ZetaCheckbox class

Zeta Checkbox.

Checkboxes allow users to select one or more items from a set. Checkboxes can turn an option on or off.

The checkbox itself does not maintain any state. Instead, when the state of the checkbox changes, the widget calls the onChanged callback. Widgets that use a checkbox should listen for the onChanged callback and rebuild the checkbox with a new value to update the visual appearance of the checkbox.

Inheritance
Available Extensions

Constructors

ZetaCheckbox({required bool value, String? label, ValueChanged<bool>? onChanged, bool rounded = true, bool useIndeterminate = false, FormFieldValidator<bool>? validator, AutovalidateMode? autovalidateMode, String? restorationId, Key? key})
Constructs a ZetaCheckbox.

Properties

autovalidateMode → AutovalidateMode
Used to enable/disable this form field auto validation and update its error text.
finalinherited
builder → FormFieldBuilder<bool>
Function that returns the widget representing this form field. It is passed the form field state as input, containing the current value and validation state of this field.
finalinherited
enabled → bool
Whether the form is able to receive user input.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
initialValue → bool?
An optional value to initialize the form field to, or null otherwise.
finalinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label → String?
The label displayed next to the checkbox
final
onChanged → ValueChanged<bool>?
Called when the value of the checkbox should change.
final
onSaved → FormFieldSetter<bool>?
An optional method to call with the final value when the form is saved via FormState.save.
finalinherited
restorationId → String?
Restoration ID to save and restore the state of the form field.
finalinherited
rounded → bool
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
useIndeterminate → bool
Whether the indeterminate state should be supported.
final
validator → FormFieldValidator<bool>?
An optional method that validates an input. Returns an error string to display if the input is invalid, or null otherwise.
finalinherited
value → bool
Whether the checkbox is selected, unselected or null (indeterminate)
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → ZetaCheckboxFormFieldState
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.
override
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}) → 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