ZIm/crates/ui2/src/components/list.rs
2023-11-22 12:44:51 -05:00

466 lines
14 KiB
Rust

use gpui::{
div, px, AnyElement, ClickEvent, Div, RenderOnce, Stateful, StatefulInteractiveElement,
};
use smallvec::SmallVec;
use std::rc::Rc;
use crate::{
disclosure_control, h_stack, v_stack, Avatar, Icon, IconElement, IconSize, Label, Toggle,
};
use crate::{prelude::*, GraphicSlot};
#[derive(Clone, Copy, Default, Debug, PartialEq)]
pub enum ListItemVariant {
/// The list item extends to the far left and right of the list.
FullWidth,
#[default]
Inset,
}
pub enum ListHeaderMeta {
// TODO: These should be IconButtons
Tools(Vec<Icon>),
// TODO: This should be a button
Button(Label),
Text(Label),
}
#[derive(RenderOnce)]
pub struct ListHeader {
label: SharedString,
left_icon: Option<Icon>,
meta: Option<ListHeaderMeta>,
variant: ListItemVariant,
toggle: Toggle,
}
impl Component for ListHeader {
type Rendered = Div;
fn render(self, cx: &mut WindowContext) -> Self::Rendered {
let disclosure_control = disclosure_control(self.toggle);
let meta = match self.meta {
Some(ListHeaderMeta::Tools(icons)) => div().child(
h_stack()
.gap_2()
.items_center()
.children(icons.into_iter().map(|i| {
IconElement::new(i)
.color(Color::Muted)
.size(IconSize::Small)
})),
),
Some(ListHeaderMeta::Button(label)) => div().child(label),
Some(ListHeaderMeta::Text(label)) => div().child(label),
None => div(),
};
h_stack()
.w_full()
.bg(cx.theme().colors().surface_background)
.relative()
.child(
div()
.h_5()
.when(self.variant == ListItemVariant::Inset, |this| this.px_2())
.flex()
.flex_1()
.items_center()
.justify_between()
.w_full()
.gap_1()
.child(
h_stack()
.gap_1()
.child(
div()
.flex()
.gap_1()
.items_center()
.children(self.left_icon.map(|i| {
IconElement::new(i)
.color(Color::Muted)
.size(IconSize::Small)
}))
.child(Label::new(self.label.clone()).color(Color::Muted)),
)
.child(disclosure_control),
)
.child(meta),
)
}
}
impl ListHeader {
pub fn new(label: impl Into<SharedString>) -> Self {
Self {
label: label.into(),
left_icon: None,
meta: None,
variant: ListItemVariant::default(),
toggle: Toggle::NotToggleable,
}
}
pub fn toggle(mut self, toggle: Toggle) -> Self {
self.toggle = toggle;
self
}
pub fn left_icon(mut self, left_icon: Option<Icon>) -> Self {
self.left_icon = left_icon;
self
}
pub fn meta(mut self, meta: Option<ListHeaderMeta>) -> Self {
self.meta = meta;
self
}
// before_ship!("delete")
// fn render<V: 'static>(self, cx: &mut WindowContext) -> impl Element<V> {
// let disclosure_control = disclosure_control(self.toggle);
// let meta = match self.meta {
// Some(ListHeaderMeta::Tools(icons)) => div().child(
// h_stack()
// .gap_2()
// .items_center()
// .children(icons.into_iter().map(|i| {
// IconElement::new(i)
// .color(TextColor::Muted)
// .size(IconSize::Small)
// })),
// ),
// Some(ListHeaderMeta::Button(label)) => div().child(label),
// Some(ListHeaderMeta::Text(label)) => div().child(label),
// None => div(),
// };
// h_stack()
// .w_full()
// .bg(cx.theme().colors().surface_background)
// // TODO: Add focus state
// // .when(self.state == InteractionState::Focused, |this| {
// // this.border()
// // .border_color(cx.theme().colors().border_focused)
// // })
// .relative()
// .child(
// div()
// .h_5()
// .when(self.variant == ListItemVariant::Inset, |this| this.px_2())
// .flex()
// .flex_1()
// .items_center()
// .justify_between()
// .w_full()
// .gap_1()
// .child(
// h_stack()
// .gap_1()
// .child(
// div()
// .flex()
// .gap_1()
// .items_center()
// .children(self.left_icon.map(|i| {
// IconElement::new(i)
// .color(TextColor::Muted)
// .size(IconSize::Small)
// }))
// .child(Label::new(self.label.clone()).color(TextColor::Muted)),
// )
// .child(disclosure_control),
// )
// .child(meta),
// )
// }
}
#[derive(RenderOnce, Clone)]
pub struct ListSubHeader {
label: SharedString,
left_icon: Option<Icon>,
variant: ListItemVariant,
}
impl ListSubHeader {
pub fn new(label: impl Into<SharedString>) -> Self {
Self {
label: label.into(),
left_icon: None,
variant: ListItemVariant::default(),
}
}
pub fn left_icon(mut self, left_icon: Option<Icon>) -> Self {
self.left_icon = left_icon;
self
}
}
impl Component for ListSubHeader {
type Rendered = Div;
fn render(self, cx: &mut WindowContext) -> Self::Rendered {
h_stack().flex_1().w_full().relative().py_1().child(
div()
.h_6()
.when(self.variant == ListItemVariant::Inset, |this| this.px_2())
.flex()
.flex_1()
.w_full()
.gap_1()
.items_center()
.justify_between()
.child(
div()
.flex()
.gap_1()
.items_center()
.children(self.left_icon.map(|i| {
IconElement::new(i)
.color(Color::Muted)
.size(IconSize::Small)
}))
.child(Label::new(self.label.clone()).color(Color::Muted)),
),
)
}
}
#[derive(Default, PartialEq, Copy, Clone)]
pub enum ListEntrySize {
#[default]
Small,
Medium,
}
#[derive(RenderOnce)]
pub struct ListItem {
id: ElementId,
disabled: bool,
// TODO: Reintroduce this
// disclosure_control_style: DisclosureControlVisibility,
indent_level: u32,
left_slot: Option<GraphicSlot>,
overflow: OverflowStyle,
size: ListEntrySize,
toggle: Toggle,
variant: ListItemVariant,
on_click: Option<Rc<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>>,
children: SmallVec<[AnyElement; 2]>,
}
impl ListItem {
pub fn new(id: impl Into<ElementId>) -> Self {
Self {
id: id.into(),
disabled: false,
indent_level: 0,
left_slot: None,
overflow: OverflowStyle::Hidden,
size: ListEntrySize::default(),
toggle: Toggle::NotToggleable,
variant: ListItemVariant::default(),
on_click: Default::default(),
children: SmallVec::new(),
}
}
pub fn on_click(mut self, handler: impl Fn(&ClickEvent, &mut WindowContext) + 'static) -> Self {
self.on_click = Some(Rc::new(handler));
self
}
pub fn variant(mut self, variant: ListItemVariant) -> Self {
self.variant = variant;
self
}
pub fn indent_level(mut self, indent_level: u32) -> Self {
self.indent_level = indent_level;
self
}
pub fn toggle(mut self, toggle: Toggle) -> Self {
self.toggle = toggle;
self
}
pub fn left_content(mut self, left_content: GraphicSlot) -> Self {
self.left_slot = Some(left_content);
self
}
pub fn left_icon(mut self, left_icon: Icon) -> Self {
self.left_slot = Some(GraphicSlot::Icon(left_icon));
self
}
pub fn left_avatar(mut self, left_avatar: impl Into<SharedString>) -> Self {
self.left_slot = Some(GraphicSlot::Avatar(left_avatar.into()));
self
}
pub fn size(mut self, size: ListEntrySize) -> Self {
self.size = size;
self
}
}
impl Component for ListItem {
type Rendered = Stateful<Div>;
fn render(self, cx: &mut WindowContext) -> Self::Rendered {
let left_content = match self.left_slot.clone() {
Some(GraphicSlot::Icon(i)) => Some(
h_stack().child(
IconElement::new(i)
.size(IconSize::Small)
.color(Color::Muted),
),
),
Some(GraphicSlot::Avatar(src)) => Some(h_stack().child(Avatar::new(src))),
Some(GraphicSlot::PublicActor(src)) => Some(h_stack().child(Avatar::new(src))),
None => None,
};
let sized_item = match self.size {
ListEntrySize::Small => div().h_6(),
ListEntrySize::Medium => div().h_7(),
};
div()
.id(self.id)
.relative()
.hover(|mut style| {
style.background = Some(cx.theme().colors().editor_background.into());
style
})
.on_click({
let on_click = self.on_click.clone();
move |event, cx| {
if let Some(on_click) = &on_click {
(on_click)(event, cx)
}
}
})
// TODO: Add focus state
// .when(self.state == InteractionState::Focused, |this| {
// this.border()
// .border_color(cx.theme().colors().border_focused)
// })
.hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
.active(|style| style.bg(cx.theme().colors().ghost_element_active))
.child(
sized_item
.when(self.variant == ListItemVariant::Inset, |this| this.px_2())
// .ml(rems(0.75 * self.indent_level as f32))
.children((0..self.indent_level).map(|_| {
div()
.w(px(4.))
.h_full()
.flex()
.justify_center()
.group_hover("", |style| style.bg(cx.theme().colors().border_focused))
.child(
h_stack()
.child(div().w_px().h_full())
.child(div().w_px().h_full().bg(cx.theme().colors().border)),
)
}))
.flex()
.gap_1()
.items_center()
.relative()
.child(disclosure_control(self.toggle))
.children(left_content)
.children(self.children),
)
}
}
impl ParentElement for ListItem {
fn children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> {
&mut self.children
}
}
#[derive(RenderOnce, Clone)]
pub struct ListSeparator;
impl ListSeparator {
pub fn new() -> Self {
Self
}
}
impl Component for ListSeparator {
type Rendered = Div;
fn render(self, cx: &mut WindowContext) -> Self::Rendered {
div().h_px().w_full().bg(cx.theme().colors().border_variant)
}
}
#[derive(RenderOnce)]
pub struct List {
/// Message to display when the list is empty
/// Defaults to "No items"
empty_message: SharedString,
header: Option<ListHeader>,
toggle: Toggle,
children: SmallVec<[AnyElement; 2]>,
}
impl Component for List {
type Rendered = Div;
fn render(self, cx: &mut WindowContext) -> Self::Rendered {
let list_content = match (self.children.is_empty(), self.toggle) {
(false, _) => div().children(self.children),
(true, Toggle::Toggled(false)) => div(),
(true, _) => div().child(Label::new(self.empty_message.clone()).color(Color::Muted)),
};
v_stack()
.w_full()
.py_1()
.children(self.header.map(|header| header))
.child(list_content)
}
}
impl List {
pub fn new() -> Self {
Self {
empty_message: "No items".into(),
header: None,
toggle: Toggle::NotToggleable,
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: Toggle) -> Self {
self.toggle = toggle;
self
}
}
impl ParentElement for List {
fn children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> {
&mut self.children
}
}