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use std::{collections::HashMap, path::PathBuf};
use ratatui::layout::Constraint;
use crate::config::option::LineMode;
use crate::config::option::SortOption;
#[derive(Clone, Copy, Debug)]
pub enum DisplayMode {
Default,
HSplit,
}
pub const fn default_column_ratio() -> (usize, usize, usize) {
(1, 3, 4)
}
/// Display options globally valid for Joshuto (for all tabs)
#[derive(Clone, Debug)]
pub struct DisplayOption {
pub _mode: DisplayMode,
pub _automatically_count_files: bool,
pub _collapse_preview: bool,
pub _scroll_offset: usize,
pub _show_borders: bool,
pub _show_hidden: bool,
pub _show_icons: bool,
pub _tilde_in_titlebar: bool,
pub _line_nums: LineNumberStyle,
pub column_ratio: (usize, usize, usize),
pub default_layout: [Constraint; 3],
pub no_preview_layout: [Constraint; 3],
pub default_tab_display_option: TabDisplayOption,
}
/// Display options valid pre JoshutoDirList in a JoshutoTab
#[derive(Clone, Debug, Default)]
pub struct DirListDisplayOptions {
filter_string: String,
depth: u8,
}
/// Display options valid per JoshutoTab
#[derive(Clone, Debug, Default)]
pub struct TabDisplayOption {
pub dirlist_options: HashMap<PathBuf, DirListDisplayOptions>,
pub sort_options: SortOption,
pub linemode: LineMode,
}
#[derive(Clone, Copy, Debug)]
pub enum LineNumberStyle {
None,
Relative,
Absolute,
}
impl LineNumberStyle {
pub fn from_str(s: &str) -> Option<Self> {
match s {
"absolute" => Some(Self::Absolute),
"relative" => Some(Self::Relative),
"none" => Some(Self::None),
_ => None,
}
}
}
impl DirListDisplayOptions {
pub fn set_filter_string(&mut self, pattern: &str) {
self.filter_string = pattern.to_owned();
}
pub fn filter_string_ref(&self) -> &str {
&self.filter_string
}
pub fn set_depth(&mut self, depth: u8) {
self.depth = depth;
}
pub fn depth(&self) -> u8 {
self.depth
}
}
impl TabDisplayOption {
pub fn sort_options_ref(&self) -> &SortOption {
&self.sort_options
}
pub fn sort_options_mut(&mut self) -> &mut SortOption {
&mut self.sort_options
}
pub fn dirlist_options_ref(&self, path: &PathBuf) -> Option<&DirListDisplayOptions> {
self.dirlist_options.get(path)
}
pub fn dirlist_options_mut(&mut self, path: &PathBuf) -> &mut DirListDisplayOptions {
if !self.dirlist_options.contains_key(path) {
self.dirlist_options
.insert(path.to_owned(), Default::default());
}
self.dirlist_options.get_mut(path).unwrap()
}
}
impl DisplayOption {
pub fn mode(&self) -> DisplayMode {
self._mode
}
pub fn automatically_count_files(&self) -> bool {
self._automatically_count_files
}
pub fn collapse_preview(&self) -> bool {
self._collapse_preview
}
pub fn scroll_offset(&self) -> usize {
self._scroll_offset
}
pub fn show_borders(&self) -> bool {
self._show_borders
}
pub fn show_hidden(&self) -> bool {
self._show_hidden
}
pub fn show_icons(&self) -> bool {
self._show_icons
}
pub fn set_show_hidden(&mut self, show_hidden: bool) {
self._show_hidden = show_hidden;
}
pub fn tilde_in_titlebar(&self) -> bool {
self._tilde_in_titlebar
}
pub fn line_nums(&self) -> LineNumberStyle {
self._line_nums
}
pub fn set_line_nums(&mut self, style: LineNumberStyle) {
self._line_nums = style;
}
pub fn filter_func(
&self,
) -> fn(&walkdir::DirEntry, &DisplayOption, &DirListDisplayOptions) -> bool {
filter
}
}
impl std::default::Default for DisplayOption {
fn default() -> Self {
let column_ratio = default_column_ratio();
let total = (column_ratio.0 + column_ratio.1 + column_ratio.2) as u32;
let default_layout = [
Constraint::Ratio(column_ratio.0 as u32, total),
Constraint::Ratio(column_ratio.1 as u32, total),
Constraint::Ratio(column_ratio.2 as u32, total),
];
let no_preview_layout = [
Constraint::Ratio(column_ratio.0 as u32, total),
Constraint::Ratio(column_ratio.1 as u32 + column_ratio.2 as u32, total),
Constraint::Ratio(0, total),
];
Self {
_mode: DisplayMode::Default,
_automatically_count_files: false,
_collapse_preview: true,
column_ratio,
_scroll_offset: 4,
_show_borders: true,
_show_hidden: false,
_show_icons: false,
_tilde_in_titlebar: true,
_line_nums: LineNumberStyle::None,
default_layout,
no_preview_layout,
default_tab_display_option: TabDisplayOption::default(),
}
}
}
fn has_str(entry: &walkdir::DirEntry, pat: &str) -> bool {
entry
.file_name()
.to_str()
.map(|s| {
s.to_ascii_lowercase()
.as_str()
.contains(pat.to_ascii_lowercase().as_str())
})
.unwrap_or(false)
}
fn is_hidden(entry: &walkdir::DirEntry) -> bool {
entry
.file_name()
.to_str()
.map(|s| s.starts_with('.'))
.unwrap_or(false)
}
fn filter(
entry: &walkdir::DirEntry,
opt: &DisplayOption,
dirlist_opts: &DirListDisplayOptions,
) -> bool {
if opt.show_hidden() && dirlist_opts.filter_string_ref().is_empty() {
true
} else if dirlist_opts.filter_string_ref().is_empty() {
!is_hidden(entry)
} else if opt.show_hidden() || !is_hidden(entry) {
has_str(entry, dirlist_opts.filter_string_ref())
} else {
false
}
}
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