Implement editing IFC header metadata. See #747.

src/blenderbim/blenderbim/bim/module/project/__init__.py

@@ -13,6 +13,9 @@ classes = (
     operator.UnassignLibraryDeclaration,
     operator.SaveLibraryFile,
     operator.AppendLibraryElement,
+    operator.EnableEditingHeader,
+    operator.DisableEditingHeader,
+    operator.EditHeader,
     prop.LibraryElement,
     prop.BIMProjectProperties,
     ui.BIM_PT_project,

src/blenderbim/blenderbim/bim/module/project/operator.py

@@ -255,3 +255,60 @@ class AppendLibraryElement(bpy.types.Operator):
         ifc_importer.type_collection = type_collection
         ifc_importer.create_type_product(element)
         ifc_importer.place_objects_in_spatial_tree()
+
+
+class EnableEditingHeader(bpy.types.Operator):
+    bl_idname = "bim.enable_editing_header"
+    bl_label = "Enable Editing Header"
+
+    def execute(self, context):
+        self.file = IfcStore.get_file()
+        props = context.scene.BIMProjectProperties
+        props.is_editing = True
+
+        mvd = "".join(IfcStore.get_file().wrapped_data.header.file_description.description)
+        if "[" in mvd:
+            props.mvd = mvd.split("[")[1][0:-1]
+        else:
+            props.mvd = ""
+
+        author = self.file.wrapped_data.header.file_name.author
+        if author:
+            props.author_name = author[0]
+            if len(author) > 1:
+                props.author_email = author[1]
+
+        organisation = self.file.wrapped_data.header.file_name.organization
+        if organisation:
+            props.organisation_name = organisation[0]
+            if len(organisation) > 1:
+                props.organisation_email = organisation[1]
+
+        props.authorisation = self.file.wrapped_data.header.file_name.authorization
+        return {"FINISHED"}
+
+
+class EditHeader(bpy.types.Operator):
+    bl_idname = "bim.edit_header"
+    bl_label = "Edit Header"
+
+    def execute(self, context):
+        self.file = IfcStore.get_file()
+        props = context.scene.BIMProjectProperties
+        props.is_editing = True
+
+        self.file.wrapped_data.header.file_description.description = (f'ViewDefinition[{props.mvd}]',)
+        self.file.wrapped_data.header.file_name.author = (props.author_name, props.author_email)
+        self.file.wrapped_data.header.file_name.organization = (props.organisation_name, props.organisation_email)
+        self.file.wrapped_data.header.file_name.authorization = props.authorisation
+        bpy.ops.bim.disable_editing_header()
+        return {"FINISHED"}
+
+
+class DisableEditingHeader(bpy.types.Operator):
+    bl_idname = "bim.disable_editing_header"
+    bl_label = "Disable Editing Header"
+
+    def execute(self, context):
+        context.scene.BIMProjectProperties.is_editing = False
+        return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/project/prop.py

@@ -21,6 +21,13 @@ class LibraryElement(PropertyGroup):
 
 class BIMProjectProperties(PropertyGroup):
     is_authoring: BoolProperty(name="Enable Authoring Mode", default=True)
+    is_editing: BoolProperty(name="Is Editing", default=False)
+    mvd: StringProperty(name="MVD")
+    author_name: StringProperty(name="Author")
+    author_email: StringProperty(name="Author Email")
+    organisation_name: StringProperty(name="Organisation")
+    organisation_email: StringProperty(name="Organisation Email")
+    authorisation: StringProperty(name="Authoriser")
     active_library_element: StringProperty(name="Enable Authoring Mode", default="")
     library_breadcrumb: CollectionProperty(name="Library Breadcrumb", type=StrProperty)
     library_elements: CollectionProperty(name="Library Elements", type=LibraryElement)

src/blenderbim/blenderbim/bim/module/project/ui.py

@@ -28,10 +28,40 @@ class BIM_PT_project(Panel):
         row.label(text=os.path.basename(props.ifc_file) or "No File Found")
 
         if IfcStore.get_file():
-            row.prop(pprops, "is_authoring", icon="GREASEPENCIL", text="")
+            row.prop(pprops, "is_authoring", icon="MODIFIER", text="")
+            if pprops.is_editing:
+                row.operator("bim.edit_header", icon="CHECKMARK", text="")
+                row.operator("bim.disable_editing_header", icon="CANCEL", text="")
+            else:
+                row.operator("bim.enable_editing_header", icon="GREASEPENCIL", text="")
+
             row = self.layout.row(align=True)
             row.label(text="IFC Schema", icon="FILE_CACHE")
             row.label(text=IfcStore.get_file().schema)
+
+            if pprops.is_editing:
+                row = self.layout.row(align=True)
+                row.prop(pprops, "mvd")
+
+                row = self.layout.row(align=True)
+                row.prop(pprops, "author_name")
+                row = self.layout.row(align=True)
+                row.prop(pprops, "author_email")
+
+                row = self.layout.row(align=True)
+                row.prop(pprops, "organisation_name")
+                row = self.layout.row(align=True)
+                row.prop(pprops, "organisation_email")
+
+                row = self.layout.row(align=True)
+                row.prop(pprops, "authorisation")
+            else:
+                row = self.layout.row(align=True)
+                row.label(text="IFC MVD", icon="FILE_HIDDEN")
+                mvd = "".join(IfcStore.get_file().wrapped_data.header.file_description.description)
+                if "[" in mvd:
+                    mvd = mvd.split("[")[1][0:-1]
+                row.label(text=mvd)
         else:
             row = self.layout.row(align=True)
             row.label(text="File Not Loaded", icon="ERROR")