public static void SetBinding(this BackingFieldsStore.IBackingFieldInfo target, FieldBinding binding)
{
FieldBindingOperations.SetBinding(target, binding);
}
/// <summary>
/// Sets the binding between to fields.
/// </summary>
/// <param name="target">The target field.</param>
/// <param name="binding">The binding.</param>
public static void SetBinding(BackingFieldsStore.IBackingFieldInfo target, FieldBinding binding)
{
//BindingOperations.SetBinding(target, BackingFieldsStore.BackingFieldInfo.ValueProperty, binding);
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (binding == null)
{
throw new ArgumentNullException(nameof(binding));
}
if (binding.Converter == null)
{
binding.Converter = DataTypeConverter.Default;
}
var existingBinding = GetBindings(binding.Source, target);
if (existingBinding != null)
{
throw new InvalidOperationException("Allready binding configured!"); // TODO concept: silent overwrite synchronization?
}
binding.Target = target;
switch (binding.Mode)
{
case BindingMode.TwoWay:
case BindingMode.OneTime:
case BindingMode.OneWay:
target.Value = binding.Converter.Convert(binding.Source.Value, target.Type, null, CultureInfo.CurrentCulture);
break;
case BindingMode.OneWayToSource:
binding.Source.Value = binding.Converter.ConvertBack(target.Value, binding.Source.Type, null, CultureInfo.CurrentCulture);
break;
default: goto case BindingMode.TwoWay;
}
switch (binding.Mode)
{
case BindingMode.TwoWay:
binding.Add(
(s, e) => target.Value = binding.Converter.Convert(binding.Source.Value, target.Type, null, CultureInfo.CurrentCulture),
(s, e) => binding.Source.Value = binding.Converter.ConvertBack(target.Value, binding.Source.Type, null, CultureInfo.CurrentCulture));
break;
case BindingMode.OneWay:
binding.Add(
(s, e) => target.Value = binding.Converter.Convert(binding.Source.Value, target.Type, null, CultureInfo.CurrentCulture), null);
break;
case BindingMode.OneWayToSource:
binding.Add(null,
(s, e) => binding.Source.Value = binding.Converter.ConvertBack(target.Value, binding.Source.Type, null, CultureInfo.CurrentCulture));
break;
default: goto case BindingMode.TwoWay;
}
if (binding.HasEvents)
{
Bindings.Add(binding);
}
}
private static FieldBinding GetBindings(BackingFieldsStore.IBackingFieldInfo source, BackingFieldsStore.IBackingFieldInfo target)
{
return(Bindings.FirstOrDefault(f => f.Source == source && f.Target == target || f.Source == target && f.Target == source));
}
/// <summary>
/// Initializes a new instance of the <see cref="FieldBinding"/> class.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="mode">The mode.</param>
/// <param name="converter">The converter.</param>
/// <autogeneratedoc />
public FieldBinding(BackingFieldsStore.IBackingFieldInfo source, BindingMode mode = BindingMode.Default, IValueConverter converter = null)
{
Source = source;
Mode = mode;
Converter = converter ?? DataTypeConverter.Default;
}