|
function setTimeout(instance, cb, time) {
|
if (time > 0) {
|
var s = getDate().getTime()
|
var fn = function () {
|
if (getDate().getTime() - s > time) {
|
cb && cb()
|
} else
|
instance.requestAnimationFrame(fn)
|
}
|
fn()
|
}
|
else
|
cb && cb()
|
}
|
|
// 判断触摸的移动方向
|
function decideSwiperDirection(startTouches, currentTouches, direction) {
|
// 震动偏移容差
|
var toleranceShake = 30
|
// 移动容差
|
var toleranceTranslate = 10
|
|
if (direction === 'horizontal') {
|
// 水平方向移动
|
if (Math.abs(currentTouches.y - startTouches.y) <= toleranceShake) {
|
// console.log(currentTouches.x, startTouches.x);
|
if (Math.abs(currentTouches.x - startTouches.x) > toleranceTranslate) {
|
if (currentTouches.x - startTouches.x > 0) {
|
return 'right'
|
} else if (currentTouches.x - startTouches.x < 0) {
|
return 'left'
|
}
|
}
|
}
|
} else if (direction === 'vertical') {
|
// 垂直方向移动
|
if (Math.abs(currentTouches.x - startTouches.x) <= toleranceShake) {
|
// console.log(currentTouches.x, startTouches.x);
|
if (Math.abs(currentTouches.y - startTouches.y) > toleranceTranslate) {
|
if (currentTouches.y - startTouches.y > 0) {
|
return 'down'
|
} else if (currentTouches.y - startTouches.y < 0) {
|
return 'up'
|
}
|
}
|
}
|
}
|
return ''
|
}
|
|
// 更新轮播样式信息
|
function updateSwiperStyle(currentTouches, instance, state) {
|
var itemData = state.itemData
|
var itemsInstance = state.itemsInstance
|
var list = state.list
|
var currentIndex = state.currentIndex
|
var touchRelactive = state.touchRelactive
|
// console.log(itemAnimationWidth);
|
|
if (itemData.direction === 'horizontal') {
|
// 水平方向
|
var itemAnimationWidth = state.itemAnimationWidth
|
// 偏移的x轴距离
|
var translateX = currentTouches.x - touchRelactive.x
|
if (currentTouches.x > itemData.windowWidth || currentTouches.x < 0) return
|
// console.log(translateX);
|
// 更新其他轮播样式
|
if (state.direction == 'left') {
|
// 设置当前激活元素的偏移量
|
instance.setStyle({
|
'transform': 'translate3d('+ translateX + 'px, 0px, 0px)',
|
'z-index': list[currentIndex].zIndex + 1,
|
'opacity': list[currentIndex].opacity
|
})
|
// 移动距离是否超过了指定的容器宽度
|
if (Math.abs(translateX) > itemAnimationWidth) {
|
state.itemsInstance.forEach( function(itemInstance, index) {
|
if (index != currentIndex) {
|
var preIndex = (index == 0) ? list.length - 1 : index - 1
|
var distanceRate = (Math.abs(translateX) - itemAnimationWidth) / (itemData.itemWidth - itemAnimationWidth)
|
var itemTranslateX = list[index].translateX - (list[index].translateX - list[preIndex].translateX) * distanceRate
|
var itemScale = list[index].scale + (list[preIndex].scale - list[index].scale) * distanceRate
|
var itemOpacity = list[index].opacity + (list[preIndex].opacity - list[index].opacity) * distanceRate
|
// console.log(preIndex);
|
// console.log(list[index]);
|
// console.log(distanceRate);
|
// console.log(itemTranslateX);
|
// console.log(itemScale);
|
// console.log(itemOpacity);
|
// console.log('-----------------------------------------------------------');
|
itemInstance.setStyle({
|
'transform': 'translate3d(' + itemTranslateX + 'px, 0px, 0px) scale(' + itemScale + ')',
|
'z-index': list[index].zIndex,
|
'opacity': itemOpacity
|
})
|
}
|
})
|
}
|
} else if (state.direction == 'right') {
|
var preIndex = (currentIndex == 0) ? list.length - 1 : currentIndex - 1
|
// 右滑的时候把最底部的取出，并放到最高层级
|
state.itemsInstance[preIndex].setStyle({
|
'transform': 'translate3d(-' + (itemData.itemWidth - translateX) + 'px, 0px, 0px) scale(1)',
|
'z-index': list[currentIndex].zIndex + 1,
|
'opacity': list[currentIndex].opacity
|
})
|
// 当前轮播逐渐缩小
|
if (Math.abs(translateX) < itemAnimationWidth) {
|
state.itemsInstance.forEach( function(itemInstance, index) {
|
if (index != preIndex) {
|
var replaceIndex = index == list.length - 1 ? 0 : index + 1
|
var distanceRate = Math.abs(translateX) / itemAnimationWidth
|
var itemTranslateX = list[index].translateX + (list[replaceIndex].translateX - list[index].translateX) * distanceRate
|
var itemScale = list[index].scale - (list[index].scale - list[replaceIndex].scale) * distanceRate
|
var itemOpacity = list[index].opacity - (list[index].opacity - list[replaceIndex].opacity) * distanceRate
|
// console.log(preIndex);
|
// console.log(index);
|
// console.log(replaceIndex);
|
// console.log(list[index]);
|
// console.log(list[replaceIndex].translateX - list[index].translateX);
|
// console.log(distanceRate);
|
// console.log(itemTranslateX);
|
// console.log(itemScale);
|
// console.log('-----------------------------------------------------------');
|
itemInstance.setStyle({
|
'transform': 'translate3d(' + itemTranslateX + 'px, 0px, 0px) scale(' + itemScale + ')',
|
'z-index': list[index].zIndex,
|
'opacity': itemOpacity
|
})
|
}
|
})
|
}
|
}
|
} else if (itemData.direction === 'vertical') {
|
// 垂直方向
|
var itemAnimationHeight = state.itemAnimationHeight
|
// 偏移的y轴距离
|
var translateY = currentTouches.y - touchRelactive.y
|
if (currentTouches.y > itemData.windowHeight || currentTouches.y < 0) return
|
// console.log(translateX);
|
// 更新其他轮播样式
|
if (state.direction == 'up') {
|
// 设置当前激活元素的偏移量
|
instance.setStyle({
|
'transform': 'translate3d(0px, '+ translateY + 'px, 0px)',
|
'z-index': list[currentIndex].zIndex + 1,
|
'opacity': list[currentIndex].opacity
|
})
|
// 移动距离是否超过了指定的容器宽度
|
if (Math.abs(translateY) > itemAnimationHeight) {
|
state.itemsInstance.forEach( function(itemInstance, index) {
|
if (index != currentIndex) {
|
var preIndex = (index == 0) ? list.length - 1 : index - 1
|
var distanceRate = (Math.abs(translateY) - itemAnimationHeight) / (itemData.itemHeight - itemAnimationHeight)
|
var itemTranslateY = list[index].translateY - (list[index].translateY - list[preIndex].translateY) * distanceRate
|
var itemScale = list[index].scale + (list[preIndex].scale - list[index].scale) * distanceRate
|
var itemOpacity = list[index].opacity + (list[preIndex].opacity - list[index].opacity) * distanceRate
|
// console.log(preIndex);
|
// console.log(list[index]);
|
// console.log(distanceRate);
|
// console.log(itemTranslateX);
|
// console.log(itemScale);
|
// console.log('-----------------------------------------------------------');
|
itemInstance.setStyle({
|
'transform': 'translate3d(0px, ' + itemTranslateY + 'px, 0px) scale(' + itemScale + ')',
|
'z-index': list[index].zIndex,
|
'opacity': itemOpacity
|
|
})
|
}
|
})
|
}
|
} else if (state.direction == 'down') {
|
var preIndex = (currentIndex == 0) ? list.length - 1 : currentIndex - 1
|
// 下滑的时候把最底部的取出，并放到最高层级
|
state.itemsInstance[preIndex].setStyle({
|
'transform': 'translate3d(0px, -' + (itemData.itemHeight - translateY) + 'px, 0px) scale(1)',
|
'z-index': list[currentIndex].zIndex + 1,
|
'opacity': list[currentIndex].opacity
|
})
|
// 当前轮播逐渐缩小
|
if (Math.abs(translateY) < itemAnimationHeight) {
|
state.itemsInstance.forEach( function(itemInstance, index) {
|
if (index != preIndex) {
|
var replaceIndex = index == list.length - 1 ? 0 : index + 1
|
var distanceRate = Math.abs(translateY) / itemAnimationHeight
|
var itemTranslateY = list[index].translateY + (list[replaceIndex].translateY - list[index].translateY) * distanceRate
|
var itemScale = list[index].scale - (list[index].scale - list[replaceIndex].scale) * distanceRate
|
var itemOpacity = list[index].opacity - (list[index].opacity - list[replaceIndex].opacity) * distanceRate
|
// console.log(preIndex);
|
// console.log(index);
|
// console.log(replaceIndex);
|
// console.log(list[index]);
|
// console.log(list[replaceIndex].translateX - list[index].translateX);
|
// console.log(distanceRate);
|
// console.log(itemTranslateX);
|
// console.log(itemScale);
|
// console.log('-----------------------------------------------------------');
|
itemInstance.setStyle({
|
'transform': 'translate3d(0px, ' + itemTranslateY + 'px, 0px) scale(' + itemScale + ')',
|
'z-index': list[index].zIndex,
|
'opacity': itemOpacity
|
})
|
}
|
})
|
}
|
}
|
}
|
}
|
|
// 更新当前轮播序号
|
function updateCurrentSwiperIndex(index, ownerInstance, state) {
|
state.currentIndex = index
|
ownerInstance.callMethod('changeSwiperIndex', {
|
index: index
|
})
|
}
|
|
// 切换到下一个轮播
|
function switchNextSwiper(newIndex, touches, instance, state) {
|
var currentIndex = state.currentIndex
|
var list = state.list
|
var direction = state.itemData.direction
|
var touchRelactive = state.touchRelactive || {x: 0, y: 0}
|
|
// 已经完成轮播切换
|
var currentListItemData = JSON.parse(JSON.stringify(list))
|
|
if (direction === 'horizontal') {
|
// 水平方向移动
|
var itemWidth = state.itemData.itemWidth
|
// 当前轮播移动到最左边
|
instance.setStyle({
|
'transform': 'translate3d(-'+ itemWidth + 'px, 0px, 0px) scale(1)',
|
'z-index': list[currentIndex].zIndex + 1,
|
'opacity': list[currentIndex].opacity
|
})
|
// 计算当前移动需要的剩余时间
|
var time = Math.floor((itemWidth - Math.abs(touches.pageX - touchRelactive.x)) / itemWidth * 250)
|
|
setTimeout(instance, function() {
|
for (var i = list.length - 1; i >= 0; i--) {
|
var replaceIndex = i - 1 < 0 ? list.length - 1 : i - 1
|
// console.log(i);
|
// console.log(replaceIndex);
|
state.itemsInstance[i].setStyle({
|
'transform': 'translate3d('+ currentListItemData[replaceIndex].translateX + 'px, 0px, 0px) scale(' + currentListItemData[replaceIndex].scale + ')',
|
'z-index': currentListItemData[replaceIndex].zIndex,
|
'opacity': currentListItemData[replaceIndex].opacity
|
})
|
state.list[i] = currentListItemData[replaceIndex]
|
}
|
}, time)
|
} else if (direction === 'vertical') {
|
// 垂直方向移动
|
var itemHeight = state.itemData.itemHeight
|
// 当前轮播移动到最上边
|
instance.setStyle({
|
'transform': 'translate3d(0px, -'+ itemHeight + 'px, 0px) scale(1)',
|
'z-index': list[currentIndex].zIndex + 1,
|
'opacity': list[currentIndex].opacity
|
})
|
// 计算当前移动需要的剩余时间
|
var time = Math.floor((itemHeight - Math.abs(touches.pageY - touchRelactive.y)) / itemHeight * 250)
|
|
setTimeout(instance, function() {
|
for (var i = list.length - 1; i >= 0; i--) {
|
var replaceIndex = i - 1 < 0 ? list.length - 1 : i - 1
|
// console.log(i);
|
// console.log(replaceIndex);
|
state.itemsInstance[i].setStyle({
|
'transform': 'translate3d(0px, '+ currentListItemData[replaceIndex].translateY + 'px, 0px) scale(' + currentListItemData[replaceIndex].scale + ')',
|
'z-index': currentListItemData[replaceIndex].zIndex,
|
'opacity': currentListItemData[replaceIndex].opacity
|
})
|
state.list[i] = currentListItemData[replaceIndex]
|
}
|
}, time)
|
}
|
}
|
|
// 切换到上一个轮播
|
function switchPrevSwiper(newIndex, touches, instance, state) {
|
var currentIndex = state.currentIndex
|
var list = state.list
|
var direction = state.itemData.direction
|
var touchRelactive = state.touchRelactive || {x: 0, y: 0}
|
|
var currentListItemData = JSON.parse(JSON.stringify(list))
|
|
if (direction === 'horizontal') {
|
// 水平方向移动
|
var itemWidth = state.itemData.itemWidth
|
// 当前上一个轮播移动到正常位置
|
state.itemsInstance[newIndex].setStyle({
|
'transform': 'translate3d(0px, 0px, 0px) scale(1)',
|
'z-index': list[currentIndex].zIndex + 1,
|
'opacity': list[currentIndex].opacity
|
})
|
// 计算当前移动需要的剩余时间
|
var time = Math.floor((itemWidth - Math.abs(touches.pageX - touchRelactive.x)) / itemWidth * 250)
|
// 更新除当前上一个轮播外的其他轮播，向后移动一个层级
|
// 更新列表位置相关数据
|
setTimeout(instance, function() {
|
for (var i = 0; i < list.length; i++) {
|
var replaceIndex = (i + 1 > list.length - 1) ? 0 : i + 1
|
state.itemsInstance[i].setStyle({
|
'transform': 'translate3d('+ currentListItemData[replaceIndex].translateX + 'px, 0px, 0px) scale(' + currentListItemData[replaceIndex].scale + ')',
|
'z-index': currentListItemData[replaceIndex].zIndex,
|
'opacity': currentListItemData[replaceIndex].opacity
|
})
|
state.list[i] = currentListItemData[replaceIndex]
|
}
|
}, time)
|
} else if (direction === 'vertical') {
|
// 垂直方向移动
|
var itemHeight = state.itemData.itemHeight
|
// 当前上一个轮播移动到正常位置
|
state.itemsInstance[newIndex].setStyle({
|
'transform': 'translate3d(0px, 0px, 0px) scale(1)',
|
'z-index': list[currentIndex].zIndex + 1,
|
'opacity': list[currentIndex].opacity
|
})
|
// 计算当前移动需要的剩余时间
|
var time = Math.floor((itemHeight - Math.abs(touches.pageY - touchRelactive.y)) / itemHeight * 250)
|
// 更新除当前上一个轮播外的其他轮播，向后移动一个层级
|
// 更新列表位置相关数据
|
setTimeout(instance, function() {
|
for (var i = 0; i < list.length; i++) {
|
var replaceIndex = (i + 1 > list.length - 1) ? 0 : i + 1
|
state.itemsInstance[i].setStyle({
|
'transform': 'translate3d(0px, '+ currentListItemData[replaceIndex].translateY + 'px, 0px) scale(' + currentListItemData[replaceIndex].scale + ')',
|
'z-index': currentListItemData[replaceIndex].zIndex,
|
'opacity': currentListItemData[replaceIndex].opacity
|
})
|
state.list[i] = currentListItemData[replaceIndex]
|
}
|
}, time)
|
}
|
}
|
|
// 反转动画
|
function toggleSwiperAnimation(state, add) {
|
if (!state.itemsInstance) return
|
if (add === true) {
|
state.itemsInstance.forEach(function(item, index) {
|
if (!item.hasClass('tn-stack-swiper__item__transition')) {
|
item.addClass('tn-stack-swiper__item__transition')
|
}
|
})
|
} else {
|
state.itemsInstance.forEach(function(item, index) {
|
if (item.hasClass('tn-stack-swiper__item__transition')) {
|
item.removeClass('tn-stack-swiper__item__transition')
|
}
|
})
|
}
|
}
|
|
// 更新数据
|
var itemDataObserver = function (newVal, oldVal, ownerInstance, instance) {
|
var state = ownerInstance.getState()
|
state.itemData = newVal
|
}
|
|
// 列表初始化
|
var listObserver = function(newVal, oldVal, ownerInstance, instance) {
|
var state = ownerInstance.getState()
|
var itemData = state.itemData
|
state.itemsInstance = ownerInstance.selectAllComponents('.tn-stack-swiper__item')
|
|
state.list = newVal || []
|
|
state.list.forEach(function(item, index) {
|
var itemInstance = state.itemsInstance[index]
|
if (item && itemInstance) {
|
if (itemData.direction === 'horizontal') {
|
itemInstance.setStyle({
|
'transform': 'translate3d('+ item.translateX + 'px, 0px, 0px) scale(' + item.scale + ')',
|
'z-index': item.zIndex,
|
'opacity': item.opacity
|
})
|
} else if (itemData.direction === 'vertical') {
|
itemInstance.setStyle({
|
'transform': 'translate3d(0px, '+ item.translateY + 'px, 0px) scale(' + item.scale + ')',
|
'z-index': item.zIndex,
|
'opacity': item.opacity
|
})
|
}
|
}
|
})
|
}
|
|
// 切换轮播位置
|
var swiperIndexChange = function(newVal, oldVal, ownerInstance, instance) {
|
var state = ownerInstance.getState()
|
// console.log(newVal);
|
// ownerInstance.callMethod('printLog', newVal)
|
// console.log(oldVal);
|
// ownerInstance.callMethod('printLog', oldVal)
|
// 排除第一次初始化和手动切换的情况
|
if (oldVal < 0 || typeof oldVal == 'undefined' || state.currentIndex == newVal) {
|
if (oldVal < 0 || typeof oldVal == 'undefined') {
|
state.currentIndex = 0
|
}
|
return
|
}
|
state.currentIndex = newVal
|
// console.log(state.currentIndex);
|
if (newVal > oldVal || (oldVal == state.list.length - 1 && newVal == 0)) {
|
// console.log("next");
|
// state.itemsInstance.forEach(function(item, index) {
|
// item.addClass("tn-stack-swiper__item__transition")
|
// })
|
switchNextSwiper(newVal, {
|
pageX: 0
|
}, state.itemsInstance[oldVal], state)
|
} else if (newVal < oldVal || (oldVal == 0 && newVal == state.list.length - 1)) {
|
// console.log("prev");
|
}
|
}
|
|
// 自动轮播切换状态
|
var autoplayFlagChange = function(newVal, oldVal, ownerInstance, instance) {
|
var state = ownerInstance.getState()
|
|
if (newVal === true) {
|
toggleSwiperAnimation(state, true)
|
} else {
|
toggleSwiperAnimation(state, false)
|
}
|
}
|
|
// 开始触摸
|
var touchStart = function (event, ownerInstance) {
|
// console.log('touchStart');
|
var instance = event.instance
|
var dataset = instance.getDataset()
|
var state = ownerInstance.getState()
|
|
var itemData = state.itemData
|
|
// 判断是否为为当前显示的轮播
|
if (dataset.index != state.currentIndex) return
|
|
var touches = event.changedTouches[0]
|
if (!touches) return
|
|
// 记录当前滑动开始的x，y坐标
|
state.touchRelactive = {
|
x: touches.pageX,
|
y: touches.pageY
|
}
|
// 记录触摸id，用于处理多指的情况
|
state.touchId = touches.identifier
|
|
if (itemData.direction === 'horizontal') {
|
// 水平方向移动
|
// 设置左右滑动时相对偏移距离
|
state.itemAnimationWidth = itemData.itemWidth * (dataset.switchrate / 100)
|
} else if (itemData.direction === 'vertical') {
|
// 垂直方向移动
|
// 设置上下滑动时相对偏移距离
|
state.itemAnimationHeight = itemData.itemHeight * (dataset.switchrate / 100)
|
}
|
|
// 移除运动动画时间
|
toggleSwiperAnimation(state, false)
|
|
// 标记开始触摸
|
state.touching = true
|
ownerInstance.callMethod('changeTouchState', {
|
touching: true
|
})
|
// 停止执行自动轮播
|
ownerInstance.callMethod('clearAutoPlayTimer')
|
}
|
|
// 开始移动
|
var touchMove = function (event, ownerInstance) {
|
// console.log('touchMove');
|
var instance = event.instance
|
var dataset = instance.getDataset()
|
var state = ownerInstance.getState()
|
var itemData = state.itemData
|
|
// 判断是否为为当前显示的轮播
|
if (dataset.index != state.currentIndex) return
|
|
// 还没开始触摸直接返回
|
if (!state.touching) return
|
|
var touches = event.changedTouches[0]
|
if (!touches) return
|
|
// 判断是否为同一个触摸点
|
if (state.touchId != touches.identifier) return
|
|
var currentTouchRelactive = {
|
x: touches.pageX,
|
y: touches.pageY
|
}
|
// 是否已经确定了移动方向
|
if (!state.direction) {
|
state.direction = decideSwiperDirection(state.touchRelactive, currentTouchRelactive, itemData.direction)
|
}
|
// console.log(decideSwiperDirection(state.touchRelactive, currentTouchRelactive));
|
updateSwiperStyle(currentTouchRelactive, instance, state)
|
}
|
|
// 移动结束
|
var touchEnd = function (event, ownerInstance) {
|
// console.log('touchEnd');
|
var instance = event.instance
|
var dataset = instance.getDataset()
|
var state = ownerInstance.getState()
|
var itemData = state.itemData
|
var list = state.list
|
var touchRelactive = state.touchRelactive
|
|
// 判断是否为为当前显示的轮播
|
if (dataset.index != state.currentIndex) return
|
|
// 还没开始触摸直接返回
|
if (!state.touching) return
|
|
var touches = event.changedTouches[0]
|
if (!touches) return
|
|
// 判断是否为同一个触摸点
|
if (state.touchId != touches.identifier) return
|
|
// 添加运动动画时间
|
toggleSwiperAnimation(state, true)
|
|
if (itemData.direction === 'horizontal') {
|
// 水平方向移动
|
var itemAnimationWidth = state.itemAnimationWidth
|
// 判断时左滑还是右滑
|
// 判断是否超过自动滚动到下一页还是回滚
|
if (state.direction == 'left') {
|
if (Math.abs(touches.pageX - touchRelactive.x) < itemAnimationWidth) {
|
list.forEach(function(item, index) {
|
var itemInstance = state.itemsInstance[index]
|
if (item && itemInstance) {
|
itemInstance.setStyle({
|
'transform': 'translate3d('+ item.translateX + 'px, 0px, 0px) scale(' + item.scale + ')',
|
'z-index': item.zIndex
|
})
|
}
|
})
|
} else {
|
var newIndex = state.currentIndex + 1 > list.length - 1 ? 0 : state.currentIndex + 1
|
switchNextSwiper(newIndex, touches, instance, state)
|
|
updateCurrentSwiperIndex(newIndex, ownerInstance, state)
|
}
|
} else if (state.direction == 'right') {
|
if (Math.abs(touches.pageX - touchRelactive.x) < itemAnimationWidth) {
|
// 滑动显示图片回滚
|
var preIndex = (state.currentIndex == 0) ? list.length - 1 : state.currentIndex - 1
|
state.itemsInstance[preIndex].setStyle({
|
'transform': 'translate3d(-' + itemData.itemWidth + 'px, 0px, 0px) scale(1)',
|
'z-index': list[state.currentIndex].zIndex + 1,
|
'opacity': list[state.currentIndex].opacity
|
})
|
list.forEach(function(item, index) {
|
var itemInstance = state.itemsInstance[index]
|
if (item && itemInstance) {
|
itemInstance.setStyle({
|
'transform': 'translate3d('+ item.translateX + 'px, 0px, 0px) scale(' + item.scale + ')',
|
'z-index': item.zIndex,
|
'opacity': item.opacity
|
})
|
}
|
})
|
} else {
|
var newIndex = (state.currentIndex - 1 < 0) ? list.length - 1 : state.currentIndex - 1
|
switchPrevSwiper(newIndex, touches, instance, state)
|
|
updateCurrentSwiperIndex(newIndex, ownerInstance, state)
|
}
|
}
|
} else if (itemData.direction === 'vertical') {
|
// 垂直方向移动
|
var itemAnimationHeight = state.itemAnimationHeight
|
// 判断时上滑还是下滑
|
// 判断是否超过自动滚动到下一页还是回滚
|
if (state.direction == 'up') {
|
if (Math.abs(touches.pageY - touchRelactive.y) < itemAnimationHeight) {
|
list.forEach(function(item, index) {
|
var itemInstance = state.itemsInstance[index]
|
if (item && itemInstance) {
|
itemInstance.setStyle({
|
'transform': 'translate3d(0px, '+ item.translateY + 'px, 0px) scale(' + item.scale + ')',
|
'z-index': item.zIndex,
|
'opacity': item.opacity
|
})
|
}
|
})
|
} else {
|
var newIndex = state.currentIndex + 1 > list.length - 1 ? 0 : state.currentIndex + 1
|
switchNextSwiper(newIndex, touches, instance, state)
|
|
updateCurrentSwiperIndex(newIndex, ownerInstance, state)
|
}
|
} else if (state.direction == 'down') {
|
if (Math.abs(touches.pageY - touchRelactive.y) < itemAnimationHeight) {
|
// 滑动显示图片回滚
|
var preIndex = (state.currentIndex == 0) ? list.length - 1 : state.currentIndex - 1
|
state.itemsInstance[preIndex].setStyle({
|
'transform': 'translate3d(0px, -' + itemData.itemHeight + 'px, 0px) scale(1)',
|
'z-index': list[state.currentIndex].zIndex + 1,
|
'opacity': list[state.currentIndex].opacity
|
})
|
list.forEach(function(item, index) {
|
var itemInstance = state.itemsInstance[index]
|
if (item && itemInstance) {
|
itemInstance.setStyle({
|
'transform': 'translate3d(0px, '+ item.translateY + 'px, 0px) scale(' + item.scale + ')',
|
'z-index': item.zIndex,
|
'opacity': item.opacity
|
})
|
}
|
})
|
} else {
|
var newIndex = (state.currentIndex - 1 < 0) ? list.length - 1 : state.currentIndex - 1
|
switchPrevSwiper(newIndex, touches, instance, state)
|
|
updateCurrentSwiperIndex(newIndex, ownerInstance, state)
|
}
|
}
|
}
|
|
// 清除对应的标志位
|
state.touchRelactive = null
|
state.touching = false
|
state.direction = null
|
state.touchId = null
|
|
ownerInstance.callMethod('changeTouchState', {
|
touching: false
|
})
|
// 重新开始执行自动轮播
|
ownerInstance.callMethod('setAutoPlay')
|
}
|
|
module.exports = {
|
itemDataObserver: itemDataObserver,
|
listObserver: listObserver,
|
swiperIndexChange: swiperIndexChange,
|
autoplayFlagChange: autoplayFlagChange,
|
touchStart: touchStart,
|
touchMove: touchMove,
|
touchEnd: touchEnd
|
}
|
