Answered File Upload processors

,items      : [{
    id: this.ident+'-filename'
    ,inputType: 'file'
    ,fieldLabel: _('mycomponent.browse_file_label')
    ,name: 'filename'
    ,height: 30
},

class ArtworkCreateProcessor extends modObjectCreateProcessor {
    public $classKey = 'artworks';
    public $languageTopics = array('mycomponent:default');
    public $objectType = 'mycomponent';
    
    /** @var artworks $object */
    public $object;

    /** @var modMediaSource $source */
    public $source;

    public function checkPermissions() {
        return $this->modx->hasPermission('file_upload');
    }

    public function getLanguageTopics() {
        $langs = parent::getLanguageTopics();
        $langs[] = 'mycomponent';
        return $langs;
    }

    public function initialize() {
        $this->setDefaultProperties(array(
            'source' => 1,
            'gallery' => false,
        ));
        if (!$this->getProperty('gallery')) return $this->modx->lexicon('file_folder_err_ns');
        return parent::initialize();
    }

    public function process() {
        if (!$this->getSource()) {
            return $this->failure($this->modx->lexicon('permission_denied'));
        }
        $this->source->setRequestProperties($this->getProperties());
        $this->source->initialize();
        if (!$this->source->checkPolicy('create')) {
            return $this->failure($this->modx->lexicon('permission_denied'));
        }
        $success = $this->source->uploadObjectsToContainer($this->getProperty('gallery'),$_FILES);

        if (empty($success)) {
            $msg = '';
            $errors = $this->source->getErrors();
            foreach ($errors as $k => $msg) {
                $this->modx->error->addField($k,$msg);
            }
            return $this->failure($msg);
        }
        return parent::process();
    }

    /**
     * Get the active Source
     * @return modMediaSource|boolean
     */
    public function getSource() {
        $this->modx->loadClass('sources.modMediaSource');
        $this->source = modMediaSource::getDefaultSource($this->modx,$this->getProperty('source'));
        if (empty($this->source) || !$this->source->getWorkingContext()) {
            return false;
        }
        return $this->source;
    }

}
return 'ArtworkCreateProcessor';

public function process() {
    if (!$this->getSource()) {
        return $this->failure($this->modx->lexicon('permission_denied'));
    }
    $this->source->setRequestProperties($this->getProperties());
    $this->source->initialize();
    if (!$this->source->checkPolicy('create')) {
        return $this->failure($this->modx->lexicon('permission_denied'));
    }
    $success = $this->source->uploadObjectsToContainer($this->getProperty('gallery'),$_FILES);

    if (empty($success)) {
        $msg = '';
        $errors = $this->source->getErrors();
        foreach ($errors as $k => $msg) {
            $this->modx->error->addField($k,$msg);
        }
        return $this->failure($msg);
    }

    // Cheers Bruno!
    $filenames = array();
    if (is_array($_FILES)) {
        foreach ($_FILES as $file) {
            if (!empty($file['name'])) {
                $filenames[] = $file['name'];
            }
        }
    }
    $this->setProperty('filename', $filenames[0]);

    return parent::process();
}