Support editing project library attributes

Example - https://imgur.com/a/MFtLDlh

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

@@ -35,6 +35,7 @@ classes = (
     operator.DisableCulling,
     operator.DisableEditingHeader,
     operator.EditHeader,
+    operator.EditProjectLibrary,
     operator.EnableCulling,
     operator.EnableEditingHeader,
     operator.ExportIFC,

src/bonsai/bonsai/bim/module/project/data.py

@@ -132,13 +132,15 @@ class ProjectLibraryData:
         return results
 
     @classmethod
-    def project_libraries_enum(cls) -> list[tuple[str, str, str]]:
+    def project_libraries_enum(cls) -> list[tuple[str, str, str, str, int]]:
         results = [
-            ("*", "All Libraries", "Show all elements"),
-            ("-", "No Library", "Show elements without library assigned"),
+            ("*", "All Libraries", "Show all elements", "", 0),
+            ("-", "No Library", "Show elements without library assigned", "", 1),
         ]
-        for data in cls.data["project_libraries"].values():
-            results.append((str(data["id"]), data["Name"] or "", data["Description"] or ""))
+        props = tool.Project.get_project_props()
+        for i, data in enumerate(cls.data["project_libraries"].values(), len(results)):
+            icon = "GREASEPENCIL" if props.editing_project_library_id == data["id"] else ""
+            results.append((str(data["id"]), data["Name"] or "", data["Description"] or "", icon, i))
         return results
 
 

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

@@ -25,6 +25,7 @@ import tempfile
 import traceback
 import subprocess
 import datetime
+import ifcopenshell.api.attribute
 import numpy as np
 import ifcopenshell
 import ifcopenshell.api
@@ -604,6 +605,40 @@ class AppendLibraryElement(bpy.types.Operator, tool.Ifc.Operator):
                 ifc_importer.create_style(element)
 
 
+class EditProjectLibrary(bpy.types.Operator):
+    bl_idname = "bim.edit_project_library"
+    bl_label = "Edit Project Library"
+    bl_description = "Apply changes for currently edited library."
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        IfcStore.begin_transaction(self)
+        library_file = IfcStore.library_file
+        assert library_file
+        library_file.begin_transaction()
+        result = self._execute(context)
+        library_file.end_transaction()
+        IfcStore.add_transaction_operation(self)
+        IfcStore.end_transaction(self)
+        return result
+
+    def _execute(self, context):
+        props = tool.Project.get_project_props()
+        library_file = IfcStore.library_file
+        assert library_file
+        project_library = library_file.by_id(props.editing_project_library_id)
+        attributes = bonsai.bim.helper.export_attributes(props.project_library_attributes)
+        ifcopenshell.api.attribute.edit_attributes(library_file, project_library, attributes)
+        props.is_editing_project_library = False
+        return {"FINISHED"}
+
+    def rollback(self, data):
+        IfcStore.library_file.undo()
+
+    def commit(self, data):
+        IfcStore.library_file.redo()
+
+
 class EnableEditingHeader(bpy.types.Operator):
     bl_idname = "bim.enable_editing_header"
     bl_label = "Enable Editing Header"

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

@@ -21,9 +21,10 @@ import bpy
 import ifcopenshell.util.element
 import ifcopenshell.util.placement
 import bonsai.tool as tool
+import bonsai.bim.helper
 from bonsai.bim.module.project.data import ProjectData, ProjectLibraryData
 from bonsai.bim.ifc import IfcStore
-from bonsai.bim.prop import StrProperty, ObjProperty
+from bonsai.bim.prop import StrProperty, ObjProperty, Attribute
 from bpy.types import PropertyGroup
 from bpy.props import (
     PointerProperty,
@@ -88,6 +89,22 @@ def filter_by_library_update(self: "BIMProjectProperties", context: bpy.types.Co
     bpy.ops.bim.refresh_library()
 
 
+def is_editing_project_library_update(self: "BIMProjectProperties", context: bpy.types.Context) -> None:
+    if self.is_editing_project_library:
+        library_file = IfcStore.library_file
+        assert library_file
+        self.editing_project_library_id = int(self.selected_project_library)
+        project_library = library_file.by_id(int(self.selected_project_library))
+        bonsai.bim.helper.import_attributes2(project_library, self.project_library_attributes)
+        ProjectLibraryData.load()  # Show edit icon in enum.
+        return
+
+    del self["is_editing_project_library"]
+    del self["editing_project_library_id"]
+    self.project_library_attributes.clear()
+    ProjectLibraryData.load()  # Hide edit icon in enum.
+
+
 def update_filter_mode(self: "BIMProjectProperties", context: bpy.types.Context) -> None:
     self.filter_categories.clear()
     if self.filter_mode == "NONE":
@@ -300,6 +317,15 @@ class BIMProjectProperties(PropertyGroup):
         default=True,
         update=filter_by_library_update,
     )
+    is_editing_project_library: BoolProperty(
+        name="Is Editing Project Library",
+        description="Toggle editing for currently selected project library",
+        update=is_editing_project_library_update,
+    )
+    editing_project_library_id: IntProperty(
+        description="Needed to keep track of currently edited library when user changes currently selected library in dropdown."
+    )
+    project_library_attributes: CollectionProperty(name="Project Library Attributes", type=Attribute)
 
     use_relative_project_path: BoolProperty(name="Use Relative Project Path", default=False)
     queried_obj: bpy.props.PointerProperty(type=bpy.types.Object)
@@ -367,6 +393,9 @@ class BIMProjectProperties(PropertyGroup):
         library_file: str
         selected_project_library: Union[Literal["*", "-"], str]
         filter_by_library: bool
+        is_editing_project_library: bool
+        editing_project_library_id: int
+        project_library_attributes: bpy.types.bpy_prop_collection_idprop[Attribute]
 
         use_relative_project_path: bool
         queried_obj: Union[bpy.types.Object, None]

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

@@ -21,7 +21,7 @@ import bpy
 import os
 import bonsai.bim
 import bonsai.tool as tool
-from bonsai.bim.helper import prop_with_search
+from bonsai.bim.helper import prop_with_search, draw_attributes
 from bpy.types import Panel, Menu, UIList
 from bonsai.bim.ifc import IfcStore
 from bonsai.bim.module.project.data import ProjectData, LinksData
@@ -344,7 +344,7 @@ class BIM_PT_project_library(Panel):
     def draw(self, context):
         self.layout.use_property_decorate = False
         self.layout.use_property_split = True
-        self.props = context.scene.BIMProjectProperties
+        self.props = tool.Project.get_project_props()
         row = self.layout.row(align=True)
         row.prop(self.props, "library_file", text="")
         if self.props.library_file == "0":
@@ -364,16 +364,29 @@ class BIM_PT_project_library(Panel):
 
     def draw_library_ul(self):
         layout = self.layout
+        props = self.props
 
         if not self.props.library_elements:
             row = self.layout.row()
             row.label(text="No Assets Found", icon="ERROR")
             return
 
+        library_is_selected = props.selected_project_library not in ("*", "-")
         row = layout.row(align=True)
         row.prop(self.props, "selected_project_library", text="")
+
+        if library_is_selected and not props.is_editing_project_library:
+            row.prop(props, "is_editing_project_library", text="", icon="GREASEPENCIL")
+
         row.prop(self.props, "filter_by_library", text="", icon="FILTER")
 
+        if props.is_editing_project_library:
+            row = layout.row(align=True)
+            row.operator("bim.edit_project_library", text="Save Attributes", icon="GREASEPENCIL")
+            row.prop(props, "is_editing_project_library", text="", icon="CANCEL")
+            draw_attributes(props.project_library_attributes, layout)
+            layout.separator()
+
         row = self.layout.row(align=True)
         row.label(text=self.props.active_library_element or "Top Level Assets")
         if self.props.active_library_element: