Bloom.Book.RuntimeInformationInjector.AddUISettingsToDom C# (CSharp) Method

        public static void AddUISettingsToDom(HtmlDom pageDom, CollectionSettings collectionSettings, IFileLocator fileLocator)
        {
            CheckDynamicStrings();

            XmlElement existingElement = pageDom.RawDom.SelectSingleNode("//script[@id='ui-settings']") as XmlElement;

            XmlElement element = pageDom.RawDom.CreateElement("script");
            element.SetAttribute("type", "text/javascript");
            element.SetAttribute("id", "ui-settings");
            var d = new Dictionary<string, string>();

            //d.Add("urlOfUIFiles", "file:///" + fileLocator.LocateDirectory("ui", "ui files directory"));
            if (!String.IsNullOrEmpty(Settings.Default.LastSourceLanguageViewed))
            {
                d.Add("defaultSourceLanguage", Settings.Default.LastSourceLanguageViewed);
            }

            d.Add("languageForNewTextBoxes", collectionSettings.Language1Iso639Code);
            d.Add("isSourceCollection", collectionSettings.IsSourceCollection.ToString());

            // BL-2357 To aid in smart ordering of source languages in source bubble
            if (!String.IsNullOrEmpty(collectionSettings.Language2Iso639Code))
            {
                d.Add("currentCollectionLanguage2", collectionSettings.Language2Iso639Code);
            }
            if (!String.IsNullOrEmpty(collectionSettings.Language3Iso639Code))
            {
                d.Add("currentCollectionLanguage3", collectionSettings.Language3Iso639Code);
            }

            d.Add("browserRoot", FileLocator.GetDirectoryDistributedWithApplication(BloomFileLocator.BrowserRoot).ToLocalhost());

            element.InnerText = String.Format("function GetSettings() {{ return {0};}}", JsonConvert.SerializeObject(d));

            var head = pageDom.RawDom.SelectSingleNode("//head");
            if (existingElement != null)
                head.ReplaceChild(element, existingElement);
            else
                head.InsertAfter(element, head.LastChild);

            _collectDynamicStrings = false;
        }