$(function() {
var fileManager = $("#file-manager").dxFileManager({
name: "fileManager",
fileSystemProvider: fileSystem,
height: 450,
permissions: {
create: true,
delete: true,
rename: true,
download: true
},
itemView: {
details: {
columns: [
"thumbnail", "name",
{
dataField: "category",
caption: "Category",
width: 95
},
"dateModified", "size"
]
},
showParentFolder: false
},
toolbar: {
items: [
{
name: "showNavPane",
visible: true
},
"separator", "create",
{
widget: "dxMenu",
location: "before",
options: {
items: [
{
text: "Create new file",
icon: "plus",
items: [
{
text: "Text Document",
extension: ".txt"
},
{
text: "RTF Document",
extension: ".rtf"
},
{
text: "Spreadsheet",
extension: ".xls"
}
]
}
],
onItemClick: onItemClick
}
},
"refresh",
{
name: "separator",
location: "after"
},
"switchView"
],
fileSelectionItems: [
"rename", "separator", "delete", "separator",
{
widget: "dxMenu",
options: {
items: [
{
text: "Category",
icon: "tags",
items: [
{
text: "Work",
category: "Work"
},
{
text: "Important",
category: "Important"
},
{
text: "Home",
category: "Home"
},
{
text: "None",
category: ""
}
]
}
],
onItemClick: onItemClick
},
location: "before"
},
"refresh", "clearSelection"
]
},
onContextMenuItemClick: onItemClick,
contextMenu: {
items: [
"create",
{
text: "Create new file",
icon: "plus",
items: [
{
text: "Text Document",
extension: ".txt"
},
{
text: "RTF Document",
extension: ".rtf"
},
{
text: "Spreadsheet",
extension: ".xls"
}
]
},
{
name: "rename",
beginGroup: true
},
"delete",
{
text: "Category",
icon: "tags",
items: [
{
text: "Work",
category: "Work"
},
{
text: "Important",
category: "Important"
},
{
text: "Home",
category: "Home"
},
{
text: "None",
category: ""
}
],
beginGroup: true
},
"refresh"
]
}
}).dxFileManager("instance");
function onItemClick(args) {
var updated = false;
if(args.itemData.extension) {
updated = createFile(args.itemData.extension, args.fileSystemItem);
} else if(args.itemData.category !== undefined) {
updated = updateCategory(args.itemData.category, args.fileSystemItem, args.viewArea);
}
if(updated) {
fileManager.refresh();
}
}
function createFile(fileExtension, directory) {
var newItem = {
__KEY__: Date.now(),
name: "New file" + fileExtension,
isDirectory: false,
size: 0
};
directory = directory || fileManager.getCurrentDirectory();
if(!directory.isDirectory) {
return false;
}
var array = null;
if(!directory.dataItem) {
array = fileSystem;
}
else {
array = directory.dataItem.items;
if(!array) {
directory.dataItem.items = array = [];
}
}
array.push(newItem);
return true;
}
function updateCategory(newCategory, directory, viewArea) {
var items = null;
if(viewArea === "navPane") {
items = [ directory ];
} else {
items = fileManager.getSelectedItems();
}
items.forEach(function(item) {
if(item.dataItem) {
item.dataItem.category = newCategory;
}
});
return items.length > 0;
}
});
<!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/3.5.1/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/20.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/20.2.4/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>
var fileSystem = [
{
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
}
];