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34 lines
877 B
34 lines
877 B
2 years ago
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/*
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* @Author: 秦少卫
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* @Date: 2022-09-03 19:16:55
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* @LastEditors: 秦少卫
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* @LastEditTime: 2022-09-04 00:01:00
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* @Description: 自定义事件
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*/
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import EventEmitter from 'events'
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class EventHandle extends EventEmitter {
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init(handler) {
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this.handler = handler
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this.handler.on('selection:created', (e) => this._selected(e))
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this.handler.on('selection:updated', (e) => this._selected(e))
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this.handler.on('selection:cleared', (e) => this._selected(e))
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}
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// 暴露单选多选事件
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_selected(e) {
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const actives = this.handler.getActiveObjects()
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if (actives && actives.length === 1) {
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this.emit('selectOne', actives)
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} else if (actives && actives.length > 1) {
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this.mSelectMode = 'multiple'
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this.emit('selectMultiple', actives)
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} else {
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this.emit('selectCancel')
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}
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}
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}
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export default EventHandle
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