use dioxus::prelude::*;
use crate::{
cn,
uikit::{
Size,
primitives::{Controllable, use_controllable},
},
};
#[component]
pub fn Select(
value: Option<String>,
#[props(default)] default_value: String,
on_value_change: Option<EventHandler<String>>,
open: Option<bool>,
#[props(default)] default_open: bool,
on_open_change: Option<EventHandler<bool>>,
#[props(default)] class: String,
children: Element,
) -> Element {
let value = use_controllable(value, default_value, on_value_change);
let open = use_controllable(open, default_open, on_open_change);
use_context_provider(|| SelectCtx { value, open });
let cls = cn!("relative", class);
rsx! {
div { class: cls, "data-slot": "select", {children} }
}
}
#[component]
pub fn SelectTrigger(#[props(default)] size: Size, #[props(default)] class: String, children: Element) -> Element {
let ctx = use_context::<SelectCtx>();
let open = ctx.open.get();
let data_state = if open { "open" } else { "closed" };
let cls = cn!(
"border-input data-[placeholder]:text-muted-foreground [&_svg:not([class*='text-'])]:text-muted-foreground \
focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 aria-invalid:border-destructive \
flex w-fit items-center justify-between gap-2 rounded-md border bg-transparent px-3 py-2 text-sm whitespace-nowrap shadow-xs \
transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 \
*:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex \
*:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 \
[&_svg:not([class*='size-'])]:size-4",
&format!("h-{}", size.scale()),
class
);
rsx! {
button {
r#type: "button",
role: "combobox",
class: cls,
"data-slot": "select-trigger",
"data-state": data_state,
"aria-expanded": if open { "true" } else { "false" },
onclick: move |_| ctx.open.set(!ctx.open.get()),
{children}
svg {
xmlns: "http://www.w3.org/2000/svg",
width: "24",
height: "24",
view_box: "0 0 24 24",
fill: "none",
stroke: "currentColor",
stroke_width: "2",
stroke_linecap: "round",
stroke_linejoin: "round",
class: "size-4 opacity-50",
path { d: "m6 9 6 6 6-6" }
}
}
}
}
#[component]
pub fn SelectValue(#[props(default)] placeholder: String, #[props(default)] class: String) -> Element {
let ctx = use_context::<SelectCtx>();
let value = ctx.value.get();
let is_empty = value.is_empty();
let label = if is_empty { placeholder } else { value };
rsx! {
span {
class,
"data-slot": "select-value",
"data-placeholder": if is_empty { Some("true") } else { None },
{label}
}
}
}
#[component]
pub fn SelectContent(#[props(default)] class: String, children: Element) -> Element {
let ctx = use_context::<SelectCtx>();
if !ctx.open.get() {
return rsx! {};
}
let cls = cn!(
"bg-popover text-popover-foreground relative z-50 max-h-(--radix-select-content-available-height) min-w-[8rem] \
origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border shadow-md",
class
);
rsx! {
div {
class: "fixed inset-0 z-40",
onclick: move |_| ctx.open.set(false),
}
div {
role: "listbox",
class: cls,
"data-slot": "select-content",
"data-state": "open",
tabindex: "-1",
onkeydown: move |e| {
if e.key() == Key::Escape {
ctx.open.set(false);
}
},
div { class: "p-1", {children} }
}
}
}
#[component]
pub fn SelectItem(value: String, #[props(default)] class: String, children: Element) -> Element {
let ctx = use_context::<SelectCtx>();
let selected = ctx.value.get() == value;
let cls = cn!(
"focus:bg-accent focus:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground relative flex w-full \
cursor-default items-center gap-2 rounded-sm py-1.5 pr-8 pl-2 text-sm outline-hidden select-none \
data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 \
[&_svg:not([class*='size-'])]:size-4 *:[span]:last:flex *:[span]:last:items-center *:[span]:last:gap-2",
class
);
let select_value = {
let value = value.clone();
move |_| {
ctx.value.set(value.clone());
ctx.open.set(false);
}
};
rsx! {
div {
role: "option",
class: cls,
"data-slot": "select-item",
"aria-selected": if selected { "true" } else { "false" },
tabindex: "-1",
onclick: select_value,
if selected {
span { class: "absolute right-2 flex size-3.5 items-center justify-center",
svg {
xmlns: "http://www.w3.org/2000/svg",
width: "24",
height: "24",
view_box: "0 0 24 24",
fill: "none",
stroke: "currentColor",
stroke_width: "2",
stroke_linecap: "round",
stroke_linejoin: "round",
class: "size-4",
path { d: "M20 6 9 17l-5-5" }
}
}
}
span { {children} }
}
}
}
#[component]
pub fn SelectGroup(#[props(default)] class: String, children: Element) -> Element {
rsx! {
div { role: "group", class, "data-slot": "select-group", {children} }
}
}
#[component]
pub fn SelectLabel(#[props(default)] class: String, children: Element) -> Element {
let cls = cn!("text-muted-foreground px-2 py-1.5 text-xs", class);
rsx! {
div { class: cls, "data-slot": "select-label", {children} }
}
}
#[component]
pub fn SelectSeparator(#[props(default)] class: String) -> Element {
let cls = cn!("bg-border pointer-events-none -mx-1 my-1 h-px", class);
rsx! {
div { class: cls, "data-slot": "select-separator" }
}
}
#[derive(Clone)]
struct SelectCtx {
value: Controllable<String>,
open: Controllable<bool>,
}
#[cfg(test)]
mod tests {
use super::*;
use crate::uikit::test_util::render;
#[test]
fn closed_hides_content() {
fn app() -> Element {
rsx! {
Select {
SelectTrigger {
SelectValue { placeholder: "Pick".to_string() }
}
SelectContent {
SelectItem { value: "a", "Apple" }
}
}
}
}
let html = render(app);
assert!(html.contains("role=\"combobox\""), "{html}");
assert!(html.contains("Pick"), "placeholder shown: {html}");
assert!(!html.contains("Apple"), "options hidden while closed: {html}");
}
#[test]
fn open_shows_listbox_and_options() {
fn app() -> Element {
rsx! {
Select { default_open: true,
SelectTrigger {
SelectValue { placeholder: "Pick".to_string() }
}
SelectContent {
SelectItem { value: "a", "Apple" }
}
}
}
}
let html = render(app);
assert!(html.contains("role=\"listbox\""), "{html}");
assert!(html.contains("role=\"option\""), "{html}");
assert!(html.contains("Apple"), "{html}");
}
#[test]
fn selected_value_replaces_placeholder() {
fn app() -> Element {
rsx! {
Select { default_value: "a".to_string(), default_open: true,
SelectTrigger {
SelectValue { placeholder: "Pick".to_string() }
}
SelectContent {
SelectItem { value: "a", "Apple" }
}
}
}
}
let html = render(app);
assert!(html.contains("aria-selected=\"true\""), "{html}");
assert!(!html.contains("data-placeholder"), "value replaces placeholder: {html}");
}
#[test]
fn trigger_size_sm() {
fn app() -> Element {
rsx! {
Select {
SelectTrigger { size: Size::Sm, "x" }
}
}
}
let html = render(app);
assert!(html.contains("h-8"), "{html}");
}
}