Add experimental UI to manage geometric contexts

src/ifcblenderexport/blenderbim/operator.py

@@ -706,3 +706,48 @@ class FetchObjectPassport(bpy.types.Operator):
             directory=os.path.join(uri, 'Mesh')
         )
         bpy.context.active_object.data = bpy.data.meshes[identification]
+
+
+class AddContext(bpy.types.Operator):
+    bl_idname = 'bim.add_context'
+    bl_label = 'Add Context'
+
+    def execute(self, context):
+        context = bpy.context.scene.BIMProperties.contexts.add()
+        context.name = bpy.context.scene.BIMProperties.available_contexts
+        return {'FINISHED'}
+
+
+class RemoveContext(bpy.types.Operator):
+    bl_idname = 'bim.remove_context'
+    bl_label = 'Remove Context'
+    index: bpy.props.IntProperty()
+
+    def execute(self, context):
+        bpy.context.scene.BIMProperties.contexts.remove(self.index)
+        return {'FINISHED'}
+
+
+class AddSubcontext(bpy.types.Operator):
+    bl_idname = 'bim.add_subcontext'
+    bl_label = 'Add Subcontext'
+    context_index: bpy.props.IntProperty()
+
+    def execute(self, context):
+        subcontext = bpy.context.scene.BIMProperties.contexts[self.context_index].subcontexts.add()
+        subcontext.name = bpy.context.scene.BIMProperties.available_subcontexts
+        subcontext.target_view = bpy.context.scene.BIMProperties.available_target_views
+        return {'FINISHED'}
+
+
+class RemoveSubcontext(bpy.types.Operator):
+    bl_idname = 'bim.remove_subcontext'
+    bl_label = 'Remove Context'
+    indexes: bpy.props.StringProperty()
+
+    def execute(self, context):
+        context_index, subcontext_index = self.indexes.split('-')
+        context_index = int(context_index)
+        subcontext_index = int(subcontext_index)
+        bpy.context.scene.BIMProperties.contexts[context_index].subcontexts.remove(subcontext_index)
+        return {'FINISHED'}