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File Manager

Entity Framework ORM

The FileManager widget allows you to manage file system items that use the Entity Framework ORM to link to a database. You can use the Remote File System Provider to connect to the file system on the client side. To process the widget's HTTP requests on the server, create your own file system provider, which implements the IFileSystemItemLoader and IFileSystemItemEditor interfaces.

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import React from 'react'; import FileManager, { Permissions, ItemView, Details, Column } from 'devextreme-react/file-manager'; import RemoteFileSystemProvider from 'devextreme/file_management/remote_provider'; const remoteProvider = new RemoteFileSystemProvider({ endpointUrl: 'https://js.devexpress.com/Demos/Mvc/api/file-manager-db' }); const allowedFileExtensions = []; class App extends React.Component { constructor(props) { super(props); this.state = { currentPath: 'Documents/Reports' }; this.onCurrentDirectoryChanged = this.onCurrentDirectoryChanged.bind(this); } onCurrentDirectoryChanged(e) { this.setState({ currentPath: e.component.option('currentPath') }); } render() { return ( <FileManager currentPath={this.state.currentPath} fileSystemProvider={remoteProvider} allowedFileExtensions={allowedFileExtensions} height={550} onCurrentDirectoryChanged={this.onCurrentDirectoryChanged}> <Permissions create={true} copy={true} move={true} delete={true} rename={true}> </Permissions> <ItemView> <Details> <Column dataField="thumbnail"></Column> <Column dataField="name"></Column> <Column dataField="dateModified" caption="Modified"></Column> <Column dataField="created" caption="Created" dataType="date"></Column> <Column dataField="modifiedBy" caption="Modified By" visibleIndex="2"></Column> </Details> </ItemView> </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/20.1.8/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.8/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.8/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', meta: { }, 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@20.1', 'devextreme-react': 'npm:devextreme-react@20.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram@1.0.17', 'devexpress-gantt': 'npm:devexpress-gantt@1.0.10', // 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' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, }, babelOptions: { sourceMaps: false, stage0: true, react: true } });