A mobile Vue plugin for scroller

v-scroller

A vue plugin for nesting scroller ,you can use it to expand more components such as banner,date-piacker and so on.

Why making this plugin

• There are so many vue plugins on github,but i haven't found a suitable mini vue plugin for scroller.The best scroller plugin i have seen is the 'better-scroller',however it's not for vue especially.I decide to make a mini vue scroller plugin for my own company programs also for people who wanna use scroller simply.

What you can do with the plugin

• You can use it to make a scroller container includes pulling-refresh,infinite-loading and horizonal scroller also supporting nesting different direction scroller.

How to use

• NPM install the v-scroller plugin

yarn add v-scroller   or   npm install v-scroller --save

1.vue spa

• import the plugin and use

import scroller from 'v-scroller'
import 'v-scroller/dist/v-scroller.css'
Vue.use(scroller)

2.script html

• directly write the script,in deed you have to insert the vue.js script firstly

<link rel="stylesheet" href="node_modules/v-scroller/dist/v-scroller.css"></link >
<script src="node_modules/v-scroller/dist/v-scroller.js"></script>

• use the component scroller directly in your vue spa file or the Vue instance

<scroller />

DEMO Codes

<template>
	<!--verticalMode and infinite and refresh-->
	<scroller
		ref="scroll"
		@downFresh="downfresh"
		@upLoad="upload"
		@scroll="showPosition"
		@afterScroll="showPosition"
		:snapping="snapping"
		:smooth="smooth"
		:isDownFresh="isDownFresh"
		:isUpLoad="isUpLoad"
		>
		<div slot="nomore" class="nomore">there is nomore data~</div>
		<ul>
			<li :class="{active:index%2==0}" v-for="(item,index) of num" :key="item">number {{item}} item</li>
		</ul>
	</scroller>
	
	<!--nesting scroller with horizonalMode and verticalMode-->
	<scroller
		ref="scroll"
		:snapping="snapping"
		@scroll="showPosition"
		@afterScroll="showPosition"
		>
		<div class="_testBox" v-for="item of 20">
			<scroller
				@upLoad="upload"
				:snapping="snapping"
				:isUpLoad="isUpLoad"
				:horizonalMode="horizonalMode"
				>
				<div class="boxRoom">
					<div :class="{active:index%2==0}" class="box" v-for="(item,index) of num" :key="item">{{item}}</div>		
				</div>
			</scroller>
		</div>
		<div slot="nomore" class="nomore">there is nomore data~</div>
	</scroller>
	<!--goTop using the scrollTo() function-->
	<div class="record" @click="goTop">
		x:{{left}},y:{{top}}
	</div>
</template>
<script>
export default{
	data(){
		return{
			num:[],
			snapping:true,
			isDownFresh:true,
			isUpLoad:true,
			smooth:true,
			horizonalMode:true,
			left:0,
			top:0
		}
	},
	created(){
		for(let i=0;i<5;i++){
			this.num.push(i)
		}
	},
	methods:{
		downfresh(done){
			console.log('refreshing finished')
			let b = this.num[0];
			for(let i = b;i>=b-5;i--){
				this.num.unshift(i);
			}
			done() // you should call the done to close the loading
		},
		upload(done){
			console.log('infinite loading finished')
			if(this.num[this.num.length-1]<25){
				let b = this.num[this.num.length-1];
				for(let i = b+1;i<=b+5;i++){
					this.num.push(i);
				}
				done() // you should call the done to close the loading
			}else{
				this.$refs.scroll.closeLoad();
			}
		},
		showPosition(){
			let {x:left,y:top} = this.$refs.scroll.getPosition();
			this.left = left;
			this.top = top;
		},
		goTop(){
			this.$refs.scroll.scrollTo(0,true);
			this.showPosition();
		}
	}
}
</script>

It's suggested that write a single function for ajax in methods and then use the ajax function at the lifeCircle of created，you can continue to use it at the plugin emiting event -- upLoad.Like this：

	created(){
		//when the component created ,use the ajax function firstly
		this.refreshData();
	},
	methods:{
		refreshData(done){
			const data = `telephone=${this.$store.state.BookOrderInfo.telephone}&start=${this.start}&limit=${this.limit}`
			this.$http({
				method:'POST',
				url:this.$_URL+'/api/listHistoryRecord',
				data:data
			})
			.then(
				res=>{
					if(res.data.code == '0000'){
						//if nomore data from the back-end ,use the plugin function closeLoad()
						if(res.data.data.length==this.History.length){
							this.$refs.scroller.closeLoad();
						}else{
							this.History = res.data.data;
							done()
						}
					}
			})
			.catch(
				err=>console.log(err)
			)
		},
		upLoad(done){
			this.limit+=this.limit;//this is the length of data while you request the back-end
			this.refreshData(done);
		}
	}

Options

props

Notice:while switching horizonalMode,only upLoad is abled to work,it shows that scroll-right infinite loading also the emit event name is the same to upLoad.

emit events

• downFresh(done) when you pull down your container at the top border,write your logic in it usually write the ajax.Make sure the isDownFresh prop is true.done should be called while you finish the ajax .
• upLoad(done) when you scroll your container at the bottom border,write your logic in it usually write the ajax.Make sure the isUpLoad prop is true.done should be called while you finish the ajax. However if horizonalMode enabled, there isn't done available!
• beforeScroll before you scroll just mean you touch the container.
• scroll when you're scrolling the container.
• afterScroll after you scroll just mean you raise your finger from the container.

plugin methods

Notice:You have to add ref to the component scroller and then use this.$refs to get following methods.

• closeLoad (Function) no param,forbid infinite loading animation,usually use when your ajax finished.
• refreshLoad(Function) no param,refresh infinite loading .
• getPosition (Function) no param,get current position of scroller content.
• scrollTo (Function(Number,Boolean)) scroll to a position in scroller content,two params,the first param required Number,the second param isn't required ,it means whether open or close the scrolling animation.

slots

GitHub