@twick/timeline / Exports / ElementAdder

Class: ElementAdder

ElementAdder visitor for adding elements to tracks Uses the visitor pattern to handle different element types Implements the Friend Class Pattern for explicit access control

Implements

• ElementVisitor<Promise<boolean>>

Table of contents

Constructors

• constructor

Properties

• track
• trackFriend

Methods

• visitAudioElement
• visitCaptionElement
• visitCircleElement
• visitIconElement
• visitImageElement
• visitRectElement
• visitTextElement
• visitVideoElement

Constructors

constructor

• new ElementAdder(track): ElementAdder

Parameters

Name	Type
track	Track

Returns

ElementAdder

Defined in

packages/timeline/src/core/visitor/element-adder.ts:22

Properties

track

• Private track: Track

Defined in

packages/timeline/src/core/visitor/element-adder.ts:19

---

trackFriend

• Private trackFriend: TrackFriend

Defined in

packages/timeline/src/core/visitor/element-adder.ts:20

Methods

visitAudioElement

▸ visitAudioElement(element): Promise<boolean>

Parameters

Name	Type
element	AudioElement

Returns

Promise<boolean>

Implementation of

ElementVisitor.visitAudioElement

Defined in

packages/timeline/src/core/visitor/element-adder.ts:43

---

visitCaptionElement

▸ visitCaptionElement(element): Promise<boolean>

Parameters

Name	Type
element	CaptionElement

Returns

Promise<boolean>

Implementation of

ElementVisitor.visitCaptionElement

Defined in

packages/timeline/src/core/visitor/element-adder.ts:90

---

visitCircleElement

▸ visitCircleElement(element): Promise<boolean>

Parameters

Name	Type
element	CircleElement

Returns

Promise<boolean>

Implementation of

ElementVisitor.visitCircleElement

Defined in

packages/timeline/src/core/visitor/element-adder.ts:120

---

visitIconElement

▸ visitIconElement(element): Promise<boolean>

Parameters

Name	Type
element	IconElement

Returns

Promise<boolean>

Implementation of

ElementVisitor.visitIconElement

Defined in

packages/timeline/src/core/visitor/element-adder.ts:105

---

visitImageElement

▸ visitImageElement(element): Promise<boolean>

Parameters

Name	Type
element	ImageElement

Returns

Promise<boolean>

Implementation of

ElementVisitor.visitImageElement

Defined in

packages/timeline/src/core/visitor/element-adder.ts:59

---

visitRectElement

▸ visitRectElement(element): Promise<boolean>

Parameters

Name	Type
element	RectElement

Returns

Promise<boolean>

Implementation of

ElementVisitor.visitRectElement

Defined in

packages/timeline/src/core/visitor/element-adder.ts:135

---

visitTextElement

▸ visitTextElement(element): Promise<boolean>

Parameters

Name	Type
element	TextElement

Returns

Promise<boolean>

Implementation of

ElementVisitor.visitTextElement

Defined in

packages/timeline/src/core/visitor/element-adder.ts:75

---

visitVideoElement

▸ visitVideoElement(element): Promise<boolean>

Parameters

Name	Type
element	VideoElement

Returns

Promise<boolean>

Implementation of

ElementVisitor.visitVideoElement

Defined in

packages/timeline/src/core/visitor/element-adder.ts:27