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use tui::buffer::Buffer;
use tui::layout::Rect;
use tui::text::Span;
use tui::widgets::Widget;
use crate::preview::preview_file::FilePreview;
pub struct TuiFilePreview<'a> {
preview: &'a FilePreview,
}
impl<'a> TuiFilePreview<'a> {
pub fn new(preview: &'a FilePreview) -> Self {
Self { preview }
}
#[cfg(not(feature = "syntax_highlight"))]
fn render_text_preview(&self, area: Rect, buf: &mut Buffer, vec: Vec<u8>) {
for (line, y) in vec
.iter()
.skip(self.preview.index)
.zip(area.y + 1..area.y + area.height)
{
let span = Span::raw(line.to_string());
buf.set_span(area.x, y, &span, area.width);
}
}
#[cfg(feature = "syntax_highlight")]
fn render_text_preview(&self, area: Rect, buf: &mut Buffer, vec: Vec<u8>) {
use ansi_to_tui::ansi_to_text;
let res = ansi_to_text(vec.clone());
match res {
Ok(text) => {
for (line, y) in text
.lines
.iter()
.skip(self.preview.index)
.zip(area.y..area.y + area.height)
{
buf.set_spans(area.x, y, line, area.width);
}
}
Err(e) => {
let span = Span::raw(format!("Failed to parse ansi colors: {}", e));
buf.set_span(area.x, area.y, &span, area.width);
for (line, y) in vec
.iter()
.skip(self.preview.index)
.zip(area.y + 1..area.y + area.height)
{
let span = Span::raw(line.to_string());
buf.set_span(area.x, y, &span, area.width);
}
}
}
}
}
impl<'a> Widget for TuiFilePreview<'a> {
fn render(self, area: Rect, buf: &mut Buffer) {
let vec = self.preview.output.as_str().as_bytes().to_vec();
self.render_text_preview(area, buf, vec);
}
}
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