public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value as OptionsField == null) return null;
_optionsField = (OptionsField)value;
return _optionsField.Options.FirstOrDefault(o => o.IsChecked);
}
/// <summary>
/// Get a static IEnumerable of Options from the OptionsString and Value
/// </summary>
private static IEnumerable<Option> GetOptions(string optionsString, string value, OptionsField parent)
{
if (String.IsNullOrEmpty(optionsString))
{
return new List<Option>();
}
var names = optionsString.Split(',').Select(CsvWriter.Unescape).ToList();
var options = names.Select((t, i) => new Option { Name = t, Parent = parent }).ToArray();
if (!String.IsNullOrEmpty(value))
{
var selectedIndexes = value.Split(',').Select(CsvWriter.Unescape).Select(int.Parse);
foreach (var index in selectedIndexes)
options.ElementAt(index).IsChecked = true;
}
return options;
}
//private so it is not automatically called
private void DeleteOptionsField(OptionsField optionsField)
{
this.ObjectContext.DetachExistingAndAttach(optionsField);
this.ObjectContext.Fields.DeleteObject(optionsField);
}
/// <summary>
/// Create a new OptionsField object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="name">Initial value of the Name property.</param>
/// <param name="required">Initial value of the Required property.</param>
/// <param name="createdDate">Initial value of the CreatedDate property.</param>
/// <param name="allowMultipleSelection">Initial value of the AllowMultipleSelection property.</param>
/// <param name="typeInt">Initial value of the TypeInt property.</param>
public static OptionsField CreateOptionsField(global::System.Guid id, global::System.String name, global::System.Boolean required, global::System.DateTime createdDate, global::System.Boolean allowMultipleSelection, global::System.Int16 typeInt)
{
OptionsField optionsField = new OptionsField();
optionsField.Id = id;
optionsField.Name = name;
optionsField.Required = required;
optionsField.CreatedDate = createdDate;
optionsField.AllowMultipleSelection = allowMultipleSelection;
optionsField.TypeInt = typeInt;
return optionsField;
}