Implement ability to edit labels

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -42,6 +42,7 @@ if bpy is not None:
         operator.RemoveBcfComment,
         operator.RemoveBcfReferenceLink,
         operator.EditBcfReferenceLinks,
+        operator.EditBcfLabels,
         operator.RemoveBcfLabel,
         operator.EditBcfComment,
         operator.AddBcfComment,
@@ -255,6 +256,7 @@ if bpy is not None:
         operator.CopyGrid,
         prop.StrProperty,
         prop.BcfReferenceLink,
+        prop.BcfLabel,
         prop.Attribute,
         prop.MaterialLayer,
         prop.MaterialConstituent,

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -896,6 +896,23 @@ class EditBcfReferenceLinks(bpy.types.Operator):
         return {"FINISHED"}
 
 
+class EditBcfLabels(bpy.types.Operator):
+    bl_idname = "bim.edit_bcf_labels"
+    bl_label = "Edit BCF Labels"
+
+    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, label in enumerate(topic.labels):
+            if label == blender_topic.labels[index].name:
+                continue
+            topic.labels[index] = blender_topic.labels[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

@@ -171,6 +171,10 @@ def updateBcfReferenceLink(self, context):
     bpy.ops.bim.edit_bcf_reference_links()
 
 
+def updateBcfLabel(self, context):
+    bpy.ops.bim.edit_bcf_labels()
+
+
 def getDiagramScales(self, context):
     global diagram_scales_enum
     if (
@@ -595,6 +599,10 @@ class BcfReferenceLink(PropertyGroup):
     name: StringProperty(name="Name", update=updateBcfReferenceLink)
 
 
+class BcfLabel(PropertyGroup):
+    name: StringProperty(name="Name", update=updateBcfLabel)
+
+
 class StrProperty(PropertyGroup):
     pass
 
@@ -1026,7 +1034,7 @@ class BcfTopic(PropertyGroup):
     file_ifc_spatial_structure_element: StringProperty(default="", name="IFC Spatial Structure Element")
     reference_links: CollectionProperty(name="Reference Links", type=BcfReferenceLink)
     reference_link: StringProperty(default="", name="Reference Link")
-    labels: CollectionProperty(name="Labels", type=StrProperty)
+    labels: CollectionProperty(name="Labels", type=BcfLabel)
     label: StringProperty(default="", name="Label")
     bim_snippet: PointerProperty(type=BcfBimSnippet)
     document_references: CollectionProperty(name="Document References", type=BcfDocumentReference)