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<template>
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<view class="u-swipe-action-item" ref="u-swipe-action-item">
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<view class="u-swipe-action-item__right">
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<slot name="button">
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<view v-for="(item,index) in options" :key="index" class="u-swipe-action-item__right__button"
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:ref="`u-swipe-action-item__right__button-${index}`" :style="[{
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alignItems: item.style && item.style.round ? 'center' : 'stretch'
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}]" @tap="buttonClickHandler(item, index)">
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<view class="u-swipe-action-item__right__button__wrapper" :style="[{
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backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD',
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borderRadius: item.style && item.style.round ? item.style.round : '0',
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padding: item.style && item.style.round ? '0' : '0 15px',
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}, item.style]">
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<u-icon v-if="item.icon" :name="item.icon"
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:color="item.style && item.style.color ? item.style.color : '#ffffff'"
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:size="item.iconSize ? $u.addUnit(item.iconSize) : item.style && item.style.fontSize ? $u.getPx(item.style.fontSize) * 1.2 : 17"
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:customStyle="{
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marginRight: item.text ? '2px' : 0
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}"></u-icon>
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<text v-if="item.text" class="u-swipe-action-item__right__button__wrapper__text u-line-1"
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:style="[{
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color: item.style && item.style.color ? item.style.color : '#ffffff',
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fontSize: item.style && item.style.fontSize ? item.style.fontSize : '16px',
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lineHeight: item.style && item.style.fontSize ? item.style.fontSize : '16px',
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}]">{{ item.text }}</text>
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</view>
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</view>
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</slot>
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</view>
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<!-- #ifdef APP-VUE || MP-WEIXIN || MP-ALIPAY || H5 || MP-QQ -->
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<view class="u-swipe-action-item__content" @touchstart="wxs.touchstart" @touchmove="wxs.touchmove"
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@touchend="wxs.touchend" :status="status" :change:status="wxs.statusChange" :size="size"
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:change:size="wxs.sizeChange">
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<slot />
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</view>
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<!-- #endif -->
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<!-- #ifdef MP-BAIDU || MP-TOUTIAO || MP-LARK -->
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<view class="u-swipe-action-item__content" @touchstart="touchStartHandler" @touchmove="touchMoveHandler"
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@touchend="touchEndHandler">
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<slot />
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</view>
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<!-- #endif -->
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<!-- #ifdef APP-NVUE -->
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<view class="u-swipe-action-item__content" ref="u-swipe-action-item__content" @panstart="onTouchstart"
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@tap="clickHandler">
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<slot></slot>
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</view>
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<!-- #endif -->
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</view>
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</template>
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<!-- #ifdef APP-VUE || MP-WEIXIN || H5 || MP-QQ -->
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<script src="./index.wxs" module="wxs" lang="wxs"></script>
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<!-- #endif -->
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<!-- #ifdef MP-ALIPAY -->
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<script src="./index.sjs" module="wxs" lang="sjs"></script>
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<!-- #endif -->
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<script>
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import props from './props.js';
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import mixin from '../../libs/mixin/mixin'
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import mpMixin from '../../libs/mixin/mpMixin';
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// #ifdef APP-NVUE
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import nvue from './nvue.js';
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// #endif
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/**
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* SwipeActionItem 滑动单元格子组件
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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://uview.d3u.cn/components/swipeAction.html
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* @property {Boolean} show 控制打开或者关闭（默认 false ）
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* @property {String | Number} index 标识符，如果是v-for，可用index索引
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* @property {Boolean} disabled 是否禁用（默认 false ）
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* @property {Boolean} autoClose 是否自动关闭其他swipe按钮组（默认 true ）
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* @property {Number} threshold 滑动距离阈值，只有大于此值，才被认为是要打开菜单（默认 30 ）
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* @property {Array} options 右侧按钮内容
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* @property {String | Number} duration 动画过渡时间，单位ms（默认 350 ）
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* @event {Function(index)} open 组件打开时触发
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* @event {Function(index)} close 组件关闭时触发
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* @example <u-swipe-action><u-swipe-action-item :options="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-item',
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mixins: [
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mpMixin,
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mixin,
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props,
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// #ifdef APP-NVUE
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nvue,
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// #endif
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],
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data() {
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return {
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// 按钮的尺寸信息
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size: {},
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// 父组件u-swipe-action的参数
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parentData: {
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autoClose: true,
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},
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// 当前状态，open-打开，close-关闭
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status: 'close',
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// #ifdef MP-BAIDU || MP-TOUTIAO || MP-LARK
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// 其他小程序平台的状态管理
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startX: 0,
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startY: 0,
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moving: false,
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currentX: 0,
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buttonsWidth: 0,
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// #endif
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}
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},
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watch: {
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// 由于wxs/sjs无法直接读取外部的值，需要在外部值变化时，重新执行赋值逻辑
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wxsInit(newValue, oldValue) {
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this.$nextTick(() => {
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this.queryRect()
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})
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}
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},
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computed: {
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wxsInit() {
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return [this.disabled, this.autoClose, this.threshold, this.options, this.duration]
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}
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},
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mounted() {
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this.init()
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},
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// #ifdef VUE3
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emits: ["click"],
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// #endif
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methods: {
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init() {
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// 初始化父组件数据
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this.updateParentData()
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// #ifndef APP-NVUE
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uni.$u.sleep().then(() => {
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this.queryRect()
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})
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// #endif
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},
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updateParentData() {
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// 此方法在mixin中
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this.getParentData('u-swipe-action')
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},
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// #ifndef APP-NVUE
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// 查询节点
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queryRect() {
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// #ifdef MP-ALIPAY
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// 支付宝小程序使用特殊的查询方式
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uni.createSelectorQuery().in(this).selectAll('.u-swipe-action-item__right__button').boundingClientRect().exec((res) => {
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const buttons = res[0] || [];
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this.size = {
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buttons,
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show: this.show,
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disabled: this.disabled,
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threshold: this.threshold,
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duration: this.duration
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}
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})
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// #endif
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// #ifndef MP-ALIPAY
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this.$uGetRect('.u-swipe-action-item__right__button', true).then(buttons => {
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this.size = {
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buttons,
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show: this.show,
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disabled: this.disabled,
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threshold: this.threshold,
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duration: this.duration
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}
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})
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// #endif
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},
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// #endif
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// #ifdef APP-VUE || MP-WEIXIN || MP-ALIPAY || H5 || MP-QQ
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closeHandler() {
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this.status = 'close'
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},
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setState(status) {
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this.status = status
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},
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closeOther() {
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// 尝试关闭其他打开的单元格
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this.parent && this.parent.closeOther(this)
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},
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// #endif
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// #ifdef MP-BAIDU || MP-TOUTIAO || MP-LARK
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// 其他小程序平台的原生JavaScript实现
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touchStartHandler(e) {
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if (this.disabled) return;
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const touch = e.touches[0];
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this.startX = touch.pageX;
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this.startY = touch.pageY;
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this.moving = true;
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this.closeOther();
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},
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touchMoveHandler(e) {
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if (!this.moving || this.disabled) return;
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const touch = e.touches[0];
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const moveX = touch.pageX - this.startX;
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const moveY = touch.pageY - this.startY;
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// 判断是否为水平滑动
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if (Math.abs(moveX) < Math.abs(moveY)) return;
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// 阻止默认滚动
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e.preventDefault && e.preventDefault();
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this.currentX = moveX;
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this.updateTransform(moveX);
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},
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touchEndHandler(e) {
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if (!this.moving || this.disabled) return;
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this.moving = false;
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const moveX = this.currentX;
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if (Math.abs(moveX) < this.threshold) {
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this.close();
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} else {
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if (moveX < 0) {
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this.open();
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} else {
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this.close();
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}
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}
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},
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updateTransform(translateX) {
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// 限制滑动范围
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if (translateX > 0) translateX = 0;
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if (Math.abs(translateX) > this.buttonsWidth) translateX = -this.buttonsWidth;
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// 更新样式
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const content = this.$refs['u-swipe-action-item'];
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if (content) {
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content.style.transform = `translateX(${translateX}px)`;
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}
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},
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open() {
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this.status = 'open';
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this.updateTransform(-this.buttonsWidth);
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this.$emit('open', this.index);
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},
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close() {
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this.status = 'close';
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this.updateTransform(0);
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this.$emit('close', this.index);
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},
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// #endif
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// 按钮被点击
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buttonClickHandler(item, index) {
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this.$emit('click', {
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index,
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name: this.name
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})
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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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@import "../../libs/css/components.scss";
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.u-swipe-action-item {
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position: relative;
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overflow: hidden;
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/* #ifndef APP-NVUE || MP-WEIXIN */
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touch-action: pan-y;
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/* #endif */
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&__content {
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transform: translateX(0px);
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background-color: #FFFFFF;
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z-index: 10;
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}
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&__right {
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position: absolute;
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top: 0;
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bottom: 0;
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right: 0;
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@include flex;
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&__button {
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@include flex;
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justify-content: center;
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overflow: hidden;
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align-items: center;
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&__wrapper {
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@include flex;
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align-items: center;
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justify-content: center;
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padding: 0 15px;
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&__text {
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@include flex;
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align-items: center;
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color: #FFFFFF;
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font-size: 15px;
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text-align: center;
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justify-content: center;
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}
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}
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}
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}
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}
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</style>
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