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use super::{Traversal, Tree, TreeIndex};
use petgraph::Direction;
use tui::{
buffer::Buffer,
layout::{Corner, Rect},
widgets::{Block, Borders, List, Text, Widget},
};
pub struct Entries<'a> {
pub tree: &'a Tree,
pub root: TreeIndex,
}
pub struct InitWindow<'a> {
pub traversal: &'a Traversal,
}
impl<'a> Widget for InitWindow<'a> {
fn draw(&mut self, area: Rect, buf: &mut Buffer) {
let Self {
traversal: Traversal {
tree, root_index, ..
},
} = self;
Entries {
tree: tree,
root: *root_index,
}
.draw(area, buf);
}
}
impl<'a> Widget for Entries<'a> {
fn draw(&mut self, area: Rect, buf: &mut Buffer) {
let Self { tree, root } = self;
List::new(
tree.neighbors_directed(*root, Direction::Outgoing)
.filter_map(|w| {
tree.node_weight(w).map(|w| {
Text::Raw(
format!("{} | ----- | {}", w.size, w.name.to_string_lossy()).into(),
)
})
}),
)
.block(Block::default().borders(Borders::ALL).title("Entries"))
.start_corner(Corner::TopLeft)
.draw(area, buf);
}
}
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