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) && !metaData.IsSelfOrParentIndexed(),
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 pattern, ok := metaData.Attrib("view", "pattern"); ok {
textField.Pattern = pattern
}
if withLabel {
return AddStandardLabel(form, textField, metaData), nil
}
return textField, nil
}
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
}
// 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 *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 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 *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 *MongoRefController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
mongoRef := metaData.Value.Addr().Interface().(*mongo.Ref)
valuesAndLabels := []string{"", ""}
labelSelectors := self.LabelSelectors
if len(labelSelectors) == 0 {
if selector, ok := metaData.Attrib("view", "optionsLabel"); ok {
labelSelectors = []string{selector}
}
}
i := self.OptionsIterator
if i == nil {
i = mongoRef.Collection().Iterator()
}
var doc mongo.DocumentBase
for i.Next(&doc) {
label, err := mongoRef.Collection().DocumentLabel(doc.ID, labelSelectors...)
if err != nil {
return nil, err
}
valuesAndLabels = append(valuesAndLabels, doc.ID.Hex(), label)
}
if i.Err() != nil {
return nil, i.Err()
}
input = &Select{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Model: &ValueLabelSelectModel{
ValuesAndLabels: valuesAndLabels,
SelectedValue: mongoRef.StringID(),
},
Size: 1,
Disabled: form.IsFieldDisabled(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(StructTagKey, "size"); ok {
size, err := strconv.Atoi(sizeStr)
if err != nil {
panic("Error in Form.GetInputSize(): " + err.Error())
}
return size
}
layout := self.GetLayout()
if layout != nil {
return layout.GetDefaultInputSize(metaData)
}
return 0
}
func (self ModelRichTextController) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
text := metaData.Value.Addr().Interface().(*model.RichText)
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())
}
}
var stylesheetURL string
if style, ok := metaData.Attrib(StructTagKey, "stylesheetURL"); ok {
stylesheetURL = style
}
input = &RichTextArea{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: text.Get(),
Cols: cols,
Rows: rows,
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
ToolbarStylesheetURL: stylesheetURL,
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}
func (self *StandardFormFieldFactory) NewInput(withLabel bool, metaData *model.MetaData, form *Form) (input View, err error) {
switch s := metaData.Value.Addr().Interface().(type) {
case *model.String:
textField := &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: s.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
if maxlen, ok, _ := s.Maxlen(metaData); ok {
textField.MaxLength = maxlen
if maxlen < textField.Size {
textField.Size = maxlen
}
}
input = textField
case *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())
}
}
input = &TextArea{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: s.Get(),
Cols: cols,
Rows: rows,
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
case *model.Url:
input = &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: s.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
case *model.Email:
input = &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Type: EmailTextField,
Text: s.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
case *model.Password:
textField := &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Type: PasswordTextField,
Text: s.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
if maxlen, ok, _ := s.Maxlen(metaData); ok {
textField.MaxLength = maxlen
if maxlen < textField.Size {
textField.Size = maxlen
}
}
input = textField
case *model.Phone:
input = &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: s.Get(),
Size: form.GetInputSize(metaData),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
case *model.Bool:
checkbox := &Checkbox{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Disabled: form.IsFieldDisabled(metaData),
Checked: s.Get(),
}
if withLabel {
checkbox.Label = form.FieldLabel(metaData)
}
return checkbox, nil
case *model.Choice:
options := s.Options(metaData)
if len(options) == 0 || options[0] != "" {
options = append([]string{""}, options...)
}
input = &Select{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Model: &StringsSelectModel{options, s.Get()},
Disabled: form.IsFieldDisabled(metaData),
Size: 1,
}
case *model.MultipleChoice:
options := s.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: s.IsSet(option),
}
}
input = checkboxes
case *model.DynamicChoice:
options := s.Options()
index := s.Index()
if len(options) == 0 || options[0] != "" {
options = append([]string{""}, options...)
index++
}
input = &Select{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Model: &IndexedStringsSelectModel{options, index},
Disabled: form.IsFieldDisabled(metaData),
Size: 1,
}
case *model.Country:
// todo
value := s.String()
if value == "" {
value = "[empty]"
}
input = Escape(value)
case *model.Date:
input = Views{
HTML("(Format: " + model.DateFormat + ")<br/>"),
&TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: s.Get(),
Size: len(model.DateFormat),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
},
}
case *model.DateTime:
input = Views{
HTML("(Format: " + model.DateTimeFormat + ")<br/>"),
&TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: s.Get(),
Size: len(model.DateTimeFormat),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
},
}
case *model.Float:
input = &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: s.String(),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
case *model.Int:
input = &TextField{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Text: s.String(),
Disabled: form.IsFieldDisabled(metaData),
Placeholder: form.InputFieldPlaceholder(metaData),
}
case *model.Language:
// todo
value := s.String()
if value == "" {
value = "[empty]"
}
input = HTML(value)
case model.Reference:
if !form.ShowRefIDs {
return nil, nil
}
value := s.String()
if value == "" {
value = "[empty]"
}
input = HTML(value)
case *model.GeoLocation:
input = HTML(s.String())
case *model.Blob, *model.File:
input = &FileInput{
Class: form.FieldInputClass(metaData),
Name: metaData.Selector(),
Disabled: form.IsFieldDisabled(metaData),
}
default:
return nil, errs.Format("Unsupported model.Value type '%T' at %s", metaData.Value.Interface(), metaData.Selector())
}
if withLabel {
return AddStandardLabel(form, input, metaData), nil
}
return input, nil
}
func (self *Form) FieldInputClass(metaData *model.MetaData) string {
class, _ := metaData.Attrib(StructTagKey, "class")
return class
}
func (self *Form) InputFieldPlaceholder(metaData *model.MetaData) string {
if placeholder, ok := metaData.Attrib(StructTagKey, "placeholder"); ok {
return placeholder
}
return ""
}
// DirectFieldLabel returns a label for a form field generated from metaData.
// It creates the label only from the name or label tag of metaData,
// not including its parents.
func (self *Form) DirectFieldLabel(metaData *model.MetaData) string {
if label, ok := metaData.Attrib(StructTagKey, "label"); ok {
return label
}
return strings.Replace(metaData.NameOrIndex(), "_", " ", -1)
}
