Class: RelationLink

Defined in: editor/dataElements.ts:376

Data graph relation represented by a diagram link, uniquely identified by (source entity IRI, target entity IRI, link type IRI) tuple.

Extends

• Link

Constructors

Constructor

new RelationLink(props): RelationLink

Defined in: editor/dataElements.ts:381

Parameters

Parameter	Type
props	RelationLinkProps

Returns

RelationLink

Overrides

Link.constructor

Properties

Property	Modifier	Type	Default value	Description	Overrides	Inherited from
events	readonly	Events<RelationLinkEvents>	undefined	Events for the graph link.	Link.events	‐
id	readonly	string	undefined	Unique and immutable link ID on the diagram.	‐	Link.id
fromJSONType	readonly	"Link"	'Link'	‐	‐	‐

Accessors

data

Get Signature

get data(): LinkModel

Defined in: editor/dataElements.ts:394

Returns

LinkModel

---

linkState

Get Signature

get linkState(): TemplateState

Defined in: diagram/elements.ts:398

Gets a serializable template-specific state for the link.

Returns

TemplateState

Inherited from

Link.linkState

---

sourceId

Get Signature

get sourceId(): string

Defined in: diagram/elements.ts:345

Gets an immutable link source element ID.

Returns

string

Inherited from

Link.sourceId

---

targetId

Get Signature

get targetId(): string

Defined in: diagram/elements.ts:352

Gets an immutable link target element ID.

Returns

string

Inherited from

Link.targetId

---

typeId

Get Signature

get typeId(): LinkTypeIri

Defined in: diagram/elements.ts:359

Gets the link type IRI.

Returns

LinkTypeIri

Inherited from

Link.typeId

---

vertices

Get Signature

get vertices(): readonly Vector[]

Defined in: diagram/elements.ts:375

Gets the link geometry (intermediate points in paper coordinates in order from the link source to the target).

Returns

readonly Vector[]

Inherited from

Link.vertices

Methods

redraw()

redraw(): void

Defined in: diagram/elements.ts:418

Forces a re-render of the link displayed by a template on a canvas.

Returns

void

Inherited from

Link.redraw

---

setData()

setData(value): void

Defined in: editor/dataElements.ts:397

Parameters

Parameter	Type
value	LinkModel

Returns

void

---

setLinkState()

setLinkState(value): void

Defined in: diagram/elements.ts:408

Sets a new value for linkState property.

Triggers LinkEvents.changeLinkState event if new value does not equal to the previous one.

Parameters

Parameter	Type
value	TemplateState

Returns

void

Inherited from

Link.setLinkState

---

setVertices()

setVertices(value): void

Defined in: diagram/elements.ts:388

Sets a new value for vertices property.

Triggers LinkEvents.changeVertices event if new geometry does not equal to the previous one.

Parameters

Parameter	Type
value	readonly Vector[]

Returns

void

See

• RestoreGeometry
• ()

Inherited from

Link.setVertices

---

toJSON()

toJSON(): SerializedRelationLink

Defined in: editor/dataElements.ts:457

Returns

SerializedRelationLink

---

withDirection()

withDirection(data): RelationLink

Defined in: editor/dataElements.ts:405

Parameters

Parameter	Type
data	LinkModel

Returns

RelationLink

---

fromJSON()

static fromJSON(state, options): undefined | RelationLink

Defined in: editor/dataElements.ts:421

Parameters

Parameter	Type
state	SerializedRelationLink
options	LinkFromJsonOptions

Returns

undefined | RelationLink

---

generateId()

static generateId(): string

Defined in: diagram/elements.ts:338

Generates a new unique ID for an link.

Returns

string

Inherited from

Link.generateId