Implement ability to edit individual BCF reference links

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -40,6 +40,7 @@ if bpy is not None:
         operator.ViewBcfTopic,
         operator.RemoveBcfComment,
         operator.RemoveBcfReferenceLink,
+        operator.EditBcfReferenceLinks,
         operator.EditBcfComment,
         operator.AddBcfComment,
         operator.ActivateBcfViewpoint,
@@ -251,6 +252,7 @@ if bpy is not None:
         operator.SnapSpacesTogether,
         operator.CopyGrid,
         prop.StrProperty,
+        prop.BcfReferenceLink,
         prop.Attribute,
         prop.MaterialLayer,
         prop.MaterialConstituent,

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -860,6 +860,23 @@ class AddBcfReferenceLink(bpy.types.Operator):
         return {"FINISHED"}
 
 
+class EditBcfReferenceLinks(bpy.types.Operator):
+    bl_idname = "bim.edit_bcf_reference_links"
+    bl_label = "Edit BCF Reference Link"
+
+    def execute(self, context):
+        bcfxml = bcfstore.BcfStore.get_bcfxml()
+        props = bpy.context.scene.BCFProperties
+        blender_topic = props.topics[props.active_topic_index]
+        topic = bcfxml.topics[blender_topic.name]
+        for index, reference_link in enumerate(topic.reference_links):
+            if reference_link == blender_topic.reference_links[index].name:
+                continue
+            topic.reference_links[index] = blender_topic.reference_links[index].name
+        bcfxml.edit_topic(topic)
+        return {"FINISHED"}
+
+
 class RemoveBcfReferenceLink(bpy.types.Operator):
     bl_idname = "bim.remove_bcf_reference_link"
     bl_label = "Remove BCF Reference Link"

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -167,6 +167,10 @@ def refreshPredefinedTypes(self, context):
     context.scene.BIMProperties.ifc_predefined_type = enum[0][0]
 
 
+def updateBcfReferenceLink(self, context):
+    bpy.ops.bim.edit_bcf_reference_links()
+
+
 def getDiagramScales(self, context):
     global diagram_scales_enum
     if (
@@ -587,6 +591,10 @@ def refreshBcfTopic(self, context):
     getBcfViewpoints(self, context)
 
 
+class BcfReferenceLink(PropertyGroup):
+    name: StringProperty(name="Name", update=updateBcfReferenceLink)
+
+
 class StrProperty(PropertyGroup):
     pass
 
@@ -1016,7 +1024,7 @@ class BcfTopic(PropertyGroup):
     file_reference: StringProperty(default="", name="Reference")
     file_ifc_project: StringProperty(default="", name="IFC Project")
     file_ifc_spatial_structure_element: StringProperty(default="", name="IFC Spatial Structure Element")
-    reference_links: CollectionProperty(name="Reference Links", type=StrProperty)
+    reference_links: CollectionProperty(name="Reference Links", type=BcfReferenceLink)
     reference_link: StringProperty(default="", name="Reference Link")
     labels: CollectionProperty(name="Labels", type=StrProperty)
     bim_snippet: PointerProperty(type=BcfBimSnippet)