Zones UI - add buttons for unassigning zone from the active objects

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

@@ -23,6 +23,7 @@ import ifcopenshell.util.system
 import ifcopenshell.util.unit
 from ifcopenshell.util.doc import get_entity_doc
 import bonsai.tool as tool
+from typing import Any
 
 
 def refresh():
@@ -266,9 +267,15 @@ class ActiveObjectZonesData:
         cls.is_loaded = True
 
     @classmethod
-    def zones(cls):
+    def zones(cls) -> list[dict[str, Any]]:
         obj = bpy.context.active_object
         assert obj
         element = tool.Ifc.get_entity(obj)
         assert element
-        return [z.Name or "Unnamed" for z in ifcopenshell.util.system.get_element_zones(element)]
+        return [
+            {
+                "id": z.id(),
+                "Name": (z.Name or "Unnamed"),
+            }
+            for z in ifcopenshell.util.system.get_element_zones(element)
+        ]

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

@@ -66,14 +66,6 @@ class BIM_PT_systems(Panel):
         if not ObjectSystemData.is_loaded:
             ObjectSystemData.load()
 
-        def draw_system_ui(row, system_id, system_name, system_class):
-            row = self.layout.row(align=True)
-            row.label(text=system_name, icon=SYSTEM_ICONS[system_class])
-            op = row.operator("bim.select_system_products", text="", icon="RESTRICT_SELECT_OFF")
-            op.system = system_id
-            op = row.operator("bim.unassign_system", text="", icon="X")
-            op.system = system_id
-
         self.props = tool.System.get_system_props()
         active_system_item = self.props.active_system_ui_item
         row = self.layout.row(align=True)
@@ -82,8 +74,7 @@ class BIM_PT_systems(Panel):
         row = self.layout.row()
         if active_system := tool.System.get_active_system():
             row.label(text=f"Active system:")
-            row = self.layout.row(align=True)
-            draw_system_ui(row, active_system.id(), active_system.Name, active_system.is_a())
+            tool.System.draw_system_ui(self.layout, active_system.id(), active_system.Name, active_system.is_a())
         else:
             row.label(text="No active system is selected")
 
@@ -91,8 +82,7 @@ class BIM_PT_systems(Panel):
             row = self.layout.row()
             row.label(text="Active object systems:")
             for system in ObjectSystemData.data["systems"]:
-                row = self.layout.row(align=True)
-                draw_system_ui(row, system["id"], system["name"], system["ifc_class"])
+                tool.System.draw_system_ui(self.layout, system["id"], system["name"], system["ifc_class"])
         else:
             self.layout.label(text="No System associated with active object")
 
@@ -416,8 +406,7 @@ class BIM_PT_active_object_zones(Panel):
         self.props = tool.System.get_zone_props()
 
         for zone in ActiveObjectZonesData.data["zones"]:
-            row = self.layout.row()
-            row.label(text=zone, icon="SEQ_STRIP_META")
+            tool.System.draw_system_ui(self.layout, zone["id"], zone["Name"], "IfcZone")
 
         if not ActiveObjectZonesData.data["zones"]:
             row = self.layout.row()

src/bonsai/bonsai/tool/system.py

@@ -426,3 +426,14 @@ class System(bonsai.core.tool.System):
         if not element.AssignedToFlowElement:
             return
         return element.AssignedToFlowElement[0].RelatingFlowElement
+
+    @classmethod
+    def draw_system_ui(cls, layout: bpy.types.UILayout, system_id: int, system_name: str, system_class: str) -> None:
+        from bonsai.bim.module.system.ui import SYSTEM_ICONS
+
+        row = layout.row(align=True)
+        row.label(text=system_name, icon=SYSTEM_ICONS[system_class])
+        op = row.operator("bim.select_system_products", text="", icon="RESTRICT_SELECT_OFF")
+        op.system = system_id
+        op = row.operator("bim.unassign_system", text="", icon="X")
+        op.system = system_id