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use tui::buffer::Buffer;
use tui::layout::Rect;
use tui::style::{Color, Modifier, Style};
use tui::symbols::block;
use tui::widgets::Widget;
use unicode_width::UnicodeWidthStr;
use crate::fs::{FileType, JoshutoDirList};
use crate::util::format;
const FILE_SIZE_WIDTH: usize = 8;
const ELLIPSIS: &str = "…";
pub struct TuiDirListDetailed<'a> {
dirlist: &'a JoshutoDirList,
}
impl<'a> TuiDirListDetailed<'a> {
pub fn new(dirlist: &'a JoshutoDirList) -> Self {
Self { dirlist }
}
}
impl<'a> Widget for TuiDirListDetailed<'a> {
fn render(self, area: Rect, buf: &mut Buffer) {
if area.width < 4 || area.height < 1 {
return;
}
let x = area.left();
let y = area.top();
let curr_index = match self.dirlist.index {
Some(i) => i,
None => {
let style = Style::default().bg(Color::Red).fg(Color::White);
buf.set_stringn(x, y, "empty", area.width as usize, style);
return;
}
};
let skip_dist = curr_index / area.height as usize * area.height as usize;
let screen_index = curr_index % area.height as usize;
let drawing_width = area.width as usize;
let space_fill = " ".repeat(drawing_width);
let x_start = x + 1;
for (i, entry) in self
.dirlist
.iter()
.skip(skip_dist)
.enumerate()
.take(area.height as usize)
{
let name = entry.label();
let name_width = name.width();
let style = if i == screen_index {
entry.get_style().add_modifier(Modifier::REVERSED)
} else {
entry.get_style()
};
buf.set_string(x, y + i as u16, space_fill.as_str(), style);
match entry.metadata.file_type() {
FileType::Directory => {
if name_width <= drawing_width {
buf.set_string(x_start, y + i as u16, name, style);
} else {
buf.set_stringn(x_start, y + i as u16, name, drawing_width - 1, style);
buf.set_string(x_start + drawing_width as u16 - 1, y + i as u16, ELLIPSIS, style);
}
}
FileType::Symlink(_) => {
if name_width < drawing_width - 4 {
buf.set_string(x_start, y + i as u16, name, style);
buf.set_string(x_start + drawing_width as u16 - 4, y + i as u16, "->", style);
} else {
buf.set_stringn(x_start, y + i as u16, name, drawing_width - 1, style);
buf.set_string(x_start + drawing_width as u16 - 1, y + i as u16, ELLIPSIS, style);
}
}
FileType::File => {
if name_width < drawing_width - FILE_SIZE_WIDTH {
buf.set_stringn(x_start, y + i as u16, name, drawing_width - FILE_SIZE_WIDTH, style);
} else {
match name.rfind('.') {
None => {
buf.set_stringn(
x_start,
y + i as u16,
name,
drawing_width - FILE_SIZE_WIDTH,
style,
);
}
Some(p_ind) => {
let ext_width = name[p_ind..].width();
let file_name_width =
if ext_width > drawing_width - FILE_SIZE_WIDTH - 2 {
0
} else {
drawing_width - FILE_SIZE_WIDTH - ext_width - 2
};
buf.set_stringn(
x_start,
y + i as u16,
&name[..p_ind],
file_name_width,
style,
);
buf.set_string(
x_start + file_name_width as u16,
y + i as u16,
ELLIPSIS,
style,
);
let file_ext_width =
drawing_width - file_name_width - FILE_SIZE_WIDTH - 2;
buf.set_stringn(
x_start + file_name_width as u16 + 1,
y + i as u16,
&name[p_ind..],
file_ext_width,
style,
);
}
}
}
let file_size_string = format::file_size_to_string(entry.metadata.len());
buf.set_string(
x_start + (drawing_width - FILE_SIZE_WIDTH) as u16,
y + i as u16,
file_size_string,
style,
);
}
}
}
}
}
|
