new VariableNameValidator()));
refactoring = new IntroduceNewVariableRefactoring();
// run rename function refactoring
} else if (actionId.equals("org.erlide.wrangler.refactoring.renamefunction")) {
refactoring = new RenameFunctionRefactoring();
final CostumworkFlowInputPage page = new CostumworkFlowInputPage(
"Rename function", "Please type the new function name!",
"New function name:", "New name must be a valid Erlang atom!",
new AtomValidator());
page.setInput(refactoring.getDefaultValue());