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use freya_core::prelude::*;
use torin::prelude::*;
use crate::{
get_theme,
theming::component_themes::{
RadioItemTheme,
RadioItemThemePartial,
},
};
/// Radio component.
///
/// # Example
///
/// ```rust
/// # use std::collections::HashSet;
/// # use freya::prelude::*;
/// fn app() -> impl IntoElement {
/// let mut checked = use_state(|| false);
///
/// rect()
/// .child(
/// Tile::new()
/// .on_select(move |_| checked.toggle())
/// .child(RadioItem::new().selected(checked()))
/// .leading("Click to check"),
/// )
/// .child(
/// Tile::new()
/// .on_select(move |_| checked.toggle())
/// .child(RadioItem::new().selected(!checked()))
/// .child("Click to check"),
/// )
/// }
///
/// # use freya_testing::prelude::*;
/// # launch_doc(|| {
/// # rect()
/// .spacing(8.).center().expanded().child(app())
/// # }, (250., 250.).into(), "./images/gallery_radio.png");
/// ```
///
/// # Preview
/// ![Radio Preview][radio]
#[cfg_attr(feature = "docs",
doc = embed_doc_image::embed_image!("radio", "images/gallery_radio.png")
)]
#[derive(Clone, PartialEq)]
pub struct RadioItem {
pub(crate) theme: Option<RadioItemThemePartial>,
key: DiffKey,
selected: bool,
size: f32,
}
impl Default for RadioItem {
fn default() -> Self {
Self::new()
}
}
impl RadioItem {
pub fn new() -> Self {
Self {
selected: false,
theme: None,
key: DiffKey::None,
size: 20.,
}
}
pub fn selected(mut self, selected: bool) -> Self {
self.selected = selected;
self
}
pub fn theme(mut self, theme: RadioItemThemePartial) -> Self {
self.theme = Some(theme);
self
}
pub fn key(mut self, key: impl Into<DiffKey>) -> Self {
self.key = key.into();
self
}
pub fn size(mut self, size: impl Into<f32>) -> Self {
self.size = size.into();
self
}
}
impl Render for RadioItem {
fn render(&self) -> impl IntoElement {
let focus = use_focus();
let focus_status = use_focus_status(focus);
let RadioItemTheme {
unselected_fill,
selected_fill,
border_fill,
} = get_theme!(&self.theme, radio);
let fill = if self.selected {
selected_fill
} else {
unselected_fill
};
let border = Border::new()
.fill(fill)
.width(2.)
.alignment(BorderAlignment::Inner);
let focused_border = (focus_status() == FocusStatus::Keyboard).then(|| {
Border::new()
.fill(border_fill)
.width((self.size * 0.15).ceil())
.alignment(BorderAlignment::Outer)
});
rect()
.a11y_id(focus.a11y_id())
.a11y_focusable(Focusable::Enabled)
.width(Size::px(self.size))
.height(Size::px(self.size))
.border(border)
.border(focused_border)
.padding(Gaps::new_all(4.0))
.main_align(Alignment::center())
.cross_align(Alignment::center())
.corner_radius(CornerRadius::new_all(99.))
.on_key_down(move |e: Event<KeyboardEventData>| {
if !Focus::is_pressed(&e) {
e.stop_propagation();
}
})
.maybe_child(self.selected.then(|| {
rect()
.width(Size::px((self.size * 0.55).floor()))
.height(Size::px((self.size * 0.55).floor()))
.background(fill)
.corner_radius(CornerRadius::new_all(99.))
}))
}
fn render_key(&self) -> DiffKey {
self.key.clone().or(self.default_key())
}
}
pub fn radio() -> RadioItem {
RadioItem::new()
}