/// <summary>
/// Renders scripts and CSS tags for /page/url.css and /page/url.js if those files exist
/// </summary>
/// <param name="helper"></param>
/// <returns></returns>
public static HtmlString RenderPageIncludes(this IHtmlHelper helper)
{
if (helper is null)
{
throw new ArgumentNullException(nameof(helper));
}
string url = helper.ViewContext.HttpContext.Request.Path.ToString().Trim('/');
if (string.IsNullOrWhiteSpace(url))
{
return(new HtmlString(""));
}
JavascriptTag jsTag = helper.GenerateJsTag(url);
CssTag cssTag = helper.GenerateCssTag(url);
string toReturn = string.Empty;
if (jsTag.Exists)
{
toReturn += jsTag.ToString() + Environment.NewLine;
}
if (cssTag.Exists)
{
toReturn += cssTag.ToString() + Environment.NewLine;
}
return(new HtmlString(toReturn));
}
/// <summary>
/// Adds the given filenames to the back end list of CSS files to find and include in the layout
/// </summary>
/// <param name="helper">The current HtmlHelper from the calling context</param>
/// <param name="fileNames">A list of the filenames to add to the back end list of CSS files</param>
public static void IncludeCSS(this IHtmlHelper helper, params string[] fileNames)
{
if (fileNames is null)
{
throw new ArgumentNullException(nameof(fileNames));
}
string version = DateTime.Now.ToString("yyyyMMddhhmm", CultureInfo.CurrentCulture);
foreach (string resourceName in fileNames)
{
CssTag tag = helper.GenerateCssTag(resourceName);
CssTag extentionTag = helper.GenerateCssTag($"{resourceName}.extension");
helper.AddResource(tag.ToString());
if (extentionTag.Exists)
{
helper.AddResource(extentionTag.ToString());
}
}
}