private ObservableObject(object target,
IDictionary <string, object> values,
Func <IObservableObject <T, W>, T> proxify, string name = null,
IManipulator <W, object> manipulator = null, object meta = null, params Type[] otherTypes)
{
if (!typeof(T).IsInterface)
{
throw new ArgumentException($"{typeof(T).Name} should be interface");
}
if (proxify == null)
{
throw new ArgumentException($"{nameof(proxify)} should not be Null");
}
Meta = meta;
Target = target;
Values = values ?? new Dictionary <string, object>();
Name = name ?? $"ObservableObject@{States.NextId}";
Manipulator = manipulator ?? Manipulator <W, object> .For();
KeysAtom = new Atom($"{Name}.keys");
Proxy = proxify(this);
}
public ObservableValue(TIn value, string name = null, IManipulator manipulator = null, object meta = null) : base(name ?? $"ObservableValue@{States.NextId}")
{
Meta = meta;
Manipulator = manipulator ?? Manipulator <TIn, TOut> .For();
_Value = Manipulator.Enhance(value, default(TIn), Name);
}
protected ObservableList(string name, IManipulator <TIn, TOut> manipulator = null, object meta = null)
{
Values = new List <TIn>();
Name = name ?? $"ObservableArray@{States.NextId}";
Manipulator = manipulator ?? Manipulator <TIn, TOut> .For();
KeysAtom = new Atom(Name);
Meta = meta;
}
protected ObservableMap(string name, IManipulator <TIn, TOut, TKey> manipulator = null, object meta = null)
{
Data = new Map <TKey, IObservableValue <TIn> >();
HasMap = new Map <TKey, IObservableValue <bool> >();
Name = name ?? $"ObservableMap@{States.NextId}";
Manipulator = manipulator ?? Manipulator <TIn, TOut, TKey> .For();
KeysAtom = new Atom($"{Name}.keys()");
Meta = meta;
}
public bool PrepareNewValue(TIn oldValue, TIn changeValue, out TIn newValue)
{
this.CheckIfStateModificationsAreAllowed();
newValue = changeValue;
if (this.HasInterceptors <IValueWillChange <TIn> >())
{
var change = this.NotifyInterceptors(new ValueWillChange <TIn>(newValue, this));
if (change == null)
{
return(false);
}
newValue = change.NewValue;
}
newValue = (TIn)Manipulator.Enhance(newValue, oldValue, Name);
return(!EqualityComparer <TIn> .Default.Equals(newValue, oldValue));
}
public TOut Get(TKey key)
{
return(Manipulator.Dehance(Has(key) ? (Data[key] as IValueReader <TIn>).Value : default(TIn)));
}