Automatically introducing \n (newlines) after some designated character count.

as discussed: https://community.osarch.org/discussion/2485/automatically-introducing-n-newlines-after-some-designated-character-count

src/bonsai/bonsai/bim/data/pset/Psets_BBIM_Annotation.ifc

@@ -1,11 +1,11 @@
 ISO-10303-21;
 HEADER;
-FILE_DESCRIPTION((),'2;1');
-FILE_NAME('Psets_BBIM_Annotation.ifc','2020-01-01T00:00:00',(),(),'Psets_BBIM_Annotation','Psets_BBIM_Annotation',$);
+FILE_DESCRIPTION($,'2;1');
+FILE_NAME('Psets_BBIM_Annotation.ifc','2020-01-01T00:00:00',$,$,'Psets_BBIM_Annotation','Psets_BBIM_Annotation',$);
 FILE_SCHEMA(('IFC4'));
 ENDSEC;
 DATA;
-#1=IFCPROPERTYSETTEMPLATE('3VuPUwdCD2Qx3XDDRs0R1N',$,'EPset_Annotation','',.PSET_TYPEDRIVENOVERRIDE.,'IfcAnnotation,IfcTypeProduct',(#2,#3,#4));
+#1=IFCPROPERTYSETTEMPLATE('3VuPUwdCD2Qx3XDDRs0R1N',$,'EPset_Annotation','',.PSET_TYPEDRIVENOVERRIDE.,'IfcAnnotation,IfcTypeProduct',(#2,#3,#4,#29));
 #2=IFCSIMPLEPROPERTYTEMPLATE('2P7JN79n96Q9pElZ83LKe4',$,'ZIndex','',.P_SINGLEVALUE.,'IfcInteger',$,$,$,$,$,.READWRITE.);
 #3=IFCSIMPLEPROPERTYTEMPLATE('1Wpx_r2xj1_9w5JpI0QRJy',$,'Symbol','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #4=IFCSIMPLEPROPERTYTEMPLATE('3q0oxMUKP47vZ4jnyG$dDb',$,'Classes','Classes separarated by spaces that end up in classes for this element in svg. Can be used to specify the text font size: small - 1.8mm; regular - 2.5mm; large - 3.5mm; header - 5mm; title - 7mm. By default regular size is used.',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
@@ -33,6 +33,6 @@ DATA;
 #26=IFCSIMPLEPROPERTYTEMPLATE('0SVyOfB0rC2xNfdRYf3XvY',$,'SuppressZeroInches','Suppress 0 inch values in dimension annotation text (for example: 12'' - 0" -> 12'')',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
 #27=IFCSIMPLEPROPERTYTEMPLATE('2bUmj458PBqPAtUoI3MXsb',$,'TextPrefix','Text to add before annotation measurement value',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #28=IFCSIMPLEPROPERTYTEMPLATE('0bnzttUb9BPuN597uNTXOE',$,'TextSuffix','Text to add after annotation measurement value',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
-
+#29=IFCSIMPLEPROPERTYTEMPLATE('2pJmUDpB50VBdCOib1zcJJ',$,'Newline_At','',.P_SINGLEVALUE.,'IfcInteger',$,$,$,$,$,.READWRITE.);
 ENDSEC;
 END-ISO-10303-21;

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

@@ -605,8 +605,16 @@ class BaseDecorator:
         font_size_mm = text_data["FontSize"] * text_scale
         for literal_data in literals_data:
             box_alignment = literal_data["BoxAlignment"]
+            text = literal_data["CurrentValue"]
 
-            for line in literal_data["CurrentValue"].split("\n"):
+            newline_at = props.newline_at
+
+            if newline_at != 0:
+                text = helper.add_newline_between_words (text, newline_at)
+
+            multiple_lines = text.split("\n")
+
+            for line in multiple_lines:
                 self.draw_label(
                     context,
                     line,
@@ -622,6 +630,8 @@ class BaseDecorator:
                 line_i += 1 if not reverse_lines_order else -1
 
 
+
+
 class DimensionDecorator(BaseDecorator):
     """Decorator for dimension objects
     - each edge of a segment with arrow

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

@@ -414,3 +414,30 @@ def elevate_segment(bounds, segm):
         return None
     x = p1.x
     return [Vector((x, ymin, zmin)), Vector((x, ymax, zmin))]
+
+
+def add_newline_between_words(text, newline_at):
+    result = []
+    start = 0
+
+    while start < len(text):
+        # Find the end index considering the limit newline_at
+        end = start + newline_at
+        if end >= len(text):  # If we're at the end of the string
+            result.append(text[start:])
+            break
+        
+        # Look for the nearest space around the newline_at limit
+        space_index = text.rfind(' ', start, end)  # Try to break before newline_at
+        if space_index == -1:  # No space found, force a break at newline_at
+            space_index = text.find(' ', end)  # Try to break after newline_at
+        
+        if space_index == -1:  # If there's still no space, take the rest of the text
+            result.append(text[start:])
+            break
+
+        # Add the chunk and update the start position
+        result.append(text[start:space_index])
+        start = space_index + 1  # Skip the space itself
+
+    return '\n'.join(result)

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

@@ -522,6 +522,7 @@ class BIMTextProperties(PropertyGroup):
         default="2.5",
         name="Font Size",
     )
+    newline_at: IntProperty(name="Newline At")
 
     def get_text_edited_data(self):
         """should be called only if `is_editing`

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

@@ -841,6 +841,7 @@ class SvgWriter:
                 self.draw_symbol(symbol, symbol_transform)
 
         line_number = 0
+        newline_at = text_obj.BIMTextProperties.newline_at
         for text_literal in text_literals:
             text = tool.Drawing.replace_text_literal_variables(text_literal.Literal, product or element)
             text_tags = self.create_text_tag(
@@ -851,6 +852,7 @@ class SvgWriter:
                 classes_str,
                 fill_bg=fill_bg,
                 line_number_start=line_number,
+                newline_at = newline_at,
             )
             for tag in text_tags:
                 self.svg.add(tag)
@@ -1373,6 +1375,7 @@ class SvgWriter:
         multiline_to_bottom=True,
         fill_bg=False,
         line_number_start=0,
+        newline_at=0,
     ):
         """returns list of created text tags"""
         text_tags = []
@@ -1402,6 +1405,8 @@ class SvgWriter:
 
         text_tag = self.svg.text("", **text_kwargs, **base_text_attrs)
         text_tags.append(text_tag)
+        if newline_at != 0:
+            text = helper.add_newline_between_words (text, newline_at)
         text_lines = text.replace("\\n", "\n").split("\n")
         text_lines = text_lines if multiline_to_bottom else text_lines[::-1]
 

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

@@ -533,6 +533,8 @@ class BIM_PT_text(Panel):
 
             row = self.layout.row(align=True)
             row.prop(props, "font_size")
+            row = self.layout.row(align=True)
+            row.prop(props, "newline_at")
 
             for i, literal_props in enumerate(props.literals):
                 box = self.layout.box()
@@ -574,6 +576,9 @@ class BIM_PT_text(Panel):
             row = self.layout.row(align=True)
             row.label(text="FontSize")
             row.label(text=str(text_data["FontSize"]))
+            row = self.layout.row(align=True)
+            row.label(text="Newline_At")
+            row.label(text=str(props.newline_at))
 
             for literal_data in text_data["Literals"]:
                 box = self.layout.box()

src/bonsai/bonsai/core/drawing.py

@@ -39,6 +39,7 @@ def disable_editing_text(drawing: tool.Drawing, obj: bpy.types.Object) -> None:
 def edit_text(drawing: tool.Drawing, obj: bpy.types.Object) -> None:
     drawing.synchronise_ifc_and_text_attributes(obj)
     drawing.update_text_size_pset(obj)
+    drawing.update_newline_at(obj)
     drawing.update_text_value(obj)
     drawing.disable_editing_text(obj)
 

src/bonsai/bonsai/tool/drawing.py

@@ -1021,6 +1021,21 @@ class Drawing(bonsai.core.tool.Drawing):
                 properties={"Classes": classes},
             )
 
+    @classmethod
+    def update_newline_at(cls, obj: bpy.types.Object) -> None:
+        props = obj.BIMTextProperties
+        element = tool.Ifc.get_entity(obj)
+        newline_at = int(props.newline_at)
+        ifc_file = tool.Ifc.get()
+        pset = tool.Pset.get_element_pset(element, "EPset_Annotation")
+        if not pset:
+            pset = ifcopenshell.api.run("pset.add_pset", ifc_file, product=element, name="EPset_Annotation")
+        ifcopenshell.api.run(
+            "pset.edit_pset",
+            ifc_file,
+            pset=pset,
+            properties={"Newline_At": newline_at},
+        )
     # TODO below this point is highly experimental prototype code with no tests
 
     @classmethod