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

use std::borrow::Cow;

use crate::grid::{
    config::{ColoredConfig, SpannedConfig},
    dimension::{Dimension, Estimate, SpannedGridDimension},
    records::{IntoRecords, Records},
};

/// CompleteDimension is a [`Dimension`] implementation for a [`Table`]
///
/// [`Table`]: crate::Table
#[derive(Debug, Default, PartialEq, Eq, PartialOrd, Ord, Clone)]
pub struct CompleteDimension<'a> {
    width: Option<Cow<'a, [usize]>>,
    height: Option<Cow<'a, [usize]>>,
}

impl CompleteDimension<'_> {
    /// Checks whether is the dimensions is set.
    pub fn is_complete(&self) -> bool {
        self.width.is_some() && self.height.is_some()
    }

    /// Checks whether is nothing was set.
    pub fn is_empty(&self) -> bool {
        self.width.is_none() && self.height.is_none()
    }

    /// Set column widths.
    ///
    /// In general the method is only considered to be useful to a [`TableOption`].
    ///
    /// BE CAREFUL WITH THIS METHOD as it supposed that the content is not bigger than the provided widths.
    ///
    /// [`TableOption`]: crate::settings::TableOption
    pub fn set_widths(&mut self, columns: Vec<usize>) -> bool {
        self.width = Some(Cow::Owned(columns));

        true
    }

    /// Set rows heights.
    ///
    /// In general the method is only considered to be useful to a [`TableOption`].
    ///
    /// BE CAREFUL WITH THIS METHOD as it supposed that the content is not bigger than the provided heights.
    ///
    /// [`TableOption`]: crate::settings::TableOption
    pub fn set_heights(&mut self, rows: Vec<usize>) -> bool {
        self.height = Some(Cow::Owned(rows));

        true
    }

    /// Force width estimation.
    pub fn clear_width(&mut self) {
        self.width = None;
    }

    /// Force height estimation.
    pub fn clear_height(&mut self) {
        self.height = None;
    }

    /// Copies a reference from self.
    pub fn from_origin(&self) -> CompleteDimension<'_> {
        let width = self.width.as_deref().map(Cow::Borrowed);
        let height = self.height.as_deref().map(Cow::Borrowed);

        CompleteDimension { width, height }
    }
}

impl Dimension for CompleteDimension<'_> {
    fn get_width(&self, column: usize) -> usize {
        let width = self
            .width
            .as_ref()
            .expect("It must always be Some at this point");

        width[column]
    }

    fn get_height(&self, row: usize) -> usize {
        let height = self
            .height
            .as_ref()
            .expect("It must always be Some at this point");

        height[row]
    }
}

impl<R> Estimate<R, SpannedConfig> for CompleteDimension<'_>
where
    R: Records,
    <R::Iter as IntoRecords>::Cell: AsRef<str>,
{
    fn estimate(&mut self, records: R, cfg: &SpannedConfig) {
        match (self.width.is_some(), self.height.is_some()) {
            (true, true) => {}
            (true, false) => {
                self.height = Some(Cow::Owned(SpannedGridDimension::height(records, cfg)));
            }
            (false, true) => {
                self.width = Some(Cow::Owned(SpannedGridDimension::width(records, cfg)));
            }
            (false, false) => {
                let mut dims = SpannedGridDimension::default();
                dims.estimate(records, cfg);

                let (width, height) = dims.get_values();
                self.width = Some(Cow::Owned(width));
                self.height = Some(Cow::Owned(height));
            }
        }
    }
}

impl<R> Estimate<R, ColoredConfig> for CompleteDimension<'_>
where
    R: Records,
    <R::Iter as IntoRecords>::Cell: AsRef<str>,
{
    fn estimate(&mut self, records: R, cfg: &ColoredConfig) {
        Estimate::estimate(self, records, cfg.as_ref())
    }
}