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Separate UiState
This commit is contained in:
mo8it
parent
3bd26c7a24
commit
0a674a158d
2 changed files with 150 additions and 139 deletions
144
src/list.rs
144
src/list.rs
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@ -4,148 +4,14 @@ use crossterm::{
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terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
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ExecutableCommand,
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};
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use ratatui::{
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backend::CrosstermBackend,
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layout::{Constraint, Rect},
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style::{Style, Stylize},
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text::Span,
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widgets::{Block, Borders, HighlightSpacing, Row, Table, TableState},
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Frame, Terminal,
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};
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use ratatui::{backend::CrosstermBackend, Terminal};
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use std::io;
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mod state;
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use crate::{exercise::Exercise, state_file::StateFile};
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struct UiState<'a> {
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pub table: Table<'a>,
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selected: usize,
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table_state: TableState,
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last_ind: usize,
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}
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impl<'a> UiState<'a> {
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pub fn rows<'s, 'i>(
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state_file: &'s StateFile,
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exercises: &'a [Exercise],
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) -> impl Iterator<Item = Row<'a>> + 'i
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where
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's: 'i,
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'a: 'i,
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{
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exercises
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.iter()
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.zip(state_file.progress())
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.enumerate()
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.map(|(ind, (exercise, done))| {
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let next = if ind == state_file.next_exercise_ind() {
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">>>>".bold().red()
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} else {
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Span::default()
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};
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let exercise_state = if *done {
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"DONE".green()
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} else {
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"PENDING".yellow()
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};
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Row::new([
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next,
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exercise_state,
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Span::raw(&exercise.name),
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Span::raw(exercise.path.to_string_lossy()),
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])
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})
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}
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pub fn new(state_file: &StateFile, exercises: &'a [Exercise]) -> Self {
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let header = Row::new(["Next", "State", "Name", "Path"]);
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let max_name_len = exercises
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.iter()
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.map(|exercise| exercise.name.len())
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.max()
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.unwrap_or(4) as u16;
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let widths = [
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Constraint::Length(4),
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Constraint::Length(7),
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Constraint::Length(max_name_len),
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Constraint::Fill(1),
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];
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let rows = Self::rows(state_file, exercises);
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let table = Table::new(rows, widths)
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.header(header)
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.column_spacing(2)
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.highlight_spacing(HighlightSpacing::Always)
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.highlight_style(Style::new().bg(ratatui::style::Color::Rgb(50, 50, 50)))
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.highlight_symbol("🦀")
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.block(Block::default().borders(Borders::BOTTOM));
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let selected = 0;
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let table_state = TableState::default().with_selected(Some(selected));
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let last_ind = exercises.len() - 1;
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Self {
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table,
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selected,
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table_state,
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last_ind,
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}
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}
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fn select(&mut self, ind: usize) {
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self.selected = ind;
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self.table_state.select(Some(ind));
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}
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pub fn select_next(&mut self) {
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self.select(self.selected.saturating_add(1).min(self.last_ind));
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}
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pub fn select_previous(&mut self) {
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self.select(self.selected.saturating_sub(1));
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}
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#[inline]
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pub fn select_first(&mut self) {
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self.select(0);
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}
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#[inline]
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pub fn select_last(&mut self) {
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self.select(self.last_ind);
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}
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pub fn draw(&mut self, frame: &mut Frame) {
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let area = frame.size();
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frame.render_stateful_widget(
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&self.table,
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Rect {
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x: 0,
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y: 0,
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width: area.width,
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height: area.height - 1,
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},
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&mut self.table_state,
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);
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let help_footer =
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"↓/j ↑/k home/g end/G │ Filter <d>one/<p>ending │ <r>eset │ <c>ontinue at │ <q>uit";
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frame.render_widget(
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Span::raw(help_footer),
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Rect {
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x: 0,
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y: area.height - 1,
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width: area.width,
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height: 1,
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},
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);
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}
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}
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use self::state::UiState;
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pub fn list(state_file: &mut StateFile, exercises: &[Exercise]) -> Result<()> {
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let mut stdout = io::stdout().lock();
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@ -183,7 +49,7 @@ pub fn list(state_file: &mut StateFile, exercises: &[Exercise]) -> Result<()> {
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KeyCode::Home | KeyCode::Char('g') => ui_state.select_first(),
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KeyCode::End | KeyCode::Char('G') => ui_state.select_last(),
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KeyCode::Char('c') => {
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state_file.set_next_exercise_ind(ui_state.selected)?;
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state_file.set_next_exercise_ind(ui_state.selected())?;
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ui_state.table = ui_state.table.rows(UiState::rows(state_file, exercises));
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}
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_ => (),
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145
src/list/state.rs
Normal file
145
src/list/state.rs
Normal file
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@ -0,0 +1,145 @@
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use ratatui::{
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layout::{Constraint, Rect},
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style::{Style, Stylize},
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text::Span,
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widgets::{Block, Borders, HighlightSpacing, Row, Table, TableState},
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Frame,
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};
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use crate::{exercise::Exercise, state_file::StateFile};
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pub struct UiState<'a> {
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pub table: Table<'a>,
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selected: usize,
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table_state: TableState,
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last_ind: usize,
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}
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impl<'a> UiState<'a> {
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pub fn rows<'s, 'i>(
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state_file: &'s StateFile,
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exercises: &'a [Exercise],
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) -> impl Iterator<Item = Row<'a>> + 'i
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where
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's: 'i,
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'a: 'i,
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{
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exercises
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.iter()
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.zip(state_file.progress())
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.enumerate()
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.map(|(ind, (exercise, done))| {
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let next = if ind == state_file.next_exercise_ind() {
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">>>>".bold().red()
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} else {
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Span::default()
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};
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let exercise_state = if *done {
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"DONE".green()
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} else {
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"PENDING".yellow()
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};
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Row::new([
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next,
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exercise_state,
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Span::raw(&exercise.name),
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Span::raw(exercise.path.to_string_lossy()),
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])
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})
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}
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pub fn new(state_file: &StateFile, exercises: &'a [Exercise]) -> Self {
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let header = Row::new(["Next", "State", "Name", "Path"]);
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let max_name_len = exercises
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.iter()
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.map(|exercise| exercise.name.len())
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.max()
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.unwrap_or(4) as u16;
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let widths = [
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Constraint::Length(4),
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Constraint::Length(7),
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Constraint::Length(max_name_len),
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Constraint::Fill(1),
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];
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let rows = Self::rows(state_file, exercises);
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let table = Table::new(rows, widths)
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.header(header)
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.column_spacing(2)
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.highlight_spacing(HighlightSpacing::Always)
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.highlight_style(Style::new().bg(ratatui::style::Color::Rgb(50, 50, 50)))
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.highlight_symbol("🦀")
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.block(Block::default().borders(Borders::BOTTOM));
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let selected = 0;
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let table_state = TableState::default().with_selected(Some(selected));
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let last_ind = exercises.len() - 1;
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Self {
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table,
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selected,
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table_state,
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last_ind,
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}
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}
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#[inline]
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pub fn selected(&self) -> usize {
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self.selected
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}
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fn select(&mut self, ind: usize) {
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self.selected = ind;
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self.table_state.select(Some(ind));
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}
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pub fn select_next(&mut self) {
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self.select(self.selected.saturating_add(1).min(self.last_ind));
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}
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pub fn select_previous(&mut self) {
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self.select(self.selected.saturating_sub(1));
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}
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#[inline]
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pub fn select_first(&mut self) {
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self.select(0);
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}
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#[inline]
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pub fn select_last(&mut self) {
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self.select(self.last_ind);
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}
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pub fn draw(&mut self, frame: &mut Frame) {
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let area = frame.size();
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frame.render_stateful_widget(
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&self.table,
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Rect {
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x: 0,
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y: 0,
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width: area.width,
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height: area.height - 1,
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},
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&mut self.table_state,
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);
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let help_footer =
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"↓/j ↑/k home/g end/G │ Filter <d>one/<p>ending │ <r>eset │ <c>ontinue at │ <q>uit";
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frame.render_widget(
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Span::raw(help_footer),
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Rect {
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x: 0,
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y: area.height - 1,
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width: area.width,
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height: 1,
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},
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);
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}
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}
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