private void AddPropertyExecute(object obj)
{
ICollectionView cv = CollectionViewSource.GetDefaultView(PropertyValues);
var item = cv.CurrentItem as NdfPropertyValue;
if (item == null)
{
return;
}
var type = NdfType.Unset;
foreach (NdfObject instance in Object.Class.Instances)
{
foreach (NdfPropertyValue propertyValue in instance.PropertyValues)
{
if (propertyValue.Property.Id == item.Property.Id)
{
if (propertyValue.Type != NdfType.Unset)
{
type = propertyValue.Type;
}
}
}
}
if (type == NdfType.Unset || type == NdfType.Unknown)
{
return;
}
item.Value = NdfTypeManager.GetValue(new byte[NdfTypeManager.SizeofType(type)], type, item.Manager);
}
public NdfMap(MapValueHolder key, MapValueHolder value, NdfBinary mgr)
: base(NdfType.Map, value)
{
Key = key;
Manager = mgr;
_typeSelection.AddRange(NdfTypeManager.GetTypeSelection());
}
public AddCollectionItemViewModel(NdfBinary mgr, Window view)
{
Manager = mgr;
View = view;
OkCommand = new ActionCommand(OkCommandExecute, () => Type != NdfType.Unset);
CancelCommand = new ActionCommand(CancelCommandExecute);
_typeSelection.AddRange(NdfTypeManager.GetTypeSelection());
}
private NdfValueWrapper GetCopiedValue(IValueHolder toCopy)
{
NdfValueWrapper copiedValue = null;
switch (toCopy.Value.Type)
{
case NdfType.ObjectReference:
var origInst = toCopy.Value as NdfObjectReference;
if (origInst != null && !origInst.Instance.IsTopObject)
{
copiedValue = new NdfObjectReference(origInst.Class, CopyInstance(origInst.Instance).Id);
}
else
{
copiedValue = NdfTypeManager.GetValue(toCopy.Value.GetBytes(), toCopy.Value.Type, toCopy.Manager);
}
break;
case NdfType.List:
case NdfType.MapList:
var copiedItems = new List <CollectionItemValueHolder>();
var collection = toCopy.Value as NdfCollection;
if (collection != null)
{
copiedItems.AddRange(collection.Select(entry => new CollectionItemValueHolder(GetCopiedValue(entry), toCopy.Manager)));
}
copiedValue = new NdfCollection(copiedItems);
break;
case NdfType.Map:
var map = toCopy.Value as NdfMap;
if (map != null)
{
copiedValue = new NdfMap(new MapValueHolder(GetCopiedValue(map.Key), toCopy.Manager),
new MapValueHolder(GetCopiedValue(map.Value as IValueHolder), toCopy.Manager), toCopy.Manager);
}
break;
default:
copiedValue = NdfTypeManager.GetValue(toCopy.Value.GetBytes(), toCopy.Value.Type, toCopy.Manager);
break;
}
return(copiedValue);
}
private void GetValueForType(bool keyOrValue)
{
if (keyOrValue)
{
Key =
new MapValueHolder(
NdfTypeManager.GetValue(new byte[NdfTypeManager.SizeofType(KeyType)], KeyType, Manager), Manager);
}
else
{
Value =
new MapValueHolder(
NdfTypeManager.GetValue(new byte[NdfTypeManager.SizeofType(ValueType)], ValueType, Manager), Manager);
}
OnPropertyChanged("IsKeyNull");
OnPropertyChanged("IsValueNull");
}
private void RemovePropertyExecute(object obj)
{
ICollectionView cv = CollectionViewSource.GetDefaultView(PropertyValues);
var item = cv.CurrentItem as NdfPropertyValue;
if (item == null || item.Type == NdfType.Unset || item.Type == NdfType.Unknown)
{
return;
}
MessageBoxResult result = MessageBox.Show("Do you want to set this property to null?", "Confirmation",
MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result == MessageBoxResult.Yes)
{
item.Value = NdfTypeManager.GetValue(new byte[0], NdfType.Unset, item.Manager);
}
}
private void AddRowOfCommonTypeExecute(object obj)
{
var cv = CollectionViewSource.GetDefaultView(Value);
if (cv == null)
{
return;
}
NdfType type =
Value.GroupBy(x => x.Value.Type).OrderByDescending(gp => gp.Count()).Select(x => x.First().Value.Type).
Single();
var wrapper =
new CollectionItemValueHolder(NdfTypeManager.GetValue(new byte[NdfTypeManager.SizeofType(type)], type, NdfbinManager), NdfbinManager);
if (IsInsertMode)
{
if (cv.CurrentItem == null)
{
return;
}
var val = cv.CurrentItem as CollectionItemValueHolder;
if (val == null)
{
return;
}
Value.Insert(cv.CurrentPosition + 1, wrapper);
}
else
{
Value.Add(wrapper);
}
cv.MoveCurrentTo(wrapper);
}
private void GetValueForType()
{
Wrapper = new CollectionItemValueHolder(NdfTypeManager.GetValue(new byte[NdfTypeManager.SizeofType(Type)], Type, Manager), Manager);
}
/// <summary>
/// Reads the value of a Property inside a object instance.
/// </summary>
/// <param name="ms"></param>
/// <param name="binary"></param>
/// <returns>A NdfValueWrapper Instance.</returns>
protected NdfValueWrapper ReadValue(Stream ms, NdfBinary binary)
{
uint contBufferlen;
NdfValueWrapper value;
var buffer = new byte[4];
ms.Read(buffer, 0, buffer.Length);
NdfType type = NdfTypeManager.GetType(buffer);
if (type == NdfType.Unknown)
{
throw new InvalidDataException("Unknown datatypes are not supported!");
}
if (type == NdfType.Reference)
{
ms.Read(buffer, 0, buffer.Length);
type = NdfTypeManager.GetType(buffer);
}
switch (type)
{
case NdfType.Unknown:
case NdfType.WideString:
case NdfType.List:
case NdfType.MapList:
case NdfType.Blob:
case NdfType.ZipBlob:
ms.Read(buffer, 0, buffer.Length);
contBufferlen = BitConverter.ToUInt32(buffer, 0);
if (type == NdfType.ZipBlob)
{
if (ms.ReadByte() != 1)
{
throw new InvalidDataException("has to be checked.");
}
}
break;
default:
contBufferlen = NdfTypeManager.SizeofType(type);
break;
}
switch (type)
{
case NdfType.MapList:
case NdfType.List:
NdfCollection lstValue = type == NdfType.List ? new NdfCollection() : new NdfMapList();
for (int i = 0; i < contBufferlen; i++)
{
CollectionItemValueHolder res;
if (type == NdfType.List)
{
res = new CollectionItemValueHolder(ReadValue(ms, binary), binary);
}
else
{
res = new CollectionItemValueHolder(
new NdfMap(
new MapValueHolder(ReadValue(ms, binary), binary),
new MapValueHolder(ReadValue(ms, binary), binary),
binary), binary);
}
lstValue.Add(res);
}
value = lstValue;
break;
case NdfType.Map:
value = new NdfMap(
new MapValueHolder(ReadValue(ms, binary), binary),
new MapValueHolder(ReadValue(ms, binary), binary),
binary);
break;
default:
var contBuffer = new byte[contBufferlen];
ms.Read(contBuffer, 0, contBuffer.Length);
value = NdfTypeManager.GetValue(contBuffer, type, binary);
break;
}
return(value);
}
/// <summary>
/// Reads the value of a Property inside a object instance.
/// </summary>
/// <param name="ms"></param>
/// <param name="triggerBreak"></param>
/// <param name="prop"></param>
/// <returns>A NdfValueWrapper Instance.</returns>
protected NdfValueWrapper ReadValue(MemoryStream ms, out bool triggerBreak, NdfPropertyValue prop)
{
var buffer = new byte[4];
uint contBufferlen;
NdfValueWrapper value;
triggerBreak = false;
ms.Read(buffer, 0, buffer.Length);
var type = NdfTypeManager.GetType(buffer);
if (type == NdfType.Reference)
{
ms.Read(buffer, 0, buffer.Length);
type = NdfTypeManager.GetType(buffer);
}
switch (type)
{
case NdfType.WideString:
case NdfType.List:
case NdfType.MapList:
ms.Read(buffer, 0, buffer.Length);
contBufferlen = BitConverter.ToUInt32(buffer, 0);
break;
default:
contBufferlen = NdfTypeManager.SizeofType(type);
break;
}
if (type == NdfType.Unknown)
{
//var t = _unknownTypes.SingleOrDefault(x => Utils.ByteArrayCompare(x, buffer));
//if (t == default(byte[]))
//{
// _unknownTypes.Add(buffer);
// _unknownTypesCount.Add(1);
//}
//else
// _unknownTypesCount[_unknownTypes.IndexOf(t)]++;
triggerBreak = true;
return(new NdfUnkown(buffer, ms.Position));
}
if (type == NdfType.List || type == NdfType.MapList)
{
NdfCollection lstValue;
if (type == NdfType.List)
{
lstValue = new NdfCollection(ms.Position);
}
else
{
lstValue = new NdfMapList(ms.Position);
}
CollectionItemValueHolder res;
for (int i = 0; i < contBufferlen; i++)
{
if (type == NdfType.List)
{
res = new CollectionItemValueHolder(ReadValue(ms, out triggerBreak, prop), this, prop.InstanceOffset);
}
else
{
res = new CollectionItemValueHolder(
new NdfMap(
new MapValueHolder(ReadValue(ms, out triggerBreak, prop), this, prop.InstanceOffset),
new MapValueHolder(ReadValue(ms, out triggerBreak, prop), this, prop.InstanceOffset),
ms.Position),
this, prop.InstanceOffset);
}
lstValue.Add(res);
if (triggerBreak)
{
break;
}
}
value = lstValue;
}
else if (type == NdfType.Map)
{
value = new NdfMap(
new MapValueHolder(ReadValue(ms, out triggerBreak, prop), this, prop.InstanceOffset),
new MapValueHolder(ReadValue(ms, out triggerBreak, prop), this, prop.InstanceOffset),
ms.Position);
}
else
{
var contBuffer = new byte[contBufferlen];
ms.Read(contBuffer, 0, contBuffer.Length);
if (prop != null)
{
prop.ValueData = contBuffer;
}
value = NdfTypeManager.GetValue(contBuffer, type, this, ms.Position - contBuffer.Length);
}
return(value);
}
