diff --git a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/validation/ValidationsTasksPanel.java b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/validation/ValidationsTasksPanel.java
index f4d8179..2f4edce 100644
--- a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/validation/ValidationsTasksPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/validation/ValidationsTasksPanel.java
@@ -92,14 +92,19 @@ public class ValidationsTasksPanel extends FramedPanel implements
 	protected TreeDataGenerator gen;
 	protected TreeStore<BaseDto> store;
 	protected TreeGrid<BaseDto> tree;
-
+	
+	
 	class KeyProvider implements ModelKeyProvider<BaseDto> {
 		@Override
 		public String getKey(BaseDto item) {
 			return (item instanceof FolderDto ? "f-" : "v-") + item.getId();
 		}
 	}
-
+	
+	/**
+	 * 
+	 * @param eventBus
+	 */
 	public ValidationsTasksPanel(EventBus eventBus) {
 		super();
 		Log.debug("ValidationsTasksPanel");
@@ -109,7 +114,12 @@ public class ValidationsTasksPanel extends FramedPanel implements
 		retrieveCurrentTR();
 
 	}
-
+	
+	/**
+	 * 
+	 * @param trId
+	 * @param eventBus
+	 */
 	public ValidationsTasksPanel(TRId trId, EventBus eventBus) {
 		super();
 		Log.debug("ValidationsTasksPanel: " + trId);
@@ -143,7 +153,6 @@ public class ValidationsTasksPanel extends FramedPanel implements
 	protected void create() {
 		con = new VerticalLayoutContainer();
 		con.setScrollMode(ScrollMode.AUTO);
-		
 
 		store = new TreeStore<BaseDto>(new KeyProvider());
 
@@ -169,8 +178,6 @@ public class ValidationsTasksPanel extends FramedPanel implements
 			}
 		});
 
-		
-
 		ColumnConfig<BaseDto, Boolean> cc2 = new ColumnConfig<BaseDto, Boolean>(
 				new ValueProvider<BaseDto, Boolean>() {
 
@@ -199,15 +206,6 @@ public class ValidationsTasksPanel extends FramedPanel implements
 		validationButton.setFalseIcon(ResourceBundle.INSTANCE.error());
 		validationButton.setTrueTitle("Valid");
 		validationButton.setFalseTitle("Error");
-		/*
-		 * validationButton.addSelectHandler(new SelectHandler() {
-		 * 
-		 * @Override public void onSelect(SelectEvent event) {
-		 * Log.debug("Button ValidationCell Pressed"); Context context =
-		 * event.getContext(); requestSolution(context);
-		 * 
-		 * } });
-		 */
 
 		cc2.setCell(validationButton);
 
@@ -299,7 +297,7 @@ public class ValidationsTasksPanel extends FramedPanel implements
 		con.add(tree, new VerticalLayoutData(1, -1));
 
 		add(con, new MarginData(0));
-		
+
 		forceLayout();
 
 	}
@@ -325,7 +323,7 @@ public class ValidationsTasksPanel extends FramedPanel implements
 				} else {
 					if (v.getInvocation() != null) {
 						InvocationS invocationS = v.getInvocation();
-						
+
 						Long op = invocationS.getOperationId();
 						if (op.compareTo(OperationsId.ChangeToDimensionColumn
 								.toLong()) == 0) {
@@ -418,7 +416,6 @@ public class ValidationsTasksPanel extends FramedPanel implements
 			}
 
 		});
-		
 
 		tree.setContextMenu(contextMenu);
 
@@ -514,7 +511,7 @@ public class ValidationsTasksPanel extends FramedPanel implements
 	public void update(TRId trId) {
 		this.trId = trId;
 		draw();
-		
+
 	}
 
 	protected void retrieveCurrentTR() {
@@ -605,63 +602,71 @@ public class ValidationsTasksPanel extends FramedPanel implements
 		eventBus.fireEvent(changeTableRequestEvent);
 
 	}
-	
-	
-	
-//		@SuppressWarnings("rawtypes")
-//		protected AbstractCell actionButton = new AbstractCell<Boolean>() {
-//
-//			@Override
-//			public void render(Context context, Boolean value, SafeHtmlBuilder sb) {
-//
-//				if (value == null) {
-//					sb.appendHtmlConstant("");
-//				} else {
-//					Log.debug("Context: pos=" + context.getIndex() + ", key="
-//							+ context.getKey() + ", column=" + context.getColumn());
-//					String key = (String) context.getKey();
-//					BaseDto d = store.findModelWithKey(key);
-//
-//					/*
-//					 * List<BaseDto> list = ;
-//					 * Log.debug("List: ["+list.toString()+"]"); int i = 0; BaseDto
-//					 * d=null; for (; i < list.size(); i++) { BaseDto dt =
-//					 * list.get(i); if (dt.getId().compareTo((String)
-//					 * context.getKey()) == 0) { d=dt;
-//					 * Log.debug("Retrieved: "+d+" at pos:"+i); break; } }
-//					 */
-//
-//					String title = "";
-//					if (d != null) {
-//						Log.debug(d.toString());
-//						if (d instanceof ValidationDto) {
-//							ValidationDto v = (ValidationDto) d;
-//							Log.debug("ValidationDto: [" + v.getId() + ", "
-//									+ v.getDescription() + ", " + v.getValid()
-//									+ ", " + v.getInvocation() + "]");
-//							if (v.getInvocation() != null) {
-//								title = v.getInvocation().toString();
-//							}
-//						}
-//					}
-//
-//					if (value) {
-//
-//						sb.appendHtmlConstant("<img src='"
-//								+ ResourceBundle.INSTANCE.ok().getSafeUri()
-//										.asString() + "' alt='true' title='"
-//								+ title + "'>");
-//
-//					} else {
-//						sb.appendHtmlConstant("<img src='"
-//								+ ResourceBundle.INSTANCE.exit().getSafeUri()
-//										.asString() + "' alt='false' title='"
-//								+ title + "'>");
-//
-//					}
-//				}
-//
-//			}
-//		};
-	
+
+	// @SuppressWarnings("rawtypes")
+	// protected AbstractCell actionButton = new AbstractCell<Boolean>() {
+	//
+	// @Override
+	// public void render(Context context, Boolean value, SafeHtmlBuilder sb) {
+	//
+	// if (value == null) {
+	// sb.appendHtmlConstant("");
+	// } else {
+	// Log.debug("Context: pos=" + context.getIndex() + ", key="
+	// + context.getKey() + ", column=" + context.getColumn());
+	// String key = (String) context.getKey();
+	// BaseDto d = store.findModelWithKey(key);
+	//
+	// /*
+	// * List<BaseDto> list = ;
+	// * Log.debug("List: ["+list.toString()+"]"); int i = 0; BaseDto
+	// * d=null; for (; i < list.size(); i++) { BaseDto dt =
+	// * list.get(i); if (dt.getId().compareTo((String)
+	// * context.getKey()) == 0) { d=dt;
+	// * Log.debug("Retrieved: "+d+" at pos:"+i); break; } }
+	// */
+	//
+	// String title = "";
+	// if (d != null) {
+	// Log.debug(d.toString());
+	// if (d instanceof ValidationDto) {
+	// ValidationDto v = (ValidationDto) d;
+	// Log.debug("ValidationDto: [" + v.getId() + ", "
+	// + v.getDescription() + ", " + v.getValid()
+	// + ", " + v.getInvocation() + "]");
+	// if (v.getInvocation() != null) {
+	// title = v.getInvocation().toString();
+	// }
+	// }
+	// }
+	//
+	// if (value) {
+	//
+	// sb.appendHtmlConstant("<img src='"
+	// + ResourceBundle.INSTANCE.ok().getSafeUri()
+	// .asString() + "' alt='true' title='"
+	// + title + "'>");
+	//
+	// } else {
+	// sb.appendHtmlConstant("<img src='"
+	// + ResourceBundle.INSTANCE.exit().getSafeUri()
+	// .asString() + "' alt='false' title='"
+	// + title + "'>");
+	//
+	// }
+	// }
+	//
+	// }
+	// };
+
+	/*
+	 * validationButton.addSelectHandler(new SelectHandler() {
+	 * 
+	 * @Override public void onSelect(SelectEvent event) {
+	 * Log.debug("Button ValidationCell Pressed"); Context context =
+	 * event.getContext(); requestSolution(context);
+	 * 
+	 * } });
+	 */
+
 }