async Task Save <TEntity>(TEntity entity, TypeDescriptor declaringTypeDescriptor, bool @async)
{
await this.Insert(entity, null, @async);
TypeDescriptor typeDescriptor = EntityTypeContainer.GetDescriptor(typeof(TEntity));
for (int i = 0; i < typeDescriptor.ComplexPropertyDescriptors.Count; i++)
{
//entity.TOther
ComplexPropertyDescriptor navPropertyDescriptor = typeDescriptor.ComplexPropertyDescriptors[i];
if (declaringTypeDescriptor != null && navPropertyDescriptor.PropertyType == declaringTypeDescriptor.Definition.Type)
{
continue;
}
await this.SaveOneToOne(navPropertyDescriptor, entity, typeDescriptor, @async);
}
for (int i = 0; i < typeDescriptor.CollectionPropertyDescriptors.Count; i++)
{
//entity.List
CollectionPropertyDescriptor collectionPropertyDescriptor = typeDescriptor.CollectionPropertyDescriptors[i];
await this.SaveCollection(collectionPropertyDescriptor, entity, typeDescriptor, @async);
}
}
public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object value, Attribute[] attributes)
{
PropertyDescriptor[] array = null;
ICollection list = value as ICollection;
if (list != null)
{
array = new PropertyDescriptor[list.Count];
Type type = typeof(ICollection);
int i = 0;
foreach (object o in list)
{
string name = string.Format(CultureInfo.InvariantCulture,
"[{0}]", i.ToString("d" + list.Count.ToString
(NumberFormatInfo.InvariantInfo).Length, null) +
":" + Midi.MidiManager.GetNoteName((SevenBitNumber)i));
switch (o)
{
case TimbreBase tim:
name += " " + tim.TimbreName;
break;
case DrumTimbre dtim:
name += " " + dtim.TimbreName;
break;
}
CollectionPropertyDescriptor cpd = new CollectionPropertyDescriptor(context, type, name, o.GetType(), i);
array[i] = cpd;
i++;
}
}
return(new PropertyDescriptorCollection(array));
}
/// <summary>
/// Constructor
/// </summary>
public CollectionPropertyMetadata(
CollectionPropertyDescriptor desc,
Func <string> display,
Func <Entity, object, IEnumerable <ValidationResult> > validate,
Func <TypeMetadata> getCollectionTargetTypeMetadata) : base(desc, display, validate, null, null)
{
_getCollectionTargetTypeMetadata = getCollectionTargetTypeMetadata;
}
public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object value, Attribute[] attributes)
{
PropertyDescriptor[] array = null;
ICollection list = value as ICollection;
if (list != null)
{
array = new PropertyDescriptor[list.Count];
Type type = typeof(ICollection);
int i = 0;
foreach (object o in list)
{
string name = string.Format(CultureInfo.InvariantCulture,
"[{0}]", i.ToString("d" + list.Count.ToString
(NumberFormatInfo.InvariantInfo).Length, null));
CollectionPropertyDescriptor cpd = new CollectionPropertyDescriptor(context, type, name, o.GetType(), i);
array[i] = cpd;
i++;
}
}
return new PropertyDescriptorCollection(array);
}
async Task SaveCollection(CollectionPropertyDescriptor collectionPropertyDescriptor, object owner, TypeDescriptor ownerTypeDescriptor, bool @async)
{
PrimitivePropertyDescriptor ownerKeyPropertyDescriptor = ownerTypeDescriptor.PrimaryKeys.FirstOrDefault();
if (ownerKeyPropertyDescriptor == null)
{
return;
}
//T.Elements
IList elementList = collectionPropertyDescriptor.GetValue(owner) as IList;
if (elementList == null || elementList.Count == 0)
{
return;
}
TypeDescriptor elementTypeDescriptor = EntityTypeContainer.GetDescriptor(collectionPropertyDescriptor.ElementType);
//Element.T
ComplexPropertyDescriptor elementDotT = elementTypeDescriptor.ComplexPropertyDescriptors.Where(a => a.PropertyType == ownerTypeDescriptor.Definition.Type).FirstOrDefault();
object ownerKeyValue = ownerKeyPropertyDescriptor.GetValue(owner);
MethodInfo saveMethod = GetSaveMethod(collectionPropertyDescriptor.ElementType);
for (int i = 0; i < elementList.Count; i++)
{
object element = elementList[i];
if (element == null)
{
continue;
}
//element.ForeignKey = T.Id
elementDotT.ForeignKeyProperty.SetValue(element, ownerKeyValue);
//DbContext.Save(element, ownerTypeDescriptor, @async);
Task task = (Task)saveMethod.Invoke(this, element, ownerTypeDescriptor, @async);
await task;
}
}
public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object value, Attribute[] attributes)
{
PropertyDescriptor[] array = null;
ICollection list = value as ICollection;
if (list != null)
{
array = new PropertyDescriptor[list.Count];
Type type = typeof(ICollection);
int i = 0;
foreach (object o in list)
{
string name = string.Format(CultureInfo.InvariantCulture,
"[{0}]", i.ToString("d" + list.Count.ToString
(NumberFormatInfo.InvariantInfo).Length, null));
switch (o)
{
case ProgramAssignmentNumber pan:
break;
case CombinedTimbreSettings cts:
name += " " + cts.TimbreNumber;
break;
case CombinedTimbre ctim:
name += " " + ctim.TimbreName;
break;
case TimbreBase tim:
name += " " + tim.TimbreName;
break;
case DrumTimbre dtim:
name += " " + dtim.TimbreName;
break;
case Object obj:
//dynamic dobj = obj;
//try
//{
// name += " " + dobj.TimbreName;
//}
//catch
//{
// try
// {
// name += " " + dobj.Memo;
// }
// catch
// {
// }
//}
break;
}
CollectionPropertyDescriptor cpd = new CollectionPropertyDescriptor(context, type, name, o.GetType(), i);
array[i] = cpd;
i++;
}
}
return(new PropertyDescriptorCollection(array));
}
