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use std::io::{Write, Result as IOResult};
use term_grid as grid;
use fs::File;
use output::DisplayWidth;
use output::colours::Colours;
use super::filename;
#[derive(PartialEq, Debug, Copy, Clone)]
pub struct Grid {
pub across: bool,
pub console_width: usize,
pub colours: Colours,
}
impl Grid {
pub fn view<W: Write>(&self, files: &[File], w: &mut W) -> IOResult<()> {
let direction = if self.across { grid::Direction::LeftToRight }
else { grid::Direction::TopToBottom };
let mut grid = grid::Grid::new(grid::GridOptions {
direction: direction,
filling: grid::Filling::Spaces(2),
});
grid.reserve(files.len());
for file in files.iter() {
let mut width = DisplayWidth::from(&*file.name);
if file.dir.is_none() {
if let Some(ref parent) = file.path.parent() {
width = width + 1 + DisplayWidth::from(parent.to_string_lossy().as_ref());
}
}
grid.add(grid::Cell {
contents: filename(file, &self.colours, false).strings().to_string(),
width: *width,
});
}
if let Some(display) = grid.fit_into_width(self.console_width) {
write!(w, "{}", display)
}
else {
// File names too long for a grid - drop down to just listing them!
for file in files.iter() {
writeln!(w, "{}", filename(file, &self.colours, false).strings())?;
}
Ok(())
}
}
}
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