Files
Ely-GPUI-Components/src/finance/symbols.rs
T

313 lines
9.7 KiB
Rust

use std::rc::Rc;
use gpui::{
App, ElementId, Entity, FontWeight, IntoElement, ParentElement, RenderOnce, SharedString,
Styled, Window, div,
};
use super::quotes::{PriceChangeBadge, moves, price};
use crate::{
data_display::{Avatar, Sparkline},
forms::{Choice, Combobox, TextInput},
lists::{ListItem, SelectableList},
tables::{Column, DataTable, FilterBuilder, FilterRule, Row},
theme::{ActiveTheme, AvatarSize, TextSize},
typography::tabular,
};
/// A symbol as a small tile of its letters, toned steadily from its name, beside the symbol and what it trades on.
#[derive(IntoElement)]
pub struct SymbolBadge {
id: ElementId,
symbol: SharedString,
venue: Option<SharedString>,
}
impl SymbolBadge {
pub fn new(id: impl Into<ElementId>, symbol: impl Into<SharedString>) -> Self {
Self {
id: id.into(),
symbol: symbol.into(),
venue: None,
}
}
/// Where it trades, or its name, read under the symbol.
pub fn venue(mut self, venue: impl Into<SharedString>) -> Self {
self.venue = Some(venue.into());
self
}
}
impl RenderOnce for SymbolBadge {
fn render(self, _: &mut Window, cx: &mut App) -> impl IntoElement {
let theme = cx.theme();
div()
.flex()
.items_center()
.gap_2()
.child(
Avatar::new(self.id, self.symbol.clone())
.square()
.size(AvatarSize::Sm),
)
.child(
div()
.flex()
.flex_col()
.child(
div()
.text_size(theme.text_size(TextSize::Sm))
.font_weight(FontWeight::MEDIUM)
.text_color(theme.colors.fg)
.child(self.symbol),
)
.children(self.venue.map(|venue| {
div()
.text_size(theme.text_size(TextSize::Xs))
.text_color(theme.colors.fg_muted)
.child(venue)
})),
)
}
}
/// A search for a symbol by its letters or its name, each result with where it trades.
#[derive(IntoElement)]
pub struct SymbolSearch {
id: ElementId,
field: Entity<TextInput>,
symbols: Vec<(SharedString, SharedString, SharedString)>,
on_pick: Option<OnSymbol>,
}
impl SymbolSearch {
/// Symbols to find, each with its name and where it trades; `field` holds the query.
pub fn new(
id: impl Into<ElementId>,
field: &Entity<TextInput>,
symbols: impl IntoIterator<Item = (SharedString, SharedString, SharedString)>,
) -> Self {
Self {
id: id.into(),
field: field.clone(),
symbols: symbols.into_iter().collect(),
on_pick: None,
}
}
pub fn on_pick(
mut self,
handler: impl Fn(&SharedString, &mut Window, &mut App) + 'static,
) -> Self {
self.on_pick = Some(Rc::new(handler));
self
}
}
impl RenderOnce for SymbolSearch {
fn render(self, _: &mut Window, _: &mut App) -> impl IntoElement {
let choices = self.symbols.iter().map(|(symbol, name, venue)| {
Choice::new(symbol.clone(), format!("{symbol} · {name}")).note(venue.clone())
});
let search = Combobox::new(self.id, &self.field, choices);
match self.on_pick {
Some(on_pick) => search.on_change(move |symbol, window, cx| {
log::info!("symbol search: {symbol}");
on_pick(symbol, window, cx)
}),
None => search,
}
}
}
/// A symbol on a watchlist: its name, last price, the last session's close, and today's prices so far.
#[derive(Clone, Debug, PartialEq)]
pub struct Watch {
pub symbol: SharedString,
pub name: SharedString,
pub last: f64,
pub close: f64,
pub day: Vec<f32>,
}
type OnSymbol = Rc<dyn Fn(&SharedString, &mut Window, &mut App)>;
/// Symbols to keep an eye on, each with its tile, today's line, its price and move; a press picks one, and the keys walk the list.
#[derive(IntoElement)]
pub struct Watchlist {
id: ElementId,
watches: Vec<Watch>,
selected: Option<SharedString>,
on_select: Option<OnSymbol>,
red_up: bool,
}
impl Watchlist {
pub fn new(id: impl Into<ElementId>, watches: impl IntoIterator<Item = Watch>) -> Self {
Self {
id: id.into(),
watches: watches.into_iter().collect(),
selected: None,
on_select: None,
red_up: false,
}
}
pub fn selected(mut self, symbol: impl Into<SharedString>) -> Self {
self.selected = Some(symbol.into());
self
}
pub fn on_select(
mut self,
handler: impl Fn(&SharedString, &mut Window, &mut App) + 'static,
) -> Self {
self.on_select = Some(Rc::new(handler));
self
}
pub fn red_up(mut self) -> Self {
self.red_up = true;
self
}
}
impl RenderOnce for Watchlist {
fn render(self, _: &mut Window, cx: &mut App) -> impl IntoElement {
let (rise, fall) = moves(self.red_up, cx);
let theme = cx.theme();
let spark = theme.spark_size();
let list = self
.watches
.iter()
.fold(SelectableList::new(self.id.clone()), |list, watch| {
let ink = if watch.last >= watch.close {
rise
} else {
fall
};
let change = if self.red_up {
PriceChangeBadge::new(watch.close, watch.last).red_up()
} else {
PriceChangeBadge::new(watch.close, watch.last)
};
let figures = div()
.flex()
.items_center()
.gap_3()
.child(
Sparkline::new(watch.day.clone())
.color(ink)
.w(spark.width)
.h(spark.height),
)
.child(
tabular(div())
.w(theme.label_width() * 0.45)
.text_right()
.text_color(theme.colors.fg)
.child(price(watch.last, 2)),
)
.child(
div()
.w(theme.label_width() * 0.8)
.flex()
.justify_end()
.child(change),
);
let item = ListItem::new(
(self.id.clone(), watch.symbol.clone()),
watch.symbol.clone(),
)
.description(watch.name.clone())
.leading(
Avatar::new(
(self.id.clone(), format!("tile-{}", watch.symbol)),
watch.symbol.clone(),
)
.square()
.size(AvatarSize::Sm),
)
.trailing(figures);
list.row(watch.symbol.clone(), item)
});
let list = list.selected(self.selected.clone());
match self.on_select {
Some(on_select) => list.on_change(move |keys, window, cx| {
if let Some(symbol) = keys.first() {
log::info!("watchlist: {symbol}");
on_select(symbol, window, cx);
}
}),
None => list,
}
}
}
type OnRules = Rc<dyn Fn(&[FilterRule], bool, &mut Window, &mut App)>;
/// Securities narrowed by rules: the rules to build above, and the table of what passes them below.
#[derive(IntoElement)]
pub struct Screener {
id: ElementId,
columns: Vec<Column>,
rows: Vec<Row>,
rules: Vec<FilterRule>,
any: bool,
on_rules: Option<OnRules>,
}
impl Screener {
pub fn new(
id: impl Into<ElementId>,
columns: impl IntoIterator<Item = Column>,
rows: impl IntoIterator<Item = Row>,
) -> Self {
Self {
id: id.into(),
columns: columns.into_iter().collect(),
rows: rows.into_iter().collect(),
rules: Vec::new(),
any: false,
on_rules: None,
}
}
/// The rules the owner keeps, and whether a row passes any rather than all.
pub fn rules(mut self, rules: impl IntoIterator<Item = FilterRule>, any: bool) -> Self {
self.rules = rules.into_iter().collect();
self.any = any;
self
}
pub fn on_rules(
mut self,
handler: impl Fn(&[FilterRule], bool, &mut Window, &mut App) + 'static,
) -> Self {
self.on_rules = Some(Rc::new(handler));
self
}
}
impl RenderOnce for Screener {
fn render(self, _: &mut Window, _: &mut App) -> impl IntoElement {
let keys = self
.columns
.iter()
.map(|column| (column.key().clone(), column.title().clone()));
let builder = FilterBuilder::new((self.id.clone(), "rules"), keys)
.rules(self.rules.clone(), self.any);
let builder = match self.on_rules {
Some(on_rules) => {
builder.on_change(move |rules, any, window, cx| on_rules(rules, any, window, cx))
}
None => builder,
};
let table = DataTable::new((self.id.clone(), "table"), self.columns)
.rows(self.rows)
.filters(self.rules, self.any);
div().flex().flex_col().gap_3().child(builder).child(table)
}
}