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use std::iter::Iterator;
use ratatui::buffer::Buffer;
use ratatui::layout::Rect;
use ratatui::widgets::{Clear, Widget};
use crate::config::KeyMapping;
use crate::context::AppContext;
use crate::traits::ToString;
use crate::ui::views::TuiView;
use crate::ui::widgets::TuiMenu;
const BORDER_HEIGHT: usize = 1;
const BOTTOM_MARGIN: usize = 1;
pub struct TuiCommandMenu<'a> {
context: &'a AppContext,
keymap: &'a KeyMapping,
}
impl<'a> TuiCommandMenu<'a> {
pub fn new(context: &'a AppContext, keymap: &'a KeyMapping) -> Self {
Self { context, keymap }
}
}
impl<'a> Widget for TuiCommandMenu<'a> {
fn render(self, area: Rect, buf: &mut Buffer) {
TuiView::new(self.context).render(area, buf);
// draw menu
let mut display_vec: Vec<String> = self
.keymap
.iter()
.map(|(k, v)| format!(" {} {}", k.to_string(), v))
.collect();
display_vec.sort();
let display_str: Vec<&str> = display_vec.iter().map(|v| v.as_str()).collect();
let display_str_len = display_str.len();
let y = if (area.height as usize) < display_str_len + BORDER_HEIGHT + BOTTOM_MARGIN {
0
} else {
area.height - (BORDER_HEIGHT + BOTTOM_MARGIN) as u16 - display_str_len as u16
};
let menu_height = if display_str_len + BORDER_HEIGHT > area.height as usize {
area.height
} else {
(display_str_len + BORDER_HEIGHT) as u16
};
let menu_rect = Rect {
x: 0,
y,
width: area.width,
height: menu_height,
};
Clear.render(menu_rect, buf);
TuiMenu::new(&display_str).render(menu_rect, buf);
}
}
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