ZIm/crates/ui2/src/components/context_menu.rs
2023-10-24 14:18:51 +02:00

103 lines
2.8 KiB
Rust

use crate::{prelude::*, ListItemVariant};
use crate::{v_stack, Label, List, ListEntry, ListItem, ListSeparator, ListSubHeader};
pub enum ContextMenuItem<S: 'static + Send + Sync> {
Header(SharedString),
Entry(Label<S>),
Separator,
}
impl<S: 'static + Send + Sync> ContextMenuItem<S> {
fn to_list_item(self) -> ListItem<S> {
match self {
ContextMenuItem::Header(label) => ListSubHeader::new(label).into(),
ContextMenuItem::Entry(label) => {
ListEntry::new(label).variant(ListItemVariant::Inset).into()
}
ContextMenuItem::Separator => ListSeparator::new().into(),
}
}
pub fn header(label: impl Into<SharedString>) -> Self {
Self::Header(label.into())
}
pub fn separator() -> Self {
Self::Separator
}
pub fn entry(label: Label<S>) -> Self {
Self::Entry(label)
}
}
#[derive(Element)]
pub struct ContextMenu<S: 'static + Send + Sync> {
items: Vec<ContextMenuItem<S>>,
}
impl<S: 'static + Send + Sync> ContextMenu<S> {
pub fn new(items: impl IntoIterator<Item = ContextMenuItem<S>>) -> Self {
Self {
items: items.into_iter().collect(),
}
}
fn render(&mut self, _view: &mut S, cx: &mut ViewContext<S>) -> impl Element<ViewState = S> {
let color = ThemeColor::new(cx);
v_stack()
.flex()
.bg(color.elevated_surface)
.border()
.border_color(color.border)
.child(
List::new(
self.items
.drain(..)
.map(ContextMenuItem::to_list_item)
.collect(),
)
.toggle(ToggleState::Toggled),
)
}
}
#[cfg(feature = "stories")]
pub use stories::*;
#[cfg(feature = "stories")]
mod stories {
use std::marker::PhantomData;
use crate::story::Story;
use super::*;
#[derive(Element)]
pub struct ContextMenuStory<S: 'static + Send + Sync> {
state_type: PhantomData<S>,
}
impl<S: 'static + Send + Sync> ContextMenuStory<S> {
pub fn new() -> Self {
Self {
state_type: PhantomData,
}
}
fn render(
&mut self,
_view: &mut S,
cx: &mut ViewContext<S>,
) -> impl Element<ViewState = S> {
Story::container(cx)
.child(Story::title_for::<_, ContextMenu<S>>(cx))
.child(Story::label(cx, "Default"))
.child(ContextMenu::new([
ContextMenuItem::header("Section header"),
ContextMenuItem::Separator,
ContextMenuItem::entry(Label::new("Some entry")),
]))
}
}
}