CountryStateCityField class

A composite form field that stacks CountryDropdownField, StateDropdownField, and CityDropdownField into a cascading country → state → city selector.

Changing the country clears the state and city; changing the state clears the city.

All three children share fieldStyle for visual consistency but each exposes picker-level theming and config overrides individually:

CountryStateCityField(
  initialCountryCode: CountryCode.us,
  onChanged: (sel) => print(sel),
  fieldStyle: CountrifyFieldStyle.defaultStyle(),
  countryPickerTheme: CountryPickerTheme(...),
  geoPickerTheme: GeoPickerTheme.light(),
)
Inheritance

Constructors

CountryStateCityField({Key? key, CountryCode? initialCountryCode, int? initialStateId, int? initialCityId, ValueChanged<CountryStateCitySelection>? onChanged, CountrifyFieldStyle? fieldStyle, CountrifyFieldStyle? countryFieldStyle, CountrifyFieldStyle? stateFieldStyle, CountrifyFieldStyle? cityFieldStyle, CountryPickerTheme? countryPickerTheme, CountryPickerConfig? countryPickerConfig, GeoPickerTheme? geoPickerTheme, GeoPickerConfig? geoPickerConfig, CountryPickerMode pickerMode = CountryPickerMode.bottomSheet, bool enabled = true, bool showFlag = true, bool searchEnabled = true, bool showStateType = true, bool showCityCoordinates = false, String countryLabel = 'Country', String stateLabel = 'State / Province', String cityLabel = 'City', double spacing = 12, StateSortBy stateSortBy = StateSortBy.name, CitySortBy citySortBy = CitySortBy.name, GeoRepository? repository})
A composite form field that stacks CountryDropdownField, StateDropdownField, and CityDropdownField into a cascading country → state → city selector.
const

Properties

cityFieldStyle CountrifyFieldStyle?
Field decoration for the city dropdown.
final
cityLabel String
Label for the city field.
final
citySortBy CitySortBy
Sort order in the city picker.
final
countryFieldStyle CountrifyFieldStyle?
Field decoration for the country dropdown.
final
countryLabel String
Label for the country field.
final
countryPickerConfig CountryPickerConfig?
Config applied to the CountryPicker.
final
countryPickerTheme CountryPickerTheme?
Theme applied to the CountryPicker opened by the country dropdown.
final
enabled bool
Whether the field accepts input.
final
fieldStyle CountrifyFieldStyle?
Shared field decoration applied to all three dropdowns. Per-field overrides below take precedence when set.
final
geoPickerConfig GeoPickerConfig?
Config applied to both the state and city pickers.
final
geoPickerTheme GeoPickerTheme?
Theme applied to both the state and city pickers.
final
hashCode int
The hash code for this object.
no setterinherited
initialCityId int?
Initial city id (only applied if it belongs to initialStateId).
final
initialCountryCode CountryCode?
Initial country by enum code.
final
initialStateId int?
Initial state id (only applied if it belongs to initialCountryCode).
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onChanged ValueChanged<CountryStateCitySelection>?
Emits on every selection change.
final
pickerMode CountryPickerMode
Display style applied to all three pickers.
final
repository GeoRepository?
Repository override (primarily for tests).
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
searchEnabled bool
Whether the pickers show search fields.
final
showCityCoordinates bool
Whether to show lat/lng as a subtitle on city rows.
final
showFlag bool
Whether to show the country flag inside the country dropdown.
final
showStateType bool
Whether to show the subdivision type as a subtitle on state rows.
final
spacing double
Vertical gap between each dropdown.
final
stateFieldStyle CountrifyFieldStyle?
Field decoration for the state dropdown.
final
stateLabel String
Label for the state field.
final
stateSortBy StateSortBy
Sort order in the state picker.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<CountryStateCityField>
Creates the mutable state for this widget at a given location in the tree.
override
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object.
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited