See #2516. Titleblocks dropdown now also shows project titleblocks.

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

@@ -16,10 +16,12 @@
 # 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 os
 import bpy
 import ifcopenshell.util.element
 import ifcopenshell.util.representation
 import blenderbim.tool as tool
+from pathlib import Path
 
 
 def refresh():
@@ -56,13 +58,29 @@ class SheetsData:
 
     @classmethod
     def load(cls):
-        cls.data = {"total_sheets": cls.total_sheets()}
+        cls.data = {"total_sheets": cls.total_sheets(), "titleblocks": cls.titleblocks()}
         cls.is_loaded = True
 
     @classmethod
     def total_sheets(cls):
         return len([d for d in tool.Ifc.get().by_type("IfcDocumentInformation") if d.Scope == "SHEET"])
 
+    @classmethod
+    def titleblocks(cls):
+        files = Path(os.path.join(bpy.context.scene.BIMProperties.data_dir, "templates", "titleblocks")).glob("*.svg")
+        files = [str(f.stem) for f in files]
+
+        if tool.Ifc.get():
+            project = tool.Ifc.get().by_type("IfcProject")[0]
+            titleblocks_dir = ifcopenshell.util.element.get_pset(project, "BBIM_Documentation", "TitleblocksDir")
+            if not titleblocks_dir:
+                titleblocks_dir = bpy.context.scene.DocProperties.titleblocks_dir
+            titleblocks_dir = tool.Ifc.resolve_uri(titleblocks_dir)
+            if os.path.exists(titleblocks_dir):
+                files.extend([str(f.stem) for f in Path(titleblocks_dir).glob("*.svg")])
+
+        return [(f, f, "") for f in sorted(list(set(files)))]
+
 
 class DrawingsData:
     data = {}

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

@@ -25,7 +25,7 @@ import blenderbim.tool as tool
 import blenderbim.core.drawing as core
 import blenderbim.bim.module.drawing.annotation as annotation
 import blenderbim.bim.module.drawing.decoration as decoration
-from blenderbim.bim.module.drawing.data import DrawingsData, DecoratorData
+from blenderbim.bim.module.drawing.data import DrawingsData, DecoratorData, SheetsData
 from blenderbim.bim.module.drawing.data import refresh as refresh_drawing_data
 from pathlib import Path
 from blenderbim.bim.prop import Attribute, StrProperty
@@ -44,18 +44,15 @@ from bpy.props import (
 
 
 diagram_scales_enum = []
-titleblocks_enum = []
 sheets_enum = []
 vector_styles_enum = []
 
 
 def purge():
     global diagram_scales_enum
-    global titleblocks_enum
     global sheets_enum
     global vector_styles_enum
     diagram_scales_enum = []
-    titleblocks_enum = []
     sheets_enum = []
     vector_styles_enum = []
 
@@ -191,20 +188,14 @@ def update_layer(self, context, name, value):
     ifcopenshell.api.run("pset.edit_pset", tool.Ifc.get(), pset=pset, properties={name: value})
 
 
-def getTitleblocks(self, context):
+def get_titleblocks(self, context):
-    global titleblocks_enum
+    if not SheetsData.is_loaded:
-    if len(titleblocks_enum) < 1:
+        SheetsData.load()
-        titleblocks_enum.clear()
+    return SheetsData.data["titleblocks"]
-        files = Path(os.path.join(context.scene.BIMProperties.data_dir, "templates", "titleblocks")).glob("*.svg")
-        files = sorted([str(f.stem) for f in files])
-        titleblocks_enum.extend([(f, f, "") for f in files])
-    return titleblocks_enum
 
 
-def refreshTitleblocks(self, context):
+def update_titleblocks(self, context):
-    global titleblocks_enum
+    SheetsData.data["titleblocks"] = SheetsData.titleblocks()
-    titleblocks_enum.clear()
-    getTitleblocks(self, context)
 
 
 def toggleDecorations(self, context):
@@ -327,7 +318,7 @@ class DocProperties(PropertyGroup):
     current_drawing_index: IntProperty(name="Current Drawing Index")
     schedules: CollectionProperty(name="Schedules", type=Schedule)
     active_schedule_index: IntProperty(name="Active Schedule Index")
-    titleblock: EnumProperty(items=getTitleblocks, name="Titleblock", update=refreshTitleblocks)
+    titleblock: EnumProperty(items=get_titleblocks, name="Titleblock", update=update_titleblocks)
     is_editing_sheets: BoolProperty(name="Is Editing Sheets", default=False)
     sheets: CollectionProperty(name="Sheets", type=Sheet)
     active_sheet_index: IntProperty(name="Active Sheet Index")

src/blenderbim/blenderbim/bim/module/drawing/sheeter.py

@@ -35,18 +35,22 @@ class SheetBuilder:
         self.scale = "NTS"
 
     def create(self, layout_path, titleblock_name):
-        sheet_dir = os.path.dirname(layout_path)
-
         root = ET.Element("svg")
         root.attrib["xmlns"] = "http://www.w3.org/2000/svg"
         root.attrib["xmlns:xlink"] = "http://www.w3.org/1999/xlink"
         root.attrib["id"] = "root"
         root.attrib["version"] = "1.1"
 
+        sheet_dir = os.path.dirname(layout_path)
         ootb_titleblock_path = os.path.join(self.data_dir, "templates", "titleblocks", titleblock_name + ".svg")
         titleblock_path = tool.Ifc.resolve_uri(tool.Drawing.get_default_titleblock_path(titleblock_name))
 
-        view_root = ET.parse(ootb_titleblock_path).getroot()
+        os.makedirs(sheet_dir, exist_ok=True)
+        os.makedirs(os.path.dirname(titleblock_path), exist_ok=True)
+        if not os.path.exists(titleblock_path):
+            shutil.copy(ootb_titleblock_path, titleblock_path)
+
+        view_root = ET.parse(titleblock_path).getroot()
         view_width = self.convert_to_mm(view_root.attrib.get("width"))
         view_height = self.convert_to_mm(view_root.attrib.get("height"))
         view = ET.SubElement(root, "g")
@@ -62,11 +66,6 @@ class SheetBuilder:
         root.attrib["height"] = "{}mm".format(view_height)
         root.attrib["viewBox"] = "0 0 {} {}".format(view_width, view_height)
 
-        os.makedirs(sheet_dir, exist_ok=True)
-        os.makedirs(os.path.dirname(titleblock_path), exist_ok=True)
-        if not os.path.exists(titleblock_path):
-            shutil.copy(ootb_titleblock_path, titleblock_path)
-
         with open(layout_path, "w") as f:
             f.write(minidom.parseString(ET.tostring(root)).toprettyxml(indent="    "))