// SetAllSliceLengths sets the length of all slices in document.
func SetAllSliceLengths(document interface{}, length int) {
Visit(document, VisitorFunc(
func(data *MetaData) error {
if data.Kind == SliceKind && data.Value.Len() != length {
data.Value.Set(reflection.SetSliceLengh(data.Value, length))
}
return nil
},
))
}
func (self *setPostValuesStructVisitor) BeginIndexedFields(indexedFields *model.MetaData) error {
if indexedFields.Kind == model.SliceKind && indexedFields.Value.CanSet() && !self.form.IsFieldExcluded(indexedFields, self.ctx) {
if lengthStr := self.ctx.Request.FormValue(indexedFields.Selector() + ".length"); lengthStr != "" {
length, err := strconv.Atoi(lengthStr)
if err != nil {
panic(err)
}
if length != indexedFields.Value.Len() {
indexedFields.Value.Set(reflection.SetSliceLengh(indexedFields.Value, length))
mongo.InitRefs(self.formModel)
}
}
}
return nil
}