Implement UI to toggle wireframe / swept solid, and assign profiles and extrusions

Also allow file browser to select a location for an external material

src/ifcblenderexport/io_export_ifc/__init__.py

@@ -28,11 +28,16 @@ classes = (
     operator.RejectClass,
     operator.SelectAudited,
     operator.RejectElement,
+    operator.SelectExternalMaterialDir,
+    operator.AssignSweptSolidProfile,
+    operator.AssignSweptSolidExtrusion,
     ui.BIMProperties,
     ui.MaterialProperties,
+    ui.MeshProperties,
     ui.BIMPanel,
     ui.MVDPanel,
     ui.MaterialPanel,
+    ui.MeshPanel,
     )
 
 def menu_func_export(self, context):
@@ -50,6 +55,7 @@ def register():
     bpy.types.TOPBAR_MT_file_import.append(menu_func_import)
     bpy.types.Scene.BIMProperties = bpy.props.PointerProperty(type=ui.BIMProperties)
     bpy.types.Material.MaterialProperties = bpy.props.PointerProperty(type=ui.MaterialProperties)
+    bpy.types.Mesh.MeshProperties = bpy.props.PointerProperty(type=ui.MeshProperties)
 
 def unregister():
     for cls in reversed(classes):
@@ -57,7 +63,8 @@ def unregister():
     bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
     bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
     del(bpy.types.Scene.BIMProperties)
-    del(bpy.types.Scene.MaterialProperties)
+    del(bpy.types.Material.MaterialProperties)
+    del(bpy.types.Mesh.MeshProperties)
 
 if __name__ == "__main__":
     register()

src/ifcblenderexport/io_export_ifc/export_ifc.py

@@ -547,8 +547,8 @@ class IfcParser():
             'raw_object': object,
             'context': context,
             'subcontext': subcontext,
-            'is_wireframe': True if 'IsWireframe' in mesh else False,
+            'is_wireframe': mesh.MeshProperties.is_wireframe,
-            'is_swept_solid': True if 'IsSweptSolid' in mesh else False,
+            'is_swept_solid': mesh.MeshProperties.is_swept_solid,
             'is_generated': is_generated,
             'attributes': { 'Name': mesh.name }
             }

src/ifcblenderexport/io_export_ifc/operator.py

@@ -201,6 +201,51 @@ class SelectAudited(bpy.types.Operator):
                         object.select_set(True)
         return {'FINISHED'}
 
+class AssignSweptSolidProfile(bpy.types.Operator):
+    bl_idname = 'bim.assign_swept_solid_profile'
+    bl_label = 'Assign Profile'
+
+    def execute(self, context):
+        if bpy.context.mode != 'EDIT_MESH':
+            return {'FINISHED'}
+        for vg in bpy.context.active_object.vertex_groups:
+            if vg.name == 'profile':
+                bpy.ops.object.vertex_group_set_active(group=vg.name)
+                bpy.ops.object.vertex_group_remove()
+                break
+        bpy.ops.object.vertex_group_assign_new()
+        bpy.context.active_object.vertex_groups[bpy.context.active_object.vertex_groups[-1].name].name = 'profile'
+        return {'FINISHED'}
+
+class AssignSweptSolidExtrusion(bpy.types.Operator):
+    bl_idname = 'bim.assign_swept_solid_extrusion'
+    bl_label = 'Assign Extrusion'
+
+    def execute(self, context):
+        if bpy.context.mode != 'EDIT_MESH':
+            return {'FINISHED'}
+        for vg in bpy.context.active_object.vertex_groups:
+            if vg.name == 'extrusion':
+                bpy.ops.object.vertex_group_set_active(group=vg.name)
+                bpy.ops.object.vertex_group_remove()
+                break
+        bpy.ops.object.vertex_group_assign_new()
+        bpy.context.active_object.vertex_groups[bpy.context.active_object.vertex_groups[-1].name].name = 'extrusion'
+        return {'FINISHED'}
+
+class SelectExternalMaterialDir(bpy.types.Operator):
+    bl_idname = "bim.select_external_material_dir"
+    bl_label = "Select Material File"
+    filepath: bpy.props.StringProperty(subtype="FILE_PATH")
+
+    def execute(self, context):
+        bpy.context.active_object.active_material.MaterialProperties.location = self.filepath
+        return {'FINISHED'}
+
+    def invoke(self, context, event):
+        context.window_manager.fileselect_add(self)
+        return {'RUNNING_MODAL'}
+
 class SelectDataDir(bpy.types.Operator):
     bl_idname = "bim.select_data_dir"
     bl_label = "Select Data Directory"

src/ifcblenderexport/io_export_ifc/ui.py

@@ -41,6 +41,29 @@ class MaterialProperties(bpy.types.PropertyGroup):
     identification: bpy.props.StringProperty(name="Identification")
     name: bpy.props.StringProperty(name="Name")
 
+class MeshProperties(bpy.types.PropertyGroup):
+    is_wireframe: bpy.props.BoolProperty(name="Is Wireframe")
+    is_swept_solid: bpy.props.BoolProperty(name="Is Swept Solid")
+
+class MeshPanel(bpy.types.Panel):
+    bl_label = 'IFC Representations'
+    bl_idname = 'BIM_PT_mesh'
+    bl_space_type = 'PROPERTIES'
+    bl_region_type = 'WINDOW'
+    bl_context = 'data'
+
+    def draw(self, context):
+        if not bpy.context.active_object.data:
+            return
+        layout = self.layout
+        row = layout.row()
+        row.prop(bpy.context.active_object.data.MeshProperties, 'is_wireframe')
+        row = layout.row()
+        row.prop(bpy.context.active_object.data.MeshProperties, 'is_swept_solid')
+        row = layout.row(align=True)
+        row.operator('bim.assign_swept_solid_profile')
+        row.operator('bim.assign_swept_solid_extrusion')
+
 class MaterialPanel(bpy.types.Panel):
     bl_label = 'IFC Materials'
     bl_idname = 'BIM_PT_material'
@@ -54,8 +77,9 @@ class MaterialPanel(bpy.types.Panel):
         layout = self.layout
         row = layout.row()
         row.prop(bpy.context.active_object.active_material.MaterialProperties, 'is_external')
-        row = layout.row()
+        row = layout.row(align=True)
         row.prop(bpy.context.active_object.active_material.MaterialProperties, 'location')
+        row.operator('bim.select_external_material_dir', icon="FILE_FOLDER", text="")
         row = layout.row()
         row.prop(bpy.context.active_object.active_material.MaterialProperties, 'identification')
         row = layout.row()