diff modules/contrib/migrate_tools/src/Form/MigrationFormBase.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/contrib/migrate_tools/src/Form/MigrationFormBase.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,195 @@
+<?php
+
+namespace Drupal\migrate_tools\Form;
+
+use Drupal\Core\Entity\EntityForm;
+use Drupal\Core\Entity\Query\QueryFactory;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\migrate_plus\Entity\MigrationGroup;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\migrate\Plugin\MigrationInterface;
+
+/**
+ * Class MigrationFormBase.
+ *
+ * @package Drupal\migrate_tools\Form
+ *
+ * @ingroup migrate_tools
+ */
+class MigrationFormBase extends EntityForm {
+
+  /**
+   * @var \Drupal\Core\Entity\Query\QueryFactory
+   */
+  protected $entityQueryFactory;
+
+  /**
+   * Construct the MigrationGroupFormBase.
+   *
+   * For simple entity forms, there's no need for a constructor. Our migration form
+   * base, however, requires an entity query factory to be injected into it
+   * from the container. We later use this query factory to build an entity
+   * query for the exists() method.
+   *
+   * @param \Drupal\Core\Entity\Query\QueryFactory $query_factory
+   *   An entity query factory for the migration group entity type.
+   */
+  public function __construct(QueryFactory $query_factory) {
+    $this->entityQueryFactory = $query_factory;
+  }
+
+  /**
+   * Factory method for MigrationFormBase.
+   *
+   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
+   *   A container interface service.
+   *
+   * @return \Drupal\migrate_tools\Form\MigrationGroupFormBase
+   */
+  public static function create(ContainerInterface $container) {
+    return new static($container->get('entity.query'));
+  }
+
+  /**
+   * Overrides Drupal\Core\Entity\EntityFormController::form().
+   *
+   * Builds the entity add/edit form.
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   An associative array containing the current state of the form.
+   *
+   * @return array
+   *   An associative array containing the migration add/edit form.
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    // Get anything we need from the base class.
+    $form = parent::buildForm($form, $form_state);
+
+    /** @var MigrationInterface $migration */
+    $migration = $this->entity;
+
+    $form['warning'] = [
+      '#markup' => $this->t('Creating migrations is not yet supported. See <a href=":url">:url</a>', [
+        ':url' => 'https://www.drupal.org/node/2573241',
+      ])
+    ];
+
+    // Build the form.
+    $form['label'] = array(
+      '#type' => 'textfield',
+      '#title' => $this->t('Label'),
+      '#maxlength' => 255,
+      '#default_value' => $migration->label(),
+      '#required' => TRUE,
+    );
+    $form['id'] = array(
+      '#type' => 'machine_name',
+      '#title' => $this->t('Machine name'),
+      '#default_value' => $migration->id(),
+      '#machine_name' => array(
+        'exists' => array($this, 'exists'),
+        'replace_pattern' => '([^a-z0-9_]+)|(^custom$)',
+        'error' => 'The machine-readable name must be unique, and can only contain lowercase letters, numbers, and underscores. Additionally, it can not be the reserved word "custom".',
+      ),
+      '#disabled' => !$migration->isNew(),
+    );
+
+    $groups = MigrationGroup::loadMultiple();
+    $group_options = [];
+    foreach ($groups as $group) {
+      $group_options[$group->id()] = $group->label();
+    }
+    if (!$migration->get('migration_group') && isset($group_options['default'])) {
+      $migration->set('migration_group', 'default');
+    }
+
+    $form['migration_group'] = array(
+      '#type' => 'select',
+      '#title' => $this->t('Migration Group'),
+      '#empty_value' => '',
+      '#default_value' => $migration->get('migration_group'),
+      '#options' => $group_options,
+      '#description' => $this->t('Assign this migration to an existing group.'),
+    );
+
+    return $form;
+  }
+
+  /**
+   * Checks for an existing migration group.
+   *
+   * @param string|int $entity_id
+   *   The entity ID.
+   * @param array $element
+   *   The form element.
+   * @param FormStateInterface $form_state
+   *   The form state.
+   *
+   * @return bool
+   *   TRUE if this format already exists, FALSE otherwise.
+   */
+  public function exists($entity_id, array $element, FormStateInterface $form_state) {
+    // Use the query factory to build a new migration entity query.
+    $query = $this->entityQueryFactory->get('migration');
+
+    // Query the entity ID to see if its in use.
+    $result = $query->condition('id', $element['#field_prefix'] . $entity_id)
+      ->execute();
+
+    // We don't need to return the ID, only if it exists or not.
+    return (bool) $result;
+  }
+
+  /**
+   * Overrides Drupal\Core\Entity\EntityFormController::actions().
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   An associative array containing the current state of the form.
+   *
+   * @return array
+   *   An array of supported actions for the current entity form.
+   */
+  protected function actions(array $form, FormStateInterface $form_state) {
+    // Get the basic actins from the base class.
+    $actions = parent::actions($form, $form_state);
+
+    // Change the submit button text.
+    $actions['submit']['#value'] = $this->t('Save');
+
+    // Return the result.
+    return $actions;
+  }
+
+  /**
+   * Overrides Drupal\Core\Entity\EntityFormController::save().
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   An associative array containing the current state of the form.
+   *
+   * @return $this
+   */
+  public function save(array $form, FormStateInterface $form_state) {
+    $migration = $this->getEntity();
+    $status = $migration->save();
+
+    if ($status == SAVED_UPDATED) {
+      // If we edited an existing entity...
+      drupal_set_message($this->t('Migration %label has been updated.', array('%label' => $migration->label())));
+    }
+    else {
+      // If we created a new entity...
+      drupal_set_message($this->t('Migration %label has been added.', array('%label' => $migration->label())));
+    }
+
+    // Redirect the user back to the listing route after the save operation.
+    $form_state->setRedirect('entity.migration.list',
+      array('migration_group' => $migration->get('migration_group')));
+  }
+
+}