SubZeroAddItem class
A reusable Add Item component following the SubZero 2.0 Design System.
This component allows users to add an item and manage its quantity via a stepper interface. It transitions from an "Add" button to a quantity stepper with plus/minus controls.
Features:
- Initial "Add" button state
- Quantity stepper mode with +/- controls
- Optional "More" button that triggers a bottom sheet
- Keyboard accessibility with Tab navigation
- Visual feedback for min/max bounds
- Animated transitions between states
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- SubZeroAddItem
- Available extensions
Constructors
-
SubZeroAddItem({Key? key, SubZeroAddItemConfig config = const SubZeroAddItemConfig(), ValueChanged<
int> ? onQuantityChanged, VoidCallback? onMoreTapped, VoidCallback? onItemAdded, int? quantity, bool startInQuantityMode = false}) -
const
Properties
- config → SubZeroAddItemConfig
-
Configuration for the component behavior.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onItemAdded → VoidCallback?
-
Callback fired when transitioning from Add to Quantity mode.
final
- onMoreTapped → VoidCallback?
-
Callback fired when the "More" button is tapped.
final
-
onQuantityChanged
→ ValueChanged<
int> ? -
Callback fired when quantity changes.
final
- quantity → int?
-
External quantity value for controlled mode.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- startInQuantityMode → bool
-
Whether to start in quantity mode.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< SubZeroAddItem> -
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
-
withCountBadge(
{required int count, int maxCount = 99, SubZeroBadgeStyle style = SubZeroBadgeStyle.filled, SubZeroBadgeSize size = SubZeroBadgeSize.medium, SubZeroBadgeAlignment alignment = const SubZeroBadgeAlignment(), bool show = true}) → Widget -
Available on Widget, provided by the SubZeroBadgeExtension extension
Wrap this widget with a count badge -
withDotBadge(
{SubZeroBadgeStyle style = SubZeroBadgeStyle.filled, SubZeroBadgeSize size = SubZeroBadgeSize.medium, SubZeroBadgeAlignment alignment = const SubZeroBadgeAlignment(), bool show = true}) → Widget -
Available on Widget, provided by the SubZeroBadgeExtension extension
Wrap this widget with a dot badge
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited