BeuiTreemap class
Proportional tiles that morph with the data, with value and share tooltips.
Compose BeuiTreemapPlot, BeuiTreemapTooltip and BeuiTreemapLegend, or omit children for the default layout.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- BeuiTreemap
Constructors
-
BeuiTreemap({required List<
BeuiTreemapNode> data, Key? key, String label = 'Treemap', String formatValue(double value)?, List<Color> ? colors, Color? textColor, String? activeId, String? defaultActiveId, ValueChanged<String?> ? onActiveChange, Widget? child}) -
Creates a treemap.
const
Properties
- activeId → String?
-
Controlled active tile.
final
- child → Widget?
-
Custom composition. Null renders plot + tooltip + legend.
final
-
colors
→ List<
Color> ? -
Top-level palette; nodes can override.
final
-
data
→ List<
BeuiTreemapNode> -
Flat leaves or nested groups.
final
- defaultActiveId → String?
-
Uncontrolled seed.
final
- formatValue → String Function(double value)?
-
Value formatter. Defaults to a grouped integer.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- label → String
-
Accessible name.
final
-
onActiveChange
→ ValueChanged<
String?> ? -
Active-id callback.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- textColor → Color?
-
Default tile text color.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< BeuiTreemap> -
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