internal ComplexPropertyInterceptor(ChangeTrackingSettings changeTrackingSettings, Graph graph)
{
_ChangeTrackingSettings = changeTrackingSettings;
_Graph = graph;
_Trackables = new Dictionary <string, object>();
_TrackablesLock = new object();
}
internal ChangeTrackingCollectionInterceptor(IList <T> target, ChangeTrackingSettings changeTrackingSettings, Graph graph)
{
_ChangeTrackingSettings = changeTrackingSettings;
_Graph = graph;
for (int i = 0; i < target.Count; i++)
{
target[i] = ChangeTrackingFactory.Default.AsTrackable(target[i], ChangeStatus.Unchanged, ItemCanceled, _ChangeTrackingSettings, _Graph);
}
_WrappedTarget = new ChangeTrackingBindingList <T>(target, DeleteItem, ItemCanceled, _ChangeTrackingSettings, _Graph);
_DeletedItems = new List <T>();
}
public ChangeTrackingBindingList(IList <T> list, Action <T> deleteItem, Action <T> itemCanceled, ChangeTrackingSettings changeTrackingSettings, Graph graph)
: base(list)
{
_DeleteItem = deleteItem;
_ItemCanceled = itemCanceled;
_ChangeTrackingSettings = changeTrackingSettings;
_Graph = graph;
var bindingListType = typeof(ChangeTrackingBindingList <T>).BaseType;
bindingListType.GetField("raiseItemChangedEvents", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic).SetValue(this, true);
var hookMethod = bindingListType.GetMethod("HookPropertyChanged", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
foreach (var item in list)
{
hookMethod.Invoke(this, new object[] { item });
}
}
internal object AsTrackableCollectionChild(Type type, object target, ChangeTrackingSettings changeTrackingSettings, Graph graph)
{
ThrowIfTargetIsProxy(target);
ProxyWeakTargetMap existing = graph.GetExistingProxyForTarget(target);
if (existing != null)
{
return(existing.Proxy);
}
Type genericArgument = type.GetGenericArguments().First();
object proxy = _ProxyGenerator.CreateInterfaceProxyWithTarget(typeof(IList <>).MakeGenericType(genericArgument),
new[] { typeof(IChangeTrackableCollection <>).MakeGenericType(genericArgument), typeof(IRevertibleChangeTrackingInternal), typeof(IBindingList), typeof(ICancelAddNew), typeof(INotifyCollectionChanged) },
target,
GetOptions(genericArgument),
CreateInterceptor(typeof(ChangeTrackingCollectionInterceptor <>).MakeGenericType(genericArgument), target, changeTrackingSettings, graph));
graph.Add(new ProxyWeakTargetMap(target, proxy));
return(proxy);
}
internal ICollection <T> AsTrackableCollection <T>(ICollection <T> target, ChangeTrackingSettings changeTrackingSettings) where T : class
{
if (!(target is IList <T> list))
{
list = target.ToList();
}
ThrowIfTargetIsProxy(list);
if (list.OfType <IChangeTrackable <T> >().Any(ct => ct.ChangeTrackingStatus != ChangeStatus.Unchanged))
{
throw new InvalidOperationException("some items in the collection are already being tracked");
}
Graph graph = new Graph();
object proxy = _ProxyGenerator.CreateInterfaceProxyWithTarget(typeof(IList <T>),
new[] { typeof(IChangeTrackableCollection <T>), typeof(IRevertibleChangeTrackingInternal), typeof(IBindingList), typeof(ICancelAddNew), typeof(INotifyCollectionChanged) }, list, GetOptions(typeof(T)), new ChangeTrackingCollectionInterceptor <T>(list, changeTrackingSettings, graph));
graph.Add(new ProxyWeakTargetMap(list, proxy));
return((ICollection <T>)proxy);
}
internal T AsTrackable <T>(T target, ChangeStatus status, Action <T> notifyParentListItemCanceled, ChangeTrackingSettings changeTrackingSettings, Graph graph) where T : class
{
ThrowIfTargetIsProxy(target);
ProxyWeakTargetMap existing = graph.GetExistingProxyForTarget(target);
if (existing != null)
{
return((T)existing.Proxy);
}
//if T was ICollection<T> it would of gone to one of the other overloads
if (target as ICollection != null)
{
throw new InvalidOperationException("Only IList<T>, List<T> and ICollection<T> are supported");
}
var changeTrackingInterceptor = new ChangeTrackingInterceptor <T>(status);
var notifyPropertyChangedInterceptor = new NotifyPropertyChangedInterceptor <T>(changeTrackingInterceptor);
var editableObjectInterceptor = new EditableObjectInterceptor <T>(notifyParentListItemCanceled);
var complexPropertyInterceptor = new ComplexPropertyInterceptor <T>(changeTrackingSettings, graph);
var collectionPropertyInterceptor = new CollectionPropertyInterceptor <T>(changeTrackingSettings, graph);
object proxy = _ProxyGenerator.CreateClassProxyWithTarget(typeof(T),
new[] { typeof(IChangeTrackableInternal), typeof(IRevertibleChangeTrackingInternal), typeof(IChangeTrackable <T>), typeof(IChangeTrackingManager), typeof(IComplexPropertyTrackable), typeof(ICollectionPropertyTrackable), typeof(IEditableObjectInternal), typeof(INotifyPropertyChanged) },
target,
GetOptions(typeof(T)),
notifyPropertyChangedInterceptor,
changeTrackingInterceptor,
editableObjectInterceptor,
complexPropertyInterceptor,
collectionPropertyInterceptor);
CopyFieldsAndProperties(source: target, target: proxy);
notifyPropertyChangedInterceptor.IsInitialized = true;
changeTrackingInterceptor.IsInitialized = true;
editableObjectInterceptor.IsInitialized = true;
complexPropertyInterceptor.IsInitialized = true;
collectionPropertyInterceptor.IsInitialized = true;
graph.Add(new ProxyWeakTargetMap(target, proxy));
return((T)proxy);
}
internal object AsTrackableChild(Type type, object target, Action <object> notifyParentItemCanceled, ChangeTrackingSettings changeTrackingSettings, Internal.Graph graph)
{
ThrowIfTargetIsProxy(target);
ProxyWeakTargetMap existing = graph.GetExistingProxyForTarget(target);
if (existing != null)
{
return(existing.Proxy);
}
IInterceptor changeTrackingInterceptor = CreateInterceptor(typeof(ChangeTrackingInterceptor <>).MakeGenericType(type), ChangeStatus.Unchanged);
IInterceptor notifyPropertyChangedInterceptor = CreateInterceptor(typeof(NotifyPropertyChangedInterceptor <>).MakeGenericType(type), changeTrackingInterceptor);
IInterceptor editableObjectInterceptor = CreateInterceptor(typeof(EditableObjectInterceptor <>).MakeGenericType(type), notifyParentItemCanceled);
IInterceptor complexPropertyInterceptor = CreateInterceptor(typeof(ComplexPropertyInterceptor <>).MakeGenericType(type), changeTrackingSettings, graph);
IInterceptor collectionPropertyInterceptor = CreateInterceptor(typeof(CollectionPropertyInterceptor <>).MakeGenericType(type), changeTrackingSettings, graph);
object proxy = _ProxyGenerator.CreateClassProxyWithTarget(type,
new[] { typeof(IChangeTrackableInternal), typeof(IRevertibleChangeTrackingInternal), typeof(IChangeTrackable <>).MakeGenericType(type), typeof(IChangeTrackingManager), typeof(IComplexPropertyTrackable), typeof(ICollectionPropertyTrackable), typeof(IEditableObjectInternal), typeof(INotifyPropertyChanged) },
target,
GetOptions(type),
notifyPropertyChangedInterceptor,
changeTrackingInterceptor,
editableObjectInterceptor,
complexPropertyInterceptor,
collectionPropertyInterceptor);
CopyFieldsAndProperties(type: type, source: target, target: proxy);
((IInterceptorSettings)notifyPropertyChangedInterceptor).IsInitialized = true;
((IInterceptorSettings)changeTrackingInterceptor).IsInitialized = true;
((IInterceptorSettings)editableObjectInterceptor).IsInitialized = true;
((IInterceptorSettings)complexPropertyInterceptor).IsInitialized = true;
((IInterceptorSettings)collectionPropertyInterceptor).IsInitialized = true;
graph.Add(new ProxyWeakTargetMap(target, proxy));
return(proxy);
}
internal T AsTrackable <T>(T target, ChangeTrackingSettings changeTrackingSettings, ChangeStatus status = ChangeStatus.Unchanged) where T : class
{
return(AsTrackable(target, status, null, changeTrackingSettings, new Graph()));
}