dioxus-material 0.3.0

Animation library for Dioxus
Documentation 
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use crate::{use_theme, Ripple};
use dioxus::prelude::*;
use dioxus_resize_observer::{use_resize, Rect};
use dioxus_spring::{use_animated, use_spring};
use dioxus_use_mounted::use_mounted;
use std::{collections::HashMap, time::Duration};

#[component]
pub fn TabRow(tabs: Vec<Element>, selected: usize, onselect: EventHandler<usize>) -> Element {
    let sizes = use_signal(HashMap::new);

    let width = sizes
        .read()
        .get(&selected)
        .map(|rect: &Rect| rect.width() as f32)
        .unwrap_or_default();
    let left: f32 = (0..selected)
        .map(|idx| {
            sizes
                .read()
                .get(&idx)
                .map(|rect: &Rect| rect.width() as f32)
                .unwrap_or_default()
        })
        .sum();

    let value_ref = use_spring([width, left], Duration::from_millis(200));
    let animated_ref = use_mounted();

    let theme = use_theme();
    let primary_color = theme.primary_color.clone();

    use_animated(animated_ref, value_ref, move |[width, left]| {
        format!(
            r"
            position: absolute;
            bottom: 0;
            left: {left}px;
            width: {width}px;
            height: 4px;
            background: {primary_color};
            "
        )
    });

    rsx!(
        div { position: "relative",
            ul {
                display: "flex",
                flex_direction: "row",
                justify_content: "space-evenly",
                list_style: "none",
                margin: 0,
                padding: 0,
                {tabs.iter().enumerate().map(|(idx, tab)| rsx!(TabRowItem { index: idx, sizes: sizes, onselect: move |idx| onselect.call(idx), {tab} }))}
            }
            div { onmounted: move |event| animated_ref.onmounted(event) }
        }
    )
}

#[component]
fn TabRowItem(
    children: Element,
    index: usize,
    sizes: Signal<HashMap<usize, Rect>>,
    onselect: EventHandler<usize>,
) -> Element {
    let mounted = use_mounted();
    let resize = use_resize(mounted);

    use_effect(move || {
        if let Some(content_rect) = &*resize.read() {
            sizes
                .write()
                .entry(index)
                .and_modify(|rect| *rect = content_rect.clone())
                .or_insert(content_rect.clone());
        }
    });

    rsx!(
        li {
            display: "flex",
            flex_direction: "row",
            flex: 1,
            margin: 0,
            padding: 0,
            onmounted: move |event| mounted.onmounted(event),
            Ripple { onclick: move |_| onselect.call(index), children }
        }
    )
}