private static void FlattenChildren(
List <TreeTypeChild> fieldsAndChoices, List <Field> fields, bool makeOptional)
{
foreach (var fieldOrChoice in fieldsAndChoices)
{
switch (fieldOrChoice)
{
case Field field:
if (makeOptional && !AbstractFileWriter.IsAnyNodeList(field.Type))
{
field.Optional = true;
}
fields.Add(field);
break;
case Choice choice:
// Children of choices are always optional (since the point is to
// chose from one of them and leave out the rest).
FlattenChildren(choice.Children, fields, makeOptional: true);
break;
case Sequence sequence:
FlattenChildren(sequence.Children, fields, makeOptional || sequence.Optional);
break;
default:
throw new InvalidOperationException("Unknown child type.");
}
}
}
void SetFileNameToWrite(AbstractFileWriter _writer)
{
OpenFileDialog Dialog = new OpenFileDialog
{
Filter = Properties.Resources.FilesExtensionsFilter
, CheckFileExists = true
, Multiselect = true
};
if (Dialog.ShowDialog() == true)
{
_writer.SetFileToWrite(Dialog.FileName);
}
}
