NrbComboChart class
A professional combo chart that overlays a line chart on top of a bar chart. This chart supports dual Y-axes (one for the bars on the left, one for the line on the right) and features interactive tap events to display tooltips for specific data points.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- NrbComboChart
Constructors
-
NrbComboChart({Key? key, required List<
double> barData, required List<double> lineData, required List<String> labels, double width = double.infinity, double height = 250.0, Color barColor = const Color(0xFF4A90E2), Color lineColor = const Color(0xFF34C759), Duration animationDuration = const Duration(milliseconds: 1500)}) -
Constructor for the Combo Chart.
const
Properties
- animationDuration → Duration
-
The duration of the drawing and growing animation on initial load.
final
- barColor → Color
-
The color of the vertical bars.
final
-
barData
→ List<
double> -
The numerical data for the vertical bars (Left Y-Axis).
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
The overall height of the chart widget.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
labels
→ List<
String> -
The labels for the X-axis (e.g., months or categories).
Must be the same length as barData.
final
- lineColor → Color
-
The color of the overlay line and its data points.
final
-
lineData
→ List<
double> -
The numerical data for the line chart (Right Y-Axis).
Must be the same length as barData.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- width → double
-
The overall width of the chart widget.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< NrbComboChart> -
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
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited