LFormState class

State associated with a LForm widget.

A LFormState object can be used to save, reset, and validate every LFormField that is a descendant of the associated LForm.

Typically obtained via LForm.of.

Inheritance

Constructors

LFormState()

Properties

context BuildContext
The location in the tree where this widget builds.
read-onlyinherited
fields Map<String, LFormFieldState>
return fields map of the form fields you need to provide name parameter to field constructor for accessing field states like isTouched, isDirty, etc.
read-only
hashCode int
The hash code for this object.
read-onlyinherited
isDirty bool
True if the form has been modified.
read-only
isInvalid bool
True if the current values are invalid. change when validate method is called
read-only
isPristine bool
True if the form has not been modified.
read-only
isSubmitted bool
True if the current value is invalid. change when validate method is called
read-only
isValid bool
True if the current values are valid. change when validate method is called
read-only
mounted bool
Whether this State object is currently in a tree.
read-onlyinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
widget LForm
The current configuration.
read-onlyinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
override
deactivate() → void
Called when this object is removed from the tree.
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeDependencies() → void
Called when a dependency of this State object changes.
didUpdateWidget(covariant LForm oldWidget) → void
Called whenever the widget configuration changes.
dispose() → void
Called when this object is removed from the tree permanently.
initState() → void
Called when this object is inserted into the tree.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
reset() → void
Resets every LFormField that is a descendant of this LForm back to its LFormField.initialValue.
save() → void
Saves every LFormField that is a descendant of this LForm.
serialize() Map<String, dynamic>
return a serialized map of the form fields you need to provide name parameter to field constructor for serializing that particular field
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
@protectedinherited
submit() → void
Submit LFormField, this will make isSubmitted flag to true and calls onSubmit of LForm
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
validate() bool
Validates every LFormField with LValidator.valid that is a descendant of this LForm, and returns true if there are no errors.
validateAsync() Future<bool>
Validates every LFormField with LValidator.asyncValid that is a descendant of this LForm, and returns true if there are no errors.

Operators

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