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use yew::prelude::*;
use crate::elements::button::Button;
#[derive(Clone, Debug, Properties, PartialEq)]
pub struct DropdownProps {
#[prop_or_default]
pub children: Children,
#[prop_or_default]
pub classes: Classes,
#[prop_or_default]
pub hoverable: bool,
#[prop_or_default]
pub button_classes: Classes,
#[prop_or_default]
pub button_html: Html,
}
pub enum DropdownMsg {
Open,
Close,
}
pub struct Dropdown {
is_menu_active: bool,
}
impl Component for Dropdown {
type Message = DropdownMsg;
type Properties = DropdownProps;
fn create(_ctx: &Context<Self>) -> Self {
Self { is_menu_active: false }
}
fn update(&mut self, ctx: &Context<Self>, msg: Self::Message) -> bool {
if ctx.props().hoverable {
return false;
}
match msg {
DropdownMsg::Open => self.is_menu_active = true,
DropdownMsg::Close => self.is_menu_active = false,
}
true
}
fn view(&self, ctx: &Context<Self>) -> Html {
let mut class = Classes::from("dropdown");
class.push(ctx.props().classes.clone());
let opencb = if ctx.props().hoverable {
class.push("is-hoverable");
Callback::noop()
} else {
ctx.link().callback(|_| DropdownMsg::Open)
};
let overlay = if self.is_menu_active {
class.push("is-active");
html! {<div onclick={ctx.link().callback(|_| DropdownMsg::Close)} style="z-index:10;background-color:rgba(0,0,0,0);position:fixed;top:0;bottom:0;left:0;right:0;"></div>}
} else {
html! {}
};
html! {
<div {class}>
{overlay}
<div class="dropdown-trigger">
<Button classes={ctx.props().button_classes.clone()} onclick={opencb}>
{ctx.props().button_html.clone()}
</Button>
</div>
<div class="dropdown-menu" role="menu">
<div class="dropdown-content">
{ctx.props().children.clone()}
</div>
</div>
</div>
}
}
}