Class: DiagramState

Implements

• IUserInteractionTranslate
• IUserInteractionTranslateAndZoom

Constructors

constructor

• new DiagramState(rootStore)

Parameters

Name	Type
rootStore	RootStore

Accessors

importGenerationId

• get importGenerationId(): number

Returns

number

---

offset

• get offset(): Point

Returns

Point

Implementation of

IUserInteractionTranslateAndZoom.offset

---

ref

• get ref(): HtmlElementRefState

Returns

HtmlElementRefState

---

zoom

• get zoom(): number

Returns

number

Implementation of

IUserInteractionTranslateAndZoom.zoom

Methods

export

▸ export(): IDiagramState

Returns

IDiagramState

---

getPositionByPointer

▸ getPositionByPointer(pointerPosition): Point

Get position on Diagram in its coordinates system (including zoom) by mouse/touch position.

Parameters

Name	Type	Description
pointerPosition	Point	position of mouse or finger on the screen

Returns

Point

---

getRenderedZoom

▸ getRenderedZoom(): null | number

Returns

null | number

---

import

▸ import(state?): void

Parameters

Name	Type
state?	IDiagramState

Returns

void

---

incrementImportGenerationId

▸ incrementImportGenerationId(): void

Returns

void

---

setOffset

▸ setOffset(newOffset): void

Parameters

Name	Type
newOffset	undefined | null | Point

Returns

void

Implementation of

IUserInteractionTranslate.setOffset

---

setTransformation

▸ setTransformation(newOffset, newZoom): void

Parameters

Name	Type
newOffset	Point
newZoom	number

Returns

void

---

setZoom

▸ setZoom(newZoom): void

Parameters

Name	Type
newZoom	undefined | null | number

Returns

void

---

translate

▸ translate(translateBy): void

Parameters

Name	Type
translateBy	Point

Returns

void

---

translateAndZoomInto

▸ translateAndZoomInto(translateBy, pointToZoomInto, zoomMultiplicator): void

Parameters

Name	Type
translateBy	Point
pointToZoomInto	Point
zoomMultiplicator	number

Returns

void

Implementation of

IUserInteractionTranslateAndZoom.translateAndZoomInto

---

zoomIn

▸ zoomIn(): void

Returns

void

---

zoomInto

▸ zoomInto(pointToZoomInto, zoomMultiplicator): void

Parameters

Name	Type
pointToZoomInto	Point
zoomMultiplicator	number

Returns

void

---

zoomIntoCenter

▸ zoomIntoCenter(zoomMultiplicator): void

Parameters

Name	Type
zoomMultiplicator	number

Returns

void

---

zoomOut

▸ zoomOut(): void

Returns

void

---

zoomToFit

▸ zoomToFit(): void

Returns

void