Question

我有一个实体：

class UserSettings
{
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     *
     * @ORM\OneToOne(targetEntity="User")
     * @ORM\JoinColumn(name="id", referencedColumnName="id")
     */
     private $id;
     /**
     * @var string
     *
     * @ORM\Column(name="background_color", type="string", length=10)
     */
     private $background_color;

     /**
     * @var string
     *
     * @ORM\Column(name="text_color", type="string", length=10)
     */
     private $text_color;
     .....

我在该实体的存储库中有一个方法，如果该用户的记录存在则返回用户的设置，否则返回默认值。这是方法：

public function getUserSettings( $user_id )
{

    $user_preferences = $this->findOneBy(array('id' => $user_id));

    if($user_preferences){
        return array(
            'user_preferences' => array(
                            'background_color' => $user_preferences->getBackgroundColor(),
                            'text_color' => $user_preferences->getTextColor()
            )
        );
    }else{
        return array(
            'user_preferences' => array(
                            'background_color' => '#000000',
                            'text_color' => '#FFFFFF'
            )
        );
    }
}

我有一个userSettingsType：

public function buildForm(FormBuilderInterface $builder, array $options)
{
    $builder
        ->add('background_color', TextType::class)
        ->add('text_color', TextType::class)
    ;
}
public function configureOptions(OptionsResolver $resolver)
{
    $resolver->setDefaults(array(
        'data_class' => 'AppBundle\Entity\UserSettings',
    ));
}

和控制器：

public function usersettingsAction(Request $request)
{
    $user = $this->get('security.token_storage')->getToken()->getUser();

    $data = $request->request->all();
    $user_settings = new UserSettings();
    $form = $this->createForm(UserSettingsType::class, $user_settings);
    $form->handleRequest($request);

    if ($form->isSubmitted() && $form->isValid()) {

        $em = $this->getDoctrine()->getManager();
        $em->persist($user_settings);
        $em->flush();
    }

    return $this->render('user/user_settings.html.twig', $user_settings );
}

问题是：如何在第一次加载时使用存储库方法getUserSettings（）来水合表单字段？

我找到的帖子/答案/教程/烹饪书都没有帮我解决这个问题。

Answer 1

您可以将UserSettingsType定义为服务以注入服务容器以访问doctrine存储库，然后在表单类型中使用PRE_SET_DATA表单事件（请查看doc有关formEvents的信息）：

1-将您的表单类型声明为服务注入服务容器

form.type.user_setting:
        class: YourProject\YourBundle\Form\Type\UserSettingsType
        arguments:
            - '@service_container'
        tags:
            - { name: form.type, alias: user_setting_type }

2-然后在你的控制器中调用它：

$form = $this->createForm($this->get('form.type.user_setting'), $user_settings);

3-最后在您的UserSettingsType中使用容器访问doctrine和PRE_SET_DATA事件，以便在第一次加载时对表单字段进行水合处理＆＃34; ：

<?php

class UserSettingsType extends AbstractType
{
    protected $container;

    public function __construct($container)
    {
        $this->container = $container;
    }

    //an example to access to your repository
    public funtion myFunction($userId)
    {
        return $this->container
                ->get('doctrine')
                ->getRepository('yourRepository')
                ->getUserSettings($userId);
    }

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
       $builder
         ->addEventListener(
             FormEvents::PRE_SET_DATA,
             function(FormEvent $event) {
               $form = $event->getForm();

               //get userSettingId if you need it
               $userSetting = $event->getData();
               $userSettingId = $userSetting->getId();

               //you can call 'myFunction' here for example to do want you want

               $form
                 ->add('background_color', TextType::class)
                 ->add('text_color', TextType::class)
               ;
         });
    }
}

Answer 2

非常感谢DOZ。

你的意思是写这个：

    $user = $this->get('security.token_storage')->getToken()->getUser();
    $em = $this->getDoctrine()->getManager();
    $user_settings_temp = $em->getRepository('AppBundle:UserSettings')->getUserSettings($user->getId());

    $user_settings = new UserSettings();
    $user_settings->setUser( $user->getId() );
    $user_settings->setBackgroundColor( $user_settings_temp['background_color'] );
    $user_settings->setTextColor( $user_settings_temp['text_color'] );
    $user_settings->setFontSize( $user_settings_temp['font_size'] );
    $user_settings->setMenuEmbedded( $user_settings_temp['menu_embedded'] );
    $user_settings->setMenuSide( $user_settings_temp['menu_side'] );
    $user_settings->setShowImages( $user_settings_temp['show_images'] );

    // Create the form object
    $form = $this->createForm(UserSettingsType::class, $user_settings);

在控制器中。

我同意更少＆＃34;优雅＆＃34;但我维护的事情更清楚。

Symfony 3.1在表单中使用自定义存储库方法

2 个答案: