Commit 554f4de1 authored by Duggan, John's avatar Duggan, John
Browse files

Add utility method for retrieving Trame state names

parent afd5799b

src/nova/trame/_internal/utils.py

+8 −1
Original line number Diff line number Diff line
@@ -7,6 +7,13 @@ from trame_server.core import State 
from nova.mvvm._internal.utils import rgetdictvalue, rsetdictvalue





# Trame state handlers don't work on nested properties. When writing Trame state handlers (e.g. flushState, dirty, or

# change), we instead use the name of the top-level property. For example, "config.parameter_group_a.option_x" becomes

# "config".

def get_state_name(name: str) -> str:

    return name.split(".")[0]





# Reads a state parameter from Trame. For internal use only, if you're using this in your application you're violating

# the MVVM framework. :)

def get_state_param(state: State, value: Union[Any, Tuple]) -> Any:
@@ -25,6 +32,6 @@ def set_state_param(state: State, value: Union[Any, Tuple], new_value: Any = Non 
                rsetdictvalue(state, value[0], new_value)

            elif len(value) > 1:

                rsetdictvalue(state, value[0], value[1])

            state.dirty(value[0].split(".")[0])

            state.dirty(get_state_name(value[0]))



    return get_state_param(state, value)