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File Manager

Toolbar and Context Menu

The FileManager component provides the following UI customization properties:

  • The toolbar property specifies the toolbar's visibility and available commands.
  • The contextMenu property specifies the context menu's availability and its commands.

The toolbar and context menu support context-invariant and context-sensitive items that can be visible or hidden depending on user action.

Backend API
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<dx-file-manager id="fileManager" [fileSystemProvider]="fileItems" (onContextMenuItemClick)="onItemClick($event)" height="450" > <dxo-permissions [create]="true" [delete]="true" [rename]="true" [download]="true" > </dxo-permissions> <dxo-item-view [showParentFolder]="false"> <dxo-details> <dxi-column dataField="thumbnail"></dxi-column> <dxi-column dataField="name"></dxi-column> <dxi-column dataField="category" caption="Category" width="95" ></dxi-column> <dxi-column dataField="dateModified"></dxi-column> <dxi-column dataField="size"></dxi-column> </dxo-details> </dxo-item-view> <dxo-toolbar> <dxi-item name="showNavPane" [visible]="true"></dxi-item> <dxi-item name="separator"></dxi-item> <dxi-item name="create"></dxi-item> <dxi-item widget="dxMenu" location="before" [options]="newFileMenuOptions" ></dxi-item> <dxi-item name="refresh"></dxi-item> <dxi-item name="separator" location="after"></dxi-item> <dxi-item name="switchView"></dxi-item> <dxi-file-selection-item name="rename"></dxi-file-selection-item> <dxi-file-selection-item name="separator"></dxi-file-selection-item> <dxi-file-selection-item name="delete"></dxi-file-selection-item> <dxi-file-selection-item name="separator"></dxi-file-selection-item> <dxi-file-selection-item widget="dxMenu" location="before" [options]="changeCategoryMenuOptions" ></dxi-file-selection-item> <dxi-file-selection-item name="refresh"></dxi-file-selection-item> <dxi-file-selection-item name="clearSelection"></dxi-file-selection-item> </dxo-toolbar> <dxo-context-menu> <dxi-item name="create"></dxi-item> <dxi-item text="Create new file" icon="plus"> <dxi-item text="Text Document" [options]="{ extension: '.txt' }" ></dxi-item> <dxi-item text="RTF Document" [options]="{ extension: '.rtf' }" ></dxi-item> <dxi-item text="Spreadsheet" [options]="{ extension: '.xls' }"></dxi-item> </dxi-item> <dxi-item name="rename" [beginGroup]="true"></dxi-item> <dxi-item name="delete"></dxi-item> <dxi-item text="Category" icon="tags" [beginGroup]="true"> <dxi-item text="Work" [options]="{ category: 'Work' }"></dxi-item> <dxi-item text="Important" [options]="{ category: 'Important' }" ></dxi-item> <dxi-item text="Home" [options]="{ category: 'Home' }"></dxi-item> <dxi-item text="None" [options]="{ category: '' }"></dxi-item> </dxi-item> <dxi-item name="refresh"></dxi-item> </dxo-context-menu> </dx-file-manager>
import { NgModule, Component, ViewChild, enableProdMode, } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxFileManagerModule, DxFileManagerComponent } from 'devextreme-angular'; import FileManager from 'devextreme/ui/file_manager'; import { Service, FileItem } from './app.service'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ styleUrls: ['app/app.component.css'], selector: 'demo-app', templateUrl: 'app/app.component.html', providers: [Service], preserveWhitespaces: true, }) export class AppComponent { @ViewChild(DxFileManagerComponent, { static: false }) fileManager: DxFileManagerComponent; fileItems: FileItem[]; newFileMenuOptions: any; changeCategoryMenuOptions: any; constructor(service: Service) { this.fileItems = service.getFileItems(); this.newFileMenuOptions = { items: [ { text: 'Create new file', icon: 'plus', items: [ { text: 'Text Document', options: { extension: '.txt', }, }, { text: 'RTF Document', options: { extension: '.rtf', }, }, { text: 'Spreadsheet', options: { extension: '.xls', }, }, ], }, ], onItemClick: this.onItemClick.bind(this), }; this.changeCategoryMenuOptions = { items: [ { text: 'Category', icon: 'tags', items: [ { text: 'Work', options: { category: 'Work', }, }, { text: 'Important', options: { category: 'Important', }, }, { text: 'Home', options: { category: 'Home', }, }, { text: 'None', options: { category: '', }, }, ], }, ], onItemClick: this.onItemClick.bind(this), }; this.onItemClick = this.onItemClick.bind(this); } onItemClick({ itemData, viewArea, fileSystemItem }) { let updated = false; const extension = itemData.options ? itemData.options.extension : undefined; const category = itemData.options ? itemData.options.category : undefined; if (extension) { updated = this.createFile(extension, fileSystemItem); } else if (category !== undefined) { updated = this.updateCategory(category, fileSystemItem, viewArea); } if (updated) { this.fileManager.instance.refresh(); } } createFile(fileExtension, directory) { const newItem = { __KEY__: Date.now(), name: `New file${fileExtension}`, isDirectory: false, size: 0, }; directory = directory || this.fileManager.instance.getCurrentDirectory(); if (!directory.isDirectory) { return false; } let array = null; if (!directory.dataItem) { array = this.fileItems; } else { array = directory.dataItem.items; if (!array) { directory.dataItem.items = array = []; } } array.push(newItem); return true; } updateCategory(newCategory, directory, viewArea) { let items = null; if (viewArea === 'navPane') { items = [directory]; } else { items = this.fileManager.instance.getSelectedItems(); } items.forEach((item) => { if (item.dataItem) { item.dataItem.category = newCategory; } }); return items.length > 0; } } @NgModule({ imports: [ BrowserModule, DxFileManagerModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
import { Injectable } from '@angular/core'; export class FileItem { name: string; isDirectory: boolean; category?: string; size?: number; items?: FileItem[]; } const fileItems: FileItem[] = [{ name: 'Documents', isDirectory: true, category: 'Work', items: [{ name: 'Projects', isDirectory: true, category: 'Work', items: [{ name: 'About.rtf', isDirectory: false, size: 1024, }, { name: 'Passwords.rtf', isDirectory: false, category: 'Important', size: 2048, }], }, { name: 'About.xml', isDirectory: false, size: 1024, }, { name: 'Managers.rtf', isDirectory: false, size: 2048, }, { name: 'ToDo.txt', isDirectory: false, size: 3072, }], }, { name: 'Images', isDirectory: true, category: 'Home', items: [{ name: 'logo.png', isDirectory: false, size: 20480, }, { name: 'banner.gif', isDirectory: false, size: 10240, }], }, { name: 'System', isDirectory: true, category: 'Important', items: [{ name: 'Employees.txt', isDirectory: false, category: 'Important', size: 3072, }, { name: 'PasswordList.txt', isDirectory: false, category: 'Important', size: 5120, }], }, { name: 'Description.rtf', isDirectory: false, size: 1024, }, { name: 'Description.txt', isDirectory: false, size: 2048, }]; @Injectable() export class Service { getFileItems(): FileItem[] { return fileItems; } }
// In real applications, you should not transpile code in the browser. // You can see how to create your own application with Angular and DevExtreme here: // https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, }, meta: { 'typescript': { 'exports': 'ts', }, 'devextreme/localization.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.5.3/lib/typescript.js', '@angular/core': 'npm:@angular/core@12.2.13', '@angular/platform-browser': 'npm:@angular/platform-browser@12.2.13', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@12.2.13', '@angular/forms': 'npm:@angular/forms@12.2.13', '@angular/common/http': 'npm:@angular/common@12.2.13/bundles/common-http.umd.js', '@angular/common': 'npm:@angular/common@12.2.13', '@angular/compiler': 'npm:@angular/compiler@12.2.13', 'tslib': 'npm:tslib@2.3.1/tslib.js', 'rxjs': 'npm:rxjs@6.4.0', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@21.2.3/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@21.2.3/bundles/dx.all.js', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.5/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.37', 'devexpress-gantt': 'npm:devexpress-gantt@3.1.24', 'devextreme-angular': 'npm:devextreme-angular@21.2.3', '@devextreme/vdom': 'npm:@devextreme/vdom@2.2.3', '@devextreme/runtime': 'npm:@devextreme/runtime@2.3.8', 'inferno': 'npm:inferno@7.4.10/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.10/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.10/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom@1.0.7/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.10/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.10/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.10/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.10/dist/inferno-extras.min.js', }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts', }, 'devextreme': { defaultExtension: 'js', }, '@devextreme/vdom': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@2.3.8/inferno/package.json', 'npm:@angular/*/package.json', 'npm:@angular/common/*/package.json', 'npm:rxjs@6.4.0/package.json', 'npm:rxjs@6.4.0/operators/package.json', 'npm:devextreme-angular/*/package.json', 'npm:devextreme-angular@21.2.3/ui/*/package.json', 'npm:devextreme-angular@21.2.3/package.json', 'npm:devexpress-diagram@2.1.37/package.json', 'npm:devexpress-gantt@3.1.24/package.json', ], }; System.config(window.config);
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.3/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.11.4/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script src="config.js"></script> <script> System.import("app").catch(console.error.bind(console)); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> </body> </html>