Refactor ui structure; Implement scrolling and proper element highlighting

src/app.rs

@@ -0,0 +1,194 @@
+use ratatui::{crossterm::event::KeyCode, widgets::ListState};
+use serde::{Deserialize, Serialize};
+
+use crate::snowballing::Publication;
+
+#[derive(Serialize, Deserialize, Default, PartialEq)]
+pub enum ActivePane {
+    IncludedPublications,
+    #[default]
+    PendingPublications,
+}
+
+#[derive(Serialize, Deserialize, Default)]
+pub enum SnowballingStep {
+    #[default]
+    Forward,
+    Backward,
+}
+
+impl ToString for SnowballingStep {
+    fn to_string(&self) -> String {
+        match self {
+            SnowballingStep::Forward => String::from("forward"),
+            SnowballingStep::Backward => String::from("backward"),
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+struct SerializableListState {
+    pub offset: usize,
+    pub selected: Option<usize>,
+}
+
+pub mod liststate_serde {
+    use serde::{Deserializer, Serializer};
+
+    use super::*;
+
+    pub fn serialize<S>(
+        state: &ListState,
+        serializer: S,
+    ) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let surrogate = SerializableListState {
+            offset: state.offset(),
+            selected: state.selected(),
+        };
+        surrogate.serialize(serializer)
+    }
+
+    pub fn deserialize<'de, D>(deserializer: D) -> Result<ListState, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let s = SerializableListState::deserialize(deserializer)?;
+        Ok(ListState::default()
+            .with_offset(s.offset)
+            .with_selected(s.selected))
+    }
+}
+
+#[derive(Serialize, Deserialize, Default)]
+pub struct App {
+    /// List of Publications that have been conclusively included
+    pub included_publications: Vec<Publication>,
+
+    /// List of Publications pending screening
+    pub pending_publications: Vec<Publication>,
+
+    /// List of Publications that have been conclusively excluded
+    pub excluded_publications: Vec<Publication>,
+
+    /// UI state: included publications list
+    #[serde(with = "liststate_serde")]
+    pub included_list_state: ListState,
+
+    /// UI state: pending publications list
+    #[serde(with = "liststate_serde")]
+    pub pending_list_state: ListState,
+
+    /// UI state: active pane
+    #[serde(skip)]
+    pub active_pane: ActivePane,
+
+    pub snowballing_iteration: usize,
+
+    pub snowballing_step: SnowballingStep,
+
+    #[serde(skip)]
+    pub should_quit: bool,
+}
+
+// TODO: Implement exclusion and inclusion of papers (e.g., X and Y chars)
+// TODO: Implement moving through steps and iterations (populating pending papers)
+// TODO: Implement input of seed papers using IDs
+// TODO: Implement possibility of pushing excluded papers back into pending
+// TODO: Implement export of included papers as csv for keywording with a spreadsheet
+// TODO: Implement export of included papers into zotero (Use RIS format somehow)
+impl App {
+    pub fn handle_key(&mut self, key: KeyCode) {
+        match key {
+            KeyCode::Char('q') => {
+                self.should_quit = true;
+            }
+            KeyCode::Enter => match self.active_pane {
+                ActivePane::IncludedPublications => {
+                    if let Some(idx) = self.included_list_state.selected() {
+                        open::that(&self.included_publications[idx].id)
+                            .unwrap();
+                    }
+                }
+                ActivePane::PendingPublications => {
+                    if let Some(idx) = self.pending_list_state.selected() {
+                        open::that(&self.pending_publications[idx].id).unwrap();
+                    }
+                }
+            },
+            KeyCode::Char('j') => match self.active_pane {
+                ActivePane::IncludedPublications => {
+                    let i = match self.included_list_state.selected() {
+                        Some(i) => {
+                            if i >= self.included_publications.len() - 1 {
+                                0
+                            } else {
+                                i + 1
+                            }
+                        }
+                        None => 0,
+                    };
+                    self.included_list_state.select(Some(i));
+                }
+                ActivePane::PendingPublications => {
+                    let i = match self.pending_list_state.selected() {
+                        Some(i) => {
+                            if i >= self.pending_publications.len() - 1 {
+                                0
+                            } else {
+                                i + 1
+                            }
+                        }
+                        None => 0,
+                    };
+                    self.pending_list_state.select(Some(i));
+                }
+            },
+            KeyCode::Char('k') => match self.active_pane {
+                ActivePane::IncludedPublications => {
+                    let i = match self.included_list_state.selected() {
+                        Some(i) => {
+                            if i == 0 {
+                                self.included_publications.len() - 1
+                            } else {
+                                i - 1
+                            }
+                        }
+                        None => 0,
+                    };
+                    self.included_list_state.select(Some(i));
+                }
+                ActivePane::PendingPublications => {
+                    let i = match self.pending_list_state.selected() {
+                        Some(i) => {
+                            if i == 0 {
+                                self.pending_publications.len() - 1
+                            } else {
+                                i - 1
+                            }
+                        }
+                        None => 0,
+                    };
+                    self.pending_list_state.select(Some(i));
+                }
+            },
+            KeyCode::Char('h') => {
+                self.active_pane = ActivePane::IncludedPublications;
+
+                if let None = self.included_list_state.selected() {
+                    self.included_list_state.select(Some(0));
+                }
+            }
+            KeyCode::Char('l') => {
+                self.active_pane = ActivePane::PendingPublications;
+
+                if let None = self.pending_list_state.selected() {
+                    self.pending_list_state.select(Some(0));
+                }
+            }
+            _ => {}
+        }
+    }
+}

src/crossterm.rs

@@ -0,0 +1,85 @@
+use std::{error::Error, io, time::Duration};
+
+use ratatui::{
+    Terminal,
+    backend::{Backend, CrosstermBackend},
+    crossterm::{
+        event::{self, DisableMouseCapture, EnableMouseCapture, Event},
+        execute,
+        terminal::{
+            EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode,
+            enable_raw_mode,
+        },
+    },
+};
+
+use crate::{app::App, ui};
+
+pub fn run(app: App) -> Result<(), Box<dyn Error>> {
+    // setup terminal
+    enable_raw_mode()?;
+    let mut stdout = io::stdout();
+    execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
+    let backend = CrosstermBackend::new(stdout);
+    let mut terminal = Terminal::new(backend)?;
+
+    // create app and run it
+    let app_result = run_app(&mut terminal, app);
+
+    // restore terminal
+    disable_raw_mode()?;
+    execute!(
+        terminal.backend_mut(),
+        LeaveAlternateScreen,
+        DisableMouseCapture
+    )?;
+    terminal.show_cursor()?;
+
+    if let Err(err) = app_result {
+        println!("{err:?}");
+    }
+
+    Ok(())
+}
+
+// TODO: Implement save on quit
+fn run_app<B: Backend>(
+    terminal: &mut Terminal<B>,
+    mut app: App,
+) -> io::Result<()>
+where
+    io::Error: From<B::Error>,
+{
+    loop {
+        terminal.draw(|frame| ui::draw(frame, &mut app))?;
+
+        if event::poll(Duration::from_millis(10))? {
+            if let Event::Key(key) = event::read()? {
+                app.handle_key(key.code);
+            }
+        }
+
+        if app.should_quit {
+            return Ok(());
+        }
+    }
+}
+
+// pub fn run_app<B: Backend>(
+//     terminal: &mut Terminal<B>,
+//     mut app: App,
+// ) -> io::Result<App>
+// where
+//     io::Error: From<B::Error>,
+// {
+//     loop {
+//         terminal.draw(|f| ui(f, &app))?;
+//
+//         if let Event::Key(key) = event::read()? {
+//             app.handle_key(key.code);
+//             if app.should_quit {
+//                 return Ok(app);
+//             }
+//         }
+//     }
+// }

src/gui.rs

@@ -1,330 +0,0 @@
-use ratatui::{
-    crossterm::event::{self, Event, KeyCode},
-    prelude::*,
-    widgets::{Block, Borders, List, ListItem},
-};
-use serde::{Deserialize, Serialize};
-use std::io;
-
-use crate::snowballing::{Publication, reconstruct_abstract};
-
-#[derive(Serialize, Deserialize, Default)]
-enum ActivePane {
-    #[default]
-    IncludedPublications,
-    PendingPublications,
-}
-
-#[derive(Serialize, Deserialize, Default)]
-enum SnowballingStep {
-    #[default]
-    Forward,
-    Backward,
-}
-
-impl ToString for SnowballingStep {
-    fn to_string(&self) -> String {
-        match self {
-            SnowballingStep::Forward => String::from("forward"),
-            SnowballingStep::Backward => String::from("backward"),
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize, Default)]
-pub struct App {
-    /// List of Publications that have been conclusively included
-    pub included_publications: Vec<Publication>,
-    /// List of Publications pending screening
-    pub pending_publications: Vec<Publication>,
-    /// List of Publications that have been conclusively excluded
-    pub excluded_publications: Vec<Publication>,
-    /// Index of the selected item in the included publications list (UI)
-    pub included_selected_idx: usize,
-    /// Index of the selected item in the pending publications list (UI)
-    pub pending_selected_idx: usize,
-    pub active_pane: ActivePane,
-    pub snowballing_iteration: usize,
-    pub snowballing_step: SnowballingStep,
-    pub should_quit: bool,
-}
-
-// TODO: The whole architecture of the app may be a bit unusual. Compare with
-// example on https://ratatui.rs/examples/widgets/scrollbar/
-// TODO: Implement exclusion and inclusion of papers (e.g., X and Y chars)
-// TODO: Implement moving through steps and iterations (populating pending papers)
-// TODO: Implement input of seed papers using IDs
-// TODO: Implement possibility of pushing excluded papers back into pending
-// TODO: Implement export of included papers as csv for keywording with a spreadsheet
-// TODO: Implement export of included papers into zotero (Use RIS format somehow)
-impl App {
-    fn handle_key(&mut self, key: KeyCode) {
-        match key {
-            KeyCode::Char('q') => {
-                self.should_quit = true;
-            }
-            KeyCode::Enter => match self.active_pane {
-                ActivePane::IncludedPublications => {
-                    open::that(
-                        &self.included_publications[self.included_selected_idx]
-                            .id,
-                    )
-                    .unwrap();
-                }
-                ActivePane::PendingPublications => {
-                    open::that(
-                        &self.pending_publications[self.pending_selected_idx]
-                            .id,
-                    )
-                    .unwrap();
-                }
-            },
-            KeyCode::Char('h') => {
-                self.active_pane = ActivePane::IncludedPublications;
-            }
-            KeyCode::Char('l') => {
-                self.active_pane = ActivePane::PendingPublications;
-            }
-            KeyCode::Char('k') => match self.active_pane {
-                ActivePane::IncludedPublications => {
-                    if self.included_selected_idx > 0 {
-                        self.included_selected_idx -= 1;
-                    }
-                }
-                ActivePane::PendingPublications => {
-                    if self.pending_selected_idx > 0 {
-                        self.pending_selected_idx -= 1;
-                    }
-                }
-            },
-            KeyCode::Char('j') => match self.active_pane {
-                ActivePane::IncludedPublications => {
-                    if self.included_selected_idx
-                        < self.included_publications.len().saturating_sub(1)
-                    {
-                        self.included_selected_idx += 1;
-                    }
-                }
-                ActivePane::PendingPublications => {
-                    if self.pending_selected_idx
-                        < self.pending_publications.len().saturating_sub(1)
-                    {
-                        self.pending_selected_idx += 1;
-                    }
-                }
-            },
-            _ => {}
-        }
-    }
-}
-
-pub fn run_app<B: Backend>(
-    terminal: &mut Terminal<B>,
-    mut app: App,
-) -> io::Result<App>
-where
-    io::Error: From<B::Error>,
-{
-    loop {
-        terminal.draw(|f| ui(f, &app))?;
-
-        if let Event::Key(key) = event::read()? {
-            app.handle_key(key.code);
-            if app.should_quit {
-                return Ok(app);
-            }
-        }
-    }
-}
-
-// TODO: Implement scrolling. See
-//https://ratatui.rs/examples/widgets/scrollbar/
-fn ui(f: &mut Frame, app: &App) {
-    // Root layout
-
-    let panes = Layout::default()
-        .direction(Direction::Horizontal)
-        .constraints([Constraint::Percentage(25), Constraint::Percentage(75)])
-        .split(f.area());
-
-    // Left pane
-
-    let left_pane = Layout::default()
-        .direction(Direction::Vertical)
-        .constraints([Constraint::Min(10), Constraint::Length(2)])
-        .split(panes[0]);
-
-    let included_pubs: Vec<ListItem> = app
-        .included_publications
-        .iter()
-        .enumerate()
-        .map(|(idx, item)| {
-            let style = if idx == app.included_selected_idx
-                && matches!(app.active_pane, ActivePane::IncludedPublications)
-            {
-                Style::default().bg(Color::Rgb(50, 50, 50))
-            } else {
-                Style::default()
-            };
-
-            let mut author_str = item
-                .authorships
-                .first()
-                .map(|authorship| authorship.raw_author_name.clone())
-                .expect(
-                    "Papers are required to always have at least one author",
-                );
-
-            if item.authorships.len() > 1 {
-                author_str.push_str(" et al.");
-            }
-
-            ListItem::new(vec![
-                Line::from(vec![
-                    Span::raw(
-                        item.display_name.clone().unwrap_or("".to_string()),
-                    ),
-                    Span::styled(
-                        format!(
-                            " ({})",
-                            item.publication_year
-                                .map_or("".to_string(), |val| val.to_string())
-                        ),
-                        Style::default().fg(Color::Yellow),
-                    ),
-                ]),
-                Line::from(Span::styled(
-                    author_str,
-                    Style::default().fg(Color::Blue),
-                )),
-            ])
-            .style(style)
-        })
-        .collect();
-
-    let num_included_pubs = included_pubs.len();
-    let included_pub_list = List::new(included_pubs)
-        .block(
-            Block::default()
-                .title_top(Line::from("Included Publications").centered())
-                .title_top(
-                    Line::from(Span::styled(
-                        format!("{} entries", num_included_pubs),
-                        Style::default().fg(Color::Yellow),
-                    ))
-                    .right_aligned(),
-                )
-                .borders(Borders::ALL),
-        )
-        .style(Style::default());
-
-    f.render_widget(included_pub_list, left_pane[0]);
-
-    let status = vec![
-        Line::from(vec![
-            Span::raw("Iteration: "),
-            Span::styled(
-                app.snowballing_iteration.to_string(),
-                Style::default().fg(Color::Cyan),
-            ),
-        ]),
-        Line::from(vec![
-            Span::raw("Step: "),
-            Span::styled(
-                app.snowballing_step.to_string(),
-                Style::default().fg(Color::Yellow),
-            ),
-        ]),
-    ];
-
-    let status_widget =
-        ratatui::widgets::Paragraph::new(status).style(Style::default());
-    f.render_widget(status_widget, left_pane[1]);
-
-    // Right pane
-
-    let pending_pubs: Vec<ListItem> = app
-        .pending_publications
-        .iter()
-        .enumerate()
-        .map(|(idx, item)| {
-            let style = if idx == app.pending_selected_idx
-                && matches!(app.active_pane, ActivePane::PendingPublications)
-            {
-                Style::default().bg(Color::Rgb(50, 50, 50))
-            } else {
-                Style::default()
-            };
-
-            let mut author_str = item
-                .authorships
-                .first()
-                .map(|authorship| authorship.raw_author_name.clone())
-                .expect(
-                    "Papers are required to always have at least one author",
-                );
-
-            if item.authorships.len() > 1 {
-                author_str.push_str(" et al.");
-            }
-
-            let mut lines = vec![
-                Line::from(vec![
-                    Span::raw(
-                        item.display_name.clone().unwrap_or("".to_string()),
-                    ),
-                    Span::styled(
-                        format!(
-                            " ({})",
-                            item.publication_year
-                                .map_or("".to_string(), |val| val.to_string())
-                        ),
-                        Style::default().fg(Color::Yellow),
-                    ),
-                ]),
-                Line::from(Span::styled(
-                    author_str,
-                    Style::default().fg(Color::Blue),
-                )),
-            ];
-
-            let available_width = panes[1].width.saturating_sub(4) as usize; // subtract for borders/padding
-
-            let abstract_text = item
-                .abstract_inverted_index
-                .clone()
-                .map_or("[No abstact available]".to_string(), |content| {
-                    reconstruct_abstract(&content)
-                });
-            let wrapped = textwrap::fill(
-                &abstract_text,
-                available_width.saturating_sub(2),
-            );
-            for wrapped_line in wrapped.lines() {
-                lines.push(Line::from(format!("  {}", wrapped_line)));
-            }
-
-            ListItem::new(lines).style(style)
-        })
-        .collect();
-
-    let num_pending_pubs = pending_pubs.len();
-    let pengind_pub_list = List::new(pending_pubs)
-        .block(
-            Block::default()
-                .title_top(
-                    Line::from("Publications Pending Screening").centered(),
-                )
-                .title_top(
-                    Line::from(Span::styled(
-                        format!("{} entries", num_pending_pubs),
-                        Style::default().fg(Color::Yellow),
-                    ))
-                    .right_aligned(),
-                )
-                .borders(Borders::ALL),
-        )
-        .style(Style::default());
-
-    f.render_widget(pengind_pub_list, panes[1]);
-}

src/main.rs

@@ -1,30 +1,27 @@
-use std::io;
-
-use ratatui::Terminal;
-use ratatui::crossterm::{
-    execute,
-    terminal::{
-        EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode,
-        enable_raw_mode,
-    },
-};
-use ratatui::prelude::CrosstermBackend;
 use serde_json;
 
-mod gui;
+mod app;
-use crate::gui::{App, run_app};
+mod ui;
-use crate::snowballing::get_citing_papers;
+use crate::app::App;
 mod snowballing;
 
-use clap::Parser;
+// use crate::snowballing::get_citing_papers;
-
+// #[tokio::main]
-#[derive(Parser)]
+// async fn main() -> Result<(), reqwest::Error> {
-#[command(name = "Brittling")]
+//     let publications = get_citing_papers("w2963127785", "an.tsouchlos@gmail.com").await?;
-#[command(about = "A tool to perform snowballing for literature studies", long_about = None)]
+//
-struct Args {
+//     let app = App {
-    #[arg(short, long)]
+//         pending_publications: publications,
-    savefile: String,
+//         ..Default::default()
-}
+//     };
+//
+//     if let Ok(serialized) = serde_json::to_string_pretty(&app) {
+//         std::fs::write("temp.json", serialized)
+//             .expect("We can't really deal with io errors ourselves");
+//     }
+//
+//     Ok(())
+// }
 
 fn load_savefile(filename: &String) -> Result<App, serde_json::Error> {
     match std::fs::read_to_string(filename) {
@@ -43,84 +40,23 @@ fn load_savefile(filename: &String) -> Result<App, serde_json::Error> {
     }
 }
 
-#[derive(Debug)]
+use clap::Parser;
-enum Error {
+mod crossterm;
-    IOError(std::io::Error),
+use std::error::Error;
-    JsonError(serde_json::Error),
+
+#[derive(Parser)]
+#[command(name = "Brittling")]
+#[command(about = "A tool to perform snowballing for literature studies", long_about = None)]
+struct Args {
+    #[arg(short, long)]
+    savefile: String,
 }
 
-impl From<std::io::Error> for Error {
+fn main() -> Result<(), Box<dyn Error>> {
-    fn from(value: std::io::Error) -> Self {
-        Error::IOError(value)
-    }
-}
-
-impl From<serde_json::Error> for Error {
-    fn from(value: serde_json::Error) -> Self {
-        Error::JsonError(value)
-    }
-}
-
-// TODO: The whole initialization and deinitialization and use of crossterm
-// might be unnecessary. Compare with example on
-// https://ratatui.rs/examples/widgets/scrollbar/
-fn main() -> io::Result<()> {
     let args = Args::parse();
+    let app = load_savefile(&args.savefile)?;
 
-    // <Init terminal>
+    crate::crossterm::run(app)?;
-    enable_raw_mode()?;
-    let mut stdout = io::stdout();
-    execute!(stdout, EnterAlternateScreen)?;
-    // </Init terminal>
-
-    let backend = CrosstermBackend::new(stdout);
-    let mut terminal = Terminal::new(backend)?;
-
-    let mut err: Option<Error> = None;
-
-    let app = load_savefile(&args.savefile);
-    if let Ok(app) = app {
-        let result = run_app(&mut terminal, app);
-
-        match result {
-            Ok(app) => match serde_json::to_string_pretty(&app) {
-                Ok(serialized) => std::fs::write(args.savefile, serialized)?,
-                Err(ser_err) => err = Some(ser_err.into()),
-            },
-            Err(app_err) => {
-                err = Some(app_err.into());
-            }
-        }
-    } else {
-        err = Some(app.err().unwrap().into());
-    }
-
-    // <Deinit terminal>
-    disable_raw_mode()?;
-    execute!(terminal.backend_mut(), LeaveAlternateScreen)?;
-    terminal.show_cursor()?;
-    // </Deinit terminal>
-
-    if let Some(err) = err {
-        eprintln!("{:?}", err);
-    }
 
     Ok(())
 }
-
-// #[tokio::main]
-// async fn main() -> Result<(), reqwest::Error> {
-//     let publications = get_citing_papers("w2963127785", "an.tsouchlos@gmail.com").await?;
-//
-//     let app = App {
-//         pending_publications: publications,
-//         ..Default::default()
-//     };
-//
-//     if let Ok(serialized) = serde_json::to_string_pretty(&app) {
-//         std::fs::write("temp.json", serialized)
-//             .expect("We can't really deal with io errors ourselves");
-//     }
-//
-//     Ok(())
-// }

src/snowballing.rs

@@ -1,7 +1,7 @@
 use ammonia::Builder;
 use reqwest::Error;
 use serde::{Deserialize, Serialize};
-use std::collections::HashMap;
+use std::{collections::HashMap};
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct Authorship {
@@ -20,33 +20,59 @@ pub struct Publication {
     pub referenced_works: Vec<String>,
 }
 
+impl Publication {
+    pub fn get_title(&self) -> Option<String> {
+        self.display_name.clone()
+    }
+
+    pub fn get_year(&self) -> Option<u32> {
+        self.publication_year
+    }
+
+    pub fn get_author_text(&self) -> String {
+        let mut author_str = self
+            .authorships
+            .first()
+            .map(|authorship| authorship.raw_author_name.clone())
+            .expect("Papers are required to always have at least one author");
+
+        if self.authorships.len() > 1 {
+            author_str.push_str(" et al.");
+        }
+
+        author_str
+    }
+
+    pub fn get_abstract(&self) -> Option<String> {
+        self.abstract_inverted_index.clone().map(|content| {
+            let mut words_with_pos: Vec<(u32, &String)> = Vec::new();
+
+            for (word, positions) in &content {
+                for pos in positions {
+                    words_with_pos.push((*pos, word));
+                }
+            }
+
+            words_with_pos.sort_by_key(|k| k.0);
+
+            let unsanitized = words_with_pos
+                .into_iter()
+                .map(|(_, word)| word.as_str())
+                .collect::<Vec<_>>()
+                .join(" ");
+
+            let cleaner = Builder::empty();
+            let sanitized = cleaner.clean(&unsanitized).to_string();
+            sanitized.replace("\u{a0}", " ").trim().to_string()
+        })
+    }
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 pub struct OpenAlexResponse {
     pub results: Vec<Publication>,
 }
 
-pub fn reconstruct_abstract(inverted_index: &HashMap<String, Vec<u32>>) -> String {
-    let mut words_with_pos: Vec<(u32, &String)> = Vec::new();
-
-    for (word, positions) in inverted_index {
-        for &pos in positions {
-            words_with_pos.push((pos, word));
-        }
-    }
-
-    words_with_pos.sort_by_key(|k| k.0);
-
-    let unsanitized = words_with_pos
-        .into_iter()
-        .map(|(_, word)| word.as_str())
-        .collect::<Vec<_>>()
-        .join(" ");
-
-    let cleaner = Builder::empty();
-    let sanitized = cleaner.clean(&unsanitized).to_string();
-    sanitized.replace("\u{a0}", " ").trim().to_string()
-}
-
 // TODO: Get all papers, not just the first page
 pub async fn get_citing_papers(
     target_id: &str,

src/ui.rs

@@ -0,0 +1,192 @@
+use std::fmt::format;
+
+use crate::{
+    app::{ActivePane, App},
+    snowballing::Publication,
+};
+use ratatui::{
+    Frame,
+    layout::{Constraint, Direction, Layout, Rect},
+    style::{
+        Color, Modifier, Style, Stylize, palette::material::AccentedPalette,
+    },
+    text::{Line, Span},
+    widgets::{
+        Block, Borders, List, ListItem, Scrollbar, ScrollbarOrientation,
+        ScrollbarState,
+    },
+};
+
+pub fn draw(f: &mut Frame, app: &mut App) {
+    let chunks = Layout::default()
+        .direction(Direction::Horizontal)
+        .constraints([Constraint::Percentage(25), Constraint::Percentage(75)])
+        .split(f.area());
+
+    draw_left_pane(f, app, chunks[0]);
+    draw_right_pane(f, app, chunks[1]);
+}
+
+fn create_publication_item_list(
+    publications: &Vec<Publication>,
+    selected_idx: Option<usize>,
+    available_width: usize,
+    show_abstract: bool,
+) -> Vec<ListItem<'_>> {
+    publications
+        .iter()
+        .enumerate()
+        .map(|(idx, publ)| {
+            let is_selected = Some(idx) == selected_idx;
+
+            let (border_char, border_style) = if is_selected {
+                (
+                    "┃ ",
+                    Style::default()
+                        .fg(Color::Gray)
+                        .add_modifier(Modifier::BOLD),
+                )
+            } else {
+                ("  ", Style::default())
+            };
+
+            let mut lines = vec![
+                Line::from(vec![
+                    Span::styled(border_char, border_style),
+                    Span::raw(format!("[{}] ", idx + 1)),
+                    Span::raw(
+                        publ.get_title()
+                            .unwrap_or("[No title available]".to_string()),
+                    ),
+                    Span::styled(
+                        format!(
+                            " ({})",
+                            publ.publication_year
+                                .map_or("".to_string(), |val| val.to_string())
+                        ),
+                        Style::default().fg(Color::Yellow),
+                    ),
+                ]),
+                Line::from(vec![
+                    Span::styled(border_char, border_style),
+                    Span::styled(
+                        publ.get_author_text(),
+                        Style::default().fg(Color::Blue),
+                    ),
+                ]),
+            ];
+
+            if show_abstract {
+                let wrapped = textwrap::fill(
+                    &publ
+                        .get_abstract()
+                        .unwrap_or("[No abstract available]".to_string()),
+                    available_width.saturating_sub(2),
+                );
+                for wrapped_line in wrapped.lines() {
+                    lines.push(Line::from(vec![
+                        Span::styled(border_char, border_style),
+                        Span::raw(format!("  {}", wrapped_line)),
+                    ]));
+                }
+            }
+
+            if is_selected {
+                lines = lines
+                    .iter()
+                    .map(|line| line.clone().add_modifier(Modifier::BOLD))
+                    .collect();
+            }
+
+            ListItem::new(lines)
+        })
+        .collect()
+}
+
+fn draw_left_pane(frame: &mut Frame, app: &mut App, area: Rect) {
+    let chunks = Layout::default()
+        .direction(Direction::Vertical)
+        .constraints([Constraint::Min(10), Constraint::Length(2)])
+        .split(area);
+
+    // Included Publication list
+
+    let items = create_publication_item_list(
+        &app.included_publications,
+        if app.active_pane == ActivePane::IncludedPublications {
+            app.included_list_state.selected()
+        } else {
+            None
+        },
+        chunks[0].width.saturating_sub(4) as usize,
+        false,
+    );
+
+    let list = List::new(items).block(
+        Block::default()
+            .title_top(Line::from("Included Publications").centered())
+            .title_top(
+                Line::from(Span::styled(
+                    format!("{} entries", app.included_publications.len()),
+                    Style::default().fg(Color::Yellow),
+                ))
+                .right_aligned(),
+            )
+            .borders(Borders::ALL),
+    );
+
+    frame.render_stateful_widget(list, chunks[0], &mut app.included_list_state);
+
+    // Snowballing status
+
+    let status = vec![
+        Line::from(vec![
+            Span::raw("Iteration: "),
+            Span::styled(
+                app.snowballing_iteration.to_string(),
+                Style::default().fg(Color::Cyan),
+            ),
+        ]),
+        Line::from(vec![
+            Span::raw("Step: "),
+            Span::styled(
+                app.snowballing_step.to_string(),
+                Style::default().fg(Color::Yellow),
+            ),
+        ]),
+    ];
+
+    let status_widget =
+        ratatui::widgets::Paragraph::new(status).style(Style::default());
+    frame.render_widget(status_widget, chunks[1]);
+}
+
+fn draw_right_pane(frame: &mut Frame, app: &mut App, area: Rect) {
+    // Included Publication list
+
+    let items = create_publication_item_list(
+        &app.included_publications,
+        if app.active_pane == ActivePane::PendingPublications {
+            app.pending_list_state.selected()
+        } else {
+            None
+        },
+        area.width.saturating_sub(4) as usize,
+        true,
+    );
+
+    let list = List::new(items).block(
+        Block::default()
+            .title_top(Line::from("Publications Pending Screening").centered())
+            .title_top(
+                Line::from(Span::styled(
+                    format!("{} entries", app.pending_publications.len()),
+                    Style::default().fg(Color::Yellow),
+                ))
+                .right_aligned(),
+            )
+            .borders(Borders::ALL),
+    );
+
+    frame.render_stateful_widget(list, area, &mut app.pending_list_state);
+}