joshuto 0.9.6

Terminal file manager inspired by ranger
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136

use std::fs::File;
use std::io::Write;
use std::path;

use ratatui::layout::Rect;
use ratatui::widgets::Clear;
use termion::event::Event;

use crate::config::raw::bookmarks::{BookmarkRaw, BookmarksRaw};
use crate::config::search_directories;
use crate::context::AppContext;
use crate::error::AppResult;
use crate::event::{process_event, AppEvent};
use crate::traits::ToString;
use crate::ui::views::TuiView;
use crate::ui::widgets::TuiMenu;
use crate::ui::AppBackend;
use crate::util::unix;

use crate::{BOOKMARKS_FILE, BOOKMARKS_T, CONFIG_HIERARCHY};

use super::change_directory::change_directory;

fn find_bookmark_file() -> Option<path::PathBuf> {
    for p in CONFIG_HIERARCHY.iter() {
        if p.exists() {
            return Some(p.clone());
        }
    }
    None
}

pub fn add_bookmark(context: &mut AppContext, backend: &mut AppBackend) -> AppResult {
    let cwd = std::env::current_dir()?;

    let bookmark_path = match search_directories(BOOKMARKS_FILE, &CONFIG_HIERARCHY) {
        Some(file_path) => Some(file_path),
        None => find_bookmark_file(),
    };

    if let Some(bookmark_path) = bookmark_path {
        let key = poll_for_bookmark_key(context, backend);
        if let Some(key) = key {
            if let Ok(mut bookmark) = BOOKMARKS_T.lock() {
                bookmark.insert(key, cwd.to_string_lossy().to_string());
            }
            let new_bookmarks_vec: Vec<BookmarkRaw> = BOOKMARKS_T
                .lock()
                .unwrap()
                .clone()
                .drain()
                .map(|(k, v)| BookmarkRaw {
                    key: k.to_string(),
                    path: v,
                })
                .collect();
            let bookmarks_raw = BookmarksRaw {
                bookmark: new_bookmarks_vec,
            };

            if let Ok(content) = toml::to_string(&bookmarks_raw) {
                let mut file = File::create(bookmark_path)?;
                file.write_all(content.as_bytes())?;
            }
        }
    }

    Ok(())
}

pub fn change_directory_bookmark(context: &mut AppContext, backend: &mut AppBackend) -> AppResult {
    let key = poll_for_bookmark_key(context, backend);

    if let Some(key) = key {
        if let Ok(bookmarks) = BOOKMARKS_T.lock() {
            if let Some(p) = bookmarks.get(&key) {
                let path = unix::expand_shell_string(p);
                change_directory(context, &path)?;
            }
        }
    }
    Ok(())
}

fn poll_for_bookmark_key(context: &mut AppContext, backend: &mut AppBackend) -> Option<Event> {
    context.flush_event();

    let mut bookmarks: Vec<String> = BOOKMARKS_T
        .lock()
        .unwrap()
        .iter()
        .map(|(k, v)| format!("    {}    {:?}", k.to_string(), v))
        .collect();
    bookmarks.sort();
    let bookmarks_str: Vec<&str> = bookmarks.iter().map(|s| s.as_str()).collect();

    let terminal = backend.terminal_mut();
    loop {
        let _ = terminal.draw(|frame| {
            let area = frame.size();
            if area.height < 5 {
                return;
            }
            // redraw view
            {
                let mut view = TuiView::new(context);
                view.show_bottom_status = false;
                frame.render_widget(view, area);
            }

            let menu_widget = TuiMenu::new(bookmarks_str.as_slice());
            let menu_len = menu_widget.len();
            let menu_y = if menu_len + 1 > area.height as usize {
                0
            } else {
                (area.height as usize - menu_len - 1) as u16
            };

            let menu_rect = Rect {
                x: 0,
                y: menu_y - 1,
                width: area.width,
                height: menu_len as u16 + 1,
            };
            frame.render_widget(Clear, menu_rect);
            frame.render_widget(menu_widget, menu_rect);
        });

        if let Ok(event) = context.poll_event() {
            match event {
                AppEvent::Termion(key) => return Some(key),
                event => process_event::process_noninteractive(event, context),
            };
        }
    }
}