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<?php |
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/* |
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* This file is part of the XabbuhPandaBundle package. |
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* |
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* (c) Christian Flothmann <[email protected]> |
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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 Xabbuh\PandaBundle\Form\Extension; |
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use Symfony\Component\Form\AbstractTypeExtension; |
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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\Exception\InvalidOptionsException; |
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use Symfony\Component\OptionsResolver\Options; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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use Symfony\Component\OptionsResolver\OptionsResolverInterface; |
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
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/** |
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* Extends the {@link http://api.symfony.com/master/Symfony/Component/Form/Extension/Core/Type/FileType.html FileType} |
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* by adding an option to mark such a field as a widget for using the |
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* {@link http://www.pandastream.com/docs/video_uploader Panda uploader}. |
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* |
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* @author Christian Flothmann <[email protected]> |
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*/ |
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class VideoUploaderExtension extends AbstractTypeExtension |
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{ |
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/** |
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* The url generator |
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* @var UrlGeneratorInterface |
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*/ |
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private $urlGenerator; |
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/** |
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* General options to configure the display of widget components |
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* @var array |
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*/ |
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private $defaultOptions; |
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/** |
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* Constructor. |
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* |
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* @param UrlGeneratorInterface $urlGenerator The url generator |
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* @param array $defaultOptions Default display options for widget objects |
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*/ |
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public function __construct(UrlGeneratorInterface $urlGenerator, array $defaultOptions) |
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{ |
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$this->urlGenerator = $urlGenerator; |
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$this->defaultOptions = array_replace(array( |
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'multiple_files' => false, |
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'cancel_button' => true, |
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'progress_bar' => true, |
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), $defaultOptions); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getExtendedType() |
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{ |
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// BC with Symfony < 2.8 |
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if (!method_exists('Symfony\Component\Form\AbstractType', 'getBlockPrefix')) { |
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return 'file'; |
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} |
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return 'Symfony\Component\Form\Extension\Core\Type\FileType'; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function setDefaultOptions(OptionsResolverInterface $resolver) |
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{ |
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// BC for symfony 2.6 and older which don't have the forward-compatibility layer |
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if (!$resolver instanceof OptionsResolver) { |
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throw new \InvalidArgumentException(sprintf('Custom resolver "%s" must extend "Symfony\Component\OptionsResolver\OptionsResolver".', get_class($resolver))); |
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} |
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$this->configureOptions($resolver); |
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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 $resolver) |
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{ |
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$resolver->setDefaults(array( |
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'panda_widget' => false, |
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'panda_widget_version' => 2, |
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'cloud' => null, |
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)); |
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$resolver->setDefaults($this->defaultOptions); |
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$cloudNormalizer = function (Options $options, $cloud) { |
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if (!$options['panda_widget']) { |
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return null; |
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} |
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if (null === $cloud) { |
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throw new InvalidOptionsException('The "cloud" option is required when enabling the panda widget.'); |
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} |
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return $cloud; |
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}; |
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$resolver->setNormalizer('cloud', $cloudNormalizer); |
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$resolver->setAllowedValues('panda_widget', array(true, false, 'yes', 'no')); |
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$resolver->setAllowedValues('panda_widget_version', array(1, 2)); |
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$resolver->setAllowedTypes('cancel_button', 'bool'); |
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$resolver->setAllowedTypes('cloud', array('null', 'string')); |
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$resolver->setAllowedTypes('multiple_files', 'bool'); |
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$resolver->setAllowedTypes('panda_widget', array('bool', 'string')); |
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$resolver->setAllowedTypes('progress_bar', 'bool'); |
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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 $options) |
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{ |
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if (!$options['panda_widget'] || !isset($view->vars['id'])) { |
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$view->vars["panda_uploader"] = false; |
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return; |
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} |
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$view->vars["panda_uploader"] = true; |
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$widgetVersion = $options["panda_widget_version"]; |
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// generate widgets' ids |
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$formId = $view->vars["id"]; |
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$browseButtonId = "browse_button_$formId"; |
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$cancelButtonId = "cancel_button_$formId"; |
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$progressBarId = "progress_bar_$formId"; |
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// set input field attributes accordingly (widget ids will be |
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// read from there by the javascript uploader implementation) |
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$view->vars["attr"]["panda-uploader"] = "v$widgetVersion"; |
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$view->vars["attr"]["authorise-url"] = $this->urlGenerator->generate( |
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"xabbuh_panda_authorise_upload", |
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array("cloud" => $options["cloud"]) |
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); |
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$view->vars["attr"]["multiple_files"] = var_export($options["multiple_files"], true); |
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$view->vars["attr"]["browse-button-id"] = $browseButtonId; |
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$view->vars["attr"]["cancel-button-id"] = $cancelButtonId; |
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$view->vars["attr"]["progress-bar-id"] = $progressBarId; |
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$view->vars["browse_button_id"] = $browseButtonId; |
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$view->vars["browse_button_label"] = "Browse"; |
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$view->vars["cancel_button"] = $options["cancel_button"]; |
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$view->vars["cancel_button_id"] = $cancelButtonId; |
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$view->vars["cancel_button_label"] = "Cancel"; |
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$view->vars["progress_bar"] = $options["progress_bar"]; |
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$view->vars["progress_bar_id"] = $progressBarId; |
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} |
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} |
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xabbuh /
PandaBundle
