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use std::borrow::Cow;
use std::collections::HashMap;
use std::ffi::OsStr;
use std::path;
use crate::config::option::{DisplayOption, TabDisplayOption};
use crate::context::UiContext;
use crate::fs::JoshutoDirList;
use crate::history::{DirectoryHistory, JoshutoHistory};
use crate::preview::preview_dir::PreviewDirState;
type HistoryMetadata = HashMap<path::PathBuf, PreviewDirState>;
pub struct JoshutoTab {
_cwd: path::PathBuf,
// history is just a HashMap, so we have this property to store last workdir
_previous_dir: Option<path::PathBuf>,
history: JoshutoHistory,
history_metadata: HistoryMetadata,
options: TabDisplayOption,
}
impl JoshutoTab {
pub fn new(
cwd: path::PathBuf,
ui_context: &UiContext,
options: &DisplayOption,
) -> std::io::Result<Self> {
let mut history = JoshutoHistory::new();
let tab_options = options.default_tab_display_option.clone();
history.populate_to_root(cwd.as_path(), ui_context, options, &tab_options)?;
let new_tab = Self {
_cwd: cwd,
_previous_dir: None,
history,
history_metadata: HashMap::new(),
options: tab_options,
};
Ok(new_tab)
}
pub fn option_ref(&self) -> &TabDisplayOption {
&self.options
}
pub fn option_mut(&mut self) -> &mut TabDisplayOption {
&mut self.options
}
pub fn cwd(&self) -> &path::Path {
self._cwd.as_path()
}
pub fn set_cwd(&mut self, cwd: &path::Path) {
self._previous_dir = Some(self._cwd.to_path_buf());
self._cwd = cwd.to_path_buf();
}
pub fn previous_dir(&self) -> Option<&path::Path> {
// This converts PathBuf to Path
match &self._previous_dir {
Some(path) => Some(path),
None => None,
}
}
pub fn history_ref(&self) -> &JoshutoHistory {
&self.history
}
pub fn history_mut(&mut self) -> &mut JoshutoHistory {
&mut self.history
}
pub fn history_metadata_ref(&self) -> &HistoryMetadata {
&self.history_metadata
}
pub fn history_metadata_mut(&mut self) -> &mut HistoryMetadata {
&mut self.history_metadata
}
pub fn curr_list_ref(&self) -> Option<&JoshutoDirList> {
self.history.get(self.cwd())
}
pub fn parent_list_ref(&self) -> Option<&JoshutoDirList> {
let parent = self.cwd().parent()?;
self.history.get(parent)
}
pub fn child_list_ref(&self) -> Option<&JoshutoDirList> {
let curr_list = self.curr_list_ref()?;
let index = curr_list.get_index()?;
let path = curr_list.contents[index].file_path();
self.history.get(path)
}
pub fn curr_list_mut(&mut self) -> Option<&mut JoshutoDirList> {
self.history.get_mut(self._cwd.as_path())
}
pub fn parent_list_mut(&mut self) -> Option<&mut JoshutoDirList> {
let parent = self._cwd.parent()?;
self.history.get_mut(parent)
}
#[allow(dead_code)]
pub fn child_list_mut(&mut self) -> Option<&mut JoshutoDirList> {
let child_path = {
let curr_list = self.curr_list_ref()?;
let index = curr_list.get_index()?;
curr_list.contents[index].file_path().to_path_buf()
};
self.history.get_mut(child_path.as_path())
}
pub fn tab_title(&self) -> Cow<'_, str> {
self.cwd()
.file_name()
.unwrap_or_else(|| OsStr::new("/"))
.to_string_lossy()
}
}
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