1use crate::{
2 grid::config::Entity,
3 grid::records::{ExactRecords, PeekableRecords, Records, RecordsMut},
4 settings::{CellOption, TableOption},
5};
6
7/// [`FormatContentPositioned`] is like a [`FormatContent`] an abstraction over a function you can use against a cell.
8///
9/// It different from [`FormatContent`] that it provides a row and column index.
10///
11/// [`FormatContent`]: crate::settings::format::FormatContent
12#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
13pub struct FormatContentPositioned<F>(F);
14
15impl<F> FormatContentPositioned<F> {
16 pub(crate) fn new(f: F) -> Self {
17 Self(f)
18 }
19}
20
21impl<F, R, D, C> TableOption<R, C, D> for FormatContentPositioned<F>
22where
23 F: FnMut(&str, (usize, usize)) -> String,
24 R: Records + ExactRecords + PeekableRecords + RecordsMut<String>,
25{
26 fn change(self, records: &mut R, cfg: &mut C, _: &mut D) {
27 CellOption::change(self, records, cfg, Entity::Global);
28 }
29}
30
31impl<F, R, C> CellOption<R, C> for FormatContentPositioned<F>
32where
33 F: FnMut(&str, (usize, usize)) -> String,
34 R: Records + ExactRecords + PeekableRecords + RecordsMut<String>,
35{
36 fn change(mut self, records: &mut R, _: &mut C, entity: Entity) {
37 let count_rows: usize = records.count_rows();
38 let count_cols: usize = records.count_columns();
39
40 for pos: (usize, usize) in entity.iter(count_rows, count_cols) {
41 let is_valid_pos: bool = pos.0 < count_rows && pos.1 < count_cols;
42 if !is_valid_pos {
43 continue;
44 }
45
46 let content: &str = records.get_text(pos);
47 let content: String = (self.0)(content, pos);
48 records.set(pos, text:content);
49 }
50 }
51}
52