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src/components/DndList/index.vue 3.62 KB
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  <template>
    <div class="dndList">
      <div :style="{width:width1}" class="dndList-list">
        <h3>{{ list1Title }}</h3>
        <draggable :set-data="setData" :list="list1" group="article" class="dragArea">
          <div v-for="element in list1" :key="element.id" class="list-complete-item">
            <div class="list-complete-item-handle">
              {{ element.id }}[{{ element.author }}] {{ element.title }}
            </div>
            <div style="position:absolute;right:0px;">
              <span style="float: right ;margin-top: -20px;margin-right:5px;" @click="deleteEle(element)">
                <i style="color:#ff4949" class="el-icon-delete" />
              </span>
            </div>
          </div>
        </draggable>
      </div>
      <div :style="{width:width2}" class="dndList-list">
        <h3>{{ list2Title }}</h3>
        <draggable :list="list2" group="article" class="dragArea">
          <div v-for="element in list2" :key="element.id" class="list-complete-item">
            <div class="list-complete-item-handle2" @click="pushEle(element)">
              {{ element.id }} [{{ element.author }}] {{ element.title }}
            </div>
          </div>
        </draggable>
      </div>
    </div>
  </template>
  
  <script>
  import draggable from 'vuedraggable'
  
  export default {
    name: 'DndList',
    components: { draggable },
    props: {
      list1: {
        type: Array,
        default() {
          return []
        }
      },
      list2: {
        type: Array,
        default() {
          return []
        }
      },
      list1Title: {
        type: String,
        default: 'list1'
      },
      list2Title: {
        type: String,
        default: 'list2'
      },
      width1: {
        type: String,
        default: '48%'
      },
      width2: {
        type: String,
        default: '48%'
      }
    },
    methods: {
      isNotInList1(v) {
        return this.list1.every(k => v.id !== k.id)
      },
      isNotInList2(v) {
        return this.list2.every(k => v.id !== k.id)
      },
      deleteEle(ele) {
        for (const item of this.list1) {
          if (item.id === ele.id) {
            const index = this.list1.indexOf(item)
            this.list1.splice(index, 1)
            break
          }
        }
        if (this.isNotInList2(ele)) {
          this.list2.unshift(ele)
        }
      },
      pushEle(ele) {
        for (const item of this.list2) {
          if (item.id === ele.id) {
            const index = this.list2.indexOf(item)
            this.list2.splice(index, 1)
            break
          }
        }
        if (this.isNotInList1(ele)) {
          this.list1.push(ele)
        }
      },
      setData(dataTransfer) {
        // to avoid Firefox bug
        // Detail see : https://github.com/RubaXa/Sortable/issues/1012
        dataTransfer.setData('Text', '')
      }
    }
  }
  </script>
  
  <style lang="scss" scoped>
  .dndList {
    background: #fff;
    padding-bottom: 40px;
    &:after {
      content: "";
      display: table;
      clear: both;
    }
    .dndList-list {
      float: left;
      padding-bottom: 30px;
      &:first-of-type {
        margin-right: 2%;
      }
      .dragArea {
        margin-top: 15px;
        min-height: 50px;
        padding-bottom: 30px;
      }
    }
  }
  
  .list-complete-item {
    cursor: pointer;
    position: relative;
    font-size: 14px;
    padding: 5px 12px;
    margin-top: 4px;
    border: 1px solid #bfcbd9;
    transition: all 1s;
  }
  
  .list-complete-item-handle {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 50px;
  }
  
  .list-complete-item-handle2 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 20px;
  }
  
  .list-complete-item.sortable-chosen {
    background: #4AB7BD;
  }
  
  .list-complete-item.sortable-ghost {
    background: #30B08F;
  }
  
  .list-complete-enter,
  .list-complete-leave-active {
    opacity: 0;
  }
  </style>