361 lines
12 KiB
Vue
361 lines
12 KiB
Vue
<template>
|
||
<div id="base-slide-wrapper" ref="slideWrapper">
|
||
<div class="indicator-bullets" v-if="indicatorType === 'bullets' && slideItems.length">
|
||
<div class="bullet" :class="{active:currentSlideItemIndex === item-1}" v-for="item in slideItems.length"></div>
|
||
</div>
|
||
|
||
<div id="base-slide-list" ref="slideList"
|
||
:style="{'flex-direction':'row'}"
|
||
@touchstart="touchStart($event)"
|
||
@touchmove="touchMove($event)"
|
||
@touchend="touchEnd($event)">
|
||
<slot></slot>
|
||
</div>
|
||
</div>
|
||
</template>
|
||
|
||
<script>
|
||
import bus from "../../utils/bus";
|
||
import Loading from "../Loading";
|
||
|
||
export default {
|
||
name: "BaseSlideList",
|
||
components: {
|
||
Loading
|
||
},
|
||
props: {
|
||
canMove: {
|
||
type: Boolean,
|
||
default: () => true
|
||
},
|
||
autoplay: {
|
||
type: Boolean,
|
||
default: () => false
|
||
},
|
||
indicatorType: {
|
||
type: String,
|
||
default: ''
|
||
//bullets
|
||
//fraction
|
||
//progressbar
|
||
//custom
|
||
},
|
||
useHomeLoading: {
|
||
type: Boolean,
|
||
default: () => false
|
||
},
|
||
activeIndex: {
|
||
type: Number,
|
||
default: () => 0
|
||
},
|
||
name: {
|
||
type: String,
|
||
default: () => ''
|
||
},
|
||
},
|
||
computed: {
|
||
isHome() {
|
||
return this.indicatorType === 'home'
|
||
},
|
||
toolbarStyle() {
|
||
if (!this.isHome) return
|
||
return {
|
||
opacity: 1 - this.homeLoadingMoveYDistance / 20,
|
||
'transition-duration': this.toolbarStyleTransitionDuration + 'ms',
|
||
transform: `translate3d(0, ${this.homeLoadingMoveYDistance > 60 ? 60 : this.homeLoadingMoveYDistance}px, 0)`,
|
||
}
|
||
},
|
||
noticeStyle() {
|
||
if (!this.isHome) return
|
||
return {
|
||
opacity: this.homeLoadingMoveYDistance / 60,
|
||
'transition-duration': this.toolbarStyleTransitionDuration + 'ms',
|
||
transform: `translate3d(0, ${this.homeLoadingMoveYDistance > 60 ? 60 : this.homeLoadingMoveYDistance}px, 0)`,
|
||
}
|
||
},
|
||
loadingStyle() {
|
||
if (!this.isHome) return
|
||
if (this.loading) {
|
||
return {
|
||
opacity: 1,
|
||
'transition-duration': '300ms',
|
||
}
|
||
}
|
||
if (this.homeLoadingMoveYDistance !== 0) {
|
||
return {
|
||
opacity: this.homeLoadingMoveYDistance / 60,
|
||
'transition-duration': this.toolbarStyleTransitionDuration + 'ms',
|
||
transform: `translate3d(0, ${this.homeLoadingMoveYDistance > 60 ? 60 : this.homeLoadingMoveYDistance}px, 0)`,
|
||
}
|
||
}
|
||
}
|
||
},
|
||
data() {
|
||
return {
|
||
loading: false,
|
||
wrapperWidth: 0,
|
||
|
||
startLocationX: 0,
|
||
startLocationY: 0,
|
||
|
||
moveXDistance: 0,
|
||
moveYDistance: 0,
|
||
|
||
judgeValue: 10,
|
||
startTime: 0,
|
||
|
||
currentSlideItemIndex: 0,
|
||
isDrawRight: true,
|
||
isDrawDown: true,
|
||
isCanRightWiping: false,
|
||
isCanDownWiping: false,
|
||
isNeedCheck: true,
|
||
|
||
slideList: null,
|
||
slideItems: [],
|
||
indicatorRef: null,
|
||
slideItemsWidths: [],
|
||
tabIndicatorRelationActiveIndexLefts: [],//指标和slideItem的index的对应left,
|
||
indicatorSpace: 0,//indicator之间的间距
|
||
toolbarStyleTransitionDuration: 0,
|
||
homeLoadingMoveYDistance: 0,//homeLoading专用的MoveYDistance，因为MoveYDistance是一直更新的，左右划的时候也在更新，会造成
|
||
//在往左划，但上面的toolbar开始往下移了，所以需要用一个专用的值来有条件的保存MoveYDistance，即只direction = row的时候
|
||
}
|
||
},
|
||
watch: {
|
||
activeIndex() {
|
||
this.changeIndex()
|
||
},
|
||
},
|
||
mounted: async function () {
|
||
await this.checkChildren(true)
|
||
this.isHome && this.initTabs()
|
||
this.changeIndex(true)
|
||
|
||
if (this.autoplay) {
|
||
setInterval(() => {
|
||
if (this.currentSlideItemIndex === this.slideItems.length - 1) {
|
||
this.currentSlideItemIndex = 0
|
||
} else {
|
||
this.currentSlideItemIndex++
|
||
}
|
||
this.changeIndex(false, this.currentSlideItemIndex)
|
||
}, 3000)
|
||
}
|
||
},
|
||
methods: {
|
||
changeIndex(init = false, index = null) {
|
||
this.currentSlideItemIndex = index !== null ? index : this.activeIndex
|
||
!init && this.$setCss(this.slideList, 'transition-duration', `300ms`)
|
||
this.$setCss(this.slideList, 'transform', `translate3d(${-this.getWidth(this.currentSlideItemIndex) + this.moveXDistance}px, 0px, 0px)`)
|
||
if (this.isHome) {
|
||
this.$setCss(this.indicatorRef, 'left', this.tabIndicatorRelationActiveIndexLefts[this.currentSlideItemIndex] + 'px')
|
||
}
|
||
this.$attrs['onUpdate:activeIndex'] && this.$emit('update:active-index', this.currentSlideItemIndex)
|
||
},
|
||
initTabs() {
|
||
let tabs = this.$refs.tabs
|
||
this.indicatorRef = this.$refs.indicator
|
||
for (let i = 0; i < tabs.children.length; i++) {
|
||
let item = tabs.children[i]
|
||
this.tabWidth = this.$getCss(item, 'width')
|
||
//TODO 这里算得不对，两个字时正常，字一多就会出问题，修改参考IndicatorLight.vue
|
||
this.tabIndicatorRelationActiveIndexLefts.push(
|
||
item.getBoundingClientRect().x - tabs.children[0].getBoundingClientRect().x + (this.isHome ? this.tabWidth * 0.15 : 0))
|
||
}
|
||
// console.log(this.lefts)
|
||
this.indicatorSpace = this.tabIndicatorRelationActiveIndexLefts[1] - this.tabIndicatorRelationActiveIndexLefts[0]
|
||
if (this.isHome) {
|
||
this.$setCss(this.indicatorRef, 'transition-duration', `300ms`)
|
||
this.$setCss(this.indicatorRef, 'left', this.tabIndicatorRelationActiveIndexLefts[this.currentSlideItemIndex] + 'px')
|
||
}
|
||
},
|
||
async checkChildren(init) {
|
||
this.slideList = this.$refs.slideList
|
||
this.slideItems = this.slideList.children
|
||
this.wrapperWidth = this.$getCss(this.slideList, 'width')
|
||
this.wrapperHeight = this.$getCss(this.slideList, 'height')
|
||
for (let i = 0; i < this.slideItems.length; i++) {
|
||
let el = this.slideItems[i]
|
||
this.slideItemsWidths.push(this.$getCss(el, 'width'))
|
||
}
|
||
},
|
||
touchStart(e) {
|
||
this.$setCss(this.slideList, 'transition-duration', `0ms`)
|
||
this.isHome && this.$setCss(this.indicatorRef, 'transition-duration', `0ms`)
|
||
this.toolbarStyleTransitionDuration = 0
|
||
|
||
this.startLocationX = e.touches[0].pageX
|
||
this.startLocationY = e.touches[0].pageY
|
||
this.startTime = Date.now()
|
||
},
|
||
touchMove(e) {
|
||
// this.$stopPropagation(e)
|
||
if (!this.canMove) return;
|
||
this.moveXDistance = e.touches[0].pageX - this.startLocationX
|
||
this.moveYDistance = e.touches[0].pageY - this.startLocationY
|
||
|
||
this.isDrawRight = this.moveXDistance < 0
|
||
this.isDrawDown = this.moveYDistance < 0
|
||
|
||
this.checkDirection()
|
||
|
||
|
||
//多重判断，this.isCanDownWiping 这个判断是为了，只能在一个方向上，进行页面更新，比如说，我斜着画，就会出现toolbar又在下移，
|
||
//slideitem同时在左右移的情况，所以不能直接使用moveYDistance
|
||
if (this.isCanDownWiping && this.isHome && !this.loading) {
|
||
this.homeLoadingMoveYDistance = this.moveYDistance > 0 ? this.moveYDistance : 0
|
||
}
|
||
|
||
if (this.isCanRightWiping) {
|
||
// //禁止在index=0页面的时候，向左划
|
||
if (this.currentSlideItemIndex === 0 && !this.isDrawRight) return
|
||
//禁止在最后页面的时候，向右划
|
||
if (this.currentSlideItemIndex === this.slideItems.length - 1 && this.isDrawRight) return
|
||
|
||
bus.emit(this.name + '-moved', {
|
||
x: {distance: this.moveXDistance, isDrawRight: this.isDrawRight},
|
||
})
|
||
|
||
this.$stopPropagation(e)
|
||
this.$setCss(this.slideList, 'transform',
|
||
`translate3d(${-this.getWidth(this.currentSlideItemIndex) +
|
||
this.moveXDistance +
|
||
(this.isDrawRight ? this.judgeValue : -this.judgeValue)}px, 0px, 0px)`)
|
||
|
||
this.isHome && this.$setCss(this.indicatorRef, 'left',
|
||
this.tabIndicatorRelationActiveIndexLefts[this.currentSlideItemIndex] -
|
||
this.moveXDistance / (this.$store.state.bodyWidth / this.indicatorSpace) + 'px')
|
||
}
|
||
},
|
||
touchEnd(e) {
|
||
if (this.isHome) {
|
||
if (this.homeLoadingMoveYDistance > 60) {
|
||
this.getData()
|
||
}
|
||
this.toolbarStyleTransitionDuration = 300
|
||
this.homeLoadingMoveYDistance = 0
|
||
}
|
||
|
||
if (this.isCanRightWiping) {
|
||
if (this.currentSlideItemIndex === 0 && !this.isDrawRight) return
|
||
if (this.currentSlideItemIndex === this.slideItems.length - 1 && this.isDrawRight) return
|
||
|
||
this.$setCss(this.slideList, 'transition-duration', `300ms`)
|
||
this.isHome && this.$setCss(this.indicatorRef, 'transition-duration', `300ms`)
|
||
let endTime = Date.now()
|
||
let gapTime = endTime - this.startTime
|
||
|
||
//21/06/28 发现一个bug，就是会把所有的点击事件，给失效了。。。//已解决
|
||
// this.$stopPropagation(e)//todo 如果是嵌套竖状的slide，会出问题,会到moveYDistance停下，不会移到
|
||
//this.getWidth(this.currentSlideItemIndex)位置，但是不禁示冒泡的话，又会出现划动过快，把父级也会移动。
|
||
if (this.moveXDistance !== 0) {
|
||
this.$stopPropagation(e)
|
||
}
|
||
if (Math.abs(this.moveXDistance) < 20) gapTime = 1000
|
||
if (Math.abs(this.moveXDistance) > (this.wrapperWidth / 3)) gapTime = 100
|
||
if (gapTime < 150) {
|
||
if (this.isDrawRight) {
|
||
this.currentSlideItemIndex += 1
|
||
} else {
|
||
this.currentSlideItemIndex -= 1
|
||
}
|
||
}
|
||
this.$setCss(this.slideList, 'transform', `translate3d(${-this.getWidth(this.currentSlideItemIndex)}px, 0px, 0px)`)
|
||
if (this.isHome) {
|
||
this.$setCss(this.indicatorRef, 'left', this.tabIndicatorRelationActiveIndexLefts[this.currentSlideItemIndex] + 'px')
|
||
}
|
||
}
|
||
this.resetConfig()
|
||
this.$attrs['onUpdate:activeIndex'] && this.$emit('update:active-index', this.currentSlideItemIndex)
|
||
this.$attrs['onEnd'] && this.$emit('end')
|
||
bus.emit(this.name + '-end', this.currentSlideItemIndex)
|
||
},
|
||
resetConfig() {
|
||
this.isCanRightWiping = false
|
||
this.isNeedCheck = true
|
||
this.moveXDistance = 0
|
||
this.moveYDistance = 0
|
||
},
|
||
getData() {
|
||
this.loading = true
|
||
setTimeout(() => {
|
||
this.loading = false
|
||
}, 1500)
|
||
},
|
||
getWidth(index) {
|
||
return this.slideItemsWidths.reduce((p, c, i) => {
|
||
if (i < index) {
|
||
//最后一页，如果宽度不够屏幕宽度，那不能拉完
|
||
if (this.slideItemsWidths.length - 1 === i + 1) {
|
||
p = p + c - (this.wrapperWidth - this.slideItemsWidths[index])
|
||
} else {
|
||
p += c
|
||
}
|
||
}
|
||
return p
|
||
}, 0)
|
||
},
|
||
checkDirection() {
|
||
if (!this.isNeedCheck) return
|
||
if (Math.abs(this.moveXDistance) > this.judgeValue || Math.abs(this.moveYDistance) > this.judgeValue) {
|
||
let angle = (Math.abs(this.moveXDistance) * 10) / (Math.abs(this.moveYDistance) * 10)
|
||
if (angle > 1) {
|
||
this.isCanDownWiping = false
|
||
this.isCanRightWiping = true
|
||
// console.log('横划')
|
||
} else {
|
||
this.isCanDownWiping = true
|
||
this.isCanRightWiping = false
|
||
// console.log('竖划')
|
||
}
|
||
// console.log(angle)
|
||
return this.isNeedCheck = false
|
||
}
|
||
return this.isNeedCheck = true
|
||
}
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style scoped lang="less">
|
||
@import "../../assets/less/index";
|
||
|
||
#base-slide-wrapper {
|
||
width: 100%;
|
||
height: 100%;
|
||
overflow: hidden;
|
||
position: relative;
|
||
|
||
#base-slide-list {
|
||
display: flex;
|
||
height: 100%;
|
||
width: 100%;
|
||
position: relative;
|
||
}
|
||
|
||
.indicator-bullets {
|
||
position: absolute;
|
||
bottom: 10rem;
|
||
z-index: 2;
|
||
left: 0;
|
||
display: flex;
|
||
justify-content: center;
|
||
width: 100%;
|
||
|
||
.bullet {
|
||
@width: 5rem;
|
||
width: @width;
|
||
height: @width;
|
||
margin: 0 3rem;
|
||
border-radius: 50%;
|
||
background: @second-btn-color;
|
||
|
||
&.active {
|
||
background: white;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
</style> |