progress
This commit is contained in:
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c0c62ee964
commit
a11c853267
2 changed files with 45 additions and 284 deletions
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@ -1,277 +0,0 @@
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use std::{
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env::{self},
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fs, io,
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path::PathBuf,
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};
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use crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind};
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use ratatui::{
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DefaultTerminal, Frame,
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buffer::Buffer,
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layout::{Constraint, Direction, Layout, Rect},
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style::{Color, Stylize},
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widgets::{Block, Borders, List, ListState, Padding, StatefulWidget},
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};
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type E = std::io::Error;
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struct App<'a> {
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window: Window<'a>,
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preview: Preview<'a>,
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exit: bool,
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}
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impl App<'_> {
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fn run(&mut self, terminal: &mut DefaultTerminal) -> io::Result<()> {
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while !self.exit {
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terminal.draw(|frame| self.draw(frame))?;
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self.handle_events()?;
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}
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Ok(())
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}
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fn draw(&mut self, frame: &mut Frame) {
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let main_area = Layout::default()
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.direction(Direction::Horizontal)
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.constraints(vec![Constraint::Percentage(50), Constraint::Percentage(50)])
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.split(frame.area());
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self.window.render(main_area[0], frame.buffer_mut());
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self.preview.render(main_area[1], frame.buffer_mut());
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}
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fn handle_events(&mut self) -> io::Result<()> {
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match event::read()? {
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Event::Key(key_event) if key_event.kind == KeyEventKind::Press => {
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self.handle_key_events(key_event)
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}
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_ => {}
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};
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Ok(())
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}
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fn handle_key_events(&mut self, key_event: KeyEvent) {
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match key_event.code {
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KeyCode::Char('q') | KeyCode::Esc => self.exit(),
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KeyCode::Down => {
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self.window.state.select_next();
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self.preview.the_final_stretch();
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}
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KeyCode::Up => {
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self.window.state.select_previous();
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self.preview.the_final_stretch();
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}
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KeyCode::Left => {
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if &self.window.absolute_path != "/" {
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self.preview.absolute_path = self.window.absolute_path.clone();
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}
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self.window.absolute_path.pop();
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self.window.update();
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self.preview.state = self.window.state;
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self.preview.muhehe();
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}
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KeyCode::Right => {
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if let Some(val) = self.window.state.selected() {
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let current_dir = self
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.window
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.prepare_updated_list()
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.expect("You should always be in a valid directory");
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self.window.absolute_path.push(current_dir[val].clone());
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let output = self.window.update();
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if !output {
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self.window.absolute_path.pop();
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}
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}
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}
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_ => {}
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}
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}
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fn exit(&mut self) {
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self.exit = true;
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}
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}
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struct Window<'a> {
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widget: WindowWidget<'a>,
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absolute_path: PathBuf,
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state: ListState,
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}
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impl Window<'_> {
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fn new(absolute_path: PathBuf) -> Result<Self, E> {
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Ok(Window {
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widget: WindowWidget::new(Self::prepare_list(&absolute_path)?),
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absolute_path,
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state: ListState::default().with_selected(Some(0)),
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})
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}
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fn render(&mut self, area: Rect, buf: &mut Buffer) {
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self.widget.render(area, buf, &mut self.state);
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}
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fn prepare_list(absolute_path: &PathBuf) -> Result<Vec<String>, E> {
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let entries = fs::read_dir(absolute_path)?;
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let mut prepared_list = Vec::<String>::new();
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for item in entries {
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match item {
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Ok(entry) => {
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let path_string = entry.path().display().to_string();
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prepared_list.push(path_string);
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}
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Err(err) => return Err(err),
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}
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}
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Ok(prepared_list)
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}
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fn prepare_updated_list(&self) -> Result<Vec<String>, E> {
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Self::prepare_list(&self.absolute_path)
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}
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fn update(&mut self) -> bool {
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let values = self.prepare_updated_list();
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if let Ok(val) = values {
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self.widget.update(val);
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self.state.select_first();
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return true;
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}
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false
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}
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}
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struct WindowWidget<'a> {
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list: List<'a>,
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}
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impl WindowWidget<'_> {
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fn update(&mut self, prepared_list: Vec<String>) {
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let block = Block::new()
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.borders(Borders::ALL)
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.padding(Padding::symmetric(1, 1))
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.fg(Color::Blue);
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self.list = List::new(prepared_list)
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.block(block)
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.highlight_style(Color::Cyan);
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}
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fn new(prepared_list: Vec<String>) -> Self {
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let mut window_widget = WindowWidget {
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list: List::new(Vec::<String>::new()),
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};
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window_widget.update(prepared_list);
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window_widget
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}
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}
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impl StatefulWidget for &mut WindowWidget<'_> {
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type State = ListState;
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fn render(self, area: Rect, buf: &mut Buffer, state: &mut ListState) {
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StatefulWidget::render(&self.list, area, buf, state);
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}
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}
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struct Preview<'a> {
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widget: PreviewWidget<'a>,
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absolute_path: PathBuf,
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state: ListState,
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}
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impl Preview<'_> {
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fn the_final_stretch(&mut self) {
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self.absolute_path.push(
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Self::prepare_list(&self.absolute_path).unwrap()[self.state.selected().unwrap()]
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.clone(),
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);
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self.widget
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.update(Self::prepare_list(&self.absolute_path).unwrap());
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}
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fn muhehe(&mut self) {
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self.widget
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.update(Self::prepare_list(&self.absolute_path).unwrap());
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}
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fn prepare_list(absolute_path: &PathBuf) -> Result<Vec<String>, E> {
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let entries = fs::read_dir(absolute_path)?;
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let mut prepared_list = Vec::<String>::new();
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for item in entries {
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match item {
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Ok(entry) => {
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let path_string = entry.path().display().to_string();
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prepared_list.push(path_string);
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}
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Err(err) => return Err(err),
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}
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}
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Ok(prepared_list)
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}
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fn render(&mut self, area: Rect, buf: &mut Buffer) {
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self.widget.render(area, buf, &mut ListState::default());
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}
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}
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struct PreviewWidget<'a> {
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list: List<'a>,
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}
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impl PreviewWidget<'_> {
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fn update(&mut self, prepared_list: Vec<String>) {
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let block = Block::new()
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.borders(Borders::ALL)
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.padding(Padding::symmetric(1, 1))
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.fg(Color::Blue);
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self.list = List::new(prepared_list)
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.block(block)
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.highlight_style(Color::Cyan);
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}
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fn new(prepared_list: Vec<String>) -> Self {
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let mut preview_widget = PreviewWidget {
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list: List::new(Vec::<String>::new()),
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};
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preview_widget.update(prepared_list);
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preview_widget
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}
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}
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impl StatefulWidget for &mut PreviewWidget<'_> {
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type State = ListState;
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fn render(self, area: Rect, buf: &mut Buffer, state: &mut ListState) {
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StatefulWidget::render(&self.list, area, buf, state);
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}
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}
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fn main() -> io::Result<()> {
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let mut terminal = ratatui::init();
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let dir = Window::new(env::current_dir()?)?;
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let view = env::current_dir()?;
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let app_result = App {
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window: dir,
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preview: Preview {
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widget: PreviewWidget::new(Preview::prepare_list(&view).unwrap()),
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absolute_path: view,
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state: ListState::default(),
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},
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exit: false,
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}
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.run(&mut terminal);
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ratatui::restore();
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app_result
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}
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52
src/main.rs
52
src/main.rs
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@ -1,4 +1,8 @@
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use std::{env, fs, io, path::PathBuf};
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use std::{
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env, fs,
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io::{self, ErrorKind},
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path::PathBuf,
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};
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use crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind};
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use ratatui::{
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@ -183,12 +187,26 @@ impl Preview<'_> {
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}
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fn see(&mut self, window: &Window) {
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let a = Window::prepare_list(&window.absolute_path).unwrap();
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self.widget.update(
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Window::prepare_list(&PathBuf::from(a[window.state.selected().unwrap()].clone()))
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.unwrap(),
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);
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match Window::prepare_list(&window.absolute_path) {
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Ok(prepared_list) => {
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if let Some(state) = window.state.selected()
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&& state < prepared_list.len()
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{
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match Window::prepare_list(&PathBuf::from(&prepared_list[state])) {
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Ok(everything_went_well) => {
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self.widget.update(everything_went_well);
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}
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Err(err) => match err.kind() {
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ErrorKind::NotADirectory => self.widget.not_a_dir(),
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ErrorKind::PermissionDenied => self.widget.permission_denied(),
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ErrorKind::NotFound => {}
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_ => panic!("It's a different kind of error:\n{err:?}"),
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},
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}
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}
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}
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Err(_err) => {}
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}
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}
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}
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@ -216,6 +234,26 @@ impl PreviewWidget<'_> {
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preview_widget.update(prepared_list);
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preview_widget
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}
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fn not_a_dir(&mut self) {
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let block = Block::new()
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.borders(Borders::ALL)
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.padding(Padding::symmetric(1, 1))
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.fg(Color::Blue);
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self.list = List::default().block(block)
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}
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fn permission_denied(&mut self) {
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let block = Block::new()
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.borders(Borders::ALL)
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.padding(Padding::symmetric(1, 1))
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.fg(Color::Blue);
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self.list = List::new(vec!["permission denied"])
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.block(block)
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.style(Color::Red)
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}
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}
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impl StatefulWidget for &mut PreviewWidget<'_> {
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