/// <summary>
/// Handler for if a child string changes
/// </summary>
/// <param name="elementID">Element Id</param>
/// <param name="newValue">New Value</param>
protected virtual void OnStringElementChanged(long elementID, XString newValue)
{
if (primitiveMap.ContainsKey(elementID))
{
SyncPrimitive primitive = primitiveMap[elementID];
primitive.UpdateFromRemote(newValue);
NotifyPrimitiveChanged(primitive);
}
else
{
LogUnknownElement(elementID.ToString(), newValue.GetString(), typeof(string));
}
}
/// <summary>
/// Handler for if a child double changes
/// </summary>
/// <param name="elementID">Element Id</param>
/// <param name="newValue">New Value</param>
protected virtual void OnDoubleElementChanged(long elementID, double newValue)
{
if (primitiveMap.ContainsKey(elementID))
{
SyncPrimitive primitive = primitiveMap[elementID];
primitive.UpdateFromRemote(newValue);
NotifyPrimitiveChanged(primitive);
}
else
{
LogUnknownElement(elementID.ToString(), newValue.ToString(CultureInfo.InvariantCulture), typeof(double));
}
}
/// <summary>
/// Register a new data model primitive as part of this object. Can be called multiple times on the same child.
/// </summary>
/// <param name="data">Sync Primitive Data</param>
protected void AddChild(SyncPrimitive data)
{
if (data.HasNetworkElement)
{
long guid = data.Guid;
Assert.AreNotEqual(SharingClient.kInvalidXGuid, guid, "A primitive GUID should never be invalid if it is networked.");
primitiveMap.Add(guid, data);
}
if (!primitives.Contains(data))
{
primitives.Add(data);
}
}
/// <summary>
/// Remove a child primitive that belongs to this object.
/// </summary>
/// <param name="data">Sync Primitive Data</param>
protected void RemoveChild(SyncPrimitive data)
{
// Manually remove from maps
if (primitives.Remove(data) && data.HasNetworkElement)
{
primitiveMap.Remove(data.NetworkElement.GetGUID());
// Object has been removed internally, notify network
ObjectElement parentElement = ObjectElement.Cast(data.NetworkElement.GetParent());
if (parentElement != null)
{
parentElement.RemoveElement(data.NetworkElement);
}
}
}
/// <summary>
/// Initializes this object for local use. Doesn't wait for network initialization.
/// </summary>
/// <param name="parentElement">Parent element of this SyncObject.</param>
public override void InitializeLocal(ObjectElement parentElement)
{
// Auto create element if needed
if (Element == null)
{
Element = parentElement.CreateObjectElement(XStringFieldName, GetType().FullName, Owner);
NetworkElement = Element;
}
// Initialize all primitives
for (int i = 0; i < primitives.Count; i++)
{
SyncPrimitive data = primitives[i];
data.InitializeLocal(Element);
primitiveMap[data.Guid] = data;
}
// Complete the initialization
if (InitializationComplete != null)
{
InitializationComplete(this);
}
}
protected virtual void NotifyPrimitiveChanged(SyncPrimitive primitive)
{
ObjectChanged.RaiseEvent(this);
}
private void InitializePrimitives()
{
primitiveMap = new Dictionary <long, SyncPrimitive>();
primitives = new List <SyncPrimitive>();
// Scan the type of object this is a look for the SyncDataAttribute
Type baseType = GetType();
#if WINDOWS_UWP
var typeFields = baseType.GetRuntimeFields();
#else
var typeFields = baseType.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
#endif
foreach (FieldInfo typeField in typeFields)
{
SyncDataAttribute attribute = null;
#if WINDOWS_UWP
attribute = typeField.GetCustomAttribute <SyncDataAttribute>(true);
#else
object[] customAttributes = typeField.GetCustomAttributes(typeof(SyncDataAttribute), true);
if (customAttributes.Length > 0)
{
attribute = customAttributes[0] as SyncDataAttribute;
}
#endif
if (attribute != null)
{
Type fieldType = typeField.FieldType;
string memberName = typeField.Name;
// Override the member name if provided
if (!string.IsNullOrEmpty(attribute.CustomFieldName))
{
memberName = attribute.CustomFieldName;
}
// Auto instantiate the primitive if it doesn't already exist
SyncPrimitive dataPrimitive = typeField.GetValue(this) as SyncPrimitive;
if (dataPrimitive == null)
{
try
{
// Constructors are not inherited, as per Section 1.6.7.1 of the C# Language Specification.
// This means that if a class subclasses Object or Primitive, they must either declare a constructor
// that takes the "memberName" property or use the default (parameter less constructor).
// First check if there is a constructor that takes the member name and if so call it
bool hasConstructor = fieldType.GetConstructor(new[] { typeof(string) }) != null;
if (hasConstructor)
{
dataPrimitive = (SyncPrimitive)Activator.CreateInstance(fieldType, memberName);
}
else
{
// Fallback on using the default constructor and manually assign the member name
dataPrimitive = (SyncPrimitive)Activator.CreateInstance(fieldType, null);
dataPrimitive.FieldName = memberName;
}
typeField.SetValue(this, dataPrimitive);
}
catch (Exception ex)
{
Debug.LogWarningFormat("Unable to create SyncPrimitive of type {0}. Exception: {1}", memberName, ex);
}
}
if (dataPrimitive != null)
{
// Register the child
AddChild(dataPrimitive);
}
}
}
}
