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<?php
namespace Drupal\bat_fullcalendar\Form;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\Entity\EntityFormDisplay;
use Drupal\Core\Field\FieldItemList;
use Drupal\Core\Entity\Plugin\DataType\EntityAdapter;
use Drupal\Core\Render\RendererInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
class FullcalendarEventManagerForm extends FormBase {
protected $entityTypeManager;
protected $entityFieldManager;
protected $renderer;
public function __construct(EntityTypeManagerInterface $entity_manager, EntityFieldManagerInterface $entity_field_manager, RendererInterface $renderer) {
$this->entityTypeManager = $entity_manager;
$this->entityFieldManager = $entity_field_manager;
$this->renderer = $renderer;
}
public static function create(ContainerInterface $container) {
return new static($container
->get('entity_type.manager'), $container
->get('entity_field.manager'), $container
->get('renderer'));
}
public function getFormId() {
return 'bat_fullcalendar_event_manager_form';
}
public function buildForm(array $form, FormStateInterface $form_state, $entity_id = 0, $event_type = 0, $event_id = 0, $start_date = 0, $end_date = 0) {
if (!isset($form_state
->getUserInput()['form_id'])) {
$form_state
->getUserInput()['form_id'] = '';
}
$new_event_id = $event_id;
if ($form_state
->getValue('change_event_status')) {
$new_event_id = $form_state
->getValue('change_event_status');
}
$form['#attributes']['class'][] = 'bat-management-form bat-event-form';
$form['#prefix'] = '<div id="replace_textfield_div">';
$form['#suffix'] = '</div>';
$form['entity_id'] = [
'#type' => 'hidden',
'#value' => $entity_id,
];
$form['event_type'] = [
'#type' => 'hidden',
'#value' => $event_type
->id(),
];
$form['event_id'] = [
'#type' => 'hidden',
'#value' => $event_id,
];
$form['bat_start_date'] = [
'#type' => 'hidden',
'#value' => $start_date
->format('Y-m-d H:i:s'),
];
$form['bat_end_date'] = [
'#type' => 'hidden',
'#value' => $end_date
->format('Y-m-d H:i:s'),
];
$unit = $this->entityTypeManager
->getStorage($event_type
->getTargetEntityType())
->load($entity_id);
$form['event_title'] = [
'#prefix' => '<h2>',
'#markup' => t('@unit_name', [
'@unit_name' => $unit
->label(),
]),
'#suffix' => '</h2>',
];
$date_format = $this
->configFactory()
->get('bat.settings')
->get('date_format') ?: 'Y-m-d H:i';
$form['event_details'] = [
'#prefix' => '<div class="event-details">',
'#markup' => t('Date range selected: @startdate to @enddate', [
'@startdate' => $start_date
->format($date_format),
'@enddate' => $end_date
->format($date_format),
]),
'#suffix' => '</div>',
];
if ($event_type
->getFixedEventStates()) {
$state_options = bat_unit_state_options($event_type
->id());
$form['change_event_status'] = [
'#title' => t('Change the state for this event to') . ': ',
'#type' => 'select',
'#options' => $state_options,
'#ajax' => [
'callback' => '::ajaxEventStatusChange',
'wrapper' => 'replace_textfield_div',
],
'#empty_option' => t('- Select -'),
];
}
else {
if (isset($event_type->default_event_value_field_ids) && !empty($event_type->default_event_value_field_ids)) {
$field_name = $event_type->default_event_value_field_ids;
$form['field_name'] = [
'#type' => 'hidden',
'#value' => $field_name,
];
$field_definition = $this->entityFieldManager
->getFieldDefinitions('bat_event', $event_type
->id())[$field_name];
$items = new FieldItemList($field_definition, NULL, EntityAdapter::createFromEntity(bat_event_create([
'type' => $event_type
->id(),
])));
$form_display = EntityFormDisplay::load('bat_event.' . $event_type
->id() . '.default');
$widget = $form_display
->getRenderer($field_name);
$form['#parents'] = [];
$form[$field_name] = $widget
->form($items, $form, $form_state);
$form[$field_name]['#weight'] = 1;
$form['submit'] = [
'#type' => 'submit',
'#value' => t('Update value'),
'#weight' => 2,
'#ajax' => [
'callback' => '::eventManagerAjaxSubmit',
'wrapper' => 'replace_textfield_div',
],
];
}
}
return $form;
}
public function ajaxEventStatusChange($form, FormStateInterface $form_state) {
$values = $form_state
->getValues();
$start_date = new \DateTime($values['bat_start_date']);
$end_date = new \DateTime($values['bat_end_date']);
$entity_id = $values['entity_id'];
$event_id = $values['event_id'];
$event_type = $values['event_type'];
$state_id = $values['change_event_status'];
$event = bat_event_create([
'type' => $event_type,
]);
$event->uid = $this
->currentUser()
->id();
$event_dates = [
'value' => $start_date
->format('Y-m-d\\TH:i:00'),
'end_value' => $end_date
->format('Y-m-d\\TH:i:00'),
];
$event
->set('event_dates', $event_dates);
$event_type_entity = bat_event_type_load($event_type);
$target_field_name = 'event_' . $event_type_entity
->getTargetEntityType() . '_reference';
$event
->set($target_field_name, $entity_id);
$event
->set('event_state_reference', $state_id);
$event
->save();
$state_options = bat_unit_state_options($event_type);
$form['form_wrapper_bottom'] = [
'#prefix' => '<div>',
'#markup' => t('New Event state is <strong>@state</strong>.', [
'@state' => $state_options[$state_id],
]),
'#suffix' => '</div>',
'#weight' => 9,
];
return $form;
}
public function eventManagerAjaxSubmit($form, FormStateInterface $form_state) {
$values = $form_state
->getValues();
$start_date = new \DateTime($values['bat_start_date']);
$end_date = new \DateTime($values['bat_end_date']);
$entity_id = $values['entity_id'];
$event_id = $values['event_id'];
$event_type = $values['event_type'];
$field_name = $values['field_name'];
$event = bat_event_create([
'type' => $event_type,
]);
$event->uid = $this
->currentUser()
->id();
$event_dates = [
'value' => $start_date
->format('Y-m-d\\TH:i:00'),
'end_value' => $end_date
->format('Y-m-d\\TH:i:00'),
];
$event
->set('event_dates', $event_dates);
$event_type_entity = bat_event_type_load($event_type);
$target_field_name = 'event_' . $event_type_entity
->getTargetEntityType() . '_reference';
$event
->set($target_field_name, $entity_id);
$event
->set($field_name, $values[$field_name]);
$event
->save();
$unit = $this->entityTypeManager
->getStorage($event_type_entity
->getTargetEntityType())
->load($entity_id);
$elements = $event->{$field_name}
->view([
'label' => 'hidden',
]);
$value = $this->renderer
->render($elements);
$form['form_wrapper_bottom'] = [
'#prefix' => '<div>',
'#markup' => t('Value for <b>@name</b> changed to <b>@value</b>', [
'@name' => $unit
->label(),
'@value' => trim(strip_tags($value
->__toString())),
]),
'#suffix' => '</div>',
'#weight' => 9,
];
return $form;
}
public function validateForm(array &$form, FormStateInterface $form_state) {
}
public function submitForm(array &$form, FormStateInterface $form_state) {
}
}