import Vue from 'vue'
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// 导入组件
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import CopyFileDialog from './Dialog.vue'
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// 使用基础 Vue 构造器，创建一个“子类”
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const CopyFileConstructor = Vue.extend(CopyFileDialog)
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let copyFileInstance = null
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/**
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* 初始化复制文件实例
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* @param {boolean} isBatchOperation 是否为批量
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* @param {object | array} fileInfo 要复制的文件信息
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*/
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const initInstanceCopyFile = (isBatchOperation, fileInfo) => {
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copyFileInstance = new CopyFileConstructor({
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el: document.createElement('div'),
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data() {
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return {
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isBatchOperation,
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fileInfo
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}
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}
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})
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}
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/**
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* 复制文件 Promise 函数
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* @returns {Promise} 抛出确认和取消回调函数
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*/
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const showCopyFileDialog = (obj) => {
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// 非首次调用服务时，在 DOM 中移除上个实例
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if (copyFileInstance !== null) {
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document.body.removeChild(copyFileInstance.$el)
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}
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let { isBatchOperation, fileInfo } = obj
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return new Promise((reslove) => {
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initInstanceCopyFile(isBatchOperation, fileInfo)
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copyFileInstance.callback = (res) => {
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reslove(res)
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// 服务取消时卸载 DOM
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if (res === 'cancel' && copyFileInstance !== null) {
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document.body.removeChild(copyFileInstance.$el)
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copyFileInstance = null
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}
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}
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document.body.appendChild(copyFileInstance.$el) // 挂载 DOM
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Vue.nextTick(() => {
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copyFileInstance.visible = true // 打开对话框
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})
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})
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}
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export default showCopyFileDialog
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