| <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>
 |