una/template/scripts/BxBaseUploaderHTML5.php

<?php
/**
 * @package     Dolphin Core
 * @copyright   Copyright (c) BoonEx Pty Limited - http://www.boonex.com/
 * @license     CC-BY - http://creativecommons.org/licenses/by/3.0/
 */
defined('BX_DOL') or die('hack attempt');

bx_import ('BxDolUploader');

/**
 * Upload files using AJAX uploader with multiple files selection support (without flash), 
 * it works in Firefox and WebKit(Safari, Chrome) browsers only, but has fallback for other browsers (IE, Opera).
 * @see BxDolUploader
 */
class BxBaseUploaderHTML5 extends BxDolUploader {    

    var $_sDivId; ///< div id where upload button will be placed

    function BxBaseUploaderHTML5 ($aObject, $sStorageObject, $sUniqId) {
        parent::BxDolUploader($aObject, $sStorageObject, $sUniqId);

        $this->_sDivId = 'bx-form-input-files-' . $sUniqId . '-div-' . $this->_aObject['engine'];
        $this->_sButtonTemplate = 'uploader_button_html5.html';
    }

    /**
     * Show uploader button.
     * @return HTML string 
     */
    public function getUploaderButton($sGhostTemplate, $isMultiple = true, $aParams = array()) {
        $s = parent::getUploaderButton($sGhostTemplate, $isMultiple, $aParams);

        $oTemplate = BxDolTemplate::getInstance();
        $oTemplate->addJs(BX_DOL_URL_PLUGINS . 'fileuploader.js');

        return $s;
    }

    /**
     * Get uploader button title
     */
    public function getUploaderButtonTitle($mixed = false) {
        if (is_string($mixed))
            return $mixed;
        elseif (is_array($mixed) && isset($mixed['HTML5']))
            return $mixed['HTML5'];
        else
            return _t('_sys_uploader_html5_button_name');
    }

    /**
     * Show uploader form.
     * @return HTML string 
     */
    public function getUploaderForm($isMultiple = true, $iContentId = false) {
        parent::getUploaderForm($isMultiple, $iContentId);

        $oTemplate = BxDolTemplate::getInstance();
        $sForm = $oTemplate->parseHtmlByName('uploader_form_html5.html', array(
            'form_container_id' => $this->_sFormContainerId,
            'errors_container_id' => $this->_sErrorsContainerId,
            'uploader_instance_name' => $this->getNameJsInstanceUploader(),
            'restrictions_text' => $this->getRestrictionsText(),
            'div_id' => $this->_sDivId,
            'content_id' => $iContentId,
        ));

        bx_import('BxTemplFunctions');
        return BxTemplFunctions::getInstance()->transBox($sForm);
    }

    /**
     * Handle uploads here.
     * @param $mixedFiles as usual $_FILES['some_name'] array, but maybe some other params depending on the uploader
     * @return nothing, but if some files failed to upload, the actual error message can be determined by calling BxDolUploader::getUploadErrorMessages()
     */
    public function handleUploads ($mixedFiles, $isMultiple = true, $iContentId = false) {

        bx_import('BxDolStorage');
        $oStorage = BxDolStorage::getObjectInstance($this->_sStorageObject);

        $iProfileId = bx_get_logged_profile_id();

        if (!$isMultiple)
            $this->cleanupGhostsForProfile($iProfileId, $iContentId);

        if (bx_get('qqfile'))
            $iId = $oStorage->storeFileFromXhr(bx_get('qqfile'), true, $iProfileId, $iContentId);
        else
            $iId = $oStorage->storeFileFromForm($_FILES['qqfile'], true, $iProfileId, $iContentId);

        if ($iId) {
            $aResponse = array ('success' => 1);
        } else {
            $this->appendUploadErrorMessage(_t('_sys_uploader_err_msg', isset($_FILES['qqfile']['name']) ? $_FILES['qqfile']['name'] : bx_get('qqfile'), $oStorage->getErrorString()));
            $aResponse = array ('error' => $this->getUploadErrorMessages());
        }         

        require_once(BX_DIRECTORY_PATH_PLUGINS . 'Services_JSON.php');
        $oParser = new Services_JSON();
        echo htmlspecialchars($oParser->encode($aResponse), ENT_NOQUOTES);
    }
}