/// <summary>
/// Before rendering the SME into a list of new elements, process the SME.
/// If <c>Touched</c>, <c>sourceSme</c> and <c>editSource</c> is set,
/// this function shall write back the new values instead of
/// producing a new element. Returns True, if a new element shall be rendered.
/// </summary>
public override bool ProcessSmeForRender(
AdminShellPackageEnv packageEnv = null, bool addFilesToPackage = false, bool editSource = false)
{
// refer to base (SME) function, but not caring about result
base.ProcessSmeForRender(packageEnv, addFilesToPackage, editSource);
// access
var file = this.sme as AdminShell.File;
var fileSource = this.sourceSme as AdminShell.File;
// need to do more than the base implementation!
if (file != null)
{
if (packageEnv != null)
{
// source path as given by the user
var sourcePath = this.FileToLoad?.Trim();
if (sourcePath != null && sourcePath.Length > 0)
{
// target path challenge: shall be unqiue
try
{
var onlyFn = System.IO.Path.GetFileNameWithoutExtension(sourcePath);
var onlyExt = System.IO.Path.GetExtension(sourcePath);
var salt = Guid.NewGuid().ToString().Substring(0, 8);
var targetPath = "/aasx/files/";
var targetFn = String.Format("{0}_{1}{2}", onlyFn, salt, onlyExt);
// have package to adopt the file name
packageEnv.PrepareSupplementaryFileParameters(ref targetPath, ref targetFn);
// save
file.value = targetPath + targetFn;
if (addFilesToPackage)
{
packageEnv.AddSupplementaryFileToStore(
sourcePath, targetPath, targetFn, embedAsThumb: false);
}
}
catch (Exception ex)
{
throw new Exception(
$"FormInstanceFile.RenderAasSmeCollection failed while " +
$"writing package for {sourcePath}", ex);
}
}
}
}
// now, may be edit instead of new
if (file != null && Touched && fileSource != null && editSource)
{
fileSource.value = file.value;
return(false);
}
return(true);
}
