68 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Vue
		
	
	
	
		
		
			
		
	
	
			68 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Vue
		
	
	
	
|  | <template> | |||
|  | 	<view class="u-swipe-action"> | |||
|  | 		<slot></slot> | |||
|  | 	</view> | |||
|  | </template> | |||
|  | 
 | |||
|  | <script> | |||
|  | 	import props from './props.js'; | |||
|  | 	/** | |||
|  | 	 * SwipeAction 滑动单元格  | |||
|  | 	 * @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 | |||
|  | 	 * @tutorial https://www.uviewui.com/components/swipeAction.html
 | |||
|  | 	 * @property {Boolean}	autoClose	是否自动关闭其他swipe按钮组 | |||
|  | 	 * @event {Function(index)}	click	点击组件时触发 | |||
|  | 	 * @example	<u-swipe-action><u-swipe-action-item :rightOptions="options1" ></u-swipe-action-item></u-swipe-action> | |||
|  | 	 */ | |||
|  | 	export default { | |||
|  | 		name: 'u-swipe-action', | |||
|  | 		mixins: [uni.$u.mpMixin, uni.$u.mixin, props], | |||
|  | 		data() { | |||
|  | 			return {} | |||
|  | 		}, | |||
|  | 		provide() { | |||
|  | 			return { | |||
|  | 				swipeAction: this | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		computed: { | |||
|  | 			// 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
 | |||
|  | 			// 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)
 | |||
|  | 			// 拉取父组件新的变化后的参数
 | |||
|  | 			parentData() { | |||
|  | 				return [this.autoClose] | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		watch: { | |||
|  | 			// 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
 | |||
|  | 			parentData() { | |||
|  | 				if (this.children.length) { | |||
|  | 					this.children.map(child => { | |||
|  | 						// 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)
 | |||
|  | 						typeof(child.updateParentData) === 'function' && child.updateParentData() | |||
|  | 					}) | |||
|  | 				} | |||
|  | 			}, | |||
|  | 		}, | |||
|  | 		created() { | |||
|  | 			this.children = [] | |||
|  | 		}, | |||
|  | 		methods: { | |||
|  | 			closeOther(child) { | |||
|  | 				if (this.autoClose) { | |||
|  | 					// 历遍所有的单元格,找出非当前操作中的单元格,进行关闭
 | |||
|  | 					this.children.map((item, index) => { | |||
|  | 						if (child !== item) { | |||
|  | 							item.closeHandler() | |||
|  | 						} | |||
|  | 					}) | |||
|  | 				} | |||
|  | 			} | |||
|  | 		} | |||
|  | 	} | |||
|  | </script> | |||
|  | 
 | |||
|  | <style lang="scss" scoped> | |||
|  | 
 | |||
|  | </style> |