1use std::sync::Arc;
 2
 3use gpui::{ClickEvent, CursorStyle};
 4
 5use crate::{prelude::*, Color, IconButton, IconButtonShape, IconName, IconSize};
 6
 7#[derive(IntoElement)]
 8pub struct Disclosure {
 9    id: ElementId,
10    is_open: bool,
11    selected: bool,
12    on_toggle: Option<Arc<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>>,
13    cursor_style: CursorStyle,
14}
15
16impl Disclosure {
17    pub fn new(id: impl Into<ElementId>, is_open: bool) -> Self {
18        Self {
19            id: id.into(),
20            is_open,
21            selected: false,
22            on_toggle: None,
23            cursor_style: CursorStyle::PointingHand,
24        }
25    }
26
27    pub fn on_toggle(
28        mut self,
29        handler: impl Into<Option<Arc<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>>>,
30    ) -> Self {
31        self.on_toggle = handler.into();
32        self
33    }
34}
35
36impl Toggleable for Disclosure {
37    fn toggle_state(mut self, selected: bool) -> Self {
38        self.selected = selected;
39        self
40    }
41}
42
43impl Clickable for Disclosure {
44    fn on_click(mut self, handler: impl Fn(&ClickEvent, &mut Window, &mut App) + 'static) -> Self {
45        self.on_toggle = Some(Arc::new(handler));
46        self
47    }
48
49    fn cursor_style(mut self, cursor_style: gpui::CursorStyle) -> Self {
50        self.cursor_style = cursor_style;
51        self
52    }
53}
54
55impl RenderOnce for Disclosure {
56    fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
57        IconButton::new(
58            self.id,
59            match self.is_open {
60                true => IconName::ChevronDown,
61                false => IconName::ChevronRight,
62            },
63        )
64        .shape(IconButtonShape::Square)
65        .icon_color(Color::Muted)
66        .icon_size(IconSize::Small)
67        .toggle_state(self.selected)
68        .when_some(self.on_toggle, move |this, on_toggle| {
69            this.on_click(move |event, window, cx| on_toggle(event, window, cx))
70        })
71    }
72}