diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressBarUpdater.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressBarUpdater.java
new file mode 100644
index 0000000..44021a6
--- /dev/null
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressBarUpdater.java
@@ -0,0 +1,97 @@
+/**
+ *
+ */
+package org.gcube.portlets.user.td.columnwidget.client.progress;
+
+
+
+
+import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
+
+import com.allen_sauer.gwt.log.client.Log;
+import com.sencha.gxt.widget.core.client.ProgressBar;
+
+/**
+ *
+ * @author "Giancarlo Panichi"
+ * g.panichi@isti.cnr.it
+ *
+ */
+public class AddColumnProgressBarUpdater implements AddColumnProgressListener {
+
+ protected ProgressBar progressBar;
+
+ /**
+ * Creates a new {@link ProgressBar} updater.
+ * @param progressBar the {@link ProgressBar} to update.
+ */
+ public AddColumnProgressBarUpdater(ProgressBar progressBar) {
+ this.progressBar = progressBar;
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void operationComplete(TRId trId) {
+ Log.info("Completed");
+ progressBar.updateProgress(1, "Completed");
+
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void operationFailed(Throwable caught, String reason, String failureDetails) {
+ Log.info("Failed");
+ progressBar.updateText("Failed");
+ }
+
+ @Override
+ public void operationInitializing() {
+ Log.info("Inizializing");
+ progressBar.updateProgress(0, "Initializing...");
+ }
+
+ @Override
+ public void operationUpdate(float elaborated) {
+ Log.info("Elaborated: "+elaborated);
+ if (elaborated == 0) progressBar.updateProgress(0, "Initializing...");
+ if (elaborated>0 && elaborated<1) {
+ Log.trace("progress "+elaborated);
+ int elab=new Float(elaborated*100).intValue();
+ progressBar.updateProgress(elaborated,elab+"% Progress...");
+ }
+ if (elaborated == 1) progressBar.updateProgress(1, "Completing...");
+
+ }
+
+ @Override
+ public void operationValidate(float elaborated) {
+ Log.info("Validation Elaborated: "+elaborated);
+ if (elaborated == 0) progressBar.updateProgress(0, "Start Validation...");
+ if (elaborated>0 && elaborated<1) {
+ Log.trace("Validation progress "+elaborated);
+ int elab=new Float(elaborated*100).intValue();
+ progressBar.updateProgress(elaborated,elab+"% Validation Progress...");
+ }
+ if (elaborated == 1) progressBar.updateProgress(1, "Validation...");
+ }
+
+ @Override
+ public void operationStopped(TRId trId,String reason, String details) {
+ Log.debug("Operation Stopped: ["+trId.toString()+", "+reason+", "+details+"]");
+ progressBar.updateText("Validations failed");
+
+ }
+
+ @Override
+ public void operationGeneratingView() {
+ Log.info("Generating View...");
+ progressBar.updateText("Generating View...");
+
+ }
+
+}
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressDialog.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressDialog.java
new file mode 100644
index 0000000..e0c5f3e
--- /dev/null
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressDialog.java
@@ -0,0 +1,179 @@
+package org.gcube.portlets.user.td.columnwidget.client.progress;
+
+import java.util.ArrayList;
+
+import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTSessionExpiredException;
+import org.gcube.portlets.user.td.widgetcommonevent.client.event.SessionExpiredEvent;
+import org.gcube.portlets.user.td.widgetcommonevent.client.type.SessionExpiredType;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
+
+import com.allen_sauer.gwt.log.client.Log;
+import com.google.web.bindery.event.shared.EventBus;
+import com.sencha.gxt.core.client.util.Margins;
+import com.sencha.gxt.widget.core.client.FramedPanel;
+import com.sencha.gxt.widget.core.client.ProgressBar;
+import com.sencha.gxt.widget.core.client.Window;
+import com.sencha.gxt.widget.core.client.button.TextButton;
+import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
+import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
+import com.sencha.gxt.widget.core.client.event.SelectEvent;
+import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
+
+/**
+ * TaskResumeProgressDialog is a Dialog that show progress of resume a Task
+ *
+ * @author "Giancarlo Panichi" g.panichi@isti.cnr.it
+ *
+ */
+public class AddColumnProgressDialog extends Window implements
+ AddColumnProgressListener {
+ protected ArrayList listeners = new ArrayList();
+
+ public static final int STATUS_POLLING_DELAY = 1000;
+ protected String WIDTH = "400px";
+ protected String HEIGHT = "120px";
+ protected EventBus eventBus;
+ protected AddColumnProgressUpdater progressUpdater;
+ protected TextButton ok;
+ protected TRId trId;
+ private String reason;
+
+ private String details;
+
+ public AddColumnProgressDialog(
+ EventBus eventBus) {
+ this.eventBus = eventBus;
+ setWidth(WIDTH);
+ setHeight(HEIGHT);
+ setBodyBorder(false);
+ setResizable(true);
+ setModal(true);
+ setHeadingText("Task Resume Progress");
+
+ trId = null;
+
+ FramedPanel panel = new FramedPanel();
+ panel.setHeaderVisible(false);
+ panel.setBodyBorder(false);
+
+ VerticalLayoutContainer v = new VerticalLayoutContainer();
+
+ ProgressBar progressBar = new ProgressBar();
+
+ ok = new TextButton("OK");
+ ok.addSelectHandler(new SelectHandler() {
+
+ public void onSelect(SelectEvent event) {
+ updateInvocation();
+
+ }
+ });
+
+ v.add(progressBar,
+ new VerticalLayoutData(1, 1, new Margins(5, 5, 5, 5)));
+
+ panel.add(v);
+ panel.addButton(ok);
+ add(panel);
+
+ progressUpdater = new AddColumnProgressUpdater();
+ progressUpdater.addListener(new AddColumnProgressBarUpdater(
+ progressBar));
+
+ progressUpdater.addListener(this);
+ progressUpdater.scheduleRepeating(STATUS_POLLING_DELAY);
+ show();
+ ok.setVisible(false);
+
+ }
+
+ public void addProgressDialogListener(ProgressDialogListener listener) {
+ listeners.add(listener);
+ }
+
+ public void removeProgressDialogListener(ProgressDialogListener listener) {
+ listeners.remove(listener);
+ }
+
+ @Override
+ public void operationInitializing() {
+ // TODO Auto-generated method stub
+
+ }
+
+ @Override
+ public void operationUpdate(float elaborated) {
+ // TODO Auto-generated method stub
+
+ }
+
+ @Override
+ public void operationComplete(TRId trId) {
+ Log.debug("Operation Complete return: " + trId.toString());
+ this.trId = trId;
+ fireOperationComplete(trId);
+ hide();
+ }
+
+ @Override
+ public void operationFailed(Throwable caught, String reason,
+ String failureDetails) {
+ if (caught instanceof TDGWTSessionExpiredException) {
+ eventBus.fireEvent(new SessionExpiredEvent(
+ SessionExpiredType.EXPIREDONSERVER));
+ } else {
+ fireOperationFailed(caught,reason);
+ hide();
+
+ }
+ }
+
+ public void updateInvocation() {
+ if (trId != null) {
+ fireOperationStopped(trId, reason, details);
+ }
+ hide();
+
+ }
+
+ @Override
+ public void operationStopped(TRId trId, String reason, String details) {
+ Log.debug("Operation Stopped: [" + trId.toString() + ", " + reason
+ + ", " + details + "]");
+ this.trId = trId;
+ this.reason=reason;
+ this.details=details;
+ ok.setVisible(true);
+
+ }
+
+ @Override
+ public void operationGeneratingView() {
+ // TODO Auto-generated method stub
+
+ }
+
+ @Override
+ public void operationValidate(float elaborated) {
+ // TODO Auto-generated method stub
+
+ }
+
+ protected void fireOperationComplete(TRId trId) {
+ for (ProgressDialogListener listener : listeners)
+ listener.operationComplete(trId);
+ }
+
+ protected void fireOperationFailed(Throwable caught, String reason) {
+ for (ProgressDialogListener listener : listeners)
+ listener.operationFailed(caught, reason);
+ }
+
+ protected void fireOperationStopped(TRId trId, String reason, String details) {
+ for (ProgressDialogListener listener : listeners)
+ listener.operationStopped(trId,reason, details);
+ }
+
+
+}
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressListener.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressListener.java
new file mode 100644
index 0000000..8dc89a1
--- /dev/null
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressListener.java
@@ -0,0 +1,62 @@
+/**
+ *
+ */
+package org.gcube.portlets.user.td.columnwidget.client.progress;
+
+import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
+
+
+
+/**
+ * Defines a listener for operation progress.
+ *
+ * @author "Giancarlo Panichi"
+ * g.panichi@isti.cnr.it
+ *
+ */
+public interface AddColumnProgressListener {
+
+ /**
+ * Called when the operation is starting.
+ */
+ public void operationInitializing();
+
+ /**
+ * Called when there is a progress for the operation.
+ * @param elaborated the elaborated part.
+ */
+ public void operationUpdate(float elaborated);
+
+ /**
+ * Called when there is a validate for the operation.
+ * @param elaborated the elaborated part.
+ */
+ public void operationValidate(float elaborated);
+
+ /**
+ * Called when the operation is complete.
+ */
+ public void operationComplete(TRId trId);
+
+ /**
+ * Called when the operation is failed.
+ * @param caught the failure exception.
+ * @param reason the failure reason.
+ */
+ public void operationFailed(Throwable caught, String reason, String failureDetails);
+
+ /**
+ * Called when the operation is stopped
+ *
+ * @param trId
+ * @param reason
+ * @param details
+ */
+ public void operationStopped(TRId trId, String reason, String details);
+
+ /**
+ * Called when the operation is generating the view
+ */
+ public void operationGeneratingView();
+
+}
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressUpdater.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressUpdater.java
new file mode 100644
index 0000000..8c4bf9c
--- /dev/null
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/progress/AddColumnProgressUpdater.java
@@ -0,0 +1,195 @@
+/**
+ *
+ */
+package org.gcube.portlets.user.td.columnwidget.client.progress;
+
+import java.util.ArrayList;
+
+import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.AddColumnMonitor;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
+
+import com.allen_sauer.gwt.log.client.Log;
+import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+
+
+/**
+ *
+ * @author "Giancarlo Panichi"
+ * g.panichi@isti.cnr.it
+ *
+ */
+public class AddColumnProgressUpdater extends Timer {
+
+ protected ArrayList listeners = new ArrayList();
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void run() {
+ Log.debug("requesting operation progress");
+ TDGWTServiceAsync.INSTANCE
+ .getAddColumnMonitor(new AsyncCallback() {
+
+
+ public void onFailure(Throwable caught) {
+ cancel();
+ Log.error("Error retrieving the operation state",
+ caught);
+ String message = getStack(caught);
+ fireOperationFailed(caught,
+ "Failed getting operation updates", message);
+ }
+
+ public void onSuccess(AddColumnMonitor result) {
+ Log.info("retrieved AddColumnMonitor: "
+ + result.getStatus());
+ switch (result.getStatus()) {
+ case INITIALIZING:
+ Log.info("Initializing...");
+ fireOperationInitializing();
+ break;
+ case ABORTED:
+ cancel();
+ Log.info("Aborted");
+ break;
+ case IN_PROGRESS:
+ fireOperationUpdate(result.getProgress());
+ break;
+ case VALIDATING_RULES:
+ fireOperationValidate(result.getProgress());
+ break;
+ case GENERATING_VIEW:
+ Log.info("Generating View...");
+ fireOperationGeneratingView();
+ break;
+ case STOPPED:
+ cancel();
+ stopMessage(result);
+ break;
+ case FAILED:
+ cancel();
+ errorMessage(result);
+ break;
+ case SUCCEDED:
+ cancel();
+ Log.info("Fisnish :"
+ + result.getTrId());
+ fireOperationComplete(result.getTrId());
+ break;
+ default:
+ Log.info("Unknow State");
+ break;
+ }
+
+ }
+
+
+
+ });
+
+ }
+
+ protected void errorMessage(AddColumnMonitor result) {
+ Log.info("AddColumn Failed");
+ Throwable th = null;
+ String failure = null;
+ String details = null;
+ if (result.getError() != null) {
+ th = result.getError();
+ failure = "Failed Client Library Add Column";
+ details = result.getError().getLocalizedMessage();
+ } else {
+ th = new Throwable("Failed");
+ failure = "Failed Client Library Add Columnn";
+ details = "Add Column failed";
+ }
+
+ fireOperationFailed(th, failure, details);
+ }
+
+ protected void stopMessage(AddColumnMonitor result) {
+ Log.info("Add Column Stopped");
+ String failure = null;
+ String details = null;
+ if (result.getError() != null) {
+ failure = "Stopped add column";
+ details = result.getError().getLocalizedMessage();
+ } else {
+ failure = "Stopped add column";
+ details = "Add Column stopped";
+ }
+
+ fireOperationStopped(result.getTrId(),failure, details);
+ }
+
+
+ protected String getStack(Throwable e) {
+ String message = e.getLocalizedMessage() + " ->
";
+ Throwable c = e.getCause();
+ if (c != null)
+ message += getStack(c);
+ return message;
+ }
+
+ protected void fireOperationInitializing() {
+ for (AddColumnProgressListener listener : listeners)
+ listener.operationInitializing();
+ }
+
+ protected void fireOperationGeneratingView() {
+ for (AddColumnProgressListener listener : listeners)
+ listener.operationGeneratingView();
+ }
+
+ protected void fireOperationUpdate(float elaborated) {
+ for (AddColumnProgressListener listener : listeners)
+ listener.operationUpdate(elaborated);
+ }
+
+ protected void fireOperationValidate(float elaborated) {
+ for (AddColumnProgressListener listener : listeners)
+ listener.operationValidate(elaborated);
+ }
+
+ protected void fireOperationComplete(TRId trId) {
+ for (AddColumnProgressListener listener : listeners)
+ listener.operationComplete(trId);
+ }
+
+ protected void fireOperationFailed(Throwable caught, String failure,
+ String failureDetails) {
+ for (AddColumnProgressListener listener : listeners)
+ listener.operationFailed(caught, failure, failureDetails);
+ }
+
+ protected void fireOperationStopped(TRId trId, String reason, String details) {
+ for (AddColumnProgressListener listener : listeners)
+ listener.operationStopped(trId,reason, details);
+ }
+
+
+ /**
+ * Add a new {@link AddColumnProgressListener} to this
+ * {@link AddColumnProgressUpdater}.
+ *
+ * @param listener
+ * the listener to add.
+ */
+ public void addListener(AddColumnProgressListener listener) {
+ listeners.add(listener);
+ }
+
+ /**
+ * Removes the specified {@link AddColumnProgressListener} from this
+ * {@link AddColumnProgressUpdater}.
+ *
+ * @param listener
+ * the listener to remove.
+ */
+ public void removeListener(AddColumnProgressListener listener) {
+ listeners.remove(listener);
+ }
+}