71 lines
2.0 KiB
PHP
71 lines
2.0 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace App\Form\Type;
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use App\Form\DataTransformer\TagArrayToStringTransformer;
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use App\Repository\TagRepository;
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use Symfony\Bridge\Doctrine\Form\DataTransformer\CollectionToArrayTransformer;
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use Symfony\Component\Form\AbstractType;
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use Symfony\Component\Form\Extension\Core\Type\TextType;
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use Symfony\Component\Form\FormBuilderInterface;
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use Symfony\Component\Form\FormInterface;
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use Symfony\Component\Form\FormView;
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/**
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* Defines the custom form field type used to manipulate tags values across
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* Bootstrap-tagsinput javascript plugin.
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*
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* See https://symfony.com/doc/current/form/create_custom_field_type.html
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*
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* @author Yonel Ceruto <yonelceruto@gmail.com>
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*/
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class TagsInputType extends AbstractType
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{
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private $tags;
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public function __construct(TagRepository $tags)
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{
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$this->tags = $tags;
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}
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/**
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* {@inheritdoc}
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*/
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public function buildForm(FormBuilderInterface $builder, array $options): void
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{
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$builder
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// The Tag collection must be transformed into a comma separated string.
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// We could create a custom transformer to do Collection <-> string in one step,
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// but here we're doing the transformation in two steps (Collection <-> array <-> string)
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// and reuse the existing CollectionToArrayTransformer.
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->addModelTransformer(new CollectionToArrayTransformer(), true)
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->addModelTransformer(new TagArrayToStringTransformer($this->tags), true)
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;
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}
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/**
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* {@inheritdoc}
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*/
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public function buildView(FormView $view, FormInterface $form, array $options): void
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{
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$view->vars['tags'] = $this->tags->findAll();
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}
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/**
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* {@inheritdoc}
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*/
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public function getParent(): ?string
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{
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return TextType::class;
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}
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}
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