var
  ACatItem: TCatalogItem;
  i: Integer;
  ACommaText: WideString;
  ATokens: TTntStringList;
  AToken: WideString;
  AProps: TCatalogItemProps;
  AProp: TCatalogItemProp;
  AItems: TCatalogItems;
begin
  if Selected.Count = 0 then
    Say('No image selected in the Collection Viewer')
  else
  begin
    ACommaText := '';
    if not AskInput('Title', 'Comma list', 'enter a comma separated list of names to assign as catalog labels', ACommaText, False, nil) then
      exit;

    ATokens := TTntStringList.Create;
    AProps := TCatalogItemProps.Create(TCatalogItemProp, '');
    AItems := TCatalogItems.Create(TCatalogItem, '');

    Tokenize(ACommaText, ',', ATokens);
    for i := 0 to ATokens.Count - 1 do
    begin
      AToken := Trim(ATokens.Strings[i]);
      AProp := TCatalogItemProp.Create(nil);
      if not PublicCatalog.FindPropByName(AToken, AProp, '', True) then
      begin
        // store it now
        AProp.PropName := AToken;
        PublicCatalog.StorePropToDatabase(AProp, Catalog.KeywordsGUID, False);
      end;
      AProp.CopyTo(AProps, False);
      AProp.Free;
    end;

    for i := 0 to Selected.Count - 1 do
    begin
      ACatItem := TCatalogItem.Create(nil);

      if PublicCatalog.FindImageCombined(Selected.Items[i], ACatItem, 0, True) then
      begin
        ACatItem.CopyTo(AItems, False);
      end;

      ACatItem.Free;
    end;

    if Ask('Are you sure you want to assign ' + IntToStr(AProps.Count) + ' catalog label(s) ' + CrLf2 + AProps.PropList(CrLf) + CrLf2 + 'to ' + IntToStr(AItems.Count) + ' image(s)?') then
    begin
      PublicCatalog.StoreItemsToTempList(AItems, False);
      PublicCatalog.AddPropsToItemsInTempList(AItems, AProps);
      PublicCatalog.RemoveItemsFromTempList(AItems);
    end;

    AItems.Free;
    AProps.Free;
    ATokens.Free;

  end;
end;