303 lines
10 KiB
Rust
303 lines
10 KiB
Rust
use std::{cell::RefCell, collections::HashSet, rc::Rc, sync::Arc};
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use gpui::{
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div, prelude::FluentBuilder as _, rems, AnyElement, App, Div, ElementId,
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InteractiveElement as _, IntoElement, ParentElement, RenderOnce, SharedString,
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StatefulInteractiveElement as _, Styled, Window,
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};
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use crate::{h_flex, v_flex, ActiveTheme as _, Icon, IconName, Sizable, Size};
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/// An AccordionGroup is a container for multiple Accordion elements.
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#[derive(IntoElement)]
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pub struct Accordion {
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id: ElementId,
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base: Div,
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multiple: bool,
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size: Size,
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bordered: bool,
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disabled: bool,
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children: Vec<AccordionItem>,
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on_toggle_click: Option<Arc<dyn Fn(&[usize], &mut Window, &mut App) + Send + Sync>>,
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}
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impl Accordion {
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pub fn new(id: impl Into<ElementId>) -> Self {
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Self {
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id: id.into(),
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base: v_flex().gap_1(),
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multiple: false,
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size: Size::default(),
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bordered: true,
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children: Vec::new(),
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disabled: false,
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on_toggle_click: None,
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}
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}
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pub fn multiple(mut self, multiple: bool) -> Self {
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self.multiple = multiple;
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self
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}
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pub fn bordered(mut self, bordered: bool) -> Self {
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self.bordered = bordered;
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self
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}
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pub fn disabled(mut self, disabled: bool) -> Self {
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self.disabled = disabled;
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self
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}
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pub fn item<F>(mut self, child: F) -> Self
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where
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F: FnOnce(AccordionItem) -> AccordionItem,
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{
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let item = child(AccordionItem::new());
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self.children.push(item);
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self
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}
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/// Sets the on_toggle_click callback for the AccordionGroup.
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///
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/// The first argument `Vec<usize>` is the indices of the open accordions.
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pub fn on_toggle_click(
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mut self,
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on_toggle_click: impl Fn(&[usize], &mut Window, &mut App) + Send + Sync + 'static,
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) -> Self {
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self.on_toggle_click = Some(Arc::new(on_toggle_click));
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self
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}
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}
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impl Sizable for Accordion {
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fn with_size(mut self, size: impl Into<Size>) -> Self {
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self.size = size.into();
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self
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}
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}
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impl RenderOnce for Accordion {
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fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
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let open_ixs = Rc::new(RefCell::new(HashSet::new()));
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let is_multiple = self.multiple;
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self.base
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.id(self.id)
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.children(
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self.children
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.into_iter()
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.enumerate()
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.map(|(ix, accordion)| {
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if accordion.open {
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open_ixs.borrow_mut().insert(ix);
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}
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accordion
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.index(ix)
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.with_size(self.size)
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.bordered(self.bordered)
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.disabled(self.disabled)
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.on_toggle_click({
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let open_ixs = Rc::clone(&open_ixs);
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move |open, _, _| {
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let mut open_ixs = open_ixs.borrow_mut();
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if *open {
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if !is_multiple {
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open_ixs.clear();
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}
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open_ixs.insert(ix);
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} else {
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open_ixs.remove(&ix);
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}
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}
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})
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}),
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)
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.when_some(
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self.on_toggle_click.filter(|_| !self.disabled),
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move |this, on_toggle_click| {
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let open_ixs = Rc::clone(&open_ixs);
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this.on_click(move |_, window, cx| {
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let open_ixs: Vec<usize> = open_ixs.borrow().iter().map(|&ix| ix).collect();
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on_toggle_click(&open_ixs, window, cx);
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})
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},
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)
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}
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}
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/// An Accordion is a vertically stacked list of items, each of which can be expanded to reveal the content associated with it.
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#[derive(IntoElement)]
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pub struct AccordionItem {
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index: usize,
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icon: Option<Icon>,
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title: AnyElement,
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content: AnyElement,
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open: bool,
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size: Size,
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bordered: bool,
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disabled: bool,
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on_toggle_click: Option<Arc<dyn Fn(&bool, &mut Window, &mut App)>>,
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}
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impl AccordionItem {
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pub fn new() -> Self {
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Self {
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index: 0,
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icon: None,
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title: SharedString::default().into_any_element(),
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content: SharedString::default().into_any_element(),
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open: false,
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disabled: false,
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on_toggle_click: None,
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size: Size::default(),
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bordered: true,
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}
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}
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fn index(mut self, index: usize) -> Self {
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self.index = index;
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self
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}
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pub fn icon(mut self, icon: impl Into<Icon>) -> Self {
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self.icon = Some(icon.into());
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self
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}
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pub fn title(mut self, title: impl IntoElement) -> Self {
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self.title = title.into_any_element();
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self
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}
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pub fn content(mut self, content: impl IntoElement) -> Self {
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self.content = content.into_any_element();
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self
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}
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pub fn bordered(mut self, bordered: bool) -> Self {
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self.bordered = bordered;
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self
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}
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pub fn open(mut self, open: bool) -> Self {
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self.open = open;
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self
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}
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pub fn disabled(mut self, disabled: bool) -> Self {
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self.disabled = disabled;
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self
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}
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fn on_toggle_click(
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mut self,
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on_toggle_click: impl Fn(&bool, &mut Window, &mut App) + 'static,
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) -> Self {
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self.on_toggle_click = Some(Arc::new(on_toggle_click));
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self
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}
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}
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impl Sizable for AccordionItem {
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fn with_size(mut self, size: impl Into<Size>) -> Self {
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self.size = size.into();
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self
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}
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}
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impl RenderOnce for AccordionItem {
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fn render(self, _: &mut Window, cx: &mut App) -> impl IntoElement {
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let text_size = match self.size {
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Size::XSmall => rems(0.875),
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Size::Small => rems(0.875),
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_ => rems(1.0),
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};
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div().flex_1().child(
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v_flex()
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.w_full()
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.bg(cx.theme().accordion)
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.overflow_hidden()
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.when(self.bordered, |this| {
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this.border_1()
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.rounded(cx.theme().radius)
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.border_color(cx.theme().border)
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})
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.text_size(text_size)
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.child(
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h_flex()
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.id(self.index)
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.justify_between()
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.gap_3()
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.map(|this| match self.size {
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Size::XSmall => this.py_0().px_1p5(),
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Size::Small => this.py_0p5().px_2(),
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Size::Large => this.py_1p5().px_4(),
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_ => this.py_1().px_3(),
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})
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.when(self.open, |this| {
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this.when(self.bordered, |this| {
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this.bg(cx.theme().accordion_active)
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.text_color(cx.theme().foreground)
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.border_b_1()
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.border_color(cx.theme().border)
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})
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})
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.when(!self.bordered, |this| {
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this.border_b_1().border_color(cx.theme().border)
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})
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.child(
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h_flex()
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.items_center()
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.map(|this| match self.size {
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Size::XSmall => this.gap_1(),
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Size::Small => this.gap_1(),
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_ => this.gap_2(),
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})
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.when_some(self.icon, |this, icon| {
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this.child(
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icon.with_size(self.size)
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.text_color(cx.theme().muted_foreground),
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)
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})
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.child(self.title),
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)
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.when(!self.disabled, |this| {
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this.hover(|this| this.bg(cx.theme().accordion_hover))
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.child(
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Icon::new(if self.open {
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IconName::ChevronUp
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} else {
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IconName::ChevronDown
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})
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.xsmall()
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.text_color(cx.theme().muted_foreground),
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)
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.when_some(self.on_toggle_click, |this, on_toggle_click| {
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this.on_click({
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move |_, window, cx| {
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on_toggle_click(&!self.open, window, cx);
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}
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})
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})
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}),
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)
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.when(self.open, |this| {
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this.child(
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div()
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.map(|this| match self.size {
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Size::XSmall => this.p_1p5(),
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Size::Small => this.p_2(),
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Size::Large => this.p_4(),
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_ => this.p_3(),
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})
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.child(self.content),
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)
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}),
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)
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}
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}
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