243 lines
8.3 KiB
XML
243 lines
8.3 KiB
XML
/* eslint-disable */
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var touchstart = function(event, ownerInstance) {
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var ins = event.instance
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var st = ins.getState()
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if (st.disable) return // disable的逻辑
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// console.log('touchstart st', JSON.stringify(st))
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if (!st.size) return
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// console.log('touchstart', JSON.stringify(event))
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st.isMoving = true
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st.startX = event.touches[0].pageX
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st.startY = event.touches[0].pageY
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st.firstAngle = 0
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}
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var touchmove = function(event, ownerInstance) {
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var ins = event.instance
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var st = ins.getState()
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if (!st.size || !st.isMoving) return
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// console.log('touchmove', JSON.stringify(event))
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var pagex = event.touches[0].pageX - st.startX
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var pagey = event.touches[0].pageY - st.startY
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// 左侧45度角为界限，大于45度则允许水平滑动
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if (st.firstAngle === 0) {
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st.firstAngle = Math.abs(pagex) - Math.abs(pagey)
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}
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if (st.firstAngle < 0) {
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return
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}
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var movex = pagex > 0 ? Math.min(st.max, pagex) : Math.max(-st.max, pagex)
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// 往回滑动的情况
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if (st.out) {
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// 已经是划出来了，还要往左滑动，忽略
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if (movex < 0) return
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ins.setStyle({
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'transform': 'translateX(' + (st.transformx + movex) + 'px)',
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'transition': ''
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})
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var btns = ownerInstance.selectAllComponents('.btn')
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var transformTotal = 0
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var len = btns.length
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var i = len - 1;
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for (;i >= 0; i--) {
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var transform = st.size.buttons[i].width / st.max * movex
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var transformx = st.size.buttons[i].max - Math.min(st.size.buttons[i].max, transform + transformTotal)
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btns[i].setStyle({
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'transform': 'translateX(' + (-transformx) + 'px)',
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'transition': ''
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})
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transformTotal += transform
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}
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return false
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}
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if (movex > 0) movex = 0
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ins.setStyle({
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'transform': 'translateX(' + movex + 'px)',
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'transition': ''
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})
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st.transformx = movex
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var btns = ownerInstance.selectAllComponents('.btn')
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var transformTotal = 0
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var len = btns.length
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var i = len - 1;
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for (;i >= 0; i--) {
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var transform = st.size.buttons[i].width / st.max * movex
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var transformx = Math.max(-st.size.buttons[i].max, transform + transformTotal)
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btns[i].setStyle({
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'transform': 'translateX(' + transformx + 'px)',
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'transition': ''
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})
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st.size.buttons[i].transformx = transformx
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transformTotal += transform
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}
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return false // 禁止垂直方向的滑动
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}
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var touchend = function(event, ownerInstance) {
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var ins = event.instance
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var st = ins.getState()
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if (!st.size || !st.isMoving) return
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// 左侧45度角为界限，大于45度则允许水平滑动
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if (st.firstAngle < 0) {
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return
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}
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var duration = st.duration / 1000
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st.isMoving = false
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// console.log('touchend', JSON.stringify(event))
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var btns = ownerInstance.selectAllComponents('.btn')
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var len = btns.length
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var i = len - 1
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// console.log('len size', len)
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if (Math.abs(event.changedTouches[0].pageX - st.startX) < st.throttle || event.changedTouches[0].pageX - st.startX > 0) { // 方向也要控制
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st.out = false
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ins.setStyle({
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'transform': 'translate3d(0px, 0, 0)',
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'transition': 'transform ' + (duration) + 's'
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})
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for (;i >= 0; i--) {
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btns[i].setStyle({
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'transform': 'translate3d(0px, 0, 0)',
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'transition': 'transform ' + (duration) + 's'
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})
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}
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ownerInstance.callMethod('hide')
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return
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}
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showButtons(ins, ownerInstance, duration)
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ownerInstance.callMethod('show')
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}
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var REBOUNCE_TIME = 0.2
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var showButtons = function(ins, ownerInstance, withDuration) {
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var st = ins.getState()
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if (!st.size) return
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var rebounceTime = st.rebounce ? REBOUNCE_TIME : 0
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var movex = st.max
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st.out = true
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var btns = ownerInstance.selectAllComponents('.btn')
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var rebounce = st.rebounce || 0
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var len = btns.length
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var i = len - 1
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ins.setStyle({
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'transform': 'translate3d(' + (-movex - rebounce) + 'px, 0, 0)',
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'transition': 'transform ' + (withDuration) + 's'
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})
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st.transformx = -movex
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var transformTotal = 0
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for (;i >= 0; i--) {
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var transform = st.size.buttons[i].width / st.max * movex
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var transformx = (-(transform + transformTotal))
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btns[i].setStyle({
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'transform': 'translate3d(' + transformx + 'px, 0, 0)',
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'transition': 'transform ' + (withDuration ? withDuration + rebounceTime : withDuration) + 's'
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})
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st.size.buttons[i].transformx = transformx
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transformTotal += transform
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}
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}
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var innerHideButton = function(ownerInstance) {
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var ins = ownerInstance.selectComponent('.left')
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var st = ins.getState()
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if (!st.size) return
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var duration = st.duration ? st.duration / 1000 : 0
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var btns = ownerInstance.selectAllComponents('.btn')
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var len = btns.length
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var i = len - 1
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ins.setStyle({
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'transform': 'translate3d(0px, 0, 0)',
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'transition': 'transform ' + (duration) + 's'
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})
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st.transformx = 0
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for (;i >= 0; i--) {
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btns[i].setStyle({
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'transform': 'translate3d(0px, 0, 0)',
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'transition': 'transform ' + (duration) + 's'
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})
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st.size.buttons[i].transformx = 0
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}
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}
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var hideButton = function(event, ownerInstance) {
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innerHideButton(ownerInstance)
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ownerInstance.callMethod('buttonTapByWxs', {index: event.currentTarget.dataset.index, data: event.currentTarget.dataset.data})
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return false
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}
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var sizeReady = function(newVal, oldVal, ownerInstance, ins) {
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var st = ins.getState()
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// st.disable = newVal && newVal.disable
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if (newVal && newVal.button && newVal.buttons) {
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st.size = newVal
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st.transformx = 0
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// var min = newVal.button.width
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var max = 0
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var len = newVal.buttons.length
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var i = newVal.buttons.length - 1;
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var total = 0
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for (; i >= 0; i--) {
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max += newVal.buttons[i].width
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// if (min > newVal.buttons[i]) {
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// min = newVal.buttons[i].width
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// }
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total += newVal.buttons[i].width
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newVal.buttons[i].max = total
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newVal.buttons[i].transformx = 0
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}
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st.throttle = st.size.throttle || 40 // 固定值
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st.rebounce = st.size.rebounce
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st.max = max
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ownerInstance.selectComponent('.right').setStyle({
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'line-height': newVal.button.height + 'px',
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left: (newVal.button.width) + 'px',
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width: max + 'px'
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})
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// console.log('st size', JSON.stringify(newVal))
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if (!st.size.disable && st.size.show) {
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showButtons(ins, ownerInstance)
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}
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}
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}
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var disableChange = function(newVal, oldVal, ownerInstance, ins) {
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var st = ins.getState()
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st.disable = newVal
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}
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var durationChange = function(newVal, oldVal, ownerInstance, ins) {
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var st = ins.getState()
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st.duration = newVal || 400
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}
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var showChange = function(newVal, oldVal, ownerInstance, ins) {
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var st = ins.getState()
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st.show = newVal
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if (st.disable) return
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// console.log('show change')
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if (st.show) {
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showButtons(ins, ownerInstance, st.duration)
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} else {
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innerHideButton(ownerInstance)
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}
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}
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var rebounceChange = function(newVal, oldVal, ownerInstance, ins) {
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var st = ins.getState()
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// console.log('rebounce', st.rebounce)
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st.rebounce = newVal
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}
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var transitionEnd = function(event, ownerInstance) {
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// console.log('transition')
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var ins = event.instance
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var st = ins.getState()
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// 回弹效果
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if (st.out && st.rebounce) {
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console.log('transition rebounce', st.rebounce)
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ins.setStyle({
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'transform': 'translate3d(' + (-st.max) + 'px, 0, 0)',
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'transition': 'transform ' + REBOUNCE_TIME +'s'
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})
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}
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}
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module.exports = {
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touchstart: touchstart,
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touchmove: touchmove,
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touchend: touchend,
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hideButton: hideButton,
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sizeReady: sizeReady,
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disableChange: disableChange,
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durationChange: durationChange,
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showChange: showChange,
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rebounceChange: rebounceChange,
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transitionEnd: transitionEnd
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} |