func (self *setPostValuesStructVisitor) field(field *model.MetaData) error {
if self.form.IsFieldDisabled(field) || self.form.IsFieldExcluded(field, self.ctx) {
return nil
}
value := self.ctx.Request.FormValue(field.Selector())
return self.form.GetFieldControllers().SetValue(value, self.ctx, field, self.form)
}
func (self ModelTextController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
text := metaData.Value.Addr().Interface().(*model.Text)
var cols int // will be zero if not available, which is OK
if str, ok := metaData.Attrib(StructTagKey, "cols"); ok {
cols, err = strconv.Atoi(str)
if err != nil {
panic("Error in StandardFormFieldFactory.NewInput(): " + err.Error())
}
}
var rows int // will be zero if not available, which is OK
if str, ok := metaData.Attrib(StructTagKey, "rows"); ok {
rows, err = strconv.Atoi(str)
if err != nil {
panic("Error in StandardFormFieldFactory.NewInput(): " + err.Error())
}
}
textArea := &TextArea{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: text.Get(),
Cols: cols,
Rows: rows,
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
if metaData.BoolAttrib("view", "autofocus") {
textArea.Autofocus = true
}
if withLabel {
return AddStandardLabel(form, textArea, metaData), nil
}
return textArea, nil
}
func (self ModelPasswordController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
password := metaData.Value.Addr().Interface().(*model.Password)
textField := &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Type: PasswordTextField,
Text: password.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
Required: form.IsFieldRequired(metaData) && !metaData.IsSelfOrParentIndexed(),
Title: form.FieldLabel(metaData),
}
if maxlen, ok, _ := password.Maxlen(metaData); ok {
textField.MaxLength = maxlen
if maxlen < textField.Size {
textField.Size = maxlen
}
}
if metaData.BoolAttrib("view", "autofocus") {
textField.Autofocus = true
}
if withLabel {
return AddStandardLabel(form, textField, metaData), nil
}
return textField, nil
}
func (self *MongoRefController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
mongoRef := metaData.Value.Addr().Interface().(*mongo.Ref)
options := []string{""}
for doc := self.OptionsIterator.Next(); doc != nil; doc = self.OptionsIterator.Next() {
name := self.getLabel(doc)
for _, option := range options {
if option == name {
return nil, fmt.Errorf("Names of mongo documents must be unique, found double '%s'", name)
}
}
options = append(options, name)
}
name := ""
doc, err := mongoRef.Get()
if err != nil {
return nil, err
}
if doc != nil {
name = self.getLabel(doc)
}
input = &Select{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Model: &StringsSelectModel{options, name},
Disabled: form.IsFieldDisabled(metaData),
Size: 1,
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}
func (self ModelStringController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
str := metaData.Value.Addr().Interface().(*model.String)
textField := &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: str.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
Required: form.IsFieldRequired(metaData),
Title: form.FieldLabel(metaData),
}
if maxlen, ok, _ := str.Maxlen(metaData); ok {
textField.MaxLength = maxlen
if maxlen < textField.Size {
textField.Size = maxlen
}
}
if metaData.BoolAttrib("view", "search") {
textField.Type = SearchTextField
}
if metaData.BoolAttrib("view", "autofocus") {
textField.Autofocus = true
}
if withLabel {
return AddStandardLabel(form, textField, metaData), nil
}
return textField, nil
}
func (self *Form) IsFieldRequired(metaData *model.MetaData) bool {
if val, ok := metaData.ModelValue(); ok && val.Required(metaData) {
return true
}
selector := metaData.Selector()
wildcardSelector := metaData.WildcardSelector()
return utils.StringIn(selector, self.RequiredFields) || utils.StringIn(wildcardSelector, self.RequiredFields)
}
func (self *Form) IsFieldHidden(metaData *model.MetaData) bool {
if metaData.BoolAttrib("hidden") {
return true
}
selector := metaData.Selector()
wildcardSelector := metaData.WildcardSelector()
return utils.StringIn(selector, self.HiddenFields) || utils.StringIn(wildcardSelector, self.HiddenFields)
}
func (self *Form) IsFieldDisabled(metaData *model.MetaData) bool {
if metaData.BoolAttrib("disabled") {
return true
}
selector := metaData.Selector()
wildcardSelector := metaData.WildcardSelector()
return utils.StringIn(selector, self.DisabledFields) || utils.StringIn(wildcardSelector, self.DisabledFields)
}
// IsFieldExcluded returns weather a field will be excluded from the form.
// Fields will be excluded, if their selector matches one in Form.ExcludedFields
// or if a matching Authenticator from Form.ModelFieldAuth returns false.
// A field is also excluded when its parent field is excluded.
// This function is not restricted to model.Value, it works with all struct fields.
// This way a whole sub struct an be excluded by adding its selector to Form.ExcludedFields.
func (self *Form) IsFieldExcluded(field *model.MetaData, ctx *Context) bool {
if field.Parent == nil {
return false // can't exclude root
}
if self.IsFieldExcluded(field.Parent, ctx) || field.SelectorsMatch(self.ExcludedFields) {
return true
}
if len(self.ModelFieldAuth) > 0 {
auth, hasAuth := self.ModelFieldAuth[field.Selector()]
if !hasAuth {
auth, hasAuth = self.ModelFieldAuth[field.WildcardSelector()]
}
if hasAuth {
ok, err := auth.Authenticate(ctx)
if err != nil {
fmt.Println("Error in view.Form.IsFieldExcluded(): " + err.Error())
}
if !ok {
return true
}
}
}
if len(Config.NamedAuthenticators) > 0 {
if authAttrib, ok := field.Attrib(StructTagKey, "auth"); ok {
for _, name := range strings.Split(authAttrib, ",") {
// if multi := strings.Split(name, "+"); len(multi) > 1 {
// // Needs to pass all sub-Authenticators
// for _, name := range multi {
// if auth, ok := NamedAuthenticator(name); ok {
// ok, err := auth.Authenticate(response)
// if err != nil {
// fmt.Println("Error in view.Form.IsFieldExcluded(): " + err.Error())
// }
// if !ok {
// return true
// }
// }
// }
// } else {
if auth, ok := NamedAuthenticator(name); ok {
ok, err := auth.Authenticate(ctx)
if ok {
// Only needs to pass one Authenticator
return false
}
if err != nil {
log.Println("Error in view.Form.IsFieldExcluded(): " + err.Error())
}
}
// }
}
// No Authenticators passed, thus exclude
return true
}
}
return false
}
func (self BlobRefController) NewInput(withLabel bool, metaData *model.MetaData, form *view.Form) (input view.View, err error) {
blobRef := metaData.Value.Addr().Interface().(*BlobRef)
hiddenInput := &view.HiddenInput{Name: metaData.Selector(), Value: blobRef.String()}
uploadList := &view.List{Class: "qq-upload-list"}
removeButton := &view.Div{
Class: "qq-upload-button",
Content: view.HTML("Remove"),
OnClick: fmt.Sprintf(
`jQuery("#%s").attr("value", "");
jQuery("#%s").empty();`,
hiddenInput.ID(),
uploadList.ID(),
),
}
chooseList := view.Views{
view.JQueryUIAutocompleteFromURL(".gostart-select-blob", API.AllBlobs, 2),
}
uploadButton := UploadBlobButton(
"",
"#"+uploadList.ID(),
fmt.Sprintf(
`function(id, fileName, responseJSON) {
jQuery("#%s").attr("value", responseJSON.blobID);
}`,
hiddenInput.ID(),
),
)
editor := view.DIV(Config.BlobRefController.Class,
view.RequireScriptURL("/media/media.js", 0),
view.RequireStyle(
`.qq-upload-button {
margin: 0 0 5px 10px;
cursor: pointer;
}
.qq-upload-button:hover {
background-color: #cc0000;
}`,
10,
),
hiddenInput,
view.DIV(Config.BlobRefController.ActionsClass, chooseList, removeButton, uploadButton),
uploadList,
view.DivClearBoth(),
)
if withLabel {
return view.AddStandardLabel(form, editor, metaData), nil
}
return editor, nil
}
func (self ModelBlobController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
input = &FileInput{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Disabled: form.IsFieldDisabled(metaData),
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}
func (self ModelMultipleChoiceController) SetValue(value string, ctx *Context, metaData *model.MetaData, form *Form) error {
m := metaData.Value.Addr().Interface().(*model.MultipleChoice)
options := m.Options(metaData)
*m = nil
for i, option := range options {
name := fmt.Sprintf("%s_%d", metaData.Selector(), i)
if ctx.Request.FormValue(name) != "" {
*m = append(*m, option)
}
}
return nil
}
func (self *setPostValuesStructVisitor) trySetFieldValue(field *model.MetaData) error {
if self.form.IsFieldDisabled(field) || self.form.IsFieldExcluded(field, self.ctx) {
return nil
}
switch s := field.Value.Addr().Interface().(type) {
case model.Reference:
// we don't handle references with forms yet
case *model.Bool:
s.Set(self.ctx.Request.FormValue(field.Selector()) != "")
case *model.MultipleChoice:
options := s.Options(field)
*s = nil
for i, option := range options {
name := fmt.Sprintf("%s_%d", field.Selector(), i)
if self.ctx.Request.FormValue(name) != "" {
*s = append(*s, option)
}
}
case *model.Blob:
file, _, err := self.ctx.Request.FormFile(field.Selector())
if err != nil {
return err
}
defer file.Close()
bytes, err := ioutil.ReadAll(file)
if err != nil {
return err
}
s.Set(bytes)
case *model.File:
file, header, err := self.ctx.Request.FormFile(field.Selector())
if err != nil {
return err
}
defer file.Close()
bytes, err := ioutil.ReadAll(file)
if err != nil {
return err
}
s.Name = header.Filename
s.Data = bytes
case model.Value:
// General case
s.SetString(self.ctx.Request.FormValue(field.Selector()))
}
return nil
}
func (self ModelIntController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
i := metaData.Value.Addr().Interface().(*model.Int)
input = &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: i.String(),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}
func (self *Form) GetFieldDescription(metaData *model.MetaData) string {
selector := metaData.Selector()
if desc, ok := self.FieldDescriptions[selector]; ok {
return desc
}
wildcardSelector := metaData.WildcardSelector()
if desc, ok := self.FieldDescriptions[wildcardSelector]; ok {
return desc
}
if desc, ok := metaData.Attrib(StructTagKey, "description"); ok {
return desc
}
return ""
}
func (self ModelBlobController) SetValue(value string, ctx *Context, metaData *model.MetaData, form *Form) error {
b := metaData.Value.Addr().Interface().(*model.Blob)
file, _, err := ctx.Request.FormFile(metaData.Selector())
if err != nil {
return err
}
defer file.Close()
bytes, err := ioutil.ReadAll(file)
if err != nil {
return err
}
b.Set(bytes)
return nil
}
func (self ModelFileController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
accept, _ := metaData.Attrib("view", "accept")
form.Enctype = MultipartFormData
input = &FileInput{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Accept: accept,
Disabled: form.IsFieldDisabled(metaData),
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, 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.Error())
}
if length != indexedFields.Value.Len() {
indexedFields.Value.Set(utils.SetSliceLengh(indexedFields.Value, length))
mongo.InitRefs(self.formModel)
}
}
}
return nil
}
func (self *setPostValuesStructVisitor) BeginSlice(slice *model.MetaData) error {
if slice.Value.CanSet() && !self.form.IsFieldExcluded(slice) {
if lengthStr := self.context.Request.FormValue(slice.Selector() + ".length"); lengthStr != "" {
length, err := strconv.Atoi(lengthStr)
if err != nil {
panic(err.Error())
}
if length != slice.Value.Len() {
slice.Value.Set(utils.SetSliceLengh(slice.Value, length))
mongo.InitRefs(self.formModel)
}
}
}
return nil
}
func (self ModelFileController) SetValue(value string, ctx *Context, metaData *model.MetaData, form *Form) error {
f := metaData.Value.Addr().Interface().(*model.File)
file, header, err := ctx.Request.FormFile(metaData.Selector())
if err != nil {
return err
}
defer file.Close()
bytes, err := ioutil.ReadAll(file)
if err != nil {
return err
}
f.Name = header.Filename
f.Data = bytes
return nil
}
func (self ModelEmailController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
email := metaData.Value.Addr().Interface().(*model.Email)
input = &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Type: EmailTextField,
Text: email.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}
func (self ModelBoolController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
b := metaData.Value.Addr().Interface().(*model.Bool)
checkbox := &Checkbox{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Disabled: form.IsFieldDisabled(metaData),
Checked: b.Get(),
}
if withLabel {
labelContent := form.FieldLabel(metaData)
if form.IsFieldRequired(metaData) {
labelContent = "<span class='required'>*</span> " + labelContent
}
checkbox.Label = labelContent
}
return checkbox, nil
}
func (self ModelMultipleChoiceController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
m := metaData.Value.Addr().Interface().(*model.MultipleChoice)
options := m.Options(metaData)
checkboxes := make(Views, len(options))
for i, option := range options {
checkboxes[i] = &Checkbox{
Label: option,
Class: form.FieldInputClass(metaData),
Name: fmt.Sprintf("%s_%d", metaData.Selector(), i),
Disabled: form.IsFieldDisabled(metaData),
Checked: m.IsSet(option),
}
}
if withLabel {
return AddStandardLabel(form, checkboxes, metaData), nil
}
return checkboxes, nil
}
func (self ModelChoiceController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
choice := metaData.Value.Addr().Interface().(*model.Choice)
options := choice.Options(metaData)
if len(options) == 0 || options[0] != "" {
options = append([]string{""}, options...)
}
input = &Select{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Model: &StringsSelectModel{options, choice.Get()},
Disabled: form.IsFieldDisabled(metaData),
Size: 1,
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}
// FieldLabel returns a label for a form field generated from metaData.
// It creates the label from the names or label tags of metaData and
// all its parents, starting with the root parent, concanated with a space
// character.
func (self *Form) FieldLabel(metaData *model.MetaData) string {
selector := metaData.Selector()
if label, ok := self.Labels[selector]; ok {
return label
}
wildcardSelector := metaData.WildcardSelector()
if label, ok := self.Labels[wildcardSelector]; ok {
return label
}
var buf bytes.Buffer
for _, m := range metaData.Path()[1:] {
if buf.Len() > 0 {
buf.WriteByte(' ')
}
buf.WriteString(self.DirectFieldLabel(m))
}
return buf.String()
}
func (self ModelDateTimeController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
dateTime := metaData.Value.Addr().Interface().(*model.DateTime)
input = Views{
HTML("(Format: " + model.DateTimeFormat + ")<br/>"),
&TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: dateTime.Get(),
Size: len(model.DateTimeFormat),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
},
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}
func (self *Form) GetInputSize(metaData *model.MetaData) int {
selector := metaData.Selector()
if size, ok := self.InputSizes[selector]; ok {
return size
}
wildcardSelector := metaData.WildcardSelector()
if size, ok := self.InputSizes[wildcardSelector]; ok {
return size
}
if sizeStr, ok := metaData.Attrib("size"); ok {
size, _ := strconv.Atoi(sizeStr)
return size
}
layout := self.GetLayout()
if layout != nil {
return layout.GetDefaultInputSize(metaData)
}
return 0
}
func (self ModelIntController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
i := metaData.Value.Addr().Interface().(*model.Int)
textField := &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: i.String(),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
Required: form.IsFieldRequired(metaData),
Title: form.FieldLabel(metaData),
}
if metaData.BoolAttrib("view", "autofocus") {
textField.Autofocus = true
}
if withLabel {
return AddStandardLabel(form, textField, metaData), nil
}
return textField, nil
}
func (self ModelPhoneController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
phone := metaData.Value.Addr().Interface().(*model.Phone)
textField := &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: phone.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
Required: form.IsFieldRequired(metaData) && !metaData.IsSelfOrParentIndexed(),
Title: form.FieldLabel(metaData),
}
if metaData.BoolAttrib("view", "autofocus") {
textField.Autofocus = true
}
if withLabel {
return AddStandardLabel(form, textField, metaData), nil
}
return textField, nil
}
func (self ModelUrlController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (View, error) {
url := metaData.Value.Addr().Interface().(*model.Url)
input := &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: url.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
Required: form.IsFieldRequired(metaData),
Title: form.FieldLabel(metaData),
}
if metaData.BoolAttrib("view", "autofocus") {
input.Autofocus = true
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}