NmGalaxyCanvas class
A canvas for displaying galaxy-style property visualizations.
Supports a dot grid background, positioned property dots, and lasso selection gestures.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- NmGalaxyCanvas
Constructors
-
NmGalaxyCanvas({Key? key, required List<
NmGalaxyDotData> dots, bool showGrid = true, void onDotTap(int index)?, void onLassoComplete(List<int> indices)?, void onDotsSelected(List<String> ids)?}) -
Creates a NmGalaxyCanvas.
const
Properties
-
dots
→ List<
NmGalaxyDotData> -
The dots to display on the canvas.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
onDotsSelected
→ void Function(List<
String> ids)? -
Callback when dots are selected via any mechanism.
final
- onDotTap → void Function(int index)?
-
Callback when a dot is tapped (provides dot index).
final
-
onLassoComplete
→ void Function(List<
int> indices)? -
Callback when lasso selection completes (provides indices).
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- showGrid → bool
-
Whether to show the grid background pattern.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< NmGalaxyCanvas> -
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