public static void SetValue(object instance, MutableMember member, object value)
{
var perspexProperty = FindPerspexProperty(instance, member);
if (value is IBinding)
{
SetBinding(instance, member, perspexProperty, (IBinding)value);
}
else if (perspexProperty != null)
{
((PerspexObject)instance).SetValue(perspexProperty, value);
}
else if (instance is Setter && member.Name == "Value")
{
// TODO: Make this more generic somehow.
var setter = (Setter)instance;
var targetType = setter.Property.PropertyType;
var valuePipeline = new ValuePipeline(member.TypeRepository, null);
var xamlType = member.TypeRepository.GetByType(targetType);
SetClrProperty(instance, member, valuePipeline.ConvertValueIfNecessary(value, xamlType));
}
else
{
SetClrProperty(instance, member, value);
}
}
private static PerspexProperty FindPerspexProperty(object instance, MutableMember member)
{
var target = instance as IPerspexObject;
var attached = member as PerspexAttachableXamlMember;
if (target == null)
{
return(null);
}
PerspexProperty property;
string propertyName;
if (attached == null)
{
propertyName = member.Name;
property = PerspexPropertyRegistry.Instance.GetRegistered((PerspexObject)target)
.FirstOrDefault(x => x.Name == propertyName);
}
else
{
// Ensure the OwnerType's static ctor has been run.
RuntimeHelpers.RunClassConstructor(attached.DeclaringType.UnderlyingType.TypeHandle);
propertyName = attached.DeclaringType.UnderlyingType.Name + '.' + member.Name;
property = PerspexPropertyRegistry.Instance.GetRegistered((PerspexObject)target)
.Where(x => x.IsAttached && x.OwnerType == attached.DeclaringType.UnderlyingType)
.FirstOrDefault(x => x.Name == member.Name);
}
return(property);
}
public static void SetValue(
object instance,
MutableMember member,
object value,
IValueContext context)
{
var perspexProperty = FindPerspexProperty(instance, member);
if (value is IBinding)
{
SetBinding(instance, member, perspexProperty, (IBinding)value);
}
else if (perspexProperty != null)
{
((PerspexObject)instance).SetValue(perspexProperty, value);
}
else if (instance is Setter && member.Name == "Value")
{
// TODO: Make this more generic somehow.
var setter = (Setter)instance;
var targetType = setter.Property.PropertyType;
var xamlType = member.TypeRepository.GetByType(targetType);
var convertedValue = default(object);
if (CommonValueConversion.TryConvert(value, xamlType, context, out convertedValue))
{
SetClrProperty(instance, member, convertedValue);
}
}
else
{
SetClrProperty(instance, member, value);
}
}
public static void SetValue(
object instance,
MutableMember member,
object value,
IValueContext context)
{
var perspexProperty = FindPerspexProperty(instance, member);
if (value is IBinding)
{
SetBinding(instance, member, perspexProperty, context, (IBinding)value);
}
else if (perspexProperty != null)
{
((PerspexObject)instance).SetValue(perspexProperty, value);
}
else if (instance is Setter && member.Name == "Value")
{
// TODO: Make this more generic somehow.
var setter = (Setter)instance;
var targetType = setter.Property.PropertyType;
var xamlType = member.TypeRepository.GetByType(targetType);
var convertedValue = default(object);
if (CommonValueConversion.TryConvert(value, xamlType, context, out convertedValue))
{
SetClrProperty(instance, member, convertedValue);
}
}
else
{
SetClrProperty(instance, member, value);
}
}
public static void SetValue(object instance, MutableMember member, object value)
{
var perspexProperty = FindPerspexProperty(instance, member);
if (value is IBinding)
{
SetBinding(instance, member, perspexProperty, (IBinding)value);
}
else if (perspexProperty != null)
{
((PerspexObject)instance).SetValue(perspexProperty, value);
}
else if (instance is Setter && member.Name == "Value")
{
// TODO: Make this more generic somehow.
var setter = (Setter)instance;
var targetType = setter.Property.PropertyType;
var valuePipeline = new ValuePipeline(member.TypeRepository, null);
var xamlType = member.TypeRepository.GetByType(targetType);
SetClrProperty(instance, member, valuePipeline.ConvertValueIfNecessary(value, xamlType));
}
else
{
SetClrProperty(instance, member, value);
}
}
private static PerspexProperty FindPerspexProperty(object instance, MutableMember member)
{
var registry = PerspexPropertyRegistry.Instance;
var attached = member as PerspexAttachableXamlMember;
var target = instance as PerspexObject;
if (target == null)
{
return(null);
}
if (attached == null)
{
return(registry.FindRegistered(target, member.Name));
}
else
{
var ownerType = attached.DeclaringType.UnderlyingType;
RuntimeHelpers.RunClassConstructor(ownerType.TypeHandle);
return(registry.GetRegistered(target)
.Where(x => x.OwnerType == ownerType && x.Name == attached.Name)
.FirstOrDefault());
}
}
private static PerspexProperty FindPerspexProperty(object instance, MutableMember member)
{
var target = instance as IPerspexObject;
var attached = member as PerspexAttachableXamlMember;
if (target == null)
{
return null;
}
PerspexProperty property;
string propertyName;
if (attached == null)
{
propertyName = member.Name;
property = PerspexPropertyRegistry.Instance.GetRegistered((PerspexObject)target)
.FirstOrDefault(x => x.Name == propertyName);
}
else
{
// Ensure the OwnerType's static ctor has been run.
RuntimeHelpers.RunClassConstructor(attached.DeclaringType.UnderlyingType.TypeHandle);
propertyName = attached.DeclaringType.UnderlyingType.Name + '.' + member.Name;
property = PerspexPropertyRegistry.Instance.GetRegistered((PerspexObject)target)
.Where(x => x.IsAttached && x.OwnerType == attached.DeclaringType.UnderlyingType)
.FirstOrDefault(x => x.Name == member.Name);
}
return property;
}
private static AvaloniaProperty FindAvaloniaProperty(object instance, MutableMember member)
{
var registry = AvaloniaPropertyRegistry.Instance;
var attached = member as AvaloniaAttachableXamlMember;
var target = instance as AvaloniaObject;
if (target == null)
{
return null;
}
if (attached == null)
{
return registry.FindRegistered(target, member.Name);
}
else
{
var ownerType = attached.DeclaringType.UnderlyingType;
RuntimeHelpers.RunClassConstructor(ownerType.TypeHandle);
return registry.GetRegistered(target)
.Where(x => x.OwnerType == ownerType && x.Name == attached.Name)
.FirstOrDefault();
}
}
private static void SetClrProperty(object instance, MutableMember member, object value)
{
if (member.IsAttachable)
{
member.Setter.Invoke(null, new[] { instance, value });
}
else
{
member.Setter.Invoke(instance, new[] { value });
}
}
private static void SetClrProperty(object instance, MutableMember member, object value)
{
if (member.IsAttachable)
{
member.Setter.Invoke(null, new[] { instance, value });
}
else
{
member.Setter.Invoke(instance, new[] { value });
}
}
private MutableMember GetMemberForDottedLocator(PropertyLocator propertyLocator)
{
var ownerName = propertyLocator.Owner.PropertyName;
var ownerPrefix = propertyLocator.Owner.Prefix;
var owner = typeSource.GetByPrefix(ownerPrefix, ownerName);
MutableMember member = owner.GetAttachableMember(propertyLocator.PropertyName);
return(member);
}
private static void SetBinding(
object instance,
MutableMember member,
PerspexProperty property,
IBinding binding)
{
if (!(AssignBinding(instance, member, binding) || ApplyBinding(instance, property, binding)))
{
throw new InvalidOperationException(
$"Cannot assign to '{member.Name}' on '{instance.GetType()}");
}
}
private static void SetBinding(
object instance,
MutableMember member,
PerspexProperty property,
IBinding binding)
{
if (!(AssignBinding(instance, member, binding) || ApplyBinding(instance, property, binding)))
{
throw new InvalidOperationException(
$"Cannot assign to '{member.Name}' on '{instance.GetType()}");
}
}
private static bool AssignBinding(object instance, MutableMember member, IBinding binding)
{
var property = instance.GetType()
.GetRuntimeProperties()
.FirstOrDefault(x => x.Name == member.Name);
if (property?.GetCustomAttribute<AssignBindingAttribute>() != null)
{
property.SetValue(instance, binding);
return true;
}
return false;
}
private static bool AssignBinding(object instance, MutableMember member, IBinding binding)
{
var property = instance.GetType()
.GetRuntimeProperties()
.FirstOrDefault(x => x.Name == member.Name);
if (property?.GetCustomAttribute <AssignBindingAttribute>() != null)
{
property.SetValue(instance, binding);
return(true);
}
return(false);
}
private bool TryGetDeferredAssembler(MutableMember member, out IDeferredLoader loader)
{
Guard.ThrowIfNull(member, nameof(member));
var propInfo = member.DeclaringType.UnderlyingType.GetRuntimeProperty(member.Name);
if (propInfo!=null)
{
var success = mapping.TryGetMapping(propInfo, out loader);
return success;
}
loader = null;
return false;
}
private static XamlMember GetMember(MutableMember member, XamlSchemaContext context)
{
var declaringType = ToWpf(member.DeclaringType, context);
if (!member.IsAttachable)
{
var xamlMember = declaringType.GetMember(member.Name);
return(new XamlMemberAdapter(xamlMember, context));
}
else
{
var xamlMember = declaringType.GetAttachableMember(member.Name);
return(new XamlMemberAdapter(xamlMember, context, member.Name, xamlMember.Invoker.UnderlyingGetter, xamlMember.Invoker.UnderlyingSetter));
}
}
private bool TryGetDeferredAssembler(MutableMember member, out IDeferredLoader loader)
{
Guard.ThrowIfNull(member, nameof(member));
var propInfo = member.DeclaringType.UnderlyingType.GetRuntimeProperty(member.Name);
if (propInfo != null)
{
var success = mapping.TryGetMapping(propInfo, out loader);
return(success);
}
loader = null;
return(false);
}
private static XamlMember GetMember(MutableMember member, XamlSchemaContext context)
{
var declaringType = ToWpf(member.DeclaringType, context);
if (!member.IsAttachable)
{
var xamlMember = declaringType.GetMember(member.Name);
return new XamlMemberAdapter(xamlMember, context);
}
else
{
var xamlMember = declaringType.GetAttachableMember(member.Name);
return new XamlMemberAdapter(xamlMember, context, member.Name, xamlMember.Invoker.UnderlyingGetter, xamlMember.Invoker.UnderlyingSetter);
}
}
private static PerspexProperty FindPerspexProperty(object instance, MutableMember member)
{
var target = instance as PerspexObject;
if (target == null)
{
return null;
}
var attached = member as PerspexAttachableXamlMember;
var propertyName = attached == null ?
member.Name :
member.DeclaringType.Name + "." + member.Name;
return PerspexPropertyRegistry.Instance.FindRegistered(target, propertyName);
}
private static PerspexProperty FindPerspexProperty(object instance, MutableMember member)
{
var target = instance as PerspexObject;
if (target == null)
{
return(null);
}
var attached = member as PerspexAttachableXamlMember;
var propertyName = attached == null ?
member.Name :
member.DeclaringType.Name + "." + member.Name;
return(PerspexPropertyRegistry.Instance.FindRegistered(target, propertyName));
}
public AvaloniaMemberValuePlugin(MutableMember xamlMember)
: base(xamlMember)
{
_xamlMember = xamlMember;
}
public PerspexMemberValuePlugin(MutableMember xamlMember)
: base(xamlMember)
{
_xamlMember = xamlMember;
}
public MemberValuePlugin(MutableMember member) : base(member)
{
this.member = member;
}
public AvaloniaMemberValuePlugin(MutableMember xamlMember)
: base(xamlMember)
{
_xamlMember = xamlMember;
}
private static object GetValueTuple(object instance, MutableMember member)
{
var xamlMemberBase = member;
return(xamlMemberBase.GetValue(instance));
}
public MemberValuePlugin(MutableMember member) : base(member)
{
this.member = member;
}
private static bool IsMemberEquivalentToNameDirective(MutableMember memberToCheck)
{
return Equals(memberToCheck, memberToCheck.DeclaringType.RuntimeNamePropertyMember);
}
public PerspexMemberValuePlugin(MutableMember xamlMember)
: base(xamlMember)
{
_xamlMember = xamlMember;
}
public MemberNodesBlock(Instruction headingInstruction)
{
member = (MutableMember)headingInstruction.Member;
}
public XamlSetValueEventArgs(MutableMember member, object value)
{
Value = value;
Member = member;
}
public XamlSetValueEventArgs(MutableMember member, object value)
{
Value = value;
Member = member;
}
private static bool IsMemberEquivalentToNameDirective(MutableMember memberToCheck)
{
return(Equals(memberToCheck, memberToCheck.DeclaringType.RuntimeNamePropertyMember));
}
private static object GetValueTuple(object instance, MutableMember member)
{
var xamlMemberBase = member;
return xamlMemberBase.GetValue(instance);
}
