vue-virtual-draglist

2.8.5 • Public • Published

vue-virtual-draglist

npm npm vue2 Software License

A virtual scrolling list component that can be sorted by dragging

For Vue 3 support, see here

Simple usage

npm i vue-virtual-draglist

Root component:

<template>
  <div>
    <!--
      :handle="'I'" // use tagName 
      :handle="'.handle'" // use class
      :handle="'#handle'" // use id
    -->
    <virtual-list
      v-model="list"
      :data-key="'id'"
      :handle="'.handle'"
      @top="toTop"
      @bottom="toBottom"
      @drag="onDrag"
      @drop="onDrop"
      @add="onAdd"
      @remove="onRemove"
    >
      <template slot="item" slot-scope="{ record, index, dataKey }">
        <i class="handle">{{ record.id }}</span>
        {{ record.text }}
      </template>
      <template slot="header">
        <div class="loading">top loading...</div>
      </template>
      <template slot="footer">
        <div class="loading">bottom loading...</div>
      </template>
    </virtual-list>
  </div>
</template>

<script>
  import virtualList from 'vue-virtual-draglist';

  export default {
    name: 'root',
    components: { virtualList },
    data () {
      return {
        list: [{ id: '1', text: 'a' }, { id: '2', text: 'b' }, ...];
      }
    },
    methods: {
      toTop() {
        // code here
      },
      toBottom() {
        // code here
      },
      onDrag({ item, key, index }) {
        // code here
      },
      onDrop(params) {
        if (params.changed) {
          // list item position changed
        }
      },
      onAdd({ item, key, index }) {
        // code here
      },
      onRemove({ item, key, index }) {
        // code here
      }
    }
  }
</script>

Emits

Emit Description
top scrolled to top
bottom scrolled to bottom
drag drag is started
drop drag is completed
add element is dropped into the list from another
remove element is removed from the list into another

Props

Required props

Prop Type Description
data-key String The unique identifier of each piece of data, in the form of 'a.b.c'
data-source Array The data that needs to be rendered

Optional props

Commonly used

Prop Type Default Description
keeps Number 30 The number of lines rendered by the virtual scroll
size Number - The estimated height of each piece of data, you can choose to pass it or not, it will be automatically calculated
handle Function/String - Drag handle selector within list items
group Function/String - string: 'name' or object: { name: 'group', put: true/false, pull: true/false/'clone', revertDrag: true/false }
keepOffset Boolean false When scrolling up to load data, keep the same offset as the previous scroll
direction vertical | horizontal vertical Scroll direction
scroller Document | HTMLElement - Virtual list scrolling element
lockAxis x | y - Axis on which dragging will be locked
debounceTime Number 0 debounce time on scroll
throttleTime Number 0 throttle time on scroll

Uncommonly used

Prop Type Default Description
draggable String - Specifies which items inside the element should be draggable. If does not set a value, the default list element can be dragged
disabled Boolean false Disables the sortable if set to true
animation Number 150 Animation speed moving items when sorting
autoScroll Boolean true Automatic scrolling when moving to the edge of the container
scrollThreshold Number 55 Threshold to trigger autoscroll
delay Number 0 Time in milliseconds to define when the sorting should start
delayOnTouchOnly Boolean false Only delay on press if user is using touch
fallbackOnBody Boolean false Appends the ghost element into the document's body
rootTag String div Label type for root element
wrapTag String div Label type for list wrap element
itemTag String div Label type for list item element
wrapClass String '' List wrapper element class
wrapStyle Object {} List wrapper element style
itemClass String '' List item element class
itemStyle Object {} List item element style
ghostClass String '' The class of the mask element when dragging
ghostStyle Object {} The style of the mask element when dragging
chosenClass String '' The class of the selected element when dragging

Methods

Use ref to get the method inside the component

Method Description
getSize(key) Get the size of the current item by unique key value
getOffset() Get the current scroll height
getClientSize() Get wrapper element client viewport size (width or height)
getScrollSize() Get all scroll size (scrollHeight or scrollWidth)
scrollToTop() Scroll to top of list
scrollToBottom() Scroll to bottom of list
scrollToKey(key) Scroll to the specified data-key position
scrollToIndex(index) Scroll to the specified index position
scrollToOffset(offset) Scroll to the specified offset

Package Sidebar

Install

npm i vue-virtual-draglist

Weekly Downloads

154

Version

2.8.5

License

MIT

Unpacked Size

117 kB

Total Files

5

Last publish

Collaborators

  • mfuu