<?php

namespace DrupalCodeBuilder\Generator;

use CaseConverter\CaseString;

use DrupalCodeBuilder\Definition\PropertyDefinition;

/**

* Generator class for entity form handlers.

*

* Extend from EntityHandler rather than Form, as core's base EntityForm class

* does a lot of the form work.

*/

class EntityForm extends EntityHandler {

/**

* {@inheritdoc}

*/

public static function getPropertyDefinition(): PropertyDefinition {

$definition = parent::getPropertyDefinition();

$definition->addProperties([

// The entity link template that the form save() method redirects to.

'redirect_link_template' => PropertyDefinition::create('string')

->setInternal(TRUE),

]);

return $definition;

}

/**

* {@inheritdoc}

*/

public function requiredComponents(): array {

$components = [

// Request the form functions.

// Note that for entity forms, buildForm() shouldn't be used, but form()

// instead. (DrupalWTF!)

'form' => [

'component_type' => 'FormBuilder',

'containing_component' => '%requester',

'docblock_inherit' => TRUE,

'function_name' => 'form',

'body' => [

'$form = parent::form($form, $form_state);',

'return $form;',

],

],

'validateForm' => [

'component_type' => 'PHPFunction',

'function_name' => 'validateForm',

'containing_component' => '%requester',

'docblock_inherit' => TRUE,

'declaration' => 'public function validateForm(array &$form, \Drupal\Core\Form\FormStateInterface $form_state)',

'body' => [

'parent::validateForm($form, $form_state);'

],

],

'submitForm' => [

'component_type' => 'PHPFunction',

'function_name' => 'submitForm',

'containing_component' => '%requester',

'docblock_inherit' => TRUE,

'declaration' => 'public function submitForm(array &$form, \Drupal\Core\Form\FormStateInterface $form_state)',

'body' => [

'parent::submitForm($form, $form_state);'

],

],

'save' => [

'component_type' => 'PHPFunction',

'function_name' => 'save',

'containing_component' => '%requester',

'docblock_inherit' => TRUE,

'declaration' => 'public function save(array $form, \Drupal\Core\Form\FormStateInterface $form_state)',

'body' => [

'$saved = parent::save($form, $form_state);',

"£form_state->setRedirectUrl(£this->entity->toUrl('{$this->component_data['redirect_link_template']}'));",

'',

'return $saved;',

],

],

];

return $components;

}

}