ZIm/crates/ui2/src/components/list/list_header.rs
2023-12-31 08:33:40 -07:00

127 lines
4.2 KiB
Rust

use gpui::{AnyElement, ClickEvent, Div, Stateful};
use crate::{h_stack, prelude::*, Disclosure, Label};
#[derive(IntoElement)]
pub struct ListHeader {
/// The label of the header.
label: SharedString,
/// A slot for content that appears before the label, like an icon or avatar.
start_slot: Option<AnyElement>,
/// A slot for content that appears after the label, usually on the other side of the header.
/// This might be a button, a disclosure arrow, a face pile, etc.
end_slot: Option<AnyElement>,
/// A slot for content that appears on hover after the label
/// It will obscure the `end_slot` when visible.
end_hover_slot: Option<AnyElement>,
toggle: Option<bool>,
on_toggle: Option<Box<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>>,
inset: bool,
selected: bool,
}
impl ListHeader {
pub fn new(label: impl Into<SharedString>) -> Self {
Self {
label: label.into(),
start_slot: None,
end_slot: None,
end_hover_slot: None,
inset: false,
toggle: None,
on_toggle: None,
selected: false,
}
}
pub fn toggle(mut self, toggle: impl Into<Option<bool>>) -> Self {
self.toggle = toggle.into();
self
}
pub fn on_toggle(
mut self,
on_toggle: impl Fn(&ClickEvent, &mut WindowContext) + 'static,
) -> Self {
self.on_toggle = Some(Box::new(on_toggle));
self
}
pub fn start_slot<E: IntoElement>(mut self, start_slot: impl Into<Option<E>>) -> Self {
self.start_slot = start_slot.into().map(IntoElement::into_any_element);
self
}
pub fn end_slot<E: IntoElement>(mut self, end_slot: impl Into<Option<E>>) -> Self {
self.end_slot = end_slot.into().map(IntoElement::into_any_element);
self
}
pub fn end_hover_slot<E: IntoElement>(mut self, end_hover_slot: impl Into<Option<E>>) -> Self {
self.end_hover_slot = end_hover_slot.into().map(IntoElement::into_any_element);
self
}
pub fn inset(mut self, inset: bool) -> Self {
self.inset = inset;
self
}
}
impl Selectable for ListHeader {
fn selected(mut self, selected: bool) -> Self {
self.selected = selected;
self
}
}
impl RenderOnce for ListHeader {
type Output = Stateful<Div>;
fn render(self, cx: &mut WindowContext) -> Self::Output {
h_stack()
.id(self.label.clone())
.w_full()
.relative()
.group("list_header")
.child(
div()
.h_7()
.when(self.inset, |this| this.px_2())
.when(self.selected, |this| {
this.bg(cx.theme().colors().ghost_element_selected)
})
.flex()
.flex_1()
.items_center()
.justify_between()
.w_full()
.gap_1()
.child(
h_stack()
.gap_1()
.children(self.toggle.map(|is_open| {
Disclosure::new("toggle", is_open).on_toggle(self.on_toggle)
}))
.child(
div()
.flex()
.gap_1()
.items_center()
.children(self.start_slot)
.child(Label::new(self.label.clone()).color(Color::Muted)),
),
)
.child(h_stack().children(self.end_slot))
.when_some(self.end_hover_slot, |this, end_hover_slot| {
this.child(
div()
.absolute()
.right_0()
.visible_on_hover("list_header")
.child(end_hover_slot),
)
}),
)
}
}