FormBuilderTouchSpin class
Field for selection of a number by tapping on an add or subtract icon
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- FormField<
num> - FormBuilderTouchSpin
Constructors
-
FormBuilderTouchSpin({Key? key, AutovalidateMode? autovalidateMode, bool enabled = true, FocusNode? focusNode, FormFieldSetter<
num> ? onSaved, FormFieldValidator<num> ? validator, InputDecoration decoration = const InputDecoration(), num? initialValue, required String name, ValueChanged<num?> ? onChanged, ValueTransformer<num?> ? valueTransformer, VoidCallback? onReset, Icon addIcon = const Icon(Icons.add), NumberFormat? displayFormat, Color? iconActiveColor, Color? iconDisabledColor, EdgeInsets iconPadding = const EdgeInsets.all(4.0), double iconSize = 24.0, num max = 9999999.0, num min = 1.0, num step = 1.0, Icon subtractIcon = const Icon(Icons.remove), TextStyle textStyle = const TextStyle(fontSize: 24)}) - Creates field for selection of a number by tapping on an add or subtract icon
Properties
- addIcon → Icon
-
Icon for the decrement button
final
- autovalidateMode → AutovalidateMode
-
Used to enable/disable this form field auto validation and update its
error text.
finalinherited
-
builder
→ FormFieldBuilder<
num> -
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
- decoration → InputDecoration
-
finalinherited
- displayFormat → NumberFormat?
-
NumberFormat to be used when displaying values
final
- enabled → bool
-
Whether the form is able to receive user input.
finalinherited
- focusNode → FocusNode?
-
An optional focus node to use as the focus node for this widget.
finalinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- iconActiveColor → Color?
-
Color of icon while the widget is in active state
final
- iconDisabledColor → Color?
-
Color of icon while the widget is in active state
final
- iconPadding → EdgeInsets
-
Spacing around the decrement and increment icons
final
- iconSize → double
-
Icon sizes for the decrement and increment buttons
final
- initialValue → num?
-
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
- max → num
-
The maximum value the user can select.
final
- min → num
-
The minimum value the user can select.
final
- name → String
-
Used to reference the field within the form, or to reference form data
after the form is submitted.
finalinherited
-
onChanged
→ ValueChanged<
num?> ? -
Called when the field value is changed.
finalinherited
- onReset → VoidCallback?
-
Called when the field value is reset.
finalinherited
-
onSaved
→ FormFieldSetter<
num> ? -
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
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- step → num
-
Value to increment or decrement by
final
- subtractIcon → Icon
-
Icon for the decrement button
final
- textStyle → TextStyle
-
Text styling for the current value of the control
final
-
validator
→ FormFieldValidator<
num> ? -
An optional method that validates an input. Returns an error string to
display if the input is invalid, or null otherwise.
finalinherited
-
valueTransformer
→ ValueTransformer<
num?> ? -
Called just before field value is saved. Used to massage data just before
committing the value.
finalinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → FormBuilderTouchSpinState - Creates the mutable state for this widget at a given location in the tree.
-
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}) → 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