Class Layers

图层集合类管理文档中所有的图层

Index

Constructors

Properties

items idCounter currentlayer doc

Accessors

Methods

remove add addByLayerId addlayer addFromLayer addFromName itemByName itemById has invalidateStateCache isLayerFrozen isLayerLocked isLayerVisible isLayerSelectable makeLayer sort isPurgerable purgeAll

Constructors

constructor

new Layers(doc: any): Layers
Parameters
- doc: any
Returns Layers
- Defined in entities/Layers.ts:49

Properties

items

items: Layer[]

idCounter

idCounter: number

currentlayer

currentlayer: string

doc

doc: CadDocument

Accessors

count

get count(): number
Returns number
- Defined in entities/Layers.ts:58

Methods

remove

remove(layer: Layer): LayerReference
Parameters
- layer: Layer
Returns LayerReference
- Defined in entities/Layers.ts:62

add

add(layer: Layer): Layer
添加图层（Layer 对象）
Parameters
- layer: Layer
Returns Layer
- Defined in entities/Layers.ts:123
add(
    layerName: string,
    options?: {
        color?: number;
        lineType?: string;
        layerOn?: boolean;
        frozen?: boolean;
        isLocked?: boolean;
    },
): Layer
添加图层（名称和选项）
Parameters
- layerName: string
  图层名称
- Optionaloptions: {
      color?: number;
      lineType?: string;
      layerOn?: boolean;
      frozen?: boolean;
      isLocked?: boolean;
  }
  图层选项
Returns Layer
- Defined in entities/Layers.ts:129

addByLayerId

addByLayerId(layer: Layer): Layer
根据 layerId 添加或合并图层
- 如果 layerId 已存在，返回已存在的图层
- 如果 layerId 不存在但名称已存在，自动重命名新图层后添加
- 如果都不存在，直接添加
Parameters
- layer: Layer
  要添加的图层
Returns Layer
添加后的图层
- Defined in entities/Layers.ts:205

addlayer

addlayer(layerName: string, layerOn?: boolean, color?: number): Layer
Parameters
- layerName: string
- layerOn: boolean = true
- color: number = 7
Returns Layer
- Defined in entities/Layers.ts:288

addFromLayer

addFromLayer(layer: Layer): Layer
Parameters
- layer: Layer
Returns Layer
- Defined in entities/Layers.ts:296

addFromName

addFromName(layerName: string): void
Parameters
- layerName: string
Returns void
- Defined in entities/Layers.ts:302

itemByName

itemByName(layerName: string): Layer
Parameters
- layerName: string
Returns Layer
- Defined in entities/Layers.ts:308

itemById

itemById(layerId: string): Layer
Parameters
- layerId: string
Returns Layer
- Defined in entities/Layers.ts:312

has

has(layerName: string): boolean
检查图层是否存在
Parameters
- layerName: string
  图层名称
Returns boolean
如果图层存在返回 true
- Defined in entities/Layers.ts:322

invalidateStateCache

invalidateStateCache(): void
使图层状态缓存失效当图层的 layerOn/isLocked/isFrozen 状态发生变化时调用

Returns void
- Defined in entities/Layers.ts:333

isLayerFrozen

isLayerFrozen(layerId: string): boolean
快速判断图层是否冻结
Parameters
- layerId: string
  图层ID
Returns boolean
是否冻结
- Defined in entities/Layers.ts:394

isLayerLocked

isLayerLocked(layerId: string): boolean
快速判断图层是否锁定
Parameters
- layerId: string
  图层ID
Returns boolean
是否锁定
- Defined in entities/Layers.ts:404

isLayerVisible

isLayerVisible(layerId: string): boolean
快速判断图层是否可见可见 = layerOn && !isFrozen
Parameters
- layerId: string
  图层ID
Returns boolean
是否可见
- Defined in entities/Layers.ts:415

isLayerSelectable

isLayerSelectable(layerId: string): boolean
快速判断图层是否可选择可选择 = 可见 && 未锁定
Parameters
- layerId: string
  图层ID
Returns boolean
是否可选择
- Defined in entities/Layers.ts:426

makeLayer

makeLayer(): Layer
Returns Layer
- Defined in entities/Layers.ts:430

sort

sort(): void
Returns void
- Defined in entities/Layers.ts:444

isPurgerable

isPurgerable(layer: Layer): boolean
Parameters
- layer: Layer
Returns boolean
- Defined in entities/Layers.ts:450

purgeAll

purgeAll(): void
Returns void
- Defined in entities/Layers.ts:473