New file |
| | |
| | | <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> |