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-rw-r--r--src/tui/app.rs257
-rw-r--r--src/tui/command.rs363
-rw-r--r--src/tui/handler.rs210
-rw-r--r--src/tui/ui.rs637
4 files changed, 1467 insertions, 0 deletions
diff --git a/src/tui/app.rs b/src/tui/app.rs
new file mode 100644
index 0000000..b09ae80
--- /dev/null
+++ b/src/tui/app.rs
@@ -0,0 +1,257 @@
+// 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 super::Event;
+use crate::bib::{bibmain::*, search::BibiSearch};
+use crate::cliargs::CLIArgs;
+use crate::tui;
+use crate::{bib::entries::EntryTable, bib::keywords::TagList, tui::handler::handle_key_events};
+use arboard::Clipboard;
+use color_eyre::eyre::{Ok, Result};
+use std::path::PathBuf;
+
+// Areas in which actions are possible
+#[derive(Debug)]
+pub enum CurrentArea {
+ EntryArea,
+ TagArea,
+ SearchArea,
+ HelpArea,
+ InfoArea,
+}
+
+// Check which area was active when popup set active
+#[derive(Debug)]
+pub enum FormerArea {
+ EntryArea,
+ TagArea,
+ SearchArea,
+}
+
+// Application.
+#[derive(Debug)]
+pub struct App {
+ // Is the application running?
+ pub running: bool,
+ // main bib file
+ pub main_bibfile: PathBuf,
+ // main bibliography
+ pub main_biblio: BibiMain,
+ // search struct:
+ pub search_struct: BibiSearch,
+ // tag list
+ pub tag_list: TagList,
+ // table items
+ pub entry_table: EntryTable,
+ // scroll state info buffer
+ pub scroll_info: u16,
+ // area
+ pub current_area: CurrentArea,
+ // mode for popup window
+ pub former_area: Option<FormerArea>,
+}
+
+impl App {
+ // Constructs a new instance of [`App`].
+ pub fn new(args: CLIArgs) -> Result<Self> {
+ // Self::default()
+ let running = true;
+ let main_bibfile = args.bibfilearg;
+ let main_biblio = BibiMain::new(main_bibfile.clone());
+ let tag_list = TagList::new(main_biblio.keyword_list.clone());
+ let search_struct = BibiSearch::default();
+ let entry_table = EntryTable::new(main_biblio.entry_list.clone());
+ let current_area = CurrentArea::EntryArea;
+ Ok(Self {
+ running,
+ main_bibfile,
+ main_biblio,
+ tag_list,
+ search_struct,
+ entry_table,
+ scroll_info: 0,
+ current_area,
+ former_area: None,
+ })
+ }
+
+ pub async fn run(&mut self) -> Result<()> {
+ let mut tui = tui::Tui::new()?;
+ tui.enter()?;
+
+ // Start the main loop.
+ while self.running {
+ // Render the user interface.
+ tui.draw(self)?;
+ // Handle events.
+ match tui.next().await? {
+ Event::Tick => self.tick(),
+ Event::Key(key_event) => handle_key_events(key_event, self, &mut tui)?,
+ Event::Mouse(_) => {}
+ Event::Resize(_, _) => {}
+ }
+ }
+
+ // Exit the user interface.
+ tui.exit()?;
+ Ok(())
+ }
+
+ // Handles the tick event of the terminal.
+ pub fn tick(&self) {}
+
+ // General commands
+
+ // Set running to false to quit the application.
+ pub fn quit(&mut self) {
+ self.running = false;
+ }
+
+ pub fn update_lists(&mut self) {
+ self.main_biblio = BibiMain::new(self.main_bibfile.clone());
+ // self.tag_list = TagList::from_iter(self.main_biblio.keyword_list.clone());
+ self.tag_list = TagList::new(self.main_biblio.keyword_list.clone());
+ self.entry_table = EntryTable::new(self.main_biblio.entry_list.clone());
+ }
+
+ // Toggle moveable list between entries and tags
+ pub fn toggle_area(&mut self) {
+ if let CurrentArea::EntryArea = self.current_area {
+ self.entry_table.entry_scroll_state = self.entry_table.entry_scroll_state.position(0);
+ self.current_area = CurrentArea::TagArea;
+ self.tag_list.tag_list_state.select(Some(0));
+ self.tag_list.tag_scroll_state = self
+ .tag_list
+ .tag_scroll_state
+ .position(self.tag_list.tag_list_state.selected().unwrap());
+ } else if let CurrentArea::TagArea = self.current_area {
+ self.current_area = CurrentArea::EntryArea;
+ self.tag_list.tag_list_state.select(None);
+ self.entry_table.entry_scroll_state = self
+ .entry_table
+ .entry_scroll_state
+ .position(self.entry_table.entry_table_state.selected().unwrap());
+ }
+ }
+
+ pub fn reset_current_list(&mut self) {
+ self.entry_table = EntryTable::new(self.main_biblio.entry_list.clone());
+ self.tag_list = TagList::new(self.main_biblio.keyword_list.clone());
+ if let CurrentArea::TagArea = self.current_area {
+ self.tag_list.tag_list_state.select(Some(0))
+ }
+ self.entry_table.entry_table_at_search_start.clear();
+ self.search_struct.filtered_tag_list.clear();
+ self.search_struct.inner_search = false;
+ self.former_area = None
+ }
+
+ // Yank the passed string to system clipboard
+ pub fn yank_text(selection: &str) {
+ let mut clipboard = Clipboard::new().unwrap();
+ let yanked_text = selection.to_string();
+ clipboard.set_text(yanked_text).unwrap();
+ }
+
+ pub fn scroll_info_down(&mut self) {
+ self.entry_table.entry_info_scroll = self.entry_table.entry_info_scroll.saturating_add(1);
+ self.entry_table.entry_info_scroll_state = self
+ .entry_table
+ .entry_info_scroll_state
+ .position(self.entry_table.entry_info_scroll.into());
+ }
+
+ pub fn scroll_info_up(&mut self) {
+ self.entry_table.entry_info_scroll = self.entry_table.entry_info_scroll.saturating_sub(1);
+ self.entry_table.entry_info_scroll_state = self
+ .entry_table
+ .entry_info_scroll_state
+ .position(self.entry_table.entry_info_scroll.into());
+ }
+
+ // Search Area
+
+ // Enter the search area
+ pub fn enter_search_area(&mut self) {
+ if let CurrentArea::EntryArea = self.current_area {
+ if let Some(FormerArea::TagArea) = self.former_area {
+ self.search_struct.inner_search = true
+ }
+ self.entry_table.entry_table_at_search_start =
+ self.entry_table.entry_table_items.clone();
+ self.former_area = Some(FormerArea::EntryArea)
+ } else if let CurrentArea::TagArea = self.current_area {
+ self.former_area = Some(FormerArea::TagArea)
+ }
+ self.current_area = CurrentArea::SearchArea
+ }
+
+ // Confirm search: Search former list by pattern
+ pub fn confirm_search(&mut self) {
+ if let Some(FormerArea::EntryArea) = self.former_area {
+ self.current_area = CurrentArea::EntryArea;
+ self.entry_table.entry_table_state.select(Some(0))
+ } else if let Some(FormerArea::TagArea) = self.former_area {
+ self.current_area = CurrentArea::TagArea;
+ self.tag_list.tag_list_state.select(Some(0))
+ }
+ self.former_area = Some(FormerArea::SearchArea);
+ self.search_struct.search_string.clear();
+ self.entry_table.entry_table_at_search_start.clear();
+ }
+
+ // Break search: leave search area without filtering list
+ pub fn break_search(&mut self) {
+ if let Some(FormerArea::EntryArea) = self.former_area {
+ self.current_area = CurrentArea::EntryArea;
+ self.entry_table.entry_table_state.select(Some(0))
+ } else if let Some(FormerArea::TagArea) = self.former_area {
+ self.current_area = CurrentArea::TagArea;
+ self.tag_list.tag_list_state.select(Some(0))
+ }
+ // But keep filtering by tag if applied before entering search area
+ if !self.search_struct.inner_search {
+ self.reset_current_list();
+ }
+ self.former_area = None;
+ // If search is canceled, reset default status of struct
+ self.search_struct.search_string.clear();
+ self.entry_table.entry_table_at_search_start.clear();
+ }
+
+ // Remove last char from search pattern and filter list immidiately
+ pub fn search_pattern_pop(&mut self) {
+ self.search_struct.search_string.pop();
+ if let Some(FormerArea::EntryArea) = self.former_area {
+ self.search_entries();
+ self.filter_tags_by_entries();
+ } else if let Some(FormerArea::TagArea) = self.former_area {
+ self.search_tags();
+ }
+ }
+
+ // Add current char to search pattern and filter list immidiatley
+ pub fn search_pattern_push(&mut self, search_pattern: char) {
+ self.search_struct.search_string.push(search_pattern);
+ if let Some(FormerArea::EntryArea) = self.former_area {
+ self.search_entries();
+ self.filter_tags_by_entries();
+ } else if let Some(FormerArea::TagArea) = self.former_area {
+ self.search_tags();
+ }
+ }
+}
diff --git a/src/tui/command.rs b/src/tui/command.rs
new file mode 100644
index 0000000..9f25f5f
--- /dev/null
+++ b/src/tui/command.rs
@@ -0,0 +1,363 @@
+// 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 crate::bib::entries::EntryTableColumn;
+use crate::bib::search::BibiSearch;
+use crate::tui::app::{App, FormerArea};
+use crate::tui::Tui;
+use color_eyre::eyre::{Context, Ok, Result};
+use core::panic;
+use editor_command::EditorBuilder;
+use ratatui::widgets::ScrollbarState;
+use std::process::{Command, Stdio};
+
+impl App {
+ // Entry Table commands
+
+ // Movement
+ pub fn select_next_entry(&mut self, entries: u16) {
+ self.entry_table.entry_info_scroll = 0;
+ self.entry_table.entry_info_scroll_state =
+ self.entry_table.entry_info_scroll_state.position(0);
+ self.entry_table.entry_table_state.scroll_down_by(entries);
+ self.entry_table.entry_scroll_state = self
+ .entry_table
+ .entry_scroll_state
+ .position(self.entry_table.entry_table_state.selected().unwrap());
+ }
+
+ pub fn select_previous_entry(&mut self, entries: u16) {
+ self.entry_table.entry_info_scroll = 0;
+ self.entry_table.entry_info_scroll_state =
+ self.entry_table.entry_info_scroll_state.position(0);
+ self.entry_table.entry_table_state.scroll_up_by(entries);
+ self.entry_table.entry_scroll_state = self
+ .entry_table
+ .entry_scroll_state
+ .position(self.entry_table.entry_table_state.selected().unwrap());
+ }
+
+ pub fn select_first_entry(&mut self) {
+ self.entry_table.entry_info_scroll = 0;
+ self.entry_table.entry_info_scroll_state =
+ self.entry_table.entry_info_scroll_state.position(0);
+ self.entry_table.entry_table_state.select_first();
+ self.entry_table.entry_scroll_state = self.entry_table.entry_scroll_state.position(0);
+ }
+
+ pub fn select_last_entry(&mut self) {
+ self.entry_table.entry_info_scroll = 0;
+ self.entry_table.entry_info_scroll_state =
+ self.entry_table.entry_info_scroll_state.position(0);
+ self.entry_table.entry_table_state.select_last();
+ self.entry_table.entry_scroll_state = self
+ .entry_table
+ .entry_scroll_state
+ .position(self.entry_table.entry_table_items.len());
+ }
+
+ pub fn select_next_column(&mut self) {
+ match self.entry_table.entry_table_selected_column {
+ EntryTableColumn::Authors => {
+ self.entry_table.entry_table_selected_column = EntryTableColumn::Title;
+ }
+ EntryTableColumn::Title => {
+ self.entry_table.entry_table_selected_column = EntryTableColumn::Year;
+ }
+ EntryTableColumn::Year => {
+ self.entry_table.entry_table_selected_column = EntryTableColumn::Pubtype;
+ }
+ EntryTableColumn::Pubtype => {
+ self.entry_table.entry_table_selected_column = EntryTableColumn::Authors;
+ }
+ }
+ }
+
+ pub fn select_prev_column(&mut self) {
+ match self.entry_table.entry_table_selected_column {
+ EntryTableColumn::Authors => {
+ self.entry_table.entry_table_selected_column = EntryTableColumn::Pubtype;
+ }
+ EntryTableColumn::Title => {
+ self.entry_table.entry_table_selected_column = EntryTableColumn::Authors;
+ }
+ EntryTableColumn::Year => {
+ self.entry_table.entry_table_selected_column = EntryTableColumn::Title;
+ }
+ EntryTableColumn::Pubtype => {
+ self.entry_table.entry_table_selected_column = EntryTableColumn::Year;
+ }
+ }
+ }
+
+ // Get the citekey of the selected entry
+ pub fn get_selected_citekey(&self) -> &str {
+ let idx = self.entry_table.entry_table_state.selected().unwrap();
+ let citekey = &self.entry_table.entry_table_items[idx].citekey;
+ citekey
+ }
+
+ pub fn run_editor(&mut self, tui: &mut Tui) -> Result<()> {
+ // get filecontent and citekey for calculating line number
+ let citekey = self.get_selected_citekey();
+ // create independent copy of citekey for finding entry after updating list
+ let saved_key = citekey.to_owned();
+ let filepath = self.main_biblio.bibfile.display().to_string();
+ let filecontent = self.main_biblio.bibfilestring.clone();
+ let mut line_count = 0;
+
+ for line in filecontent.lines() {
+ line_count = line_count + 1;
+ // if reaching the citekey break the loop
+ // if reaching end of lines without match, reset to 0
+ if line.contains(&citekey) {
+ break;
+ } else if line_count == filecontent.len() {
+ eprintln!(
+ "Citekey {} not found, opening file {} at line 1",
+ &citekey, &filepath
+ );
+ line_count = 0;
+ break;
+ }
+ }
+
+ // Exit TUI to enter editor
+ tui.exit()?;
+ // Use VISUAL or EDITOR. Set "vi" as last fallback
+ let mut cmd: Command = EditorBuilder::new()
+ .environment()
+ .source(Some("vi"))
+ .build()
+ .unwrap();
+ // Prepare arguments to open file at specific line
+ let args: Vec<String> = vec![format!("+{}", line_count), filepath];
+ let status = cmd.args(&args).status()?;
+ if !status.success() {
+ eprintln!("Spawning editor failed with status {}", status);
+ }
+
+ // Enter TUI again
+ tui.enter()?;
+ tui.terminal.clear()?;
+
+ // Update the database and the lists to show changes
+ self.update_lists();
+
+ // Search for entry, selected before editing, by matching citekeys
+ // Use earlier saved copy of citekey to match
+ let mut idx_count = 0;
+ loop {
+ if self.entry_table.entry_table_items[idx_count]
+ .citekey
+ .contains(&saved_key)
+ {
+ break;
+ }
+ idx_count = idx_count + 1
+ }
+
+ // Set selected entry to vec-index of match
+ self.entry_table.entry_table_state.select(Some(idx_count));
+
+ Ok(())
+ }
+
+ // Search entry list
+ pub fn search_entries(&mut self) {
+ // Use snapshot of entry list saved when starting the search
+ // so deleting a char, will show former entries too
+ let orig_list = self.entry_table.entry_table_at_search_start.clone();
+ let filtered_list =
+ BibiSearch::search_entry_list(&mut self.search_struct.search_string, orig_list.clone());
+ self.entry_table.entry_table_items = filtered_list;
+ if self.entry_table.entry_table_reversed_sort {
+ self.entry_table.sort_entry_table(false);
+ }
+ self.entry_table.entry_scroll_state = ScrollbarState::content_length(
+ self.entry_table.entry_scroll_state,
+ self.entry_table.entry_table_items.len(),
+ );
+ }
+
+ // Open file connected with entry through 'file' or 'pdf' field
+ pub fn open_connected_file(&mut self) -> Result<()> {
+ let idx = self.entry_table.entry_table_state.selected().unwrap();
+ let filepath = &self.entry_table.entry_table_items[idx].filepath.clone();
+
+ // Build command to execute pdf-reader. 'xdg-open' is Linux standard
+ let cmd = {
+ match std::env::consts::OS {
+ "linux" => String::from("xdg-open"),
+ "macos" => String::from("open"),
+ "windows" => String::from("start"),
+ _ => panic!("Couldn't detect OS for setting correct opener"),
+ }
+ };
+
+ // Pass filepath as argument, pipe stdout and stderr to /dev/null
+ // to keep the TUI clean (where is it piped on Windows???)
+ let _ = Command::new(&cmd)
+ .arg(&filepath)
+ .stdout(Stdio::null())
+ .stderr(Stdio::null())
+ .spawn()
+ .wrap_err("Opening file not possible");
+
+ Ok(())
+ }
+
+ pub fn open_doi_url(&mut self) -> Result<()> {
+ let idx = self.entry_table.entry_table_state.selected().unwrap();
+ let web_adress = self.entry_table.entry_table_items[idx].doi_url.clone();
+
+ // Resolve strings using the resolving function of dx.doi.org, so the
+ // terminal is not blocked by the resolving process
+ let url = if web_adress.starts_with("10.") {
+ let prefix = "https://doi.org/".to_string();
+ prefix + &web_adress
+ } else if web_adress.starts_with("www.") {
+ let prefix = "https://".to_string();
+ prefix + &web_adress
+ } else {
+ web_adress
+ };
+
+ // Build command to execute browser. 'xdg-open' is Linux standard
+ let cmd = {
+ match std::env::consts::OS {
+ "linux" => String::from("xdg-open"),
+ "macos" => String::from("open"),
+ "windows" => String::from("start"),
+ _ => panic!("Couldn't detect OS for setting correct opener"),
+ }
+ };
+
+ // Pass filepath as argument, pipe stdout and stderr to /dev/null
+ // to keep the TUI clean (where is it piped on Windows???)
+ let _ = Command::new(&cmd)
+ .arg(url)
+ .stdout(Stdio::null())
+ .stderr(Stdio::null())
+ .spawn()
+ .wrap_err("Opening file not possible");
+
+ Ok(())
+ }
+}
+
+impl App {
+ // Tag List commands
+
+ // Movement
+ pub fn select_next_tag(&mut self, keywords: u16) {
+ self.tag_list.tag_list_state.scroll_down_by(keywords);
+ self.tag_list.tag_scroll_state = self
+ .tag_list
+ .tag_scroll_state
+ .position(self.tag_list.tag_list_state.selected().unwrap());
+ }
+
+ pub fn select_previous_tag(&mut self, keywords: u16) {
+ self.tag_list.tag_list_state.scroll_up_by(keywords);
+ self.tag_list.tag_scroll_state = self
+ .tag_list
+ .tag_scroll_state
+ .position(self.tag_list.tag_list_state.selected().unwrap());
+ }
+
+ pub fn select_first_tag(&mut self) {
+ self.tag_list.tag_list_state.select_first();
+ self.tag_list.tag_scroll_state = self.tag_list.tag_scroll_state.position(0);
+ }
+
+ pub fn select_last_tag(&mut self) {
+ self.tag_list.tag_list_state.select_last();
+ self.tag_list.tag_scroll_state = self
+ .tag_list
+ .tag_scroll_state
+ .position(self.tag_list.tag_list_items.len());
+ }
+
+ pub fn get_selected_tag(&self) -> &str {
+ let idx = self.tag_list.tag_list_state.selected().unwrap();
+ let keyword = &self.tag_list.tag_list_items[idx];
+ // let keyword = &self.tag_list.tag_list_items[idx].keyword;
+ keyword
+ }
+
+ pub fn search_tags(&mut self) {
+ let orig_list = &self.main_biblio.keyword_list;
+ let filtered_list =
+ BibiSearch::search_tag_list(&self.search_struct.search_string, orig_list.clone());
+ self.tag_list.tag_list_items = filtered_list;
+ // Update scrollbar length after filtering list
+ self.tag_list.tag_scroll_state = ScrollbarState::content_length(
+ self.tag_list.tag_scroll_state,
+ self.tag_list.tag_list_items.len(),
+ );
+ }
+
+ pub fn filter_tags_by_entries(&mut self) {
+ let mut filtered_keywords: Vec<String> = Vec::new();
+
+ let orig_list = &self.entry_table.entry_table_items;
+
+ for e in orig_list {
+ if !e.keywords.is_empty() {
+ let mut key_vec: Vec<String> = e
+ .keywords
+ .split(',')
+ .map(|s| s.trim().to_string())
+ .filter(|s| !s.is_empty())
+ .collect();
+ filtered_keywords.append(&mut key_vec);
+ }
+ }
+
+ filtered_keywords.sort_by(|a, b| a.to_lowercase().cmp(&b.to_lowercase()));
+ filtered_keywords.dedup();
+
+ self.search_struct.filtered_tag_list = filtered_keywords.clone();
+ self.tag_list.tag_list_items = filtered_keywords;
+ self.tag_list.tag_scroll_state = ScrollbarState::content_length(
+ self.tag_list.tag_scroll_state,
+ self.tag_list.tag_list_items.len(),
+ );
+ }
+
+ // Filter the entry list by tags when hitting enter
+ // If already inside a filtered tag or entry list, apply the filtering
+ // to the already filtered list only
+ pub fn filter_for_tags(&mut self) {
+ let orig_list = &self.entry_table.entry_table_items;
+ let keyword = self.get_selected_tag();
+ let filtered_list = BibiSearch::filter_entries_by_tag(&keyword, &orig_list);
+ // self.tag_list.selected_keyword = keyword.to_string();
+ self.tag_list.selected_keywords.push(keyword.to_string());
+ self.entry_table.entry_table_items = filtered_list;
+ // Update scrollbar state with new lenght of itemlist
+ self.entry_table.entry_scroll_state = ScrollbarState::content_length(
+ self.entry_table.entry_scroll_state,
+ self.entry_table.entry_table_items.len(),
+ );
+ self.filter_tags_by_entries();
+ self.toggle_area();
+ self.entry_table.entry_table_state.select(Some(0));
+ self.former_area = Some(FormerArea::TagArea);
+ }
+}
diff --git a/src/tui/handler.rs b/src/tui/handler.rs
new file mode 100644
index 0000000..5a196b5
--- /dev/null
+++ b/src/tui/handler.rs
@@ -0,0 +1,210 @@
+// 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 crate::tui::app::App;
+use crate::tui::Tui;
+use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
+
+use super::app::CurrentArea;
+use color_eyre::eyre::Result;
+
+/// Handles the key events and updates the state of [`App`].
+pub fn handle_key_events(key_event: KeyEvent, app: &mut App, tui: &mut Tui) -> Result<()> {
+ // Keycodes activated for every area (high priority)
+ match key_event.code {
+ // Exit application on `ESC` or `q`
+ KeyCode::Char('Q') | KeyCode::Char('q') => {
+ app.quit();
+ }
+ // Exit application on `Ctrl-C`
+ KeyCode::Char('c') | KeyCode::Char('C') => {
+ if key_event.modifiers == KeyModifiers::CONTROL {
+ app.quit();
+ }
+ }
+ KeyCode::PageDown => {
+ app.scroll_info_down();
+ }
+ KeyCode::PageUp => {
+ app.scroll_info_up();
+ }
+ _ => {}
+ }
+ // Keycodes for specific areas
+ match app.current_area {
+ // Keycodes for the tag area
+ CurrentArea::TagArea => match key_event.code {
+ KeyCode::Down => {
+ app.select_next_tag(1);
+ }
+ KeyCode::Up => {
+ app.select_previous_tag(1);
+ }
+ KeyCode::Char('j') => {
+ if key_event.modifiers == KeyModifiers::ALT {
+ app.scroll_info_down();
+ } else {
+ app.select_next_tag(1);
+ }
+ }
+ KeyCode::Char('k') => {
+ if key_event.modifiers == KeyModifiers::ALT {
+ app.scroll_info_up();
+ } else {
+ app.select_previous_tag(1);
+ }
+ }
+ KeyCode::Char('d') => {
+ if key_event.modifiers == KeyModifiers::CONTROL {
+ app.select_next_tag(5)
+ }
+ }
+ KeyCode::Char('u') => {
+ if key_event.modifiers == KeyModifiers::CONTROL {
+ app.select_previous_tag(5)
+ }
+ }
+ KeyCode::Char('g') | KeyCode::Home => {
+ app.select_first_tag();
+ }
+ KeyCode::Char('G') | KeyCode::End => {
+ app.select_last_tag();
+ }
+ KeyCode::Char('/') => {
+ app.enter_search_area();
+ }
+ KeyCode::Char('f') | KeyCode::Char('F') => {
+ if key_event.modifiers == KeyModifiers::CONTROL {
+ app.enter_search_area();
+ }
+ }
+ KeyCode::Tab | KeyCode::BackTab => {
+ app.toggle_area();
+ }
+ KeyCode::Esc => {
+ app.reset_current_list();
+ }
+ KeyCode::Enter => {
+ app.filter_for_tags();
+ }
+ _ => {}
+ },
+ // Keycodes for the entry area
+ CurrentArea::EntryArea => match key_event.code {
+ KeyCode::Down => {
+ app.select_next_entry(1);
+ }
+ KeyCode::Up => {
+ app.select_previous_entry(1);
+ }
+ KeyCode::Char('j') => {
+ if key_event.modifiers == KeyModifiers::ALT {
+ app.scroll_info_down();
+ } else {
+ app.select_next_entry(1);
+ }
+ }
+ KeyCode::Char('k') => {
+ if key_event.modifiers == KeyModifiers::ALT {
+ app.scroll_info_up();
+ } else {
+ app.select_previous_entry(1);
+ }
+ }
+ KeyCode::Char('d') => {
+ if key_event.modifiers == KeyModifiers::CONTROL {
+ app.select_next_entry(5);
+ }
+ }
+ KeyCode::Char('u') => {
+ if key_event.modifiers == KeyModifiers::CONTROL {
+ app.select_previous_entry(5);
+ } else {
+ app.open_doi_url()?;
+ }
+ }
+ KeyCode::Char('g') | KeyCode::Home => {
+ app.select_first_entry();
+ }
+ KeyCode::Char('G') | KeyCode::End => {
+ app.select_last_entry();
+ }
+ KeyCode::Char('h') => {
+ app.select_prev_column();
+ }
+ KeyCode::Char('l') => {
+ app.select_next_column();
+ }
+ KeyCode::Char('s') => {
+ app.entry_table.sort_entry_table(true);
+ }
+ KeyCode::Char('y') => {
+ App::yank_text(&app.get_selected_citekey());
+ }
+ KeyCode::Char('e') => {
+ app.run_editor(tui)?;
+ }
+ KeyCode::Char('o') => {
+ app.open_connected_file()?;
+ }
+ KeyCode::Char('/') => {
+ app.enter_search_area();
+ }
+ KeyCode::Char('f') | KeyCode::Char('F') => {
+ if key_event.modifiers == KeyModifiers::CONTROL {
+ app.enter_search_area();
+ }
+ }
+ KeyCode::Tab | KeyCode::BackTab => {
+ app.toggle_area();
+ }
+ KeyCode::Esc => {
+ app.reset_current_list();
+ }
+ _ => {}
+ },
+ // Keycodes for the search area (rendered in footer)
+ CurrentArea::SearchArea => match key_event.code {
+ KeyCode::Esc => {
+ app.break_search();
+ }
+ KeyCode::Enter => {
+ app.confirm_search();
+ }
+ KeyCode::Backspace => {
+ app.search_pattern_pop();
+ }
+ KeyCode::Char(search_pattern) => {
+ app.search_pattern_push(search_pattern);
+ }
+ _ => {}
+ },
+ // Keycodes for the help area (popup)
+ CurrentArea::HelpArea => match key_event.code {
+ KeyCode::Char('q') => {
+ app.quit();
+ }
+ KeyCode::Esc => {
+ app.toggle_area();
+ app.former_area = None;
+ }
+ _ => {}
+ },
+ CurrentArea::InfoArea => {}
+ }
+ Ok(())
+}
diff --git a/src/tui/ui.rs b/src/tui/ui.rs
new file mode 100644
index 0000000..07bc88d
--- /dev/null
+++ b/src/tui/ui.rs
@@ -0,0 +1,637 @@
+// 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 super::app::{CurrentArea, FormerArea};
+use crate::bib::entries::EntryTableColumn;
+use crate::bib::keywords::TagListItem;
+use crate::tui::app::App;
+use ratatui::{
+ buffer::Buffer,
+ layout::{Alignment, Constraint, Layout, Rect},
+ style::{Color, Modifier, Style, Stylize},
+ symbols,
+ text::{Line, Span, Text},
+ widgets::{
+ Block, Borders, Cell, HighlightSpacing, List, ListItem, Padding, Paragraph, Row, Scrollbar,
+ ScrollbarOrientation, StatefulWidget, Table, Widget, Wrap,
+ },
+};
+
+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)
+ .row_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_bottom(
+ Line::from(
+ if box_height > area.height.into()
+ && self.entry_table.entry_info_scroll
+ < box_height as u16 + 2 - area.height
+ {
+ " ▼ "
+ } else {
+ ""
+ },
+ )
+ .alignment(Alignment::Right),
+ )
+ .title_top(
+ Line::from(if scroll_height > 0 { " ▲ " } else { "" })
+ .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);
+ }
+ }
+ }
+}