WIP feedback

status_indicator.go

@@ -0,0 +1,77 @@
+package mujica
+
+import (
+	"fmt"
+
+	"github.com/egoist/mygo/ui"
+
+	"mujicaui/icons"
+	"mujicaui/theme"
+)
+
+// Status is a system or item state. The zero value is StatusSuccess.
+type Status int
+
+const (
+	StatusSuccess Status = iota
+	StatusWarning
+	StatusError
+	StatusOffline
+	StatusBusy
+)
+
+func (s Status) String() string {
+	switch s {
+	case StatusSuccess:
+		return "success"
+	case StatusWarning:
+		return "warning"
+	case StatusError:
+		return "error"
+	case StatusOffline:
+		return "offline"
+	case StatusBusy:
+		return "busy"
+	}
+	panic(fmt.Sprintf("mujica: unknown Status %d", int(s)))
+}
+
+// StatusIndicatorOptions configure a StatusIndicator.
+type StatusIndicatorOptions struct {
+	// Label replaces the status's built-in word, as "Database online".
+	Label string
+}
+
+// StatusIndicator shows a status by its own shape and a word, never by color alone.
+func StatusIndicator(c *ui.Context, status Status, opts StatusIndicatorOptions) *ui.Element {
+	k := Tokens(c)
+	u := Density(c).Unit()
+	label := opts.Label
+	if label == "" {
+		label = msg(c, "status_indicator."+status.String())
+	}
+	var tone ui.Color
+	var icon *ui.SVG
+	switch status {
+	case StatusSuccess:
+		tone, icon = k.Success, icons.Must("circle-check")
+	case StatusWarning:
+		tone, icon = k.Warning, icons.Must("triangle-alert")
+	case StatusError:
+		tone, icon = k.Danger, icons.Must("circle-x")
+	case StatusOffline:
+		tone, icon = k.TextMuted, icons.Must("wifi-off")
+	case StatusBusy:
+		tone = k.Info
+	}
+	row := ui.Row(c).AlignItems(ui.Center).Gap(u * 1.5).Role(ui.RoleStatus).Label(label)
+	row.Children(func() {
+		if status == StatusBusy {
+			Spinner(c, SpinnerOptions{Size: 16, Color: tone, Label: label})
+		} else {
+			ui.Icon(c, icon).Size(16, 16).TextColor(tone)
+		}
+		ui.Text(c, label).TextColor(k.Text).FontSize(theme.BodySize).SingleLine()
+	})
+	return row
+}