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use std::env;
use crate::commands::{JoshutoCommand, JoshutoRunnable};
use crate::context::JoshutoContext;
use crate::preview;
use crate::ui;
#[derive(Clone, Debug)]
pub struct TabSwitch {
movement: i32,
}
impl TabSwitch {
pub fn new(movement: i32) -> Self {
TabSwitch { movement }
}
pub const fn command() -> &'static str {
"tab_switch"
}
pub fn tab_switch(new_index: i32, context: &mut JoshutoContext) {
context.curr_tab_index = new_index as usize;
let path = &context.curr_tab_ref().curr_path;
match env::set_current_dir(path) {
Ok(_) => {
{
let curr_tab = &mut context.tabs[context.curr_tab_index];
curr_tab.reload_contents(&context.config_t.sort_type);
curr_tab.refresh(
&context.views,
&context.config_t,
&context.username,
&context.hostname,
);
}
ui::redraw_tab_view(&context.views.tab_win, &context);
let curr_tab = &mut context.tabs[context.curr_tab_index];
preview::preview_file(curr_tab, &context.views, &context.config_t);
}
Err(e) => ui::wprint_err(&context.views.left_win, e.to_string().as_str()),
}
}
}
impl JoshutoCommand for TabSwitch {}
impl std::fmt::Display for TabSwitch {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{} {}", Self::command(), self.movement)
}
}
impl JoshutoRunnable for TabSwitch {
fn execute(&self, context: &mut JoshutoContext) {
let mut new_index = context.curr_tab_index as i32 + self.movement;
let tab_len = context.tabs.len() as i32;
while new_index < 0 {
new_index += tab_len;
}
while new_index >= tab_len {
new_index -= tab_len;
}
Self::tab_switch(new_index, context);
ncurses::doupdate();
}
}
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