public void SetProperty(MappingContext <T> parent)
{
SubContext <P> ctx = CreateSubContext(parent);
try
{
var old = ctx.Value;
ctx.Value = Mapping(ctx);
if (!ctx.SupressChange)
{
if (!object.Equals(old, ctx.Value))
{
Signum.Web.Mapping.AssertCanChange(ctx.PropertyRoute);
}
SetValue(parent.Value, ctx.Value);
}
}
catch (Exception e)
{
string error = e is FormatException?ValidationMessage._0HasAnInvalidFormat.NiceToString() :
e is UnauthorizedAccessException ? e.Message :
ValidationMessage.NotPossibleToaAssign0.NiceToString();
ctx.Error.Add(error.FormatWith(PropertyValidator.PropertyInfo.NiceName()));
}
if (!ctx.Empty())
{
parent.AddChild(ctx);
}
}
public Lite <S> TryModifyEntity(MappingContext <Lite <S> > ctx, Lite <S> lite)
{
//commented out because of Lite<FileEntity/FilePathEntity>
if (AvoidEntityMapping || !EntityHasChanges(ctx))
{
return(lite); // If form does not contains changes to the entity
}
if (EntityMapping == null)
{
throw new InvalidOperationException("Changes to Entity {0} are not allowed because EntityMapping is null".FormatWith(lite?.ToString()));
}
var sc = new SubContext <S>(ctx.Prefix, null, ctx.PropertyRoute.Add("Entity"), ctx)
{
Value = lite.Retrieve()
};
sc.Value = EntityMapping(sc);
ctx.AddChild(sc);
if (sc.SupressChange)
{
return(lite);
}
return(sc.Value.ToLite(sc.Value.IsNew));
}
public SubContext <P> CreateSubContext(MappingContext <T> parent)
{
string newPrefix = TypeContextUtilities.Compose(parent.Prefix, PropertyValidator.PropertyInfo.Name);
PropertyRoute route = parent.PropertyRoute.Add(this.PropertyValidator.PropertyInfo);
SubContext <P> ctx = new SubContext <P>(newPrefix, PropertyValidator, route, parent);
if (parent.Value != null)
{
ctx.Value = GetValue(parent.Value);
}
return(ctx);
}
public IEnumerable <MappingContext <S> > GenerateItemContexts(MappingContext <MList <S> > ctx)
{
PropertyRoute route = ctx.PropertyRoute.Add("Item");
var indexPrefixes = ctx.Inputs.IndexPrefixes();
foreach (var index in indexPrefixes.OrderBy(ip => (ctx.GlobalInputs.TryGetC(TypeContextUtilities.Compose(ctx.Prefix, ip, EntityListBaseKeys.Index)) ?? ip).ToInt()))
{
SubContext <S> itemCtx = new SubContext <S>(TypeContextUtilities.Compose(ctx.Prefix, index), null, route, ctx);
yield return(itemCtx);
}
}
public bool Parse <V>(out V value)
{
var mapping = Mapping.ForValue <V>();
if (mapping == null)
{
throw new InvalidOperationException("No mapping for value {0}".FormatWith(typeof(V).TypeName()));
}
var sc = new SubContext <V>(this.Prefix, null, null, this);
value = mapping(sc);
return(!sc.SupressChange);
}
public R GetRuntimeValue <R>(MappingContext <T> ctx, PropertyRoute route)
where R : class, T
{
if (AllowedMappings != null && !AllowedMappings.ContainsKey(typeof(R)))
{
return((R)(object)ctx.None(ValidationMessage.Type0NotAllowed.NiceToString().FormatWith(typeof(R))));
}
Mapping <R> mapping = (Mapping <R>)(AllowedMappings?.TryGetC(typeof(R)) ?? Navigator.EntitySettings(typeof(R)).UntypedMappingLine);
SubContext <R> sc = new SubContext <R>(ctx.Prefix, null, route, ctx)
{
Value = ctx.Value as R
}; // If the type is different, the AutoEntityMapping has the current value but EntityMapping just null
sc.Value = mapping(sc);
ctx.SupressChange = sc.SupressChange;
ctx.AddChild(sc);
return(sc.Value);
}
public override MList <S> GetValue(MappingContext <MList <S> > ctx)
{
using (HeavyProfiler.LogNoStackTrace("GetValue", () => "MListDictionaryMapping<{0}>".FormatWith(typeof(S).TypeName())))
{
if (ctx.Empty())
{
return(ctx.None());
}
MList <S> list = ctx.Value;
var dic = (FilterElements == null ? list : list.Where(FilterElements)).ToDictionary(GetKey);
PropertyRoute route = ctx.PropertyRoute.Add("Item").Continue(MemberList);
string[] namesToAppend = MemberList.Select(MemberAccessGatherer.GetName).NotNull().ToArray();
foreach (MappingContext <S> itemCtx in GenerateItemContexts(ctx))
{
var tce = new TypeContextExpression(new PropertyInfo[0], typeof(S), itemCtx.PropertyRoute, itemCtx.Value);
SubContext <K> subContext = new SubContext <K>(TypeContextUtilities.Compose(itemCtx.Prefix, namesToAppend), null, route, itemCtx);
subContext.Value = KeyMapping(subContext);
if (!dic.ContainsKey(subContext.Value) && OnlyIfPossible)
{
continue;
}
itemCtx.Value = dic.GetOrThrow(subContext.Value);
itemCtx.Value = ElementMapping(itemCtx);
ctx.AddChild(itemCtx);
}
return(list);
}
}
