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2.5 KiB

事件监听(eventBus)

使用方式

import Editor from "@hufe921/canvas-editor"

const instance = new Editor(container, <IElement[]>data, options)

// 注册
instance.eventBus.on<K keyof EventMap>(
  eventName: K,
  callback: EventMap[K]
)

// 移除
instance.eventBus.off<K keyof EventMap>(
  eventName: K,
  callback: EventMap[K]
)

rangeStyleChange

功能:选区样式发生改变

用法:

instance.eventBus.on('rangeStyleChange', (payload: IRangeStyle) => void)

visiblePageNoListChange

功能:可见页发生改变

用法:

instance.eventBus.on('visiblePageNoListChange', (payload: number[]) => void)

intersectionPageNoChange

功能:当前页发生改变

用法:

instance.eventBus.on('intersectionPageNoChange', (payload: number) => void)

pageSizeChange

功能:当前页数发生改变

用法:

instance.eventBus.on('pageSizeChange', (payload: number) => void)

pageScaleChange

功能:当前页面缩放比例发生改变

用法:

instance.eventBus.on('pageScaleChange', (payload: number) => void)

contentChange

功能:当前内容发生改变

用法:

instance.eventBus.on('contentChange', () => void)

controlChange

功能:当前光标所在控件发生改变

用法:

instance.eventBus.on('controlChange', (payload: IControl | null) => void)

pageModeChange

功能:页面模式发生改变

用法:

instance.eventBus.on('pageModeChange', (payload: PageMode) => void)

saved

功能:文档执行保存

用法:

instance.eventBus.on('saved', (payload: IEditorResult) => void)

zoneChange

功能:区域发生改变

用法:

instance.eventBus.on('zoneChange', (payload: EditorZone) => void)

mousemove

功能:编辑器 mousemove 事件监听

用法:

instance.eventBus.on('mousemove', (evt: MouseEvent) => void)

mouseenter

功能:编辑器 mouseenter 事件监听

用法:

instance.eventBus.on('mouseenter', (evt: MouseEvent) => void)

mouseleave

功能:编辑器 mouseleave 事件监听

用法:

instance.eventBus.on('mouseleave', (evt: MouseEvent) => void)

positionContextChange

功能:上下文内容发生改变

用法:

instance.eventBus.on('positionContextChange', (payload: IPositionContextChangePayload) => void)