Supersede 3x3 box alignment with more familiar horizontal / vertical UI

* Fix #7712 - global alignment controls now affects all literals
 * Fix #7760 - goodbye 3x3 box alignment

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/bonsai/bonsai/bim/module/drawing/operator.py

@@ -3305,9 +3305,8 @@ class AddTextLiteral(bpy.types.Operator):
                 attr.data_type = "string"
                 attr.string_value = literal_attr_values[attr_name]
 
-        box_alignment_mask = [False] * 9
+        literal_props.align_vertical = "bottom"
-        box_alignment_mask[6] = True  # bottom_left box_alignment
+        literal_props.align_horizontal = "left"
-        literal_props.box_alignment = box_alignment_mask
         return {"FINISHED"}
 
 
@@ -4178,10 +4177,7 @@ class SelectSimilarTextLiteralValue(bpy.types.Operator):
                                     should_select = True
                                     break
                         elif self.attribute_type == "box_alignment":
-                            box_alignment_attr = next(
+                            if literal.get_box_alignment() == self.literal_value:
-                                (attr for attr in literal.attributes if attr.name == "BoxAlignment"), None
-                            )
-                            if box_alignment_attr and box_alignment_attr.string_value == self.literal_value:
                                 should_select = True
                                 break
 

src/bonsai/bonsai/bim/module/drawing/prop.py

@@ -673,20 +673,6 @@ class BIMCameraProperties(PropertyGroup):
         return ortho_scale, aspect_ratio
 
 
-DEFAULT_BOX_ALIGNMENT = [False] * 6 + [True] + [False] * 2
-BOX_ALIGNMENT_POSITIONS = [
-    "top-left",
-    "top-middle",
-    "top-right",
-    "middle-left",
-    "center",
-    "middle-right",
-    "bottom-left",
-    "bottom-middle",
-    "bottom-right",
-]
-
-
 class ElementValueRow(PropertyGroup):
     """Represents a single element value row with category, key, and formatted value"""
 
@@ -789,40 +775,38 @@ def get_category_items_with_counts(self, context):
 
 
 class LiteralProps(PropertyGroup):
-    def set_box_alignment(self, new_value):
-        markers = new_value.count(True)
-        if not markers:
-            return
-
-        if markers > 1:
-            prev_value = self.get("box_alignment", DEFAULT_BOX_ALIGNMENT)
-            # looking for the first value changed to positive
-            first_changed_value = next((i for i in range(9) if new_value[i] and new_value[i] != prev_value[i]), None)
-
-            # if nothing have changed we just keep the previous value
-            if first_changed_value is None:
-                return
-            new_value = [False] * 9
-            new_value[first_changed_value] = True
-
-        self["box_alignment"] = new_value
-        position_string = BOX_ALIGNMENT_POSITIONS[next(i for i in range(9) if new_value[i])]
-        self.attributes["BoxAlignment"].set_value(position_string)
-
-    def get_box_alignment(self):
-        return self.get("box_alignment", DEFAULT_BOX_ALIGNMENT)
-
     attributes: CollectionProperty(name="Attributes", type=Attribute)
-    box_alignment: BoolVectorProperty(
-        name="Box alignment", size=9, set=set_box_alignment, get=get_box_alignment, default=DEFAULT_BOX_ALIGNMENT
-    )
     ifc_definition_id: IntProperty(name="IFC definition ID", default=0)
+    align_horizontal: EnumProperty(
+        items=[
+            ("left", "Left", "", "ALIGN_LEFT", 0),
+            ("middle", "Middle", "", "ALIGN_CENTER", 1),
+            ("right", "Right", "", "ALIGN_RIGHT", 2),
+        ],
+        default="left",
+        name="Horizontal Alignment",
+    )
+    align_vertical: EnumProperty(
+        items=[
+            ("top", "Top", "", "ALIGN_TOP", 0),
+            ("middle", "Middle", "", "ALIGN_MIDDLE", 1),
+            ("bottom", "Bottom", "", "ALIGN_BOTTOM", 2),
+        ],
+        default="middle",
+        name="Vertical Alignment",
+    )
+
+    def get_box_alignment(self) -> str:
+        alignment = self.align_vertical + "-" + self.align_horizontal
+        if alignment == "middle-middle":
+            alignment = "center"
+        return alignment
 
     def get_literal_edited_data(self) -> dict[str, str]:
         text_data = {
             "CurrentValue": self.attributes["Literal"].string_value,
             "Literal": self.attributes["Literal"].string_value,
-            "BoxAlignment": self.attributes["BoxAlignment"].string_value,
+            "BoxAlignment": self.get_box_alignment(),
         }
         return text_data
 
@@ -860,12 +844,19 @@ class LiteralProps(PropertyGroup):
     if TYPE_CHECKING:
         attributes: bpy.types.bpy_prop_collection_idprop[Attribute]
         value: str
-        box_alignment: tuple[bool, bool, bool, bool, bool, bool, bool, bool, bool]
         ifc_definition_id: int
+        align_horizontal: str
+        align_vertical: str
         element_value_rows: bpy.types.bpy_prop_collection_idprop[ElementValueRow]
         category_for_adding: str
 
 
+def update_text_alignment(self, context):
+    for literal_props in self.literals:
+        literal_props.align_horizontal = self.align_horizontal
+        literal_props.align_vertical = self.align_vertical
+
+
 class BIMTextProperties(PropertyGroup):
     is_editing: BoolProperty(name="Is Editing", default=False)
     literals: CollectionProperty(name="Literals", type=LiteralProps)
@@ -899,6 +890,7 @@ class BIMTextProperties(PropertyGroup):
         ],
         default="left",
         name="Horizontal Alignment",
+        update=update_text_alignment,
     )
     align_vertical: EnumProperty(
         items=[
@@ -908,6 +900,7 @@ class BIMTextProperties(PropertyGroup):
         ],
         default="middle",
         name="Vertical Alignment",
+        update=update_text_alignment,
     )
 
     if TYPE_CHECKING:

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

@@ -781,33 +781,10 @@ class BIM_PT_text(Panel):
             if other_attributes:
                 bonsai.bim.helper.draw_attributes(other_attributes, box)
 
-            row = box.row(align=True)
+            row = box.row()
-            cols = [row.column(align=True) for j in range(3)]
+            row.label(text="Alignment")
-            for j in range(9):
+            row.prop(literal_props, "align_horizontal", text="", expand=True)
-                cols[j % 3].prop(
+            row.prop(literal_props, "align_vertical", text="", expand=True)
-                    literal_props,
-                    "box_alignment",
-                    text="",
-                    index=j,
-                    icon="RADIOBUT_ON" if literal_props.box_alignment[j] else "RADIOBUT_OFF",
-                )
-
-            col = row.column(align=True)
-            alignment_label_row = col.row(align=True)
-            alignment_label_row.label(text="    Text box alignment:")
-
-            box_alignment_value = (
-                literal_props.attributes[
-                    next(
-                        (idx for idx, attr in enumerate(literal_props.attributes) if attr.name == "BoxAlignment"),
-                        -1,
-                    )
-                ].string_value
-                if any(attr.name == "BoxAlignment" for attr in literal_props.attributes)
-                else "N/A"
-            )
-
-            col.label(text=f"    {box_alignment_value}")
 
     def draw(self, context):
         obj = context.active_object

src/bonsai/bonsai/tool/drawing.py

@@ -603,6 +603,10 @@ class Drawing(bonsai.core.tool.Drawing):
         props = tool.Drawing.get_text_props(obj)
         for literal_props in props.literals:
             literal_data = bonsai.bim.helper.export_attributes(literal_props.attributes)
+            alignment = literal_props.align_vertical + "-" + literal_props.align_horizontal
+            if alignment == "middle-middle":
+                alignment = "center"
+            literal_data["BoxAlignment"] = alignment
             literals.append(literal_data)
         return literals
 
@@ -1176,22 +1180,26 @@ class Drawing(bonsai.core.tool.Drawing):
 
     @classmethod
     def import_text_attributes(cls, obj: bpy.types.Object) -> None:
-        from bonsai.bim.module.drawing.prop import BOX_ALIGNMENT_POSITIONS
-
         props = cls.get_text_props(obj)
         props.literals.clear()
 
         ifc_literals = cls.get_text_literal(obj, return_list=True)
         assert isinstance(ifc_literals, list)
+
+        if ifc_literals:
+            first_alignment = getattr(ifc_literals[0], "BoxAlignment", None) or "bottom-left"
+            if first_alignment == "center":
+                first_alignment = "middle-middle"
+            props.align_vertical, props.align_horizontal = first_alignment.split("-")
+
         for ifc_literal in ifc_literals:
             literal_props = props.literals.add()
             bonsai.bim.helper.import_attributes(ifc_literal, literal_props.attributes)
 
-            box_alignment_mask = [False] * 9
+            alignment = getattr(ifc_literal, "BoxAlignment", None) or "bottom-left"
-            position_string = literal_props.attributes["BoxAlignment"].string_value
+            if alignment == "center":
-            box_alignment_mask[BOX_ALIGNMENT_POSITIONS.index(position_string)] = True
+                alignment = "middle-middle"
-
+            literal_props.align_vertical, literal_props.align_horizontal = alignment.split("-")
-            literal_props.box_alignment = box_alignment_mask  # pyright: ignore[reportAttributeAccessIssue]
             literal_props.ifc_definition_id = ifc_literal.id()
 
         from bonsai.bim.module.drawing.data import DecoratorData

src/bonsai/test/tool/test_drawing.py

@@ -666,10 +666,13 @@ class TestImportTextAttributes(NewFile):
 
         literal_props = props.literals[0]
         assert literal_props.ifc_definition_id == item.id()
-        assert literal_props.box_alignment[:] == tuple([False] * 6 + [True] + [False] * 2)
         assert literal_props.attributes["Literal"].string_value == "Literal"
         assert literal_props.attributes["Path"].enum_value == "RIGHT"
         assert literal_props.attributes["BoxAlignment"].string_value == "bottom-left"
+        assert literal_props.align_vertical == "bottom"
+        assert literal_props.align_horizontal == "left"
+        assert props.align_vertical == "bottom"
+        assert props.align_horizontal == "left"
 
 
 class TestReplaceTextLiteralVariables(NewFile):