Split into category packages; module github.com/ZacharyZhang-NY/MujicaUI

2026-10-05 16:18:48 -04:00
1 parent 5a7e921c7e
commit 22b53e9e9e
@@ -0,0 +1,118 @@
+package chart
+
+import (
+	"fmt"
+	"log/slog"
+	"slices"
+	"strings"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+	"github.com/ZacharyZhang-NY/MujicaUI/icons"
+	"github.com/ZacharyZhang-NY/MujicaUI/input"
+	"github.com/ZacharyZhang-NY/MujicaUI/overlay"
+	"github.com/ZacharyZhang-NY/MujicaUI/theme"
+)
+
+// IndicatorSelectorOptions configure an IndicatorSelector.
+type IndicatorSelectorOptions struct {
+	Disabled bool
+}
+
+// IndicatorSelector searches, adds, removes, and configures chart indicators.
+func IndicatorSelector(c *ui.Context, overlays *[]IndicatorOverlay, panes *IndicatorPanes, opts IndicatorSelectorOptions) core.ChoiceResult {
+	if overlays == nil || panes == nil {
+		panic("mujica: IndicatorSelector needs overlays and panes")
+	}
+	k := core.Tokens(c)
+	u := core.Density(c).Unit()
+	changed := false
+	box := ui.Row(c).Disabled(opts.Disabled)
+	box.Children(func() {
+		open := ui.Local(box, "indicator_selector.open", func() bool { return false })
+		query := ui.Local(box, "indicator_selector.query", func() string { return "" })
+		if box.IsDisabled() {
+			*open = false
+		}
+		label := fmt.Sprintf(core.Msg(c, "indicator_selector.button"), len(*overlays)+len(panes.Panes))
+		trigger := input.Button(c, label, input.ButtonOptions{Variant: input.Secondary, Icon: icons.Must("plus")})
+		if trigger.Clicked() {
+			*open = !*open
+		}
+		overlay.Popover(c, trigger, open, overlay.PopoverOptions{Title: core.Msg(c, "indicator_selector.title"), Width: 340}, func() {
+			input.TextInput(c, query, input.TextInputOptions{Placeholder: core.Msg(c, "indicator_selector.search"), Label: core.Msg(c, "indicator_selector.search"), Clearable: true})
+			ui.Text(c, core.Msg(c, "indicator_selector.available")).FontSize(core.FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted).Margin(u, 0, 0, 0)
+			found := 0
+			for kind := IndicatorMA; kind <= IndicatorOBV; kind++ {
+				name := kind.String()
+				if q := strings.TrimSpace(*query); q != "" && !strings.Contains(strings.ToLower(name), strings.ToLower(q)) {
+					continue
+				}
+				found++
+				ui.Row(c).Key(name).AlignItems(ui.Center).Gap(u * 2).MinHeight(core.Density(c).ControlHeight()).Children(func() {
+					ui.Text(c, name).FontWeight(600).Width(56)
+					where := "indicator_selector.pane"
+					if indicatorInfo[kind].overlay {
+						where = "indicator_selector.overlay"
+					}
+					ui.Text(c, core.Msg(c, where)).FontSize(core.FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted).Grow(1)
+					if input.Button(c, core.Msg(c, "indicator_selector.add"), input.ButtonOptions{Variant: input.Ghost, Label: fmt.Sprintf(core.Msg(c, "indicator_selector.add_named"), name)}).Clicked() {
+						if indicatorInfo[kind].overlay {
+							*overlays = append(slices.Clone(*overlays), IndicatorOverlay{Kind: kind, Params: kind.DefaultParams()})
+						} else {
+							panes.Panes = append(slices.Clone(panes.Panes), IndicatorPaneSpec{Kind: kind, Params: kind.DefaultParams()})
+						}
+						changed = true
+						slog.Debug("mujica: indicator_selector add", "kind", name)
+					}
+				})
+			}
+			if found == 0 {
+				ui.Text(c, core.Msg(c, "indicator_selector.none")).TextColor(k.TextMuted)
+			}
+			if len(*overlays)+len(panes.Panes) == 0 {
+				return
+			}
+			ui.Text(c, core.Msg(c, "indicator_selector.active")).FontSize(core.FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted).Margin(u*2, 0, 0, 0)
+			remove := -1
+			for i := range *overlays {
+				if indicatorSelectorActive(c, u, fmt.Sprint("o", i), (*overlays)[i].Kind, &(*overlays)[i].Params, &changed) {
+					remove = i
+				}
+			}
+			if remove >= 0 {
+				*overlays = slices.Delete(slices.Clone(*overlays), remove, remove+1)
+				changed = true
+			}
+			remove = -1
+			for i := range panes.Panes {
+				if indicatorSelectorActive(c, u, fmt.Sprint("p", i), panes.Panes[i].Kind, &panes.Panes[i].Params, &changed) {
+					remove = i
+				}
+			}
+			if remove >= 0 {
+				panes.Panes = slices.Delete(slices.Clone(panes.Panes), remove, remove+1)
+				changed = true
+			}
+		})
+	})
+	return core.NewChoiceResult(box, changed)
+}
+
+// indicatorSelectorActive edits parameters and reports removal of an indicator.
+func indicatorSelectorActive(c *ui.Context, u float32, key string, kind IndicatorKind, params *[]float64, changed *bool) bool {
+	removed := false
+	ui.Row(c).Key(key).AlignItems(ui.Center).Gap(u * 2).Wrap().Children(func() {
+		ui.Text(c, kind.String()).FontWeight(600).Width(56)
+		if len(kind.DefaultParams()) > 0 && IndicatorParamsField(c, kind, params).Changed() {
+			*changed = true
+		}
+		ui.Spacer(c)
+		if core.IconAction(c, icons.Must("x"), fmt.Sprintf(core.Msg(c, "indicator_pane.remove"), indicatorName(kind, *params))).Clicked() {
+			removed = true
+			slog.Debug("mujica: indicator_selector remove", "kind", kind)
+		}
+	})
+	return removed
+}