ChartWidgetMixin<T extends StatefulWidget> mixin
Mixin providing common chart widget functionality.
This mixin provides:
- Theme integration
- Animation support
- Hit testing infrastructure
- Common layout helpers
- Superclass constraints
- State<
T>
- State<
Properties
- animationProgress → double
-
Current animation progress (0.0 to 1.0).
no setter
- context → BuildContext
-
The location in the tree where this widget builds.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- isAnimating → bool
-
Whether animation is currently running.
no setter
- mounted → bool
-
Whether this State object is currently in a tree.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- spatialIndex ↔ ChartSpatialIndex?
-
Spatial index for hit testing.
getter/setter pair
- theme → ChartThemeData
-
The chart theme.
no setter
- widget → T
-
The current configuration.
no setterinherited
Methods
-
activate(
) → void -
Called when this object is reinserted into the tree after having been
removed via deactivate.
inherited
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
inherited
-
clearSpatialIndex(
) → void - Clears the spatial index.
-
deactivate(
) → void -
Called when this object is removed from the tree.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
didChangeDependencies(
) → void -
Called when a dependency of this State object changes.
inherited
-
didUpdateWidget(
covariant T oldWidget) → void -
Called whenever the widget configuration changes.
inherited
-
dispose(
) → void -
Called when this object is removed from the tree permanently.
inherited
-
disposeAnimation(
) → void - Disposes animation resources.
-
hitTest(
Offset point) → DataPointInfo? - Performs hit testing at the given point.
-
initAnimation(
ChartAnimation? animation, TickerProvider vsync) → void - Initializes animation with the given configuration.
-
initSpatialIndex(
Rect bounds) → void - Initializes spatial index for hit testing.
-
initState(
) → void -
Called when this object is inserted into the tree.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
reassemble(
) → void -
Called whenever the application is reassembled during debugging, for
example during hot reload.
inherited
-
restartAnimation(
) → void - Restarts the animation.
-
setState(
VoidCallback fn) → void -
Notify the framework that the internal state of this object has changed.
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
-
toStringShort(
) → String -
A brief description of this object, usually just the runtimeType and the
hashCode.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited