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extern crate ncurses;
use std;
use std::path;
use std::process;
use joshuto::context::JoshutoContext;
use joshuto::command::JoshutoCommand;
use joshuto::command::JoshutoRunnable;
use joshuto::preview;
use joshuto::ui;
#[derive(Clone, Debug)]
pub struct ChangeDirectory {
path: path::PathBuf,
}
impl ChangeDirectory {
pub fn new(path: path::PathBuf) -> Self
{
ChangeDirectory {
path,
}
}
pub const fn command() -> &'static str { "cd" }
pub fn change_directory(path: &path::PathBuf, context: &mut JoshutoContext)
{
if !path.exists() {
ui::wprint_err(&context.views.bot_win, "Error: No such file or directory");
ncurses::doupdate();
return;
}
let curr_tab = &mut context.tabs[context.curr_tab_index];
let parent_list = curr_tab.parent_list.take();
curr_tab.history.put_back(parent_list);
let curr_list = curr_tab.curr_list.take();
curr_tab.history.put_back(curr_list);
match std::env::set_current_dir(path.as_path()) {
Ok(_) => {
curr_tab.curr_path = path.clone();
},
Err(e) => {
ui::wprint_err(&context.views.bot_win, e.to_string().as_str());
return;
}
}
curr_tab.history.populate_to_root(&curr_tab.curr_path, &context.config_t.sort_type);
curr_tab.curr_list = match curr_tab.history.pop_or_create(&curr_tab.curr_path,
&context.config_t.sort_type) {
Ok(s) => {
Some(s)
},
Err(e) => {
eprintln!("{}", e);
process::exit(1);
},
};
if let Some(parent) = curr_tab.curr_path.parent() {
curr_tab.parent_list = match curr_tab.history.pop_or_create(&parent, &context.config_t.sort_type) {
Ok(s) => { Some(s) },
Err(e) => {
eprintln!("{}", e);
process::exit(1);
},
};
}
curr_tab.refresh(&context.views, &context.config_t,
&context.username, &context.hostname);
}
}
impl JoshutoCommand for ChangeDirectory {}
impl std::fmt::Display for ChangeDirectory {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result
{
write!(f, "{} {}", Self::command(), self.path.to_str().unwrap())
}
}
impl JoshutoRunnable for ChangeDirectory {
fn execute(&self, context: &mut JoshutoContext)
{
Self::change_directory(&self.path, context);
preview::preview_file(context);
ncurses::doupdate();
}
}
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