Enable displaying assigned nested tasks for Cost Items

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

@@ -67,6 +67,8 @@ classes = (
     operator.ExpandCostItemRate,
     operator.ContractCostItemRate,
     operator.CalculateCostItemResourceValue,
+    operator.LoadCostItemElementQuantities,
+    operator.LoadCostItemTaskQuantities,
     prop.CostItem,
     prop.CostItemQuantity,
     prop.CostItemType,

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

@@ -528,6 +528,17 @@ class LoadCostItemElementQuantities(bpy.types.Operator):
         core.load_cost_item_element_quantities(tool.Cost)
         return {"FINISHED"}
 
+
+class LoadCostItemTaskQuantities(bpy.types.Operator):
+    bl_idname = "bim.load_cost_item_task_quantities"
+    bl_label = "Load Cost Item Task Quantities"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        core.load_cost_item_task_quantities(tool.Cost)
+        return {"FINISHED"}
+
+
 class LoadCostItemTypes(bpy.types.Operator):
     bl_idname = "bim.load_cost_item_types"
     bl_label = "Load Cost Item Types"

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

@@ -138,6 +138,10 @@ def update_active_cost_item_elements(self, context):
     bpy.ops.bim.load_cost_item_element_quantities()
 
 
+def update_active_cost_item_tasks(self, context):
+    bpy.ops.bim.load_cost_item_task_quantities()
+
+
 class BIMCostProperties(PropertyGroup):
     cost_schedule_predefined_types: EnumProperty(
         items=get_schedule_predefined_types, name="Predefined Type", default=None
@@ -189,6 +193,6 @@ class BIMCostProperties(PropertyGroup):
     cost_item_rates: CollectionProperty(name="Cost Item Rates", type=CostItem)
     active_cost_item_rate_index: IntProperty(name="Active Cost Rate Index")
     contracted_cost_item_rates: StringProperty(name="Contracted Cost Item Rates", default="[]")
-    show_nested_elements: BoolProperty(
+    show_nested_elements: BoolProperty(name="Show Nested Tasks", default=False, update=update_active_cost_item_elements)
-        name="Show Nested Tasks", default=False, update=update_active_cost_item_elements
+    show_nested_tasks: BoolProperty(name="Show Nested Tasks", default=False, update=update_active_cost_item_tasks)
     )

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

@@ -399,6 +399,9 @@ class BIM_PT_cost_item_quantities(Panel):
             op.cost_item = cost_item.ifc_definition_id
             op.prop_name = ""
 
+        row2 = col.row()
+        row2.prop(self.props, "show_nested_tasks", text="Show nested")
+
         row2 = col.row()
         row2.template_list(
             "BIM_UL_cost_item_quantities",

src/blenderbim/blenderbim/core/cost.py

@@ -118,6 +118,9 @@ def load_cost_item_element_quantities(cost):
     cost_item = cost.get_highlighted_cost_item()
     cost.load_cost_item_quantity_assignments(cost_item, related_object_type="PRODUCT")
 
+def load_cost_item_task_quantities(cost):
+    cost_item = cost.get_highlighted_cost_item()
+    cost.load_cost_item_quantity_assignments(cost_item, related_object_type="PROCESS")
 
 
 def assign_cost_value(ifc, cost_item, cost_rate):