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use dominator::{class, events, html, pseudo, with_node, Dom};
use factoryizer::Factory;
use futures_signals::signal::{Mutable, SignalExt};
use gloo_timers::callback::Timeout;
use wasm_bindgen::JsCast;
use web_sys::HtmlInputElement;
use crate::helpers::safety::{parent_or_self, rand_id};
use super::{
ty::{Colour, Reactive},
Component,
};
#[derive(Factory, Default)]
pub struct SegmentedControl {
colour: Colour,
options: Vec<(String, String)>,
pub value: Mutable<String>,
#[skip]
offset: Mutable<(i32, i32)>,
#[skip]
ready: Mutable<bool>,
#[skip]
styles: Vec<(String, Reactive<String>)>,
}
impl SegmentedControl {
pub fn default_value(&mut self, value: &str) -> &mut Self {
if self.value.get_cloned().is_empty() {
self.value = Mutable::new(value.to_string());
}
self
}
pub fn option(&mut self, option: (&str, &str)) -> &mut Self {
self.options
.push((option.0.to_string(), option.1.to_string()));
self
}
}
impl Component for SegmentedControl {
fn style(&mut self, style: (String, Reactive<String>)) -> &mut Self {
self.styles.push(style);
self
}
fn dom(&mut self) -> Dom {
if self.value.get_cloned().is_empty() && self.options.len() > 0 {
self.value = Mutable::new(self.options[0].0.clone());
}
html!("div", {
.class("flex")
.child(
html!("div", {
// Container
.class("py-2")
.class("px-2")
// Controls
.class("relative")
.class("inline-flex")
.class("justify-between")
.class("text-xl")
// Segment (tw)
.class("border")
.class("border-neutral-200")
.class("rounded-lg")
.class("shadow-sm")
.class(
class! {
// Variables
.style_signal("--seg-x", self.offset.signal_cloned().map(|(v, _)| format!("{}px", v)))
.style_signal("--seg-w", self.offset.signal_cloned().map(|(_, v)| format!("{}px", v)))
// Segment
.pseudo!("::before", {
.style("content", "''")
.style("background", self.colour.to_string())
.style("position", "absolute")
.style("width", "var(--seg-w)")
.style("transform", "translateX(var(--seg-x))")
.style("top", "4px")
.style("bottom", "4px")
.style("left", "0")
.style("z-index", "0")
.style("border-radius", "0.5rem")
.style_signal("transition", self.ready.signal_cloned().map(|ready| if ready {
"transform 0.2s ease-in-out"
} else {
"none"
}))
})
}
)
.apply({
let name = rand_id();
let options = self.options.clone();
move |mut d| {
for (k, v) in options.into_iter() {
let id = rand_id();
d = d.child(html!("div", {
.class("relative")
.class("z-[1]")
.class("text-center")
.class("px-4")
.child(html!("input", {
.prop("name", name.clone())
.prop("id", id.clone())
.prop("type", "radio")
.prop_signal("checked", self.value.signal_cloned().map({
let v = v.clone();
move |value| value == v
}))
.with_node!(e => {
.event({
let e = e.clone();
let offset_signal = self.offset.clone();
let value_signal = self.value.clone();
let own_value = v.clone();
move |_: events::Change| {
let e = parent_or_self(e.clone());
value_signal.set(own_value.clone());
offset_signal.set((e.offset_left(), e.offset_width()));
}
})
.after_inserted({
let offset_signal = self.offset.clone();
let ready_signal = self.ready.clone();
move |e| {
if e.dyn_ref::<HtmlInputElement>().unwrap().checked() {
// TODO: Use mutation observer instead
let t = Timeout::new(200, move || {
let e = parent_or_self(e.clone());
offset_signal.set((e.offset_left(), e.offset_width()));
let t = Timeout::new(200, move || {
ready_signal.set(true);
});
t.forget();
});
t.forget();
}
}})
})
.class("opacity-0")
.class("absolute")
.class("top-0")
.class("left-0")
.class("cursor-pointer")
.class("w-full")
.class("h-full")
}))
.child(html!("label", {
.text(&k)
.attr("for", &id.clone())
.class("user-select-none")
.class("cursor-pointer")
.class("max-w-[10rem]")
.class("truncate")
.class("transition")
.class("font-semibold")
.class_signal("text-white", self.value.signal_cloned().map({
let v = v.clone();
move |value| value == v
}))
}))
}));
}
d
}
})
})
)
})
}
}