--- /dev/null
+<?php
+
+namespace Drupal\pathauto\Form;
+
+use Drupal\Core\Entity\EntityForm;
+use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\pathauto\AliasTypeManager;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Edit form for pathauto patterns.
+ */
+class PatternEditForm extends EntityForm {
+
+ /**
+ * @var \Drupal\pathauto\AliasTypeManager
+ */
+ protected $manager;
+
+ /**
+ * @var \Drupal\pathauto\PathautoPatternInterface
+ */
+ protected $entity;
+
+ /**
+ * The entity type bundle info service.
+ *
+ * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
+ */
+ protected $entityTypeBundleInfo;
+
+ /**
+ * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+ */
+ protected $entityTypeManager;
+
+ /**
+ * @var \Drupal\Core\Language\LanguageManagerInterface
+ */
+ protected $languageManager;
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container) {
+ return new static(
+ $container->get('plugin.manager.alias_type'),
+ $container->get('entity_type.bundle.info'),
+ $container->get('entity_type.manager'),
+ $container->get('language_manager')
+ );
+ }
+
+ /**
+ * PatternEditForm constructor.
+ *
+ * @param \Drupal\pathauto\AliasTypeManager $manager
+ * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
+ * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+ * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+ */
+ function __construct(AliasTypeManager $manager, EntityTypeBundleInfoInterface $entity_type_bundle_info, EntityTypeManagerInterface $entity_type_manager, LanguageManagerInterface $language_manager) {
+ $this->manager = $manager;
+ $this->entityTypeBundleInfo = $entity_type_bundle_info;
+ $this->entityTypeManager = $entity_type_manager;
+ $this->languageManager = $language_manager;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+
+ $options = [];
+ foreach ($this->manager->getVisibleDefinitions() as $plugin_id => $plugin_definition) {
+ $options[$plugin_id] = $plugin_definition['label'];
+ }
+ $form['type'] = [
+ '#type' => 'select',
+ '#title' => $this->t('Pattern type'),
+ '#default_value' => $this->entity->getType(),
+ '#options' => $options,
+ '#required' => TRUE,
+ '#limit_validation_errors' => array(array('type')),
+ '#submit' => array('::submitSelectType'),
+ '#executes_submit_callback' => TRUE,
+ '#ajax' => array(
+ 'callback' => '::ajaxReplacePatternForm',
+ 'wrapper' => 'pathauto-pattern',
+ 'method' => 'replace',
+ ),
+ ];
+
+ $form['pattern_container'] = [
+ '#type' => 'container',
+ '#prefix' => '<div id="pathauto-pattern">',
+ '#suffix' => '</div>',
+ ];
+
+ // if there is no type yet, stop here.
+ if ($this->entity->getType()) {
+
+ $alias_type = $this->entity->getAliasType();
+
+ $form['pattern_container']['pattern'] = array(
+ '#type' => 'textfield',
+ '#title' => 'Path pattern',
+ '#default_value' => $this->entity->getPattern(),
+ '#size' => 65,
+ '#maxlength' => 1280,
+ '#element_validate' => array('token_element_validate', 'pathauto_pattern_validate'),
+ '#after_build' => array('token_element_validate'),
+ '#token_types' => $alias_type->getTokenTypes(),
+ '#min_tokens' => 1,
+ '#required' => TRUE,
+ );
+
+ // Show the token help relevant to this pattern type.
+ $form['pattern_container']['token_help'] = array(
+ '#theme' => 'token_tree_link',
+ '#token_types' => $alias_type->getTokenTypes(),
+ );
+
+ // Expose bundle and language conditions.
+ if ($alias_type->getDerivativeId() && $entity_type = $this->entityTypeManager->getDefinition($alias_type->getDerivativeId())) {
+
+ $default_bundles = [];
+ $default_languages = [];
+ foreach ($this->entity->getSelectionConditions() as $condition_id => $condition) {
+ if (in_array($condition->getPluginId(), ['entity_bundle:' . $entity_type->id(), 'node_type'])) {
+ $default_bundles = $condition->getConfiguration()['bundles'];
+ }
+ elseif ($condition->getPluginId() == 'language') {
+ $default_languages = $condition->getConfiguration()['langcodes'];
+ }
+ }
+
+ if ($entity_type->hasKey('bundle') && $bundles = $this->entityTypeBundleInfo->getBundleInfo($entity_type->id())) {
+ $bundle_options = [];
+ foreach ($bundles as $id => $info) {
+ $bundle_options[$id] = $info['label'];
+ }
+ $form['pattern_container']['bundles'] = array(
+ '#title' => $entity_type->getBundleLabel(),
+ '#type' => 'checkboxes',
+ '#options' => $bundle_options,
+ '#default_value' => $default_bundles,
+ '#description' => $this->t('Check to which types this pattern should be applied. Leave empty to allow any.'),
+ );
+ }
+
+ if ($this->languageManager->isMultilingual() && $entity_type->isTranslatable()) {
+ $language_options = [];
+ foreach ($this->languageManager->getLanguages() as $id => $language) {
+ $language_options[$id] = $language->getName();
+ }
+ $form['pattern_container']['languages'] = array(
+ '#title' => $this->t('Languages'),
+ '#type' => 'checkboxes',
+ '#options' => $language_options,
+ '#default_value' => $default_languages,
+ '#description' => $this->t('Check to which languages this pattern should be applied. Leave empty to allow any.'),
+ );
+ }
+ }
+ }
+
+ $form['label'] = array(
+ '#type' => 'textfield',
+ '#title' => $this->t('Label'),
+ '#maxlength' => 255,
+ '#default_value' => $this->entity->label(),
+ '#required' => TRUE,
+ '#description' => $this->t('A short name to help you identify this pattern in the patterns list.'),
+ );
+
+ $form['id'] = array(
+ '#type' => 'machine_name',
+ '#title' => $this->t('ID'),
+ '#maxlength' => 255,
+ '#default_value' => $this->entity->id(),
+ '#required' => TRUE,
+ '#disabled' => !$this->entity->isNew(),
+ '#machine_name' => array(
+ 'exists' => 'Drupal\pathauto\Entity\PathautoPattern::load',
+ ),
+ );
+
+ $form['status'] = [
+ '#title' => $this->t('Enabled'),
+ '#type' => 'checkbox',
+ '#default_value' => $this->entity->status(),
+ ];
+
+ return parent::buildForm($form, $form_state);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public function buildEntity(array $form, FormStateInterface $form_state) {
+ /** @var \Drupal\pathauto\PathautoPatternInterface $entity */
+ $entity = parent::buildEntity($form, $form_state);
+
+ // Will only be used for new patterns.
+ $default_weight = 0;
+
+ $alias_type = $entity->getAliasType();
+ if ($alias_type->getDerivativeId() && $this->entityTypeManager->hasDefinition($alias_type->getDerivativeId())) {
+ $entity_type = $alias_type->getDerivativeId();
+ // First, remove bundle and language conditions.
+ foreach ($entity->getSelectionConditions() as $condition_id => $condition) {
+ if (in_array($condition->getPluginId(), ['entity_bundle:' . $entity_type, 'node_type', 'language'])) {
+ $entity->removeSelectionCondition($condition_id);
+ }
+ }
+
+ if ($bundles = array_filter((array) $form_state->getValue('bundles'))) {
+ $default_weight -= 5;
+ $plugin_id = $entity_type == 'node' ? 'node_type' : 'entity_bundle:' . $entity_type;
+ $entity->addSelectionCondition(
+ [
+ 'id' => $plugin_id,
+ 'bundles' => $bundles,
+ 'negate' => FALSE,
+ 'context_mapping' => [
+ $entity_type => $entity_type,
+ ]
+ ]
+ );
+ }
+
+ if ($languages = array_filter((array) $form_state->getValue('languages'))) {
+ $default_weight -= 5;
+ $language_mapping = $entity_type . ':' . $this->entityTypeManager->getDefinition($entity_type)->getKey('langcode') . ':language';
+ $entity->addSelectionCondition(
+ [
+ 'id' => 'language',
+ 'langcodes' => array_combine($languages, $languages),
+ 'negate' => FALSE,
+ 'context_mapping' => [
+ 'language' => $language_mapping,
+ ]
+ ]
+ );
+ $entity->addRelationship($language_mapping, t('Language'));
+ }
+
+ }
+
+ if ($entity->isNew()) {
+ $entity->setWeight($default_weight);
+ }
+
+ return $entity;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public function save(array $form, FormStateInterface $form_state) {
+ parent::save($form, $form_state);
+ drupal_set_message($this->t('Pattern @label saved.', ['@label' => $this->entity->label()]));
+ $form_state->setRedirectUrl($this->entity->toUrl('collection'));
+ }
+
+ /**
+ * Handles switching the type selector.
+ */
+ public function ajaxReplacePatternForm($form, FormStateInterface $form_state) {
+ return $form['pattern_container'];
+ }
+
+ /**
+ * Handles submit call when alias type is selected.
+ */
+ public function submitSelectType(array $form, FormStateInterface $form_state) {
+ $this->entity = $this->buildEntity($form, $form_state);
+ $form_state->setRebuild();
+ }
+
+}