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Diffstat (limited to 'src/frontend/ui.rs')
| -rw-r--r-- | src/frontend/ui.rs | 646 |
1 files changed, 0 insertions, 646 deletions
diff --git a/src/frontend/ui.rs b/src/frontend/ui.rs deleted file mode 100644 index 45ccd60..0000000 --- a/src/frontend/ui.rs +++ /dev/null @@ -1,646 +0,0 @@ -// bibiman - a TUI for managing BibLaTeX databases -// Copyright (C) 2024 lukeflo -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <https://www.gnu.org/licenses/>. -///// - -use color_eyre::owo_colors::OwoColorize; -use itertools::Itertools; -use ratatui::{ - buffer::Buffer, - layout::{Alignment, Constraint, Layout, Rect}, - style::{Color, Modifier, Style, Stylize}, - symbols, - text::{Line, Span, Text}, - widgets::{ - block::{Position, Title}, - Block, Borders, Cell, HighlightSpacing, List, ListItem, Padding, Paragraph, Row, Scrollbar, - ScrollbarOrientation, StatefulWidget, Table, Widget, Wrap, - }, -}; - -use crate::frontend::{app::App, keywords::TagListItem}; - -use super::{ - app::{CurrentArea, FormerArea}, - entries::EntryTableColumn, - keywords, -}; - -const MAIN_BLUE_COLOR: Color = Color::Indexed(39); -// const MAIN_PURPLE_COLOR: Color = Color::Indexed(129); -const BOX_SELECTED_BOX_STYLE: Style = Style::new().fg(TEXT_FG_COLOR); -const BOX_SELECTED_TITLE_STYLE: Style = Style::new().fg(TEXT_FG_COLOR).add_modifier(Modifier::BOLD); -const BOX_UNSELECTED_BORDER_STYLE: Style = Style::new().fg(TEXT_UNSELECTED_FG_COLOR); -const BOX_UNSELECTED_TITLE_STYLE: Style = Style::new() - .fg(TEXT_UNSELECTED_FG_COLOR) - .add_modifier(Modifier::BOLD); -const NORMAL_ROW_BG: Color = Color::Black; -const ALT_ROW_BG_COLOR: Color = Color::Indexed(234); -const SELECTED_STYLE: Style = Style::new() - .add_modifier(Modifier::BOLD) - .add_modifier(Modifier::REVERSED); -const TEXT_FG_COLOR: Color = Color::Indexed(252); -const TEXT_UNSELECTED_FG_COLOR: Color = Color::Indexed(245); -const SORTED_ENTRIES: &str = "▼"; -const SORTED_ENTRIES_REVERSED: &str = "▲"; -const HEADER_FOOTER_BG: Color = Color::Indexed(235); - -const SCROLLBAR_UPPER_CORNER: Option<&str> = Some("┓"); -const SCROLLBAR_LOWER_CORNER: Option<&str> = Some("┛"); - -pub const fn alternate_colors(i: usize) -> Color { - if i % 2 == 0 { - NORMAL_ROW_BG - } else { - ALT_ROW_BG_COLOR - } -} - -impl From<&TagListItem> for ListItem<'_> { - fn from(value: &TagListItem) -> Self { - let line = Line::styled(format!("{}", value.keyword), TEXT_FG_COLOR); - ListItem::new(line) - } -} - -impl Widget for &mut App { - fn render(self, area: Rect, buf: &mut Buffer) { - let [header_area, main_area, footer_area] = Layout::vertical([ - Constraint::Length(1), - Constraint::Fill(1), - Constraint::Length(3), - ]) - .areas(area); - - let [list_area, item_area] = - Layout::vertical([Constraint::Fill(1), Constraint::Fill(1)]).areas(main_area); - - let [entry_area, entry_info_area] = - Layout::vertical([Constraint::Fill(1), Constraint::Length(2)]).areas(list_area); - - let [tag_area, info_area] = - Layout::horizontal([Constraint::Max(25), Constraint::Min(35)]).areas(item_area); - - // Render header and footer - App::render_header(header_area, buf); - self.render_footer(footer_area, buf); - // Render list area where entry gets selected - self.render_entrytable(entry_area, buf); - self.render_file_info(entry_info_area, buf); - // Render infos related to selected entry - self.render_taglist(tag_area, buf); - self.render_selected_item(info_area, buf); - } -} - -impl App { - pub fn render_header(area: Rect, buf: &mut Buffer) { - Paragraph::new("BIBIMAN – BibLaTeX manager TUI") - .bold() - .fg(MAIN_BLUE_COLOR) - .centered() - .render(area, buf); - } - - pub fn render_footer(&mut self, area: Rect, buf: &mut Buffer) { - match &self.current_area { - CurrentArea::SearchArea => { - let search_title = { - match self.former_area { - Some(FormerArea::EntryArea) => { - let search_title = " Search Entries ".to_string(); - search_title - } - Some(FormerArea::TagArea) => { - let search_title = " Search Keywords ".to_string(); - search_title - } - _ => { - let search_title = " Search ".to_string(); - search_title - } - } - }; - - let block = Block::bordered() - .title(Line::styled(search_title, BOX_SELECTED_TITLE_STYLE)) - .border_style(BOX_SELECTED_BOX_STYLE) - .border_set(symbols::border::THICK); - Paragraph::new(self.search_struct.search_string.clone()) - .block(block) - .render(area, buf); - } - _ => { - let style_emph = Style::new().bold().fg(TEXT_FG_COLOR); - let block = Block::bordered() - .title(Line::raw(" Basic Commands ").centered()) - .border_style(BOX_UNSELECTED_BORDER_STYLE) - .border_set(symbols::border::PLAIN); - Paragraph::new(Line::from(vec![ - Span::styled("j/k: ", style_emph), - Span::raw("move | "), - Span::styled("g/G: ", style_emph), - Span::raw("top/bottom | "), - Span::styled("TAB: ", style_emph), - Span::raw("switch tab | "), - Span::styled("y: ", style_emph), - Span::raw("yank citekey | "), - Span::styled("e: ", style_emph), - Span::raw("edit | "), - Span::styled("/: ", style_emph), - Span::raw("search | "), - Span::styled("o/u: ", style_emph), - Span::raw("open PDF/DOI"), - ])) - .block(block) - .centered() - .render(area, buf); - } - } - } - - // Render info of the current file and process - // 1. Basename of the currently loaded file - // 2. Keyword by which the entries are filtered at the moment - // 3. Currently selected entry and total count of entries - pub fn render_file_info(&mut self, area: Rect, buf: &mut Buffer) { - let block = Block::new() // can also be Block::new - // Leave Top empty to simulate one large box with borders of entry list - .borders(Borders::LEFT | Borders::RIGHT | Borders::BOTTOM) - .border_set(if let CurrentArea::EntryArea = self.current_area { - symbols::border::THICK - } else { - symbols::border::PLAIN - }) - .border_style(if let CurrentArea::EntryArea = self.current_area { - BOX_SELECTED_BOX_STYLE - } else { - BOX_UNSELECTED_BORDER_STYLE - }); - - let [file_area, keyword_area, count_area] = Layout::horizontal([ - Constraint::Fill(3), - Constraint::Fill(4), - Constraint::Fill(1), - ]) - .horizontal_margin(1) - .areas(area); - - Line::from(vec![ - Span::raw("File: ").bold(), - Span::raw(self.main_bibfile.file_name().unwrap().to_string_lossy()).bold(), - ]) - .bg(HEADER_FOOTER_BG) - .render(file_area, buf); - - Line::from(if !self.tag_list.selected_keywords.is_empty() { - vec![ - Span::raw("Selected keywords: "), - // Show all keywords in correct order if list is filtered - // successively by multiple keywords - Span::raw(self.tag_list.selected_keywords.join(" → ")) - .bold() - .green(), - ] - } else { - vec![Span::raw(" ")] - }) - .bg(HEADER_FOOTER_BG) - .render(keyword_area, buf); - - Line::from(if self.entry_table.entry_table_state.selected().is_some() { - vec![ - Span::raw((self.entry_table.entry_table_state.selected().unwrap() + 1).to_string()) - .bold(), - Span::raw("/"), - Span::raw(self.entry_table.entry_table_items.len().to_string()), - ] - } else { - vec![Span::raw("No entries")] - }) - .right_aligned() - .bg(HEADER_FOOTER_BG) - .render(count_area, buf); - - // Render that stuff - Widget::render(block, area, buf) - } - - pub fn render_entrytable(&mut self, area: Rect, buf: &mut Buffer) { - let block = Block::new() // can also be Block::new - .title( - Line::styled( - " Bibliographic Entries ", - if let CurrentArea::EntryArea = self.current_area { - BOX_SELECTED_TITLE_STYLE - } else { - BOX_UNSELECTED_TITLE_STYLE - }, - ) - .centered(), - ) - .borders(Borders::LEFT | Borders::RIGHT | Borders::TOP) - .border_set(if let CurrentArea::EntryArea = self.current_area { - symbols::border::THICK - } else { - symbols::border::PLAIN - }) - .border_style(if let CurrentArea::EntryArea = self.current_area { - BOX_SELECTED_BOX_STYLE - } else { - BOX_UNSELECTED_BORDER_STYLE - }); - - let header_style = Style::default() - .bold() - .fg(TEXT_FG_COLOR) - .bg(HEADER_FOOTER_BG); - - let header_selected_col = Style::default().underlined(); - - let header = Row::new(vec![ - Cell::from(Line::from(vec![ - { - if let EntryTableColumn::Authors = self.entry_table.entry_table_selected_column - { - Span::styled("Author", header_selected_col) - } else { - Span::raw("Author") - } - }, - { - if let EntryTableColumn::Authors = self.entry_table.entry_table_sorted_by_col { - Span::raw(format!( - " {}", - if self.entry_table.entry_table_reversed_sort { - SORTED_ENTRIES_REVERSED - } else { - SORTED_ENTRIES - } - )) - } else { - Span::raw("") - } - }, - ])), - Cell::from(Line::from(vec![ - { - if let EntryTableColumn::Title = self.entry_table.entry_table_selected_column { - Span::styled("Title", header_selected_col) - } else { - Span::raw("Title") - } - }, - { - if let EntryTableColumn::Title = self.entry_table.entry_table_sorted_by_col { - Span::raw(format!( - " {}", - if self.entry_table.entry_table_reversed_sort { - SORTED_ENTRIES_REVERSED - } else { - SORTED_ENTRIES - } - )) - } else { - Span::raw("") - } - }, - ])), - Cell::from(Line::from(vec![ - { - if let EntryTableColumn::Year = self.entry_table.entry_table_selected_column { - Span::styled("Year", header_selected_col) - } else { - Span::raw("Year") - } - }, - { - if let EntryTableColumn::Year = self.entry_table.entry_table_sorted_by_col { - Span::raw(format!( - " {}", - if self.entry_table.entry_table_reversed_sort { - SORTED_ENTRIES_REVERSED - } else { - SORTED_ENTRIES - } - )) - } else { - Span::raw("") - } - }, - ])), - Cell::from(Line::from(vec![ - { - if let EntryTableColumn::Pubtype = self.entry_table.entry_table_selected_column - { - Span::styled("Pubtype", header_selected_col) - } else { - Span::raw("Pubtype") - } - }, - { - if let EntryTableColumn::Pubtype = self.entry_table.entry_table_sorted_by_col { - Span::raw(format!( - " {}", - if self.entry_table.entry_table_reversed_sort { - SORTED_ENTRIES_REVERSED - } else { - SORTED_ENTRIES - } - )) - } else { - Span::raw("") - } - }, - ])), - ]) - .style(header_style) - .height(1); - - // Iterate over vector storing each entries data fields - let rows = self - .entry_table - .entry_table_items - .iter_mut() - .enumerate() - .map(|(_i, data)| { - let item = data.ref_vec(); - item.into_iter() - .map(|content| Cell::from(Text::from(format!("{content}")))) - .collect::<Row>() - .style(Style::new().fg(TEXT_FG_COLOR)) //.bg(alternate_colors(i))) - .height(1) - }); - let entry_table = Table::new( - rows, - [ - Constraint::Percentage(20), - Constraint::Fill(1), - Constraint::Length( - if let EntryTableColumn::Year = self.entry_table.entry_table_sorted_by_col { - 6 - } else { - 4 - }, - ), - Constraint::Percentage(10), - ], - ) - .block(block) - .header(header) - .column_spacing(2) - .highlight_style(SELECTED_STYLE) - // .bg(Color::Black) - .highlight_spacing(HighlightSpacing::Always); - StatefulWidget::render( - entry_table, - area, - buf, - &mut self.entry_table.entry_table_state, - ); - - // Scrollbar for entry table - let scrollbar = Scrollbar::default() - .orientation(ScrollbarOrientation::VerticalRight) - .track_symbol(None) - .begin_symbol(SCROLLBAR_UPPER_CORNER) - .end_symbol(None) - .thumb_style(Style::new().fg(Color::DarkGray)); - - if let CurrentArea::EntryArea = self.current_area { - // render the scrollbar - StatefulWidget::render( - scrollbar, - area, - buf, - &mut self.entry_table.entry_scroll_state, - ); - } - } - - pub fn render_selected_item(&mut self, area: Rect, buf: &mut Buffer) { - // We get the info depending on the item's state. - let style_value = Style::new().bold().fg(TEXT_FG_COLOR); - let style_value_sec = Style::new() - .add_modifier(Modifier::ITALIC) - .fg(TEXT_FG_COLOR); - let lines = { - // if self.entry_table.entry_table_items.len() > 0 { - if self.entry_table.entry_table_state.selected().is_some() { - let idx = self.entry_table.entry_table_state.selected().unwrap(); - let cur_entry = &self.entry_table.entry_table_items[idx]; - let mut lines = vec![]; - lines.push(Line::from(vec![ - Span::styled("Authors: ", style_value), - // Span::styled(cur_entry.authors.clone(), Style::new().green()), - Span::styled(cur_entry.authors(), Style::new().green()), - ])); - lines.push(Line::from(vec![ - Span::styled("Title: ", style_value), - Span::styled(cur_entry.title(), Style::new().magenta()), - ])); - lines.push(Line::from(vec![ - Span::styled("Year: ", style_value), - Span::styled(cur_entry.year(), Style::new().light_magenta()), - ])); - // Render keywords in info box in Markdown code style - if !cur_entry.keywords.is_empty() { - let kw: Vec<&str> = cur_entry - .keywords - .split(",") - .map(|k| k.trim()) - .filter(|k| !k.is_empty()) - .collect(); - let mut content = vec![Span::styled("Keywords: ", style_value)]; - for k in kw { - // Add half block highlighted in bg color to enlarge block - content.push(Span::raw("▐").fg(HEADER_FOOTER_BG)); - content.push(Span::styled( - k, - Style::default().bg(HEADER_FOOTER_BG).fg( - // Highlight selected keyword green - if self.tag_list.selected_keywords.iter().any(|e| e == k) { - Color::Green - } else { - TEXT_FG_COLOR - }, - ), - )); - content.push(Span::raw("▌").fg(HEADER_FOOTER_BG)); - } - lines.push(Line::from(content)) - } - if !cur_entry.doi_url.is_empty() || !cur_entry.filepath.is_empty() { - lines.push(Line::raw("")); - } - if !cur_entry.doi_url.is_empty() { - lines.push(Line::from(vec![ - Span::styled("DOI/URL: ", style_value_sec), - Span::styled( - cur_entry.doi_url(), - Style::default().fg(TEXT_FG_COLOR).underlined(), - ), - ])); - } - if !cur_entry.filepath.is_empty() { - lines.push(Line::from(vec![ - Span::styled("File: ", style_value_sec), - Span::styled(cur_entry.filepath(), Style::default().fg(TEXT_FG_COLOR)), - ])); - } - lines.push(Line::from("")); - lines.push(Line::from(vec![Span::styled( - cur_entry.abstract_text.clone(), - Style::default().fg(TEXT_FG_COLOR), - )])); - lines - } else { - let lines = vec![ - Line::from(" "), - Line::from("No entry selected".bold().into_centered_line().red()), - ]; - lines - } - }; - let info = Text::from(lines); - - // We show the list item's info under the list in this paragraph - let block = Block::bordered() - .title(Line::raw(" Entry Information ").centered().bold()) - // .borders(Borders::TOP) - .border_set(symbols::border::PLAIN) - .border_style(BOX_UNSELECTED_BORDER_STYLE) - // .bg(Color::Black) - .padding(Padding::horizontal(1)); - - // INFO: '.line_count' method only possible with unstable-rendered-line-info feature -> API might change: https://github.com/ratatui/ratatui/issues/293#ref-pullrequest-2027056434 - let box_height = Paragraph::new(info.clone()) - .block(block.clone()) - .wrap(Wrap { trim: false }) - .line_count(area.width); - // Make sure to allow scroll only if text is larger than the rendered area and stop scrolling when last line is reached - let scroll_height = { - if self.entry_table.entry_info_scroll == 0 { - self.entry_table.entry_info_scroll - } else if area.height > box_height as u16 { - self.entry_table.entry_info_scroll = 0; - self.entry_table.entry_info_scroll - } else if self.entry_table.entry_info_scroll > (box_height as u16 + 2 - area.height) { - self.entry_table.entry_info_scroll = box_height as u16 + 2 - area.height; - self.entry_table.entry_info_scroll - } else { - self.entry_table.entry_info_scroll - } - }; - - // We can now render the item info - Paragraph::new(info) - .block( - block - // Render arrows to show that info box has content outside the block - .title( - Title::from( - if box_height > area.height.into() - && self.entry_table.entry_info_scroll - < box_height as u16 + 2 - area.height - { - " ▼ " - } else { - "" - }, - ) - .position(Position::Bottom) - .alignment(Alignment::Right), - ) - .title( - Title::from(if scroll_height > 0 { " ▲ " } else { "" }) - .position(Position::Top) - .alignment(Alignment::Right), - ), - ) - // .fg(TEXT_FG_COLOR) - .wrap(Wrap { trim: false }) - .scroll((scroll_height, 0)) - .render(area, buf); - } - - pub fn render_taglist(&mut self, area: Rect, buf: &mut Buffer) { - let block = Block::bordered() - .title( - Line::styled( - " Keywords ", - if let CurrentArea::TagArea = self.current_area { - BOX_SELECTED_TITLE_STYLE - } else { - BOX_UNSELECTED_TITLE_STYLE - }, - ) - .centered(), - ) - .border_set(if let CurrentArea::TagArea = self.current_area { - symbols::border::THICK - } else { - symbols::border::PLAIN - }) - .border_style(if let CurrentArea::TagArea = self.current_area { - BOX_SELECTED_BOX_STYLE - } else { - BOX_UNSELECTED_BORDER_STYLE - }); - // .bg(Color::Black); - - // Iterate through all elements in the `items` and stylize them. - let items: Vec<ListItem> = self - .tag_list - .tag_list_items - .iter() - .enumerate() - .map(|(_i, todo_item)| { - // let color = alternate_colors(i); - ListItem::from(todo_item.to_owned()) //.bg(color) - }) - .collect(); - - // Create a List from all list items and highlight the currently selected one - let list = List::new(items) - .block(block) - .highlight_style(SELECTED_STYLE) - // .highlight_symbol("> ") - .highlight_spacing(HighlightSpacing::Always); - - // Save list length for calculating scrollbar need - // Add 2 to compmensate lines of the block border - let list_length = list.len() + 2; - - // We need to disambiguate this trait method as both `Widget` and `StatefulWidget` share the - // same method name `render`. - StatefulWidget::render(list, area, buf, &mut self.tag_list.tag_list_state); - - // Scrollbar for keyword list - let scrollbar = Scrollbar::default() - .orientation(ScrollbarOrientation::VerticalRight) - .track_symbol(None) - .begin_symbol(SCROLLBAR_UPPER_CORNER) - .end_symbol(SCROLLBAR_LOWER_CORNER) - .thumb_style(Style::new().fg(Color::DarkGray)); - - if list_length > area.height.into() { - if let CurrentArea::TagArea = self.current_area { - // render the scrollbar - StatefulWidget::render(scrollbar, area, buf, &mut self.tag_list.tag_scroll_state); - } - } - } -} |