235 lines
3.5 KiB
Markdown
235 lines
3.5 KiB
Markdown
# 事件监听(eventBus)
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## 使用方式
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```javascript
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import Editor from "@hufe921/canvas-editor"
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const instance = new Editor(container, <IElement[]>data, options)
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// 注册
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instance.eventBus.on<K keyof EventMap>(
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eventName: K,
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callback: EventMap[K]
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)
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// 移除
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instance.eventBus.off<K keyof EventMap>(
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eventName: K,
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callback: EventMap[K]
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)
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```
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## rangeStyleChange
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功能：选区样式发生改变
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用法：
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```javascript
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instance.eventBus.on('rangeStyleChange', (payload: IRangeStyle) => void)
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```
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## visiblePageNoListChange
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功能：可见页发生改变
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用法：
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```javascript
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instance.eventBus.on('visiblePageNoListChange', (payload: number[]) => void)
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```
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## intersectionPageNoChange
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功能：当前页发生改变
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用法：
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```javascript
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instance.eventBus.on('intersectionPageNoChange', (payload: number) => void)
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```
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## pageSizeChange
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功能：当前页数发生改变
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用法：
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```javascript
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instance.eventBus.on('pageSizeChange', (payload: number) => void)
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```
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## pageScaleChange
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功能：当前页面缩放比例发生改变
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用法：
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```javascript
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instance.eventBus.on('pageScaleChange', (payload: number) => void)
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```
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## contentChange
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功能：当前内容发生改变
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用法：
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```javascript
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instance.eventBus.on('contentChange', () => void)
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```
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## controlChange
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功能：当前光标所在控件发生改变
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用法：
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```javascript
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instance.eventBus.on('controlChange', (payload: IControlChangeResult) => void)
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```
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## controlContentChange
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功能：控件内容发生改变
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用法：
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```javascript
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instance.eventBus.on('controlContentChange', (payload: IControlContentChangeResult) => void)
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```
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## pageModeChange
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功能：页面模式发生改变
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用法：
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```javascript
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instance.eventBus.on('pageModeChange', (payload: PageMode) => void)
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```
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## saved
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功能：文档执行保存
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用法：
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```javascript
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instance.eventBus.on('saved', (payload: IEditorResult) => void)
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```
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## zoneChange
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功能：区域发生改变
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用法：
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```javascript
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instance.eventBus.on('zoneChange', (payload: EditorZone) => void)
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```
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## mousemove
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功能：编辑器 mousemove 事件监听
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用法：
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```javascript
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instance.eventBus.on('mousemove', (evt: MouseEvent) => void)
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```
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## mouseenter
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功能：编辑器 mouseenter 事件监听
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用法：
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```javascript
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instance.eventBus.on('mouseenter', (evt: MouseEvent) => void)
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```
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## mouseleave
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功能：编辑器 mouseleave 事件监听
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用法：
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```javascript
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instance.eventBus.on('mouseleave', (evt: MouseEvent) => void)
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```
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## mousedown
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功能：编辑器 mousedown 事件监听
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用法：
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```javascript
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instance.eventBus.on('mousedown', (evt: MouseEvent) => void)
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```
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## mouseup
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功能：编辑器 mouseup 事件监听
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用法：
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```javascript
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instance.eventBus.on('mouseup', (evt: MouseEvent) => void)
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```
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## click
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功能：编辑器 click 事件监听
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用法：
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```javascript
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instance.eventBus.on('click', (evt: MouseEvent) => void)
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```
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## input
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功能：编辑器 input 事件监听
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用法：
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```javascript
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instance.eventBus.on('input', (evt: Event) => void)
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```
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## positionContextChange
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功能：上下文内容发生改变
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用法：
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```javascript
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instance.eventBus.on('positionContextChange', (payload: IPositionContextChangePayload) => void)
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```
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## imageSizeChange
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功能：图片尺寸发生改变事件
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用法：
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```javascript
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instance.eventBus.on('imageSizeChange', (payload: { element: IElement }) => void)
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```
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## imageMousedown
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功能：图片 mousedown 事件
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用法：
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```javascript
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instance.eventBus.on('imageMousedown', (payload: {
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evt: MouseEvent
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element: IElement
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}) => void)
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```
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