import Vue from 'vue'
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// 导入组件
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import RenameFileDialog 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 RenameFileConstructor = Vue.extend(RenameFileDialog)
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let renameFileInstance = null
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/**
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* 初始化重命名文件实例
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* @param {string} oldFileName 文件原本的名称
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* @param {string} userFileId 文件 ID
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*/
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const initInstanceRenameFile = (oldFileName, userFileId) => {
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renameFileInstance = new RenameFileConstructor({
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el: document.createElement('div'),
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data() {
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return {
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oldFileName,
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userFileId
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}
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}
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})
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}
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/**
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* 重命名文件 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 showRenameFileDialog = (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 (renameFileInstance !== null) {
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document.body.removeChild(renameFileInstance.$el)
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}
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let { oldFileName, userFileId } = obj
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return new Promise((reslove) => {
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initInstanceRenameFile(oldFileName, userFileId)
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renameFileInstance.callback = (res) => {
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reslove(res)
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// 服务取消时卸载 DOM
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if (res === 'cancel' && renameFileInstance !== null) {
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document.body.removeChild(renameFileInstance.$el)
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renameFileInstance = null
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}
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}
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document.body.appendChild(renameFileInstance.$el) // 挂载 DOM
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Vue.nextTick(() => {
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renameFileInstance.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 showRenameFileDialog
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