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File Manager

Physical File System

Documentation

The File Manager widget can work with a file system located on the server. To connect the widget with the file system items, assign the Remote File Provider to the fileProvider option. Pass the endpoint url to the remote file provider object to specify the Url at which the widget can access the file system items.

Configure the built-in server-side helper methods to process the FileManager widget's AJAX requests on the ASP.NET MVC and ASP.NET Core backend.

  1. Create an instance of the FileSystemConfiguration class to create a file provider and configure its interaction with file system items.
  2. Use the FileSystemProvider property to specify a file system provider. For a physical file system, configure a file provider of the DefaultFileProvider type.
  3. Use the FileSystemCommandProcessor class to process commands and request parameters that the widget passes to the file system.

This demo contains commented out code lines that enable file modification operations. You can uncomment them and configure if necessary.

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import React from 'react'; import FileManager, { Permissions } from 'devextreme-react/file-manager'; import RemoteFileProvider from 'devextreme/ui/file_manager/file_provider/remote'; const remoteFileProvider = new RemoteFileProvider({ endpointUrl: 'https://js.devexpress.com/Demos/Mvc/api/file-manager-file-system-scripts' }); const allowedFileExtensions = ['.js', '.json', '.css']; class App extends React.Component { render() { return ( <FileManager fileProvider={remoteFileProvider} allowedFileExtensions={allowedFileExtensions}> {/* uncomment the code below to enable file/directory management */} <Permissions // create={true} // copy={true} // move={true} // remove={true} // rename={true} // upload={true} download={true}> </Permissions> </FileManager> ); } } export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render( <App />, document.getElementById('app') );
<!DOCTYPE html> <html> <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/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx-gantt.min.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import('./index.js'); </script> <link rel="stylesheet" type="text/css" href="styles.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, defaultExtension: 'js', map: { 'react': 'npm:react@16/umd/react.development.js', 'react-dom': 'npm:react-dom@16/umd/react-dom.development.js', 'prop-types': 'npm:prop-types/prop-types.js', 'devextreme': 'npm:devextreme@19.2', 'devextreme-react': 'npm:devextreme-react@19.2', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', // SystemJS plugins 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, packages: { 'devextreme': { defaultExtension: 'js' }, 'devextreme-react': { main: 'index.js' } }, babelOptions: { sourceMaps: false, stage0: true, react: true } });