Add_spacial_element node updated to work with multiple elements. V0.1 - still a bit buggy.

src/ifcsverchok/nodes/ifc/add_spatial_element.py

@@ -10,65 +10,91 @@ import ifcopenshell
 
 from bpy.props import StringProperty
 from sverchok.node_tree import SverchCustomTreeNode
-from sverchok.data_structure import updateNode
+from sverchok.data_structure import updateNode, flatten_data, repeat_last_for_length, ensure_min_nesting
 
 
 class SvIfcAddSpatialElement(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
     bl_idname = "SvIfcAddSpatialElement"
     bl_label = "IFC Add Spatial Element"
-    Name: StringProperty(name="Name", update=updateNode)
+    Name: StringProperty(name="Name(s)", update=updateNode)
     IfcClass: StringProperty(name="IFC Class", update=updateNode, default="IfcSpace")
     Elements: StringProperty(name="Elements", update=updateNode)
+    len_elements = 0
 
     def sv_init(self, context):
-        self.inputs.new("SvStringsSocket", "Name").prop_name = "Name"
+        self.inputs.new("SvStringsSocket", "Name(s)").prop_name = "Name"
         self.inputs.new("SvStringsSocket", "IfcClass").prop_name = "IfcClass"
         self.inputs.new("SvStringsSocket", "Elements").prop_name = "Elements"
-        self.outputs.new("SvStringsSocket", "entity")
+        self.outputs.new("SvStringsSocket", "Entities")
         self.outputs.new("SvStringsSocket", "file")
 
     def process(self):
         if not any(socket.is_linked for socket in self.outputs):
             return
 
-        name = self.inputs["Name"].sv_get()[0][0]
-        ifc_class = self.inputs["IfcClass"].sv_get()[0][0]
-        elements = self.inputs["Elements"].sv_get()[0]
-
-        if SvIfcStore.file is None:
-            SvIfcStore.file = SvIfcStore.create_boilerplate()
+        self.names = flatten_data(self.inputs["Name(s)"].sv_get(), target_level=1)
+        self.ifc_class = self.inputs["IfcClass"].sv_get()[0][0]
+        self.elements = ensure_min_nesting(self.inputs["Elements"].sv_get(), 2)
+        self.elements = flatten_data(self.elements, target_level=2)
+        print("elements: ", self.elements)
         self.file = SvIfcStore.get_file()
+        self.elements = [[self.file.by_id(step_id) for step_id in element] for element in self.elements]
+    
+        print("len elements: ", len(self.elements))
+        print("elements: ", self.elements)
+        self.names = self.repeat_input_unique(self.names, len(self.elements))
+        print("Names: ",self.names)
 
-        if self.node_id not in SvIfcStore.id_map.values():
-            element = self.create(name, ifc_class, elements)
+        if (self.node_id not in SvIfcStore.id_map) or (len(self.elements) != self.len_elements):
+            print("\nRunning create")
+            elements = self.create()
+            self.len_elements = len(self.elements)
         else:
-            element = self.edit(name, ifc_class, elements)
+            elements = self.edit()
+        print("\n ##### results: ", elements)
+        self.outputs["Entities"].sv_set(elements)
+        self.outputs["file"].sv_set([self.file])
 
-        self.outputs["entity"].sv_set([[element]])
-        self.outputs["file"].sv_set([[self.file]])
-
-    def create(self, name, ifc_class, elements):
+    def create(self):
         results = []
-        result = ifcopenshell.api.run("root.create_entity", self.file, ifc_class=ifc_class)
-        for element in elements:
-            ifcopenshell.api.run("spatial.assign_container", self.file, product=element, relating_structure=result)
-            SvIfcStore.id_map[result.id()] = self.node_id
+        for i, element in enumerate(self.elements):
+            print("element: ", element)
+            result = ifcopenshell.api.run("root.create_entity", self.file, name=self.names[i], ifc_class=self.ifc_class)
+            for items in element:
+                print("items: ", items)
+                ifcopenshell.api.run("spatial.assign_container", self.file, product=items, relating_structure=result)
+                SvIfcStore.id_map[result.id()] = self.node_id
+                SvIfcStore.id_map.setdefault(self.node_id, []).append(result.id())
             results.append(result)
-        return result
+        return results
 
-    def edit(self, name, ifc_class, elements):
-        result = self.get_existing_element()
-        subelements = set(ifcopenshell.util.element.get_decomposition(result))
-        elements_set = set(elements)
-        print("RESULT: ", result)
-        print("subelements: ", subelements)
-        print("elements_set: ", elements_set)
-        for removed_element in subelements - elements_set:
-            # Just realised I don't have a spatial.unassign_container, but if so we'd do it here
-            pass
-        for added_element in elements_set - subelements:
-            ifcopenshell.api.run("spatial.assign_container", self.file, product=added_element, relating_structure=result)
-        return result
+    def edit(self):
+        results = []
+        results_ids = SvIfcStore.id_map[self.node_id]
+        for result_id in results_ids:
+            result = self.file.by_id(result_id)
+            print("\n\nresult: ", result)
+            subelements = set(ifcopenshell.util.element.get_decomposition(result))
+            for element in self.elements:
+                print("\nElement: ", element)
+                element_set = set(element)
+                print("\nRESULT: ", result)
+                print("subelements: ", subelements)
+                print("elements_set: ", element_set)
+                for removed_element in subelements - element_set:
+                    # Just realised I don't have a spatial.unassign_container, but if so we'd do it here
+                    pass
+                for added_element in element_set - subelements:
+                    ifcopenshell.api.run("spatial.assign_container", self.file, product=added_element, relating_structure=result)
+                    print("assigned container")
+            results.append(result)
+        return results
+
+    def repeat_input_unique(self, input, count):
+        input = repeat_last_for_length(input, count, deepcopy=False)
+        if input[0]:
+            input = [a if not (s:=sum(j == a for j in input[:i])) else f'{a}-{s+1}' for i, a in enumerate(input)]  # add number to duplicates
+        return input
 
     def get_existing_element(self):
         entity_id = list(SvIfcStore.id_map.keys())[list(SvIfcStore.id_map.values()).index(self.node_id)]

src/ifcsverchok/nodes/ifc/create_entity.py

@@ -100,7 +100,10 @@ class SvIfcCreateEntity(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper
         
         self.file = SvIfcStore.get_file()
         if self.representations[0]:
-            self.representations = [self.file.by_id(step_id) for step_id in self.representations]
+            try:
+                self.representations = [self.file.by_id(step_id) for step_id in self.representations]
+            except Exception as e:
+                raise
             self.names = self.repeat_input_unique(self.names, len(self.representations))
             self.descriptions = self.repeat_input_unique(self.descriptions, len(self.representations))
         elif not self.representations[0]:
@@ -191,15 +194,6 @@ class SvIfcCreateEntity(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper
         if input[0]:
             input = [a if not (s:=sum(j == a for j in input[:i])) else f'{a}-{s+1}' for i, a in enumerate(input)]  # add number to duplicates
         return input
-
-
-    def get_existing_element(self):
-        results = []
-        for i, step_id in enumerate(SvIfcStore.id_map[self.node_id]):
-            entity = self.file.by_id(step_id)
-            results.append([entity])
-        return results
-
     
     def sv_free(self):
         try: