CanvasMovePolicy mixin

Optimized implementation of CanvasPolicy.

It enabled only pan of the canvas.

It uses onCanvasScaleStart, onCanvasScaleUpdate, onCanvasScaleEnd. Feel free to override other functions from CanvasPolicy and add them to PolicySet.

Implemented types

• CanvasControlPolicy

Properties

canUpdateCanvasModel ↔ bool

getter/setter pair, override

canvasReader ↔ CanvasReader

Allows you to read all data from diagram/canvas model.

getter/setter pair, inherited

canvasWriter ↔ CanvasWriter

Allows you to change diagram/canvas model data.

getter/setter pair, inherited

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

transformPosition ↔ Offset

getter/setter pair, override

transformScale ↔ double

getter/setter pair, override

Methods

disposeAnimationController() → void

override

getAnimationController() → AnimationController?

override

initializePolicy(CanvasReader canvasReader, CanvasWriter canvasWriter) → void

Initialize policy in DiagramEditorContext.

inherited

keepScaleInBounds(double scale, double canvasScale) → double

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

onCanvasPointerSignal(PointerSignalEvent event) → void

override

onCanvasScaleEnd(ScaleEndDetails details) → void

override

onCanvasScaleStart(ScaleStartDetails details) → void

override

onCanvasScaleUpdate(ScaleUpdateDetails details) → void

override

setAnimationController(AnimationController animationController) → void

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited