wip markets

symbol_badge.go

@@ -0,0 +1,78 @@
+package mujica
+
+import (
+	"log/slog"
+	"strings"
+
+	"github.com/egoist/mygo/ui"
+
+	"mujicaui/internal"
+	"mujicaui/theme"
+)
+
+// MarketSymbol is a tradable instrument as the caller lists it.
+type MarketSymbol struct {
+	Code, Name string
+	// Market is the venue, such as NASDAQ or SSE.
+	Market string
+	// Type is the asset kind, such as Stock, ETF or Option.
+	Type string
+}
+
+// SymbolBadgeOptions configure a SymbolBadge.
+type SymbolBadgeOptions struct {
+	// Clickable makes the badge a button reporting clicks.
+	Clickable bool
+	Disabled  bool
+}
+
+// SymbolBadge shows a code with its market and type tags.
+func SymbolBadge(c *ui.Context, s MarketSymbol, opts SymbolBadgeOptions) ChoiceResult {
+	if s.Code == "" {
+		panic("mujica: SymbolBadge needs a Code")
+	}
+	k := Tokens(c)
+	u := Density(c).Unit()
+	var e *ui.Element
+	wrap := ui.Row(c).Shrink(0).Disabled(opts.Disabled)
+	wrap.Children(func() {
+		if opts.Clickable {
+			e = ui.ButtonBase(c)
+			internal.Ring(e, k.Focus, theme.ControlRadius)
+			if e.Hovered() {
+				e.Background(k.SurfaceHover)
+			}
+			e.Transition(colorFade)
+		} else {
+			e = ui.Row(c).Role(ui.RoleText)
+		}
+	})
+	e.MinHeight(theme.MinHitSize).Gap(u).AlignItems(ui.Center).Padding(0, u).Radius(theme.ControlRadius).Shrink(0).
+		Label(symbolBadgeName(s))
+	e.Children(func() {
+		ui.Text(c, s.Code).Font(theme.MonoFont).FontWeight(700).TextColor(k.Text).SingleLine()
+		for _, tag := range []string{s.Market, s.Type} {
+			if tag != "" {
+				ui.Row(c).Padding(1, u).Radius(theme.ControlRadius).Border(theme.BorderWidth, k.Border).Background(k.Background).Children(func() {
+					ui.Text(c, tag).FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted).SingleLine()
+				})
+			}
+		}
+	})
+	clicked := opts.Clickable && e.Clicked() && !e.IsDisabled()
+	if clicked {
+		slog.Debug("mujica: symbol_badge click", "code", s.Code)
+	}
+	return ChoiceResult{Element: e, changed: clicked}
+}
+
+// symbolBadgeName reads code, name, market and type.
+func symbolBadgeName(s MarketSymbol) string {
+	var parts []string
+	for _, p := range []string{s.Code, s.Name, s.Market, s.Type} {
+		if p != "" {
+			parts = append(parts, p)
+		}
+	}
+	return strings.Join(parts, ", ")
+}