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use std::io::{Write, Result as IOResult};
use term_grid as tg;
use crate::fs::File;
use crate::output::cell::DisplayWidth;
use crate::output::file_name::FileStyle;
use crate::output::icons::painted_icon;
use crate::style::Colours;
#[derive(PartialEq, Debug, Copy, Clone)]
pub struct Options {
pub across: bool,
pub console_width: usize,
pub icons: bool,
}
impl Options {
pub fn direction(&self) -> tg::Direction {
if self.across { tg::Direction::LeftToRight }
else { tg::Direction::TopToBottom }
}
}
pub struct Render<'a> {
pub files: Vec<File<'a>>,
pub colours: &'a Colours,
pub style: &'a FileStyle,
pub opts: &'a Options,
}
impl<'a> Render<'a> {
pub fn render<W: Write>(&self, w: &mut W) -> IOResult<()> {
let mut grid = tg::Grid::new(tg::GridOptions {
direction: self.opts.direction(),
filling: tg::Filling::Spaces(2),
});
grid.reserve(self.files.len());
for file in &self.files {
let icon = if self.opts.icons { Some(painted_icon(file, self.style)) }
else { None };
let filename = self.style.for_file(file, self.colours).paint();
let width = if self.opts.icons { DisplayWidth::from(2) + filename.width() }
else { filename.width() };
grid.add(tg::Cell {
contents: format!("{}{}", &icon.unwrap_or_default(), filename.strings()),
width: *width,
});
}
if let Some(display) = grid.fit_into_width(self.opts.console_width) {
write!(w, "{}", display)
}
else {
// File names too long for a grid - drop down to just listing them!
// This isn’t *quite* the same as the lines view, which also
// displays full link paths.
for file in &self.files {
if self.opts.icons {
write!(w, "{}", painted_icon(file, self.style))?;
}
let name_cell = self.style.for_file(file, self.colours).paint();
writeln!(w, "{}", name_cell.strings())?;
}
Ok(())
}
}
}
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