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122 lines
1.9 KiB
122 lines
1.9 KiB
# Event Listening(eventBus)
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## How to Use
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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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// register
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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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// remove
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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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Feature: The selection style changes
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Usage:
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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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Feature: The visible page changes
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Usage:
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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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Feature: The current page changes
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Usage:
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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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Feature: The current number of pages has changed
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Usage:
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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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Feature: The current page scaling has changed
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Usage:
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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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Feature: The current content has changed
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Usage:
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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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Feature: The control where the current cursor is located changes
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Usage:
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```javascript
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instance.eventBus.on('controlChange', (payload: IControl | null) => void)
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```
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## pageModeChange
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Feature: The page mode changes
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Usage:
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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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Feature: Document saved
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Usage:
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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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Feature: The zone changes
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Usage:
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```javascript
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instance.eventBus.on('zoneChange', (payload: EditorZone) => void)
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```
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