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use std::path;
use uuid::Uuid;
use crate::config::clean::app::display::new_tab::NewTabMode;
use crate::context::AppContext;
use crate::error::{AppError, AppErrorKind, AppResult};
use crate::history::DirectoryHistory;
use crate::tab::{JoshutoTab, TabHomePage};
use crate::util::{cwd, unix};
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();
cwd::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(context: &mut AppContext, offset: i32) -> 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(context: &mut AppContext, new_index: usize) -> AppResult {
let num_tabs = context.tab_context_ref().len();
if new_index <= num_tabs {
_tab_switch(new_index - 1, context)?;
} else if new_index > num_tabs {
for _ in 0..(new_index - num_tabs) {
new_tab(context, &NewTabMode::Default)?;
}
_tab_switch(new_index - 1, context)?;
}
Ok(())
}
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, mode: &NewTabMode) -> AppResult {
let new_tab_path = match mode {
NewTabMode::Default => Ok(new_tab_home_path(context)),
NewTabMode::CurrentTabDir => {
Ok(context.tab_context_ref().curr_tab_ref().cwd().to_path_buf())
}
NewTabMode::CursorDir => context
.tab_context_ref()
.curr_tab_ref()
.curr_list_ref()
.and_then(|list| {
list.curr_entry_ref().and_then(|entry| {
if entry.metadata.is_dir() {
Some(entry.file_path_buf())
} else {
None
}
})
})
.ok_or(AppError::new(
AppErrorKind::InvalidParameters,
"No directory at cursor.".to_string(),
)),
NewTabMode::Directory(directory) => {
let directory_path = unix::expand_shell_string(directory);
Ok(if directory_path.is_absolute() {
directory_path
} else {
let mut tab_dir = context.tab_context_ref().curr_tab_ref().cwd().to_path_buf();
tab_dir.push(directory_path);
tab_dir
})
}
}?;
if new_tab_path.exists() && new_tab_path.is_dir() {
let id = Uuid::new_v4();
let tab = JoshutoTab::new(
new_tab_path,
context.ui_context_ref(),
context.config_ref().display_options_ref(),
)?;
context.tab_context_mut().insert_tab(id, tab);
let new_index = context.tab_context_ref().len() - 1;
context.tab_context_mut().index = new_index;
_tab_switch(new_index, context)?;
Ok(())
} else {
AppResult::Err(AppError::new(
AppErrorKind::InvalidParameters,
"Directory does not exist.".to_string(),
))
}
}
pub fn close_tab(context: &mut AppContext) -> AppResult {
if context.tab_context_ref().len() <= 1 {
let action = if context.args.change_directory {
QuitAction::OutputCurrentDirectory
} else {
QuitAction::Noop
};
return quit_with_action(context, action);
}
let curr_tab_id = context.tab_context_ref().curr_tab_id();
let mut tab_index = context.tab_context_ref().index;
let _ = context.tab_context_mut().remove_tab(&curr_tab_id);
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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