Source code for streamlit_app.sections.help_section

"""Help and information section for the Streamlit app."""

import streamlit as st

from i18n import t




def show_help_section() -> None:
    """Display help information in an expandable section."""
    with st.expander(f"ℹ️ {t('menu.information')}", expanded=False):
        st.subheader(t("help.objective_title"))
        st.markdown(t("help.objective_description"))

        st.subheader(t("help.advantages_title"))
        for i in range(1, 10):
            st.markdown(t(f"help.advantage_{i}"))

        st.subheader(t("help.fitting_modes"))
        st.markdown(t("help.normal_fitting"))
        st.markdown(t("help.multiple_datasets"))
        st.markdown(t("help.checker_fitting"))
        st.markdown(t("help.total_fitting"))

        st.subheader(t("help.custom_functions_title").strip())
        st.markdown(t("help.custom_functions_how"))

        st.subheader(t("help.data_format_title"))
        st.markdown(t("help.data_format_named"))
        st.markdown(t("help.data_format_u_prefix"))
        st.markdown(t("help.data_format_non_negative"))
        st.markdown(t("help.data_formats"))

        st.subheader(t("help.stats_title").strip())
        st.markdown(t("help.r_squared_desc"))
        st.markdown(t("help.r_squared_formula"))
        st.markdown(t("help.rmse_desc"))
        st.markdown(t("help.rmse_formula"))
        st.markdown(t("help.chi_squared_desc"))
        st.markdown(t("help.chi_squared_formula"))
        st.markdown(t("help.reduced_chi_squared_desc"))
        st.markdown(t("help.reduced_chi_squared_formula"))
        st.markdown(t("help.dof_desc"))
        st.markdown(t("help.dof_formula"))
        st.markdown(t("help.param_ci_95_desc"))
        st.markdown(t("help.param_ci_95_formula"))

        from config import DONATIONS_URL

        if DONATIONS_URL:
            st.link_button(t("dialog.donations"), DONATIONS_URL)