ZIm/crates/ui2/src/components/list.rs
Nate Butler 3f74f75dee WIP
2023-11-01 16:19:49 -04:00

617 lines
18 KiB
Rust

use gpui2::{div, px, relative, Div};
use crate::settings::user_settings;
use crate::{
h_stack, v_stack, Avatar, ClickHandler, Icon, IconColor, IconElement, IconSize, Label,
LabelColor,
};
use crate::{prelude::*, Button};
#[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(Component)]
pub struct ListHeader {
label: SharedString,
left_icon: Option<Icon>,
meta: Option<ListHeaderMeta>,
variant: ListItemVariant,
toggleable: Toggleable,
}
impl ListHeader {
pub fn new(label: impl Into<SharedString>) -> Self {
Self {
label: label.into(),
left_icon: None,
meta: None,
variant: ListItemVariant::default(),
toggleable: Toggleable::NotToggleable,
}
}
pub fn toggle(mut self, toggle: ToggleState) -> Self {
self.toggleable = toggle.into();
self
}
pub fn toggleable(mut self, toggleable: Toggleable) -> Self {
self.toggleable = toggleable;
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
}
fn disclosure_control<V: 'static>(&self) -> Div<V> {
let is_toggleable = self.toggleable != Toggleable::NotToggleable;
let is_toggled = Toggleable::is_toggled(&self.toggleable);
match (is_toggleable, is_toggled) {
(false, _) => div(),
(_, true) => div().child(
IconElement::new(Icon::ChevronDown)
.color(IconColor::Muted)
.size(IconSize::Small),
),
(_, false) => div().child(
IconElement::new(Icon::ChevronRight)
.color(IconColor::Muted)
.size(IconSize::Small),
),
}
}
fn render<V: 'static>(self, _view: &mut V, cx: &mut ViewContext<V>) -> impl Component<V> {
let is_toggleable = self.toggleable != Toggleable::NotToggleable;
let is_toggled = self.toggleable.is_toggled();
let disclosure_control = self.disclosure_control();
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(IconColor::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)
// 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(IconColor::Muted)
.size(IconSize::Small)
}))
.child(Label::new(self.label.clone()).color(LabelColor::Muted)),
)
.child(disclosure_control),
)
.child(meta),
)
}
}
#[derive(Component)]
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
}
fn render<V: 'static>(self, _view: &mut V, cx: &mut ViewContext<V>) -> impl Component<V> {
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(IconColor::Muted)
.size(IconSize::Small)
}))
.child(Label::new(self.label.clone()).color(LabelColor::Muted)),
),
)
}
}
#[derive(Clone)]
pub enum LeftContent {
Icon(Icon),
Avatar(SharedString),
}
#[derive(Default, PartialEq, Copy, Clone)]
pub enum ListEntrySize {
#[default]
Small,
Medium,
}
#[derive(Component)]
pub enum ListItem<V: 'static> {
Entry(ListEntry),
Details(ListDetailsEntry<V>),
Separator(ListSeparator),
Header(ListSubHeader),
}
impl<V: 'static> From<ListEntry> for ListItem<V> {
fn from(entry: ListEntry) -> Self {
Self::Entry(entry)
}
}
impl<V: 'static> From<ListDetailsEntry<V>> for ListItem<V> {
fn from(entry: ListDetailsEntry<V>) -> Self {
Self::Details(entry)
}
}
impl<V: 'static> From<ListSeparator> for ListItem<V> {
fn from(entry: ListSeparator) -> Self {
Self::Separator(entry)
}
}
impl<V: 'static> From<ListSubHeader> for ListItem<V> {
fn from(entry: ListSubHeader) -> Self {
Self::Header(entry)
}
}
impl<V: 'static> ListItem<V> {
fn render(self, view: &mut V, cx: &mut ViewContext<V>) -> impl Component<V> {
match self {
ListItem::Entry(entry) => div().child(entry.render(view, cx)),
ListItem::Separator(separator) => div().child(separator.render(view, cx)),
ListItem::Header(header) => div().child(header.render(view, cx)),
ListItem::Details(details) => div().child(details.render(view, cx)),
}
}
pub fn new(label: Label) -> Self {
Self::Entry(ListEntry::new(label))
}
pub fn as_entry(&mut self) -> Option<&mut ListEntry> {
if let Self::Entry(entry) = self {
Some(entry)
} else {
None
}
}
}
#[derive(Component)]
pub struct ListEntry {
disclosure_control_style: DisclosureControlVisibility,
indent_level: u32,
label: Label,
left_content: Option<LeftContent>,
variant: ListItemVariant,
size: ListEntrySize,
state: InteractionState,
toggle: Option<ToggleState>,
overflow: OverflowStyle,
}
impl ListEntry {
pub fn new(label: Label) -> Self {
Self {
disclosure_control_style: DisclosureControlVisibility::default(),
indent_level: 0,
label,
variant: ListItemVariant::default(),
left_content: None,
size: ListEntrySize::default(),
state: InteractionState::default(),
// TODO: Should use Toggleable::NotToggleable
// or remove Toggleable::NotToggleable from the system
toggle: None,
overflow: OverflowStyle::Hidden,
}
}
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: ToggleState) -> Self {
self.toggle = Some(toggle);
self
}
pub fn left_content(mut self, left_content: LeftContent) -> Self {
self.left_content = Some(left_content);
self
}
pub fn left_icon(mut self, left_icon: Icon) -> Self {
self.left_content = Some(LeftContent::Icon(left_icon));
self
}
pub fn left_avatar(mut self, left_avatar: impl Into<SharedString>) -> Self {
self.left_content = Some(LeftContent::Avatar(left_avatar.into()));
self
}
pub fn state(mut self, state: InteractionState) -> Self {
self.state = state;
self
}
pub fn size(mut self, size: ListEntrySize) -> Self {
self.size = size;
self
}
pub fn disclosure_control_style(
mut self,
disclosure_control_style: DisclosureControlVisibility,
) -> Self {
self.disclosure_control_style = disclosure_control_style;
self
}
fn label_color(&self) -> LabelColor {
match self.state {
InteractionState::Disabled => LabelColor::Disabled,
_ => Default::default(),
}
}
fn icon_color(&self) -> IconColor {
match self.state {
InteractionState::Disabled => IconColor::Disabled,
_ => Default::default(),
}
}
fn disclosure_control<V: 'static>(
&mut self,
cx: &mut ViewContext<V>,
) -> Option<impl Component<V>> {
let disclosure_control_icon = if let Some(ToggleState::Toggled) = self.toggle {
IconElement::new(Icon::ChevronDown)
} else {
IconElement::new(Icon::ChevronRight)
}
.color(IconColor::Muted)
.size(IconSize::Small);
match (self.toggle, self.disclosure_control_style) {
(Some(_), DisclosureControlVisibility::OnHover) => {
Some(div().absolute().neg_left_5().child(disclosure_control_icon))
}
(Some(_), DisclosureControlVisibility::Always) => {
Some(div().child(disclosure_control_icon))
}
(None, _) => None,
}
}
fn render<V: 'static>(mut self, _view: &mut V, cx: &mut ViewContext<V>) -> impl Component<V> {
let settings = user_settings(cx);
let left_content = match self.left_content.clone() {
Some(LeftContent::Icon(i)) => Some(
h_stack().child(
IconElement::new(i)
.size(IconSize::Small)
.color(IconColor::Muted),
),
),
Some(LeftContent::Avatar(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()
.relative()
.group("")
.bg(cx.theme().colors().surface)
.when(self.state == InteractionState::Focused, |this| {
this.border()
.border_color(cx.theme().colors().border_focused)
})
.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(*settings.list_indent_depth)
.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()
.children(self.disclosure_control(cx))
.children(left_content)
.child(self.label),
)
}
}
struct ListDetailsEntryHandlers<V: 'static> {
click: Option<ClickHandler<V>>,
}
impl<V: 'static> Default for ListDetailsEntryHandlers<V> {
fn default() -> Self {
Self { click: None }
}
}
#[derive(Component)]
pub struct ListDetailsEntry<V: 'static> {
label: SharedString,
meta: Option<SharedString>,
left_content: Option<LeftContent>,
handlers: ListDetailsEntryHandlers<V>,
actions: Option<Vec<Button<V>>>,
// TODO: make this more generic instead of
// specifically for notifications
seen: bool,
}
impl<V: 'static> ListDetailsEntry<V> {
pub fn new(label: impl Into<SharedString>) -> Self {
Self {
label: label.into(),
meta: None,
left_content: None,
handlers: ListDetailsEntryHandlers::default(),
actions: None,
seen: false,
}
}
pub fn meta(mut self, meta: impl Into<SharedString>) -> Self {
self.meta = Some(meta.into());
self
}
pub fn seen(mut self, seen: bool) -> Self {
self.seen = seen;
self
}
pub fn on_click(mut self, handler: ClickHandler<V>) -> Self {
self.handlers.click = Some(handler);
self
}
pub fn actions(mut self, actions: Vec<Button<V>>) -> Self {
self.actions = Some(actions);
self
}
fn render(self, _view: &mut V, cx: &mut ViewContext<V>) -> impl Component<V> {
let settings = user_settings(cx);
let (item_bg, item_bg_hover, item_bg_active) = (
cx.theme().colors().ghost_element,
cx.theme().colors().ghost_element_hover,
cx.theme().colors().ghost_element_active,
);
let label_color = match self.seen {
true => LabelColor::Muted,
false => LabelColor::Default,
};
div()
.relative()
.group("")
.bg(item_bg)
.px_2()
.py_1p5()
.w_full()
.z_index(1)
.when(!self.seen, |this| {
this.child(
div()
.absolute()
.left(px(3.0))
.top_3()
.rounded_full()
.border_2()
.border_color(cx.theme().colors().surface)
.w(px(9.0))
.h(px(9.0))
.z_index(2)
.bg(cx.theme().status().info),
)
})
.child(
v_stack()
.w_full()
.line_height(relative(1.2))
.gap_1()
.child(
div()
.w_5()
.h_5()
.rounded_full()
.bg(cx.theme().colors().icon_accent),
)
.child(Label::new(self.label.clone()).color(label_color))
.children(
self.meta
.map(|meta| Label::new(meta).color(LabelColor::Muted)),
)
.child(
h_stack()
.gap_1()
.justify_end()
.children(self.actions.unwrap_or_default()),
),
)
}
}
#[derive(Clone, Component)]
pub struct ListSeparator;
impl ListSeparator {
pub fn new() -> Self {
Self
}
fn render<V: 'static>(self, _view: &mut V, cx: &mut ViewContext<V>) -> impl Component<V> {
div().h_px().w_full().bg(cx.theme().colors().border_variant)
}
}
#[derive(Component)]
pub struct List<V: 'static> {
items: Vec<ListItem<V>>,
empty_message: SharedString,
header: Option<ListHeader>,
toggleable: Toggleable,
}
impl<V: 'static> List<V> {
pub fn new(items: Vec<ListItem<V>>) -> Self {
Self {
items,
empty_message: "No items".into(),
header: None,
toggleable: Toggleable::default(),
}
}
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: ToggleState) -> Self {
self.toggleable = toggle.into();
self
}
fn render(self, _view: &mut V, cx: &mut ViewContext<V>) -> impl Component<V> {
let is_toggleable = self.toggleable != Toggleable::NotToggleable;
let is_toggled = Toggleable::is_toggled(&self.toggleable);
let list_content = match (self.items.is_empty(), is_toggled) {
(false, _) => div().children(self.items),
(true, false) => div(),
(true, true) => {
div().child(Label::new(self.empty_message.clone()).color(LabelColor::Muted))
}
};
v_stack()
.w_full()
.py_1()
.children(self.header.map(|header| header.toggleable(self.toggleable)))
.child(list_content)
}
}