summaryrefslogtreecommitdiffstats
path: root/src/ui/widgets/tui_dirlist_detailed.rs
blob: ac7da28d4074aa03dee7e5b7d8975a043a43bbe8 (plain)
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
use tui::buffer::Buffer;
use tui::layout::Rect;
use tui::style::{Color, Modifier, Style};
use tui::widgets::Widget;
use unicode_width::UnicodeWidthStr;

use crate::fs::JoshutoDirList;
use crate::util::format;

const FILE_SIZE_WIDTH: usize = 8;

pub struct TuiDirListDetailed<'a> {
    dirlist: &'a JoshutoDirList,
}

impl<'a> TuiDirListDetailed<'a> {
    pub fn new(dirlist: &'a JoshutoDirList) -> Self {
        Self { dirlist }
    }
}

impl<'a> Widget for TuiDirListDetailed<'a> {
    fn draw(&mut self, area: Rect, buf: &mut Buffer) {
        if area.width < 4 || area.height < 1 {
            return;
        }

        let x = area.left();
        let y = area.top();

        let curr_index = match self.dirlist.index {
            Some(i) => i,
            None => {
                let style = Style::default().bg(Color::Red).fg(Color::White);
                buf.set_stringn(x, y, "empty", area.width as usize, style);
                return;
            }
        };

        let skip_dist = curr_index / area.height as usize * area.height as usize;

        let screen_index = if skip_dist > 0 {
            curr_index % skip_dist
        } else {
            curr_index
        };

        let area_width = area.width as usize;
        for (i, entry) in self.dirlist.contents[skip_dist..]
            .iter()
            .enumerate()
            .take(area.height as usize)
        {
            let name = entry.file_name();
            let name_width = name.width();

            let style = if i == screen_index {
                entry.get_style().modifier(Modifier::REVERSED)
            } else {
                entry.get_style()
            };

            let file_type = &entry.metadata.file_type;
            if file_type.is_dir() {
                if name_width <= area_width {
                    buf.set_stringn(x, y + i as u16, name, area_width, style);
                } else {
                    buf.set_stringn(x, y + i as u16, name, area_width - 1, style);
                    buf.set_string(x + area_width as u16 - 1, y + i as u16, "…", style);
                }
            //            } else if file_type.is_symlink() {
            } else {
                if name_width < area_width - FILE_SIZE_WIDTH {
                    buf.set_stringn(x, y + i as u16, name, area_width - FILE_SIZE_WIDTH, style);
                } else {
                    match name.rfind('.') {
                        None => {
                            buf.set_stringn(
                                x,
                                y + i as u16,
                                name,
                                area_width - FILE_SIZE_WIDTH,
                                style,
                            );
                        }
                        Some(p_ind) => {
                            let ext_width = name[p_ind..].width();
                            let file_name_width = area_width - FILE_SIZE_WIDTH - ext_width - 2;

                            buf.set_stringn(
                                x,
                                y + i as u16,
                                &name[..p_ind],
                                file_name_width,
                                style,
                            );
                            buf.set_string(x + file_name_width as u16, y + i as u16, "…", style);
                            buf.set_string(
                                x + file_name_width as u16 + 1,
                                y + i as u16,
                                &name[p_ind..],
                                style,
                            );
                        }
                    }
                }
                let file_size_string = format::file_size_to_string(entry.metadata.len);
                buf.set_string(
                    x + (area_width - FILE_SIZE_WIDTH) as u16,
                    y + i as u16,
                    file_size_string,
                    style,
                );
            }
        }
    }
}