restructure example

src/view.rs

@@ -0,0 +1,62 @@
+use tui::backend::Backend;
+use tui::layout::{Constraint, Layout};
+use tui::style::{Color, Modifier, Style};
+use tui::widgets::{Block, Borders, Cell, Row, Table};
+use tui::Frame;
+
+use crate::model::{AppState, AppStateTable};
+use crate::App;
+
+pub fn ui<B: Backend>(f: &mut Frame<B>, app: &mut App) {
+    match &mut app.state {
+        AppState::Table(state) => {
+            table_ui(f, state);
+        }
+        AppState::FullView { name } => f.render_widget(
+            Block::default().borders(Borders::ALL).title(name.as_ref()),
+            f.size(),
+        ),
+    }
+}
+
+pub fn table_ui<B: Backend>(f: &mut Frame<B>, state: &mut AppStateTable) {
+    let rects = Layout::default()
+        .constraints(vec![Constraint::Percentage(100)])
+        .margin(5)
+        .split(f.size());
+
+    let selected_style = Style::default().add_modifier(Modifier::REVERSED);
+    let normal_style = Style::default().bg(Color::Blue);
+    let header_cells = ["Header1", "Header2", "Header3"]
+        .iter()
+        .map(|h| Cell::from(*h).style(Style::default().fg(Color::Red)));
+
+    let header = Row::new(header_cells)
+        .style(normal_style)
+        .height(1)
+        .bottom_margin(1);
+
+    let rows = state.items.iter().map(|item| {
+        let height = item
+            .iter()
+            .map(|content| content.chars().filter(|c| *c == '\n').count())
+            .max()
+            .unwrap_or(0)
+            + 1;
+        let cells = item.iter().map(|c| Cell::from(c.as_ref()));
+        Row::new(cells).height(height as u16).bottom_margin(1)
+    });
+
+    let t = Table::new(rows)
+        .header(header)
+        .block(Block::default().borders(Borders::ALL).title("Table"))
+        .highlight_style(selected_style)
+        .highlight_symbol(">> ")
+        .widths(&[
+            Constraint::Percentage(50),
+            Constraint::Length(30),
+            Constraint::Min(10),
+        ]);
+
+    f.render_stateful_widget(t, rects[0], &mut state.table_state);
+}