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extern crate fs_extra;
extern crate ncurses;
use std;
use std::fmt;
use joshuto;
use joshuto::ui;
use joshuto::command;
#[derive(Clone, Debug)]
pub struct ParentDirectory;
impl ParentDirectory {
pub fn new() -> Self { ParentDirectory }
pub fn command() -> &'static str { "parent_directory" }
}
impl command::JoshutoCommand for ParentDirectory {}
impl std::fmt::Display for ParentDirectory {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result
{
f.write_str(Self::command())
}
}
impl command::Runnable for ParentDirectory {
fn execute(&self, context: &mut joshuto::JoshutoContext)
{
let curr_tab = &mut context.tabs[context.tab_index];
if curr_tab.curr_path.pop() == false {
return;
}
match std::env::set_current_dir(&curr_tab.curr_path) {
Ok(_) => {
{
let dir_list = curr_tab.preview_list.take();
curr_tab.history.put_back(dir_list);
let curr_list = curr_tab.curr_list.take();
curr_tab.preview_list = 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_type) {
Ok(s) => Some(s),
Err(e) => {
ui::wprint_err(&context.views.left_win, e.to_string().as_str());
None
},
};
},
None => {
ncurses::werase(context.views.left_win.win);
ncurses::wnoutrefresh(context.views.left_win.win);
},
}
ui::redraw_view(&context.theme_t, &context.views.left_win,
curr_tab.parent_list.as_ref());
ui::redraw_view_detailed(&context.theme_t, &context.views.mid_win,
curr_tab.curr_list.as_ref());
ui::redraw_view(&context.theme_t, &context.views.right_win,
curr_tab.preview_list.as_ref());
ui::redraw_status(&context.theme_t, &context.views,
curr_tab.curr_list.as_ref(),
&curr_tab.curr_path,
&context.username, &context.hostname);
},
Err(e) => {
ui::wprint_err(&context.views.bot_win, e.to_string().as_str());
},
};
ncurses::doupdate();
}
}
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