ratatui 0.22.0

A library to build rich terminal user interfaces or dashboards
Documentation 
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use super::Bar;
use crate::text::Line;

/// represent a group of bars to be shown by the Barchart
///
/// # Examples
/// ```
/// # use ratatui::{prelude::*, widgets::*};
/// BarGroup::default()
///     .label("Group 1".into())
///     .bars(&[Bar::default().value(200), Bar::default().value(150)]);
/// ```
#[derive(Debug, Clone, Default)]
pub struct BarGroup<'a> {
    /// label of the group. It will be printed centered under this group of bars
    pub(super) label: Option<Line<'a>>,
    /// list of bars to be shown
    pub(super) bars: Vec<Bar<'a>>,
}

impl<'a> BarGroup<'a> {
    /// Set the group label
    pub fn label(mut self, label: Line<'a>) -> BarGroup<'a> {
        self.label = Some(label);
        self
    }

    /// Set the bars of the group to be shown
    pub fn bars(mut self, bars: &[Bar<'a>]) -> BarGroup<'a> {
        self.bars = bars.to_vec();
        self
    }

    /// return the maximum bar value of this group
    pub(super) fn max(&self) -> Option<u64> {
        self.bars.iter().max_by_key(|v| v.value).map(|v| v.value)
    }
}

impl<'a> From<&[(&'a str, u64)]> for BarGroup<'a> {
    fn from(value: &[(&'a str, u64)]) -> BarGroup<'a> {
        BarGroup {
            label: None,
            bars: value
                .iter()
                .map(|&(text, v)| Bar::default().value(v).label(text.into()))
                .collect(),
        }
    }
}

impl<'a, const N: usize> From<&[(&'a str, u64); N]> for BarGroup<'a> {
    fn from(value: &[(&'a str, u64); N]) -> BarGroup<'a> {
        Self::from(value.as_ref())
    }
}

impl<'a> From<&Vec<(&'a str, u64)>> for BarGroup<'a> {
    fn from(value: &Vec<(&'a str, u64)>) -> BarGroup<'a> {
        let array: &[(&str, u64)] = value;
        Self::from(array)
    }
}