New feature to write new property set templates

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -100,10 +100,11 @@ if bpy is not None:
         operator.BIM_OT_CopyAttributesToSelection,
         operator.BIM_OT_ChangeClassificationLevel,
         operator.AddPropertySetTemplate,
-        operator.DeletePropertySetTemplate,
+        operator.RemovePropertySetTemplate,
         operator.EditPropertySetTemplate,
         operator.SavePropertySetTemplate,
         operator.AddPropertyTemplate,
+        operator.RemovePropertyTemplate,
         prop.StrProperty,
         prop.Classification,
         prop.ClassificationReference,

src/ifcblenderexport/blenderbim/bim/ifc.py

@@ -1,3 +1,5 @@
 class IfcStore():
     path = ''
     file = None
+    pset_template_path = ''
+    pset_template_file = None

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -1742,14 +1742,26 @@ class AddPropertySetTemplate(bpy.types.Operator):
     bl_label = 'Add Property Set Template'
 
     def execute(self, context):
+        context.scene.BIMProperties.active_property_set_template.global_id = ''
+        context.scene.BIMProperties.active_property_set_template.name = 'New_Pset'
+        context.scene.BIMProperties.active_property_set_template.description = ''
+        context.scene.BIMProperties.active_property_set_template.template_type = 'PSET_TYPEDRIVENONLY'
+        context.scene.BIMProperties.active_property_set_template.applicable_entity = 'IfcTypeObject'
+        while len(bpy.context.scene.BIMProperties.property_templates) > 0:
+            bpy.context.scene.BIMProperties.property_templates.remove(0)
         return {'FINISHED'}
 
 
-class DeletePropertySetTemplate(bpy.types.Operator):
+class RemovePropertySetTemplate(bpy.types.Operator):
-    bl_idname = 'bim.delete_property_set_template'
+    bl_idname = 'bim.remove_property_set_template'
-    bl_label = 'Delete Property Set Template'
+    bl_label = 'Remove Property Set Template'
 
     def execute(self, context):
+        template = ifc.IfcStore.pset_template_file.by_guid(context.scene.BIMProperties.property_set_templates)
+        ifc.IfcStore.pset_template_file.remove(template)
+        ifc.IfcStore.pset_template_file.write(ifc.IfcStore.pset_template_path)
+        from . import prop
+        prop.refreshPropertySetTemplates(self, context)
         return {'FINISHED'}
 
 class EditPropertySetTemplate(bpy.types.Operator):
@@ -1757,9 +1769,7 @@ class EditPropertySetTemplate(bpy.types.Operator):
     bl_label = 'Edit Property Set Template'
 
     def execute(self, context):
-        f = ifcopenshell.open(os.path.join(context.scene.BIMProperties.data_dir,
+        template = ifc.IfcStore.pset_template_file.by_guid(context.scene.BIMProperties.property_set_templates)
-            'pset', context.scene.BIMProperties.pset_template_files + '.ifc'))
-        template = f.by_guid(context.scene.BIMProperties.property_set_templates)
         context.scene.BIMProperties.active_property_set_template.global_id = template.GlobalId
         context.scene.BIMProperties.active_property_set_template.name = template.Name
         context.scene.BIMProperties.active_property_set_template.description = template.Description
@@ -1769,13 +1779,15 @@ class EditPropertySetTemplate(bpy.types.Operator):
         while len(bpy.context.scene.BIMProperties.property_templates) > 0:
             bpy.context.scene.BIMProperties.property_templates.remove(0)
 
-        for property_template in template.HasPropertyTemplates:
+        if template.HasPropertyTemplates:
-            if not property_template.is_a('IfcSimplePropertyTemplate'):
+            for property_template in template.HasPropertyTemplates:
-                continue
+                if not property_template.is_a('IfcSimplePropertyTemplate'):
-            new = context.scene.BIMProperties.property_templates.add()
+                    continue
-            new.name = property_template.Name
+                new = context.scene.BIMProperties.property_templates.add()
-            new.description = property_template.Description
+                new.global_id = property_template.GlobalId
-            new.primary_measure_type = property_template.PrimaryMeasureType
+                new.name = property_template.Name
+                new.description = property_template.Description
+                new.primary_measure_type = property_template.PrimaryMeasureType
         return {'FINISHED'}
 
 class SavePropertySetTemplate(bpy.types.Operator):
@@ -1783,6 +1795,45 @@ class SavePropertySetTemplate(bpy.types.Operator):
     bl_label = 'Save Property Set Template'
 
     def execute(self, context):
+        blender_property_set_template = context.scene.BIMProperties.active_property_set_template
+        if blender_property_set_template.global_id:
+            template = ifc.IfcStore.pset_template_file.by_guid(blender_property_set_template.global_id)
+        else:
+            template = ifc.IfcStore.pset_template_file.createIfcPropertySetTemplate()
+            template.GlobalId = ifcopenshell.guid.new()
+        template.Name = blender_property_set_template.name
+        template.Description = blender_property_set_template.description
+        template.TemplateType = blender_property_set_template.template_type
+        template.ApplicableEntity = blender_property_set_template.applicable_entity
+
+        saved_global_ids = []
+
+        for blender_property_template in context.scene.BIMProperties.property_templates:
+            if blender_property_template.global_id:
+                property_template = ifc.IfcStore.pset_template_file.by_guid(blender_property_template.global_id)
+            else:
+                property_template = ifc.IfcStore.pset_template_file.createIfcSimplePropertyTemplate()
+                property_template.GlobalId = ifcopenshell.guid.new()
+                if template.HasPropertyTemplates:
+                    has_property_templates = list(template.HasPropertyTemplates)
+                else:
+                    has_property_templates = []
+                has_property_templates.append(property_template)
+                template.HasPropertyTemplates = has_property_templates
+            property_template.Name = blender_property_template.name
+            property_template.Description = blender_property_template.description
+            property_template.PrimaryMeasureType = blender_property_template.primary_measure_type
+            property_template.TemplateType = 'P_SINGLEVALUE'
+            property_template.AccessState = 'READWRITE'
+            saved_global_ids.append(property_template.GlobalId)
+
+        for element in template.HasPropertyTemplates:
+            if element.GlobalId not in saved_global_ids:
+                ifc.IfcStore.pset_template_file.remove(element)
+
+        ifc.IfcStore.pset_template_file.write(ifc.IfcStore.pset_template_path)
+        from . import prop
+        prop.refreshPropertySetTemplates(self, context)
         return {'FINISHED'}
 
 
@@ -1791,4 +1842,15 @@ class AddPropertyTemplate(bpy.types.Operator):
     bl_label = 'Add Property Template'
 
     def execute(self, context):
+        context.scene.BIMProperties.property_templates.add()
+        return {'FINISHED'}
+
+
+class RemovePropertyTemplate(bpy.types.Operator):
+    bl_idname = 'bim.remove_property_template'
+    bl_label = 'Remove Property Template'
+    index: bpy.props.IntProperty()
+
+    def execute(self, context):
+        bpy.context.scene.BIMProperties.property_templates.remove(self.index)
         return {'FINISHED'}

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -6,6 +6,7 @@ from pathlib import Path
 from . import export_ifc
 from . import schema
 from . import bcf
+from . import ifc
 import bpy
 from bpy.types import PropertyGroup
 from bpy.app.handlers import persistent
@@ -245,8 +246,10 @@ def refreshPropertySetTemplates(self, context):
 def getPropertySetTemplates(self, context):
     global propertysettemplates_enum
     if len(propertysettemplates_enum) < 1:
-        f = ifcopenshell.open(os.path.join(self.data_dir, 'pset', self.pset_template_files + '.ifc'))
+        ifc.IfcStore.pset_template_path = os.path.join(
-        templates = f.by_type('IfcPropertySetTemplate')
+            context.scene.BIMProperties.data_dir, 'pset', context.scene.BIMProperties.pset_template_files + '.ifc')
+        ifc.IfcStore.pset_template_file = ifcopenshell.open(ifc.IfcStore.pset_template_path)
+        templates = ifc.IfcStore.pset_template_file.by_type('IfcPropertySetTemplate')
         propertysettemplates_enum.extend([(t.GlobalId, t.Name, '') for t in templates])
     return propertysettemplates_enum
 
@@ -601,11 +604,18 @@ class PropertySetTemplate(PropertyGroup):
     template_type: EnumProperty(items=[
         ('PSET_TYPEDRIVENONLY', 'Pset - IfcTypeObject', 'The property sets defined by this IfcPropertySetTemplate can only be assigned to subtypes of IfcTypeObject.'),
         ('PSET_TYPEDRIVENOVERRIDE', 'Pset - IfcTypeObject - Override', 'The property sets defined by this IfcPropertySetTemplate can only be assigned to subtypes of IfcTypeObject.'),
+        ('PSET_OCCURRENCEDRIVEN', 'Pset - IfcObject', 'The property sets defined by this IfcPropertySetTemplate can only be assigned to subtypes of IfcObject.'),
+        ('PSET_PERFORMANCEDRIVEN', 'Pset - IfcPerformanceHistory', 'The property sets defined by this IfcPropertySetTemplate can only be assigned to IfcPerformanceHistory.'),
+        ('QTO_TYPEDRIVENONLY', 'Qto - IfcTypeObject', 'The element quantity defined by this IfcPropertySetTemplate can only be assigned to subtypes of IfcTypeObject.'),
+        ('QTO_TYPEDRIVENOVERRIDE', 'Qto - IfcTypeObject - Override', 'The element quantity defined by this IfcPropertySetTemplate can be assigned to subtypes of IfcTypeObject and can be overridden by an element quantity with same name at subtypes of IfcObject.'),
+        ('QTO_OCCURRENCEDRIVEN', 'Qto - IfcObject', 'The element quantity defined by this IfcPropertySetTemplate can only be assigned to subtypes of IfcObject.'),
+        ('NOTDEFINED', 'Not defined', 'No restriction provided, the property sets defined by this IfcPropertySetTemplate can be assigned to any entity, if not otherwise restricted by the ApplicableEntity attribute.')
         ], name="Template Type")
     applicable_entity: StringProperty(name="Applicable Entity")
 
 
 class PropertyTemplate(PropertyGroup):
+    global_id: StringProperty(name='Global ID')
     name: StringProperty(name='Name')
     description: StringProperty(name='Description')
     primary_measure_type: EnumProperty(items=[

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -180,7 +180,7 @@ class BIM_PT_psets(Panel):
         row = layout.row(align=True)
         row.prop(props, 'property_set_templates', text='')
         row.operator('bim.add_property_set_template', text='', icon='ADD')
-        row.operator('bim.delete_property_set_template', text='', icon='PANEL_CLOSE')
+        row.operator('bim.remove_property_set_template', text='', icon='PANEL_CLOSE')
         row.operator('bim.edit_property_set_template', text='', icon='IMPORT')
         row.operator('bim.save_property_set_template', text='', icon='EXPORT')
 
@@ -203,7 +203,7 @@ class BIM_PT_psets(Panel):
             row.prop(template, 'name', text='')
             row.prop(template, 'description', text='')
             row.prop(template, 'primary_measure_type', text='')
-            row.operator('bim.remove_classification', icon='X', text='').classification_index = index
+            row.operator('bim.remove_property_template', icon='X', text='').index = index
 
 
 class BIM_PT_classifications(Panel):