WIP essentials 3

bulk_action_bar.go

@@ -0,0 +1,53 @@
+package mujica
+
+import (
+	"fmt"
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"mujicaui/icons"
+	"mujicaui/theme"
+)
+
+// BulkActionBarOptions configure a BulkActionBar.
+type BulkActionBarOptions struct {
+	Disabled bool
+}
+
+// BulkActionBar shows while selected > 0 with the count, actions and a clear button; Changed reports a clear.
+func BulkActionBar(c *ui.Context, selected int, opts BulkActionBarOptions, actions func()) ChoiceResult {
+	if selected < 0 {
+		panic(fmt.Sprintf("mujica: BulkActionBar selected %d is negative", selected))
+	}
+	if selected == 0 {
+		return ChoiceResult{}
+	}
+	k := Tokens(c)
+	u := Density(c).Unit()
+	count := fmt.Sprintf(msg(c, "bulk_action_bar.selected"), selected)
+	bar := ui.Row(c).AlignItems(ui.Center).Gap(u*3).Padding(u*2, u*2, u*2, u*4).MinHeight(Density(c).ControlHeight()+4*u).
+		Role(ui.RoleToolbar).Label(count).Disabled(opts.Disabled)
+	overlayStyle(c, bar, overlayEnter(c, bar))
+	said := ui.Local(bar, "bulk_action_bar.said", func() int { return 0 })
+	if *said != selected {
+		*said = selected
+		c.Announce(count)
+	}
+	var clear bool
+	bar.Children(func() {
+		ui.Text(c, count).Bold().TextColor(k.Text).SingleLine()
+		ui.Box(c).Size(theme.BorderWidth, u*5).Background(k.Border).Role(ui.RoleNone)
+		ui.Row(c).Gap(u * 2).AlignItems(ui.Center).Grow(1).Children(func() {
+			if actions != nil {
+				actions()
+			}
+		})
+		b := Button(c, msg(c, "bulk_action_bar.clear"), ButtonOptions{Variant: Ghost, Icon: icons.Must("x")})
+		clear = b.Clicked() || bar.Shortcut(0, ui.KeyEscape) && !bar.IsDisabled()
+	})
+	if clear {
+		slog.Debug("mujica: bulk_action_bar clear", "selected", selected)
+	}
+	return ChoiceResult{bar, clear}
+}