diff --git a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
index e704f15..1ac0050 100644
--- a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
+++ b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
@@ -3,6 +3,7 @@ package org.gcube.portlets.user.td.toolboxwidget.client;
 import org.gcube.portlets.user.td.columnwidget.client.ChangeColumnTypePanel;
 import org.gcube.portlets.user.td.columnwidget.client.DeleteColumnPanel;
 import org.gcube.portlets.user.td.columnwidget.client.LabelColumnPanel;
+import org.gcube.portlets.user.td.informationwidget.client.ChangeTableTypePanel;
 import org.gcube.portlets.user.td.informationwidget.client.TabularResourceProperties;
 import org.gcube.portlets.user.td.toolboxwidget.client.help.HelpPanel;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
@@ -29,6 +30,7 @@ public class ToolBox extends TabPanel {
 	protected ChangeColumnTypePanel changeColumnTypePanel;
 	protected DeleteColumnPanel deleteColumnPanel;
 	protected LabelColumnPanel labelColumnPanel;
+	protected ChangeTableTypePanel changeTableTypePanel;
 	
 	// protected TdTaskController tdTaskController;
 	// protected DialogBox tdTaskMainWindow;
@@ -104,6 +106,18 @@ public class ToolBox extends TabPanel {
 
 	}
 	
+	public void openChangeTableTypeTab(TRId trId) {
+		Log.debug("Open Change Table Type Tab");
+		if (changeTableTypePanel == null) {
+			addChangeTableTypePanel(trId);
+		} else {
+			changeTableTypePanel.update(trId);
+		}
+		setActiveWidget(changeTableTypePanel);
+
+	}
+	
+	
 	
 	public void closePropertiesTabs() {
 		Log.debug("Close Properties Tab");
@@ -137,6 +151,14 @@ public class ToolBox extends TabPanel {
 			labelColumnPanel = null;
 		}
 	}
+	
+	public void closeChangeTableTypePanel() {
+		Log.debug("Close ChangeTableTypePanel Tab");
+		if (changeTableTypePanel != null) {
+			remove(changeTableTypePanel);
+			changeTableTypePanel = null;
+		}
+	}
 
 	
 	public void updateTabs() {
@@ -156,6 +178,11 @@ public class ToolBox extends TabPanel {
 			remove(labelColumnPanel);
 			labelColumnPanel = null;
 		}
+		if (changeTableTypePanel != null) {
+			remove(changeTableTypePanel);
+			changeTableTypePanel = null;
+		}
+		
 		
 
 	}
@@ -255,6 +282,29 @@ public class ToolBox extends TabPanel {
 
 		});
 	};
+	
+	protected void addChangeTableTypePanel(TRId trId) {
+		TabItemConfig changeTableTypeItemConf = new TabItemConfig(
+				"Table Type", true);
+
+		changeTableTypePanel = new ChangeTableTypePanel(trId,
+				eventBus);
+		add(changeTableTypePanel, changeTableTypeItemConf);
+
+		addBeforeCloseHandler(new BeforeCloseHandler<Widget>() {
+
+			public void onBeforeClose(BeforeCloseEvent<Widget> event) {
+				if (changeTableTypePanel == event.getItem()) {
+					remove(changeTableTypePanel);
+					changeTableTypePanel = null;
+
+				}
+
+			}
+
+		});
+	};
+	
 
 	
 	
diff --git a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
index 1bf4c13..3580f6e 100644
--- a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
@@ -122,7 +122,9 @@ public class ToolBoxPanel extends ContentPanel {
 		case LABELCOLUNPANEL:
 			doLabelColumnTab(event);
 			break;	
-			
+		case CHANGETABLETYPEPANEL:
+			doChangeTableTypeTab(event);
+			break;		
 		default:
 			break;
 		
@@ -181,6 +183,24 @@ public class ToolBoxPanel extends ContentPanel {
 	}
 	
 	
+	protected void doChangeTableTypeTab(WidgetRequestEvent event){
+		Log.debug("WidgetRequestEvent.ChangeTableTypePanel : ["+event.getTrId()+"]");
+		if (uiStateType == UIStateType.TR_OPEN) {
+			if (state == ToolBoxPanelState.OPENED) {
+				toolBox.openChangeTableTypeTab(event.getTrId());
+				Log.debug("ToolBoxPanelSTate.OPENED Add Tabs");
+			} else {
+				enable();
+				expand();
+				state = ToolBoxPanelState.OPENED;
+				toolBox.openChangeTableTypeTab(event.getTrId());
+			}
+		} else {
+			Log.debug("ToolBoxPanel No table open");
+		}
+	}
+	
+	
 	
 	protected void doPropertiesOpenTab(){
 		if (uiStateType == UIStateType.TR_OPEN) {
@@ -219,6 +239,7 @@ public class ToolBoxPanel extends ContentPanel {
 		toolBox.closeChangeColumnTypePanel();
 		toolBox.closeDeleteColumnPanel();
 		toolBox.closeLabelColumnPanel();
+		toolBox.closeChangeTableTypePanel();
 		Log.debug("ToolBoxPanel Closed");
 	}