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use std::path;
use crate::context::AppContext;
use crate::error::{JoshutoError, JoshutoErrorKind, JoshutoResult};
use crate::history::DirectoryHistory;
use crate::tab::{JoshutoTab, TabHomePage};
use crate::HOME_DIR;
use super::quit::{quit_with_action, QuitAction};
fn _tab_switch(new_index: usize, context: &mut AppContext) -> std::io::Result<()> {
context.tab_context_mut().index = new_index;
let cwd = context.tab_context_ref().curr_tab_ref().cwd().to_path_buf();
std::env::set_current_dir(cwd.as_path())?;
let entry_path = match context
.tab_context_ref()
.curr_tab_ref()
.curr_list_ref()
.and_then(|l| l.curr_entry_ref())
{
Some(entry) => {
let file_path = entry.file_path();
if file_path.is_dir() {
Some(file_path.to_path_buf())
} else {
None
}
}
None => None,
};
let options = context.config_ref().display_options_ref().clone();
let tab_options = context
.tab_context_ref()
.curr_tab_ref()
.option_ref()
.clone();
let history = context.tab_context_mut().curr_tab_mut().history_mut();
if history
.create_or_soft_update(cwd.as_path(), &options, &tab_options)
.is_err()
{
history.remove(cwd.as_path());
}
if let Some(cwd_parent) = cwd.parent() {
if history
.create_or_soft_update(cwd_parent, &options, &tab_options)
.is_err()
{
history.remove(cwd_parent);
}
}
if let Some(file_path) = entry_path {
if history
.create_or_soft_update(file_path.as_path(), &options, &tab_options)
.is_err()
{
history.remove(file_path.as_path());
}
}
Ok(())
}
pub fn tab_switch(offset: i32, context: &mut AppContext) -> std::io::Result<()> {
let index = context.tab_context_ref().index;
let num_tabs = context.tab_context_ref().len();
let new_index = (index as i32 + num_tabs as i32 + offset) as usize % num_tabs;
_tab_switch(new_index, context)
}
pub fn tab_switch_index(new_index: usize, context: &mut AppContext) -> JoshutoResult {
if new_index <= context.tab_context_ref().len() {
_tab_switch(new_index - 1, context)?;
Ok(())
} else if new_index == context.tab_context_ref().len() + 1 {
new_tab(context)?;
_tab_switch(new_index - 1, context)?;
Ok(())
} else {
Err(JoshutoError::new(
JoshutoErrorKind::InvalidParameters,
format!("No tab with index {}", new_index),
))
}
}
pub fn new_tab_home_path(context: &AppContext) -> path::PathBuf {
match context.config_ref().tab_options_ref().home_page() {
TabHomePage::Home => match HOME_DIR.as_ref() {
Some(s) => s.clone(),
None => path::PathBuf::from("/"),
},
TabHomePage::Inherit => context.tab_context_ref().curr_tab_ref().cwd().to_path_buf(),
TabHomePage::Root => path::PathBuf::from("/"),
}
}
pub fn new_tab(context: &mut AppContext) -> JoshutoResult {
let new_tab_path = new_tab_home_path(context);
let tab = JoshutoTab::new(
new_tab_path,
context.ui_context_ref(),
context.config_ref().display_options_ref(),
)?;
context.tab_context_mut().push_tab(tab);
let new_index = context.tab_context_ref().len() - 1;
context.tab_context_mut().index = new_index;
_tab_switch(new_index, context)?;
Ok(())
}
pub fn close_tab(context: &mut AppContext) -> JoshutoResult {
if context.tab_context_ref().len() <= 1 {
return quit_with_action(context, QuitAction::Noop);
}
let mut tab_index = context.tab_context_ref().index;
let _ = context.tab_context_mut().pop_tab(tab_index);
let num_tabs = context.tab_context_ref().len();
if tab_index >= num_tabs {
tab_index = num_tabs - 1;
}
_tab_switch(tab_index, context)?;
Ok(())
}
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