let otherMixins = {}
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// #ifndef APP-PLUS|| MP-WEIXIN || H5
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const MIN_DISTANCE = 10;
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otherMixins = {
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data() {
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// TODO 随机生生元素ID，解决百度小程序获取同一个元素位置信息的bug
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const elClass = `Uni_${Math.ceil(Math.random() * 10e5).toString(36)}`
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return {
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uniShow: false,
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left: 0,
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buttonShow: 'none',
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ani: false,
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moveLeft: '',
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elClass
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}
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},
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watch: {
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show(newVal) {
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if (this.autoClose) return
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this.openState(newVal)
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},
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left() {
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this.moveLeft = `translateX(${this.left}px)`
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},
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buttonShow(newVal) {
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if (this.autoClose) return
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this.openState(newVal)
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},
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leftOptions() {
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this.init()
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},
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rightOptions() {
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this.init()
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}
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},
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mounted() {
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this.swipeaction = this.getSwipeAction()
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if (this.swipeaction && Array.isArray(this.swipeaction.children)) {
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this.swipeaction.children.push(this)
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}
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this.init()
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},
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methods: {
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init() {
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clearTimeout(this.timer)
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this.timer = setTimeout(() => {
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this.getSelectorQuery()
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}, 100)
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// 移动距离
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this.left = 0
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this.x = 0
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},
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closeSwipe(e) {
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if (this.autoClose && this.swipeaction) {
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this.swipeaction.closeOther(this)
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}
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},
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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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touchstart(e) {
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if (this.disabled) return
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this.ani = false
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this.x = this.left || 0
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this.stopTouchStart(e)
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this.autoClose && this.closeSwipe()
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},
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touchmove(e) {
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if (this.disabled) return
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// 是否可以滑动页面
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this.stopTouchMove(e);
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if (this.direction !== 'horizontal') {
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return;
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}
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this.move(this.x + this.deltaX)
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return false
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},
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touchend() {
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if (this.disabled) return
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this.moveDirection(this.left)
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},
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/**
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* 设置移动距离
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* @param {Object} value
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*/
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move(value) {
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value = value || 0
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const leftWidth = this.leftWidth
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const rightWidth = this.rightWidth
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// 获取可滑动范围
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this.left = this.range(value, -rightWidth, leftWidth);
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},
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/**
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* 获取范围
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* @param {Object} num
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* @param {Object} min
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* @param {Object} max
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*/
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range(num, min, max) {
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return Math.min(Math.max(num, min), max);
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},
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/**
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* 移动方向判断
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* @param {Object} left
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* @param {Object} value
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*/
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moveDirection(left) {
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const threshold = this.threshold
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const isopen = this.isopen || 'none'
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const leftWidth = this.leftWidth
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const rightWidth = this.rightWidth
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if (this.deltaX === 0) {
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this.openState('none')
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return
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}
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if ((isopen === 'none' && rightWidth > 0 && -left > threshold) || (isopen !== 'none' && rightWidth >
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0 && rightWidth +
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left < threshold)) {
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// right
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this.openState('right')
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} else if ((isopen === 'none' && leftWidth > 0 && left > threshold) || (isopen !== 'none' && leftWidth >
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0 &&
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leftWidth - left < threshold)) {
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// left
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this.openState('left')
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} else {
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// default
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this.openState('none')
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}
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},
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/**
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* 开启状态
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* @param {Boolean} type
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*/
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openState(type) {
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const leftWidth = this.leftWidth
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const rightWidth = this.rightWidth
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let left = ''
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this.isopen = this.isopen ? this.isopen : 'none'
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switch (type) {
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case "left":
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left = leftWidth
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break
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case "right":
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left = -rightWidth
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break
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default:
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left = 0
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}
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if (this.isopen !== type) {
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this.throttle = true
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this.$emit('change', type)
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}
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this.isopen = type
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// 添加动画类
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this.ani = true
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this.$nextTick(() => {
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this.move(left)
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})
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// 设置最终移动位置,理论上只要进入到这个函数，肯定是要打开的
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},
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close() {
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this.openState('none')
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},
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getDirection(x, y) {
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if (x > y && x > MIN_DISTANCE) {
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return 'horizontal';
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}
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if (y > x && y > MIN_DISTANCE) {
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return 'vertical';
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}
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return '';
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},
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/**
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* 重置滑动状态
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* @param {Object} event
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*/
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resetTouchStatus() {
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this.direction = '';
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this.deltaX = 0;
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this.deltaY = 0;
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this.offsetX = 0;
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this.offsetY = 0;
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},
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/**
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* 设置滑动开始位置
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* @param {Object} event
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*/
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stopTouchStart(event) {
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this.resetTouchStatus();
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const touch = event.touches[0];
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this.startX = touch.clientX;
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this.startY = touch.clientY;
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},
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/**
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* 滑动中，是否禁止打开
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* @param {Object} event
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*/
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stopTouchMove(event) {
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const touch = event.touches[0];
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this.deltaX = touch.clientX - this.startX;
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this.deltaY = touch.clientY - this.startY;
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this.offsetX = Math.abs(this.deltaX);
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this.offsetY = Math.abs(this.deltaY);
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this.direction = this.direction || this.getDirection(this.offsetX, this.offsetY);
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},
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getSelectorQuery() {
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const views = uni.createSelectorQuery().in(this)
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views
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.selectAll('.' + this.elClass)
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.boundingClientRect(data => {
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if (data.length === 0) return
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let show = 'none'
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if (this.autoClose) {
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show = 'none'
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} else {
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show = this.show
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}
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this.leftWidth = data[0].width || 0
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this.rightWidth = data[1].width || 0
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this.buttonShow = show
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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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// #endif
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export default otherMixins
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