1 files changed, 91 insertions, 0 deletions
diff --git a/src/ui.rs b/src/ui.rs
new file mode 100644
index 0000000..8505018
--- /dev/null
+++ b/src/ui.rs
@@ -0,0 +1,91 @@
+use crate::{
+    app::{App, Tab},
+    input::InputMode,
+    unit_of_measurement::pressure::*,
+};
+use std::ptr;
+use tui::{
+    layout::Constraint,
+    style::{Color, Modifier, Style},
+    text::Spans,
+    widgets::{self, Block, Borders, Cell, Paragraph, Table, Tabs, Widget},
+};
+
+pub fn constraints(app: &App) -> Vec<Constraint> {
+    match app.tab {
+        Tab::Const | Tab::Config => {
+            vec![Constraint::Length(3), Constraint::Length(3)]
+        }
+        Tab::Input => {
+            vec![
+                Constraint::Length(3),                           // Tabs
+                Constraint::Length(app.rows().len() as u16 + 3), // tables
+                Constraint::Max(100),                            // Spacer
+                Constraint::Length(1),                           // Footer
+            ]
+        }
+    }
+}
+
+pub fn tabs(app: &App) -> impl Widget + '_ {
+    let titles = app
+        .tab_titles()
+        .iter()
+        .map(|t| Spans::from(t.as_str()))
+        .collect();
+    Tabs::new(titles)
+        .block(Block::default().borders(Borders::ALL).title("Tabs"))
+        .select(app.tab as usize)
+        .highlight_style(
+            Style::default()
+                .fg(Color::Yellow)
+                .add_modifier(Modifier::BOLD),
+        )
+}
+
+pub fn input_table(app: &App) -> impl Widget {
+    let rows = app.rows().iter().map(|row| {
+        let cells = row.iter().map(|item| {
+            if ptr::eq(item, app.selected_input_param()) {
+                Cell::from(item.string()).style(match app.input_mode {
+                    InputMode::Normal => Style::default().fg(Color::Yellow),
+                    InputMode::Insert => Style::default()
+                        .fg(Color::Blue)
+                        .add_modifier(Modifier::ITALIC),
+                })
+            } else {
+                Cell::from(item.string())
+            }
+        });
+        widgets::Row::new(cells)
+    });
+
+    Table::new(rows)
+        .header(widgets::Row::new(vec!["rpm", "ve", "map"]))
+        .block(Block::default().borders(Borders::ALL).title("inputs"))
+        .widths(&[
+            Constraint::Length(5), // rpm
+            Constraint::Length(3), // ve
+            Constraint::Length(3), // map
+        ])
+}
+
+pub fn output_table(app: &App) -> impl Widget {
+    let map = match app.rows()[0].map.string().parse::<i32>() {
+        Ok(p) => Pressure::from_unit(PressureUnit::KiloPascal, p),
+        Err(_) => Pressure::default(),
+    };
+    Paragraph::new(map.as_unit(PressureUnit::KiloPascal).to_string())
+        .block(Block::default().title("map").borders(Borders::ALL))
+}
+
+pub fn footer(app: &App) -> impl Widget {
+    match app.input_mode {
+        InputMode::Normal => {
+            Paragraph::new("Normal").style(Style::default().fg(Color::Black).bg(Color::Yellow))
+        }
+        InputMode::Insert => {
+            Paragraph::new("Insert").style(Style::default().fg(Color::Black).bg(Color::Blue))
+        }
+    }
+}