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Vue component (Vue.js 3.0) allowing drag-and-drop and synchronization with view model array.

For Vue 2 and Vue 1 version check: https://github.com/SortableJS/Vue.Draggable

Based on and offering all features of Sortable.js

Live Demos

https://sortablejs.github.io/vue.draggable.next/

Features

  • Full support of Sortable.js features:
  • Supports touch devices
  • Supports drag handles and selectable text
  • Smart auto-scrolling
  • Support drag and drop between different lists
  • No jQuery dependency
  • Keeps in sync HTML and view model list
  • Compatible with Vue.js 3.0 transition-group
  • Cancellation support
  • Events reporting any changes when full control is needed
  • Reuse existing UI library components (such as vuetify , element , or vue material etc...) and make them draggable using tag and componentData props
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    Installation

    With npm or yarn

    yarn add vuedraggable@next
    npm i -S vuedraggable@next
    <script src="//cdnjs.cloudflare.com/ajax/libs/vue/3.0.2/vue.min.js"></script>
    <!-- CDNJS :: Sortable (https://cdnjs.com/) -->
    <script src="//cdn.jsdelivr.net/npm/[email protected]/Sortable.min.js"></script>
    <!-- CDNJS :: Vue.Draggable (https://cdnjs.com/) -->
    <script src="//cdnjs.cloudflare.com/ajax/libs/Vue.Draggable/4.0.0/vuedraggable.umd.min.js"></script>

    cf example section

    Typical use:

    <draggable 
      v-model="myArray" 
      group="people" 
      @start="drag=true" 
      @end="drag=false" 
      item-key="id">
      <template #item="{element}">
        <div>{{element.name}}</div>
       </template>
    </draggable>
      import draggable from 'vuedraggable'
      ...
      export default {
            components: {
                draggable,
            data() {
              return {
                drag: false,
    

    The item slot should be used to display items of the list. It receives the element value and the element index as slot-props.

    With transition-group:

    <draggable v-model="myArray" tag="transition-group" item-key="id">
      <template #item="{element}">
          <div> {{element.name}} </div>
      </template>
    </draggable>
    <draggable v-model="myArray" item-key="id">
      <template #item="{element}">
        <div> {{element.name}} </div>
      </template>
      <template #footer>
        <button @click="addPeople">Add</button>
      </template>
    </draggable>

    With header slot:

    <draggable v-model="myArray" item-key="id">
      <template #item="{element}">
        <div> {{element.name}} </div>
      </template>
      <template #header>
        <button @click="addPeople">Add</button>
      </template>
    </draggable>

    With Vuex:

    <draggable v-model='myList'>
    computed: {
        myList: {
            get() {
                return this.$store.state.myList
            set(value) {
                this.$store.commit('updateList', value)
    

    Migrate from vue 2 version:

    Breaking changes:

  • Use item slot instead of default to display elements
  • Provide a key for items using itemKey props
  • From:

    <!-- vue 2 version -->
    <draggable v-model="myArray">
       <div v-for="element in myArray" :key="element.id">{{element.name}}</div>
    </draggable>
    <draggable v-model="myArray" item-key="id">
      <template #item="{element}">
        <div>{{element.name}}</div>
       </template>
    </draggable>

    Breaking changes: 3) When using transition, you should now use the tag props and componentData to create the transition

    <!-- vue 2 version -->
    <draggable v-model="myArray">
        <transition-group name="fade">
            <div v-for="element in myArray" :key="element.id">
                {{element.name}}
            </div>
        </transition-group>
    </draggable>
    <draggable v-model="myArray" tag="transition-group" :component-data="{name:'fade'}">
      <template #item="{element}">
        <div>{{element.name}}</div>
      </template>
    </draggable>

    Props

    modelValue

    Type: Array
    Required: false
    Default: null

    Input array to draggable component. Typically same array as referenced by inner element v-for directive.
    This is the preferred way to use Vue.draggable as it is compatible with Vuex.
    It should not be used directly but only though the v-model directive:

    <draggable v-model="myArray">

    Type: Array
    Required: false
    Default: null

    Alternative to the modelValue prop, list is an array to be synchronized with drag-and-drop.
    The main difference is that list prop is updated by draggable component using splice method, whereas modelValue is immutable.
    Do not use in conjunction with modelValue prop.

    itemKey

    Type: String or Function
    Required: true

    The property to be used as the element key. Alternatively a function receiving an element of the list and returning its key.

    All sortable options

    Sortable options can be set directly as vue.draggable props since version 2.19.

    This means that all sortable option are valid sortable props with the notable exception of all the method starting by "on" as draggable component expose the same API via events.

    kebab-case property are supported: for example ghost-class props will be converted to ghostClass sortable option.

    Example setting handle, sortable and a group option:

    <draggable
            v-model="list"
            handle=".handle"
            :group="{ name: 'people', pull: 'clone', put: false }"
            ghost-class="ghost"
            :sort="false"
            @change="log"
          <!-- -->
    </draggable>

    Type: String
    Default: 'div'

    HTML node type of the element that draggable component create as outer element for the included slot.
    It is also possible to pass the name of vue component as element. In this case, draggable attribute will be passed to the create component.
    See also componentData if you need to set props or event to the created component.

    clone

    Type: Function
    Required: false
    Default: (original) => { return original;}

    Function called on the source component to clone element when clone option is true. The unique argument is the viewModel element to be cloned and the returned value is its cloned version.
    By default vue.draggable reuses the viewModel element, so you have to use this hook if you want to clone or deep clone it.

    Type: Function
    Required: false
    Default: null

    If not null this function will be called in a similar way as Sortable onMove callback. Returning false will cancel the drag operation.

    function onMoveCallback(evt, originalEvent){
        // return false; — for cancel
    

    evt object has same property as Sortable onMove event, and 3 additional properties:

  • draggedContext: context linked to dragged element
  • index: dragged element index
  • element: dragged element underlying view model element
  • futureIndex: potential index of the dragged element if the drop operation is accepted
  • relatedContext: context linked to current drag operation
  • index: target element index
  • element: target element view model element
  • list: target list
  • component: target VueComponent
  • HTML:

    <draggable :list="list" :move="checkMove">

    javascript:

    checkMove: function(evt){
        return (evt.draggedContext.element.name!=='apple');
    

    See complete example: Cancel.html, cancel.js

    componentData

    Type: Object
    Required: false
    Default: null

    This props is used to pass additional information to child component declared by tag props.
    Value: an object corresponding to the attributes, props and events we would pass to the component.

    Example (using element UI library):

    <draggable tag="el-collapse" :list="list" :component-data="getComponentData()" item-key="name">
      <template #item="{element}">
        <el-collapse-item :title="element.title" :name="element.name">
            <div>{{element.description}}</div> 
         </el-collapse-item>
      </template>
    </draggable>
    methods: {
        handleChange() {
          console.log('changed');
        inputChanged(value) {
          this.activeNames = value;
        getComponentData() {
          return {
            onChange: this.handleChange,
            onInput: this.inputChanged,
            wrap: true,
            value: this.activeNames
    

    Events

    Support for Sortable events:

    start, add, remove, update, end, choose, unchoose, sort, filter, clone
    Events are called whenever onStart, onAdd, onRemove, onUpdate, onEnd, onChoose, onUnchoose, onSort, onClone are fired by Sortable.js with the same argument.
    See here for reference

    Note that SortableJS OnMove callback is mapped with the move prop

    HTML:

    <draggable :list="list" @end="onEnd">

    change event

    change event is triggered when list prop is not null and the corresponding array is altered due to drag-and-drop operation.
    This event is called with one argument containing one of the following properties:

  • added: contains information of an element added to the array
  • newIndex: the index of the added element
  • element: the added element
  • removed: contains information of an element removed from to the array
  • oldIndex: the index of the element before remove
  • element: the removed element
  • moved: contains information of an element moved within the array
  • newIndex: the current index of the moved element
  • oldIndex: the old index of the moved element
  • element: the moved element
  • Slots

    The item slot is used to display one element of the list. Vue.draggable will iterate the list and call this slot for each element.

    Slot props:

  • element the element in the list
  • index the element index
  • It is the only required slot.

    <draggable v-model="myArray" item-key="id">
      <template #item="{element, index}">
        <div> {{index}} - {{element.name}} </div>
      </template>
    </draggable>

    Header

    Use the header slot to add none-draggable element inside the vuedraggable component.

    <draggable v-model="myArray" item-key="id">
      <template #item="{element}">
        <div> {{element.name}} </div>
      </template>
      <template #header>
        <button @click="addPeople">Add</button>
      </template>
    </draggable>

    Use the footer slot to add none-draggable element inside the vuedraggable component.

    <draggable v-model="myArray" item-key="id">
      <template #item="{element}">
        <div> {{element.name}} </div>
      </template>
      <template #footer>
        <button @click="addPeople">Add</button>
      </template>
    </draggable>

    Example

  • Clone
  • Handle
  • Transition
  • Nested
  • Table
  •