New feature to select similar type

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -109,6 +109,7 @@ if bpy is not None:
         operator.ImportIfcCsv,
         operator.EyedropIfcCsv,
         operator.ReloadIfcFile,
+        operator.SelectSimilarType,
         prop.StrProperty,
         prop.Classification,
         prop.ClassificationReference,

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -2212,3 +2212,20 @@ class ReloadIfcFile(bpy.types.Operator):
             context, bpy.context.scene.BIMProperties.ifc_file, logger)
         ifc_importer = import_ifc.IfcImporter(ifc_import_settings)
         ifc_importer.execute()
+
+
+class SelectSimilarType(bpy.types.Operator):
+    bl_idname = 'bim.select_similar_type'
+    bl_label = 'Select Similar Type'
+
+    def execute(self, context):
+        if context.active_object.BIMObjectProperties.relating_type:
+            relating_type = context.active_object.BIMObjectProperties.relating_type
+        elif 'Type/' in context.active_object.name:
+            relating_type = context.active_object
+        else:
+            return {'FINISHED'}
+        for obj in bpy.context.visible_objects:
+            if obj.BIMObjectProperties.relating_type == relating_type:
+                obj.select_set(True)
+        return {'FINISHED'}

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -41,8 +41,9 @@ class BIM_PT_object(Panel):
         row = layout.row()
         row.prop(props, 'attributes')
 
-        row = layout.row()
+        row = layout.row(align=True)
         row.prop(props, 'relating_type')
+        row.operator('bim.select_similar_type', icon='RESTRICT_SELECT_OFF', text='')
         row = layout.row()
         row.prop(props, 'relating_structure')