public override bool Apply()
{
PropertyReferenceUtilities.SetPropertyReference(this.Owner.GetCurrentValue(), this.TargetProperty, this.NewSourceProperty);
this.Owner.OnPropertyReferenceChanged(this.TargetProperty);
return(true);
}
private void FillArguments()
{
string propertyName = PropertyReferenceUtilities.GetPropertyReference(this.ModelItem.GetCurrentValue(), DelegatePropertyName);
if (string.IsNullOrEmpty(propertyName))
{
return;
}
ModelTreeManager manager = this.Context.Services.GetService <ModelTreeManager>();
DynamicActivityProperty property = DynamicActivityPropertyUtilities.Find(manager.Root.Properties["Properties"].Collection, propertyName);
if (property == null || !property.Type.IsSubclassOf(typeof(ActivityDelegate)))
{
return;
}
ActivityDelegateMetadata metadata = ActivityDelegateUtilities.GetMetadata(property.Type);
ModelItemCollection collection = this.ModelItem.Properties[DelegateArgumentsPropertyName].Value.Properties["ItemsCollection"].Collection;
Type underlyingArgumentType = this.ModelItem.Properties[DelegateArgumentsPropertyName].Value.GetCurrentValue().GetType().GetGenericArguments()[1];
if (!typeof(Argument).IsAssignableFrom(underlyingArgumentType))
{
return;
}
if (collection.Count == 0)
{
using (ModelEditingScope change = collection.BeginEdit(SR.FillDelegateArguments))
{
Type dictionaryEntryType = typeof(ModelItemKeyValuePair <,>).MakeGenericType(new Type[] { typeof(string), underlyingArgumentType });
foreach (ActivityDelegateArgumentMetadata arg in metadata)
{
Argument argument = Argument.Create(arg.Type, arg.Direction == ActivityDelegateArgumentDirection.In ? ArgumentDirection.In : ArgumentDirection.Out);
object mutableKVPair = Activator.CreateInstance(dictionaryEntryType, new object[] { arg.Name, argument });
ModelItem argumentKVPair = collection.Add(mutableKVPair);
}
change.Complete();
}
}
}
protected override void Execute(NativeActivityContext context)
{
StringBuilder errorBuilder = new StringBuilder();
InvokeDelegate activity = this.Activity.Get(context);
string reference = PropertyReferenceUtilities.GetPropertyReference(activity, "Delegate");
if (reference != null)
{
DynamicActivityProperty property = null;
ModelTreeManager manager = this.EditingContext.Services.GetService <ModelTreeManager>();
if (manager.Root.ItemType == typeof(ActivityBuilder))
{
property = DynamicActivityPropertyUtilities.Find(manager.Root.Properties["Properties"].Collection, reference);
}
if (property == null)
{
this.EmitValidationError(context, string.Format(CultureInfo.CurrentUICulture, SR.PropertyReferenceNotResolved, reference));
return;
}
if (property.Type == typeof(ActivityDelegate))
{
this.EmitValidationWarning(context, string.Format(CultureInfo.CurrentUICulture, SR.PropertyIsNotAConcreteActivityDelegate, reference));
return;
}
if (!property.Type.IsSubclassOf(typeof(ActivityDelegate)))
{
this.EmitValidationError(context, string.Format(CultureInfo.CurrentUICulture, SR.PropertyIsNotAnActivityDelegate, reference));
return;
}
if (property.Type.IsAbstract)
{
this.EmitValidationWarning(context, string.Format(CultureInfo.CurrentUICulture, SR.PropertyIsNotAConcreteActivityDelegate, reference));
return;
}
ActivityDelegateMetadata metadata = ActivityDelegateUtilities.GetMetadata(property.Type);
if (activity.DelegateArguments.Count != metadata.Count)
{
this.EmitValidationWarning(context, SR.WrongNumberOfArgumentsForActivityDelegate);
return;
}
foreach (ActivityDelegateArgumentMetadata expectedArgument in metadata)
{
Argument delegateArgument = null;
if (activity.DelegateArguments.TryGetValue(expectedArgument.Name, out delegateArgument))
{
if ((expectedArgument.Direction == ActivityDelegateArgumentDirection.In && delegateArgument.Direction != ArgumentDirection.In) ||
(expectedArgument.Direction == ActivityDelegateArgumentDirection.Out && delegateArgument.Direction != ArgumentDirection.Out))
{
errorBuilder.AppendFormat(CultureInfo.CurrentUICulture, SR.DelegateArgumentsDirectionalityMismatch, expectedArgument.Name, delegateArgument.Direction, expectedArgument.Direction);
}
if (delegateArgument.ArgumentType != expectedArgument.Type)
{
if (expectedArgument.Direction == ActivityDelegateArgumentDirection.In)
{
if (!TypeHelper.AreTypesCompatible(delegateArgument.ArgumentType, expectedArgument.Type))
{
errorBuilder.AppendFormat(CultureInfo.CurrentUICulture, SR.DelegateInArgumentTypeMismatch, expectedArgument.Name, expectedArgument.Type, delegateArgument.ArgumentType);
}
}
else
{
if (!TypeHelper.AreTypesCompatible(expectedArgument.Type, delegateArgument.ArgumentType))
{
errorBuilder.AppendFormat(CultureInfo.CurrentUICulture, SR.DelegateOutArgumentTypeMismatch, expectedArgument.Name, expectedArgument.Type, delegateArgument.ArgumentType);
}
}
}
}
else
{
errorBuilder.AppendFormat(CultureInfo.CurrentUICulture, SR.DelegateArgumentMissing, expectedArgument.Name);
}
}
if (errorBuilder.Length > 0)
{
this.EmitValidationWarning(context, errorBuilder.ToString());
}
}
}
