SubZeroSlider class
SubZero Slider Component
A customizable slider that allows users to select a value from a continuous or discrete range by moving a thumb along a track.
Features:
- Continuous and discrete (stepped) modes
- Value tooltip that appears when dragging
- Optional min/max labels
- Keyboard accessibility (arrow keys, Home/End)
- Follows SubZero 2.0 Design System
Example:
SubZeroSlider(
value: _currentValue,
min: 0,
max: 100,
onChanged: (value) => setState(() => _currentValue = value),
)
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- SubZeroSlider
- Available extensions
Constructors
-
SubZeroSlider({Key? key, required double value, double min = 0.0, double max = 1.0, int? divisions, ValueChanged<
double> ? onChanged, ValueChanged<double> ? onChangeStart, ValueChanged<double> ? onChangeEnd, bool showTooltip = true, bool showTickMarks = false, String valueFormatter(double)?, String? minLabel, String? maxLabel, bool enabled = true, Color? activeTrackColor, Color? inactiveTrackColor, Color? thumbColor, double trackHeight = 4.0, double thumbRadius = 12.0}) -
const
Properties
- activeTrackColor → Color?
-
Color of the active (filled) portion of the track.
final
- divisions → int?
-
The number of discrete divisions. If null, the slider is continuous.
final
- enabled → bool
-
Whether the slider is enabled.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- inactiveTrackColor → Color?
-
Color of the inactive (unfilled) portion of the track.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- max → double
-
The maximum value the user can select.
final
- maxLabel → String?
-
Label displayed at the maximum end of the slider.
final
- min → double
-
The minimum value the user can select.
final
- minLabel → String?
-
Label displayed at the minimum end of the slider.
final
-
onChanged
→ ValueChanged<
double> ? -
Called when the user changes the slider value.
final
-
onChangeEnd
→ ValueChanged<
double> ? -
Called when the user stops dragging the slider.
final
-
onChangeStart
→ ValueChanged<
double> ? -
Called when the user starts dragging the slider.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- showTickMarks → bool
-
Whether to show tick marks for discrete sliders.
final
- showTooltip → bool
-
Whether to show the value tooltip when dragging.
final
- thumbColor → Color?
-
Color of the thumb.
final
- thumbRadius → double
-
Radius of the thumb.
final
- trackHeight → double
-
Height of the track.
final
- value → double
-
The current value of the slider.
final
- valueFormatter → String Function(double)?
-
Custom formatter for the tooltip value.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< SubZeroSlider> -
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