/// <summary>
/// Utility method used with auto-generated assets for storing ElementIds generated during evaluate.
/// Handles conversion of el
/// </summary>
/// <param name="node"></param>
/// <param name="result"></param>
public static void StoreElements(RevitTransactionNode node, List<object> results)
{
foreach (object result in results)
{
if (typeof(Element).IsAssignableFrom(result.GetType()))
{
node.Elements.Add(((Element)result).Id);
}
else if (typeof(ElementId).IsAssignableFrom(result.GetType()))
{
node.Elements.Add((ElementId)result);
}
else if (typeof(List<Element>).IsAssignableFrom(result.GetType()))
{
((List<Element>)result).ForEach(x => node.Elements.Add(((Element)x).Id));
}
else if (typeof(List<ElementId>).IsAssignableFrom(result.GetType()))
{
((List<ElementId>)result).ForEach(x => node.Elements.Add((ElementId)x));
}
}
}
/// <summary>
/// Invoke an API method, using the node's lacing strategy to build lists of arguments
/// </summary>
/// <param name="node">The node.</param>
/// <param name="args">The incoming Values on the node.</param>
/// <param name="api_base_type">The API's base type whose method we will invoke.</param>
/// <param name="pi">An array of parameter info for the method.</param>
/// <param name="mi">The method info for the method.</param>
/// <param name="return_type">The expected return type from the method.</param>
/// <returns></returns>
public static Value InvokeAPIMethod(RevitTransactionNode node, FSharpList<Value> args, Type api_base_type, ParameterInfo[] pi, MethodBase mi, Type return_type)
{
//if any argument are a list, honor the lacing strategy
//compile a list of parameter lists to be used in our method invocation
List<List<object>> parameters = null;
switch (node.ArgumentLacing)
{
case LacingStrategy.First:
parameters = GetSingleArguments(args, pi);
break;
case LacingStrategy.Shortest:
parameters = GetShortestArguments(args, pi);
break;
case LacingStrategy.Longest:
parameters = GetLongestArguments(args, pi);
break;
default:
parameters = GetSingleArguments(args, pi);
break;
}
var invocationTargetList = new List<object>();
if (api_base_type == typeof(Document) ||
api_base_type == typeof(FamilyItemFactory) ||
api_base_type == typeof(ItemFactoryBase))
{
if (dynRevitSettings.Doc.Document.IsFamilyDocument)
{
invocationTargetList.Add(dynRevitSettings.Doc.Document.FamilyCreate);
}
else
{
invocationTargetList.Add(dynRevitSettings.Doc.Document.Create);
}
}
else if (api_base_type == typeof(Application))
{
invocationTargetList.Add(dynRevitSettings.Revit.Application.Create);
}
else
{
if (!mi.IsStatic && !mi.IsConstructor)
{
if (args[0].IsList)
{
invocationTargetList.AddRange(((Value.List)args[0]).Item.Select(x => DynamoTypeConverter.ConvertInput(x, api_base_type)));
}
else
{
//the first input will always hold the instance
//whose methods you want to invoke
invocationTargetList.Add(DynamoTypeConverter.ConvertInput(args[0], api_base_type));
}
}
}
//object result = null;
List<object> results = null;
//if the method info is for a constructor, then
//call the constructor for each set of parameters
//if it's an instance method, then invoke the method for
//each instance passed in.
results = mi.IsConstructor ?
parameters.Select(x => ((ConstructorInfo)mi).Invoke(x.ToArray())).ToList() :
invocationTargetList.SelectMany(x => parameters.Select(y => mi.Invoke(x, y.ToArray())).ToList()).ToList();
StoreElements(node, results);
return ConvertAllResults(results);
}
