Class: SharedCanvasState

Defined in: src/diagram/sharedCanvasState.ts:70

Stores common state and settings for multiple canvases.

Properties

Property	Modifier	Type	Description
defaultElementResolver	readonly	(element) => ElementTemplate	Default element template resolver to use as a fallback (returns a default template for any element).
defaultLayout	readonly	LayoutFunction	Default layout algorithm function to use if it's not specified explicitly.
defaultLinkResolver	readonly	(link) => LinkTemplate	Default link template resolver to use as a fallback (returns a default template for any link).
events	readonly	Events<SharedCanvasStateEvents>	Event for the shared canvas state.
renameLinkProvider	readonly	undefined | RenameLinkProvider	A strategy to rename diagram links (change labels).

Accessors

highlighter

Get Signature

get highlighter(): undefined | CellHighlighter

Defined in: src/diagram/sharedCanvasState.ts:175

Returns active highlight for the diagram cells.

Experimental: this feature will likely change in the future.

Returns

undefined | CellHighlighter

Methods

findAllCanvases()

findAllCanvases(): CanvasApi[]

Defined in: src/diagram/sharedCanvasState.ts:118

Returns all canvases that use this shared state.

Returns

CanvasApi[]

---

findAnyCanvas()

findAnyCanvas(): undefined | CanvasApi

Defined in: src/diagram/sharedCanvasState.ts:127

Returns any canvas that uses this shared state or undefined if none found.

Returns

undefined | CanvasApi

---

hasHandlerForNextDropOnPaper()

hasHandlerForNextDropOnPaper(): boolean

Defined in: src/diagram/sharedCanvasState.ts:147

Returns true if there is a previously set drop handler on a canvas, otherwise false.

Experimental: this feature will likely change in the future.

Returns

boolean

---

setHandlerForNextDropOnPaper()

setHandlerForNextDropOnPaper(handler): void

Defined in: src/diagram/sharedCanvasState.ts:137

Sets the handler for the next drop event from drag-and-drop operation on a canvas.

Experimental: this feature will likely change in the future.

Parameters

Parameter	Type
handler	undefined | (e) => void

Returns

void

---

setHighlighter()

setHighlighter(value): void

Defined in: src/diagram/sharedCanvasState.ts:181

Sets or removes an active highlight for the diagram cells.

Experimental: this feature will likely change in the future.

Parameters

Parameter	Type
value	undefined | CellHighlighter

Returns

void

---

tryHandleDropOnPaper()

tryHandleDropOnPaper(e): boolean

Defined in: src/diagram/sharedCanvasState.ts:159

Tries to run previously set drop handler on a canvas, then removes the handler if it was set.

Experimental: this feature will likely change in the future.

Parameters

Parameter	Type
e	CanvasDropEvent

Returns

boolean

true if a handler was set, otherwise false