New booleans UI panel to manage representation boolean stack

src/blenderbim/blenderbim/bim/module/model/opening.py

@@ -281,6 +281,9 @@ class AddBoolean(Operator, tool.Ifc.Operator):
             is_global=True,
             should_sync_changes_first=False,
         )
+
+        tool.Ifc.unlink(obj=obj2)
+        bpy.data.objects.remove(obj2)
         return {"FINISHED"}
 
 
@@ -307,7 +310,7 @@ class ShowBooleans(Operator, tool.Ifc.Operator, AddObjectHelper):
                     boolean_obj = self.create_half_space_solid()
                     position = boolean.BaseSurface.Position
                     position = Matrix(ifcopenshell.util.placement.get_axis2placement(position).tolist())
-                    boolean_obj.matrix_world = position
+                    boolean_obj.matrix_world = obj.matrix_world @ position
                     boolean_obj.data.BIMMeshProperties.ifc_boolean_id = boolean.id()
                     boolean_obj.data.BIMMeshProperties.obj = obj
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/model/workspace.py

@@ -146,8 +146,6 @@ class BimTool(WorkSpaceTool):
                 op = row.operator("bim.change_layer_length", icon="FILE_REFRESH", text="")
                 op.length = props.length
 
-                row = layout.row()
-                row.label(text="Join")
                 row = layout.row(align=True)
                 row.label(text="", icon="EVENT_SHIFT")
                 row.label(text="", icon="EVENT_E")
@@ -162,18 +160,9 @@ class BimTool(WorkSpaceTool):
                 row.operator("bim.hotkey", text="Mitre").hotkey = "S_Y"
                 row = layout.row(align=True)
                 row.label(text="", icon="EVENT_SHIFT")
-                row.label(text="", icon="EVENT_G")
-                row.operator("bim.hotkey", text="Regen Connections").hotkey = "S_G"
-                row = layout.row(align=True)
-                row.label(text="", icon="EVENT_SHIFT")
                 row.label(text="", icon="EVENT_M")
                 row.operator("bim.hotkey", text="Merge").hotkey = "S_M"
                 row = layout.row(align=True)
-                row.operator("bim.join_wall", icon="X", text="Disconnect").join_type = ""
-
-                row = layout.row()
-                row.label(text="Wall Tools")
-                row = layout.row(align=True)
                 row.label(text="", icon="EVENT_SHIFT")
                 row.label(text="", icon="EVENT_F")
                 row.operator("bim.hotkey", text="Flip").hotkey = "S_F"
@@ -181,7 +170,11 @@ class BimTool(WorkSpaceTool):
                 row.label(text="", icon="EVENT_SHIFT")
                 row.label(text="", icon="EVENT_S")
                 row.operator("bim.hotkey", text="Split").hotkey = "S_S"
-
+                row = layout.row(align=True)
+                row.label(text="", icon="EVENT_SHIFT")
+                row.label(text="", icon="EVENT_G")
+                row.operator("bim.hotkey", text="Regen").hotkey = "S_G"
+                row.operator("bim.join_wall", icon="X", text="").join_type = ""
             if ifc_class == "IfcSlabType":
                 if not context.active_object:
                     pass
@@ -203,8 +196,6 @@ class BimTool(WorkSpaceTool):
                 op = row.operator("bim.change_profile_depth", icon="FILE_REFRESH", text="")
                 op.depth = props.extrusion_depth
 
-                row = layout.row()
-                row.label(text="Join")
                 row = layout.row(align=True)
                 row.label(text="", icon="EVENT_SHIFT")
                 row.label(text="", icon="EVENT_E")
@@ -224,9 +215,8 @@ class BimTool(WorkSpaceTool):
                 row = layout.row(align=True)
                 row.label(text="", icon="EVENT_SHIFT")
                 row.label(text="", icon="EVENT_G")
-                row.operator("bim.hotkey", text="Regen Connections").hotkey = "S_G"
-                row = layout.row(align=True)
-                row.operator("bim.extend_profile", icon="X", text="Disconnect").join_type = ""
+                row.operator("bim.hotkey", text="Regen").hotkey = "S_G"
+                row.operator("bim.extend_profile", icon="X", text="").join_type = ""
 
             if props.ifc_class in (
                 "IfcCableCarrierSegmentType",

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

@@ -28,6 +28,7 @@ classes = (
     operator.ToggleDecompositionParenting,
     prop.VoidProperties,
     ui.BIM_PT_voids,
+    ui.BIM_PT_booleans,
 )
 
 

src/blenderbim/blenderbim/bim/module/void/data.py

@@ -0,0 +1,54 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2022 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+import blenderbim.tool as tool
+
+
+def refresh():
+    BooleansData.is_loaded = False
+
+
+class BooleansData:
+    data = {}
+    is_loaded = False
+
+    @classmethod
+    def load(cls):
+        cls.data = {"total_booleans": cls.total_booleans()}
+        cls.is_loaded = True
+
+    @classmethod
+    def total_booleans(cls):
+        obj = bpy.context.active_object
+        if (
+            not obj.data
+            or not hasattr(obj.data, "BIMMeshProperties")
+            or not obj.data.BIMMeshProperties.ifc_definition_id
+        ):
+            return 0
+        representation = tool.Ifc.get().by_id(obj.data.BIMMeshProperties.ifc_definition_id)
+        total_booleans = 0
+        for item in representation.Items:
+            while True:
+                if item.is_a("IfcBooleanResult"):
+                    total_booleans += 1
+                    item = item.FirstOperand
+                else:
+                    break
+        return total_booleans

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

@@ -20,6 +20,7 @@ import bpy
 from bpy.types import Panel
 from ifcopenshell.api.void.data import Data
 from blenderbim.bim.ifc import IfcStore
+from blenderbim.bim.module.void.data import BooleansData
 
 
 class BIM_PT_voids(Panel):
@@ -115,3 +116,42 @@ class BIM_PT_voids(Panel):
             row = self.layout.row(align=True)
             row.label(text=opening["Name"], icon="SELECT_INTERSECT")
             row.operator("bim.remove_filling", icon="X", text="")
+
+
+class BIM_PT_booleans(Panel):
+    bl_label = "IFC Booleans"
+    bl_idname = "BIM_PT_booleans"
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "data"
+
+    @classmethod
+    def poll(cls, context):
+        return (
+            context.active_object is not None
+            and context.active_object.type == "MESH"
+            and hasattr(context.active_object.data, "BIMMeshProperties")
+            and (
+                context.active_object.data.BIMMeshProperties.ifc_definition_id
+                or context.active_object.data.BIMMeshProperties.ifc_boolean_id
+            )
+        )
+
+    def draw(self, context):
+        if not BooleansData.is_loaded:
+            BooleansData.load()
+
+        if not context.active_object.data:
+            return
+        layout = self.layout
+        props = context.active_object.data.BIMMeshProperties
+
+        if context.active_object.data.BIMMeshProperties.ifc_definition_id:
+            row = layout.row(align=True)
+            row.label(text=f"{BooleansData.data['total_booleans']} Booleans Found")
+            row.operator("bim.add_boolean", text="", icon="ADD")
+            row.operator("bim.show_booleans", text="", icon="HIDE_OFF")
+            row.operator("bim.hide_booleans", text="", icon="HIDE_ON")
+        elif context.active_object.data.BIMMeshProperties.ifc_boolean_id:
+            row = layout.row()
+            row.operator("bim.remove_booleans", text="Remove Boolean", icon="X")