WIP components (as built)

permission_select.go

@@ -0,0 +1,52 @@
+package mujica
+
+import (
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+)
+
+// Permission defines access to a shared item.
+type Permission int
+
+const (
+	PermissionView Permission = iota
+	PermissionComment
+	PermissionEdit
+)
+
+// PermissionSelectOptions configure a PermissionSelect.
+type PermissionSelectOptions struct {
+	// Label names the select, as the person it is for.
+	Label    string
+	Disabled bool
+}
+
+// permissionName is a permission's built-in name.
+func permissionName(c *ui.Context, p Permission) string {
+	if p < PermissionView || p > PermissionEdit {
+		panic("mujica: Permission out of range")
+	}
+	return msg(c, [...]string{"permission_select.view", "permission_select.comment", "permission_select.edit"}[p])
+}
+
+// PermissionSelect chooses can view, can comment or can edit.
+func PermissionSelect(c *ui.Context, value *Permission, opts PermissionSelectOptions) ChoiceResult {
+	if value == nil {
+		panic("mujica: PermissionSelect needs a value")
+	}
+	permissionName(c, *value)
+	options := make([]SelectOption[Permission], 3)
+	for p := PermissionView; p <= PermissionEdit; p++ {
+		options[p] = SelectOption[Permission]{Value: p, Label: permissionName(c, p)}
+	}
+	label := opts.Label
+	if label == "" {
+		label = msg(c, "permission_select.label")
+	}
+	r := Select(c, value, options, SelectOptions{Label: label, Disabled: opts.Disabled})
+	if r.Changed() {
+		slog.Debug("mujica: permission_select change", "permission", *value)
+	}
+	return r
+}