Field.builder constructor

Field.builder(String key, { required NyFieldBuilder builder, String? label, dynamic value, FormValidator? validator, bool autofocus = false, String? dummyData, Widget? header, Widget? footer, TextStyle? titleStyle, bool? hidden = false, bool? readOnly, FieldStyle? style, dynamic onChanged(dynamic value)?, })

Field.builder is a constructor that lets developers create custom form fields inline using a builder function.

The builder receives the BuildContext, an onChanged callback to report value changes to the form, and the currentValue of the field.

Example:

Field.builder(
  'favorite_color',
  builder: (context, onChanged, value) {
    return ColorPicker(
      selected: value,
      onColorChanged: (color) => onChanged(color),
    );
  },
  value: Colors.blue,
  validator: FormValidator().notEmpty(),
)

Implementation

Field.builder(
  this.key, {
  required NyFieldBuilder builder,
  this.label,
  dynamic value,
  this.validator,
  this.autofocus = false,
  this.dummyData,
  this.header,
  this.footer,
  this.titleStyle,
  this.hidden = false,
  this.readOnly,
  FieldStyle? style,
  Function(dynamic value)? onChanged,
}) : _value = value,
     this.style = style {
  setOnChanged(onChanged);
  widget = NyFormBuilder.fromField(this, builder: builder);
}