diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
index e0eeb67..2dd2e8e 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
@@ -113,7 +113,7 @@ import org.gcube.portlets.user.workspace.shared.WorkspaceTrashOperation;
 import org.gcube.portlets.user.workspace.shared.WorkspaceUserQuote;
 import org.gcube.portlets.widgets.sessionchecker.client.CheckSession;
 import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener;
-import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.DNDFileReader;
+import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.MutlipleDNDUpload;
 import org.gcube.portlets.widgets.wsmail.client.forms.MailForm;
 
 import com.extjs.gxt.ui.client.widget.LayoutContainer;
@@ -1193,7 +1193,7 @@ public class AppController implements SubscriberInterface {
 
 			this.wsPortlet = new WorskpacePortlet(this.appContrExplorer.getPanel(true, false, !isSearch), instanceWithGrouping);
 			
-			final DNDFileReader dnd = this.wsPortlet.getDND();
+			final MutlipleDNDUpload dnd = this.wsPortlet.getDND();
 			
 			WorskpaceUploadNotificationListener listener = new WorskpaceUploadNotificationListener() {
 				
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/WorskpacePortlet.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/WorskpacePortlet.java
index 497df30..a6d2195 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/WorskpacePortlet.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/WorskpacePortlet.java
@@ -1,6 +1,5 @@
 package org.gcube.portlets.user.workspace.client.view;
 
-import org.gcube.portlets.user.workspace.client.event.CompletedFileUploadEvent;
 import org.gcube.portlets.user.workspace.client.view.grids.GxtGridFilterGroupPanel;
 import org.gcube.portlets.user.workspace.client.view.panels.GxtBasicTabPanel;
 import org.gcube.portlets.user.workspace.client.view.panels.GxtBorderLayoutPanel;
@@ -8,10 +7,7 @@ import org.gcube.portlets.user.workspace.client.view.panels.GxtCardLayoutResultP
 import org.gcube.portlets.user.workspace.client.view.panels.GxtSeachAndFilterPanel;
 import org.gcube.portlets.user.workspace.client.view.toolbars.GxtBottomToolBarItem;
 import org.gcube.portlets.user.workspace.client.view.toolbars.GxtBreadcrumbPathPanel;
-import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener;
-import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.DNDFileReader;
-
-import com.google.gwt.core.client.GWT;
+import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.MutlipleDNDUpload;
 
 
 /**
@@ -30,7 +26,7 @@ public class WorskpacePortlet {
 	private GxtGridFilterGroupPanel gridFilterGroupContainer;
 	private GxtSeachAndFilterPanel searchAndFilterContainer;
 	private GxtCardLayoutResultPanel gxtCardLayoutResultPanel;
-	private DNDFileReader dnd;
+	private MutlipleDNDUpload dnd;
 
 	public WorskpacePortlet(boolean activeGroup) {
 
@@ -48,7 +44,7 @@ public class WorskpacePortlet {
 	public WorskpacePortlet(ExplorerPanel expPanel, boolean activeGroup) {
 		this(activeGroup);
 		this.explorerPanel = expPanel;
-		this.dnd = new DNDFileReader();
+		this.dnd = new MutlipleDNDUpload();
 		this.borderLayoutContainer = new GxtBorderLayoutPanel(this.searchAndFilterContainer, this.explorerPanel, this.gxtCardLayoutResultPanel, this.toolBarItemDetails, this.dnd);
 	}
 
@@ -92,7 +88,7 @@ public class WorskpacePortlet {
 	/**
 	 * @return the dnd
 	 */
-	public DNDFileReader getDND() {
+	public MutlipleDNDUpload getDND() {
 		return dnd;
 	}
 }
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/panels/GxtBorderLayoutPanel.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/panels/GxtBorderLayoutPanel.java
index 62423d4..11586f0 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/panels/GxtBorderLayoutPanel.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/panels/GxtBorderLayoutPanel.java
@@ -3,9 +3,8 @@ package org.gcube.portlets.user.workspace.client.view.panels;
 import org.gcube.portlets.user.workspace.client.ConstantsPortlet;
 import org.gcube.portlets.user.workspace.client.view.ExplorerPanel;
 import org.gcube.portlets.user.workspace.client.view.toolbars.GxtBottomToolBarItem;
-import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener;
 import org.gcube.portlets.widgets.workspaceuploader.client.uploader.DialogUpload.UPLOAD_TYPE;
-import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.DNDFileReader;
+import org.gcube.portlets.widgets.workspaceuploader.client.uploader.dragdrop.MutlipleDNDUpload;
 
 import com.extjs.gxt.ui.client.Style.LayoutRegion;
 import com.extjs.gxt.ui.client.Style.Scroll;
@@ -18,7 +17,6 @@ import com.extjs.gxt.ui.client.widget.ContentPanel;
 import com.extjs.gxt.ui.client.widget.layout.BorderLayout;
 import com.extjs.gxt.ui.client.widget.layout.BorderLayoutData;
 import com.extjs.gxt.ui.client.widget.layout.FitLayout;
-import com.google.gwt.core.shared.GWT;
 import com.google.gwt.user.client.Random;
 
 
@@ -36,14 +34,14 @@ public class GxtBorderLayoutPanel extends ContentPanel {
 	private ExplorerPanel expPanel = null; //TODO change position
 	private GxtSeachAndFilterPanel searchAndFilterContainer;
 	private GxtCardLayoutResultPanel gxtCardLayoutResultPanel;
-	private DNDFileReader dnd;
+	private MutlipleDNDUpload dnd;
 
 	
 	public GxtBorderLayoutPanel(
 			GxtSeachAndFilterPanel searchAndFilterContainer2,
 			ExplorerPanel explorerPanel,
 			GxtCardLayoutResultPanel gxtCardLayoutResultPanel,
-			GxtBottomToolBarItem detailsContainer2, DNDFileReader dnd) {
+			GxtBottomToolBarItem detailsContainer2, MutlipleDNDUpload dnd) {
 		
 		this.searchAndFilterContainer = searchAndFilterContainer2;
 		this.expPanel = explorerPanel;