PHP api_browser_support函数代码示例

	}
}
*/
// Interbreadcrumb for the current directory root path
if (empty($document_data['parents'])) {
    $interbreadcrumb[] = array('url' => '#', 'name' => $document_data['title']);
} else {
    foreach ($document_data['parents'] as $document_sub_data) {
        $interbreadcrumb[] = array('url' => $document_sub_data['document_url'], 'name' => $document_sub_data['title']);
    }
}
Display::display_header($nameTools, 'Doc');
echo '<div class="actions">';
echo '<a href="document.php?id=' . $document_id . '">' . Display::return_icon('back.png', get_lang('BackTo') . ' ' . get_lang('DocumentsOverview'), '', ICON_SIZE_MEDIUM) . '</a>';
echo '</div>';
if (api_browser_support('svg')) {
    //automatic loading the course language
    $svgedit_code_translation_table = array('' => 'en', 'pt' => 'pt-Pt', 'sr' => 'sr_latn');
    $langsvgedit = api_get_language_isocode();
    $langsvgedit = isset($svgedit_code_translation_table[$langsvgedit]) ? $svgedit_code_translation_table[$langsvgedit] : $langsvgedit;
    $langsvgedit = file_exists(api_get_path(LIBRARY_PATH) . 'svg-edit/locale/lang.' . $langsvgedit . '.js') ? $langsvgedit : 'en';
    $svg_url = api_get_path(WEB_LIBRARY_PATH) . 'svg-edit/svg-editor.php?lang=' . $langsvgedit;
    ?>
	<script>
		document.write ('<iframe id="frame" frameborder="0" scrolling="no" src="<?php 
    echo $svg_url;
    ?>
" width="100%" height="100%"><noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>');
        function resizeIframe() {
            var height = window.innerHeight -50;
            //max lower size

    /**
     * Set header parameters
     */
    private function set_header_parameters()
    {
        global $httpHeadXtra, $_course, $interbreadcrumb, $language_file, $noPHP_SELF, $_configuration, $this_section;
        $help = $this->help;
        $nameTools             = $this->title;
        $navigation            = return_navigation_array();
        $this->menu_navigation = $navigation['menu_navigation'];

        $this->assign('system_charset', api_get_system_encoding());

        if (isset($httpHeadXtra) && $httpHeadXtra) {
            foreach ($httpHeadXtra as & $thisHttpHead) {
                header($thisHttpHead);
            }
        }

        $this->assign('online_button', Display::return_icon('online.png'));
        $this->assign('offline_button',Display::return_icon('offline.png'));

        // Get language iso-code for this page - ignore errors
        $this->assign('document_language', api_get_language_isocode());

        $course_title = isset($_course['name']) ? $_course['name'] : null;

        $title_list = array();

        $title_list[] = api_get_setting('Institution');
        $title_list[] = api_get_setting('siteName');

        if (!empty($course_title)) {
            $title_list[] = $course_title;
        }
        if ($nameTools != '') {
            $title_list[] = $nameTools;
        }

        $title_string = '';
        for ($i = 0; $i < count($title_list); $i++) {
            $title_string .= $title_list[$i];
            if (isset($title_list[$i + 1])) {
                $item = trim($title_list[$i + 1]);
                if (!empty($item)) {
                    $title_string .= ' - ';
                }
            }
        }

        $this->assign('title_string', $title_string);

        //Setting the theme and CSS files
        $this->set_css_files();
        $this->set_js_files();
        //$this->set_js_files_post();

        $browser = api_browser_support('check_browser');
        if ($browser[0] == 'Internet Explorer' && $browser[1] >= '11') {
            $browser_head = '<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE9" />';
            $this->assign('browser_specific_head', $browser_head);
        }

        // Implementation of prefetch.
        // See http://cdn.chamilo.org/main/img/online.png for details
        $prefetch = '';
        if (!empty($_configuration['cdn_enable'])) {
            $prefetch .= '<meta http-equiv="x-dns-prefetch-control" content="on">';
            foreach ($_configuration['cdn'] as $host => $exts) {
                $prefetch .= '<link rel="dns-prefetch" href="'.$host.'">';
            }
        }

        $this->assign('prefetch', $prefetch);
        $this->assign('text_direction', api_get_text_direction());
        $this->assign('section_name', 'section-'.$this_section);

        $favico = '<link rel="shortcut icon" href="'.api_get_path(WEB_PATH).'favicon.ico" type="image/x-icon" />';

        if (isset($_configuration['multiple_access_urls']) && $_configuration['multiple_access_urls']) {
            $access_url_id = api_get_current_access_url_id();
            if ($access_url_id != -1) {
                $url_info  = api_get_access_url($access_url_id);
                $url       = api_remove_trailing_slash(preg_replace('/https?:\/\//i', '', $url_info['url']));
                $clean_url = replace_dangerous_char($url);
                $clean_url = str_replace('/', '-', $clean_url);
                $clean_url .= '/';
                $homep           = api_get_path(REL_PATH).'home/'.$clean_url; //homep for Home Path
                $icon_real_homep = api_get_path(SYS_PATH).'home/'.$clean_url;

                //we create the new dir for the new sites
                if (is_file($icon_real_homep.'favicon.ico')) {
                    $favico = '<link rel="shortcut icon" href="'.$homep.'favicon.ico" type="image/x-icon" />';
                }
            }
        }

        $this->assign('favico', $favico);

        $this->set_help();
//.........这里部分代码省略.........

 /**
  * Display survey question chart
  * @param	array	Chart data
  * @param	boolean	Tells if the chart has a serie. False by default
  * @return	void 	(direct output)
  */
 public static function drawChart($chartData, $hasSerie = false, $chartContainerId = 'chartContainer')
 {
     $htmlChart = '';
     if (api_browser_support("svg")) {
         $htmlChart .= api_get_js("js/d3/d3.v3.5.4.min.js");
         $htmlChart .= api_get_js("js/dimple.v2.1.2.min.js") . '
         <script type="text/javascript">
         var svg = dimple.newSvg("#' . $chartContainerId . '", "100%", 400);
         var data = [';
         $serie = array();
         $order = array();
         foreach ($chartData as $chartDataElement) {
             $htmlChart .= '{"';
             if (!$hasSerie) {
                 $htmlChart .= get_lang("Option") . '":"' . $chartDataElement['option'] . '", "';
                 array_push($order, $chartDataElement['option']);
             } else {
                 if (!is_array($chartDataElement['serie'])) {
                     $htmlChart .= get_lang("Option") . '":"' . $chartDataElement['serie'] . '", "' . get_lang("Score") . '":"' . $chartDataElement['option'] . '", "';
                     array_push($serie, $chartDataElement['serie']);
                 } else {
                     $htmlChart .= get_lang("Serie") . '":"' . $chartDataElement['serie'][0] . '", "' . get_lang("Option") . '":"' . $chartDataElement['serie'][1] . '", "' . get_lang("Score") . '":"' . $chartDataElement['option'] . '", "';
                 }
             }
             $htmlChart .= get_lang("Votes") . '":"' . $chartDataElement['votes'] . '"},';
         }
         rtrim($htmlChart, ",");
         $htmlChart .= '];
             var myChart = new dimple.chart(svg, data);
             myChart.addMeasureAxis("y", "' . get_lang("Votes") . '");';
         if (!$hasSerie) {
             $htmlChart .= 'var xAxisCategory = myChart.addCategoryAxis("x", "' . get_lang("Option") . '");
                 xAxisCategory.addOrderRule(' . json_encode($order) . ');
                 myChart.addSeries("' . get_lang("Option") . '", dimple.plot.bar);';
         } else {
             if (!is_array($chartDataElement['serie'])) {
                 $serie = array_values(array_unique($serie));
                 $htmlChart .= 'var xAxisCategory = myChart.addCategoryAxis("x", ["' . get_lang("Option") . '","' . get_lang("Score") . '"]);
                     xAxisCategory.addOrderRule(' . json_encode($serie) . ');
                     xAxisCategory.addGroupOrderRule("' . get_lang("Score") . '");
                     myChart.addSeries("' . get_lang("Option") . '", dimple.plot.bar);';
             } else {
                 $htmlChart .= 'myChart.addCategoryAxis("x", ["' . get_lang("Option") . '","' . get_lang("Score") . '"]);
                     myChart.addSeries("' . get_lang("Serie") . '", dimple.plot.bar);';
             }
         }
         $htmlChart .= 'myChart.draw();
             </script>';
     }
     return $htmlChart;
 }

 /**
  * Checks whether a document can be previewed by using the browser.
  * @param string $file_extension    The filename extension of the document (it must be in lower case).
  * @return bool                     Returns TRUE or FALSE.
  */
 public static function is_browser_viewable($file_extension)
 {
     static $allowed_extensions = array('htm', 'html', 'xhtml', 'gif', 'jpg', 'jpeg', 'png', 'tif', 'tiff', 'pdf', 'svg', 'swf', 'txt', 'log', 'mp4', 'ogg', 'ogv', 'ogx', 'mpg', 'mpeg', 'mov', 'avi', 'webm', 'wmv', 'mp3', 'oga', 'wav', 'au', 'wma', 'mid', 'kar');
     /*
      //TODO: make a admin swich to strict mode
      1. global default $allowed_extensions only: 'htm', 'html', 'xhtml', 'gif', 'jpg', 'jpeg', 'png', 'bmp', 'txt', 'log'
      if (in_array($file_extension, $allowed_extensions)) { // Assignment + a logical check.
      return true;
      }
      2. check native support
      3. check plugins: quicktime, mediaplayer, vlc, acrobat, flash, java
     */
     if (!($result = in_array($file_extension, $allowed_extensions))) {
         // Assignment + a logical check.
         return false;
     }
     //check native support (Explorer, Opera, Firefox, Chrome, Safari)
     if ($file_extension == "pdf") {
         return api_browser_support('pdf');
     } elseif ($file_extension == "mp3") {
         return api_browser_support('mp3');
     } elseif ($file_extension == "mp4") {
         return api_browser_support('mp4');
     } elseif ($file_extension == "ogg" || $file_extension == "ogx" || $file_extension == "ogv" || $file_extension == "oga") {
         return api_browser_support('ogg');
     } elseif ($file_extension == "svg") {
         return api_browser_support('svg');
     } elseif ($file_extension == "mpg" || $file_extension == "mpeg") {
         return api_browser_support('mpg');
     } elseif ($file_extension == "mov") {
         return api_browser_support('mov');
     } elseif ($file_extension == "wav") {
         return api_browser_support('wav');
     } elseif ($file_extension == "mid" || $file_extension == "kar") {
         return api_browser_support('mid');
     } elseif ($file_extension == "avi") {
         return api_browser_support('avi');
     } elseif ($file_extension == "wma") {
         return api_browser_support('wma');
     } elseif ($file_extension == "wmv") {
         return api_browser_support('wmv');
     } elseif ($file_extension == "tif" || $file_extension == "tiff") {
         return api_browser_support('tif');
     } elseif ($file_extension == "mov") {
         return api_browser_support('mov');
     } elseif ($file_extension == "au") {
         return api_browser_support('au');
     } elseif ($file_extension == "webm") {
         return api_browser_support('webm');
     }
     return $result;
 }

    $defaults['renameTo'] = $file_name;
    $defaults['comment'] = $document_data['comment'];
    $defaults['origin'] = isset($_GET['origin']) ? Security::remove_XSS($_GET['origin']) : null;
    $defaults['origin_opt'] = isset($_GET['origin_opt']) ? Security::remove_XSS($_GET['origin_opt']) : null;
    $form->setDefaults($defaults);
    show_return($parent_id, $dir_original, $call_from_tool, $slide_id, $is_certificate_mode);
    if ($is_certificate_mode) {
        $all_information_by_create_certificate = DocumentManager::get_all_info_to_certificate(api_get_user_id(), api_get_course_id());
        $str_info = '';
        foreach ($all_information_by_create_certificate[0] as $info_value) {
            $str_info .= $info_value . '<br/>';
        }
        $create_certificate = get_lang('CreateCertificateWithTags');
        Display::display_normal_message($create_certificate . ': <br /><br />' . $str_info, false);
    }
    if ($extension == 'svg' && !api_browser_support('svg') && api_get_setting('enabled_support_svg') == 'true') {
        Display::display_warning_message(get_lang('BrowserDontSupportsSVG'));
    }
    echo $form->return_form();
}
Display::display_footer();
/* General functions */
/*
	Workhorse functions

	These do the actual work that is expected from of this tool, other functions
	are only there to support these ones.
*/
/**
This function changes the name of a certain file.
It needs no global variables, it takes all info from parameters.

    /**
     * Set header parameters
     * @param bool $sendHeaders send headers
     */
    private function set_header_parameters($sendHeaders)
    {
        global $httpHeadXtra, $interbreadcrumb, $language_file, $_configuration, $this_section;
        $_course = api_get_course_info();
        $help = $this->help;
        $nameTools = $this->title;
        $navigation = return_navigation_array();
        $this->menu_navigation = $navigation['menu_navigation'];
        $this->assign('system_charset', api_get_system_encoding());
        if (isset($httpHeadXtra) && $httpHeadXtra) {
            foreach ($httpHeadXtra as &$thisHttpHead) {
                header($thisHttpHead);
            }
        }
        $this->assign('online_button', Display::return_icon('statusonline.png', null, null, ICON_SIZE_ATOM));
        $this->assign('offline_button', Display::return_icon('statusoffline.png', null, null, ICON_SIZE_ATOM));
        // Get language iso-code for this page - ignore errors
        $this->assign('document_language', api_get_language_isocode());
        $course_title = isset($_course['name']) ? $_course['name'] : null;
        $title_list = array();
        $title_list[] = api_get_setting('platform.institution');
        $title_list[] = api_get_setting('platform.site_name');
        if (!empty($course_title)) {
            $title_list[] = $course_title;
        }
        if ($nameTools != '') {
            $title_list[] = $nameTools;
        }
        $title_string = '';
        for ($i = 0; $i < count($title_list); $i++) {
            $title_string .= $title_list[$i];
            if (isset($title_list[$i + 1])) {
                $item = trim($title_list[$i + 1]);
                if (!empty($item)) {
                    $title_string .= ' - ';
                }
            }
        }
        $this->assign('title_string', $title_string);
        //Setting the theme and CSS files
        $css = $this->setCssFiles();
        $this->set_js_files();
        $this->setCssCustomFiles($css);
        //$this->set_js_files_post();
        $browser = api_browser_support('check_browser');
        if ($browser[0] == 'Internet Explorer' && $browser[1] >= '11') {
            $browser_head = '<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE9" />';
            $this->assign('browser_specific_head', $browser_head);
        }
        // Implementation of prefetch.
        // See http://cdn.chamilo.org/main/img/online.png for details
        $prefetch = '';
        if (!empty($_configuration['cdn_enable'])) {
            $prefetch .= '<meta http-equiv="x-dns-prefetch-control" content="on">';
            foreach ($_configuration['cdn'] as $host => $exts) {
                $prefetch .= '<link rel="dns-prefetch" href="' . $host . '">';
            }
        }
        $this->assign('prefetch', $prefetch);
        $this->assign('text_direction', api_get_text_direction());
        $this->assign('section_name', 'section-' . $this_section);
        //Defaul root chamilo favicon
        $favico = '<link rel="shortcut icon" href="' . api_get_path(WEB_PATH) . 'favicon.ico" type="image/x-icon" />';
        //Added to verify if in the current Chamilo Theme exist a favicon
        $favicoThemeUrl = api_get_path(SYS_CSS_PATH) . 'themes/' . $this->theme . '/images/';
        //If exist pick the current chamilo theme favicon
        if (is_file($favicoThemeUrl . 'favicon.ico')) {
            $favico = '<link rel="shortcut icon" href="' . api_get_path(WEB_CSS_PATH) . 'themes/' . $this->theme . '/images/favicon.ico" type="image/x-icon" />';
        }
        if (api_is_multiple_url_enabled()) {
            $access_url_id = api_get_current_access_url_id();
            if ($access_url_id != -1) {
                $url_info = api_get_access_url($access_url_id);
                $url = api_remove_trailing_slash(preg_replace('/https?:\\/\\//i', '', $url_info['url']));
                $clean_url = api_replace_dangerous_char($url);
                $clean_url = str_replace('/', '-', $clean_url);
                $clean_url .= '/';
                $homep = api_get_path(REL_PATH) . 'home/' . $clean_url;
                //homep for Home Path
                $icon_real_homep = api_get_path(SYS_APP_PATH) . 'home/' . $clean_url;
                //we create the new dir for the new sites
                if (is_file($icon_real_homep . 'favicon.ico')) {
                    $favico = '<link rel="shortcut icon" href="' . $homep . 'favicon.ico" type="image/x-icon" />';
                }
            }
        }
        $this->assign('favico', $favico);
        $this->setHelp();
        //@todo move this in the template
        $bug_notification_link = '';
        if (api_get_setting('show_link_bug_notification') == 'true' && $this->user_is_logged_in) {
            $bug_notification_link = '<li class="report">
		        						<a href="http://support.chamilo.org/projects/chamilo-18/wiki/How_to_report_bugs" target="_blank">
		        						<img src="' . api_get_path(WEB_IMG_PATH) . 'bug.large.png" style="vertical-align: middle;" alt="' . get_lang('ReportABug') . '" title="' . get_lang('ReportABug') . '"/></a>
		    						  </li>';
        }
//.........这里部分代码省略.........

/**
 * DEPRECATED - use rl_get_resource_link() instead - DEPRECATED
 * Displays the link that opens a new browser window that views the added resource.
 *
 * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
 * @param $type the type of the tool
 * @param $id the id of the resource
 * @param $style this is used to style the link (for instance when a resource is hidden => the added resources should also be styled like they are hidden)
 * @todo use the constants for the type definitions.
 */
function display_addedresource_link($type, $id, $style = '')
{
    global $_course;
    $course_id = api_get_course_int_id();
    // Styling the link of the added resource.
    if ($style != '') {
        $styling = ' class="' . $style . '"';
    }
    switch ($type) {
        case 'Agenda':
            $TABLEAGENDA = Database::get_course_table(TABLE_AGENDA);
            $result = Database::query("SELECT * FROM {$TABLEAGENDA} WHERE c_id = {$course_id} AND id={$id}");
            $myrow = Database::fetch_array($result);
            echo '<img src="../img/agenda.gif" align="middle" /> <a href="../calendar/agenda.php"' . $styling . '>' . $myrow['title'] . "</a><br />\n";
            break;
        case 'Ad_Valvas':
            $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
            $result = Database::query("SELECT * FROM {$tbl_announcement} WHERE c_id = {$course_id} AND id={$id}");
            $myrow = Database::fetch_array($result);
            echo '<img src="../img/valves.gif" align="middle" /> <a href="../announcements/announcements.php"' . $styling . '>' . $myrow['title'] . "</a><br />\n";
            break;
        case 'Link':
            $TABLETOOLLINK = Database::get_course_table(TABLE_LINK);
            $result = Database::query("SELECT * FROM {$TABLETOOLLINK} WHERE c_id = {$course_id} AND id={$id}");
            $myrow = Database::fetch_array($result);
            echo '<img src="../img/links.gif" align="middle" /> <a href="#" onclick="javascript:window.open(\'../link/link_goto.php?link_id=' . $myrow['id'] . '&amp;link_url=' . urlencode($myrow['url']) . "','MyWindow','width=500,height=400,top='+((screen.height-400)/2)+',left='+((screen.width-500)/2)+',scrollbars=1,resizable=1,menubar=1'); return false;\"" . $styling . '>' . $myrow['title'] . "</a><br />\n";
            break;
        case 'Exercise':
            $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
            $result = Database::query("SELECT * FROM {$TBL_EXERCICES} WHERE c_id = {$course_id} AND id={$id}");
            $myrow = Database::fetch_array($result);
            echo '<img src="../img/quiz.gif" align="middle" /> <a href="../exercice/exercise_submit.php?exerciseId=' . $myrow['id'] . '"' . $styling . '>' . $myrow['title'] . "</a><br />\n";
            break;
        case 'Forum':
            $TBL_FORUMS = Database::get_course_table(TABLE_FORUM);
            $result = Database::query("SELECT * FROM {$TBL_FORUMS} WHERE c_id = {$course_id} AND forum_id={$id}");
            $myrow = Database::fetch_array($result);
            echo '<img src="../img/forum.gif" align="middle" /> <a href="../phpbb/viewforum.php?forum=' . $myrow['forum_id'] . '&amp;md5=' . $myrow['md5'] . '"' . $styling . '>' . $myrow['forum_name'] . "</a><br />\n";
            break;
        case 'Thread':
            //=topics
            //@deprecated bb_posts, bb_posts_text, bb_forums
            /*
                        $tbl_posts		= $_course['dbNameGlu'].'bb_posts';
                        $tbl_posts_text	= $_course['dbNameGlu'].'bb_posts_text';
                        $TBL_FORUMS		= $_course['dbNameGlu'].'bb_forums';
                        $result = Database::query("SELECT * FROM $tbl_posts posts, $TBL_FORUMS forum WHERE forum.forum_id=posts.forum_id and post_id=$id");
                        $myrow = Database::fetch_array($result);
                        // grabbing the title of the post
                        $sql_title = "SELECT * FROM $tbl_posts_text WHERE c_id = $course_id AND post_id=".$myrow["post_id"];
                        $result_title = Database::query($sql_title);
                        $myrow_title = Database::fetch_array($result_title);
                        echo '<img src="../img/forum.gif" align="middle" /> <a href="../phpbb/viewtopic.php?topic='.$myrow['topic_id'].'&amp;forum='.$myrow['forum_id'].'&amp;md5='.$myrow['md5'].'"'.$styling.'>'.$myrow_title['post_title']."</a><br />\n";
            */
            break;
        case 'Post':
            $tbl_post = Database::get_course_table(TABLE_FORUM_POST);
            $sql = "SELECT * FROM {$tbl_post} p WHERE c_id = {$course_id} AND post_id = {$id}";
            $result = Database::query($sql);
            $post = Database::fetch_object($result);
            echo '<img src="../img/forum.gif" align="middle" /> <a href="../phpbb/viewtopic.php?topic=' . $post->topic_id . '&amp;forum=' . $post->forum_id . '"' . $styling . '>' . $post->post_title . "</a><br />\n";
            break;
        case 'Document':
            $dbTable = Database::get_course_table(TABLE_DOCUMENT);
            $result = Database::query("SELECT * FROM {$dbTable} WHERE c_id = {$course_id} AND id={$id}");
            $myrow = Database::fetch_array($result);
            $pathname = explode('/', $myrow['path']);
            // Making a correct name for the link.
            $last = count($pathname) - 1;
            // Making a correct name for the link.
            $filename = $pathname[$last];
            // Making a correct name for the link.
            $image = choose_image($filename);
            $ext = explode('.', $filename);
            $ext = strtolower($ext[sizeof($ext) - 1]);
            $myrow['path'] = rawurlencode($myrow['path']);
            $array_ext = array('htm', 'html', 'gif', 'jpg', 'jpeg', 'png');
            if (api_browser_support('svg')) {
                $array_ext[] = 'svg';
            }
            if (api_browser_support('ogg')) {
                $array_ext[] = 'ogg';
            }
            $in_frames = in_array($ext, $array_ext);
            echo '<img src="../img/' . $image . '" align="middle" /> <a href="../document/' . ($in_frames ? 'showinframes.php?file=' : 'download.php?doc_url=') . $myrow['path'] . '"' . $styling . '>' . $filename . "</a><br />\n";
            break;
        case 'Externallink':
            echo '<img src="../img/links.gif" align="middle" /> <a href="' . $id . '"' . $styling . '>' . $id . "</a><br />\n";
            break;
    }
//.........这里部分代码省略.........

 /**
  * Returns the HTML form to upload a nano file or upload a file
  * @param string
  * @return string
  */
 public function return_form($message = null)
 {
     $params = $this->get_params(true);
     $url = api_get_path(WEB_AJAX_PATH) . 'nanogong.ajax.php?a=save_file&' . $params;
     //check browser support and load form
     $array_browser = api_browser_support('check_browser');
     $preview_file = $this->show_audio_file(true, true);
     $preview_file = Display::div($preview_file, array('id' => 'preview', 'style' => 'text-align:center; padding-left: 25px;'));
     $html = '<center>';
     //Use normal upload file
     $html .= Display::return_icon('microphone.png', get_lang('PressRecordButton'), '', ICON_SIZE_BIG);
     $html .= '<br />';
     $html .= '<div id="nanogong_div">';
     $html .= '<applet id="nanogong" archive="' . api_get_path(WEB_LIBRARY_PATH) . 'nanogong/nanogong.jar" code="gong.NanoGong" width="250" height="40" align="middle">';
     //echo '<param name="ShowRecordButton" value="false" />'; // default true
     // echo '<param name="ShowSaveButton" value="false" />'; //you can save in local computer | (default true)
     $html .= '<param name="ShowSpeedButton" value="false" />';
     // default true
     //echo '<param name="ShowAudioLevel" value="false" />'; //  it displays the audiometer | (default true)
     $html .= '<param name="ShowTime" value="true" />';
     // default false
     $html .= '<param name="Color" value="#FFFFFF" />';
     // default #FFFFFF
     //echo '<param name="StartTime" value="10.5" />';
     //echo '<param name="EndTime" value="65" />';
     $html .= '<param name="AudioFormat" value="ImaADPCM" />';
     // ImaADPCM (more speed), Speex (more compression)|(default Speex)
     //$html .= '<param name="AudioFormat" value="Speex" />';// ImaADPCM (more speed), Speex (more compression)|(default Speex)
     //echo '<param name="SamplingRate" value="32000" />';//Quality for ImaADPCM (low 8000, medium 11025, normal 22050, hight 44100) OR Quality for Speex (low 8000, medium 16000, normal 32000, hight 44100) | (default 44100)
     //echo '<param name="MaxDuration" value="60" />';
     //echo '<param name="SoundFileURL" value="http://somewhere.com/mysoundfile.wav" />';//load a file |(default "")
     $html .= '</applet>';
     $html .= '<br /><br /><br />';
     $html .= '<form name="form_nanogong_advanced">';
     $html .= '<input type="hidden" name="is_nano" value="1">';
     $html .= '<a href="#" class="btn"  onclick="send_voice()" />' . get_lang('SendRecord') . '</a>';
     $html .= '</form></div>';
     $html .= Display::url(get_lang('ProblemsRecordingUploadYourOwnAudioFile'), 'javascript:void(0)', array('onclick' => 'show_simple_upload_form();'));
     $html .= '<br /><br /><div id="no_nanogong_div">';
     //$html .= Display::return_message(get_lang('BrowserNotSupportNanogongSend'), 'warning');
     $html .= '<form id="form_nanogong_simple" class="form-search" action="' . $url . '" name="form_nanogong" method="POST" enctype="multipart/form-data">';
     $html .= '<input type="file" name="file">';
     $html .= '<a href="#" class="btn"  onclick="upload_file()" />' . get_lang('UploadFile') . '</a>';
     $html .= '</form>';
     $html .= '</div>';
     $html .= '</center>';
     $html .= '<div style="display:none" id="status_ok" class="confirmation-message"></div><div style="display:none" id="status_warning" class="warning-message"></div>';
     $html .= '<div id="messages">' . $message . '</div>';
     $html .= $preview_file;
     return $html;
 }

define('CONFIG_UPLOAD_VALID_EXTS', 'gif,jpg,jpeg,png,bmp,tif,psd,zip,sit,rar,gz,tar,htm,html,mov,mpg,avi,asf,mpeg,wmv,ogg,ogx,ogv,oga, aif,aiff,wav,mp3,swf,flv, mp4, aac, ppt,rtf,doc, pdf,xls,txt,flv,odt,ods,odp,odg,odc,odf,odb,odi,pps,docx,pptx,xlsx,accdb,xml,mid, midi, svg, svgz, mm');
//Updated for Chamilo
//define viewable valid exts
$viewable = 'gif,bmp,txt,jpg,jpeg,png,tif,html,htm,mp3,wav,wmv,wma,rm,rmvb,mov,swf,flv,mp4,aac,avi,mpg,mpeg,asf,mid,midi';
//updated by Chamilo
$viewable_array = explode(" ", $viewable);
if (api_browser_support('svg')) {
    $viewable_array[] = ',svg';
}
if (api_browser_support('ogg')) {
    $viewable_array[] = ',ogg';
    $viewable_array[] = ',ogx';
    $viewable_array[] = ',oga';
    $viewable_array[] = ',ogv';
}
if (api_browser_support('pdf')) {
    $viewable_array[] = ',pdf';
}
$viewable = implode(" ", $viewable_array);
$viewable = preg_replace('/\\s+/', '', $viewable);
//clean spaces
//print_r($viewable);
define("CONFIG_VIEWABLE_VALID_EXTS", $viewable);
//define invalid exts
define('CONFIG_UPLOAD_INVALID_EXTS', 'php,php3,php4,php5,php6,phps,phtml,asp,aspx,jsp,cfm,cfc,pl,jar,sh,cgi,js,exe,com,bat,pif,scr,msi,ws,wsc,wsf,vb,vbe,vbs,reg,dll,ini');
//Updated for Chamilo.
//Preview
define('CONFIG_IMG_THUMBNAIL_MAX_X', 100);
define('CONFIG_IMG_THUMBNAIL_MAX_Y', 100);
define('CONFIG_THICKBOX_MAX_WIDTH', 400);
//only for html, pdf, svg