public string GetSourcePropertyParameters(Context context, IAccessorCodeGenerator codeGenerator)
{
var isReadOnlyPropertyBindResult = this.readOnlyDependencyPropertyToNotificationEventResolver.Resolve(
context.BindingSource.SourceType,
codeGenerator.Name);
if (isReadOnlyPropertyBindResult)
{
var delegateType = this.typeResolver.GetType(isReadOnlyPropertyBindResult.Value.NamespaceQualifiedDelegate);
context.ExternAliases.TryAdd(delegateType);
return(@$ "
(s, u) =>
{{
var h = new {delegateType.ToAliasQualifiedType()}((s, e) => u());
s.{isReadOnlyPropertyBindResult.Value.EventName} += h;
return h;
}},
public BindingMode GetBindingMode(BindingMode bindingMode, TargetValueCodeGenerator targetValueCodeGenerator, IAccessorCodeGenerator accessorCodeGenerator)
{
if (bindingMode == BindingMode.Default)
{
if (this.IsBindingOneWayPerDefault(targetValueCodeGenerator))
{
bindingMode = BindingMode.OneWay;
}
else
{
bindingMode = this.xamlPlatform == XamlPlatform.WPF ? BindingMode.TwoWay : BindingMode.OneWay;
}
}
var sourceQualifiedProperty = accessorCodeGenerator.Accessor;
switch (bindingMode)
{
case BindingMode.OneWay when !sourceQualifiedProperty.HasGetter:
throw new NotSupportedException($"The source property {accessorCodeGenerator.Accessor.Type.ToNamespaceQualifiedType()}{sourceQualifiedProperty.Name} must have a getter");
case BindingMode.OneTime when !sourceQualifiedProperty.HasGetter:
throw new NotSupportedException($"The source property {sourceQualifiedProperty.Name} must have a getter");
case BindingMode.OneWayToSource when !sourceQualifiedProperty.HasSetter:
throw new NotSupportedException($"The source property {sourceQualifiedProperty.Name} must have a setter");
case BindingMode.TwoWay when !sourceQualifiedProperty.HasGetter && !sourceQualifiedProperty.HasSetter:
throw new NotSupportedException($"The source property {sourceQualifiedProperty.Name} must have a getter and/or setter");
case BindingMode.TwoWay when sourceQualifiedProperty.HasGetter && !sourceQualifiedProperty.HasSetter:
return(BindingMode.OneWay);
case BindingMode.TwoWay when !sourceQualifiedProperty.HasGetter && sourceQualifiedProperty.HasSetter:
return(BindingMode.OneWayToSource);
}
return(bindingMode);
}
