Free Trial Buy
    Your search did not match any results.
    File Manager

    Custom Thumbnails

    Documentation

    The FileManager widget allows you to provide custom thumbnails. Handle the customizeThumbnail event to specify how the widget presents files in folders.

    See more Hide details
    Prev Demo Next Demo

    jQuery

    ASP.NET Core

    ASP.NET MVC

    Copy to CodePen
    Apply
    Reset
    $(function () { $("#file-manager").dxFileManager({ name: "fileManager", fileProvider: fileSystem, itemView: { mode: "thumbnails" }, height: 450, permissions: { create: true, copy: true, move: true, remove: true, rename: true }, customizeThumbnail: function (fileManagerItem) { if (fileManagerItem.isDirectory) return "../../../../images/thumbnails/folder.svg"; var fileExtension = fileManagerItem.getExtension(); switch (fileExtension) { case ".txt": return "../../../../images/thumbnails/doc-txt.svg"; break; case ".rtf": return "../../../../images/thumbnails/doc-rtf.svg"; break; case ".xml": return "../../../../images/thumbnails/doc-xml.svg"; break; } } }); });
    <!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" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.5/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.5/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/19.1.5/js/dx.all.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="data.js"></script> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="file-manager"></div> </div> </body> </html>
    .dx-filemanager-details-item-thumbnail { height: 18px; width: 18px; }
    var fileSystem = [ { name: "Documents", isDirectory: true, items: [ { name: "Projects", isDirectory: true, items: [ { name: "About.rtf", isDirectory: false, size: 1024 }, { name: "Passwords.rtf", isDirectory: false, 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, items: [ { name: "logo.png", isDirectory: false, size: 20480 }, { name: "banner.gif", isDirectory: false, size: 10240 } ] }, { name: "System", isDirectory: true, items: [ { name: "Employees.txt", isDirectory: false, size: 3072 }, { name: "PasswordList.txt", isDirectory: false, size: 5120 } ] }, { name: "Description.rtf", isDirectory: false, size: 1024 }, { name: "Description.txt", isDirectory: false, size: 2048 } ];