Implement BCF delete label

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -41,6 +41,7 @@ if bpy is not None:
         operator.RemoveBcfComment,
         operator.RemoveBcfReferenceLink,
         operator.EditBcfReferenceLinks,
+        operator.RemoveBcfLabel,
         operator.EditBcfComment,
         operator.AddBcfComment,
         operator.ActivateBcfViewpoint,

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -893,6 +893,22 @@ class RemoveBcfReferenceLink(bpy.types.Operator):
         return {"FINISHED"}
 
 
+class RemoveBcfLabel(bpy.types.Operator):
+    bl_idname = "bim.remove_bcf_label"
+    bl_label = "Remove BCF Label"
+    index: bpy.props.IntProperty()
+
+    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]
+        del topic.labels[self.index]
+        bcfxml.edit_topic(topic)
+        blender_topic.labels.remove(self.index)
+        return {"FINISHED"}
+
+
 class RemoveBcfComment(bpy.types.Operator):
     bl_idname = "bim.remove_bcf_comment"
     bl_label = "Remove BCF Comment"

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -1795,11 +1795,11 @@ class BIM_PT_bcf_metadata(Panel):
         row = layout.row()
         row.operator("bim.add_bcf_reference_link")
 
-        if topic.labels:
-            layout.label(text="Labels:")
-            for index, label in enumerate(topic.labels):
-                row = layout.row(align=True)
-                row.prop(label, "name", text="")
+        layout.label(text="Labels:")
+        for index, label in enumerate(topic.labels):
+            row = layout.row(align=True)
+            row.prop(label, "name", text="")
+            row.operator("bim.remove_bcf_label", icon="X", text="").index = index
 
         if topic.bim_snippet.schema:
             layout.label(text="BIM Snippet:")