Function determine_box_mode

crates/plotlars-plotly/src/subplot_grid/shared.rs:658–688

(
    traces_list: &[Vec<Box<dyn Trace + 'static>>],
)

}

pub(super) fn determine_box_mode(
    traces_list: &[Vec<Box<dyn Trace + 'static>>],
) -> Option<plotly::layout::BoxMode> {
    let mut has_grouped_box = false;

    for traces in traces_list {
        if traces.len() > 1 {
            for trace in traces {
                let json_str = trace.to_json();
                if let Ok(json) = serde_json::from_str::<Value>(&json_str) {
                    if let Some(trace_type) = json.get("type").and_then(|v| v.as_str()) {
                        if trace_type == "box" {
                            has_grouped_box = true;
                            break;
                        }
                    }
                }
            }
        }

        if has_grouped_box {
            break;
        }
    }

    if has_grouped_box {
        Some(plotly::layout::BoxMode::Group)
    } else {
        None
    }
}

#[cfg(test)]
mod tests {