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use crate::commands::{JoshutoCommand, JoshutoRunnable};
use crate::context::JoshutoContext;
use crate::error::JoshutoError;
use crate::preview;
use crate::ui;
use crate::window::JoshutoView;
#[derive(Clone, Debug)]
pub struct ParentDirectory;
impl ParentDirectory {
pub fn new() -> Self {
ParentDirectory
}
pub const fn command() -> &'static str {
"parent_directory"
}
pub fn parent_directory(
context: &mut JoshutoContext,
view: &JoshutoView,
) -> Result<(), JoshutoError> {
if !context.curr_tab_mut().curr_path.pop() {
return Ok(());
}
match std::env::set_current_dir(&context.curr_tab_ref().curr_path) {
Ok(_) => {
let curr_tab = &mut context.tabs[context.curr_tab_index];
let curr_list = curr_tab.curr_list.take();
curr_tab.history.put_back(curr_list);
let parent_list = curr_tab.parent_list.take();
curr_tab.curr_list = parent_list;
match curr_tab.curr_path.parent() {
Some(parent) => {
curr_tab.parent_list = match curr_tab
.history
.pop_or_create(&parent, &context.config_t.sort_option)
{
Ok(s) => Some(s),
Err(e) => {
ui::wprint_err(&view.left_win, e.to_string().as_str());
None
}
};
}
None => {
ncurses::werase(view.left_win.win);
view.left_win.queue_for_refresh();
}
}
curr_tab.refresh(
view,
&context.config_t,
&context.username,
&context.hostname,
);
preview::preview_file(curr_tab, view, &context.config_t);
ncurses::doupdate();
return Ok(());
}
Err(e) => {
return Err(JoshutoError::IO(e));
}
};
}
}
impl JoshutoCommand for ParentDirectory {}
impl std::fmt::Display for ParentDirectory {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
f.write_str(Self::command())
}
}
impl JoshutoRunnable for ParentDirectory {
fn execute(
&self,
context: &mut JoshutoContext,
view: &JoshutoView,
) -> Result<(), JoshutoError> {
Self::parent_directory(context, view)
}
}
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