FastDropdownState<T> class
State associated with a FastDropdown widget.
- Inheritance
-
- Object
- State<
FormField< T> > - FormFieldState<
T> - FastFormFieldState<
T> - FastDropdownState
Constructors
Properties
- adaptive → bool
-
Returns if the FastFormField.builder should adapt to the
TargetPlatform provided that the FastFormField type does support it
no setterinherited
- bucket → RestorationBucket?
-
The RestorationBucket used for the restoration data of the
RestorablePropertys registered to this mixin.
no setterinherited
- context → BuildContext
-
The location in the tree where this widget builds.
no setterinherited
- decoration → InputDecoration
-
Creates the InputDecoration based on the current theme and the
corresponding FastFormField widget configuration
no setterinherited
- enabled ↔ bool
-
getter/setter pairinherited
- errorText → String?
-
The current validation error returned by the FormField.validator
callback, or null if no errors have been triggered. This only updates when
validate is called.
no setterinherited
- focused ↔ bool
-
Indicates if the FastFormField is currently focused.
getter/setter pairinherited
- focusNode ↔ FocusNode
-
getter/setter pairinherited
- form → FastFormState?
-
Returns the FastFormState of the parent FastForm
no setterinherited
- hasError → bool
-
True if this field has any validation errors.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasInteractedByUser → bool
-
Returns true if the user has modified the value of this field.
no setterinherited
- isValid → bool
-
True if the current value is valid.
no setterinherited
- mounted → bool
-
Whether this State object is currently in a tree.
no setterinherited
- name → String
-
no setterinherited
- restorationId → String?
-
The restoration ID used for the RestorationBucket in which the mixin
will store the restoration data of all registered properties.
no setterinherited
- restorePending → bool
-
Whether restoreState will be called at the beginning of the next build
phase.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- touched ↔ bool
-
Indicates if the user has touched the FastFormField.
getter/setter pairinherited
- value → T?
-
The current value of the form field.
no setterinherited
-
widget
→ FastDropdown<
T> -
Returns the FastFormField widget for this FastFormFieldState instance.
Must be overridden in the concrete child class.
no setteroverride
Methods
-
activate(
) → void -
Called when this object is reinserted into the tree after having been
removed via deactivate.
inherited
-
build(
BuildContext context) → Widget -
Registers this FastFormFieldState instance on the FastFormState and
builds the widget.
inherited
-
deactivate(
) → void -
Unregisters this FastFormFieldState instance on the FastFormState.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
didChange(
T? value) → void -
Updates this field's state to the new value. Useful for responding to
child widget changes, e.g. Slider's Slider.onChanged argument.
inherited
-
didChangeDependencies(
) → void -
Called when a dependency of this State object changes.
inherited
-
didToggleBucket(
RestorationBucket? oldBucket) → void -
Called when bucket switches between null and non-null values.
inherited
-
didUpdateRestorationId(
) → void -
Must be called when the value returned by restorationId changes.
inherited
-
didUpdateWidget(
covariant FormField< T> oldWidget) → void -
Called whenever the widget configuration changes.
inherited
-
dispose(
) → void -
Called when this object is removed from the tree permanently.
inherited
-
initState(
) → void -
Adds the
_onFocusChanged
listener to focusNode and sets the initial FormFieldState value.inherited -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onChanged(
T? value) → void -
inherited
-
onReset(
) → void -
inherited
-
reassemble(
) → void -
Called whenever the application is reassembled during debugging, for
example during hot reload.
inherited
-
registerForRestoration(
RestorableProperty< Object?> property, String restorationId) → void -
Registers a RestorableProperty for state restoration.
inherited
-
reset(
) → void -
Resets the field to its initial value.
inherited
-
restoreState(
RestorationBucket? oldBucket, bool initialRestore) → void -
Called to initialize or restore the RestorablePropertys used by the
State object.
inherited
-
save(
) → void -
Calls the FormField's onSaved method with the current value.
inherited
-
setState(
VoidCallback fn) → void -
Notify the framework that the internal state of this object has changed.
inherited
-
setValue(
T? value) → void -
Sets the value associated with this form field.
inherited
-
testConditions(
) → void -
Determines for every MapEntry in FastFormField.conditions if the
respective condition is met.
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
-
toStringShort(
) → String -
A brief description of this object, usually just the runtimeType and the
hashCode.
inherited
-
unregisterFromRestoration(
RestorableProperty< Object?> property) → void -
Unregisters a RestorableProperty from state restoration.
inherited
-
validate(
) → bool -
Calls FormField.validator to set the errorText. Returns true if there
were no errors.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited