export default {
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data() {
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return {
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x: 0,
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transition: false,
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width: 0,
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viewWidth: 0,
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swipeShow: 0
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}
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},
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watch: {
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show(newVal) {
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if (this.autoClose) return
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if (newVal && newVal !== 'none') {
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this.transition = true
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this.open(newVal)
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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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created() {
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this.swipeaction = this.getSwipeAction()
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if (this.swipeaction.children !== undefined) {
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this.swipeaction.children.push(this)
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}
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},
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mounted() {
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this.isopen = false
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setTimeout(() => {
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this.getQuerySelect()
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}, 50)
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},
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methods: {
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appTouchStart(e) {
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const {
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clientX
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} = e.changedTouches[0]
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this.clientX = clientX
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this.timestamp = new Date().getTime()
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},
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appTouchEnd(e, index, item, position) {
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const {
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clientX
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} = e.changedTouches[0]
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// fixed by xxxx 模拟点击事件，解决 ios 13 点击区域错位的问题
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let diff = Math.abs(this.clientX - clientX)
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let time = (new Date().getTime()) - this.timestamp
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if (diff < 40 && time < 300) {
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this.$emit('click', {
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content: item,
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index,
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position
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})
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}
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},
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/**
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* 移动触发
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* @param {Object} e
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*/
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onChange(e) {
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this.moveX = e.detail.x
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this.isclose = false
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},
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touchstart(e) {
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this.transition = false
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this.isclose = true
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this.autoClose && this.swipeaction.closeOther(this)
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},
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touchmove(e) {},
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touchend(e) {
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// 0的位置什么都不执行
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if (this.isclose && this.isopen === 'none') return
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if (this.isclose && this.isopen !== 'none') {
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this.transition = true
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this.close()
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} else {
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this.move(this.moveX + this.leftWidth)
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}
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},
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/**
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* 移动
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* @param {Object} moveX
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*/
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move(moveX) {
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// 打开关闭的处理逻辑不太一样
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this.transition = true
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// 未打开状态
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if (!this.isopen || this.isopen === 'none') {
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if (moveX > this.threshold) {
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this.open('left')
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} else if (moveX < -this.threshold) {
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this.open('right')
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} else {
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this.close()
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}
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} else {
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if (moveX < 0 && moveX < this.rightWidth) {
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const rightX = this.rightWidth + moveX
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if (rightX < this.threshold) {
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this.open('right')
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} else {
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this.close()
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}
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} else if (moveX > 0 && moveX < this.leftWidth) {
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const leftX = this.leftWidth - moveX
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if (leftX < this.threshold) {
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this.open('left')
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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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},
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/**
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* 打开
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*/
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open(type) {
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this.x = this.moveX
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this.animation(type)
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},
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/**
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* 关闭
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*/
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close() {
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this.x = this.moveX
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// TODO 解决 x 值不更新的问题，所以会多触发一次 nextTick ，待优化
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this.$nextTick(() => {
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this.x = -this.leftWidth
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if (this.isopen !== 'none') {
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this.$emit('change', 'none')
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}
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this.isopen = 'none'
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})
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},
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/**
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* 执行结束动画
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* @param {Object} type
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*/
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animation(type) {
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this.$nextTick(() => {
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if (type === 'left') {
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this.x = 0
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} else {
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this.x = -this.rightWidth - this.leftWidth
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}
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if (this.isopen !== type) {
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this.$emit('change', type)
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}
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this.isopen = type
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})
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},
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getSlide(x) {},
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getQuerySelect() {
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const query = uni.createSelectorQuery().in(this);
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query.selectAll('.movable-view--hock').boundingClientRect(data => {
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this.leftWidth = data[1].width
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this.rightWidth = data[2].width
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this.width = data[0].width
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this.viewWidth = this.width + this.rightWidth + this.leftWidth
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if (this.leftWidth === 0) {
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// TODO 疑似bug ,初始化的时候如果x 是0，会导致移动位置错误，所以让元素超出一点
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this.x = -0.1
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} else {
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this.x = -this.leftWidth
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}
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this.moveX = this.x
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this.$nextTick(() => {
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this.swipeShow = 1
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})
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if (!this.buttonWidth) {
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this.disabledView = true
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}
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if (this.autoClose) return
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if (this.show !== 'none') {
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this.transition = true
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this.open(this.shows)
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}
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}).exec();
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}
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}
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}
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