[英]Pre-filling a field of a Symfony form of type EntityType
I'm working on a Symfony project and I'm currently encountering a problem with a form that I want to pre-fill from a collection of objects.我正在处理一个 Symfony 项目,我目前遇到了一个问题,我想从一组对象中预填充一个表单。
The form field in question is of type EntityType::class.有问题的表单字段的类型为 EntityType::class。 I would like to pre-select elements of this field from a collection that contains objects of the same type(Classe).
我想从包含相同类型(类)对象的集合中预选该字段的元素。
One of the solutions I found is to add a 'data' => $defaultClass property in the buildForm, which would contain the data to be inserted, and to pass this object in the parameters($options) on the formBuilder.我找到的解决方案之一是在 buildForm 中添加一个 'data' => $defaultClass 属性,它将包含要插入的数据,并在 formBuilder 的参数($options)中传递这个对象。 Unfortunately, the two objects of type Classe do not appear in the field once the form is generated even though the $options variable contains the objects.
不幸的是,即使 $options 变量包含对象,一旦生成表单,Classe 类型的两个对象就不会出现在字段中。
Thanks in advance for your help.在此先感谢您的帮助。 Here are the codes concerned :
以下是相关代码:
SearchCourseData搜索课程数据
<?php
namespace App\Data;
use App\Entity\Classe;
use App\Entity\Teacher;
use App\Entity\Location;
class SearchCourseData
{
/**
* @var integer
*/
public $page = 1;
/**
* @var Classe[]
*/
public $classe = [];
// Missing lines
/**
* @var String
*/
public $status;
}
Code SearchCourseForm代码搜索课程表
class SearchCourseForm extends AbstractType {
public function buildForm(FormBuilderInterface $builder, array $options) {
$defaultClass = new Classe();
if (!empty($options['data']->classe)) {
$defaultClass = $options["data"]->classe;
}
$builder
->add('classe', EntityType::class, [
'class' => Classe::class,
'label' => false,
'required' => false,
'expanded' => false,
'multiple' => true,
'query_builder' => function (ClasseRepository $qb) {
return $qb->createQueryBuilder('a')->orderBy('a.title', 'ASC');
},
'choice_label' => function (Classe $atelier) {
return($atelier->getTitle());
},
'attr' => [
'placeholder' => 'Atelier',
'class' => 'select-classes'
],
'data' => $defaultClass,
])
>add('status', ChoiceType::class, [
'required' => true,
'choices' => [
'Disponible' => "Disponible",
'Brouillon' => "Brouillon",
'Archivé' => "Archivé"
],
'label' => false,
])
;
}
public function configureOptions(OptionsResolver $resolver) {
$resolver->setDefaults([
'data_class' => SearchCourseData::class,
'method' => 'GET',
'csrf_protection' => false
]);
}
public function getBlockPrefix() {
return '';
}
}
Code CourseController代码课程控制器
/**
* @Route("/course")
*/
class CourseController extends AbstractController {
/**
* @Route("/",name="course")
*/
public function courseList(CourseRepository $courseRepository, Request $request) {
$data = new SearchCourseData();
$defaultClassB = $this->getDoctrine()->getRepository(Classe::class)->find(49);
$defaultClassA = $this->getDoctrine()->getRepository(Classe::class)->find(1);
$defaultClass[] = new ArrayCollection();
$defaultClass[0] = $defaultClassA;
$defaultClass[1] = $defaultClassB;
$data->classe = $defaultClass;
$form = $this->createForm(SearchCourseForm::class, $data);
}
}
@V-light is right you are setting a collection in an index of an array - then overwrite it... @V-light 是对的,您正在数组的索引中设置一个集合-然后覆盖它...
$defaultClass[] = new ArrayCollection();
// === $defaultClass[0] = new ArrayCollection();
the correct and easiest way would be:正确和最简单的方法是:
/**
* @Route("/course")
*/
class CourseController extends AbstractController {
/**
* @Route("/",name="course")
*/
public function courseList(CourseRepository $courseRepository, Request $request) {
$data = new SearchCourseData();
$data->classe = $this->getDoctrine()->getRepository(Classe::class)->findById([49, 1]);
$form = $this->createForm(SearchCourseForm::class, $data);
}
}
EDIT - the corrected form: 'data' of classe gets set by the ModelTransformer automaticly.编辑 - 更正的形式:类的“数据”由 ModelTransformer 自动设置。
class SearchCourseForm extends AbstractType {
public function buildForm(FormBuilderInterface $builder, array $options) {
$builder
->add('classe', EntityType::class, [
'class' => Classe::class,
'label' => false,
'required' => false,
'expanded' => false,
'multiple' => true,
'query_builder' => function (ClasseRepository $qb) {
return $qb->createQueryBuilder('a')->orderBy('a.title', 'ASC');
},
'choice_label' => function (Classe $atelier) {
return($atelier->getTitle());
},
'attr' => [
'placeholder' => 'Atelier',
'class' => 'select-classes'
],
])
>add('status', ChoiceType::class, [
'required' => true,
'choices' => [
'Disponible' => "Disponible",
'Brouillon' => "Brouillon",
'Archivé' => "Archivé"
],
'label' => false,
])
;
}
public function configureOptions(OptionsResolver $resolver) {
$resolver->setDefaults([
'data_class' => SearchCourseData::class,
'method' => 'GET',
'csrf_protection' => false
]);
}
}
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