BlockSuite API Documentation / @blocksuite/blocks / MindmapElementModel

Class: MindmapElementModel

Extends

• SurfaceGroupLikeModel<MindmapElementProps>

Constructors

new MindmapElementModel()

new MindmapElementModel(options): MindmapElementModel

Parameters

• options

• options.id: string

• options.model: SurfaceBlockModel

• options.onChange

• options.stashedStore: Map<unknown, unknown>

• options.yMap: YMap<unknown>

Returns

MindmapElementModel

Inherited from

SurfaceGroupLikeModel.constructor

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:92

Properties

_disposable

protected _disposable: DisposableGroup

Inherited from

SurfaceGroupLikeModel._disposable

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:58

---

_id

protected _id: string

Inherited from

SurfaceGroupLikeModel._id

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:59

---

_local

protected _local: Map<string | symbol, unknown>

Inherited from

SurfaceGroupLikeModel._local

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:60

---

_onChange()

protected _onChange: (payload) => void

Parameters

• payload

• payload.local: boolean

• payload.oldValues: Record<string, unknown>

• payload.props: Record<string, unknown>

Returns

void

Inherited from

SurfaceGroupLikeModel._onChange

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:61

---

_preserved

protected _preserved: Map<string, unknown>

Used to store a copy of data in the yMap.

Inherited from

SurfaceGroupLikeModel._preserved

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:69

---

_stashed

protected _stashed: Map<string, unknown>

Inherited from

SurfaceGroupLikeModel._stashed

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:70

---

[gfxContainerSymbol]

[gfxContainerSymbol]: true

Inherited from

SurfaceGroupLikeModel.[gfxContainerSymbol]

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:125

---

connectors

connectors: Map<string, LocalConnectorElementModel>

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:35

---

extraConnectors

extraConnectors: Map<string, LocalConnectorElementModel>

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:36

---

surface

surface: SurfaceBlockModel

Inherited from

SurfaceGroupLikeModel.surface

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:72

---

yMap

yMap: YMap<unknown>

Inherited from

SurfaceGroupLikeModel.yMap

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:74

Accessors

childElements

get childElements(): GfxModel[]

Returns

GfxModel[]

Inherited from

SurfaceGroupLikeModel.childElements

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:126

---

childIds

get childIds(): string[]

The ids of the children. Its role is to provide a unique way to access the children. You should update this field through setChildIds when the children are added or removed.

Returns

string[]

Inherited from

SurfaceGroupLikeModel.childIds

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:131

---

children

Overrides

SurfaceGroupLikeModel.children

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:118

---

connectable

get connectable(): boolean

Returns

boolean

Inherited from

SurfaceGroupLikeModel.connectable

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:75

---

deserializedXYWH

get deserializedXYWH(): XYWH

Returns

XYWH

Inherited from

SurfaceGroupLikeModel.deserializedXYWH

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:76

---

display

Inherited from

SurfaceGroupLikeModel.display

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:114

---

elementBound

get elementBound(): Bound

The bound of the element after rotation. The bound without rotation should be created by Bound.deserialize(this.xywh).

Returns

Bound

Inherited from

SurfaceGroupLikeModel.elementBound

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:81

---

externalBound

get externalBound(): null | Bound

Returns

null | Bound

Inherited from

SurfaceGroupLikeModel.externalBound

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:82

---

externalXYWH

Inherited from

SurfaceGroupLikeModel.externalXYWH

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:115

---

group

get group(): null | SurfaceGroupLikeModel<BaseElementProps>

Returns

null | SurfaceGroupLikeModel<BaseElementProps>

Inherited from

SurfaceGroupLikeModel.group

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:83

---

groups

get groups(): SurfaceGroupLikeModel<BaseElementProps>[]

Returns

SurfaceGroupLikeModel<BaseElementProps>[]

Inherited from

SurfaceGroupLikeModel.groups

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:84

---

h

get h(): number

Returns

number

Inherited from

SurfaceGroupLikeModel.h

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:85

---

id

get id(): string

Returns

string

Inherited from

SurfaceGroupLikeModel.id

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:86

---

index

Inherited from

SurfaceGroupLikeModel.index

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:116

---

isConnected

get isConnected(): boolean

Returns

boolean

Inherited from

SurfaceGroupLikeModel.isConnected

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:87

---

layoutType

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:119

---

nodeMap

get nodeMap(): Map<string, MindmapNode>

Returns

Map<string, MindmapNode>

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:37

---

opacity

Inherited from

SurfaceGroupLikeModel.opacity

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:117

---

rotate

get rotate(): number

set rotate(_): void

Parameters

• _: number

Returns

number

Overrides

SurfaceGroupLikeModel.rotate

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:38

---

seed

Inherited from

SurfaceGroupLikeModel.seed

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:118

---

style

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:120

---

styleGetter

get styleGetter(): MindmapStyleGetter

Returns

MindmapStyleGetter

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:40

---

tree

get tree(): MindmapRoot

Returns

MindmapRoot

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:41

---

type

get type(): string

Returns

string

Overrides

SurfaceGroupLikeModel.type

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:42

---

w

get w(): number

Returns

number

Inherited from

SurfaceGroupLikeModel.w

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:89

---

x

get x(): number

Returns

number

Inherited from

SurfaceGroupLikeModel.x

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:90

---

xywh

get xywh(): `[${number},${number},${number},${number}]`

set xywh(_): void

Parameters

• _: `[${number},${number},${number},${number}]`

Returns

`[${number},${number},${number},${number}]`

Inherited from

SurfaceGroupLikeModel.xywh

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:132

---

y

get y(): number

Returns

number

Inherited from

SurfaceGroupLikeModel.y

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:91

Methods

addConnector()

protected addConnector(from, to, layout, connectorStyle, extra?): LocalConnectorElementModel

Parameters

• from: MindmapNode

• to: MindmapNode

• layout: LayoutType

• connectorStyle: ConnectorStyle

• extra?: boolean

Returns

LocalConnectorElementModel

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:47

---

addNode()

addNode(parent, sibling?, position?, props?, direction?): string

Parameters

• parent: null | string | MindmapNode

The parent node id of the new node. If it's null, the node will be the root node

• sibling?: string | number

• position?: "before" | "after"

• props?: Record<string, unknown>

• direction?: LEFT | RIGHT

Force the layout direction of the node. It only works on the first level node with the layout type of BALANCE

Returns

string

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:48

---

addTree()

addTree(parent, tree, sibling?, layout?): undefined | null | MindmapNode

Parameters

• parent: string | MindmapNode

• tree: MindmapNode | Node

• sibling?: string | number

sibling indicates where to insert a subtree among peer elements. If it's a string, it represents a peer element's ID; if it's a number, it represents its index. The subtree will be inserted before the sibling element.

• layout?: LayoutType

Preferred layout direction, only works when parent is root and layout type is BALANCE

Returns

undefined | null | MindmapNode

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:58

---

applyStyle()

applyStyle(fitContent?): void

Parameters

• fitContent?: boolean

Returns

void

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:70

---

buildTree()

protected buildTree(): void

Returns

void

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:71

---

containsBound()

containsBound(bounds): boolean

Parameters

• bounds: Bound

Returns

boolean

Inherited from

SurfaceGroupLikeModel.containsBound

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:104

---

descendants()

descendants(withoutGroup?): GfxModel[]

Parameters

• withoutGroup?: boolean

if true, will not include group element

Returns

GfxModel[]

Deprecated

Use getAllDescendantElements instead. Get all descendants of this group

Inherited from

SurfaceGroupLikeModel.descendants

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:140

---

detach()

detach(subtree): undefined | MindmapNode

Detach a mindmap. It is similar to removeChild but it does not delete the node.

So the node can be used to create a new mind map or merge into other mind map

Parameters

• subtree: string | MindmapNode

Returns

undefined | MindmapNode

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:78

---

getChildNodes()

getChildNodes(id, subtree?): MindmapNode[]

Parameters

• id: string

• subtree?: "left" | "right"

The subtree of root, this only take effects when the layout type is BALANCED.

Returns

MindmapNode[]

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:84

---

getConnector()

getConnector(from, to): null | LocalConnectorElementModel

Parameters

• from: MindmapNode

• to: MindmapNode

Returns

null | LocalConnectorElementModel

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:85

---

getLayoutDir()

getLayoutDir(node): null | LayoutType

Parameters

• node: string | MindmapNode

Returns

null | LayoutType

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:86

---

getLineIntersections()

getLineIntersections(start, end): null | PointLocation[]

Parameters

• start: IVec

• end: IVec

Returns

null | PointLocation[]

Inherited from

SurfaceGroupLikeModel.getLineIntersections

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:105

---

getNearestPoint()

getNearestPoint(point): IVec

Parameters

• point: IVec

Returns

IVec

Inherited from

SurfaceGroupLikeModel.getNearestPoint

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:106

---

getNode()

getNode(id): null | MindmapNode

Parameters

• id: string

Returns

null | MindmapNode

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:87

---

getParentNode()

getParentNode(id): null | MindmapNode

Parameters

• id: string

Returns

null | MindmapNode

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:88

---

getPath()

getPath(element): number[]

Path is an array of indexes that represent the path from the root node to the target node. The first element of the array is always 0, which represents the root node.

Parameters

• element: string | MindmapNode

Returns

number[]

Example

const path = mindmap.getPath('nodeId');
// [0, 1, 2]

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:101

---

getRelativePointLocation()

getRelativePointLocation(relativePoint): PointLocation

Parameters

• relativePoint: IVec

Returns

PointLocation

Inherited from

SurfaceGroupLikeModel.getRelativePointLocation

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:107

---

getSiblingNode()

getSiblingNode(id, direction?, subtree?): null | MindmapNode

Parameters

• id: string

• direction?: "next" | "prev"

• subtree?: "left" | "right"

The subtree of which that the sibling node belongs to, this is used when the layout type is BALANCED.

Returns

null | MindmapNode

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:102

---

hasChild()

hasChild(element): boolean

The actual field that stores the children of the group. It should be a ymap decorated with @field.

Parameters

• element: string | GfxModel

Returns

boolean

Inherited from

SurfaceGroupLikeModel.hasChild

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:145

---

hasDescendant()

hasDescendant(element): boolean

Check if the group has the given descendant.

Parameters

• element: string | GfxModel

Returns

boolean

Inherited from

SurfaceGroupLikeModel.hasDescendant

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:149

---

includesPoint()

includesPoint(x, y, _, __): boolean

Parameters

• x: number

• y: number

• _: PointTestOptions

• __: EditorHost

Returns

boolean

Inherited from

SurfaceGroupLikeModel.includesPoint

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:108

---

intersectsBound()

intersectsBound(bound): boolean

Parameters

• bound: Bound

Returns

boolean

Inherited from

SurfaceGroupLikeModel.intersectsBound

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:109

---

layout()

layout(tree?, applyStyle?, layoutType?): void

Parameters

• tree?: MindmapNode | MindmapRoot

• applyStyle?: boolean

• layoutType?: LayoutType

Returns

void

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:108

---

moveTo()

moveTo(targetXYWH): void

Parameters

• targetXYWH: `[${number},${number},${number},${number}]` | XYWH

Returns

void

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:109

---

moveTree()

moveTree(tree, parent, siblingIndex, layout?): undefined | MindmapNode

Parameters

• tree: MindmapNode

• parent: string | MindmapNode

• siblingIndex: number

• layout?: LayoutType

Returns

undefined | MindmapNode

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:110

---

onCreated()

onCreated(): void

Returns

void

Overrides

SurfaceGroupLikeModel.onCreated

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:111

---

pop()

pop(prop): void

Parameters

• prop: string

Returns

void

Inherited from

SurfaceGroupLikeModel.pop

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:111

---

removeChild()

removeChild(id): void

Remove the child from the group

Parameters

• id: string

Returns

void

Overrides

SurfaceGroupLikeModel.removeChild

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:112

---

requestBuildTree()

protected requestBuildTree(): void

Returns

void

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:113

---

requestLayout()

requestLayout(): void

Returns

void

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:114

---

serialize()

serialize(): SerializedMindmapElement

Returns

SerializedMindmapElement

Overrides

SurfaceGroupLikeModel.serialize

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:115

---

setChildIds()

setChildIds(value, fromLocal): void

Set the new value of the childIds

Parameters

• value: string[]

the new value of the childIds

• fromLocal: boolean

if true, the change is happened in the local

Returns

void

Inherited from

SurfaceGroupLikeModel.setChildIds

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:159

---

stash()

stash(prop): void

Parameters

• prop: string

Returns

void

Inherited from

SurfaceGroupLikeModel.stash

Defined in

packages/framework/block-std/dist/gfx/surface/element-model.d.ts:113

---

stashTree()

stashTree(node): undefined | () => void

Parameters

• node: string | MindmapNode

Returns

undefined | () => void

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:116

---

traverse()

traverse(callback): void

Parameters

• callback

Returns

void

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:117

---

createFromTree()

static createFromTree(tree, style, layoutType, surface): MindmapElementModel

Parameters

• tree: MindmapNode

• style: MindmapStyle

• layoutType: LayoutType

• surface: SurfaceBlockModel

Returns

MindmapElementModel

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:43

---

propsToY()

static propsToY(props): MindmapElementProps

Parameters

• props: Record<string, unknown>

Returns

MindmapElementProps

Overrides

SurfaceGroupLikeModel.propsToY

Defined in

packages/affine/block-surface/dist/element-model/mindmap.d.ts:44