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|
use ratatui::buffer::Buffer;
use ratatui::layout::Rect;
use ratatui::style::{Color, Modifier, Style};
use ratatui::widgets::Widget;
use unicode_width::UnicodeWidthStr;
use crate::config::clean::app::AppConfig;
use crate::fs::{FileType, JoshutoMetadata};
use crate::fs::{JoshutoDirEntry, JoshutoDirList};
use crate::ui::widgets::trim_file_label;
use crate::util::style;
pub struct TuiDirList<'a> {
pub config: &'a AppConfig,
pub dirlist: &'a JoshutoDirList,
pub focused: bool,
}
impl<'a> TuiDirList<'a> {
pub fn new(config: &'a AppConfig, dirlist: &'a JoshutoDirList, focused: bool) -> Self {
Self {
config,
dirlist,
focused,
}
}
}
impl<'a> Widget for TuiDirList<'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();
if self.dirlist.contents.is_empty() {
let style = Style::default().bg(Color::Red).fg(Color::White);
buf.set_stringn(x, y, "empty", area.width as usize, style);
return;
}
let curr_index = self.dirlist.get_index().unwrap();
let skip_dist = self.dirlist.first_index_for_viewport();
let drawing_width = area.width as usize;
let space_fill = " ".repeat(drawing_width);
self.dirlist
.iter()
.skip(skip_dist)
.enumerate()
.take(area.height as usize)
.for_each(|(i, entry)| {
let ix = skip_dist + i;
let style = if !self.focused {
style::entry_style(self.config, entry)
} else if ix == curr_index {
style::entry_style(self.config, entry).add_modifier(Modifier::REVERSED)
} else {
style::entry_style(self.config, entry)
};
buf.set_string(x, y + i as u16, space_fill.as_str(), style);
print_entry(
self.config,
buf,
entry,
style,
(x + 1, y + i as u16),
drawing_width - 1,
);
});
}
}
fn print_entry(
config: &AppConfig,
buf: &mut Buffer,
entry: &JoshutoDirEntry,
style: Style,
(x, y): (u16, u16),
drawing_width: usize,
) {
let name = entry.file_name();
#[cfg(feature = "devicons")]
let (label, label_width) = {
if config.display_options_ref().show_icons() {
let icon = get_entry_icon(config, entry.file_name(), entry.ext(), &entry.metadata);
let label = format!("{icon} {name}");
let label_width = label.width();
(label, label_width)
} else {
(name.to_string(), name.width())
}
};
#[cfg(not(feature = "devicons"))]
let (label, label_width) = {
let label = name.to_string();
let label_width = label.width();
(label, label_width)
};
let label = if label_width > drawing_width {
trim_file_label(&label, drawing_width)
} else {
label.to_string()
};
buf.set_string(x, y, label, style);
}
#[cfg(feature = "devicons")]
pub fn get_entry_icon(
config: &AppConfig,
name: &str,
ext: Option<&str>,
metadata: &JoshutoMetadata,
) -> &'static str {
use crate::ICONS_T;
if let FileType::Directory = metadata.file_type() {
return ICONS_T
.directory_exact
.get(name)
.map(|s| s.as_str())
.unwrap_or(ICONS_T.default_dir.as_str());
}
ICONS_T
.file_exact
.get(name)
.map(|s| s.as_str())
.unwrap_or_else(|| {
ext.and_then(|ext| {
let ext: String = if config.case_insensitive_ext {
ext.to_lowercase()
} else {
ext.to_owned()
};
ICONS_T.ext.get(&ext).map(|s| s.as_str())
})
.unwrap_or_else(|| ICONS_T.default_file.as_str())
})
}
|
