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<?php |
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namespace Presta\ImageBundle\Form\Type; |
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use Presta\ImageBundle\Form\DataTransformer\Base64ToImageTransformer; |
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use Presta\ImageBundle\Model\AspectRatio; |
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use Symfony\Component\Form\AbstractType; |
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use Symfony\Component\Form\Extension\Core\Type\CheckboxType; |
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use Symfony\Component\Form\Extension\Core\Type\HiddenType; |
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use Symfony\Component\Form\FormBuilderInterface; |
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use Symfony\Component\Form\FormEvent; |
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use Symfony\Component\Form\FormEvents; |
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use Symfony\Component\Form\FormInterface; |
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use Symfony\Component\Form\FormView; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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use Symfony\Component\Translation\TranslatorInterface; |
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use Vich\UploaderBundle\Handler\UploadHandler; |
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use Vich\UploaderBundle\Storage\StorageInterface; |
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/** |
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* @author Benoit Jouhaud <[email protected]> |
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*/ |
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class ImageType extends AbstractType |
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{ |
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/** |
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* @var TranslatorInterface |
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*/ |
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private $translator; |
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/** |
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* @var StorageInterface |
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*/ |
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private $storage; |
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/** |
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* @var UploadHandler |
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*/ |
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protected $handler; |
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/** |
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* @param TranslatorInterface $translator |
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* @param StorageInterface $storage |
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* @param UploadHandler $handler |
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*/ |
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public function __construct(TranslatorInterface $translator, StorageInterface $storage, UploadHandler $handler) |
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{ |
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$this->translator = $translator; |
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$this->storage = $storage; |
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$this->handler = $handler; |
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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 $options) |
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{ |
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$builder |
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->add('base64', HiddenType::class, [ |
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'attr' => [ |
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'class' => 'cropper-base64', |
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], |
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]) |
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; |
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$builder->addModelTransformer(new Base64ToImageTransformer); |
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if ($options['allow_delete']) { |
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$this->buildDeleteField($builder, $options); |
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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 configureOptions(OptionsResolver $resolver) |
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{ |
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$aspectRatios = []; |
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$this->addAspectRatio($aspectRatios, '16_9', 1.78); |
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$this->addAspectRatio($aspectRatios, '4_3', 1.33); |
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$this->addAspectRatio($aspectRatios, '1', 1); |
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$this->addAspectRatio($aspectRatios, '2_3', 0.66); |
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$this->addAspectRatio($aspectRatios, 'nan', null, true); |
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$resolver |
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->setDefault('allow_delete', true) |
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->setDefault('delete_label', 'btn_delete') |
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->setDefault('aspect_ratios', $aspectRatios) |
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->setDefault('cropper_options', ['autoCropArea' => 1]) |
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->setDefault('max_width', 320) |
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->setDefault('max_height', 180) |
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->setDefault('download_uri', null) |
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->setDefault('download_link', true) |
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->setDefault('enable_locale', true) |
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->setDefault('enable_remote', true) |
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->setDefault('translation_domain', 'PrestaImageBundle') |
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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 $options) |
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{ |
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$view->vars['aspect_ratios'] = $options['aspect_ratios']; |
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$view->vars['cropper_options'] = json_encode($options['cropper_options']); |
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$view->vars['max_width'] = $options['max_width']; |
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$view->vars['max_height'] = $options['max_height']; |
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$view->vars['enable_locale'] = $options['enable_locale']; |
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$view->vars['enable_remote'] = $options['enable_remote']; |
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$view->vars['object'] = $form->getParent()->getData(); |
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if ($options['download_link'] && $view->vars['object']) { |
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$view->vars['download_uri'] = $this->storage->resolveUri($form->getParent()->getData(), $form->getName()); |
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} |
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} |
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/** |
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* @param FormBuilderInterface $builder |
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* @param array $options |
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*/ |
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protected function buildDeleteField(FormBuilderInterface $builder, array $options) |
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{ |
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// add delete only if there is a file |
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$builder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) use ($options) { |
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$form = $event->getForm(); |
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$object = $form->getParent()->getData(); |
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// no object or no uploaded file: no delete button |
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if (null === $object || null === $this->storage->resolvePath($object, $form->getName())) { |
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return; |
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} |
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$form->add('delete', CheckboxType::class, [ |
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'label' => $options['delete_label'], |
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'required' => false, |
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'mapped' => false, |
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'translation_domain' => $options['translation_domain'] |
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]); |
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}); |
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// delete file if needed |
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$builder->addEventListener(FormEvents::POST_SUBMIT, function (FormEvent $event) use ($options) { |
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$form = $event->getForm(); |
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$delete = $form->has('delete') ? $form->get('delete')->getData() : false; |
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$entity = $form->getParent()->getData(); |
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if (!$delete) { |
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return; |
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} |
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$this->handler->remove($entity, $form->getName()); |
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}); |
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} |
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/** |
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* @param array $aspectRatios |
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* @param string $key |
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* @param float $value |
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* @param bool $checked |
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*/ |
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private function addAspectRatio(array &$aspectRatios, $key, $value, $checked = false) |
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{ |
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$label = $this->translator->trans(sprintf('aspect_ratio.%s', $key), [], 'PrestaImageBundle'); |
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$aspectRatios[$key] = new AspectRatio($value, $label, $checked); |
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} |
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} |
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prestaconcept /
PrestaImageBundle
