/// <summary>
/// Initializes a new instance of the <see cref="AttachedBindingMemberInfo{TTarget,TType}" /> class.
/// </summary>
public AttachedBindingMemberInfo(string path, Type type,
Action <TTarget, MemberAttachedEventArgs> memberAttachedHandler,
Func <IBindingMemberInfo, TTarget, IEventListener, IDisposable> observeMemberDelegate,
Func <IBindingMemberInfo, TTarget, object[], TType> getValue, Func <IBindingMemberInfo, TTarget, TType> getValueSimple,
Func <IBindingMemberInfo, TTarget, object[], object> setValue, Action <IBindingMemberInfo, TTarget, TType> setValueSimple,
MemberInfo member, BindingMemberType memberType = null)
{
Should.NotBeNullOrWhitespace(path, "path");
Should.NotBeNull(type, "type");
if (getValue == null)
{
_getValueSimple = getValueSimple ?? GetValueThrow <TTarget, TType>;
}
else
{
_getValue = getValue;
}
if (setValue == null)
{
_setValueSimple = setValueSimple ?? SetValueThrow;
}
else
{
_setValue = setValue;
}
_path = path;
_memberAttachedHandler = memberAttachedHandler;
_observeMemberDelegate = observeMemberDelegate;
_type = type ?? typeof(object);
_member = member;
_memberType = memberType ?? BindingMemberType.Attached;
_canRead = getValue != null || getValueSimple != null;
_canWrite = setValue != null || setValueSimple != null;
_id = MemberPrefix + Interlocked.Increment(ref _counter).ToString() + "." + path;
}
/// <summary>
/// Initializes a new instance of the <see cref="BindingMemberInfo" /> class.
/// </summary>
private BindingMemberInfo(string path, BindingMemberType memberType, Type type)
{
Should.NotBeNull(path, "path");
Should.NotBeNull(type, "type");
_type = type;
_memberType = memberType;
_path = path;
}
private BindingMemberInfo(string path, BindingMemberType memberType, Type type)
{
Should.NotBeNull(path, nameof(path));
Should.NotBeNull(type, nameof(type));
_type = type;
_memberType = memberType;
_path = path;
}
public BindingMemberInfo(IBindingMemberInfo attachedIndexerMember, string path)
{
var accessor = new AttachedIndexerAccessor(attachedIndexerMember, BindingReflectionExtensions.GetIndexerValues(path, castType: typeof(string)));
_getValueAccessor = accessor.GetValue;
_setValueAccessor = accessor.SetValue;
_indexerAttachedBindingMember = attachedIndexerMember;
_memberType = attachedIndexerMember.MemberType;
_type = attachedIndexerMember.Type;
_canRead = attachedIndexerMember.CanRead;
_canWrite = attachedIndexerMember.CanWrite;
_canObserve = attachedIndexerMember.CanObserve;
}
private BindingMemberInfo(string path, BindingMemberType memberType, bool hasSetter = false)
: this(path, memberType, typeof(object))
{
if (memberType == BindingMemberType.BindingContext)
{
_canObserve = true;
_isDataContext = true;
_getValueAccessorSingle = o =>
{
if (o == null)
{
return(null);
}
return(BindingServiceProvider.ContextManager.GetBindingContext(o).Value);
};
_setValueAccessorSingle = (o, arg) => BindingServiceProvider.ContextManager.GetBindingContext(o).Value = arg;
_canRead = true;
_canWrite = true;
_isSingleParameter = true;
}
else if (memberType == BindingMemberType.Empty)
{
if (hasSetter)
{
_getValueAccessor = (o, objects) => null;
_setValueAccessor = (o, objects) => null;
}
else
{
_getValueAccessorSingle = o => o;
_setValueAccessorSingle = NotSupportedSetter;
_isSingleParameter = true;
}
_canRead = true;
_canWrite = _setValueAccessorSingle != null;
}
else if (memberType == BindingMemberType.Unset)
{
_getValueAccessorSingle = o => BindingConstants.UnsetValue;
_setValueAccessorSingle = NotSupportedSetter;
_canRead = true;
_canWrite = false;
_isSingleParameter = true;
}
}
public static IAttachedBindingMemberInfo <object, object> CreateMember([NotNull] string path, [NotNull] Type type,
[CanBeNull] Func <IBindingMemberInfo, object, object[], object> getValueEx,
[CanBeNull] Func <IBindingMemberInfo, object, object[], object> setValue = null,
[CanBeNull] Func <IBindingMemberInfo, object, IEventListener, IDisposable> observeMemberDelegate = null,
Action <object, MemberAttachedEventArgs> memberAttachedHandler = null, object member = null, BindingMemberType memberType = null)
{
return(CreateMember(path, getValueEx, setValue, observeMemberDelegate, memberAttachedHandler, member, memberType).UpdateType(type));
}
public static IAttachedBindingMemberInfo <TTarget, TType> CreateMember <TTarget, TType>(BindingMemberDescriptor <TTarget, TType> path,
[CanBeNull] Func <IBindingMemberInfo, TTarget, object[], TType> getValueEx,
[CanBeNull] Func <IBindingMemberInfo, TTarget, object[], object> setValue = null,
[CanBeNull] Func <IBindingMemberInfo, TTarget, IEventListener, IDisposable> observeMemberDelegate = null,
Action <TTarget, MemberAttachedEventArgs> memberAttachedHandler = null, object member = null, BindingMemberType memberType = null)
where TTarget : class
{
return(new AttachedBindingMemberInfo <TTarget, TType>(path, typeof(TType), memberAttachedHandler,
observeMemberDelegate, getValueEx, null, setValue, null, member, memberType));
}
public AttachedBindingMemberInfo(string path, Type type,
Action <TTarget, MemberAttachedEventArgs> memberAttachedHandler,
Action <TTarget, AttachedMemberChangedEventArgs <TType> > memberChangedHandler, Func <TTarget, IBindingMemberInfo, TType> getDefaultValue, TType defaultValue, BindingMemberType memberType = null)
: this(path, type, memberAttachedHandler, ObserveAttachedDelegate, null, GetAttachedValueDelegate, null, SetAttachedValueDelegate, null, memberType)
{
_memberChangedHandler = memberChangedHandler;
_getDefaultValue = getDefaultValue;
_defaultValue = defaultValue;
_isAttachedProperty = true;
RaiseAction = RaiseAttachedPropertyDelegate;
}
