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