VRiaEnhancedFileBundle

, _(*1)

File type for Symfony forms with additional functionality:, _(*2)

if file has been previously uploaded, the download link is rendered
previously uploaded file can be deleted if new one is uploaded

Installation

Using Composer, run:, _(*3)

composer require vria/enhanced-file

Add the VRiaNoDiacriticBundle to your application kernel:, _(*4)

// app/AppKernel.php
public function registerBundles()
{
    return array(
        // ...
        new VRia\Bundle\EnhancedFileBundle\VRiaEnhancedFileBundle(),
    );
}

Use

In Symfony 3 you should use:, _(*5)

$form = $this->createFormBuilder()
    ->add('file', EnhancedFileType::class, $options)
    ...

While in Symfony ~2.3:, _(*6)

$form = $this->createFormBuilder()
    ->add('file', 'enhanced_file', $options)
    ...

$options is an array of options form FormType Field enlarged with:, _(*7)

directory_path - physycal directory to put files. E.g. $this->get('kernel')->getRootDir() . '/../web/upload/'. Required
public_directory_path - path from your public directory (often /web) to directory with files. E.g. '/upload/'. Required
delete_previous_file - whether to delete previously uploaded file. Default value is true

So, the complete definition could be:, _(*8)

$form = $this->createFormBuilder()
    ->add('file', EnhancedFileType::class, array(
        'label' => 'Curriculum vitae',
        'directory_path' => $this->get('kernel')->getRootDir() . '/../web/upload/',
        'public_directory_path' => '/upload/',
        'required' => false
    ))