291 lines
9.8 KiB
Rust
291 lines
9.8 KiB
Rust
use ratatui::{
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layout::{Constraint, Direction, Layout, Rect},
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style::{Color, Modifier, Style},
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text::{Line, Span},
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widgets::{Block, Borders, Cell, Clear, Paragraph, Row, Table, TableState},
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Frame,
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};
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use crate::app::{
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App, Focus, ModalKind, GLOBAL_CHECKSUM, GLOBAL_COUNT, GLOBAL_HUT_ID, GLOBAL_HUT_TYPE,
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GLOBAL_LOT_STATUS, GLOBAL_PATH, GLOBAL_TARE, ROW_COUNT, ROW_MAT_ID, ROW_QUANTITY, ROW_UOM,
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};
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const GLOBAL_LABELS: &[&str] = &[
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"Hut ID",
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"Checksum",
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"Tare",
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"Lot Status",
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"Path",
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"Hut Type",
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];
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const ROW_LABELS: &[&str] = &["Material ID", "Quantity", "UOM"];
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// ── colour palette ────────────────────────────────────────────────────────────
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const C_FOCUSED: Color = Color::Cyan;
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const C_UNFOCUSED: Color = Color::DarkGray;
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const C_ACCENT: Color = Color::Yellow;
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const C_ROW_SEL: Color = Color::Blue;
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const C_BORDER: Color = Color::Gray;
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const C_HEADER: Color = Color::White;
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fn focused_style(is_focused: bool) -> Style {
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if is_focused {
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Style::default().fg(C_FOCUSED).add_modifier(Modifier::BOLD)
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} else {
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Style::default().fg(C_UNFOCUSED)
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}
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}
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fn focused_block<'a>(title: &'a str, is_focused: bool) -> Block<'a> {
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Block::default()
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.title(title)
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.borders(Borders::ALL)
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.border_style(if is_focused {
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Style::default().fg(C_FOCUSED)
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} else {
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Style::default().fg(C_BORDER)
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})
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}
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// ── main draw ────────────────────────────────────────────────────────────────
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pub fn draw(f: &mut Frame, app: &App) {
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let area = f.area();
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// Overall vertical split: globals | lots | help bar
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let chunks = Layout::default()
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.direction(Direction::Vertical)
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.constraints([
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Constraint::Length(10), // global fields
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Constraint::Min(6), // lot rows
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Constraint::Length(3), // help bar
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])
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.split(area);
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draw_globals(f, app, chunks[0]);
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draw_lots(f, app, chunks[1]);
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draw_help(f, chunks[2]);
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if let Some(modal) = &app.modal {
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draw_modal(f, modal, area);
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}
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}
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// ── globals panel ─────────────────────────────────────────────────────────────
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fn draw_globals(f: &mut Frame, app: &App, area: Rect) {
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let outer = Block::default()
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.title(" Global Settings ")
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.borders(Borders::ALL)
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.border_style(Style::default().fg(C_ACCENT));
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let inner = outer.inner(area);
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f.render_widget(outer, area);
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// Two rows of three fields each
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let rows = Layout::default()
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.direction(Direction::Vertical)
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.constraints([
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Constraint::Length(3),
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Constraint::Length(3),
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Constraint::Length(3),
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])
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.split(inner);
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// Row 0: Hut ID | Checksum | Tare
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let row0 = Layout::default()
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.direction(Direction::Horizontal)
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.constraints([
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Constraint::Ratio(2, 5),
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Constraint::Ratio(1, 5),
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Constraint::Ratio(2, 5),
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])
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.split(rows[0]);
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// Row 1: Lot Status | Path | Hut Type
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let row1 = Layout::default()
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.direction(Direction::Horizontal)
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.constraints([
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Constraint::Ratio(1, 3),
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Constraint::Ratio(1, 3),
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Constraint::Ratio(1, 3),
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])
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.split(rows[1]);
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let field_areas = [
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row0[0], // GLOBAL_HUT_ID
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row0[1], // GLOBAL_CHECKSUM
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row0[2], // GLOBAL_TARE
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row1[0], // GLOBAL_LOT_STATUS
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row1[1], // GLOBAL_PATH
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row1[2], // GLOBAL_HUT_TYPE
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];
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for i in 0..GLOBAL_COUNT {
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let is_focused = app.focus == Focus::GlobalField(i);
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let label = GLOBAL_LABELS[i];
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let value: String = if i == GLOBAL_CHECKSUM {
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let checked = app.global[i] == "true";
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format!("[{}] (Space)", if checked { "x" } else { " " })
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} else if i == GLOBAL_LOT_STATUS {
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format!("{} (←/→)", app.global[i])
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} else {
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app.global[i].clone()
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};
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let display = if is_focused {
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format!("{} █", value)
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} else {
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value
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};
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let p = Paragraph::new(display)
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.block(focused_block(label, is_focused))
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.style(focused_style(is_focused));
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f.render_widget(p, field_areas[i]);
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}
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}
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// ── lots table ────────────────────────────────────────────────────────────────
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fn draw_lots(f: &mut Frame, app: &App, area: Rect) {
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let outer = Block::default()
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.title(" Lot Rows (+) Add (-) Remove ")
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.borders(Borders::ALL)
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.border_style(Style::default().fg(C_ACCENT));
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let inner = outer.inner(area);
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f.render_widget(outer, area);
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if app.lots.is_empty() {
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let hint = Paragraph::new("No lots yet — press + to add one")
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.style(Style::default().fg(C_UNFOCUSED));
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f.render_widget(hint, inner);
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return;
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}
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// Column widths
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let col_constraints = [
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Constraint::Length(4), // #
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Constraint::Min(18), // Material ID
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Constraint::Length(12), // Quantity
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Constraint::Length(8), // UOM
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];
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let header_cells = ["#", "Material ID", "Quantity", "UOM"]
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.iter()
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.map(|h| Cell::from(*h).style(Style::default().fg(C_HEADER).add_modifier(Modifier::BOLD)));
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let header = Row::new(header_cells).height(1).bottom_margin(0);
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let rows: Vec<Row> = app
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.lots
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.iter()
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.enumerate()
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.map(|(row_idx, entry)| {
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let cells: Vec<Cell> = (0..ROW_COUNT + 1)
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.map(|col| {
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if col == 0 {
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// row number
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Cell::from(format!("{:>2}", row_idx + 1))
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.style(Style::default().fg(C_UNFOCUSED))
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} else {
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let field_idx = col - 1;
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let is_focused = app.focus == Focus::LotField(row_idx, field_idx);
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let text = if is_focused {
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format!("{} █", entry.fields[field_idx])
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} else {
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entry.fields[field_idx].clone()
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};
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Cell::from(text).style(focused_style(is_focused))
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}
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})
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.collect();
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let row_selected =
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matches!(&app.focus, Focus::LotRow(r) | Focus::LotField(r, _) if *r == row_idx);
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let row_style = if row_selected {
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Style::default().bg(Color::Rgb(20, 30, 50))
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} else {
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Style::default()
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};
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Row::new(cells).style(row_style).height(1)
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})
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.collect();
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let table = Table::new(rows, col_constraints)
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.header(header)
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.block(Block::default())
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.row_highlight_style(Style::default().bg(C_ROW_SEL));
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let mut state = TableState::default();
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f.render_stateful_widget(table, inner, &mut state);
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}
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// ── help bar ──────────────────────────────────────────────────────────────────
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fn draw_help(f: &mut Frame, area: Rect) {
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let spans = vec![
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Span::styled(" Tab ", Style::default().fg(Color::Black).bg(C_ACCENT)),
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Span::raw(" Next field "),
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Span::styled(" + ", Style::default().fg(Color::Black).bg(Color::Green)),
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Span::raw(" Add lot "),
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Span::styled(" - ", Style::default().fg(Color::Black).bg(Color::Red)),
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Span::raw(" Remove lot "),
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Span::styled(" c ", Style::default().fg(Color::Black).bg(Color::Cyan)),
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Span::raw(" Output CSV "),
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Span::styled(" q ", Style::default().fg(Color::Black).bg(Color::Magenta)),
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Span::raw(" Quit "),
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];
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let help = Paragraph::new(Line::from(spans)).block(
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Block::default()
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.borders(Borders::ALL)
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.border_style(Style::default().fg(C_BORDER)),
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);
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f.render_widget(help, area);
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}
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// ── modal overlay ─────────────────────────────────────────────────────────────
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fn draw_modal(f: &mut Frame, kind: &ModalKind, area: Rect) {
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let (title, body) = match kind {
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ModalKind::ConfirmClose => (
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" Output CSV and Close ",
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"Output generated CSV to stdout and exit?\n\n [y] Yes [n] Cancel",
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),
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ModalKind::ConfirmQuit => (
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" Quit Without Output ",
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"Quit without outputting anything?\n\n [y] Yes [n] Cancel",
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),
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};
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let popup_width = 50u16;
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let popup_height = 7u16;
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let x = area.x + area.width.saturating_sub(popup_width) / 2;
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let y = area.y + area.height.saturating_sub(popup_height) / 2;
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let popup_area = Rect::new(
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x,
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y,
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popup_width.min(area.width),
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popup_height.min(area.height),
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);
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f.render_widget(Clear, popup_area);
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let color = match kind {
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ModalKind::ConfirmClose => Color::Cyan,
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ModalKind::ConfirmQuit => Color::Magenta,
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};
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let p = Paragraph::new(body)
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.block(
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Block::default()
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.title(title)
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.borders(Borders::ALL)
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.border_style(Style::default().fg(color).add_modifier(Modifier::BOLD)),
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)
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.style(Style::default().fg(C_HEADER));
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f.render_widget(p, popup_area);
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}
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