Implement feature to select all products related to a task in blenderBIM, and the ifcopenshell.api

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

@@ -58,6 +58,7 @@ classes = (
     operator.GenerateGanttChart,
     operator.ImportP6,
     operator.LoadTaskProperties,
+    operator.SelectTaskRelatedProducts,
     prop.WorkPlan,
     prop.BIMWorkPlanProperties,
     prop.Task,

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

@@ -1250,3 +1250,22 @@ class DisableEditingSequenceAttributes(bpy.types.Operator):
     def execute(self, context):
         context.scene.BIMWorkScheduleProperties.active_sequence_id = 0
         return {"FINISHED"}
+
+
+class SelectTaskRelatedProducts(bpy.types.Operator):
+    bl_idname = "bim.select_task_related_products"
+    bl_label = "Select Similar Type"
+    task: bpy.props.IntProperty()
+
+    def execute(self, context):
+        self.file = IfcStore.get_file()
+        related_products = ifcopenshell.api.run(
+            "sequence.get_related_products",
+            self.file,
+            **{"related_object": self.file.by_id(self.task)}
+        )
+        for obj in bpy.context.visible_objects:
+            obj.select_set(False)
+            if obj.BIMObjectProperties.ifc_definition_id in related_products:
+                obj.select_set(True)
+        return {"FINISHED"}

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

@@ -172,17 +172,13 @@ class BIM_PT_work_schedules(Panel):
         row.label(text=task["Identification"] or "XXX")
         row.label(text=task["Name"] or "Unnamed")
         row.label(text=sequence["SequenceType"] or "N/A")
-
         if self.props.active_sequence_id == sequence["id"]:
-            row = self.layout.row()
             row.operator("bim.edit_sequence_attributes", text="", icon="CHECKMARK")
             row.operator("bim.disable_editing_sequence_attributes", text="", icon="X")
             self.draw_editable_sequence_attributes_ui()
         else:
-            row = self.layout.row()
             row.operator("bim.enable_editing_sequence_attributes", text="", icon="GREASEPENCIL").sequence = sequence["id"]
 
-
     def draw_editable_sequence_attributes_ui(self):
         for attribute in self.props.sequence_attributes:
             row = self.layout.row(align=True)
@@ -199,7 +195,6 @@ class BIM_PT_work_schedules(Panel):
             if attribute.is_optional:
                 row.prop(attribute, "is_null", icon="RADIOBUT_OFF" if attribute.is_null else "RADIOBUT_ON", text="")
 
-
     def draw_editable_task_calendar_ui(self):
         task = Data.tasks[self.props.active_task_id]
         if task["HasAssignmentsWorkCalendar"]:
@@ -317,6 +312,7 @@ class BIM_UL_tasks(UIList):
                 row.operator("bim.remove_task", text="", icon="X").task = item.ifc_definition_id
             else:
                 row.operator("bim.enable_editing_task_sequence", text="", icon="TRACKING").task = item.ifc_definition_id
+                row.operator("bim.select_task_related_products", icon="RESTRICT_SELECT_OFF", text="").task = item.ifc_definition_id
                 row.operator("bim.enable_editing_task_time", text="", icon="TIME").task = item.ifc_definition_id
                 row.operator("bim.enable_editing_task_calendar", text="", icon="VIEW_ORTHO").task = item.ifc_definition_id
                 row.operator("bim.enable_editing_task", text="", icon="GREASEPENCIL").task = item.ifc_definition_id

src/ifcopenshell-python/ifcopenshell/api/sequence/get_related_products.py

@@ -0,0 +1,28 @@
+import ifcopenshell
+
+
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {
+            "relating_product": None,
+            "related_object": None,
+        }
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        products = set()
+        related_object = None
+        if self.settings["related_object"]:
+            related_object = self.settings["related_object"]
+        elif self.settings["relating_product"]:
+            for reference in self.settings["relating_product"].ReferencedBy:
+                if reference.is_a("IfcRelAssignsToProduct"):
+                    related_object = referenced_by.RelatedObjects[0]
+        if related_object:
+            assignments = self.settings["related_object"].HasAssignments
+            for assignment in assignments:
+                if assignment.is_a("IfcRelAssignsToProduct"):
+                    products.add(assignment.RelatingProduct.id())
+        return products