You can now customise the data columns shown in the work task tree

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

@@ -73,6 +73,8 @@ classes = (
     operator.BlenderBIM_DatePicker,
     operator.BlenderBIM_DatePickerSetDate,
     operator.BlenderBIM_RedrawDatePicker,
+    operator.AddTaskColumn,
+    operator.RemoveTaskColumn,
     prop.WorkPlan,
     prop.BIMWorkPlanProperties,
     prop.Task,
@@ -85,6 +87,7 @@ classes = (
     ui.BIM_PT_work_plans,
     ui.BIM_PT_work_schedules,
     ui.BIM_PT_work_calendars,
+    ui.BIM_UL_task_columns,
     ui.BIM_UL_tasks,
 )
 

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

@@ -1705,3 +1705,28 @@ class RecalculateSchedule(bpy.types.Operator):
         )
         Data.load(self.file)
         return {"FINISHED"}
+
+
+class AddTaskColumn(bpy.types.Operator):
+    bl_idname = "bim.add_task_column"
+    bl_label = "Add Task Column"
+    type: bpy.props.StringProperty()
+    name: bpy.props.StringProperty()
+
+    def execute(self, context):
+        self.props = context.scene.BIMWorkScheduleProperties
+        new = self.props.columns.add()
+        name, data_type = self.name.split("/")
+        new.name = f"{self.type}.{name}"
+        new.data_type = data_type
+        return {"FINISHED"}
+
+
+class RemoveTaskColumn(bpy.types.Operator):
+    bl_idname = "bim.remove_task_column"
+    bl_label = "Remove Task Column"
+
+    def execute(self, context):
+        self.props = context.scene.BIMWorkScheduleProperties
+        self.props.columns.remove(self.props.active_column_index)
+        return {"FINISHED"}

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

@@ -1,5 +1,6 @@
 import bpy
 import ifcopenshell.api
+import ifcopenshell.util.attribute
 from blenderbim.bim.ifc import IfcStore
 from ifcopenshell.api.sequence.data import Data
 from blenderbim.bim.prop import StrProperty, Attribute
@@ -17,6 +18,53 @@ from bpy.props import (
 )
 
 
+taskcolumns_enum = []
+tasktimecolumns_enum = []
+
+
+def purge():
+    global taskcolumns_enum
+    global tasktimecolumns_enum
+    taskcolumns_enum = []
+    tasktimecolumns_enum = []
+
+
+def getTaskColumns(self, context):
+    global taskcolumns_enum
+    if not len(taskcolumns_enum) and IfcStore.get_schema():
+        taskcolumns_enum.extend(
+            [
+                (a.name() + "/" + ifcopenshell.util.attribute.get_primitive_type(a), a.name(), "")
+                for a in IfcStore.get_schema().declaration_by_name("IfcTask").all_attributes()
+                if ifcopenshell.util.attribute.get_primitive_type(a)
+                in ["string", "float", "integer", "boolean", "enum"]
+            ]
+        )
+    return taskcolumns_enum
+
+
+def getTaskTimeColumns(self, context):
+    global tasktimecolumns_enum
+    if not len(tasktimecolumns_enum) and IfcStore.get_schema():
+        tasktimecolumns_enum.extend(
+            [
+                (a.name() + "/" + ifcopenshell.util.attribute.get_primitive_type(a), a.name(), "")
+                for a in IfcStore.get_schema().declaration_by_name("IfcTaskTime").all_attributes()
+                if ifcopenshell.util.attribute.get_primitive_type(a)
+                in ["string", "float", "integer", "boolean", "enum"]
+            ]
+        )
+    return tasktimecolumns_enum
+
+
+def getWorkSchedules(self, context):
+    return [(str(k), v["Name"], "") for k, v in Data.work_schedules.items()]
+
+
+def getWorkCalendars(self, context):
+    return [(str(k), v["Name"], "") for k, v in Data.work_calendars.items()]
+
+
 def updateTaskName(self, context):
     props = context.scene.BIMWorkScheduleProperties
     if not props.is_task_update_enabled or self.name == "Unnamed":
@@ -160,17 +208,6 @@ def updateVisualisationStartFinish(self, context, startfinish):
         setattr(self, startfinish, canonical_value)
 
 
-workschedule_enum = []
-
-
-def getWorkSchedules(self, context):
-    return [(str(k), v["Name"], "") for k, v in Data.work_schedules.items()]
-
-
-def getWorkCalendars(self, context):
-    return [(str(k), v["Name"], "") for k, v in Data.work_calendars.items()]
-
-
 class Task(PropertyGroup):
     name: StringProperty(name="Name", update=updateTaskName)
     identification: StringProperty(name="Identification", update=updateTaskIdentification)
@@ -216,8 +253,17 @@ class BIMWorkScheduleProperties(PropertyGroup):
     active_task_id: IntProperty(name="Active Task Id")
     task_attributes: CollectionProperty(name="Task Attributes", type=Attribute)
     should_show_visualisation_ui: BoolProperty(name="Should Show Visualisation UI", default=False)
-    should_show_times: BoolProperty(name="Should Show Times", default=False)
+    should_show_column_ui: BoolProperty(name="Should Show Column UI", default=False)
-    should_show_calendars: BoolProperty(name="Should Show Calendars", default=False)
+    columns: CollectionProperty(name="Columns", type=Attribute)
+    active_column_index: IntProperty(name="Active Column Index")
+    task_columns: EnumProperty(items=getTaskColumns, name="Task Columns")
+    task_time_columns: EnumProperty(items=getTaskTimeColumns, name="Task Time Columns")
+    other_columns: EnumProperty(
+        items=[
+            ("Controls.Calendar", "Calendar", ""),
+        ],
+        name="Special Columns",
+    )
     active_task_time_id: IntProperty(name="Active Task Id")
     task_time_attributes: CollectionProperty(name="Task Time Attributes", type=Attribute)
     contracted_tasks: StringProperty(name="Contracted Task Items", default="[]")

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

@@ -111,8 +111,7 @@ class BIM_PT_work_schedules(Panel):
             if self.props.editing_type == "WORK_SCHEDULE":
                 row.operator("bim.edit_work_schedule", text="", icon="CHECKMARK")
             elif self.props.editing_type == "TASKS":
-                row.prop(self.props, "should_show_times", text="", icon="TIME")
+                row.prop(self.props, "should_show_column_ui", text="", icon="SHORTDISPLAY")
-                row.prop(self.props, "should_show_calendars", text="", icon="VIEW_ORTHO")
                 row.prop(self.props, "should_show_visualisation_ui", text="", icon="CAMERA_STEREO")
                 row.operator("bim.generate_gantt_chart", text="", icon="NLA").work_schedule = work_schedule_id
                 row.operator("bim.recalculate_schedule", text="", icon="FILE_REFRESH").work_schedule = work_schedule_id
@@ -128,6 +127,8 @@ class BIM_PT_work_schedules(Panel):
             row.operator("bim.remove_work_schedule", text="", icon="X").work_schedule = work_schedule_id
 
         if self.props.active_work_schedule_id == work_schedule_id:
+            if self.props.should_show_column_ui:
+                self.draw_column_ui()
             if self.props.should_show_visualisation_ui:
                 self.draw_visualisation_ui()
             if self.props.editing_type == "WORK_SCHEDULE":
@@ -135,6 +136,28 @@ class BIM_PT_work_schedules(Panel):
             elif self.props.editing_type == "TASKS":
                 self.draw_editable_task_ui(work_schedule_id)
 
+    def draw_column_ui(self):
+        row = self.layout.row(align=True)
+        row.prop(self.props, "task_columns", text="")
+        op = row.operator("bim.add_task_column", text="", icon="ADD")
+        op.type = "IfcTask"
+        op.name = self.props.task_columns
+
+        row = self.layout.row(align=True)
+        row.prop(self.props, "task_time_columns", text="")
+        op = row.operator("bim.add_task_column", text="", icon="ADD")
+        op.type = "IfcTaskTime"
+        op.name = self.props.task_time_columns
+
+        row = self.layout.row(align=True)
+        row.prop(self.props, "other_columns", text="")
+        op = row.operator("bim.add_task_column", text="", icon="ADD")
+        type, name = self.props.other_columns.split(".")
+        op.type = type
+        op.name = f"{name}/string"
+
+        self.layout.template_list("BIM_UL_task_columns", "", self.props, "columns", self.props, "active_column_index")
+
     def draw_visualisation_ui(self):
         row = self.layout.row(align=True)
         target_prop = "BIMWorkScheduleProperties.visualisation_start"
@@ -260,10 +283,19 @@ class BIM_PT_work_schedules(Panel):
         blenderbim.bim.helper.draw_attributes(self.props.task_time_attributes, self.layout)
 
 
+class BIM_UL_task_columns(UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        if item:
+            row = layout.row(align=True)
+            row.prop(item, "name", emboss=False, text="")
+            row.operator("bim.remove_task_column", text="", icon="X")
+
+
 class BIM_UL_tasks(UIList):
     def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
         if item:
             props = context.scene.BIMWorkScheduleProperties
+            task = IfcStore.get_file().by_id(item.ifc_definition_id)
             row = layout.row(align=True)
             for i in range(0, item.level_index):
                 row.label(text="", icon="BLANK1")
@@ -281,27 +313,36 @@ class BIM_UL_tasks(UIList):
             row.prop(item, "identification", emboss=False, text="")
             row.prop(item, "name", emboss=False, text="")
 
-            if props.should_show_times:
+            for column in props.columns:
-                if item.derived_start:
+                if column.name == "IfcTaskTime.ScheduleStart":
-                    row.label(text=item.derived_start + "*")
+                    if item.derived_start:
+                        row.label(text=item.derived_start + "*")
+                    else:
+                        row.prop(item, "start", emboss=False, text="")
+                elif column.name == "IfcTaskTime.ScheduleFinish":
+                    if item.derived_finish:
+                        row.label(text=item.derived_finish + "*")
+                    else:
+                        row.prop(item, "finish", emboss=False, text="")
+                elif column.name == "IfcTaskTime.ScheduleDuration":
+                    if item.derived_duration:
+                        row.label(text=item.derived_duration + "*")
+                    else:
+                        row.prop(item, "duration", emboss=False, text="")
+                elif column.name == "Controls.Calendar":
+                    if item.derived_calendar:
+                        row.label(text=item.derived_calendar + "*")
+                    else:
+                        row.label(text=item.calendar or "-")
                 else:
-                    row.prop(item, "start", emboss=False, text="")
+                    ifc_class, name = column.name.split(".")
-
+                    if ifc_class == "IfcTask":
-                if item.derived_finish:
+                        value = getattr(task, name)
-                    row.label(text=item.derived_finish + "*")
+                    elif ifc_class == "IfcTaskTime":
-                else:
+                        value = getattr(task.TaskTime, name) if task.TaskTime else None
-                    row.prop(item, "finish", emboss=False, text="")
+                    if value is None:
-
+                        value = "-"
-                if item.derived_duration:
+                    row.label(text=str(value))
-                    row.label(text=item.derived_duration + "*")
-                else:
-                    row.prop(item, "duration", emboss=False, text="")
-
-            if props.should_show_calendars:
-                if item.derived_calendar:
-                    row.label(text=item.derived_calendar + "*")
-                else:
-                    row.label(text=item.calendar or "-")
 
             if context.active_object:
                 oprops = context.active_object.BIMObjectProperties