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use std::collections::hash_map::IterMut;
use std::collections::HashMap;
use uuid::Uuid;
use crate::config::option::{TabBarDisplayMode, TabBarDisplayOption};
use crate::tab::JoshutoTab;
#[derive(Default)]
pub struct TabContext {
pub index: usize,
pub tab_order: Vec<Uuid>,
pub display: TabBarDisplayOption,
tabs: HashMap<Uuid, JoshutoTab>,
}
impl TabContext {
pub fn new(display: TabBarDisplayOption) -> Self {
Self {
display,
..Default::default()
}
}
pub fn len(&self) -> usize {
self.tab_order.len()
}
pub fn tab_ref(&self, id: &Uuid) -> Option<&JoshutoTab> {
self.tabs.get(id)
}
pub fn tab_mut(&mut self, id: &Uuid) -> Option<&mut JoshutoTab> {
self.tabs.get_mut(id)
}
pub fn curr_tab_id(&self) -> Uuid {
self.tab_order[self.index]
}
pub fn curr_tab_ref(&self) -> &JoshutoTab {
let id = &self.tab_order[self.index];
self.tabs.get(id).unwrap()
}
pub fn curr_tab_mut(&mut self) -> &mut JoshutoTab {
let id = &self.tab_order[self.index];
self.tabs.get_mut(id).unwrap()
}
pub fn insert_tab(&mut self, id: Uuid, tab: JoshutoTab) {
self.tabs.insert(id, tab);
self.tab_order.push(id);
}
pub fn remove_tab(&mut self, id: &Uuid) -> Option<JoshutoTab> {
let tab = self.tabs.remove(id);
for i in 0..self.tab_order.len() {
if self.tab_order[i] == *id {
self.tab_order.remove(i);
break;
}
}
tab
}
pub fn iter_mut(&mut self) -> IterMut<Uuid, JoshutoTab> {
self.tabs.iter_mut()
}
pub fn tab_title_width(&self) -> usize {
self.tabs
.values()
.map(|tab| {
let title_len = tab.tab_title().len();
(title_len > self.display.max_len)
.then(|| self.display.max_len)
.unwrap_or(title_len)
})
.sum()
}
pub fn tab_area_width(&self) -> usize {
let width_without_divider = match self.display.mode {
TabBarDisplayMode::Number => (1..=self.len()).map(|n| n.to_string().len() + 2).sum(), // each number has a horizontal padding(1 char width)
TabBarDisplayMode::Directory => self.tab_title_width(),
TabBarDisplayMode::All => {
// [number][: ](width = 2)[title]
self.tab_title_width()
+ (1..=self.len())
.map(|n| n.to_string().len() + 2)
.sum::<usize>()
}
};
width_without_divider + 3 * (self.len() - 1)
}
}
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