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<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>
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