layout: wrap Callback function for DefaultLayout

layout/default.go

@@ -15,6 +15,11 @@ func (dlt *DefaultLayout) Text(k string, args ...interface{}) string {
 	return dlt.lt.TextLocale(dlt.locale, k, args...)
 }
 
+// Callback returns a callback endpoint used to handle buttons.
+func (dlt *DefaultLayout) Callback(k string) tele.CallbackEndpoint {
+	return dlt.lt.Callback(k)
+}
+
 // Button wraps localized layout function Button using your default locale.
 func (dlt *DefaultLayout) Button(k string, args ...interface{}) *tele.Btn {
 	return dlt.lt.ButtonLocale(dlt.locale, k, args...)

layout/layout.go

@@ -60,7 +60,7 @@ type (
 	ResultContent map[string]interface{}
 )
 
-// New reads and parses the given layout file.
+// New parses the given layout file.
 func New(path string, funcs ...template.FuncMap) (*Layout, error) {
 	data, err := ioutil.ReadFile(path)
 	if err != nil {
@@ -84,6 +84,16 @@ func New(path string, funcs ...template.FuncMap) (*Layout, error) {
 	return &lt, yaml.Unmarshal(data, &lt)
 }
 
+// NewDefault parses the given layout file without localization features.
+// See Layout.Default for more details.
+func NewDefault(path, locale string, funcs ...template.FuncMap) (*DefaultLayout, error) {
+	lt, err := New(path, funcs...)
+	if err != nil {
+		return nil, err
+	}
+	return lt.Default(locale), nil
+}
+
 var builtinFuncs = template.FuncMap{
 	// Built-in blank and helper functions.
 	"locale": func() string { return "" },
@@ -187,8 +197,7 @@ func (lt *Layout) TextLocale(locale, k string, args ...interface{}) string {
 	return buf.String()
 }
 
-// Callback returns casted to CallbackEndpoint button, which mostly
-// useful for handlers registering.
+// Callback returns a callback endpoint used to handle buttons.
 //
 // Example:
 //		// Handling settings button