Project library UI - make filter optional and allow assigning to different libraries

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

@@ -288,11 +288,17 @@ class ChangeLibraryElement(bpy.types.Operator):
         is_declarable = project_libraries_exist and element.is_a("IfcObjectDefinition")
         new.is_declarable = is_declarable
 
+        selected_library = self.props.selected_project_library
         # is_declared.
         if not is_declarable:
             new.is_declared = False
-        elif (has_context := element.HasContext) and has_context[0].RelatingContext.is_a("IfcProjectLibrary"):
-            new.is_declared = True
+        elif has_context := element.HasContext:
+            relating_context: ifcopenshell.entity_instance
+            relating_context = has_context[0].RelatingContext
+            if selected_library in ("-", "*"):
+                new.is_declared = relating_context.is_a("IfcProjectLibrary")
+            else:
+                new.is_declared = relating_context == self.library_file.by_id(int(selected_library))
 
         # is_appended.
         try:
@@ -328,9 +334,13 @@ class RewindLibrary(bpy.types.Operator):
 class AssignLibraryDeclaration(bpy.types.Operator):
     bl_idname = "bim.assign_library_declaration"
     bl_label = "Assign Library Declaration"
+    bl_description = "Assign element to the active library. If no specific library selected, will assign it to the first library in the file."
     bl_options = {"REGISTER", "UNDO"}
     definition: bpy.props.IntProperty()
 
+    if TYPE_CHECKING:
+        definition: int
+
     def execute(self, context):
         IfcStore.begin_transaction(self)
         IfcStore.library_file.begin_transaction()
@@ -341,17 +351,22 @@ class AssignLibraryDeclaration(bpy.types.Operator):
         return result
 
     def _execute(self, context):
-        self.props = context.scene.BIMProjectProperties
-        self.file = IfcStore.library_file
-        ifcopenshell.api.run(
-            "project.assign_declaration",
-            self.file,
-            definitions=[self.file.by_id(self.definition)],
-            relating_context=self.file.by_type("IfcProjectLibrary")[0],
+        props = tool.Project.get_project_props()
+        library_file = IfcStore.library_file
+        assert library_file
+
+        if props.selected_project_library in ("*", "-"):
+            project_library = library_file.by_type("IfcProjectLibrary")[0]
+        else:
+            project_library = library_file.by_id(int(props.selected_project_library))
+
+        ifcopenshell.api.project.assign_declaration(
+            library_file,
+            definitions=[library_file.by_id(self.definition)],
+            relating_context=project_library,
         )
-        element_name = self.props.active_library_element
-        bpy.ops.bim.rewind_library()
-        bpy.ops.bim.change_library_element(element_name=element_name)
+
+        tool.Project.update_current_library_page()
         return {"FINISHED"}
 
     def rollback(self, data):
@@ -367,6 +382,9 @@ class UnassignLibraryDeclaration(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
     definition: bpy.props.IntProperty()
 
+    if TYPE_CHECKING:
+        definition: int
+
     def execute(self, context):
         IfcStore.begin_transaction(self)
         IfcStore.library_file.begin_transaction()
@@ -377,17 +395,18 @@ class UnassignLibraryDeclaration(bpy.types.Operator):
         return result
 
     def _execute(self, context):
-        self.props = context.scene.BIMProjectProperties
-        self.file = IfcStore.library_file
-        ifcopenshell.api.run(
-            "project.unassign_declaration",
-            self.file,
-            definitions=[self.file.by_id(self.definition)],
-            relating_context=self.file.by_type("IfcProjectLibrary")[0],
+        props = tool.Project.get_project_props()
+        library_file = IfcStore.library_file
+        assert library_file
+
+        element = library_file.by_id(self.definition)
+        ifcopenshell.api.project.unassign_declaration(
+            library_file,
+            definitions=[library_file.by_id(self.definition)],
+            relating_context=element.HasContext[0].RelatingContext,
         )
-        element_name = self.props.active_library_element
-        bpy.ops.bim.rewind_library()
-        bpy.ops.bim.change_library_element(element_name=element_name)
+
+        tool.Project.update_current_library_page()
         return {"FINISHED"}
 
     def rollback(self, data):

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

@@ -67,7 +67,11 @@ def update_library_file(self: "BIMProjectProperties", context: bpy.types.Context
 
 
 def update_selected_project_library(self: "BIMProjectProperties", context: bpy.types.Context) -> None:
-    bpy.ops.bim.refresh_library()
+    if self.filter_by_library:
+        bpy.ops.bim.refresh_library()
+    else:
+        # Ensure `.is_declared` up to date.
+        tool.Project.update_current_library_page()
 
 
 def get_project_libaries(self: "BIMProjectProperties", context: bpy.types.Context) -> list[tuple[str, str, str]]:
@@ -76,6 +80,13 @@ def get_project_libaries(self: "BIMProjectProperties", context: bpy.types.Contex
     return ProjectLibraryData.data["project_libraries_enum"]
 
 
+def filter_by_library_update(self: "BIMProjectProperties", context: bpy.types.Context) -> None:
+    if self.filter_by_library and self.selected_project_library == "*":
+        # Filter is toggled from OFF to ON, so it was showing all elements previously either way.
+        return
+    bpy.ops.bim.refresh_library()
+
+
 def update_filter_mode(self: "BIMProjectProperties", context: bpy.types.Context) -> None:
     self.filter_categories.clear()
     if self.filter_mode == "NONE":
@@ -282,6 +293,12 @@ class BIMProjectProperties(PropertyGroup):
         description="Project library to display elements from",
         update=update_selected_project_library,
     )
+    filter_by_library: BoolProperty(
+        name="Filter by Library",
+        description="Filter library elements based on selected library. If unselected can be used to assign selected library to library elements.",
+        default=True,
+        update=filter_by_library_update,
+    )
 
     use_relative_project_path: BoolProperty(name="Use Relative Project Path", default=False)
     queried_obj: bpy.props.PointerProperty(type=bpy.types.Object)
@@ -348,6 +365,7 @@ class BIMProjectProperties(PropertyGroup):
 
         library_file: str
         selected_project_library: Union[Literal["*", "-"], str]
+        filter_by_library: bool
 
         use_relative_project_path: bool
         queried_obj: Union[bpy.types.Object, None]

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

@@ -363,11 +363,17 @@ class BIM_PT_project_library(Panel):
             row.label(text="No Library Loaded", icon="ASSET_MANAGER")
 
     def draw_library_ul(self):
+        layout = self.layout
+
         if not self.props.library_elements:
             row = self.layout.row()
             row.label(text="No Assets Found", icon="ERROR")
             return
-        self.layout.prop(self.props, "selected_project_library", text="")
+
+        row = layout.row(align=True)
+        row.prop(self.props, "selected_project_library", text="")
+        row.prop(self.props, "filter_by_library", text="", icon="FILTER")
+
         row = self.layout.row(align=True)
         row.label(text=self.props.active_library_element or "Top Level Assets")
         if self.props.active_library_element:

src/bonsai/bonsai/tool/project.py

@@ -303,12 +303,14 @@ class Project(bonsai.core.tool.Project):
         library_file = IfcStore.library_file
         assert library_file
 
-        if props.selected_project_library == "*":
+        selected_project_library = props.selected_project_library if props.filter_by_library else "*"
+
+        if selected_project_library == "*":
 
             def condition(elements: list[ifcopenshell.entity_instance]):
                 yield from elements
 
-        elif props.selected_project_library == "-":
+        elif selected_project_library == "-":
 
             def condition(elements: list[ifcopenshell.entity_instance]):
                 for element in elements:
@@ -316,7 +318,7 @@ class Project(bonsai.core.tool.Project):
                         yield element
 
         else:
-            project_library = library_file.by_id(int(props.selected_project_library))
+            project_library = library_file.by_id(int(selected_project_library))
             project_library_rels = set(project_library.Declares)
             if project_library_rels:
 
@@ -333,3 +335,10 @@ class Project(bonsai.core.tool.Project):
                     pass
 
         return condition
+
+    @classmethod
+    def update_current_library_page(cls):
+        props = cls.get_project_props()
+        element_name = props.active_library_element
+        bpy.ops.bim.rewind_library()
+        bpy.ops.bim.change_library_element(element_name=element_name)