DropDownField class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- FormField<
String> - DropDownField
Constructors
-
DropDownField({Key? key, TextEditingController? controller, dynamic value, bool required = false, Widget? icon, String? hintText, TextStyle hintStyle = const TextStyle(fontWeight: FontWeight.normal, color: Colors.grey, fontSize: 18.0), String? labelText, TextStyle labelStyle = const TextStyle(fontWeight: FontWeight.normal, color: Colors.grey, fontSize: 18.0), List<
TextInputFormatter> ? inputFormatters, List? items, TextStyle textStyle = const TextStyle(fontWeight: FontWeight.bold, color: Colors.black, fontSize: 14.0), FormFieldSetter? setter, ValueChanged? onValueChanged, int itemsVisibleInDropdown = 3, bool enabled = true, bool strict = true})
Properties
- autovalidateMode → AutovalidateMode
-
Used to enable/disable this form field auto validation and update its
error text.
finalinherited
-
builder
→ FormFieldBuilder<
String> -
Function that returns the widget representing this form field.
finalinherited
- controller ↔ TextEditingController?
-
getter/setter pair
- enabled → bool
-
Whether the form is able to receive user input.
final
- errorBuilder → FormFieldErrorBuilder?
-
Function that returns the widget representing the error to display.
finalinherited
- forceErrorText → String?
-
An optional property that forces the FormFieldState into an error state
by directly setting the FormFieldState.errorText property without
running the validator function.
finalinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- hintStyle → TextStyle
-
final
- hintText → String?
-
final
- icon → Widget?
-
final
- initialValue → String?
-
An optional value to initialize the form field to, or null otherwise.
finalinherited
-
inputFormatters
→ List<
TextInputFormatter> ? -
final
- items → List?
-
final
- itemsVisibleInDropdown → int
-
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- labelStyle → TextStyle
-
final
- labelText → String?
-
final
- onReset → VoidCallback?
-
An optional method to call when the form field is reset via
FormFieldState.reset.
finalinherited
-
onSaved
→ FormFieldSetter<
String> ? -
An optional method to call with the final value when the form is saved via
FormState.save.
finalinherited
- onValueChanged → ValueChanged?
-
final
- required → bool
-
final
- restorationId → String?
-
Restoration ID to save and restore the state of the form field.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- setter → FormFieldSetter?
-
final
- strict → bool
-
final
- textStyle → TextStyle
-
final
-
validator
→ FormFieldValidator<
String> ? -
An optional method that validates an input. Returns an error string to
display if the input is invalid, or null otherwise.
finalinherited
- value → dynamic
-
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → DropDownFieldState -
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