ZIm/crates/ui2/src/components/list.rs
Marshall Bowers df5de47a78
Make toggle method accept impl Into<Option<bool>> (#3446)
This PR makes the `toggle` method on the various list components accept
an `impl Into<Option<bool>>` instead of just an `Option<bool>`.

This allows a caller with just a `bool` avoid having to wrap the
`Option` themselves.

Release Notes:

- N/A
2023-11-29 16:13:41 -05:00

73 lines
1.8 KiB
Rust

mod list_header;
mod list_item;
mod list_separator;
mod list_sub_header;
use gpui::{AnyElement, Div};
use smallvec::SmallVec;
use crate::prelude::*;
use crate::{v_stack, Label};
pub use list_header::*;
pub use list_item::*;
pub use list_separator::*;
pub use list_sub_header::*;
#[derive(IntoElement)]
pub struct List {
/// Message to display when the list is empty
/// Defaults to "No items"
empty_message: SharedString,
header: Option<ListHeader>,
toggle: Option<bool>,
children: SmallVec<[AnyElement; 2]>,
}
impl List {
pub fn new() -> Self {
Self {
empty_message: "No items".into(),
header: None,
toggle: None,
children: SmallVec::new(),
}
}
pub fn empty_message(mut self, empty_message: impl Into<SharedString>) -> Self {
self.empty_message = empty_message.into();
self
}
pub fn header(mut self, header: ListHeader) -> Self {
self.header = Some(header);
self
}
pub fn toggle(mut self, toggle: impl Into<Option<bool>>) -> Self {
self.toggle = toggle.into();
self
}
}
impl ParentElement for List {
fn children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> {
&mut self.children
}
}
impl RenderOnce for List {
type Rendered = Div;
fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
v_stack()
.w_full()
.py_1()
.children(self.header.map(|header| header))
.map(|this| match (self.children.is_empty(), self.toggle) {
(false, _) => this.children(self.children),
(true, Some(false)) => this,
(true, _) => this.child(Label::new(self.empty_message.clone()).color(Color::Muted)),
})
}
}