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use crate::bool_to_option;
use gloo::events::EventListener;
use std::borrow::Cow;
use wasm_bindgen::prelude::*;
use web_sys::{Element, Node};
use yew::prelude::*;
#[wasm_bindgen(module = "/build/mwc-checkbox.js")]
extern "C" {
#[derive(Debug)]
#[wasm_bindgen(extends = Node)]
type Checkbox;
#[wasm_bindgen(getter, static_method_of = Checkbox)]
fn _dummy_loader() -> JsValue;
#[wasm_bindgen(method, setter)]
fn set_checked(this: &Checkbox, value: bool);
#[wasm_bindgen(method, getter)]
fn checked(this: &Checkbox) -> bool;
}
loader_hack!(Checkbox);
pub struct MatCheckbox {
props: CheckboxProps,
node_ref: NodeRef,
change_listener: Option<EventListener>,
}
#[derive(Debug, Properties, Clone)]
pub struct CheckboxProps {
#[prop_or_default]
pub checked: bool,
#[prop_or_default]
pub indeterminate: bool,
#[prop_or_default]
pub disabled: bool,
#[prop_or_default]
pub value: Cow<'static, str>,
#[prop_or_default]
pub reduced_touch_target: bool,
#[prop_or_default]
pub onchange: Callback<bool>,
}
impl Component for MatCheckbox {
type Message = ();
type Properties = CheckboxProps;
fn create(props: Self::Properties, _: ComponentLink<Self>) -> Self {
Checkbox::ensure_loaded();
Self {
props,
node_ref: NodeRef::default(),
change_listener: None,
}
}
fn update(&mut self, _msg: Self::Message) -> ShouldRender {
false
}
fn change(&mut self, props: Self::Properties) -> bool {
self.props = props;
true
}
fn view(&self) -> Html {
html! {
<mwc-checkbox
indeterminate=bool_to_option(self.props.indeterminate)
disabled=self.props.disabled
value=self.props.value.clone()
reducedTouchTarget=bool_to_option(self.props.reduced_touch_target)
ref=self.node_ref.clone()
></mwc-checkbox>
}
}
fn rendered(&mut self, _first_render: bool) {
let element = self.node_ref.cast::<Checkbox>().unwrap();
element.set_checked(self.props.checked);
if self.change_listener.is_none() {
let callback = self.props.onchange.clone();
let target = self.node_ref.cast::<Element>().unwrap();
self.change_listener = Some(EventListener::new(&target, "change", move |_| {
callback.emit(element.checked());
}));
}
}
}