dyna3/app-proto/sketch-outline/src/app.rs
2024-09-13 00:07:49 -07:00

72 lines
2.2 KiB
Rust

use itertools::Itertools;
use nalgebra::DVector;
use sycamore::{prelude::*, web::tags::div};
#[derive(Clone, PartialEq)]
struct Element {
id: String,
label: String,
color: [f32; 3],
rep: DVector<f64>,
}
struct AppState {
// the order of the elements is arbitrary, and it could change at any time
elements: Signal<Vec<Element>>
}
#[component]
pub fn App() -> View {
let state = AppState {
elements: create_signal(vec![
Element {
id: String::from("wing_a"),
label: String::from("Wing A"),
color: [1.00_f32, 0.25_f32, 0.00_f32],
rep: DVector::<f64>::from_column_slice(&[0.5, 0.5, 0.0, 0.5, -0.25])
},
Element {
id: String::from("wing_b"),
label: String::from("Wing B"),
color: [1.00_f32, 0.25_f32, 0.00_f32],
rep: DVector::<f64>::from_column_slice(&[-0.5, -0.5, 0.0, 0.5, -0.25])
},
Element {
id: String::from("central"),
label: String::from("Central"),
color: [0.75_f32, 0.75_f32, 0.75_f32],
rep: DVector::<f64>::from_column_slice(&[0.0, 0.0, 0.0, 0.25, -1.0])
}
])
};
// sort the elements alphabetically by ID
let elements_sorted = create_memo(move ||
state.elements
.get_clone()
.into_iter()
.sorted_by_key(|elt| elt.id.clone())
.collect()
);
view! {
ul {
Keyed(
list=elements_sorted,
view=|elt| {
let label = elt.label.clone();
let rep_components = elt.rep.iter().map(
|u| View::from(div().children(u.to_string().replace("-", "\u{2212}")))
).collect::<Vec<_>>();
view! {
li {
div(class="elt-label") { (label) }
div(class="elt-rep") { (rep_components) }
}
}
},
key=|elt| elt.id.clone()
)
}
}
}