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
|
use crate::{
grid::config::{ColoredConfig, SpannedConfig},
grid::records::{ExactRecords, Records, RecordsMut, Resizable},
settings::TableOption,
};
/// A vertical/row span from 0 to a count columns.
#[derive(Debug)]
pub struct VerticalPanel<S> {
text: S,
col: usize,
}
impl<S> VerticalPanel<S> {
/// Creates a new vertical panel.
pub fn new(col: usize, text: S) -> Self
where
S: AsRef<str>,
{
Self { text, col }
}
}
impl<S, R, D> TableOption<R, D, ColoredConfig> for VerticalPanel<S>
where
S: AsRef<str>,
R: Records + ExactRecords + Resizable + RecordsMut<String>,
{
fn change(self, records: &mut R, cfg: &mut ColoredConfig, _: &mut D) {
let count_rows = records.count_rows();
let count_cols = records.count_columns();
if self.col > count_cols {
return;
}
let is_intersect_horizontal_span = (0..=records.count_rows())
.any(|row| cfg.is_cell_covered_by_column_span((row, self.col)));
if is_intersect_horizontal_span {
return;
}
move_columns_aside(records, self.col);
move_column_spans(cfg, self.col);
let text = self.text.as_ref().to_owned();
records.set((0, self.col), text);
cfg.set_row_span((0, self.col), count_rows);
}
}
fn move_columns_aside<R: Records + Resizable>(records: &mut R, column: usize) {
records.push_column();
let count_columns = records.count_columns();
let shift_count = count_columns - column;
for i in 1..shift_count {
let col = count_columns - i;
records.swap_column(col, col - 1);
}
}
fn move_column_spans(cfg: &mut SpannedConfig, target_column: usize) {
for ((row, col), span) in cfg.get_column_spans() {
if col < target_column {
continue;
}
cfg.set_column_span((row, col), 1);
cfg.set_column_span((row, col + 1), span);
}
for ((row, col), span) in cfg.get_row_spans() {
if col < target_column {
continue;
}
cfg.set_row_span((row, col), 1);
cfg.set_row_span((row, col + 1), span);
}
}
|
