<template>
	<view>
		<view class="tabr" :style="{top:headerTop}">
			<view :class="{on:typeClass=='goods'}" @tap="switchType('goods')">商品({{goodsList.length}})</view>
			<view :class="{on:typeClass=='shop'}"  @tap="switchType('shop')">店铺({{shopList.length}})</view>
			<view class="border" :class="typeClass"></view>
		</view>
		<view class="place" ></view>
		<view class="list">
			<!-- 优惠券列表 -->
			<view class="sub-list goods" :class="subState">
				<view class="tis" v-if="goodsList.length==0">没有数据~</view>
				<view class="row" v-for="(row,index) in goodsList" :key="index" >
					<!-- 删除按钮 -->
					<view class="menu" @tap.stop="deleteCoupon(row.id,goodsList)">
						<view class="icon shanchu"></view>
					</view>
					<!-- content -->
					<view class="carrier" :class="[typeClass=='goods'?theIndex==index?'open':oldIndex==index?'close':'':'']" @touchstart="touchStart(index,$event)" @touchmove="touchMove(index,$event)" @touchend="touchEnd(index,$event)">
						<view class="goods-info" @tap="toGoods(row)">
							<view class="img">
								<image :src="row.img"></image>
							</view>
							<view class="info">
								<view class="title">{{row.name}}</view>
								<view class="price-number">
									<view class="keep-num">
										905人收藏
									</view>
									<view class="price">￥{{row.price}}</view>
									
								</view>
							</view>
						</view>
					</view>
				</view>
			</view>
			<view class="sub-list shop" :class="subState">
				<view class="tis" v-if="shopList.length==0">没有数据~</view>
				<view class="row" v-for="(row,index) in shopList" :key="index" >
					<!-- 删除按钮 -->
					<view class="menu" @tap.stop="deleteCoupon(row.id,shopList)">
						<view class="icon shanchu"></view>
					</view>
					<!-- content -->
					<view class="carrier" :class="[typeClass=='shop'?theIndex==index?'open':oldIndex==index?'close':'':'']" @touchstart="touchStart(index,$event)" @touchmove="touchMove(index,$event)" @touchend="touchEnd(index,$event)">
						<view class="left">
							<image :src="row.img"></image>
						</view>
						<view class="right">
							<view class="name">
								{{row.name}}
							</view>
						</view>
					</view>
				</view>
			</view>
		</view>
		
	</view>
</template>

<script>

	export default {
		data() {
			return {
				goodsList:[
					{id:1,img:'/static/img/goods/p1.jpg',name:'商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题',spec:'规格:S码',price:127.5,number:1,selected:false},
					{id:2,img:'/static/img/goods/p1.jpg',name:'商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题',spec:'规格:S码',price:127.5,number:1,selected:false},
					{id:3,img:'/static/img/goods/p1.jpg',name:'商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题商品标题',spec:'规格:S码',price:127.5,number:1,selected:false},
				],
				shopList:[
					{id:1,name:"冰鲜专卖店",img:"/static/img/shop/1.jpg"},
					{id:2,name:"果蔬天下",img:"/static/img/shop/2.jpg"},
					{id:3,name:"办公耗材用品店",img:"/static/img/shop/3.jpg"},
					{id:4,name:"天天看好书",img:"/static/img/shop/4.jpg"}
				],
				headerTop:0,
				//控制滑动效果
				typeClass:'goods',
				subState:'',
				theIndex:null,
				oldIndex:null,
				isStop:false
			}
		},
		onPageScroll(e){
			
		},
		//下拉刷新，需要自己在page.json文件中配置开启页面下拉刷新 "enablePullDownRefresh": true
		onPullDownRefresh() {
		    setTimeout(function () {
		        uni.stopPullDownRefresh();
		    }, 1000);
		},
		onLoad() {
			//兼容H5下排序栏位置
			// #ifdef H5
				//定时器方式循环获取高度为止，这么写的原因是onLoad中head未必已经渲染出来。
				let Timer = setInterval(()=>{
					let uniHead = document.getElementsByTagName('uni-page-head');
					if(uniHead.length>0){
						this.headerTop = uniHead[0].offsetHeight+'px';
						clearInterval(Timer);//清除定时器
					}
				},1);
			// #endif
		},
		methods: {
			switchType(type){
				if(this.typeClass==type){
					return ;
				}
				uni.pageScrollTo({
					scrollTop:0,
					duration:0
				})
				this.typeClass = type;
				this.subState = this.typeClass==''?'':'show'+type;
				setTimeout(()=>{
					this.oldIndex = null;
					this.theIndex = null;
					this.subState = this.typeClass=='goods'?'':this.subState;
				},200)
			},
			//控制左滑删除效果-begin
			touchStart(index,event){
				//多点触控不触发
				if(event.touches.length>1){
					this.isStop = true;
					return ;
				}
				this.oldIndex = this.theIndex;
				this.theIndex = null;
				//初始坐标
				this.initXY = [event.touches[0].pageX,event.touches[0].pageY];
			},
			touchMove(index,event){
				//多点触控不触发
				if(event.touches.length>1){
					this.isStop = true;
					return ;
				}
				let moveX = event.touches[0].pageX - this.initXY[0];
				let moveY = event.touches[0].pageY - this.initXY[1];
				
				if(this.isStop||Math.abs(moveX)<5){
					return ;
				}
				if (Math.abs(moveY) > Math.abs(moveX)){
					// 竖向滑动-不触发左滑效果
					this.isStop = true;
					return;
				}
				
				if(moveX<0){
					this.theIndex = index;
					this.isStop = true;
				}else if(moveX>0){
					if(this.theIndex!=null&&this.oldIndex==this.theIndex){
						this.oldIndex = index;
						this.theIndex = null;
						this.isStop = true;
						setTimeout(()=>{
							this.oldIndex = null;
						},150)
					}
				}
			},
			
			touchEnd(index,$event){
				//解除禁止触发状态
				this.isStop = false;
			},
			
			//删除商品
			deleteCoupon(id,List){
				let len = List.length;
				for(let i=0;i<len;i++){
					if(id==List[i].id){
						List.splice(i, 1);
						break;
					}
				}
				this.oldIndex = null;
				this.theIndex = null;
			},
			
			discard() {
				//丢弃
			}
			
			
		}
	}
</script>
<style lang="scss">
	view{
		display: flex;
		flex-wrap: wrap;
		
	}
	page{position: relative;background-color: #f5f5f5;}

	.hidden{
		display: none !important;
	}
	.place{
		width: 100%;
		height: 95upx;
	}
	.tabr{
		background-color: #fff;
		width: 94%;
		height: 95upx;
		padding: 0 3%;
		border-bottom: solid 1upx #dedede;
		position: fixed;
		top: 0;
		z-index: 10;
		view{
			width: 50%;
			height: 90upx;
			justify-content: center;
			align-items: center;
			font-size: 32upx;
			color: #999;
		}
		.on{
			color: #0083f5;
		}
		.border{
			height: 4upx;
			background-color: #0083f5;
			transition: all .3s ease-out;
			&.shop{
				transform: translate3d(100%,0,0);
			}
		}
		
	}
	.list{
		width: 100%;
		display: block;
		position: relative;
	}
	@keyframes showGoods {
		0% {transform: translateX(-100%);}100% {transform: translateX(0);}
	}
	@keyframes showShop {
		0% {transform: translateX(0);}100% {transform: translateX(-100%);}
	}
	.sub-list{
		&.shop{
			position: absolute;
			top: 0;
			left:100%;
			display: none;
		}
		&.showgoods{
			display: flex;
			animation: showGoods 0.20s linear both;
		}
		&.showshop{
			display: flex;
			animation: showShop 0.20s linear both;
		}
		width: 100%;
		padding: 20upx 0 120upx 0;
		.tis{
			width: 100%;
			height: 60upx;
			justify-content: center;
			align-items: center;
			font-size: 32upx;
		}
		&.shop{
			.row{
				height: 20vw;
				.left{
					width: 20vw;
					height: 20vw;
					padding-left: 20upx;
					align-items: center;
					image{
						width: 18vw;
						height: 18vw;
						border-radius: 100%;
					}
				}
				.right{
					height: 20vw;
					align-items: center;
					font-size: 32upx;
				}
			}
		}
		.row{
			width: 100%;
			height: 30vw; 
			align-items: center;
			position: relative;
			overflow: hidden;
			border-bottom: solid 1upx #dedede;
			.menu{
				.icon{
					color: #fff;
					font-size:50upx;
				}
				position: absolute;
				width: 28%;
				height: 100%;
				right: 0;
				justify-content: center;
				align-items: center;
				background-color: red;
				color: #fff;
				z-index: 2;
			}
			
			.carrier{
				@keyframes showMenu {
					0% {transform: translateX(0);}100% {transform: translateX(-28%);}
				}
				@keyframes closeMenu {
					0% {transform: translateX(-28%);}100% {transform: translateX(0);}
				}
				&.open{
					animation: showMenu 0.25s linear both;
				}
				&.close{
					animation: closeMenu 0.15s linear both;
				}
				background-color: #fff;

				position: absolute;
				width: 100%;
				padding: 0 0;
				height: 100%;
				z-index: 3;
				flex-wrap: nowrap;
				.goods-info{
					width: calc(100% - 40upx);
					padding: 20upx;
					flex-wrap: nowrap;
					.img{
						width: calc(30vw - 40upx);
						height: calc(30vw - 40upx);
						border-radius: 10upx;
						overflow: hidden;
						flex-shrink: 0;
						margin-right: 20upx;
						image{
							width: calc(30vw - 40upx);
							height: calc(30vw - 40upx);
						}
					}
					.info{
						width: 100%;
						height: calc(30vw - 40upx);
						overflow: hidden;
						flex-wrap: wrap;
						align-content: space-between;
						position: relative;
						.title{
							width: 100%;
							font-size: 28upx;
							display: -webkit-box;
							-webkit-box-orient: vertical;
							-webkit-line-clamp: 2;
							overflow: hidden;
						}
						
						.price-number{
							width: 100%;
							justify-content: space-between;
							align-items: baseline;
							
							.keep-num{
								font-size: 26upx;
								color: #999;
							}
							.price{
								font-size: 30upx;
								color: #0083f5;
							}
						}
					}
				}
			}

		}
	}
	
</style>
