Rebuild text annotations to have leaders in the same object and use text literals. See #1153.

src/blenderbim/blenderbim/tool/__init__.py

@@ -21,6 +21,7 @@ from blenderbim.tool.blender import Blender
 from blenderbim.tool.brick import Brick
 from blenderbim.tool.collector import Collector
 from blenderbim.tool.context import Context
+from blenderbim.tool.drawing import Drawing
 from blenderbim.tool.geometry import Geometry
 from blenderbim.tool.ifc import Ifc
 from blenderbim.tool.material import Material

src/blenderbim/blenderbim/tool/drawing.py

@@ -0,0 +1,61 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2021 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.core.tool
+import blenderbim.tool as tool
+import ifcopenshell.util.representation
+
+
+class Drawing(blenderbim.core.tool.Drawing):
+    @classmethod
+    def disable_editing_text(cls, obj):
+        obj.BIMTextProperties.is_editing = False
+
+    @classmethod
+    def enable_editing_text(cls, obj):
+        obj.BIMTextProperties.is_editing = True
+
+    @classmethod
+    def export_text_literal_attributes(cls, obj):
+        return blenderbim.bim.helper.export_attributes(obj.BIMTextProperties.attributes)
+
+    @classmethod
+    def get_text_literal(cls, obj):
+        element = tool.Ifc.get_entity(obj)
+        if not element:
+            return
+        rep = ifcopenshell.util.representation.get_representation(element, "Plan", "Annotation")
+        if not rep:
+            return
+        items = [i for i in rep.Items if i.is_a("IfcTextLiteral")]
+        if items:
+            return items[0]
+
+    @classmethod
+    def import_text_attributes(cls, obj):
+        props = obj.BIMTextProperties
+        props.attributes.clear()
+        text = cls.get_text_literal(obj)
+        blenderbim.bim.helper.import_attributes2(text, props.attributes)
+
+    @classmethod
+    def update_text_value(cls, obj):
+        element = cls.get_text_literal(obj)
+        if element:
+            obj.BIMTextProperties.value = element.Literal

src/blenderbim/blenderbim/tool/geometry.py

@@ -105,6 +105,12 @@ class Geometry(blenderbim.core.tool.Geometry):
 
     @classmethod
     def get_ifc_representation_class(cls, element, representation):
+        if element.is_a("IfcAnnotation"):
+            if element.ObjectType == "TEXT":
+                return "IfcTextLiteral"
+            elif element.ObjectType == "TEXT_LEADER":
+                return "IfcGeometricCurveSet/IfcTextLiteral"
+
         material = ifcopenshell.util.element.get_material(element)
         if material and material.is_a("IfcMaterialProfileSetUsage"):
             return "IfcExtrudedAreaSolid/IfcMaterialProfileSetUsage"
@@ -151,6 +157,12 @@ class Geometry(blenderbim.core.tool.Geometry):
     def get_styles(cls, obj):
         return [tool.Style.get_style(s.material) for s in obj.material_slots if s.material]
 
+    @classmethod
+    def get_text_literal(cls, representation):
+        texts = [i for i in representation.Items if i.is_a("IfcTextLiteral")]
+        if texts:
+            return texts[0]
+
     @classmethod
     def get_total_representation_items(cls, obj):
         return max(1, len(obj.material_slots))