public FieldComparsionViewModel(IValidationScope context, IVariable <Type> field, BinaryOperator?op = null, ComparsionValueViewModel value = null)
{
this.KeyDownCommand = new RelayCommand <KeyEventArgs>(args =>
{
if (args.Key == Key.Return || args.Key == Key.Enter)
{
RequestReadyMode();
}
});
this.context = context;
this.field = field;
this.op = op;
this.value = value;
this.state = field == null
? FieldComparsionState.Phase1_FieldMissing
: op == null
? FieldComparsionState.Phase2_OperatorMissing
: value == null
? FieldComparsionState.Phase3_ValueMissing
: FieldComparsionState.ReadyToUse;
ComputePossibleStates();
UpdateField();
}
public static FilterBoxViewModel NewComparsion(IValidationScope context, bool negate, IVariable <Type> field, BinaryOperator op, ComparsionValueViewModel value)
{
return(new FilterBoxViewModel(context, negate, new FieldComparsionViewModel(context, field, op, value))
{
state = FilterBoxState.ReadyToUse
});
}