API > @blocksuite/lit > RangeManager

Class: RangeManager ​

CRUD for Range and TextSelection

Constructors ​

constructor ​

new RangeManager(root): RangeManager

Parameters ​

Returns ​

RangeManager

Defined In ​

packages/lit/src/utils/range-manager.ts:28

Properties ​

_isRangeReversed ​

private _isRangeReversed: boolean = false

Defined In ​

packages/lit/src/utils/range-manager.ts:35

_range ​

private _range: null | Range = null

Defined In ​

packages/lit/src/utils/range-manager.ts:34

rangeSynchronizer ​

readonly rangeSynchronizer: RangeSynchronizer

Defined In ​

packages/lit/src/utils/range-manager.ts:26

root ​

root: BlockSuiteRoot

Defined In ​

packages/lit/src/utils/range-manager.ts:28

Accessors ​

value ​

get value(): null | Range

Defined In ​

packages/lit/src/utils/range-manager.ts:30

Methods ​

_calculateVirgo ​

private _calculateVirgo(point): null | [VEditor< {bold: null | true; code: null | true; italic: null | true; link: null | string; strike: null | true; underline: null | true;} >, VRange]

Parameters ​

Returns ​

null | [VEditor< {bold: null | true; code: null | true; italic: null | true; link: null | string; strike: null | true; underline: null | true;} >, VRange]

Defined In ​

packages/lit/src/utils/range-manager.ts:212

_getBlock ​

private _getBlock(element): BlockElement< BaseBlockModel< object >, BlockService< BaseBlockModel< object > >, string >

Parameters ​

Returns ​

BlockElement< BaseBlockModel< object >, BlockService< BaseBlockModel< object > >, string >

Defined In ​

packages/lit/src/utils/range-manager.ts:356

_getNearestVirgo ​

private _getNearestVirgo(node): undefined | VirgoRootElement

Parameters ​

Returns ​

undefined | VirgoRootElement

Defined In ​

packages/lit/src/utils/range-manager.ts:342

_mergeRanges ​

private _mergeRanges(ranges): null | {range: Range; reversed: boolean;}

Parameters ​

Returns ​

null | {range: Range; reversed: boolean;}

Defined In ​

packages/lit/src/utils/range-manager.ts:270

_nodeToPoint ​

private _nodeToPoint(node): null | {blockId: string; index: number; length: number; path: string[];}

Parameters ​

Returns ​

null | {blockId: string; index: number; length: number; path: string[];}

Defined In ​

packages/lit/src/utils/range-manager.ts:239

_renderRange ​

private _renderRange(): void

Returns ​

void

Defined In ​

packages/lit/src/utils/range-manager.ts:323

_snapshotToRange ​

private _snapshotToRange(snapshot): Range

Parameters ​

Returns ​

Range

Defined In ​

packages/lit/src/utils/range-manager.ts:263

clearRange ​

clearRange(sync = true): void

Parameters ​

Returns ​

void

Defined In ​

packages/lit/src/utils/range-manager.ts:37

getSelectedBlockElementsByRange ​

getSelectedBlockElementsByRange(range, options = {}): BlockElement< BaseBlockModel< object >, BlockService< BaseBlockModel< object > >, string >[]

Parameters ​

Returns ​

BlockElement< BaseBlockModel< object >, BlockService< BaseBlockModel< object > >, string >[]

Example ​

aaa
  b[bb
    ccc
ddd
  ee]e

all mode: [aaa, bbb, ccc, ddd, eee]
flat mode: [bbb, ccc, ddd, eee]
highest mode: [bbb, ddd]

match function will be evaluated before filtering using mode

aaa
  b[bb
    ccc
ddd
  ee]e

all mode: [aaa, bbb, ccc, ddd, eee]
flat mode: [bbb, ccc, ddd, eee]
highest mode: [bbb, ddd]

match function will be evaluated before filtering using mode

Defined In ​

packages/lit/src/utils/range-manager.ts:126

pointToRange ​

pointToRange(point): null | Range

Parameters ​

Returns ​

null | Range

Defined In ​

packages/lit/src/utils/range-manager.ts:202

renderRange ​

renderRange(start, end?): void

Parameters ​

Returns ​

void

Defined In ​

packages/lit/src/utils/range-manager.ts:46

syncRangeToTextSelection ​

syncRangeToTextSelection(range, isRangeReversed): null | TextSelection

Parameters ​

Returns ​

null | TextSelection

Defined In ​

packages/lit/src/utils/range-manager.ts:82

syncTextSelectionToRange ​

syncTextSelectionToRange(selection): void

Parameters ​

Returns ​

void

Defined In ​

packages/lit/src/utils/range-manager.ts:59

textSelectionToRange ​

textSelectionToRange(selection): null | Range

Parameters ​

Returns ​

null | Range

Defined In ​

packages/lit/src/utils/range-manager.ts:179