bugfix and alt+click functionality

src/blenderbim/blenderbim/bim/module/pset/operator.py

@@ -322,37 +322,49 @@ class EditPset(bpy.types.Operator, Operator):
 
 
 class SelectSimilarPsetValue(bpy.types.Operator):
+    """
+    Selects objects with the same property value.
+    """
     bl_idname = "bim.select_similar_pset_value"
     bl_label = "Select Similar Pset Value"
     bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Selects objects with the same property value.\n\n" + "ALT+CLICK to select from all pset commons"
     pset_name: bpy.props.StringProperty()
     prop_name: bpy.props.StringProperty()
     value: bpy.props.StringProperty()
+    all_pset_common: bpy.props.BoolProperty(name = "All Classes", default=False, options={"SKIP_SAVE"})
+
+    def invoke(self, context, event):
+        # make sure to use SKIP_SAVE on property, otherwise it might get stuck
+        if event.type == "LEFTMOUSE" and event.alt:
+            self.all_pset_common = True
+        return self.execute(context)
     
     def execute(self, context):
-        
         for element in tool.Ifc.get().by_type("IfcElement"):
-            obj = tool.Ifc.get_object(element)
             try:
+                obj = tool.Ifc.get_object(element)
                 psets = ifcopenshell.util.element.get_psets(element)
             except:
                 continue
-
-            if self.pset_name.endswith("Common"):
+            
+            if self.all_pset_common & self.pset_name.endswith("Common"):
                 for key in psets.keys():
                     if key.endswith("Common"):
-                        pset = psets[key]
+                        try:
+                            pset = psets[key]
+                            if str(pset[self.prop_name]) == self.value:
+                                obj.select_set(True)
+                        except:
+                            continue
             else:
-                pset = psets[self.pset_name]
-                
-            try: 
-                pset[self.prop_name]
-            except:
-                continue
+                try: 
+                    pset = psets[self.pset_name]
+                    if str(pset[self.prop_name]) == self.value:
+                        obj.select_set(True)
+                except:
+                    continue
 
-            if str(pset[self.prop_name]) == self.value:
-                obj.select_set(True)
-                
         return {"FINISHED"}
 
 class RemovePset(bpy.types.Operator, Operator):