/// <summary>
/// Initialize a DirectShape element
/// </summary>
private void InitDirectShape(DesignScriptEntity shapeReference,
string shapeName,
Category category,
Material material)
{
//Phase 1 - Check to see if a DirectShape exists in trace and should be rebound
var oldShape =
ElementBinder.GetElementAndTraceData <Autodesk.Revit.DB.DirectShape, DirectShapeState>(Document);
//There was a oldDirectShape, rebind to that
if (oldShape != null)
{
//set the directshape element
this.InternalSetDirectShape(oldShape.Item1);
//if the cateogryID has changed, we cannot continue to rebind and instead
//will make a new directShape
if (category.Id == this.InternalElement.Category.Id.IntegerValue)
{
//set the shape geometry of the directshape, this method passes in the actual input geo
//and checks the directShapeState object at the elementId key in the input geo tags dictionary.
//this check is used to determine if the geometry should be updated, this is done by checking
//the sync guid in the DirectShapeState (a guid that is generated when geometry changes on
//the revit element.
//we also check the material, if it's different than the currently assigned material
//then we need to rebuild the geo so that a new material is applied
//
this.InternalSetShape(shapeReference, new ElementId(material.Id), oldShape.Item2.syncId);
this.InternalSetName(shapeReference, shapeName, material, category);
return;
}
}
//Phase 2- There was no existing shape, create one
TransactionManager.Instance.EnsureInTransaction(Document);
Autodesk.Revit.DB.DirectShape ds;
//generate the geometry correctly depending on the type of geo
var tessellatedShape = GenerateTessellatedGeo(shapeReference, new ElementId(material.Id));
//actually construct the directshape revit element
ds = NewDirectShape(tessellatedShape,
Document, new ElementId(category.Id),
DirectShape.DYNAMO_DIRECTSHAPE_APP_GUID.ToString(), shapeName);
InternalSetDirectShape(ds);
InternalSetName(shapeReference, shapeName, material, category);
//generate a new syncId for trace
var traceData = new DirectShapeState(this, Guid.NewGuid().ToString(), new ElementId(material.Id));
//add the elementID:tracedata to the tags dictionary on the real protogeometry input
shapeReference.Tags.AddTag(this.InternalElementId.ToString(), traceData);
TransactionManager.Instance.TransactionTaskDone();
ElementBinder.SetRawDataForTrace(traceData);
}
/// <summary>
/// Initialize a Level element
/// </summary>
/// <param name="elevation"></param>
/// <param name="name"></param>
private void InitLevel(double elevation, string name)
{
//Phase 1 - Check to see if the object exists and should be rebound
var oldEle = ElementBinder.GetElementAndTraceData <Autodesk.Revit.DB.Level, LevelTraceData>(Document);
//There was an element, bind & mutate
if (oldEle != null)
{
InternalSetLevel(oldEle.Item1);
InternalSetElevation(elevation);
InternalSetName(oldEle.Item2.InputName, name);
return;
}
//There was no element, create a new one
TransactionManager.Instance.EnsureInTransaction(Document);
Autodesk.Revit.DB.Level level;
if (Document.IsFamilyDocument)
{
level = Autodesk.Revit.DB.Level.Create(Document, elevation);
}
else
{
level = Autodesk.Revit.DB.Level.Create(Document, elevation);
}
InternalSetLevel(level);
InternalSetName(string.Empty, name);
var traceData = new LevelTraceData(this, name);
TransactionManager.Instance.TransactionTaskDone();
ElementBinder.SetRawDataForTrace(traceData);
}
