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use ratatui::{
Frame,
layout::{Constraint, Layout},
prelude::Rect,
style::{Color, Modifier, Style, Stylize},
text::{Line, Span},
widgets::{Block, Borders, List, ListItem, ListState},
};
use crate::app::App;
pub fn ui(frame: &mut Frame, app: &mut App) {
let constraints = [Constraint::Length(1), Constraint::Fill(1)];
let layout = Layout::vertical(constraints).spacing(1);
let [top, first] = frame.area().layout(&layout);
let split = Layout::horizontal([Constraint::Percentage(70), Constraint::Percentage(30)])
.spacing(1)
.split(first);
let title = Line::from_iter([
Span::from("Installed Packages").bold(),
Span::from(" (Press 'q' to quit and arrow keys to navigate)"),
]);
frame.render_widget(title.centered(), top);
render_packages(frame, split[0], app);
render_use_flags(frame, split[1], app);
}
fn render_packages(frame: &mut Frame, area: Rect, app: &mut App) {
let items = app.installed_packages().into_iter().map(|x| x.name.clone());
let list = List::new(items)
.style(Color::White)
.highlight_style(Modifier::REVERSED)
.highlight_symbol("> ")
.block(Block::new().borders(Borders::ALL));
frame.render_stateful_widget(list, area, &mut app.list_state);
}
fn render_use_flags(frame: &mut Frame, area: Rect, app: &mut App) {
let selected_package_index = match app.list_state.selected() {
Some(selected) => selected,
None => 0,
};
let selected_package = app.installed_packages()[selected_package_index].clone();
let items = selected_package.use_flags.into_iter().map(|x| {
let color = if x.enabled {
Color::Green
} else if x.default {
Color::Blue
} else {
Color::Red
};
let text_style = if x.default {
Style::default().add_modifier(Modifier::ITALIC).fg(color)
} else {
Style::default().fg(color)
};
ListItem::new(x.name).style(text_style)
});
let list = List::new(items)
.style(Color::White)
.scroll_padding(1)
.direction(ratatui::widgets::ListDirection::TopToBottom)
.block(Block::new().borders(Borders::ALL));
let mut list_state = ListState::default();
list_state.select_first();
frame.render_stateful_widget(list, area, &mut list_state);
}
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