state yet.'),
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];
foreach ($state->getTransitions() as $transition) {
$links['edit'] = [
'title' => $this->t('Edit'),
'url' => Url::fromRoute('entity.workflow.edit_transition_form', [
'workflow' => $workflow->id(),
'workflow_transition' => $transition->id()
]),
];
$links['delete'] = [
'title' => t('Delete'),
'url' => Url::fromRoute('entity.workflow.delete_transition_form', [
'workflow' => $workflow->id(),
'workflow_transition' => $transition->id()
]),
];
$form['transitions'][$transition->id()] = [
'label' => [
'#markup' => $transition->label(),
],
'state' => [
'#markup' => $transition->to()->label(),
],
'operations' => [
'#type' => 'operations',
'#links' => $links,
],
];
}
return $form;
}
/**
* Copies top-level form values to entity properties
*
* This form can only change values for a state, which is part of workflow.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity the current form should operate upon.
* @param array $form
* A nested array of form elements comprising the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*/
protected function copyFormValuesToEntity(EntityInterface $entity, array $form, FormStateInterface $form_state) {
/** @var \Drupal\workflows\WorkflowInterface $entity */
$values = $form_state->getValues();
$entity->setStateLabel($values['id'], $values['label']);
if (isset($values['type_settings'])) {
$configuration = $entity->getTypePlugin()->getConfiguration();
$configuration['states'][$values['id']] += $values['type_settings'][$entity->getTypePlugin()->getPluginId()];
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$entity->set('type_settings', $configuration);
}
}
/**
* {@inheritdoc}
*/
public function save(array $form, FormStateInterface $form_state) {
/** @var \Drupal\workflows\WorkflowInterface $workflow */
$workflow = $this->entity;
$workflow->save();
drupal_set_message($this->t('Saved %label state.', [
'%label' => $workflow->getState($this->stateId)->label(),
]));
$form_state->setRedirectUrl($workflow->toUrl('edit-form'));
}
/**
* {@inheritdoc}
*/
protected function actions(array $form, FormStateInterface $form_state) {
$actions['submit'] = [
'#type' => 'submit',
'#value' => $this->t('Save'),
'#submit' => ['::submitForm', '::save'],
];
$actions['delete'] = [
'#type' => 'link',
'#title' => $this->t('Delete'),
'#access' => $this->entity->access('delete-state:' . $this->stateId),
'#attributes' => [
'class' => ['button', 'button--danger'],
],
'#url' => Url::fromRoute('entity.workflow.delete_state_form', [
'workflow' => $this->entity->id(),
'workflow_state' => $this->stateId
])
];
return $actions;
}
}