public StringBuilder BuildControl(string filePhysicalPath, string fileVirtualPath, string tempDirectoryPhysicalPath,
string tempDirectoryVirtualPath, string appDomain, string appRootUrl)
{
try
{
string fileExtension = Path.GetExtension(fileVirtualPath);
string frameSource = fileVirtualPath;
SupportedExtensions extension = (SupportedExtensions)Enum.Parse(typeof(SupportedExtensions), fileExtension.Replace(".", ""));
IConverter converter = ConverterFactory.GetConverter(extension);
if (converter != null)
{
string tempFileName = converter.Convert(filePhysicalPath, tempDirectoryPhysicalPath);
if (string.IsNullOrEmpty(tempFileName))
{
throw new Exception("An error ocurred while trying to convert the file");
}
frameSource = string.Format("{0}/{1}", tempDirectoryVirtualPath, tempFileName);
}
if (PdfRenderer == PdfRenderers.PdfJs && Enum.IsDefined(typeof(PdfJsSupportedExtensions), extension.ToString()))
{
frameSource = string.Format("{0}{1}Scripts/pdf.js/web/viewer.html?file={0}{2}", appDomain, appRootUrl, frameSource);
}
else
{
frameSource = string.Format("{0}/{1}", appDomain, frameSource);
}
StringBuilder sb = new StringBuilder();
sb.Append("<iframe ");
if (!string.IsNullOrEmpty(ID))
{
sb.Append("id=" + ClientID + " ");
}
sb.Append("src=" + frameSource + " ");
sb.Append("width=" + Width.ToString() + " ");
sb.Append("height=" + Height.ToString() + ">");
sb.Append("</iframe>");
return(sb);
}
catch
{
return(new StringBuilder("Cannot display document viewer"));
}
}