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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/dialoguer/src/prompts/multi_select.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/dialoguer/src/prompts/multi_select.rs')
-rw-r--r--vendor/dialoguer/src/prompts/multi_select.rs356
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diff --git a/vendor/dialoguer/src/prompts/multi_select.rs b/vendor/dialoguer/src/prompts/multi_select.rs
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--- a/vendor/dialoguer/src/prompts/multi_select.rs
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@@ -1,356 +0,0 @@
-use std::{io, iter::repeat, ops::Rem};
-
-use crate::{
- theme::{SimpleTheme, TermThemeRenderer, Theme},
- Paging,
-};
-
-use console::{Key, Term};
-
-/// Renders a multi select prompt.
-///
-/// ## Example usage
-/// ```rust,no_run
-/// # fn test() -> Result<(), Box<dyn std::error::Error>> {
-/// use dialoguer::MultiSelect;
-///
-/// let items = vec!["Option 1", "Option 2"];
-/// let chosen : Vec<usize> = MultiSelect::new()
-/// .items(&items)
-/// .interact()?;
-/// # Ok(())
-/// # }
-/// ```
-pub struct MultiSelect<'a> {
- defaults: Vec<bool>,
- items: Vec<String>,
- prompt: Option<String>,
- report: bool,
- clear: bool,
- max_length: Option<usize>,
- theme: &'a dyn Theme,
-}
-
-impl Default for MultiSelect<'static> {
- fn default() -> Self {
- Self::new()
- }
-}
-
-impl MultiSelect<'static> {
- /// Creates a multi select prompt.
- pub fn new() -> Self {
- Self::with_theme(&SimpleTheme)
- }
-}
-
-impl MultiSelect<'_> {
- /// Sets the clear behavior of the menu.
- ///
- /// The default is to clear the menu.
- pub fn clear(&mut self, val: bool) -> &mut Self {
- self.clear = val;
- self
- }
-
- /// Sets a defaults for the menu.
- pub fn defaults(&mut self, val: &[bool]) -> &mut Self {
- self.defaults = val
- .to_vec()
- .iter()
- .copied()
- .chain(repeat(false))
- .take(self.items.len())
- .collect();
- self
- }
-
- /// Sets an optional max length for a page
- ///
- /// Max length is disabled by None
- pub fn max_length(&mut self, val: usize) -> &mut Self {
- // Paging subtracts two from the capacity, paging does this to
- // make an offset for the page indicator. So to make sure that
- // we can show the intended amount of items we need to add two
- // to our value.
- self.max_length = Some(val + 2);
- self
- }
-
- /// Add a single item to the selector.
- #[inline]
- pub fn item<T: ToString>(&mut self, item: T) -> &mut Self {
- self.item_checked(item, false)
- }
-
- /// Add a single item to the selector with a default checked state.
- pub fn item_checked<T: ToString>(&mut self, item: T, checked: bool) -> &mut Self {
- self.items.push(item.to_string());
- self.defaults.push(checked);
- self
- }
-
- /// Adds multiple items to the selector.
- pub fn items<T: ToString>(&mut self, items: &[T]) -> &mut Self {
- for item in items {
- self.items.push(item.to_string());
- self.defaults.push(false);
- }
- self
- }
-
- /// Adds multiple items to the selector with checked state
- pub fn items_checked<T: ToString>(&mut self, items: &[(T, bool)]) -> &mut Self {
- for &(ref item, checked) in items {
- self.items.push(item.to_string());
- self.defaults.push(checked);
- }
- self
- }
-
- /// Prefaces the menu with a prompt.
- ///
- /// By default, when a prompt is set the system also prints out a confirmation after
- /// the selection. You can opt-out of this with [`report`](#method.report).
- pub fn with_prompt<S: Into<String>>(&mut self, prompt: S) -> &mut Self {
- self.prompt = Some(prompt.into());
- self
- }
-
- /// Indicates whether to report the selected values after interaction.
- ///
- /// The default is to report the selections.
- pub fn report(&mut self, val: bool) -> &mut Self {
- self.report = val;
- self
- }
-
- /// Enables user interaction and returns the result.
- ///
- /// The user can select the items with the 'Space' bar and on 'Enter' the indices of selected items will be returned.
- /// The dialog is rendered on stderr.
- /// Result contains `Vec<index>` if user hit 'Enter'.
- /// This unlike [`interact_opt`](Self::interact_opt) does not allow to quit with 'Esc' or 'q'.
- #[inline]
- pub fn interact(&self) -> io::Result<Vec<usize>> {
- self.interact_on(&Term::stderr())
- }
-
- /// Enables user interaction and returns the result.
- ///
- /// The user can select the items with the 'Space' bar and on 'Enter' the indices of selected items will be returned.
- /// The dialog is rendered on stderr.
- /// Result contains `Some(Vec<index>)` if user hit 'Enter' or `None` if user cancelled with 'Esc' or 'q'.
- #[inline]
- pub fn interact_opt(&self) -> io::Result<Option<Vec<usize>>> {
- self.interact_on_opt(&Term::stderr())
- }
-
- /// Like [interact](#method.interact) but allows a specific terminal to be set.
- ///
- /// ## Examples
- ///```rust,no_run
- /// use dialoguer::MultiSelect;
- /// use console::Term;
- ///
- /// fn main() -> std::io::Result<()> {
- /// let selections = MultiSelect::new()
- /// .item("Option A")
- /// .item("Option B")
- /// .interact_on(&Term::stderr())?;
- ///
- /// println!("User selected options at indices {:?}", selections);
- ///
- /// Ok(())
- /// }
- ///```
- #[inline]
- pub fn interact_on(&self, term: &Term) -> io::Result<Vec<usize>> {
- self._interact_on(term, false)?
- .ok_or_else(|| io::Error::new(io::ErrorKind::Other, "Quit not allowed in this case"))
- }
-
- /// Like [`interact_opt`](Self::interact_opt) but allows a specific terminal to be set.
- ///
- /// ## Examples
- /// ```rust,no_run
- /// use dialoguer::MultiSelect;
- /// use console::Term;
- ///
- /// fn main() -> std::io::Result<()> {
- /// let selections = MultiSelect::new()
- /// .item("Option A")
- /// .item("Option B")
- /// .interact_on_opt(&Term::stdout())?;
- ///
- /// match selections {
- /// Some(positions) => println!("User selected options at indices {:?}", positions),
- /// None => println!("User exited using Esc or q")
- /// }
- ///
- /// Ok(())
- /// }
- /// ```
- #[inline]
- pub fn interact_on_opt(&self, term: &Term) -> io::Result<Option<Vec<usize>>> {
- self._interact_on(term, true)
- }
-
- fn _interact_on(&self, term: &Term, allow_quit: bool) -> io::Result<Option<Vec<usize>>> {
- if self.items.is_empty() {
- return Err(io::Error::new(
- io::ErrorKind::Other,
- "Empty list of items given to `MultiSelect`",
- ));
- }
-
- let mut paging = Paging::new(term, self.items.len(), self.max_length);
- let mut render = TermThemeRenderer::new(term, self.theme);
- let mut sel = 0;
-
- let mut size_vec = Vec::new();
-
- for items in self
- .items
- .iter()
- .flat_map(|i| i.split('\n'))
- .collect::<Vec<_>>()
- {
- let size = &items.len();
- size_vec.push(*size);
- }
-
- let mut checked: Vec<bool> = self.defaults.clone();
-
- term.hide_cursor()?;
-
- loop {
- if let Some(ref prompt) = self.prompt {
- paging
- .render_prompt(|paging_info| render.multi_select_prompt(prompt, paging_info))?;
- }
-
- for (idx, item) in self
- .items
- .iter()
- .enumerate()
- .skip(paging.current_page * paging.capacity)
- .take(paging.capacity)
- {
- render.multi_select_prompt_item(item, checked[idx], sel == idx)?;
- }
-
- term.flush()?;
-
- match term.read_key()? {
- Key::ArrowDown | Key::Tab | Key::Char('j') => {
- if sel == !0 {
- sel = 0;
- } else {
- sel = (sel as u64 + 1).rem(self.items.len() as u64) as usize;
- }
- }
- Key::ArrowUp | Key::BackTab | Key::Char('k') => {
- if sel == !0 {
- sel = self.items.len() - 1;
- } else {
- sel = ((sel as i64 - 1 + self.items.len() as i64)
- % (self.items.len() as i64)) as usize;
- }
- }
- Key::ArrowLeft | Key::Char('h') => {
- if paging.active {
- sel = paging.previous_page();
- }
- }
- Key::ArrowRight | Key::Char('l') => {
- if paging.active {
- sel = paging.next_page();
- }
- }
- Key::Char(' ') => {
- checked[sel] = !checked[sel];
- }
- Key::Char('a') => {
- if checked.iter().all(|&item_checked| item_checked) {
- checked.fill(false);
- } else {
- checked.fill(true);
- }
- }
- Key::Escape | Key::Char('q') => {
- if allow_quit {
- if self.clear {
- render.clear()?;
- } else {
- term.clear_last_lines(paging.capacity)?;
- }
-
- term.show_cursor()?;
- term.flush()?;
-
- return Ok(None);
- }
- }
- Key::Enter => {
- if self.clear {
- render.clear()?;
- }
-
- if let Some(ref prompt) = self.prompt {
- if self.report {
- let selections: Vec<_> = checked
- .iter()
- .enumerate()
- .filter_map(|(idx, &checked)| {
- if checked {
- Some(self.items[idx].as_str())
- } else {
- None
- }
- })
- .collect();
-
- render.multi_select_prompt_selection(prompt, &selections[..])?;
- }
- }
-
- term.show_cursor()?;
- term.flush()?;
-
- return Ok(Some(
- checked
- .into_iter()
- .enumerate()
- .filter_map(|(idx, checked)| if checked { Some(idx) } else { None })
- .collect(),
- ));
- }
- _ => {}
- }
-
- paging.update(sel)?;
-
- if paging.active {
- render.clear()?;
- } else {
- render.clear_preserve_prompt(&size_vec)?;
- }
- }
- }
-}
-
-impl<'a> MultiSelect<'a> {
- /// Creates a multi select prompt with a specific theme.
- pub fn with_theme(theme: &'a dyn Theme) -> Self {
- Self {
- items: vec![],
- defaults: vec![],
- clear: true,
- prompt: None,
- report: true,
- max_length: None,
- theme,
- }
- }
-}