| <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> |