65 lines
1.5 KiB
Vue
65 lines
1.5 KiB
Vue
<template>
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<el-select ref="dragSelect" v-model="selectVal" v-bind="$attrs" class="drag-select" multiple v-on="$attrs">
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<slot />
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</el-select>
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</template>
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<script>
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import { defineComponent } from 'vue';
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import Sortable from 'sortablejs';
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export default defineComponent({
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name: 'DragSelect',
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props: {
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modelValue: {
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type: Array,
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required: true
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}
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},
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computed: {
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selectVal: {
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get() {
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return [...this.modelValue];
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},
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set(val) {
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this.$emit('update:modelValue', [...val]);
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}
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}
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},
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mounted() {
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this.setSort();
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},
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methods: {
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setSort() {
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const el = this.$refs.dragSelect.$el.querySelectorAll('.el-select__tags > span')[0];
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this.sortable = Sortable.create(el, {
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ghostClass: 'sortable-ghost', // Class name for the drop placeholder,
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setData: function(dataTransfer) {
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dataTransfer.setData('Text', '');
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// to avoid Firefox bug
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// Detail see : https://github.com/RubaXa/Sortable/issues/1012
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},
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onEnd: evt => {
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const theValue = this.modelValue;
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const targetRow = theValue.splice(evt.oldIndex, 1)[0];
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theValue.splice(evt.newIndex, 0, targetRow);
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}
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});
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}
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}
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});
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</script>
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<style lang="scss" scoped>
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.drag-select {
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:deep(.sortable-ghost) {
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opacity: .8;
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color: #fff !important;
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background: #42b983 !important;
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}
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:deep(.el-tag) {
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cursor: pointer;
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}
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}
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</style>
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