46b6767c
 刘淇
init 提交到库
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var touchstart = function(event, ownerInstance) {
var ins = event.instance
var st = ins.getState()
if (st.disable) return // disable的逻辑
if (!st.size) return
var touches = event.touches
if (touches && touches.length > 1) return
st.isMoving = true
touches = event.touches ? event.touches[0] : {};
if (!touches || (touches.pageX === undefined && touches.pageY === undefined)) {
touches = {
pageX: event.pageX,
pageY: event.pageY
};
}
st.startX = touches.pageX
st.startY = touches.pageY
st.firstAngle = 0
}
var touchmove = function(event, ownerInstance) {
var ins = event.instance
var st = ins.getState()
if (!st.size || !st.isMoving) return
// console.log('touchmove', JSON.stringify(event))
var touches = event.touches ? event.touches[0] : {};
if (!touches || (touches.pageX === undefined && touches.pageY === undefined)) {
touches = {
pageX: event.pageX,
pageY: event.pageY
};
}
var pagex = touches.pageX - st.startX
var pagey = touches.pageY - st.startY
// 左侧45度角为界限，大于45度则允许水平滑动
if (st.firstAngle === 0) {
st.firstAngle = Math.abs(pagex) - Math.abs(pagey)
}
if (st.firstAngle < 0) {
return
}
var movex = pagex > 0 ? Math.min(st.max, pagex) : Math.max(-st.max, pagex)
// 往回滑动的情况
if (st.out) {
// 已经是划出来了，还要往左滑动，忽略
if (movex < 0) return
ins.setStyle({
'transition': '',
'transform': 'translateX(' + (st.transformx + movex) + 'px)'
})
var btns = ownerInstance.selectAllComponents('.tui_wxs_btn')
var transformTotal = 0
var len = btns.length
var i = len - 1;
for (; i >= 0; i--) {
var transform = st.size.buttons[i].width / st.max * movex
var transformx = st.size.buttons[i].max - Math.min(st.size.buttons[i].max, transform + transformTotal)
btns[i].setStyle({
'transition': '',
'transform': 'translateX(' + (-transformx) + 'px)'
})
transformTotal += transform
}
return false
}
if (movex > 0) movex = 0
ins.setStyle({
'transition': '',
'transform': 'translateX(' + movex + 'px)'
})
st.transformx = movex
var btns = ownerInstance.selectAllComponents('.tui_wxs_btn')
var transformTotal = 0
var len = btns.length
var i = len - 1;
for (; i >= 0; i--) {
var transform = st.size.buttons[i].width / st.max * movex
var transformx = Math.max(-st.size.buttons[i].max, transform + transformTotal)
btns[i].setStyle({
'transition': '',
'transform': 'translateX(' + transformx + 'px)'
})
st.size.buttons[i].transformx = transformx
transformTotal += transform
}
return false // 禁止垂直方向的滑动
}
var touchend = function(event, ownerInstance) {
var ins = event.instance
var st = ins.getState()
if (!st.size || !st.isMoving) return
// 左侧45度角为界限，大于45度则允许水平滑动
if (st.firstAngle < 0) {
return
}
var duration = st.duration / 1000
st.isMoving = false
// console.log('touchend', JSON.stringify(event))
var btns = ownerInstance.selectAllComponents('.tui_wxs_btn')
var len = btns.length
var i = len - 1
// console.log('len size', len)
var touches = event.changedTouches ? event.changedTouches[0] : {};
if (!touches || (touches.pageX === undefined && touches.pageY === undefined)) {
touches = {
pageX: event.pageX,
pageY: event.pageY
};
}
if (Math.abs(touches.pageX - st.startX) < st.throttle || touches.pageX - st.startX >
0) { // 方向也要控制
st.out = false
ins.setStyle({
'transition': 'transform ' + (duration) + 's',
'transform': 'translate3d(0px, 0, 0)'
})
for (; i >= 0; i--) {
btns[i].setStyle({
'transition': 'transform ' + (duration) + 's',
'transform': 'translate3d(0px, 0, 0)'
})
}
ownerInstance.callMethod('hideButton')
return
}
showButtons(ins, ownerInstance, duration)
ownerInstance.callMethod('showButton')
}
var REBOUNCE_TIME = 0.2
var showButtons = function(ins, ownerInstance, withDuration) {
if (!ins || !ins.getState) return;
if (withDuration > 100) {
withDuration = withDuration / 1000
}
var st = ins.getState()
if (!st.size) return
var rebounceTime = st.rebounce ? REBOUNCE_TIME : 0
var movex = st.max
st.out = true
var btns = ownerInstance.selectAllComponents('.tui_wxs_btn') || []
var rebounce = st.rebounce || 0
var len = btns.length
var i = len - 1
ins.setStyle({
'transition': 'transform ' + (withDuration) + 's',
'transform': 'translate3d(' + (-movex - rebounce) + 'px, 0, 0)'
})
st.transformx = -movex
var transformTotal = 0
if (!btns || btns.length === 0) return;
for (; i >= 0; i--) {
var transform = st.size.buttons[i].width / st.max * movex
var transformx = (-(transform + transformTotal))
btns[i].setStyle({
'transition': 'transform ' + (withDuration ? withDuration + rebounceTime : withDuration) + 's',
'transform': 'translate3d(' + transformx + 'px, 0, 0)'
})
st.size.buttons[i].transformx = transformx
transformTotal += transform
}
}
var innerHideButton = function(ownerInstance) {
var ins = ownerInstance.selectComponent('.tui_wxs_left')
if (!ins) return;
var st = ins.getState()
if (!st.size) return
var duration = st.duration ? st.duration / 1000 : 0
var btns = ownerInstance.selectAllComponents('.tui_wxs_btn')
var len = btns.length
var i = len - 1
ins.setStyle({
'transition': 'transform ' + (duration) + 's',
'transform': 'translate3d(0px, 0, 0)'
})
st.transformx = 0
for (; i >= 0; i--) {
btns[i].setStyle({
'transition': 'transform ' + (duration) + 's',
'transform': 'translate3d(0px, 0, 0)'
})
st.size.buttons[i].transformx = 0
}
st.out = false
}
var hideButton = function(event, ownerInstance) {
var dataset = event.currentTarget.dataset;
if (dataset.isclose == 1) {
innerHideButton(ownerInstance)
}
ownerInstance.callMethod('buttonTapByWxs', {
index: dataset.index,
data: dataset.data
})
return false
}
var sizeReady = function(newVal, oldVal, ownerInstance, ins) {
var st = ins.getState()
// console.log(newVal)
st.disable = newVal && newVal.disable
st.duration = newVal && newVal.duration
if (newVal && newVal.button && newVal.buttons) {
st.size = newVal
st.transformx = 0
// var min = newVal.button.width
var max = 0
var len = newVal.buttons.length
var i = newVal.buttons.length - 1;
var total = 0
for (; i >= 0; i--) {
max += newVal.buttons[i].width
// if (min > newVal.buttons[i]) {
// min = newVal.buttons[i].width
// }
total += newVal.buttons[i].width
newVal.buttons[i].max = total
newVal.buttons[i].transformx = 0
}
st.throttle = st.size.throttle || 40 // 固定值
st.rebounce = st.size.rebounce
st.max = max
var twr = ownerInstance.selectComponent('.tui_wxs_right')
if (twr) {
twr.setStyle({
'line-height': newVal.button.height + 'px',
left: (newVal.button.width) + 'px',
width: max + 'px'
})
}
// console.log('st size', JSON.stringify(newVal))
if (!st.size.disable && st.size.show) {
showButtons(ins, ownerInstance)
}
}
}
var disableChange = function(newVal, oldVal, ownerInstance, ins) {
if (!ins || !ins.getState) return;
var st = ins.getState()
st.disable = newVal
}
var durationChange = function(newVal, oldVal, ownerInstance, ins) {
if (!ins || !ins.getState) return;
var st = ins.getState()
st.duration = newVal || 350
}
var showChange = function(newVal, oldVal, ownerInstance, ins) {
if (!ins || !ins.getState) return;
var st = ins.getState()
st.show = newVal
if (st.disable) return
if (st.show) {
showButtons(ins, ownerInstance, st.duration)
} else {
innerHideButton(ownerInstance)
}
}
var rebounceChange = function(newVal, oldVal, ownerInstance, ins) {
if (!ins || !ins.getState) return;
var st = ins.getState()
// console.log('rebounce', st.rebounce)
st.rebounce = newVal
}
var transitionEnd = function(event, ownerInstance) {
// console.log('transition')
var ins = event.instance
var st = ins.getState()
// 回弹效果
if (st.out && st.rebounce) {
// console.log('transition rebounce', st.rebounce)
ins.setStyle({
'transition': 'transform ' + REBOUNCE_TIME + 's',
'transform': 'translate3d(' + (-st.max) + 'px, 0, 0)'
})
}
}
module.exports = {
touchstart: touchstart,
touchmove: touchmove,
touchend: touchend,
hideButton: hideButton,
sizeReady: sizeReady,
disableChange: disableChange,
durationChange: durationChange,
showChange: showChange,
rebounceChange: rebounceChange,
transitionEnd: transitionEnd
}
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