How to add custom menu item in context menu

17 Feb 202212 minutes to read

The context menu can be customized using the contextMenuSettings,menuOpen, and menuClick events.

The following example shows adding a custom item in the context menu.

The menuOpen event is used to add the new menu item. The menuClick event is used to add event handler to the new menu item.

@{
    string[] files = new string[] { "Custom", "Open", "|", "Delete", "Download", "Rename", "|", "Details" };
    string[] folder = new string[] { "Custom", "Open", "|", "Delete", "Download", "Rename", "|", "Details" };
    string[] layout = new string[] { "Custom", "SortBy", "View", "Refresh", "|", "NewFolder", "Upload", "|", "Details", "|", "SelectAll" };
}
<div class=" control-section">
    <div class="sample-container">
        <!--  Filemanager element declaration -->
        <ejs-filemanager id="file" menuOpen="menuOpen" menuClick="menuClick">
            <e-filemanager-ajaxsettings url="/Home/FileOperations"
                                        downloadUrl="/Home/Download"
                                        uploadUrl="/Home/Upload"
                                        getImageUrl="/Home/GetImage">
            </e-filemanager-ajaxsettings>
            <e-filemanager-contextmenusettings file="files" folder="folder" layout="layout">
            </e-filemanager-contextmenusettings>
        </ejs-filemanager>
        <!-- end of filemanager element -->
    </div>
</div>
<script>
// Icon added to custom menu item
function menuOpen(args) {
    for (var i = 0; i < args.items.length; i++) {
        if (args.items[i].id === this.element.id + '_cm_custom') {
            args.items[i].iconCss = 'e-icons e-fe-tick';
        }
    }
}

// event for custom menu item
function menuClick(args) {
    if (args.item.text === 'Custom') {
        alert('You have clicked custom menu item')
    }
}
</script>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
//File Manager's base functions are available in the below package
using Syncfusion.EJ2.FileManager.Base;
//File Manager's operations are available in the below package
using Syncfusion.EJ2.FileManager.PhysicalFileProvider;
using Newtonsoft.Json;
// Use the package for hosting
using System.Web.Hosting;


namespace WebApplication.Controllers
{
    public class HomeController : Controller
    {
        // Accessing the File Operations from File Manager package
        PhysicalFileProvider operation = new PhysicalFileProvider();
        public HomeController()
        {
            // Map the path of the files to be accessed with the host
            var path = HostingEnvironment.MapPath("~/Content/Files");
            // Assign the mapped path as root folder
            operation.RootFolder(path);
        }
        public ActionResult FileOperations(FileManagerDirectoryContent args)
        {
            // Processing the File Manager operations
            switch (args.Action)
            {
                case "read":
                    // Path - Current path; ShowHiddenItems - Boolean value to show/hide hidden items
                    return Json(operation.ToCamelCase(operation.GetFiles(args.Path, args.ShowHiddenItems)));
                case "delete":
                    // Path - Current path where of the folder to be deleted; Names - Name of the files to be deleted
                    return Json(operation.ToCamelCase(operation.Delete(args.Path, args.Names)));
                case "copy":
                    //  Path - Path from where the file was copied; TargetPath - Path where the file/folder is to be copied; RenameFiles - Files with same name in the copied location that is confirmed for renaming; TargetData - Data of the copied file
                    return Json(operation.ToCamelCase(operation.Copy(args.Path, args.TargetPath, args.Names, args.RenameFiles, args.TargetData)));
                case "move":
                    // Path - Path from where the file was cut; TargetPath - Path where the file/folder is to be moved; RenameFiles - Files with same name in the moved location that is confirmed for renaming; TargetData - Data of the moved file
                    return Json(operation.ToCamelCase(operation.Move(args.Path, args.TargetPath, args.Names, args.RenameFiles, args.TargetData)));
                case "details":
                    if (args.Names == null)
                    {
                        args.Names = new string[] { };
                    }
                    // Path - Current path where details of file/folder is requested; Name - Names of the requested folders
                    return Json(operation.ToCamelCase(operation.Details(args.Path, args.Names)));
                case "create":
                    // Path - Current path where the folder is to be created; Name - Name of the new folder
                    return Json(operation.ToCamelCase(operation.Create(args.Path, args.Name)));
                case "search":
                    // Path - Current path where the search is performed; SearchString - String typed in the searchbox; CaseSensitive - Boolean value which specifies whether the search must be casesensitive
                    return Json(operation.ToCamelCase(operation.Search(args.Path, args.SearchString, args.ShowHiddenItems, args.CaseSensitive)));
                case "rename":
                    // Path - Current path of the renamed file; Name - Old file name; NewName - New file name
                    return Json(operation.ToCamelCase(operation.Rename(args.Path, args.Name, args.NewName)));
            }
            return null;
        }

        // Processing the Upload operation
        public ActionResult Upload(string path, IList<System.Web.HttpPostedFileBase> uploadFiles, string action)
        {
            FileManagerResponse uploadResponse;
            //Invoking upload operation with the required paramaters
            // path - Current path where the file is to uploaded; uploadFiles - Files to be uploaded; action - name of the operation(upload)
            uploadResponse = operation.Upload(path, uploadFiles, action, null);

            return Content("");
        }
        // Processing the Download operation
        public ActionResult Download(string downloadInput)
        {
            FileManagerDirectoryContent args = JsonConvert.DeserializeObject<FileManagerDirectoryContent>(downloadInput);
            //Invoking download operation with the required paramaters
            // path - Current path where the file is downloaded; Names - Files to be downloaded;
            return operation.Download(args.Path, args.Names);
        }
        // Processing the GetImage operation
        public ActionResult GetImage(FileManagerDirectoryContent args)
        {
            //Invoking GetImage operation with the required paramaters
            // path - Current path of the image file; Id - Image file id;
            return operation.GetImage(args.Path, args.Id, false, null, null);
        }
        public ActionResult Index()
        {
            return View();
        }
    }
}

Output be like the below.

FileManager adding custom item in context menu