zyronon
3 years ago
10 changed files with 1865 additions and 147 deletions
@ -0,0 +1,247 @@
@@ -0,0 +1,247 @@
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<script lang="jsx"> |
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import bus from "../../utils/bus"; |
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import {mapState} from "vuex"; |
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import * as Vue from "vue"; |
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|
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export default { |
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props: { |
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name: { |
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type: String, |
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default: () => '' |
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}, |
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renderSlide: { |
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type: Function, |
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default: () => { |
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return null |
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} |
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}, |
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list: { |
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type: Array, |
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default: () => { |
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return [] |
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} |
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}, |
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virtualTotal: { |
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type: Number, |
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default: () => 5 |
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}, |
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index: { |
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type: Number, |
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default: () => 0 |
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}, |
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}, |
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data() { |
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return { |
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wrapper: null, |
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total: 0, |
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lIndex: 0, |
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wrapperWidth: 0, |
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wrapperHeight: 0, |
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moveX: 0, |
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moveY: 0, |
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startX: 0, |
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startY: 0, |
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needCheck: true, |
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next: false, |
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startTime: null, |
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appInsMap: new Map() |
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} |
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}, |
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computed: { |
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...mapState(['judgeValue', 'homeRefresh']) |
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}, |
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mounted() { |
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this.lIndex = this.index |
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this.checkChildren() |
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this.insertContent() |
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this.total = this.wrapper.children.length |
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}, |
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methods: { |
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checkChildren() { |
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this.wrapper = this.$refs.wrapper |
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this.wrapperWidth = this.$getCss(this.wrapper, 'width') |
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this.wrapperHeight = this.$getCss(this.wrapper, 'height') |
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}, |
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insertContent() { |
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let start = 0 |
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let that = this |
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if (this.lIndex >= (this.virtualTotal - 1) / 2) { |
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start = this.lIndex - (this.virtualTotal - 1) / 2 |
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} |
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let end = start + 5 |
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if (end >= this.list.length) { |
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end = this.list.length |
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start = end - 5 |
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} |
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console.log('start', start) |
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console.log('end', end) |
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this.list.slice(start, end).map( |
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(item, index) => { |
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let el = null |
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//自动播放，当前条（可能是0，可能是其他），试了下用jq来找元素，然后trigger play事件，要慢点样 |
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el = this.getInsEl(item, start + index, start + index === this.lIndex) |
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this.wrapper.appendChild(el) |
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} |
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) |
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this.$setCss(this.wrapper, 'transform', `translate3d(0px, |
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${-this.lIndex * this.wrapperHeight}px, 0px)`) |
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|
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if (this.lIndex > 2 && this.list.length > 5) { |
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$(this.wrapper).find(".slide-item").each(function () { |
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if ((that.list.length - that.lIndex) > 2) { |
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$(this).css('top', (that.lIndex - 2) * that.wrapperHeight) |
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} else { |
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$(this).css('top', start * that.wrapperHeight) |
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} |
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}) |
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} |
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}, |
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getInsEl(item, index, play = false) { |
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// console.log('index',index,play) |
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let slideVNode = this.renderSlide(item, index, play) |
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const app = Vue.createApp({ |
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render() { |
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return slideVNode |
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} |
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}) |
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const parent = document.createElement('div') |
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const ins = app.mount(parent) |
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this.appInsMap.set(index, app) |
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// this.appInsMap.set(index, ins) |
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return ins.$el |
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}, |
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touchStart(e) { |
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this.$setCss(this.wrapper, 'transition-duration', `0ms`) |
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this.startX = e.touches[0].pageX |
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this.startY = e.touches[0].pageY |
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this.startTime = Date.now() |
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}, |
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touchMove(e) { |
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this.moveX = e.touches[0].pageX - this.startX |
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this.moveY = e.touches[0].pageY - this.startY |
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let isDown = this.moveY < 0 |
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this.checkDirection(e) |
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if (this.lIndex === 0 && !isDown && this.next) { |
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bus.emit(this.name + '-moveY', this.moveY) |
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} |
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if ((this.lIndex === 0 && !isDown) || (this.lIndex === this.list.length - 1 && isDown)) return |
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if (this.next) { |
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this.$stopPropagation(e) |
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this.$setCss(this.wrapper, 'transform', |
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`translate3d(0,${this.getDistance() |
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+ this.moveY |
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+ (isDown ? this.judgeValue : -this.judgeValue) |
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}px, 0)`) |
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} |
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}, |
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checkDirection(e) { |
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if (this.needCheck) { |
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// this.$stopPropagation(e) |
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} else { |
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return |
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} |
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if (Math.abs(this.moveX) > this.judgeValue || Math.abs(this.moveY) > this.judgeValue) { |
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let angle = (Math.abs(this.moveX) * 10) / (Math.abs(this.moveY) * 10) |
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this.next = angle <= 1; |
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// console.log(angle) |
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return this.needCheck = false |
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} |
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return this.needCheck = true |
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}, |
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touchEnd(e) { |
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let isDown = this.moveY < 0 |
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if (this.lIndex === 0 && !isDown && this.moveY > (this.homeRefresh + this.judgeValue)) { |
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bus.emit(this.name + '-loading') |
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} |
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if ((this.lIndex === 0 && !isDown) || (this.lIndex === this.list.length - 1 && isDown)) this.next = false |
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let endTime = Date.now() |
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let gapTime = endTime - this.startTime |
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if (Math.abs(this.moveY) < 20) gapTime = 1000 |
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if (Math.abs(this.moveY) > (this.wrapperHeight / 4)) gapTime = 100 |
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if (gapTime < 150 && this.next) { |
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if (isDown) { |
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this.lIndex++ |
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} else { |
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this.lIndex-- |
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} |
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// console.log(this.total) |
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let that = this |
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if (isDown) { |
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let addItemIndex = this.lIndex + 2 |
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let res = $(that.wrapper).find(`.slide-item[data-index=${addItemIndex}]`) |
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if (this.total < this.virtualTotal) { |
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if (res.length === 0) { |
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this.wrapper.appendChild(this.getInsEl(this.list[addItemIndex], addItemIndex)) |
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} |
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} |
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if (this.total === this.virtualTotal |
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&& this.lIndex >= (this.virtualTotal + 1) / 2 |
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&& this.lIndex <= this.list.length - 3 |
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) { |
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// console.log(videos) |
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if (res.length === 0) { |
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this.wrapper.appendChild(this.getInsEl(this.list[addItemIndex], addItemIndex)) |
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this.appInsMap.get($(that.wrapper).find(".slide-item:first").data('index')).unmount() |
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// $(that.wrapper).find(".base-slide-item:first").remove() |
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$(that.wrapper).find(".slide-item").each(function () { |
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$(this).css('top', (that.lIndex - 2) * that.wrapperHeight) |
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}) |
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} |
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} |
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if (this.total > this.virtualTotal) { |
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this.appInsMap.get($(that.wrapper).find(".slide-item:first").data('index')).unmount() |
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$(that.wrapper).find(".slide-item").each(function () { |
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$(this).css('top', (that.lIndex - 2) * that.wrapperHeight) |
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}) |
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} |
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} else { |
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if (this.lIndex > 1 && this.lIndex <= this.list.length - 4) { |
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let addItemIndex = this.lIndex - 2 |
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this.wrapper.prepend(this.getInsEl(this.list[addItemIndex], addItemIndex)) |
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this.appInsMap.get($(that.wrapper).find(".slide-item:last").data('index')).unmount() |
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// $(that.wrapper).find(".base-slide-item:last").remove() |
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$(that.wrapper).find(".slide-item").each(function () { |
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$(this).css('top', (that.lIndex - 2) * that.wrapperHeight) |
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}) |
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} |
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} |
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} |
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this.$setCss(this.wrapper, 'transition-duration', `300ms`) |
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|
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this.$setCss(this.wrapper, 'transform', |
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`translate3d(0,${this.getDistance()}px, 0)`) |
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this.reset() |
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}, |
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reset() { |
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this.moveX = 0 |
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this.next = false |
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this.startTime = null |
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this.needCheck = true |
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bus.emit(this.name + '-end', this.lIndex) |
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}, |
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getDistance() { |
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return -this.lIndex * this.wrapperHeight |
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}, |
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}, |
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render(createElement, context) { |
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return ( |
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<div className="slide"> |
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<div className="slide-wrapper" |
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style="flex-direction: column;" |
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ref="wrapper" |
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ontouchstart={this.touchStart.bind(this)} |
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ontouchmove={this.touchMove.bind(this)} |
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ontouchend={this.touchEnd.bind(this)} |
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> |
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{this.$slots.default && this.$slots.default()} |
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</div> |
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</div> |
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) |
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} |
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} |
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</script> |
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