68 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
| <template>
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| 	<view class="u-swipe-action">
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| 		<slot></slot>
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| 	</view>
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| </template>
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| 
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| <script>
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| 	import props from './props.js';
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| 	/**
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| 	 * SwipeAction 滑动单元格 
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| 	 * @description 该组件一般用于左滑唤出操作菜单的场景,用的最多的是左滑删除操作
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| 	 * @tutorial https://www.uviewui.com/components/swipeAction.html
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| 	 * @property {Boolean}	autoClose	是否自动关闭其他swipe按钮组
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| 	 * @event {Function(index)}	click	点击组件时触发
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| 	 * @example	<u-swipe-action><u-swipe-action-item :rightOptions="options1" ></u-swipe-action-item></u-swipe-action>
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| 	 */
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| 	export default {
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| 		name: 'u-swipe-action',
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| 		mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
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| 		data() {
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| 			return {}
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| 		},
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| 		provide() {
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| 			return {
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| 				swipeAction: this
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| 			}
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| 		},
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| 		computed: {
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| 			// 这里computed的变量,都是子组件u-swipe-action-item需要用到的,由于头条小程序的兼容性差异,子组件无法实时监听父组件参数的变化
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| 			// 所以需要手动通知子组件,这里返回一个parentData变量,供watch监听,在其中去通知每一个子组件重新从父组件(u-swipe-action-item)
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| 			// 拉取父组件新的变化后的参数
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| 			parentData() {
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| 				return [this.autoClose]
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| 			}
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| 		},
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| 		watch: {
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| 			// 当父组件需要子组件需要共享的参数发生了变化,手动通知子组件
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| 			parentData() {
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| 				if (this.children.length) {
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| 					this.children.map(child => {
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| 						// 判断子组件(u-swipe-action-item)如果有updateParentData方法的话,就就执行(执行的结果是子组件重新从父组件拉取了最新的值)
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| 						typeof(child.updateParentData) === 'function' && child.updateParentData()
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| 					})
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| 				}
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| 			},
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| 		},
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| 		created() {
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| 			this.children = []
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| 		},
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| 		methods: {
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| 			closeOther(child) {
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| 				if (this.autoClose) {
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| 					// 历遍所有的单元格,找出非当前操作中的单元格,进行关闭
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| 					this.children.map((item, index) => {
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| 						if (child !== item) {
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| 							item.closeHandler()
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| 						}
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| 					})
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| 				}
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| 			}
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| 		}
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| 	}
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| </script>
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| 
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| <style lang="scss" scoped>
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| 
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| </style>
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