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

const FILLED: &str = "=";
const EMPTY: &str = "-";
const START: &str = "[";
const END: &str = "]";
const UNIT: &str = "%";

/// A simple progress bar implementation, based off that of
/// the progress crates progresbar
pub struct SimpleBar {
    job_name: String,
    precentage: usize,
    finished: bool,
}

impl crate::IsBar for SimpleBar {
    type Progress = usize;
    type Args = ();

    fn new(name: String, _: ()) -> Self {
        Self {
            job_name: name
                .chars()
                .filter(|ch| ch != &'\n' || ch != &'\r')
                .collect(),
            precentage: 0,
            finished: false,
        }
    }

    fn done(&mut self) {
        self.finished = true;
    }

    fn is_done(&self) -> bool {
        self.finished
    }

    fn set_progress(&mut self, progress: Self::Progress) {
        self.precentage = progress;
    }

    fn set_name(&mut self, job_name: String) {
        self.job_name = job_name;
    }

    /// Some implementation details:
    ///
    /// starts with "\r" and has no end char
    ///
    ///  if it cannot get the real term size, uses 81 as the size
    fn display(&mut self) -> String {
        //TODO make this not use default
        let width = crate::utils::term_width().unwrap_or(81) as i32;

        let mut res =
            String::with_capacity(width as usize /* starts out as a u16, so its fine */);

        let overhead = self.precentage / 100;
        let left_percentage = self.precentage - overhead * 100;
        let bar_len = width - (50 + 5) - 2;
        let bar_finished_len = ((bar_len as f32) * (left_percentage as f32 / 100.0)) as i32;
        let filled_symbol = if overhead & 0b1 == 0 { FILLED } else { EMPTY };
        let empty_symbol = if overhead & 0b1 == 0 { EMPTY } else { FILLED };

        res += "\r";

        // pad to 50 chars on right
        res += &format!("{:<50}", self.job_name);
        res += START;
        for _ in 0..bar_finished_len {
            res += filled_symbol;
        }
        for _ in bar_finished_len..bar_len {
            res += empty_symbol;
        }
        res += END;

        //pad to 4 chars on left
        res += &format!("{:>4}", self.precentage);
        res += UNIT;

        res
    }

    fn close_method(&self) -> crate::isbar::BarCloseMethod {
        crate::isbar::BarCloseMethod::LeaveBehind
    }
}

impl crate::bar_subsets::PrecentageBarFlag for SimpleBar {}