NodeFlowEvents<T> class

Comprehensive event system for the NodeFlowEditor

Organizes all callbacks into logical groups for better discoverability and maintainability.

Constructors

NodeFlowEvents({NodeEvents<T>? node, ConnectionEvents<T>? connection, ViewportEvents? viewport, AnnotationEvents? annotation, ValueChanged<SelectionState<T>>? onSelectionChange, VoidCallback? onInit, ValueChanged<FlowError>? onError})
const

Properties

annotation → AnnotationEvents?
Annotation events
final
connection → ConnectionEvents<T>?
Connection-related events
final
hashCode → int
The hash code for this object.
no setterinherited
node → NodeEvents<T>?
Node-related events
final
onError → ValueChanged<FlowError>?
Called when an error occurs Useful for logging or showing error notifications
final
onInit → VoidCallback?
Called when the editor is initialized and ready
final
onSelectionChange → ValueChanged<SelectionState<T>>?
Called when the selection changes (nodes, connections, or annotations) Provides the complete current selection state
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
viewport → ViewportEvents?
Viewport/canvas events (pan, zoom, taps on empty canvas)
final

Methods

copyWith({NodeEvents<T>? node, ConnectionEvents<T>? connection, ViewportEvents? viewport, AnnotationEvents? annotation, ValueChanged<SelectionState<T>>? onSelectionChange, VoidCallback? onInit, ValueChanged<FlowError>? onError}) → NodeFlowEvents<T>
Create a new events object with updated values
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited