update

config/config.go

@@ -62,8 +62,38 @@ func (c *Config) Set(name string, value interface{}) *Config {
 }
 
 func (c *Config) Clone() *Config {
-	r := *c
-	return &r
+	elements := make([]*Element, len(c.Elements))
+	for index, elem := range c.Elements {
+		elements[index] = elem.Clone()
+	}
+	languages := make([]*Language, len(c.Languages))
+	for index, value := range c.Languages {
+		languages[index] = value.Clone()
+	}
+	r := &Config{
+		ID:           c.ID,
+		Theme:        c.Theme,
+		Template:     c.Template,
+		Method:       c.Method,
+		Action:       c.Action,
+		Attributes:   make([][]string, len(c.Attributes)),
+		WithButtons:  c.WithButtons,
+		Buttons:      make([]string, len(c.Buttons)),
+		BtnsTemplate: c.BtnsTemplate,
+		Elements:     elements,
+		Languages:    languages,
+		Data:         map[string]interface{}{},
+	}
+	copy(r.Buttons, c.Buttons)
+	for k, v := range c.Data {
+		r.Data[k] = v
+	}
+	for k, v := range c.Attributes {
+		cv := make([]string, len(v))
+		copy(cv, v)
+		r.Attributes[k] = cv
+	}
+	return r
 }
 
 func (c *Config) HasName(name string) bool {

config/element.go

@@ -22,8 +22,45 @@ type Element struct {
 }
 
 func (e *Element) Clone() *Element {
-	r := *e
-	return &r
+	elements := make([]*Element, len(e.Elements))
+	languages := make([]*Language, len(e.Languages))
+	choices := make([]*Choice, len(e.Choices))
+	for index, elem := range e.Elements {
+		elements[index] = elem.Clone()
+	}
+	for index, value := range e.Languages {
+		languages[index] = value.Clone()
+	}
+	for index, value := range e.Choices {
+		choices[index] = value.Clone()
+	}
+	r := &Element{
+		ID:         e.ID,
+		Type:       e.Type,
+		Name:       e.Name,
+		Label:      e.Label,
+		LabelCols:  e.LabelCols,
+		FieldCols:  e.FieldCols,
+		Value:      e.Value,
+		HelpText:   e.HelpText,
+		Template:   e.Template,
+		Valid:      e.Valid,
+		Attributes: make([][]string, len(e.Attributes)),
+		Choices:    choices,
+		Elements:   elements,
+		Format:     e.Format,
+		Languages:  languages,
+		Data:       map[string]interface{}{},
+	}
+	for k, v := range e.Data {
+		r.Data[k] = v
+	}
+	for k, v := range e.Attributes {
+		cv := make([]string, len(v))
+		copy(cv, v)
+		r.Attributes[k] = cv
+	}
+	return r
 }
 
 func (e *Element) HasAttr(attrs ...string) bool {

config/element_choice.go

@@ -5,3 +5,13 @@ type Choice struct {
 	Option  []string `json:"option"` //["value","text"]
 	Checked bool     `json:"checked"`
 }
+
+func (c *Choice) Clone() *Choice {
+	r := &Choice{
+		Group:   c.Group,
+		Option:  make([]string, len(c.Option)),
+		Checked: c.Checked,
+	}
+	copy(r.Option, r.Option)
+	return r
+}

forms_test.go

@@ -85,4 +85,5 @@ func TestParseConfig(t *testing.T) {
 	f.Theme = common.BOOTSTRAP
 	f.Init(&cfg)
 	f.ParseFromConfig(true)
+	com.Dump(cfg.Clone())
 }