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|
use crate::{
grid::config::{ColoredConfig, CompactMultilineConfig, Entity},
settings::{CellOption, TableOption},
};
/// `AlignmentStrategy` is a responsible for a flow how we apply an alignment.
/// It mostly matters for multiline strings.
///
/// # Examples
///
/// ```
/// use tabled::{
/// Table,
/// settings::{
/// Style, Modify, Alignment, object::Segment,
/// formatting::{AlignmentStrategy, TrimStrategy}
/// }
/// };
///
/// // sample_from: https://opensource.adobe.com/Spry/samples/data_region/JSONDataSetSample.html
/// let json = r#"
/// {
/// "id": "0001",
/// "type": "donut",
/// "name": "Cake",
/// "ppu": 0.55,
/// "batters": {
/// "batter": [
/// { "id": "1001", "type": "Regular" },
/// { "id": "1002", "type": "Chocolate" },
/// ]
/// },
/// "topping": [
/// { "id": "5001", "type": "None" },
/// { "id": "5006", "type": "Chocolate with Sprinkles" },
/// { "id": "5003", "type": "Chocolate" },
/// { "id": "5004", "type": "Maple" }
/// ]
/// }"#;
///
/// let mut table = Table::new(&[json]);
/// table
/// .with(Style::modern())
/// .with(Modify::new(Segment::all()).with(Alignment::right()))
/// .with(Modify::new(Segment::all()).with(TrimStrategy::None));
///
/// println!("{}", table);
///
/// assert_eq!(
/// format!("\n{}", table),
/// r#"
/// ┌───────────────────────────────────────────────────────────────┐
/// │ &str │
/// ├───────────────────────────────────────────────────────────────┤
/// │ │
/// │ { │
/// │ "id": "0001", │
/// │ "type": "donut", │
/// │ "name": "Cake", │
/// │ "ppu": 0.55, │
/// │ "batters": { │
/// │ "batter": [ │
/// │ { "id": "1001", "type": "Regular" }, │
/// │ { "id": "1002", "type": "Chocolate" }, │
/// │ ] │
/// │ }, │
/// │ "topping": [ │
/// │ { "id": "5001", "type": "None" }, │
/// │ { "id": "5006", "type": "Chocolate with Sprinkles" }, │
/// │ { "id": "5003", "type": "Chocolate" }, │
/// │ { "id": "5004", "type": "Maple" } │
/// │ ] │
/// │ } │
/// └───────────────────────────────────────────────────────────────┘"#);
///
/// table
/// .with(Modify::new(Segment::all()).with(AlignmentStrategy::PerCell))
/// .with(Modify::new(Segment::all()).with(TrimStrategy::Horizontal));
///
/// assert_eq!(
/// format!("\n{}", table),
/// r#"
/// ┌───────────────────────────────────────────────────────────────┐
/// │ &str │
/// ├───────────────────────────────────────────────────────────────┤
/// │ │
/// │ { │
/// │ "id": "0001", │
/// │ "type": "donut", │
/// │ "name": "Cake", │
/// │ "ppu": 0.55, │
/// │ "batters": { │
/// │ "batter": [ │
/// │ { "id": "1001", "type": "Regular" }, │
/// │ { "id": "1002", "type": "Chocolate" }, │
/// │ ] │
/// │ }, │
/// │ "topping": [ │
/// │ { "id": "5001", "type": "None" }, │
/// │ { "id": "5006", "type": "Chocolate with Sprinkles" }, │
/// │ { "id": "5003", "type": "Chocolate" }, │
/// │ { "id": "5004", "type": "Maple" } │
/// │ ] │
/// │ } │
/// └───────────────────────────────────────────────────────────────┘"#);
///
/// table.with(Modify::new(Segment::all()).with(AlignmentStrategy::PerLine));
///
/// assert_eq!(
/// format!("\n{}", table),
/// r#"
/// ┌───────────────────────────────────────────────────────────────┐
/// │ &str │
/// ├───────────────────────────────────────────────────────────────┤
/// │ │
/// │ { │
/// │ "id": "0001", │
/// │ "type": "donut", │
/// │ "name": "Cake", │
/// │ "ppu": 0.55, │
/// │ "batters": { │
/// │ "batter": [ │
/// │ { "id": "1001", "type": "Regular" }, │
/// │ { "id": "1002", "type": "Chocolate" }, │
/// │ ] │
/// │ }, │
/// │ "topping": [ │
/// │ { "id": "5001", "type": "None" }, │
/// │ { "id": "5006", "type": "Chocolate with Sprinkles" }, │
/// │ { "id": "5003", "type": "Chocolate" }, │
/// │ { "id": "5004", "type": "Maple" } │
/// │ ] │
/// │ } │
/// └───────────────────────────────────────────────────────────────┘"#);
/// ```
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub enum AlignmentStrategy {
/// Apply alignment for cell content as a whole.
PerCell,
/// Apply alignment for each line of a cell content as a whole.
PerLine,
}
impl<R> CellOption<R, ColoredConfig> for AlignmentStrategy {
fn change(self, _: &mut R, cfg: &mut ColoredConfig, entity: Entity) {
let mut formatting = *cfg.get_formatting(entity);
match &self {
AlignmentStrategy::PerCell => formatting.allow_lines_alignment = false,
AlignmentStrategy::PerLine => formatting.allow_lines_alignment = true,
}
cfg.set_formatting(entity, formatting);
}
}
impl<R, D> TableOption<R, D, ColoredConfig> for AlignmentStrategy {
fn change(self, records: &mut R, cfg: &mut ColoredConfig, _: &mut D) {
<Self as CellOption<R, ColoredConfig>>::change(self, records, cfg, Entity::Global)
}
}
impl<R, D> TableOption<R, D, CompactMultilineConfig> for AlignmentStrategy {
fn change(self, _: &mut R, cfg: &mut CompactMultilineConfig, _: &mut D) {
let mut f = cfg.get_formatting();
match &self {
AlignmentStrategy::PerCell => f.allow_lines_alignment = false,
AlignmentStrategy::PerLine => f.allow_lines_alignment = true,
}
*cfg = cfg.set_formatting(f);
}
}
|