kanban-tui 0.4.1

Terminal user interface for the kanban project management tool
Documentation 
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/// Render an "N items above" indicator line, or `None` if not shown.
pub fn render_above_indicator<'a>(
    show: bool,
    count: usize,
    label: &str,
) -> Option<ratatui::text::Line<'a>> {
    use ratatui::style::{Color, Style};
    use ratatui::text::{Line, Span};

    if show {
        let plural = if count == 1 { "" } else { "s" };
        Some(Line::from(Span::styled(
            format!("  {} {}{} above", count, label, plural),
            Style::default().fg(Color::DarkGray),
        )))
    } else {
        None
    }
}

/// Render an "N items below" indicator line, or `None` if not shown.
pub fn render_below_indicator<'a>(
    show: bool,
    count: usize,
    label: &str,
) -> Option<ratatui::text::Line<'a>> {
    use ratatui::style::{Color, Style};
    use ratatui::text::{Line, Span};

    if show {
        let plural = if count == 1 { "" } else { "s" };
        Some(Line::from(Span::styled(
            format!("  {} {}{} below", count, label, plural),
            Style::default().fg(Color::DarkGray),
        )))
    } else {
        None
    }
}

/// Render scroll indicators for any scrollable list.
///
/// Produces 0, 1, or 2 lines indicating how many items lie above or below
/// the current viewport. `label` is the singular noun used in the message
/// (e.g. `"Task"`, `"item"`, `"entry"`).
pub fn render_scroll_indicators<'a>(
    show_above: bool,
    items_above: usize,
    show_below: bool,
    items_below: usize,
    label: &str,
) -> Vec<ratatui::text::Line<'a>> {
    let mut lines = Vec::new();
    lines.extend(render_above_indicator(show_above, items_above, label));
    lines.extend(render_below_indicator(show_below, items_below, label));
    lines
}