1use std::iter::FromIterator;
2
3use crate::{
4 grid::dimension::CompleteDimensionVecRecords, grid::records::Records, settings::TableOption,
5};
6
7/// A structure used to set [`Table`] width via a list of columns widths.
8///
9/// [`Table`]: crate::Table
10#[derive(Debug)]
11pub struct WidthList {
12 list: Vec<usize>,
13}
14
15impl WidthList {
16 /// Creates a new object.
17 pub fn new(list: Vec<usize>) -> Self {
18 Self { list }
19 }
20}
21
22impl From<Vec<usize>> for WidthList {
23 fn from(list: Vec<usize>) -> Self {
24 Self::new(list)
25 }
26}
27
28impl FromIterator<usize> for WidthList {
29 fn from_iter<T: IntoIterator<Item = usize>>(iter: T) -> Self {
30 Self::new(list:iter.into_iter().collect())
31 }
32}
33
34impl<R, C> TableOption<R, C, CompleteDimensionVecRecords<'_>> for WidthList
35where
36 R: Records,
37{
38 fn change(self, records: &mut R, _: &mut C, dimension: &mut CompleteDimensionVecRecords<'_>) {
39 if self.list.len() < records.count_columns() {
40 return;
41 }
42
43 dimension.set_widths(self.list);
44 }
45}
46