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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| use std::sync::mpsc::Sender; | ||
|
|
||
| use ratatui::{ | ||
| layout::{Alignment, Constraint, Direction, Layout, Rect}, | ||
| style::{Color, Style}, | ||
| text::Text, | ||
| widgets::{Block, BorderType, Borders, Clear, List, ListItem, ListState, Paragraph, Wrap}, | ||
| Frame, | ||
| }; | ||
|
|
||
| use crate::{ | ||
| app::FocusedBlock, | ||
| event::Event, | ||
| notification::{Notification, NotificationLevel}, | ||
| }; | ||
|
|
||
| #[derive(Debug, Default, Clone)] | ||
| pub struct Preview<'a> { | ||
| pub text: Vec<Text<'a>>, | ||
| pub scroll: usize, | ||
| } | ||
|
|
||
| #[derive(Debug, Default, Clone)] | ||
| pub struct History<'a> { | ||
| block_height: usize, | ||
| state: ListState, | ||
| pub text: Vec<Vec<String>>, | ||
| pub preview: Preview<'a>, | ||
| } | ||
|
|
||
| impl History<'_> { | ||
| pub fn new() -> Self { | ||
| Self { | ||
| block_height: 0, | ||
| state: ListState::default(), | ||
| text: Vec::new(), | ||
| preview: Preview::default(), | ||
| } | ||
| } | ||
|
|
||
| pub fn move_to_bottom(&mut self) { | ||
| if !self.text.is_empty() { | ||
| self.state.select(Some(self.text.len() - 1)); | ||
| } | ||
| } | ||
|
|
||
| pub fn move_to_top(&mut self) { | ||
| if !self.text.is_empty() { | ||
| self.state.select(Some(0)); | ||
| } | ||
| } | ||
|
|
||
| pub fn scroll_down(&mut self) { | ||
| if self.text.is_empty() { | ||
| return; | ||
| } | ||
| let i = match self.state.selected() { | ||
| Some(i) => { | ||
| if i < self.text.len() - 1 { | ||
| i + 1 | ||
| } else { | ||
| i | ||
| } | ||
| } | ||
| None => 0, | ||
| }; | ||
| self.state.select(Some(i)); | ||
| } | ||
| pub fn scroll_up(&mut self) { | ||
| if self.text.is_empty() { | ||
| return; | ||
| } | ||
| let i = match self.state.selected() { | ||
| Some(i) => { | ||
| if i > 1 { | ||
| i - 1 | ||
| } else { | ||
| 0 | ||
| } | ||
| } | ||
| None => 0, | ||
| }; | ||
| self.state.select(Some(i)); | ||
| } | ||
|
|
||
| pub fn save(&mut self, archive_file_name: &str, sender: Sender<Event>) { | ||
| if !self.text.is_empty() { | ||
| match std::fs::write( | ||
| archive_file_name, | ||
| self.text[self.state.selected().unwrap_or(0)].join(""), | ||
| ) { | ||
| Ok(_) => { | ||
| let notif = Notification::new( | ||
| format!("Chat saved to `{}` file", archive_file_name), | ||
| NotificationLevel::Info, | ||
| ); | ||
|
|
||
| sender.send(Event::Notification(notif)).unwrap(); | ||
| } | ||
| Err(e) => { | ||
| let notif = Notification::new(e.to_string(), NotificationLevel::Error); | ||
|
|
||
| sender.send(Event::Notification(notif)).unwrap(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn render(&mut self, frame: &mut Frame, area: Rect, focused_block: FocusedBlock) { | ||
| self.block_height = area.height as usize; | ||
|
|
||
| if !self.text.is_empty() && self.state.selected().is_none() { | ||
| *self.state.offset_mut() = 0; | ||
| self.state.select(Some(0)); | ||
| } | ||
|
|
||
| let (history_block, preview_block) = { | ||
| let chunks = Layout::default() | ||
| .direction(Direction::Horizontal) | ||
| .constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref()) | ||
| .split(area); | ||
| (chunks[0], chunks[1]) | ||
| }; | ||
|
|
||
| let items = self | ||
| .text | ||
| .iter() | ||
| .map(|chat| match chat.first() { | ||
| Some(v) => ListItem::new(v.to_owned()), | ||
| None => ListItem::new(""), | ||
| }) | ||
| .collect::<Vec<ListItem>>(); | ||
|
|
||
| let list = List::new(items) | ||
| .block( | ||
| Block::default() | ||
| .borders(Borders::ALL) | ||
| .title(" History ") | ||
| .title_alignment(Alignment::Center) | ||
| .style(Style::default()) | ||
| .border_style(Style::default()) | ||
| .border_type(match focused_block { | ||
| FocusedBlock::History => BorderType::Thick, | ||
| _ => BorderType::Rounded, | ||
| }), | ||
| ) | ||
| .highlight_style(Style::default().bg(Color::DarkGray)); | ||
|
|
||
| let preview = Paragraph::new(match self.state.selected() { | ||
| Some(i) => self.preview.text[i].clone(), | ||
| None => Text::raw(""), | ||
| }) | ||
| .wrap(Wrap { trim: false }) | ||
| .scroll((self.preview.scroll as u16, 0)) | ||
| .block( | ||
| Block::default() | ||
| .title(" Preview ") | ||
| .title_alignment(Alignment::Center) | ||
| .borders(Borders::ALL) | ||
| .style(Style::default()) | ||
| .border_style(Style::default()) | ||
| .border_type(match focused_block { | ||
| FocusedBlock::Preview => BorderType::Thick, | ||
| _ => BorderType::Rounded, | ||
| }), | ||
| ); | ||
|
|
||
| frame.render_widget(Clear, area); | ||
| frame.render_widget(preview, preview_block); | ||
| frame.render_stateful_widget(list, history_block, &mut self.state); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -25,3 +25,5 @@ pub mod formatter; | |
| pub mod prompt; | ||
|
|
||
| pub mod help; | ||
|
|
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| pub mod history; | ||
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