2521: Explore the possibility to port the StatMan interface onto Dataminer

https://support.d4science.org/issues/2521

Updated shows results for computations

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/data-miner-manager@128550 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/dataminermanager/client/DataMinerManager.java

@@ -3,9 +3,11 @@ package org.gcube.portlets.user.dataminermanager.client;
 import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
 import org.gcube.portlets.user.dataminermanager.client.computations.ComputationsPanel;
 import org.gcube.portlets.user.dataminermanager.client.dataspace.DataSpacePanel;
+import org.gcube.portlets.user.dataminermanager.client.events.DataMinerWorkAreaRequestEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.MenuSwitchEvent;
 import org.gcube.portlets.user.dataminermanager.client.experiments.ExperimentPanel;
 import org.gcube.portlets.user.dataminermanager.client.resources.Resources;
+import org.gcube.portlets.user.dataminermanager.client.type.DataMinerWorkAreaRequestEventType;
 import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
 import org.gcube.portlets.user.gcubewidgets.client.ClientScopeHelper;
 
@@ -23,8 +25,7 @@ import com.sencha.gxt.widget.core.client.container.BorderLayoutContainer.BorderL
 import com.sencha.gxt.widget.core.client.container.MarginData;
 import com.sencha.gxt.widget.core.client.container.SimpleContainer;
 import com.sencha.gxt.widget.core.client.container.Viewport;
-//import com.google.gwt.event.logical.shared.ResizeEvent;
+
-//import com.google.gwt.event.logical.shared.ResizeHandler;
 
 /**
  * Entry point classes define <code>onModuleLoad()</code>.
@@ -196,9 +197,11 @@ public class DataMinerManager implements EntryPoint {
 		switch(event.getMenuType()){
 		case COMPUTATIONS:
 			switchPanel(computationsPanel);
+			fireDataMinerWorkAreareRequestUpdate();
 			break;
 		case DATA_SPACE:
 			switchPanel(dataSpacePanel);
+			fireDataMinerWorkAreareRequestUpdate();
 			break;
 		case EXPERIMENT:
 			switchPanel(experimentPanel);
@@ -213,6 +216,14 @@ public class DataMinerManager implements EntryPoint {
 		
 	}
 	
+	private void fireDataMinerWorkAreareRequestUpdate() {
+		DataMinerWorkAreaRequestEvent event = new DataMinerWorkAreaRequestEvent(
+				DataMinerWorkAreaRequestEventType.UPDATE);
+		EventBusProvider.INSTANCE.fireEvent(event);
+	}
+	
+	
+	
 	/**
 	 * 
 	 * @param panel

src/main/java/org/gcube/portlets/user/dataminermanager/client/DataMinerManagerController.java

@@ -3,7 +3,6 @@ package org.gcube.portlets.user.dataminermanager.client;
 import java.util.List;
 
 import org.gcube.portlets.user.dataminermanager.client.bean.OperatorsClassification;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
 import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
 import org.gcube.portlets.user.dataminermanager.client.events.CancelComputationExecutionRequestEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.DataMinerWorkAreaEvent;
@@ -13,10 +12,10 @@ import org.gcube.portlets.user.dataminermanager.client.events.MenuEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.MenuSwitchEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.OperatorsClassificationEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.OperatorsClassificationRequestEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.OutputResourceEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.OutputDataEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.OutputResourceRequestEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.OutputDataRequestEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.OutputShowEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.ComputationDataEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.OutputShowRequestEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.ComputationDataRequestEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.RefreshDataMinerWorkAreaEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.ResubmitComputationExecutionEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.ResubmitComputationExecutionRequestEvent;
@@ -30,7 +29,9 @@ import org.gcube.portlets.user.dataminermanager.client.type.DataMinerWorkAreaEve
 import org.gcube.portlets.user.dataminermanager.client.type.MenuType;
 import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
 import org.gcube.portlets.user.dataminermanager.shared.Constants;
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationData;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+import org.gcube.portlets.user.dataminermanager.shared.data.OutputData;
 import org.gcube.portlets.user.dataminermanager.shared.exception.ExpiredSessionServiceException;
 import org.gcube.portlets.user.dataminermanager.shared.session.UserInfo;
 import org.gcube.portlets.user.dataminermanager.shared.workspace.DataMinerWorkArea;
@@ -50,7 +51,6 @@ public class DataMinerManagerController {
 	private DataMinerWorkArea dataMinerWorkArea;
 	private List<OperatorsClassification> operatorsClassifications;
 	private MenuType currentVisualization;
-	private StatusMonitor monitor;
 	
 	public DataMinerManagerController() {
 		init();
@@ -162,15 +162,15 @@ public class DataMinerManagerController {
 
 		EventBusProvider.INSTANCE
 				.addHandler(
-						OutputResourceRequestEvent.TYPE,
+						OutputDataRequestEvent.TYPE,
-						new OutputResourceRequestEvent.OutputResourceRequestEventHandler() {
+						new OutputDataRequestEvent.OutputDataRequestEventHandler() {
 
 							@Override
 							public void onOutputRequest(
-									OutputResourceRequestEvent event) {
+									OutputDataRequestEvent event) {
-								Log.debug("Catch OutputResourceRequestEvent: "
+								Log.debug("Catch OutputDataRequestEvent: "
 										+ event);
-								manageOutputResourceRequestEvent(event);
+								manageOutputDataRequestEvent(event);
 
 							}
 
@@ -178,15 +178,15 @@ public class DataMinerManagerController {
 		
 		EventBusProvider.INSTANCE
 		.addHandler(
-				OutputShowRequestEvent.TYPE,
+				ComputationDataRequestEvent.TYPE,
-				new OutputShowRequestEvent.OutputShowRequestEventHandler() {
+				new ComputationDataRequestEvent.ComputationDataRequestEventHandler() {
 
 				
 					@Override
-					public void onOutputShowRequest(OutputShowRequestEvent event) {
+					public void onComputationDataRequest(ComputationDataRequestEvent event) {
-						Log.debug("Catch OutputShowRequestEvent: "
+						Log.debug("Catch ComputationDataRequestEvent: "
 								+ event);
-						manageOutputShowRequestEvent(event);
+						manageComputationDataRequestEvent(event);
 
 						
 					}
@@ -262,7 +262,6 @@ public class DataMinerManagerController {
 					public void onSuccess(UserInfo result) {
 						userInfo = result;
 						Log.info("Hello: " + userInfo.getUsername());
-						retrieveDataMinerWorkArea();
 					}
 
 				});
@@ -287,7 +286,7 @@ public class DataMinerManagerController {
 
 	private void startComputationRequest(
 			final StartComputationExecutionRequestEvent event) {
-		monitor = new StatusMonitor();
+		final StatusMonitor monitor = new StatusMonitor();
 		DataMinerPortletServiceAsync.INSTANCE.startComputation(event.getOp(),
 				new AsyncCallback<ComputationId>() {
 
@@ -334,7 +333,7 @@ public class DataMinerManagerController {
 	private void cancelComputationRequest(
 			CancelComputationExecutionRequestEvent event) {
 		final ComputationId computationId = event.getComputationId();
-		monitor = new StatusMonitor();
+		final StatusMonitor monitor = new StatusMonitor();
 		DataMinerPortletServiceAsync.INSTANCE.cancelComputation(computationId,
 				new AsyncCallback<String>() {
 
@@ -365,7 +364,7 @@ public class DataMinerManagerController {
 
 	private void resubmitComputationRequest(
 			final ResubmitComputationExecutionRequestEvent event) {
-		monitor = new StatusMonitor();
+		final StatusMonitor monitor = new StatusMonitor();
 		DataMinerPortletServiceAsync.INSTANCE.resubmit(
 				event.getItemDescription(), new AsyncCallback<ComputationId>() {
 
@@ -496,7 +495,7 @@ public class DataMinerManagerController {
 	}
 
 	private void retrieveDataMinerWorkArea() {
-		monitor = new StatusMonitor();
+		final StatusMonitor monitor = new StatusMonitor();
 		DataMinerPortletServiceAsync.INSTANCE
 				.getDataMinerWorkArea(new AsyncCallback<DataMinerWorkArea>() {
 
@@ -534,7 +533,7 @@ public class DataMinerManagerController {
 	}
 
 	private void deleteItemRequest(final DeleteItemRequestEvent event) {
-		monitor = new StatusMonitor();
+		final StatusMonitor monitor = new StatusMonitor();
 		DataMinerPortletServiceAsync.INSTANCE.deleteItem(
 				event.getItemDescription(), new AsyncCallback<Void>() {
 
@@ -573,8 +572,8 @@ public class DataMinerManagerController {
 
 	}
 
-	private void manageOutputResourceRequestEvent(
+	private void manageOutputDataRequestEvent(
-			OutputResourceRequestEvent event) {
+			OutputDataRequestEvent event) {
 		if (event == null) {
 			UtilsGXT3.alert("Error", "Invalid output request!");
 		} else {
@@ -586,14 +585,14 @@ public class DataMinerManagerController {
 						"Invalid output request, computation id: "
 								+ event.getComputationId());
  			} else {
-				monitor = new StatusMonitor();
+ 				final StatusMonitor monitor = new StatusMonitor();
 				DataMinerPortletServiceAsync.INSTANCE
-						.getResourceByComputationId(event.getComputationId(),
+						.getOutputDataByComputationId(event.getComputationId(),
-								new AsyncCallback<Resource>() {
+								new AsyncCallback<OutputData>() {
 									@Override
-									public void onSuccess(Resource resource) {
+									public void onSuccess(OutputData outputData) {
 										monitor.hide();
-										fireOutputResourceEvent(resource);
+										fireOutputDataEvent(outputData);
 									}
 
 									@Override
@@ -612,43 +611,42 @@ public class DataMinerManagerController {
 		}
 	}
 
-	private void fireOutputResourceEvent(Resource resource) {
+	private void fireOutputDataEvent(OutputData outputData) {
-		OutputResourceEvent event = new OutputResourceEvent(resource);
+		OutputDataEvent event = new OutputDataEvent(outputData);
 		EventBusProvider.INSTANCE.fireEvent(event);
 
 	}
 
-	private void manageOutputShowRequestEvent(OutputShowRequestEvent event) {
+	private void manageComputationDataRequestEvent(ComputationDataRequestEvent event) {
 		if (event == null) {
-			UtilsGXT3.alert("Error", "Invalid show output request!");
+			UtilsGXT3.alert("Error", "Invalid computation info request!");
 		} else {
 			if (event.getItemDescription() == null
 					|| event.getItemDescription().getId() == null
 					|| event.getItemDescription().getId().isEmpty()) {
 				UtilsGXT3.alert(
 						"Error",
-						"Invalid show output request, item description: "
+						"Invalid computation info request, item description: "
 								+ event.getItemDescription());
 			} else {
-				monitor = new StatusMonitor();
+				final StatusMonitor monitor = new StatusMonitor();
-				DataMinerPortletServiceAsync.INSTANCE
+				DataMinerPortletServiceAsync.INSTANCE.getComputationData(
-						.getResourceByComputationItem(
 								event.getItemDescription(),
-								new AsyncCallback<Resource>() {
+								new AsyncCallback<ComputationData>() {
 									@Override
-									public void onSuccess(Resource resource) {
+									public void onSuccess(ComputationData computationData) {
 										monitor.hide();
-										fireOutputShowEvent(resource);
+										fireComputationDataEvent(computationData);
 									}
 
 									@Override
 									public void onFailure(Throwable caught) {
 										monitor.hide();
-										Log.error("Error in getResourceByComputationItem: "
+										Log.error("Error in getComputationData: "
 												+ caught.getLocalizedMessage());
 										UtilsGXT3
 												.alert("Error",
-														"Impossible to retrieve output info. "
+														"Impossible to retrieve computation info. "
 																+ caught.getLocalizedMessage());
 
 									}
@@ -657,8 +655,8 @@ public class DataMinerManagerController {
 		}
 	}
 
-	protected void fireOutputShowEvent(Resource resource) {
+	private void fireComputationDataEvent(ComputationData computationData) {
-		OutputShowEvent event = new OutputShowEvent(resource);
+		ComputationDataEvent event = new ComputationDataEvent(computationData);
 		EventBusProvider.INSTANCE.fireEvent(event);
 
 	}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/ComputationItem.java

@@ -1,139 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean;
-
-import java.io.Serializable;
-import java.util.Date;
-
-import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
-import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
-
-/**
- * 
- * @author Giancarlo Panichi email: <a
- *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
- *
- */
-public class ComputationItem implements Serializable {
-
-	private static final long serialVersionUID = 7948340340190844208L;
-	
-	private ComputationId computationId;
-	private String id;
-	private String name;
-	private String description;
-	private String categoryId;
-	private String operatorId;
-	private String infrastructure;
-	private Date creationDate;
-	private Date endDate;
-	private ComputationStatus status;
-	private Resource resource;
-	private Operator operator;
-
-	/**
-	 * 
-	 */
-	public ComputationItem() {
-		super();
-	}
-	
-	public ComputationItem(ComputationId computationId, String operatorId) {
-		this.computationId=computationId;
-		this.operatorId=operatorId;
-	}
-	
-	/*
-	public ComputationItem(ComputationId computationId, String name,
-			String description, String categoryId, String operatorId,
-			String infrastructure, Date creationDate, Date endDate,
-			ComputationStatus status, Resource resource) {
-		super();
-		this.computationId = computationId;
-		this.id = computationId.getId();
-		this.name = name;
-		this.description = description;
-		this.categoryId = categoryId;
-		this.operatorId = operatorId;
-		this.infrastructure = infrastructure;
-		this.creationDate = creationDate;
-		this.endDate = endDate;
-		this.status = status;
-		this.resource = resource;
-	}*/
-	
-	
-
-	public OperatorCategory getOperatorCategory() {
-		/*OperatorsClassification classification = DataMinerManager
-				.getDefaultOperatorsClassification();
-		if (classification == null)
-			return null;
-		else
-			return classification.getCategoryById(categoryId);
-			*/
-		return null;
-	}
-
-	public Operator getOperator() {
-		/*if (operator == null) {
-			OperatorsClassification classification = DataMinerManager
-					.getDefaultOperatorsClassification();
-			if (classification != null)
-				operator = classification.getOperatorById(operatorId);
-		}
-		return operator;*/
-		return null;
-	}
-
-	public ComputationId getComputationId() {
-		return computationId;
-	}
-
-	public String getId() {
-		return id;
-	}
-
-	public String getName() {
-		return name;
-	}
-
-	public String getDescription() {
-		return description;
-	}
-
-	public String getCategoryId() {
-		return categoryId;
-	}
-
-	public String getOperatorId() {
-		return operatorId;
-	}
-
-	public String getInfrastructure() {
-		return infrastructure;
-	}
-
-	public Date getCreationDate() {
-		return creationDate;
-	}
-
-	public Date getEndDate() {
-		return endDate;
-	}
-
-	public ComputationStatus getStatus() {
-		return status;
-	}
-
-	public Resource getResource() {
-		return resource;
-	}
-
-	public void setEndDate(Date endDate) {
-		this.endDate = endDate;
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/ComputationStatus.java

@@ -3,9 +3,14 @@ package org.gcube.portlets.user.dataminermanager.client.bean;
 import java.io.Serializable;
 import java.util.Date;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.Resource;
-
 
+/**
+ * 
+ * @author Giancarlo Panichi
+ * email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
 public class ComputationStatus implements Serializable {
 
 	/**

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/Operator.java

@@ -7,8 +7,8 @@ import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.StringUtil;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 /**
  * 

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/OperatorCategory.java

@@ -3,17 +3,19 @@
  */
 package org.gcube.portlets.user.dataminermanager.client.bean;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.gwt.user.client.rpc.IsSerializable;
-
 /**
- * @author ceras
+ * 
+ * @author Giancarlo Panichi
+ * email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
  *
  */
-public class OperatorCategory implements IsSerializable {
+public class OperatorCategory implements Serializable {
 
+	private static final long serialVersionUID = 7511425996378626337L;
 	private String id;
 	private String name; 
 	private String briefDescription;

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/OperatorsClassification.java

@@ -3,17 +3,19 @@
  */
 package org.gcube.portlets.user.dataminermanager.client.bean;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.gwt.user.client.rpc.IsSerializable;
-
 /**
- * @author ceras
+ * 
+ * @author Giancarlo Panichi
+ * email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
  *
  */
-public class OperatorsClassification implements IsSerializable {
+public class OperatorsClassification implements Serializable {
 
+	private static final long serialVersionUID = 7347445659350838584L;
 	private String name;
 	private List<OperatorCategory> operatorCategories = new ArrayList<OperatorCategory>();
 	private List<Operator> operators = new ArrayList<Operator>();

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/output/ErrorResource.java

@@ -1,48 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.output;
-
-import java.io.Serializable;
-
-/**
- * 
- * @author Giancarlo Panichi email: <a
- *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
- *
- */
-public class ErrorResource extends Resource implements Serializable {
-
-	private static final long serialVersionUID = -5452797429958563962L;
-	private String stackTrace;
-
-	public ErrorResource() {
-		super();
-		this.setResourceType(ResourceType.ERROR);
-	}
-
-	public ErrorResource(String stackTrace) {
-		super();
-		this.stackTrace = stackTrace;
-		this.setResourceType(ResourceType.ERROR);
-	}
-
-	public String getStackTrace() {
-		return stackTrace;
-	}
-
-	public void setStackTrace(String stackTrace) {
-		this.stackTrace = stackTrace;
-	}
-
-	@Override
-	public String toString() {
-		return "ErrorResource [getResourceId()=" + getResourceId()
-				+ ", getDescription()=" + getDescription() + ", getName()="
-				+ getName() + ", getResourceType()=" + getResourceType()
-				+ ", stackTrace=" + stackTrace + "]";
-	}
-
-	
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/ColumnListParameter.java

@@ -1,68 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.List;
-
-
-/**
- * @author ceras
- *
- */
-public class ColumnListParameter extends Parameter implements Serializable {
-
-	private static final long serialVersionUID = -6743494426144267089L;
-	String referredTabularParameterName;
-	List<String> columnNames = new ArrayList<String>();
-	String value;
-	private String separator;
-	
-	public ColumnListParameter() {
-		super();
-		this.typology = ParameterTypology.COLUMN_LIST;
-	}
-	
-	public ColumnListParameter(String name, String description, String referredTabularParameterName, String separator) {
-		super(name, ParameterTypology.COLUMN_LIST, description);
-		this.referredTabularParameterName = referredTabularParameterName;
-		this.separator = separator;
-	}
-
-	/**
-	 * @param referredTabularParameterName the referredTabularParameterName to set
-	 */
-	public void setReferredTabularParameterName(String referredTabularParameterName) {
-		this.referredTabularParameterName = referredTabularParameterName;
-	}
-	
-	/**
-	 * @return the referredTabularParameterName
-	 */
-	public String getReferredTabularParameterName() {
-		return referredTabularParameterName;
-	}
-
-	/**
-	 * @return the value
-	 */
-	public String getValue() {
-		return value;
-	}
-	
-	
-	@Override
-	public void setValue(String value) {
-		this.value = value;
-	}
-	
-	/**
-	 * @return the separator
-	 */
-	public String getSeparator() {
-		return separator;
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/ColumnParameter.java

@@ -1,82 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import java.io.Serializable;
-
-
-/**
- * @author ceras
- *
- */
-public class ColumnParameter extends Parameter implements Serializable {
-
-	/**
-	 * 
-	 */
-	private static final long serialVersionUID = -5084557326770554659L;
-	String referredTabularParameterName;
-	String defaultColumn;
-	String value;
-
-	/**
-	 * 
-	 */
-	public ColumnParameter() {
-		super();
-		this.typology = ParameterTypology.COLUMN;
-	}
-
-	/**
-	 * 
-	 */
-	public ColumnParameter(String name, String description, String referredTabularParameterName, String defaultColumn) {
-		super(name, ParameterTypology.COLUMN, description);
-		this.referredTabularParameterName = referredTabularParameterName;
-		this.defaultColumn = defaultColumn;
-	}
-
-	/**
-	 * @param referredTabularParameterName the referredTabularParameterName to set
-	 */
-	public void setReferredTabularParameterName(
-			String referredTabularParameterName) {
-		this.referredTabularParameterName = referredTabularParameterName;
-	}
-	
-	/**
-	 * @return the referredTabularParameterName
-	 */
-	public String getReferredTabularParameterName() {
-		return referredTabularParameterName;
-	}
-
-	/**
-	 * @return the defaultValue
-	 */
-	public String getDefaultColumn() {
-		return defaultColumn;
-	}
-	
-	/**
-	 * @param defaultValue the defaultValue to set
-	 */
-	public void setDefaultColumn(String defaultColumn) {
-		this.defaultColumn = defaultColumn;
-	}
-	
-	/**
-	 * @return the value
-	 */
-	public String getValue() {
-		return value;
-	}
-	
-	
-	@Override
-	public void setValue(String value) {
-		this.value = value;
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/EnumParameter.java

@@ -1,89 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import com.google.gwt.user.client.rpc.IsSerializable;
-
-/**
- * @author ceras
- *
- */
-public class EnumParameter extends Parameter implements IsSerializable {
-
-	private static final long serialVersionUID = 1673874854501249519L;
-	List<String> values = new ArrayList<String>();
-	String defaultValue;
-	String value;
-	
-
-	/**
-	 * 
-	 */
-	public EnumParameter() {
-		super();
-		this.typology = ParameterTypology.ENUM;
-	}
-	
-	/**
-	 * @param type
-	 * @param defaultValue
-	 * @param value
-	 */
-	public EnumParameter(String name, String description, List<String> values, String defaultValue) {
-		super(name, ParameterTypology.ENUM, description);
-		this.values = values;
-		this.defaultValue = defaultValue;
-	}
-
-
-	/**
-	 * @return the defaultValue
-	 */
-	public String getDefaultValue() {
-		return defaultValue;
-	}
-	
-	/**
-	 * @param defaultValue the defaultValue to set
-	 */
-	public void setDefaultValue(String defaultValue) {
-		this.defaultValue = defaultValue;
-	}
-	
-	/**
-	 * @param values the values to set
-	 */
-	public void setValues(List<String> values) {
-		this.values = values;
-	}
-	
-	/**
-	 * @return the values
-	 */
-	public List<String> getValues() {
-		return values;
-	}
-	
-	public void addValue(String value) {
-		this.values.add(value);
-	}
-	
-	/**
-	 * @return the value
-	 */
-	@Override
-	public String getValue() {
-		return value;
-	}
-	
-	
-	@Override
-	public void setValue(String value) {
-		this.value = value;
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/FileParameter.java

@@ -1,81 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import java.util.ArrayList;
-
-import com.google.gwt.user.client.rpc.IsSerializable;
-
-/**
- * @author ceras
- *
- */
-public class FileParameter extends Parameter implements IsSerializable {
-
-	private static final long serialVersionUID = -2967577990287112937L;
-	private String value;
-	private String defaultMimeType;
-	private ArrayList<String> supportedMimeTypes;
-	/**
-	 * 
-	 */
-	public FileParameter() {
-		super();
-		this.typology = ParameterTypology.FILE;
-	}
-	
-	/**
-	 * 
-	 * @param name
-	 * @param description
-	 * @param fileName
-	 * @param mimeType
-	 */
-	public FileParameter(String name, String description, String defaultMimeType, ArrayList<String> supportedMimeTypes) {
-		super(name, ParameterTypology.FILE, description);
-		this.defaultMimeType = defaultMimeType;
-		this.supportedMimeTypes = supportedMimeTypes;
-	}
-
-	public String getDefaultMimeType() {
-		return defaultMimeType;
-	}
-
-	public void setDefaultMimeType(String defaultMimeType) {
-		this.defaultMimeType = defaultMimeType;
-	}
-
-	public ArrayList<String> getSupportedMimeTypes() {
-		return supportedMimeTypes;
-	}
-
-	public void setSupportedMimeTypes(ArrayList<String> supportedMimeTypes) {
-		this.supportedMimeTypes = supportedMimeTypes;
-	}
-
-	/**
-	 * 
-	 */
-	public String getValue() {
-		return value;
-	}
-
-	/**
-	 * 
-	 */
-	@Override
-	public void setValue(String value) {
-		this.value=value;
-	}
-
-	@Override
-	public String toString() {
-		return "FileParameter [value=" + value + ", defaultMimeType="
-				+ defaultMimeType + ", supportedMimeTypes="
-				+ supportedMimeTypes + "]";
-	}
-
-	
-	
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/ListParameter.java

@@ -1,81 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import com.google.gwt.user.client.rpc.IsSerializable;
-
-
-/**
- * @author ceras
- *
- */
-public class ListParameter extends Parameter implements IsSerializable {
-
-	private static final long serialVersionUID = 5405965026753332225L;
-	private String type;
-	private String value;
-	private String separator;
-
-	/**
-	 * 
-	 */
-	public ListParameter() {
-		super();
-		this.typology = ParameterTypology.LIST;
-	}
-
-	/**
-	 * @param defaultValue
-	 * @param value
-	 */
-	public ListParameter(String name, String description, String type, String separator) {
-		super(name, ParameterTypology.LIST, description);
-		this.type = type;
-		this.separator = separator;
-	}
-	
-	/**
-	 * @return the type
-	 */
-	public String getType() {
-		return type;
-	}
-	
-	/**
-	 * @param type the type to set
-	 */
-	public void setType(String type) {
-		this.type = type;
-	}
-	
-	
-	@Override
-	public void setValue(String value) {
-		this.value = value;
-	}
-		
-	
-	@Override
-	public String getValue() {
-		return value;
-	}
-	
-	/**
-	 * @return the separator
-	 */
-	public String getSeparator() {
-		return separator;
-	}
-
-	@Override
-	public String toString() {
-		return "ListParameter [type=" + type + ", value=" + value
-				+ ", separator=" + separator + ", name=" + name
-				+ ", description=" + description + ", typology=" + typology
-				+ "]";
-	}
-	
-	
-	
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/ObjectParameter.java

@@ -1,88 +0,0 @@
-
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import com.google.gwt.user.client.rpc.IsSerializable;
-
-/**
- * @author ceras
- *
- */
-public class ObjectParameter extends Parameter implements IsSerializable {
-	
-	private static final long serialVersionUID = 1058462575242430851L;
-	private String type;
-	private String defaultValue;
-	private String value;
-	
-	
-	/**
-	 * 
-	 */
-	public ObjectParameter() {
-		super();
-		this.typology = ParameterTypology.OBJECT;
-	}
-	
-	
-	public ObjectParameter(String name, String description, String type, String defaultValue) {
-		super(name, ParameterTypology.OBJECT, description);
-		this.type = type;
-		this.defaultValue = defaultValue;
-	}
-	
-	/**
-	 * @return the type
-	 */
-	public String getType() {
-		return type;
-	}
-	
-	/**
-	 * @param type the type to set
-	 */
-	public void setType(String type) {
-		this.type = type;
-	}
-	
-	/**
-	 * @return the defaultValue
-	 */
-	public String getDefaultValue() {
-		return defaultValue;
-	}
-	
-	/**
-	 * @param defaultValue the defaultValue to set
-	 */
-	public void setDefaultValue(String defaultValue) {
-		this.defaultValue = defaultValue;
-	}
-	
-	/**
-	 * @return the value
-	 */
-	public String getValue() {
-		return value;
-	}
-	
-	
-	@Override
-	public void setValue(String value) {
-		this.value = value;
-	}
-
-
-	@Override
-	public String toString() {
-		return "ObjectParameter [type=" + type + ", defaultValue="
-				+ defaultValue + ", value=" + value + ", name=" + name
-				+ ", description=" + description + ", typology=" + typology
-				+ "]";
-	}
-
-
-	
-	
-	
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/Parameter.java

@@ -1,130 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import java.io.Serializable;
-
-/**
- * 
- * @author Giancarlo Panichi email: <a
- *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
- *
- */
-public abstract class Parameter implements Serializable {
-
-	/**
-	 * 
-	 */
-	private static final long serialVersionUID = -555286289487491703L;
-
-	public enum ParameterTypology {
-		OBJECT, TABULAR, FILE, ENUM, LIST, COLUMN, COLUMN_LIST, TABULAR_LIST
-	};
-
-	protected String name;
-	protected String description;
-	protected ParameterTypology typology;
-
-	/**
-	 * 
-	 */
-	public Parameter() {
-		super();
-	}
-
-	/**
-	 * @param name
-	 * @param type
-	 * @param description
-	 * @param defaultValue
-	 * @param value
-	 */
-	public Parameter(String name, ParameterTypology type, String description) {
-		super();
-		this.name = name;
-		this.typology = type;
-		this.description = description;
-	}
-
-	public abstract void setValue(String value);
-
-	public abstract String getValue();
-
-	public String getName() {
-		return name;
-	}
-
-	public void setName(String name) {
-		this.name = name;
-	}
-
-	/**
-	 * @return the typology
-	 */
-	public ParameterTypology getTypology() {
-		return typology;
-	}
-
-	/**
-	 * @param typology
-	 *            the typology to set
-	 */
-	public void setTypology(ParameterTypology typology) {
-		this.typology = typology;
-	}
-
-	/**
-	 * @return the description
-	 */
-	public String getDescription() {
-		return description;
-	}
-
-	/**
-	 * @param description
-	 *            the description to set
-	 */
-	public void setDescription(String description) {
-		this.description = description;
-	}
-
-	public boolean isObject() {
-		return this.typology == ParameterTypology.OBJECT;
-	}
-
-	public boolean isTabular() {
-		return this.typology == ParameterTypology.TABULAR;
-	}
-
-	public boolean isFile() {
-		return this.typology == ParameterTypology.FILE;
-	}
-
-	public boolean isEnum() {
-		return this.typology == ParameterTypology.ENUM;
-	}
-
-	public boolean isList() {
-		return this.typology == ParameterTypology.LIST;
-	}
-
-	public boolean isColumn() {
-		return this.typology == ParameterTypology.COLUMN;
-	}
-
-	public boolean isColumnList() {
-		return this.typology == ParameterTypology.COLUMN_LIST;
-	}
-
-	public boolean isTabularList() {
-		return this.typology == ParameterTypology.TABULAR_LIST;
-	}
-
-	@Override
-	public String toString() {
-		return "Parameter [name=" + name + ", description=" + description
-				+ ", typology=" + typology + "]";
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/TabularListParameter.java

@@ -1,106 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import java.io.Serializable;
-import java.util.ArrayList;
-
-/**
- * @author ceras
- *
- */
-public class TabularListParameter extends Parameter implements Serializable {
-
-	private static final long serialVersionUID = -1786477950530892502L;
-	private String value;
-	private String separator;
-	private ArrayList<String> templates = new ArrayList<String>();
-	private String defaultMimeType;
-	private ArrayList<String> supportedMimeTypes;
-
-	// private List<String> tableNames = new ArrayList<String>();
-
-	public TabularListParameter() {
-		super();
-		this.typology = ParameterTypology.TABULAR_LIST;
-	}
-
-	/**
-	 * @param defaultValue
-	 * @param value
-	 */
-	public TabularListParameter(String name, String description,
-			String separator, String defaultMimeType,
-			ArrayList<String> supportedMimeTypes) {
-		super(name, ParameterTypology.TABULAR_LIST, description);
-		this.separator = separator;
-		this.defaultMimeType = defaultMimeType;
-		this.supportedMimeTypes = supportedMimeTypes;
-	}
-
-	@Override
-	public void setValue(String value) {
-		this.value = value;
-	}
-
-	@Override
-	public String getValue() {
-		return value;
-	}
-
-	/**
-	 * @return the separator
-	 */
-	public String getSeparator() {
-		return separator;
-	}
-
-	/**
-	 * @param templates
-	 *            the templates to set
-	 */
-	public void setTemplates(ArrayList<String> templates) {
-		this.templates = templates;
-	}
-
-	/**
-	 * @return the templates
-	 */
-	public ArrayList<String> getTemplates() {
-		return templates;
-	}
-
-	public void addTemplate(String template) {
-		templates.add(template);
-	}
-
-	public String getDefaultMimeType() {
-		return defaultMimeType;
-	}
-
-	public void setDefaultMimeType(String defaultMimeType) {
-		this.defaultMimeType = defaultMimeType;
-	}
-
-	public ArrayList<String> getSupportedMimeTypes() {
-		return supportedMimeTypes;
-	}
-
-	public void setSupportedMimeTypes(ArrayList<String> supportedMimeTypes) {
-		this.supportedMimeTypes = supportedMimeTypes;
-	}
-
-	public void setSeparator(String separator) {
-		this.separator = separator;
-	}
-
-	@Override
-	public String toString() {
-		return "TabularListParameter [value=" + value + ", separator="
-				+ separator + ", templates=" + templates + ", defaultMimeType="
-				+ defaultMimeType + ", supportedMimeTypes="
-				+ supportedMimeTypes + "]";
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/bean/parameters/TabularParameter.java

@@ -1,113 +0,0 @@
-/**
- * 
- */
-package org.gcube.portlets.user.dataminermanager.client.bean.parameters;
-
-import java.io.Serializable;
-import java.util.ArrayList;
-
-/**
- * 
- * @author Giancarlo Panichi
- * email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
- *
- */
-public class TabularParameter extends Parameter implements Serializable {
-
-	private static final long serialVersionUID = 8038591467145151553L;
-	private String tableName;
-	private ArrayList<String> templates = new ArrayList<String>();
-	private String defaultMimeType;
-	private ArrayList<String> supportedMimeTypes;
-
-	/**
-	 * 
-	 */
-	public TabularParameter() {
-		super();
-		this.typology = ParameterTypology.TABULAR;
-	}
-
-	/**
-	 * 
-	 * @param name
-	 * @param description
-	 * @param tableName
-	 */
-	public TabularParameter(String name, String description, String tableName,
-			String defaultMimeType, ArrayList<String> supportedMimeTypes) {
-		super(name, ParameterTypology.TABULAR, description);
-		this.tableName = tableName;
-		this.templates = null;
-		this.defaultMimeType = defaultMimeType;
-		this.supportedMimeTypes = supportedMimeTypes;
-	}
-
-	/**
-	 * 
-	 * @param name
-	 * @param description
-	 * @param tableName
-	 * @param templates
-	 */
-	public TabularParameter(String name, String description, String tableName,
-			ArrayList<String> templates, String defaultMimeType,
-			ArrayList<String> supportedMimeTypes) {
-		super(name, ParameterTypology.TABULAR, description);
-		this.tableName = tableName;
-		this.templates = templates;
-		this.defaultMimeType = defaultMimeType;
-		this.supportedMimeTypes = supportedMimeTypes;
-	}
-
-	public String getTableName() {
-		return tableName;
-	}
-
-	public void setTableName(String tableName) {
-		this.tableName = tableName;
-	}
-
-	public ArrayList<String> getTemplates() {
-		return templates;
-	}
-
-	public void setTemplates(ArrayList<String> templates) {
-		this.templates = templates;
-	}
-
-	@Override
-	public String getValue() {
-		return getTableName();
-	}
-
-	@Override
-	public void setValue(String value) {
-		this.setTableName(value);
-	}
-
-	public String getDefaultMimeType() {
-		return defaultMimeType;
-	}
-
-	public void setDefaultMimeType(String defaultMimeType) {
-		this.defaultMimeType = defaultMimeType;
-	}
-
-	public ArrayList<String> getSupportedMimeTypes() {
-		return supportedMimeTypes;
-	}
-
-	public void setSupportedMimeTypes(ArrayList<String> supportedMimeTypes) {
-		this.supportedMimeTypes = supportedMimeTypes;
-	}
-
-	@Override
-	public String toString() {
-		return "TabularParameter [tableName=" + tableName + ", templates="
-				+ templates + ", defaultMimeType=" + defaultMimeType
-				+ ", supportedMimeTypes=" + supportedMimeTypes + "]";
-	}
-
-	
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/computations/ComputationsExecutedPanel.java

@@ -0,0 +1,511 @@
+package org.gcube.portlets.user.dataminermanager.client.computations;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
+import org.gcube.portlets.user.dataminermanager.client.events.DataMinerWorkAreaEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.DeleteItemRequestEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.ComputationDataRequestEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.RefreshDataMinerWorkAreaEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.ResubmitComputationExecutionRequestEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.SessionExpiredEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.UIStateEvent;
+import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServiceAsync;
+import org.gcube.portlets.user.dataminermanager.client.type.DataMinerWorkAreaElementType;
+import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
+import org.gcube.portlets.user.dataminermanager.shared.exception.ExpiredSessionServiceException;
+import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription;
+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.MultipleDNDUpload;
+import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanel;
+import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
+import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
+import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+
+import com.allen_sauer.gwt.log.client.Log;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.sencha.gxt.cell.core.client.ButtonCell.ButtonScale;
+import com.sencha.gxt.cell.core.client.ButtonCell.IconAlign;
+import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
+import com.sencha.gxt.core.client.util.Margins;
+import com.sencha.gxt.widget.core.client.FramedPanel;
+import com.sencha.gxt.widget.core.client.button.TextButton;
+import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
+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;
+import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
+
+/**
+ * 
+ * @author Giancarlo Panichi email: <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class ComputationsExecutedPanel extends FramedPanel {
+
+	private Item selectedItem;
+	private MultipleDNDUpload dnd;
+	private WorkspaceResourcesExplorerPanel wsResourcesExplorerPanel;
+	private TextButton btnShow;
+	private TextButton btnOpen;
+	private TextButton btnDelete;
+	private TextButton btnRefresh;
+	private TextButton btnResubmit;
+	private TextButton btnCancel;
+	private VerticalLayoutContainer v;
+
+	public ComputationsExecutedPanel() {
+		super();
+		Log.debug("ComputationsPanel");
+
+		// msgs = GWT.create(ServiceCategoryMessages.class);
+		init();
+		bindToEvents();
+
+	}
+
+	private void init() {
+		setId("ComputationsPanel");
+		forceLayoutOnResize = true;
+		setBodyBorder(true);
+		setBodyStyle("backgroundColor:white;");
+		setHeaderVisible(true);
+		setResize(true);
+		setAnimCollapse(false);
+		setHeadingText("Computations");
+
+	}
+
+	private void bindToEvents() {
+
+		EventBusProvider.INSTANCE.addHandler(UIStateEvent.TYPE,
+				new UIStateEvent.UIStateEventHandler() {
+
+					@Override
+					public void onChange(UIStateEvent event) {
+						manageStateEvents(event);
+
+					}
+				});
+
+		EventBusProvider.INSTANCE.addHandler(DataMinerWorkAreaEvent.TYPE,
+				new DataMinerWorkAreaEvent.DataMinerWorkAreaEventHandler() {
+
+					@Override
+					public void onChange(DataMinerWorkAreaEvent event) {
+						manageDataMinerWorkAreaEvents(event);
+
+					}
+
+				});
+
+		EventBusProvider.INSTANCE
+				.addHandler(
+						RefreshDataMinerWorkAreaEvent.TYPE,
+						new RefreshDataMinerWorkAreaEvent.RefreshDataMinerWorkAreaEventHandler() {
+
+							@Override
+							public void onRefresh(
+									RefreshDataMinerWorkAreaEvent event) {
+								manageRefreshDataMinerWorkAreaEvents(event);
+
+							}
+
+						});
+
+	}
+
+	private void manageStateEvents(UIStateEvent event) {
+		Log.debug("ComputationsPanel recieved UIStateEvent: "
+				+ event.toString());
+		switch (event.getUiStateType()) {
+		case START:
+			break;
+		case WAITING:
+			break;
+		case UPDATE:
+			break;
+		default:
+			break;
+		}
+	}
+
+	private void manageDataMinerWorkAreaEvents(DataMinerWorkAreaEvent event) {
+
+		Log.debug("ComputationsPanel recieved UIStateEvent: "
+				+ event.toString());
+		switch (event.getDataMinerWorkAreaEventType()) {
+		case OPEN:
+		case UPDATE:
+			refreshWSResourceExplorerPanel(event);
+			break;
+		default:
+			break;
+		}
+
+	}
+
+	private void manageRefreshDataMinerWorkAreaEvents(
+			RefreshDataMinerWorkAreaEvent event) {
+		switch (event.getDataMinerWorkAreaElementType()) {
+		case Computations:
+			refreshWSResourceExplorerPanel();
+			break;
+		case InputDataSets:
+			break;
+		case OutputDataSets:
+			break;
+		default:
+			break;
+		}
+
+	}
+
+	private void create(DataMinerWorkAreaEvent event) {
+		try {
+
+			if (event == null
+					|| event.getDataMinerWorkArea() == null
+					|| event.getDataMinerWorkArea().getComputations() == null
+					|| event.getDataMinerWorkArea().getComputations()
+							.getFolder() == null
+					|| event.getDataMinerWorkArea().getComputations()
+							.getFolder().getId() == null
+					|| event.getDataMinerWorkArea().getComputations()
+							.getFolder().getId().isEmpty()) {
+				if (v != null) {
+					remove(v);
+					forceLayout();
+				}
+				return;
+
+			}
+			
+			List<String> showProperties = new ArrayList<String>();
+			showProperties.add(ComputationsProperties.COMPUTATION_ID.getLabel());
+			showProperties.add(ComputationsProperties.OPERATOR_NAME.getLabel());
+			//showProperties.add(ComputationsProperties.OPERATOR_DESCRIPTION.getLabel());
+			showProperties.add(ComputationsProperties.START_DATE.getLabel());
+			showProperties.add(ComputationsProperties.END_DATE.getLabel());
+			showProperties.add(ComputationsProperties.STATUS.getLabel());
+			showProperties.add(ComputationsProperties.VRE.getLabel());
+			//showProperties.add(ComputationsProperties.EXECUTION_TYPE.getLabel());
+		
+			FilterCriteria filterCriteria = new FilterCriteria();
+			Map<String, String> map = new HashMap<String, String>();
+			filterCriteria.setRequiredProperties(map);
+			
+			wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanel(
+					event.getDataMinerWorkArea().getComputations().getFolder()
+							.getId(), false, showProperties, filterCriteria);
+			WorskpaceExplorerSelectNotificationListener wsResourceExplorerListener = new WorskpaceExplorerSelectNotificationListener() {
+				@Override
+				public void onSelectedItem(Item item) {
+					Log.debug("Listener Selected Item " + item);
+					selectedItem = item;
+
+				}
+
+				@Override
+				public void onFailed(Throwable throwable) {
+					Log.error(throwable.getLocalizedMessage());
+					throwable.printStackTrace();
+				}
+
+				@Override
+				public void onAborted() {
+
+				}
+
+				@Override
+				public void onNotValidSelection() {
+					selectedItem = null;
+				}
+			};
+
+			wsResourcesExplorerPanel
+					.addWorkspaceExplorerSelectNotificationListener(wsResourceExplorerListener);
+			wsResourcesExplorerPanel.ensureDebugId("wsResourceExplorerPanel");
+
+			VerticalLayoutContainer vResourcesExplorerContainer = new VerticalLayoutContainer();
+			vResourcesExplorerContainer.setScrollMode(ScrollMode.AUTO);
+			vResourcesExplorerContainer.add(wsResourcesExplorerPanel,
+					new VerticalLayoutData(1, -1, new Margins(0)));
+
+			// DND
+
+			dnd = new MultipleDNDUpload();
+			dnd.setParameters(event.getDataMinerWorkArea().getComputations()
+					.getFolder().getId(), UPLOAD_TYPE.File);
+			dnd.addUniqueContainer(vResourcesExplorerContainer);
+			WorskpaceUploadNotificationListener workspaceUploaderListener = new WorskpaceUploadNotificationListener() {
+
+				@Override
+				public void onUploadCompleted(String parentId, String itemId) {
+					Log.debug("Upload completed: [parentID: " + parentId
+							+ ", itemId: " + itemId + "]");
+					wsResourcesExplorerPanel.refreshRootFolderView();
+					forceLayout();
+
+				}
+
+				@Override
+				public void onUploadAborted(String parentId, String itemId) {
+					Log.debug("Upload Aborted: [parentID: " + parentId
+							+ ", itemId: " + itemId + "]");
+				}
+
+				@Override
+				public void onError(String parentId, String itemId,
+						Throwable throwable) {
+					Log.debug("Upload Error: [parentID: " + parentId
+							+ ", itemId: " + itemId + "]");
+					throwable.printStackTrace();
+				}
+
+				@Override
+				public void onOverwriteCompleted(String parentId, String itemId) {
+					Log.debug("Upload Override Completed: [parentID: "
+							+ parentId + ", itemId: " + itemId + "]");
+					wsResourcesExplorerPanel.refreshRootFolderView();
+					forceLayout();
+				}
+			};
+
+			dnd.addWorkspaceUploadNotificationListener(workspaceUploaderListener);
+
+			// ToolBar
+			btnShow = new TextButton("Show");
+			// btnOpen.setIcon(StatAlgoImporterResources.INSTANCE.download16());
+			btnShow.setScale(ButtonScale.SMALL);
+			btnShow.setIconAlign(IconAlign.LEFT);
+			btnShow.setToolTip("Show");
+			btnShow.addSelectHandler(new SelectHandler() {
+
+				@Override
+				public void onSelect(SelectEvent event) {
+					showComputation();
+				}
+
+			});
+			
+			
+			btnOpen = new TextButton("Open");
+			// btnOpen.setIcon(StatAlgoImporterResources.INSTANCE.download16());
+			btnOpen.setScale(ButtonScale.SMALL);
+			btnOpen.setIconAlign(IconAlign.LEFT);
+			btnOpen.setToolTip("Open");
+			btnOpen.addSelectHandler(new SelectHandler() {
+
+				@Override
+				public void onSelect(SelectEvent event) {
+					openFile();
+				}
+
+			});
+
+			btnDelete = new TextButton("Delete");
+			// btnDelete.setIcon(StatAlgoImporterResources.INSTANCE.delete16());
+			btnDelete.setScale(ButtonScale.SMALL);
+			btnDelete.setIconAlign(IconAlign.LEFT);
+			btnDelete.setToolTip("Delete");
+			btnDelete.addSelectHandler(new SelectHandler() {
+
+				@Override
+				public void onSelect(SelectEvent event) {
+					deleteItem(event);
+				}
+
+			});
+
+			btnRefresh = new TextButton("Refresh");
+			// btnRefresh.setIcon(StatAlgoImporterResources.INSTANCE.reload16());
+			btnRefresh.setScale(ButtonScale.SMALL);
+			btnRefresh.setIconAlign(IconAlign.LEFT);
+			btnRefresh.setToolTip("Refresh");
+			btnRefresh.addSelectHandler(new SelectHandler() {
+
+				@Override
+				public void onSelect(SelectEvent event) {
+					refreshWSResourceExplorerPanel();
+				}
+
+			});
+			
+			btnResubmit = new TextButton("Resubmit");
+			// btnResubmit.setIcon(StatAlgoImporterResources.INSTANCE.reload16());
+			btnResubmit.setScale(ButtonScale.SMALL);
+			btnResubmit.setIconAlign(IconAlign.LEFT);
+			btnResubmit.setToolTip("Resubmit");
+			btnResubmit.addSelectHandler(new SelectHandler() {
+
+				@Override
+				public void onSelect(SelectEvent event) {
+					resubmitComputation();
+				}
+
+			});
+			
+			
+			
+			
+			btnCancel = new TextButton("Cancel");
+			// btnCancel.setIcon(StatAlgoImporterResources.INSTANCE.reload16());
+			btnCancel.setScale(ButtonScale.SMALL);
+			btnCancel.setIconAlign(IconAlign.LEFT);
+			btnCancel.setToolTip("Cancel");
+			btnCancel.addSelectHandler(new SelectHandler() {
+
+				@Override
+				public void onSelect(SelectEvent event) {
+					cancelComputation();
+				}
+
+			});
+			
+
+			ToolBar toolBar = new ToolBar();
+			toolBar.add(btnShow, new BoxLayoutData(new Margins(0)));
+			toolBar.add(btnOpen, new BoxLayoutData(new Margins(0)));
+			toolBar.add(btnDelete, new BoxLayoutData(new Margins(0)));
+			toolBar.add(btnRefresh, new BoxLayoutData(new Margins(0)));
+			toolBar.add(btnResubmit, new BoxLayoutData(new Margins(0)));
+			toolBar.add(btnCancel, new BoxLayoutData(new Margins(0)));
+
+			v = new VerticalLayoutContainer();
+
+			v.add(toolBar, new VerticalLayoutData(1, -1, new Margins(0)));
+			v.add(dnd, new VerticalLayoutData(1, 1, new Margins(0)));
+			add(v);
+			forceLayout();
+
+		} catch (Exception e) {
+			Log.error("Error opening wsResourceExplorerPanel");
+			e.printStackTrace();
+		}
+	}
+
+
+	
+
+	private void refreshWSResourceExplorerPanel() {
+		if (wsResourcesExplorerPanel != null) {
+			wsResourcesExplorerPanel.refreshRootFolderView();
+		}
+	}
+
+	private void refreshWSResourceExplorerPanel(DataMinerWorkAreaEvent event) {
+		try {
+
+			if (v != null) {
+				remove(v);
+				create(event);
+			} else {
+				create(event);
+			}
+
+		} catch (Throwable e) {
+			Log.error("Error in ComputationsPanel: " + e.getLocalizedMessage());
+			e.printStackTrace();
+		}
+	}
+
+	private void deleteItem(SelectEvent event) {
+		ItemDescription itemDescription = new ItemDescription(
+				selectedItem.getId(), selectedItem.getName(),
+				selectedItem.getOwner(), selectedItem.getPath(), selectedItem
+						.getType().name());
+		DeleteItemRequestEvent deleteItemEvent = new DeleteItemRequestEvent(
+				DataMinerWorkAreaElementType.Computations, itemDescription);
+		EventBusProvider.INSTANCE.fireEvent(deleteItemEvent);
+		Log.debug("Fired: " + deleteItemEvent);
+	}
+	
+	private void showComputation() {
+		if (selectedItem != null) {
+
+			final ItemDescription itemDescription = new ItemDescription(
+					selectedItem.getId(), selectedItem.getName(),
+					selectedItem.getOwner(), selectedItem.getPath(),
+					selectedItem.getType().name());
+			
+			ComputationDataRequestEvent event=new ComputationDataRequestEvent(itemDescription);
+			EventBusProvider.INSTANCE.fireEvent(event);
+
+		} else {
+			UtilsGXT3.info("Attention", "Select a computation!");
+		}
+
+		
+	}
+
+	private void openFile() {
+		if (selectedItem != null && !selectedItem.isFolder()) {
+
+			final ItemDescription itemDescription = new ItemDescription(
+					selectedItem.getId(), selectedItem.getName(),
+					selectedItem.getOwner(), selectedItem.getPath(),
+					selectedItem.getType().name());
+
+			DataMinerPortletServiceAsync.INSTANCE.getPublicLink(
+					itemDescription, new AsyncCallback<String>() {
+
+						@Override
+						public void onFailure(Throwable caught) {
+							if (caught instanceof ExpiredSessionServiceException) {
+								EventBusProvider.INSTANCE
+										.fireEvent(new SessionExpiredEvent());
+							} else {
+								Log.error("Error open file: "
+										+ caught.getLocalizedMessage());
+								UtilsGXT3.alert("Error",
+										caught.getLocalizedMessage());
+							}
+							caught.printStackTrace();
+
+						}
+
+						@Override
+						public void onSuccess(String link) {
+							Log.debug("Retrieved link: " + link);
+							Window.open(link, itemDescription.getName(), "");
+						}
+
+					});
+
+		} else {
+			UtilsGXT3.info("Attention", "Select a file!");
+		}
+
+	}
+	
+	private void cancelComputation() {
+		// TODO Auto-generated method stub
+		
+	}
+
+	private void resubmitComputation() {
+		if (selectedItem != null) {
+			ItemDescription itemDescription = new ItemDescription(
+					selectedItem.getId(), selectedItem.getName(),
+					selectedItem.getOwner(), selectedItem.getPath(), selectedItem
+							.getType().name());
+			ResubmitComputationExecutionRequestEvent resubmitComputationEvent = new ResubmitComputationExecutionRequestEvent(
+					 itemDescription);
+			EventBusProvider.INSTANCE.fireEvent(resubmitComputationEvent);
+			Log.debug("Fired: " + resubmitComputationEvent);
+		} else {
+			UtilsGXT3.info("Attention", "Select a computation!");
+		}
+		
+	}
+
+
+}

src/main/java/org/gcube/portlets/user/dataminermanager/client/computations/ComputationsPanel.java

@@ -1,45 +1,12 @@
+/**
+ * 
+ */
 package org.gcube.portlets.user.dataminermanager.client.computations;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
-import org.gcube.portlets.user.dataminermanager.client.events.DataMinerWorkAreaEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.DeleteItemRequestEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.RefreshDataMinerWorkAreaEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.ResubmitComputationExecutionRequestEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.SessionExpiredEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.UIStateEvent;
-import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServiceAsync;
-import org.gcube.portlets.user.dataminermanager.client.type.DataMinerWorkAreaElementType;
-import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
-import org.gcube.portlets.user.dataminermanager.shared.exception.ExpiredSessionServiceException;
-import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription;
-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.MultipleDNDUpload;
-import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanel;
-import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
-import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
-import org.gcube.portlets.widgets.wsexplorer.shared.Item;
-
-import com.allen_sauer.gwt.log.client.Log;
-import com.google.gwt.user.client.Window;
-import com.google.gwt.user.client.rpc.AsyncCallback;
-import com.sencha.gxt.cell.core.client.ButtonCell.ButtonScale;
-import com.sencha.gxt.cell.core.client.ButtonCell.IconAlign;
-import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
 import com.sencha.gxt.core.client.util.Margins;
 import com.sencha.gxt.widget.core.client.FramedPanel;
-import com.sencha.gxt.widget.core.client.button.TextButton;
-import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
 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;
-import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
 
 /**
  * 
@@ -49,422 +16,26 @@ import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
  */
 public class ComputationsPanel extends FramedPanel {
 
-	private Item selectedItem;
-	private MultipleDNDUpload dnd;
-	private WorkspaceResourcesExplorerPanel wsResourcesExplorerPanel;
-	private TextButton btnOpen;
-	private TextButton btnDelete;
-	private TextButton btnRefresh;
-	private TextButton btnResubmit;
-	private TextButton btnCancel;
-	private VerticalLayoutContainer v;
-
 	public ComputationsPanel() {
 		super();
-		Log.debug("ComputationsPanel");
-
-		// msgs = GWT.create(ServiceCategoryMessages.class);
 		init();
-		bindToEvents();
+		create();
-
 	}
 
 	private void init() {
-		setId("ComputationsPanel");
-		forceLayoutOnResize = true;
-		setBodyBorder(true);
 		setBodyStyle("backgroundColor:white;");
-		setHeaderVisible(true);
+		setBodyBorder(true);
-		setResize(true);
-		setAnimCollapse(false);
 		setHeadingText("Computations");
-
+		setHeaderVisible(true);
 	}
 
-	private void bindToEvents() {
+	private void create() {
-
+		VerticalLayoutContainer v = new VerticalLayoutContainer();
-		EventBusProvider.INSTANCE.addHandler(UIStateEvent.TYPE,
+		ComputationsExecutedPanel importedDataPanel = new ComputationsExecutedPanel();
-				new UIStateEvent.UIStateEventHandler() {
+		ComputationsViewerPanel computedDataPanel = new ComputationsViewerPanel();
-
+		v.add(importedDataPanel, new VerticalLayoutData(1, 0.5, new Margins(0)));
-					@Override
+		v.add(computedDataPanel, new VerticalLayoutData(1, 0.5, new Margins(0)));
-					public void onChange(UIStateEvent event) {
-						manageStateEvents(event);
-
-					}
-				});
-
-		EventBusProvider.INSTANCE.addHandler(DataMinerWorkAreaEvent.TYPE,
-				new DataMinerWorkAreaEvent.DataMinerWorkAreaEventHandler() {
-
-					@Override
-					public void onChange(DataMinerWorkAreaEvent event) {
-						manageDataMinerWorkAreaEvents(event);
-
-					}
-
-				});
-
-		EventBusProvider.INSTANCE
-				.addHandler(
-						RefreshDataMinerWorkAreaEvent.TYPE,
-						new RefreshDataMinerWorkAreaEvent.RefreshDataMinerWorkAreaEventHandler() {
-
-							@Override
-							public void onRefresh(
-									RefreshDataMinerWorkAreaEvent event) {
-								manageRefreshDataMinerWorkAreaEvents(event);
-
-							}
-
-						});
-
-	}
-
-	private void manageStateEvents(UIStateEvent event) {
-		Log.debug("ComputationsPanel recieved UIStateEvent: "
-				+ event.toString());
-		switch (event.getUiStateType()) {
-		case START:
-			break;
-		case WAITING:
-			break;
-		case UPDATE:
-			break;
-		default:
-			break;
-		}
-	}
-
-	private void manageDataMinerWorkAreaEvents(DataMinerWorkAreaEvent event) {
-
-		Log.debug("ComputationsPanel recieved UIStateEvent: "
-				+ event.toString());
-		switch (event.getDataMinerWorkAreaEventType()) {
-		case OPEN:
-		case UPDATE:
-			refreshWSResourceExplorerPanel(event);
-			break;
-		default:
-			break;
-		}
-
-	}
-
-	private void manageRefreshDataMinerWorkAreaEvents(
-			RefreshDataMinerWorkAreaEvent event) {
-		switch (event.getDataMinerWorkAreaElementType()) {
-		case Computations:
-			refreshWSResourceExplorerPanel();
-			break;
-		case InputDataSets:
-			break;
-		case OutputDataSets:
-			break;
-		default:
-			break;
-		}
-
-	}
-
-	private void create(DataMinerWorkAreaEvent event) {
-		try {
-
-			if (event == null
-					|| event.getDataMinerWorkArea() == null
-					|| event.getDataMinerWorkArea().getComputations() == null
-					|| event.getDataMinerWorkArea().getComputations()
-							.getFolder() == null
-					|| event.getDataMinerWorkArea().getComputations()
-							.getFolder().getId() == null
-					|| event.getDataMinerWorkArea().getComputations()
-							.getFolder().getId().isEmpty()) {
-				if (v != null) {
-					remove(v);
-					forceLayout();
-				}
-				return;
-
-			}
-			
-			List<String> showProperties = new ArrayList<String>();
-			showProperties.add(ComputationsProperties.COMPUTATION_ID.getLabel());
-			showProperties.add(ComputationsProperties.OPERATOR_NAME.getLabel());
-			//showProperties.add(ComputationsProperties.OPERATOR_DESCRIPTION.getLabel());
-			showProperties.add(ComputationsProperties.START_DATE.getLabel());
-			showProperties.add(ComputationsProperties.END_DATE.getLabel());
-			showProperties.add(ComputationsProperties.STATUS.getLabel());
-			showProperties.add(ComputationsProperties.VRE.getLabel());
-			//showProperties.add(ComputationsProperties.EXECUTION_TYPE.getLabel());
-		
-			FilterCriteria filterCriteria = new FilterCriteria();
-			Map<String, String> map = new HashMap<String, String>();
-			filterCriteria.setRequiredProperties(map);
-			
-			wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanel(
-					event.getDataMinerWorkArea().getComputations().getFolder()
-							.getId(), false, showProperties, filterCriteria);
-			WorskpaceExplorerSelectNotificationListener wsResourceExplorerListener = new WorskpaceExplorerSelectNotificationListener() {
-				@Override
-				public void onSelectedItem(Item item) {
-					Log.debug("Listener Selected Item " + item);
-					selectedItem = item;
-
-				}
-
-				@Override
-				public void onFailed(Throwable throwable) {
-					Log.error(throwable.getLocalizedMessage());
-					throwable.printStackTrace();
-				}
-
-				@Override
-				public void onAborted() {
-
-				}
-
-				@Override
-				public void onNotValidSelection() {
-					selectedItem = null;
-				}
-			};
-
-			wsResourcesExplorerPanel
-					.addWorkspaceExplorerSelectNotificationListener(wsResourceExplorerListener);
-			wsResourcesExplorerPanel.ensureDebugId("wsResourceExplorerPanel");
-
-			VerticalLayoutContainer vResourcesExplorerContainer = new VerticalLayoutContainer();
-			vResourcesExplorerContainer.setScrollMode(ScrollMode.AUTO);
-			vResourcesExplorerContainer.add(wsResourcesExplorerPanel,
-					new VerticalLayoutData(1, -1, new Margins(0)));
-
-			// DND
-
-			dnd = new MultipleDNDUpload();
-			dnd.setParameters(event.getDataMinerWorkArea().getComputations()
-					.getFolder().getId(), UPLOAD_TYPE.File);
-			dnd.addUniqueContainer(vResourcesExplorerContainer);
-			WorskpaceUploadNotificationListener workspaceUploaderListener = new WorskpaceUploadNotificationListener() {
-
-				@Override
-				public void onUploadCompleted(String parentId, String itemId) {
-					Log.debug("Upload completed: [parentID: " + parentId
-							+ ", itemId: " + itemId + "]");
-					wsResourcesExplorerPanel.refreshRootFolderView();
-					forceLayout();
-
-				}
-
-				@Override
-				public void onUploadAborted(String parentId, String itemId) {
-					Log.debug("Upload Aborted: [parentID: " + parentId
-							+ ", itemId: " + itemId + "]");
-				}
-
-				@Override
-				public void onError(String parentId, String itemId,
-						Throwable throwable) {
-					Log.debug("Upload Error: [parentID: " + parentId
-							+ ", itemId: " + itemId + "]");
-					throwable.printStackTrace();
-				}
-
-				@Override
-				public void onOverwriteCompleted(String parentId, String itemId) {
-					Log.debug("Upload Override Completed: [parentID: "
-							+ parentId + ", itemId: " + itemId + "]");
-					wsResourcesExplorerPanel.refreshRootFolderView();
-					forceLayout();
-				}
-			};
-
-			dnd.addWorkspaceUploadNotificationListener(workspaceUploaderListener);
-
-			// ToolBar
-			btnOpen = new TextButton("Open");
-			// btnOpen.setIcon(StatAlgoImporterResources.INSTANCE.download16());
-			btnOpen.setScale(ButtonScale.SMALL);
-			btnOpen.setIconAlign(IconAlign.LEFT);
-			btnOpen.setToolTip("Open");
-			btnOpen.addSelectHandler(new SelectHandler() {
-
-				@Override
-				public void onSelect(SelectEvent event) {
-					openFile();
-				}
-
-			});
-
-			btnDelete = new TextButton("Delete");
-			// btnDelete.setIcon(StatAlgoImporterResources.INSTANCE.delete16());
-			btnDelete.setScale(ButtonScale.SMALL);
-			btnDelete.setIconAlign(IconAlign.LEFT);
-			btnDelete.setToolTip("Delete");
-			btnDelete.addSelectHandler(new SelectHandler() {
-
-				@Override
-				public void onSelect(SelectEvent event) {
-					deleteItem(event);
-				}
-
-			});
-
-			btnRefresh = new TextButton("Refresh");
-			// btnRefresh.setIcon(StatAlgoImporterResources.INSTANCE.reload16());
-			btnRefresh.setScale(ButtonScale.SMALL);
-			btnRefresh.setIconAlign(IconAlign.LEFT);
-			btnRefresh.setToolTip("Refresh");
-			btnRefresh.addSelectHandler(new SelectHandler() {
-
-				@Override
-				public void onSelect(SelectEvent event) {
-					refreshWSResourceExplorerPanel();
-				}
-
-			});
-			
-			btnResubmit = new TextButton("Resubmit");
-			// btnResubmit.setIcon(StatAlgoImporterResources.INSTANCE.reload16());
-			btnResubmit.setScale(ButtonScale.SMALL);
-			btnResubmit.setIconAlign(IconAlign.LEFT);
-			btnResubmit.setToolTip("Resubmit");
-			btnResubmit.addSelectHandler(new SelectHandler() {
-
-				@Override
-				public void onSelect(SelectEvent event) {
-					resubmitComputation();
-				}
-
-			});
-			
-			btnCancel = new TextButton("Cancel");
-			// btnCancel.setIcon(StatAlgoImporterResources.INSTANCE.reload16());
-			btnCancel.setScale(ButtonScale.SMALL);
-			btnCancel.setIconAlign(IconAlign.LEFT);
-			btnCancel.setToolTip("Cancel");
-			btnCancel.addSelectHandler(new SelectHandler() {
-
-				@Override
-				public void onSelect(SelectEvent event) {
-					cancelComputation();
-				}
-
-			});
-			
-
-			ToolBar toolBar = new ToolBar();
-			toolBar.add(btnOpen, new BoxLayoutData(new Margins(0)));
-			toolBar.add(btnDelete, new BoxLayoutData(new Margins(0)));
-			toolBar.add(btnRefresh, new BoxLayoutData(new Margins(0)));
-			toolBar.add(btnResubmit, new BoxLayoutData(new Margins(0)));
-			toolBar.add(btnCancel, new BoxLayoutData(new Margins(0)));
-
-			v = new VerticalLayoutContainer();
-
-			v.add(toolBar, new VerticalLayoutData(1, -1, new Margins(0)));
-			v.add(dnd, new VerticalLayoutData(1, 1, new Margins(0)));
 		add(v);
-			forceLayout();
-
-		} catch (Exception e) {
-			Log.error("Error opening wsResourceExplorerPanel");
-			e.printStackTrace();
-		}
-	}
-
-
-	private void refreshWSResourceExplorerPanel() {
-		if (wsResourcesExplorerPanel != null) {
-			wsResourcesExplorerPanel.refreshRootFolderView();
-		}
-	}
-
-	private void refreshWSResourceExplorerPanel(DataMinerWorkAreaEvent event) {
-		try {
-
-			if (v != null) {
-				remove(v);
-				create(event);
-			} else {
-				create(event);
-			}
-
-		} catch (Throwable e) {
-			Log.error("Error in ComputationsPanel: " + e.getLocalizedMessage());
-			e.printStackTrace();
-		}
-	}
-
-	private void deleteItem(SelectEvent event) {
-		ItemDescription itemDescription = new ItemDescription(
-				selectedItem.getId(), selectedItem.getName(),
-				selectedItem.getOwner(), selectedItem.getPath(), selectedItem
-						.getType().name());
-		DeleteItemRequestEvent deleteItemEvent = new DeleteItemRequestEvent(
-				DataMinerWorkAreaElementType.Computations, itemDescription);
-		EventBusProvider.INSTANCE.fireEvent(deleteItemEvent);
-		Log.debug("Fired: " + deleteItemEvent);
-	}
-
-	private void openFile() {
-		if (selectedItem != null && !selectedItem.isFolder()) {
-
-			final ItemDescription itemDescription = new ItemDescription(
-					selectedItem.getId(), selectedItem.getName(),
-					selectedItem.getOwner(), selectedItem.getPath(),
-					selectedItem.getType().name());
-
-			DataMinerPortletServiceAsync.INSTANCE.getPublicLink(
-					itemDescription, new AsyncCallback<String>() {
-
-						@Override
-						public void onFailure(Throwable caught) {
-							if (caught instanceof ExpiredSessionServiceException) {
-								EventBusProvider.INSTANCE
-										.fireEvent(new SessionExpiredEvent());
-							} else {
-								Log.error("Error open file: "
-										+ caught.getLocalizedMessage());
-								UtilsGXT3.alert("Error",
-										caught.getLocalizedMessage());
-							}
-							caught.printStackTrace();
-
-						}
-
-						@Override
-						public void onSuccess(String link) {
-							Log.debug("Retrieved link: " + link);
-							Window.open(link, itemDescription.getName(), "");
-						}
-
-					});
-
-		} else {
-			UtilsGXT3.info("Attention", "Select a file!");
 	}
 
 }
-	
-	private void cancelComputation() {
-		// TODO Auto-generated method stub
-		
-	}
-
-	private void resubmitComputation() {
-		if (selectedItem != null) {
-			ItemDescription itemDescription = new ItemDescription(
-					selectedItem.getId(), selectedItem.getName(),
-					selectedItem.getOwner(), selectedItem.getPath(), selectedItem
-							.getType().name());
-			ResubmitComputationExecutionRequestEvent resubmitComputationEvent = new ResubmitComputationExecutionRequestEvent(
-					 itemDescription);
-			EventBusProvider.INSTANCE.fireEvent(resubmitComputationEvent);
-			Log.debug("Fired: " + resubmitComputationEvent);
-		} else {
-			UtilsGXT3.info("Attention", "Select a computation!");
-		}
-		
-	}
-
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/computations/ComputationsViewerPanel.java

@@ -0,0 +1,309 @@
+package org.gcube.portlets.user.dataminermanager.client.computations;
+
+import java.util.LinkedHashMap;
+
+import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
+import org.gcube.portlets.user.dataminermanager.client.events.ComputationDataEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.DataMinerWorkAreaEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.RefreshDataMinerWorkAreaEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.UIStateEvent;
+import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationData;
+
+import com.allen_sauer.gwt.log.client.Log;
+import com.google.gwt.dom.client.Style.Unit;
+import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
+import com.sencha.gxt.core.client.util.Margins;
+import com.sencha.gxt.widget.core.client.FramedPanel;
+import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
+import com.sencha.gxt.widget.core.client.container.SimpleContainer;
+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.form.FieldLabel;
+import com.sencha.gxt.widget.core.client.form.FieldSet;
+import com.sencha.gxt.widget.core.client.form.TextArea;
+import com.sencha.gxt.widget.core.client.form.TextField;
+
+/**
+ * 
+ * @author Giancarlo Panichi email: <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class ComputationsViewerPanel extends FramedPanel {
+
+	private VerticalLayoutContainer v;
+	private ComputationData computationData;
+
+	public ComputationsViewerPanel() {
+		super();
+		Log.debug("ComputationsPanel");
+
+		// msgs = GWT.create(ServiceCategoryMessages.class);
+		init();
+		bindToEvents();
+		create();
+
+	}
+
+	private void init() {
+		setId("ComputationsViewerPanel");
+		forceLayoutOnResize = true;
+		setBodyBorder(true);
+		setBodyStyle("backgroundColor:white;");
+		setHeaderVisible(true);
+		setResize(true);
+		setAnimCollapse(false);
+		setHeadingText("Computations Viewer");
+
+	}
+
+	private void create() {
+		v = new VerticalLayoutContainer();
+		v.setScrollMode(ScrollMode.AUTO);
+		add(v);
+	}
+
+	private void bindToEvents() {
+
+		EventBusProvider.INSTANCE.addHandler(UIStateEvent.TYPE,
+				new UIStateEvent.UIStateEventHandler() {
+
+					@Override
+					public void onChange(UIStateEvent event) {
+						Log.debug("Catch UIStateEvent: " + event);
+						manageStateEvents(event);
+
+					}
+				});
+
+		EventBusProvider.INSTANCE.addHandler(DataMinerWorkAreaEvent.TYPE,
+				new DataMinerWorkAreaEvent.DataMinerWorkAreaEventHandler() {
+
+					@Override
+					public void onChange(DataMinerWorkAreaEvent event) {
+						Log.debug("Catch DataMinerWorkAreaEvent: " + event);
+						manageDataMinerWorkAreaEvents(event);
+
+					}
+
+				});
+
+		EventBusProvider.INSTANCE
+				.addHandler(
+						RefreshDataMinerWorkAreaEvent.TYPE,
+						new RefreshDataMinerWorkAreaEvent.RefreshDataMinerWorkAreaEventHandler() {
+
+							@Override
+							public void onRefresh(
+									RefreshDataMinerWorkAreaEvent event) {
+								Log.debug("Catch RefreshDataMinerWorkAreaEvent: "
+										+ event);
+								manageRefreshDataMinerWorkAreaEvents(event);
+							}
+
+						});
+
+		EventBusProvider.INSTANCE.addHandler(ComputationDataEvent.getType(),
+				new ComputationDataEvent.ComputationDataEventHandler() {
+
+					@Override
+					public void onComputationData(ComputationDataEvent event) {
+						Log.debug("Catch ComputationDataEvent: " + event);
+						showOutput(event);
+
+					}
+
+				});
+
+	}
+
+	private void manageStateEvents(UIStateEvent event) {
+
+		switch (event.getUiStateType()) {
+		case START:
+			break;
+		case WAITING:
+			break;
+		case UPDATE:
+			break;
+		default:
+			break;
+		}
+	}
+
+	private void manageDataMinerWorkAreaEvents(DataMinerWorkAreaEvent event) {
+		switch (event.getDataMinerWorkAreaEventType()) {
+		case OPEN:
+		case UPDATE:
+			resetPanel();
+			break;
+		default:
+			break;
+		}
+
+	}
+
+	private void manageRefreshDataMinerWorkAreaEvents(
+			RefreshDataMinerWorkAreaEvent event) {
+		switch (event.getDataMinerWorkAreaElementType()) {
+		case Computations:
+			resetPanel();
+			break;
+		case InputDataSets:
+			break;
+		case OutputDataSets:
+			break;
+		default:
+			break;
+		}
+
+	}
+
+	public void resetPanel() {
+		v.clear();
+		SimpleContainer sectionTitle=new SimpleContainer();
+		HtmlLayoutContainer title=new HtmlLayoutContainer(
+				"<br><center>No computation selected.</center>");
+		sectionTitle.add(title);
+		v.add(sectionTitle, new VerticalLayoutData(-1, -1, new Margins(15)));
+		computationData=null;
+		forceLayout();
+	}
+
+	private void showOutput(ComputationDataEvent event) {
+		v.clear();
+		computationData = event.getComputationData();
+		addComputationData();
+	}
+
+	/**
+	 * 
+	 */
+	private void addComputationData() {
+		if(computationData==null){
+			Log.error("ComputationData is null!");
+			UtilsGXT3.alert("Error", "No information on computation is retrieved!");
+			return;
+		}
+		
+		
+		SimpleContainer sectionTitle=new SimpleContainer();
+		// title
+		HtmlLayoutContainer title = new HtmlLayoutContainer(
+				".: Computation Report of <b>" + computationData.getComputationId().getId() + "</b>");
+		sectionTitle.add(title);
+		
+		//v.add(sectionTitle, new VerticalLayoutData(1, -1, new Margins(15)));
+		
+		
+		if(computationData.getOutputParameters()!=null&&!computationData.getOutputParameters().isEmpty()){
+			VerticalLayoutContainer outputVBox=new VerticalLayoutContainer();
+		    LinkedHashMap<String,String> output=computationData.getOutputParameters();
+			for(String key:output.keySet()){		
+				TextField textField=new TextField();
+				textField.setValue(output.get(key));
+				textField.setReadOnly(true);
+				FieldLabel fieldLabel=new FieldLabel(textField, key);
+				fieldLabel.setLabelWidth(200);
+				fieldLabel.setLabelWordWrap(true);
+				outputVBox.add(fieldLabel,new VerticalLayoutData(1, -1, new Margins(4)));
+			}
+			
+			FieldSet outputFieldSet=new FieldSet();
+			outputFieldSet.setHeadingText("Output Result");
+			outputFieldSet.setCollapsible(true);
+			outputFieldSet.add(outputVBox);
+			outputFieldSet.getElement().getStyle().setMarginRight(15, Unit.PX);
+			v.add(outputFieldSet, new VerticalLayoutData(1, -1, new Margins(15)));
+		}
+		
+		if(computationData.getInputParameters()!=null&&!computationData.getInputParameters().isEmpty()){
+			VerticalLayoutContainer inputVBox=new VerticalLayoutContainer();
+			LinkedHashMap<String,String> input=computationData.getInputParameters();
+			for(String key:input.keySet()){		
+				TextField textField=new TextField();
+				textField.setValue(input.get(key));
+				textField.setReadOnly(true);
+				FieldLabel fieldLabel=new FieldLabel(textField, key);
+				fieldLabel.setLabelWidth(200);
+				fieldLabel.setLabelWordWrap(true);
+				inputVBox.add(fieldLabel,new VerticalLayoutData(1, -1, new Margins(4)));
+			}
+			
+			FieldSet inputFieldSet=new FieldSet();
+			inputFieldSet.setHeadingText("Input Parameters");
+			inputFieldSet.setCollapsible(true);
+			inputFieldSet.add(inputVBox);
+			inputFieldSet.getElement().getStyle().setMarginRight(15, Unit.PX);
+			v.add(inputFieldSet, new VerticalLayoutData(1, -1, new Margins(15)));
+		}
+		
+		VerticalLayoutContainer detailsVBox=new VerticalLayoutContainer();
+		TextField startDateField=new TextField();
+		startDateField.setValue(computationData.getStartDate());
+		startDateField.setReadOnly(true);
+		FieldLabel startDateLabel=new FieldLabel(startDateField, "Start Date");
+		startDateLabel.setLabelWidth(200);
+		startDateLabel.setLabelWordWrap(true);
+		detailsVBox.add(startDateLabel,new VerticalLayoutData(1, -1, new Margins(4)));
+		
+		TextField endDateField=new TextField();
+		endDateField.setValue(computationData.getEndDate());
+		endDateField.setReadOnly(true);
+		FieldLabel endDateLabel=new FieldLabel(endDateField, "End Date");
+		endDateLabel.setLabelWidth(200);
+		endDateLabel.setLabelWordWrap(true);
+		detailsVBox.add(endDateLabel,new VerticalLayoutData(1, -1, new Margins(4)));
+		
+		TextField statusField=new TextField();
+		statusField.setValue(computationData.getStatus());
+		statusField.setReadOnly(true);
+		FieldLabel statusLabel=new FieldLabel(statusField, "Status");
+		statusLabel.setLabelWidth(200);
+		statusLabel.setLabelWordWrap(true);
+		detailsVBox.add(statusLabel,new VerticalLayoutData(1, -1, new Margins(4)));
+		
+		TextField vreField=new TextField();
+		vreField.setValue(computationData.getVre());
+		vreField.setReadOnly(true);
+		FieldLabel vreLabel=new FieldLabel(vreField, "VRE");
+		vreLabel.setLabelWidth(200);
+		vreLabel.setLabelWordWrap(true);
+		detailsVBox.add(vreLabel,new VerticalLayoutData(1, -1, new Margins(4)));
+		
+		FieldSet detailsFieldSet=new FieldSet();
+		detailsFieldSet.setHeadingText("Computation Details");
+		detailsFieldSet.setCollapsible(true);
+		detailsFieldSet.add(detailsVBox);
+		detailsFieldSet.getElement().getStyle().setMarginRight(15, Unit.PX);
+		v.add(detailsFieldSet, new VerticalLayoutData(1, -1, new Margins(15)));
+		
+		VerticalLayoutContainer operatorVBox=new VerticalLayoutContainer();
+		TextField operatorNameField=new TextField();
+		operatorNameField.setValue(computationData.getComputationId().getOperatorName());
+		operatorNameField.setReadOnly(true);
+		FieldLabel operatorNameLabel=new FieldLabel(operatorNameField, "Operator Name");
+		operatorNameLabel.setLabelWidth(200);
+		operatorNameLabel.setLabelWordWrap(true);
+		operatorVBox.add(operatorNameLabel,new VerticalLayoutData(1, -1, new Margins(4)));	
+		
+		TextArea operatorDescriptionField=new TextArea();
+		operatorDescriptionField.setHeight("50px");
+		operatorDescriptionField.setValue(computationData.getOperatorDescription());
+		operatorDescriptionField.setReadOnly(true);
+		FieldLabel operatorDescriptionLabel=new FieldLabel(operatorDescriptionField, "Operator Description");
+		operatorDescriptionLabel.setLabelWidth(200);
+		operatorDescriptionLabel.setLabelWordWrap(true);
+		operatorVBox.add(operatorDescriptionLabel,new VerticalLayoutData(1, -1, new Margins(5)));	
+		
+		FieldSet operatorFieldSet=new FieldSet();
+		operatorFieldSet.setHeadingText("Operator Details");
+		operatorFieldSet.setCollapsible(true);
+		operatorFieldSet.add(operatorVBox);
+		operatorFieldSet.getElement().getStyle().setMarginRight(15, Unit.PX);
+		v.add(operatorFieldSet, new VerticalLayoutData(1, -1, new Margins(15)));
+		
+		forceLayout();
+	}
+}

src/main/java/org/gcube/portlets/user/dataminermanager/client/events/ComputationDataEvent.java

@@ -0,0 +1,64 @@
+package org.gcube.portlets.user.dataminermanager.client.events;
+
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationData;
+
+import com.google.gwt.event.shared.EventHandler;
+import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwt.event.shared.HasHandlers;
+
+/**
+ * Computation Data Event
+ * 
+ * 
+ * @author "Giancarlo Panichi" <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class ComputationDataEvent extends
+		GwtEvent<ComputationDataEvent.ComputationDataEventHandler> {
+
+	public static Type<ComputationDataEventHandler> TYPE = new Type<ComputationDataEventHandler>();
+	private ComputationData computationData;
+
+	public interface ComputationDataEventHandler extends EventHandler {
+		void onComputationData(ComputationDataEvent event);
+	}
+
+	public interface HasOutputShowResourceEventHandler extends HasHandlers {
+		public HandlerRegistration addOutputShowResourceEventHandler(
+				ComputationDataEventHandler handler);
+	}
+
+	public ComputationDataEvent(ComputationData computationData) {
+		this.computationData = computationData;
+	}
+
+	@Override
+	protected void dispatch(ComputationDataEventHandler handler) {
+		handler.onComputationData(this);
+	}
+
+	@Override
+	public Type<ComputationDataEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	public static Type<ComputationDataEventHandler> getType() {
+		return TYPE;
+	}
+
+	public static void fire(HasHandlers source, ComputationDataEvent event) {
+		source.fireEvent(event);
+	}
+
+	public ComputationData getComputationData() {
+		return computationData;
+	}
+
+	@Override
+	public String toString() {
+		return "ComputationDataEvent [computationData=" + computationData + "]";
+	}
+
+}

src/main/java/org/gcube/portlets/user/dataminermanager/client/events/ComputationDataRequestEvent.java

@@ -0,0 +1,67 @@
+package org.gcube.portlets.user.dataminermanager.client.events;
+
+import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription;
+
+import com.google.gwt.event.shared.EventHandler;
+import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwt.event.shared.HasHandlers;
+
+/**
+ * Output Show Request Event
+ * 
+ * 
+ * @author "Giancarlo Panichi" <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class ComputationDataRequestEvent
+		extends
+		GwtEvent<ComputationDataRequestEvent.ComputationDataRequestEventHandler> {
+
+	public static Type<ComputationDataRequestEventHandler> TYPE = new Type<ComputationDataRequestEventHandler>();
+	private ItemDescription itemDescription;
+
+	public interface ComputationDataRequestEventHandler extends EventHandler {
+		void onComputationDataRequest(ComputationDataRequestEvent event);
+	}
+
+	public interface HasComputationDataRequestEventHandler extends HasHandlers {
+		public HandlerRegistration addComputationDataRequestEventHandler(
+				ComputationDataRequestEventHandler handler);
+	}
+
+	public ComputationDataRequestEvent(ItemDescription itemDescription) {
+		this.itemDescription = itemDescription;
+	}
+
+	@Override
+	protected void dispatch(ComputationDataRequestEventHandler handler) {
+		handler.onComputationDataRequest(this);
+	}
+
+	@Override
+	public Type<ComputationDataRequestEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	public static Type<ComputationDataRequestEventHandler> getType() {
+		return TYPE;
+	}
+
+	public static void fire(HasHandlers source,
+			ComputationDataRequestEvent event) {
+		source.fireEvent(event);
+	}
+
+	public ItemDescription getItemDescription() {
+		return itemDescription;
+	}
+
+	@Override
+	public String toString() {
+		return "ComputationDataRequestEvent [itemDescription="
+				+ itemDescription + "]";
+	}
+
+}

src/main/java/org/gcube/portlets/user/dataminermanager/client/events/OutputDataEvent.java

@@ -0,0 +1,63 @@
+package org.gcube.portlets.user.dataminermanager.client.events;
+
+import org.gcube.portlets.user.dataminermanager.shared.data.OutputData;
+
+import com.google.gwt.event.shared.EventHandler;
+import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwt.event.shared.HasHandlers;
+
+/**
+ * Output Data Event
+ * 
+ * 
+ * @author "Giancarlo Panichi" <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class OutputDataEvent extends
+		GwtEvent<OutputDataEvent.OutputDataEventHandler> {
+	public static Type<OutputDataEventHandler> TYPE = new Type<OutputDataEventHandler>();
+	public OutputData outputData;
+
+	public interface OutputDataEventHandler extends EventHandler {
+		void onOutput(OutputDataEvent event);
+	}
+
+	public interface HasOutputDataEventHandler extends HasHandlers {
+		public HandlerRegistration addOutputDataEventHandler(
+				OutputDataEventHandler handler);
+	}
+
+	public OutputDataEvent(OutputData outputData) {
+		this.outputData = outputData;
+	}
+
+	@Override
+	protected void dispatch(OutputDataEventHandler handler) {
+		handler.onOutput(this);
+	}
+
+	@Override
+	public Type<OutputDataEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	public static Type<OutputDataEventHandler> getType() {
+		return TYPE;
+	}
+
+	public static void fire(HasHandlers source, OutputDataEvent event) {
+		source.fireEvent(event);
+	}
+
+	public OutputData getOutputData() {
+		return outputData;
+	}
+
+	@Override
+	public String toString() {
+		return "OutputDataEvent [outputData=" + outputData + "]";
+	}
+
+}

src/main/java/org/gcube/portlets/user/dataminermanager/client/events/OutputDataRequestEvent.java

@@ -0,0 +1,66 @@
+package org.gcube.portlets.user.dataminermanager.client.events;
+
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+
+import com.google.gwt.event.shared.EventHandler;
+import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwt.event.shared.HasHandlers;
+
+/**
+ * Output Data Request Event
+ * 
+ * 
+ * @author "Giancarlo Panichi" <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class OutputDataRequestEvent extends
+		GwtEvent<OutputDataRequestEvent.OutputDataRequestEventHandler> {
+
+	public static Type<OutputDataRequestEventHandler> TYPE = new Type<OutputDataRequestEventHandler>();
+	private ComputationId computationId;
+
+	public interface OutputDataRequestEventHandler extends EventHandler {
+		void onOutputRequest(OutputDataRequestEvent event);
+	}
+
+	public interface HasOutputDataRequestEventHandler extends HasHandlers {
+		public HandlerRegistration addOutputDataRequestEventHandler(
+				OutputDataRequestEventHandler handler);
+	}
+
+	public OutputDataRequestEvent(ComputationId computationId) {
+		this.computationId = computationId;
+	}
+
+	@Override
+	protected void dispatch(OutputDataRequestEventHandler handler) {
+		handler.onOutputRequest(this);
+	}
+
+	@Override
+	public Type<OutputDataRequestEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	public static Type<OutputDataRequestEventHandler> getType() {
+		return TYPE;
+	}
+
+	public static void fire(HasHandlers source, OutputDataRequestEvent event) {
+		source.fireEvent(event);
+	}
+
+	public ComputationId getComputationId() {
+		return computationId;
+	}
+
+	@Override
+	public String toString() {
+		return "OutputDataRequestEvent [computationId=" + computationId + "]";
+	}
+
+	
+
+}

src/main/java/org/gcube/portlets/user/dataminermanager/client/events/OutputResourceEvent.java

@@ -1,63 +0,0 @@
-package org.gcube.portlets.user.dataminermanager.client.events;
-
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
-
-import com.google.gwt.event.shared.EventHandler;
-import com.google.gwt.event.shared.GwtEvent;
-import com.google.gwt.event.shared.HandlerRegistration;
-import com.google.gwt.event.shared.HasHandlers;
-
-/**
- * Output Resource Event
- * 
- * 
- * @author "Giancarlo Panichi" <a
- *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
- *
- */
-public class OutputResourceEvent extends
-		GwtEvent<OutputResourceEvent.OutputResourceEventHandler> {
-	public static Type<OutputResourceEventHandler> TYPE = new Type<OutputResourceEventHandler>();
-	private Resource resource;
-
-	public interface OutputResourceEventHandler extends EventHandler {
-		void onOutput(OutputResourceEvent event);
-	}
-
-	public interface HasOutputResourceEventHandler extends HasHandlers {
-		public HandlerRegistration addOutputResourceEventHandler(
-				OutputResourceEventHandler handler);
-	}
-
-	public OutputResourceEvent(Resource resource) {
-		this.resource = resource;
-	}
-
-	@Override
-	protected void dispatch(OutputResourceEventHandler handler) {
-		handler.onOutput(this);
-	}
-
-	@Override
-	public Type<OutputResourceEventHandler> getAssociatedType() {
-		return TYPE;
-	}
-
-	public static Type<OutputResourceEventHandler> getType() {
-		return TYPE;
-	}
-
-	public static void fire(HasHandlers source, OutputResourceEvent event) {
-		source.fireEvent(event);
-	}
-
-	public Resource getResource() {
-		return resource;
-	}
-
-	@Override
-	public String toString() {
-		return "OutputResourceEvent [resource=" + resource + "]";
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/events/OutputResourceRequestEvent.java

@@ -1,65 +0,0 @@
-package org.gcube.portlets.user.dataminermanager.client.events;
-
-import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
-
-import com.google.gwt.event.shared.EventHandler;
-import com.google.gwt.event.shared.GwtEvent;
-import com.google.gwt.event.shared.HandlerRegistration;
-import com.google.gwt.event.shared.HasHandlers;
-
-/**
- * Output Resource Request Event
- * 
- * 
- * @author "Giancarlo Panichi" <a
- *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
- *
- */
-public class OutputResourceRequestEvent extends
-		GwtEvent<OutputResourceRequestEvent.OutputResourceRequestEventHandler> {
-
-	public static Type<OutputResourceRequestEventHandler> TYPE = new Type<OutputResourceRequestEventHandler>();
-	private ComputationId computationId;
-
-	public interface OutputResourceRequestEventHandler extends EventHandler {
-		void onOutputRequest(OutputResourceRequestEvent event);
-	}
-
-	public interface HasOutputResourceRequestEventHandler extends HasHandlers {
-		public HandlerRegistration addOutputResourceRequestEventHandler(
-				OutputResourceRequestEventHandler handler);
-	}
-
-	public OutputResourceRequestEvent(ComputationId computationId) {
-		this.computationId = computationId;
-	}
-
-	@Override
-	protected void dispatch(OutputResourceRequestEventHandler handler) {
-		handler.onOutputRequest(this);
-	}
-
-	@Override
-	public Type<OutputResourceRequestEventHandler> getAssociatedType() {
-		return TYPE;
-	}
-
-	public static Type<OutputResourceRequestEventHandler> getType() {
-		return TYPE;
-	}
-
-	public static void fire(HasHandlers source, OutputResourceRequestEvent event) {
-		source.fireEvent(event);
-	}
-
-	public ComputationId getComputationId() {
-		return computationId;
-	}
-
-	@Override
-	public String toString() {
-		return "OutputResourceRequestEvent [computationId=" + computationId
-				+ "]";
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/events/OutputShowEvent.java

@@ -1,64 +0,0 @@
-package org.gcube.portlets.user.dataminermanager.client.events;
-
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
-
-import com.google.gwt.event.shared.EventHandler;
-import com.google.gwt.event.shared.GwtEvent;
-import com.google.gwt.event.shared.HandlerRegistration;
-import com.google.gwt.event.shared.HasHandlers;
-
-/**
- * Output Show Event
- * 
- * 
- * @author "Giancarlo Panichi" <a
- *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
- *
- */
-public class OutputShowEvent extends
-		GwtEvent<OutputShowEvent.OutputShowEventHandler> {
-
-	public static Type<OutputShowEventHandler> TYPE = new Type<OutputShowEventHandler>();
-	private Resource resource;
-
-	public interface OutputShowEventHandler extends EventHandler {
-		void onOutputShow(OutputShowEvent event);
-	}
-
-	public interface HasOutputShowResourceEventHandler extends HasHandlers {
-		public HandlerRegistration addOutputShowResourceEventHandler(
-				OutputShowEventHandler handler);
-	}
-
-	public OutputShowEvent(Resource resource) {
-		this.resource = resource;
-	}
-
-	@Override
-	protected void dispatch(OutputShowEventHandler handler) {
-		handler.onOutputShow(this);
-	}
-
-	@Override
-	public Type<OutputShowEventHandler> getAssociatedType() {
-		return TYPE;
-	}
-
-	public static Type<OutputShowEventHandler> getType() {
-		return TYPE;
-	}
-
-	public static void fire(HasHandlers source, OutputShowEvent event) {
-		source.fireEvent(event);
-	}
-
-	public Resource getResource() {
-		return resource;
-	}
-
-	@Override
-	public String toString() {
-		return "OutputShowEvent [resource=" + resource + "]";
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/events/OutputShowRequestEvent.java

@@ -1,65 +0,0 @@
-package org.gcube.portlets.user.dataminermanager.client.events;
-
-import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription;
-
-import com.google.gwt.event.shared.EventHandler;
-import com.google.gwt.event.shared.GwtEvent;
-import com.google.gwt.event.shared.HandlerRegistration;
-import com.google.gwt.event.shared.HasHandlers;
-
-/**
- * Output Show Request Event
- * 
- * 
- * @author "Giancarlo Panichi" <a
- *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
- *
- */
-public class OutputShowRequestEvent extends
-		GwtEvent<OutputShowRequestEvent.OutputShowRequestEventHandler> {
-
-	public static Type<OutputShowRequestEventHandler> TYPE = new Type<OutputShowRequestEventHandler>();
-	private ItemDescription itemDescription;
-
-	public interface OutputShowRequestEventHandler extends EventHandler {
-		void onOutputShowRequest(OutputShowRequestEvent event);
-	}
-
-	public interface HasOutputShowResourceRequestEventHandler extends HasHandlers {
-		public HandlerRegistration addOutputShowResourceRequestEventHandler(
-				OutputShowRequestEventHandler handler);
-	}
-
-	public OutputShowRequestEvent(ItemDescription itemDescription) {
-		this.itemDescription = itemDescription;
-	}
-
-	@Override
-	protected void dispatch(OutputShowRequestEventHandler handler) {
-		handler.onOutputShowRequest(this);
-	}
-
-	@Override
-	public Type<OutputShowRequestEventHandler> getAssociatedType() {
-		return TYPE;
-	}
-
-	public static Type<OutputShowRequestEventHandler> getType() {
-		return TYPE;
-	}
-
-	public static void fire(HasHandlers source, OutputShowRequestEvent event) {
-		source.fireEvent(event);
-	}
-
-	public ItemDescription getItemDescription() {
-		return itemDescription;
-	}
-
-	@Override
-	public String toString() {
-		return "OutputShowRequestEvent [itemDescription=" + itemDescription
-				+ "]";
-	}
-
-}

src/main/java/org/gcube/portlets/user/dataminermanager/client/experiments/ComputationExecutionPanel.java

@@ -6,8 +6,6 @@ import java.util.List;
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
 import org.gcube.portlets.user.dataminermanager.client.bean.Operator;
 import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
-import org.gcube.portlets.user.dataminermanager.client.events.OutputResourceEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.OutputShowEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.ResubmitComputationExecutionEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.StartComputationExecutionEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.StartComputationExecutionRequestEvent;
@@ -81,6 +79,8 @@ public class ComputationExecutionPanel extends FramedPanel {
 							@Override
 							public void onResubmit(
 									ResubmitComputationExecutionEvent event) {
+								Log.debug("ResubmitComputationExecutionEvent: "
+										+ event);
 								resubmitComputation(event);
 							}
 						});
@@ -93,31 +93,18 @@ public class ComputationExecutionPanel extends FramedPanel {
 							@Override
 							public void onStart(
 									StartComputationExecutionEvent event) {
+								Log.debug("Catch StartComputationExecutionEvent: "
+										+ event);
 								startComputation(event);
 
 							}
 
 						});
 
-		EventBusProvider.INSTANCE
-		.addHandler(
-				OutputShowEvent.getType(),
-				new OutputShowEvent.OutputShowEventHandler() {
-
-					@Override
-					public void onOutputShow(OutputShowEvent event) {
-						showOutput(event);
-						
-					}
-
-				});
-		
 		
 
 	}
 
-	
-
 	public void startNewComputation(final Operator operator) {
 		Log.debug("Computation Panel: start new computation ");
 		ComputationStatusPanel statusPanel = new ComputationStatusPanel(
@@ -180,24 +167,6 @@ public class ComputationExecutionPanel extends FramedPanel {
 	}
 
 	
-	private void showOutput(OutputShowEvent event) {
-		/*
-		final ComputationStatusPanel statusPanel = new ComputationStatusPanel(
-				event.getComputationId().getOperatorName());
-		computationStatusPanels.add(statusPanel);
-		if (v.getWidgetCount() == 0) {
-			v.add(statusPanel, new VerticalLayoutData(1, -1, new Margins(20)));
-		} else {
-			v.insert(statusPanel, 0, new VerticalLayoutData(1, -1, new Margins(
-					20)));
-		}
-		removeAllButton.setEnabled(true);
-
-		statusPanel.computationStarted(event.getComputationId());
-
-		forceLayout();
-		*/
-	}
 
 	/**
 	 * 

src/main/java/org/gcube/portlets/user/dataminermanager/client/experiments/ComputationOutputPanel.java

@@ -7,19 +7,20 @@ import java.util.LinkedHashMap;
 import java.util.Map;
 
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.FileResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.ImagesResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.MapResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.ObjectResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource.ResourceType;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.TableResource;
 import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
-import org.gcube.portlets.user.dataminermanager.client.events.OutputResourceEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.OutputDataEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.OutputResourceRequestEvent;
+import org.gcube.portlets.user.dataminermanager.client.events.OutputDataRequestEvent;
+import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
 import org.gcube.portlets.user.dataminermanager.client.widgets.ImagesViewer;
 import org.gcube.portlets.user.dataminermanager.client.widgets.ResourceViewer;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.FileResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.ImagesResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.MapResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.ObjectResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.Resource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.Resource.ResourceType;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.TableResource;
 
 import com.allen_sauer.gwt.log.client.Log;
 import com.google.gwt.core.client.GWT;
@@ -48,48 +49,64 @@ public class ComputationOutputPanel extends SimpleContainer {
 	public ComputationOutputPanel(ComputationId computationId) {
 		super();
 		this.computationId = computationId;
-		Log.debug("ComputationOutputPanel");
+		Log.debug("ComputationOutputPanel: " + computationId);
 		bind();
 		init();
+		OutputDataRequestEvent event = new OutputDataRequestEvent(computationId);
+		EventBusProvider.INSTANCE.fireEvent(event);
 
 	}
 	
 	private void init() {
 		v = new VerticalLayoutContainer();
 		add(v);
-		OutputResourceRequestEvent event=new OutputResourceRequestEvent(computationId);
-		EventBusProvider.INSTANCE.fireEvent(event);
 	}
 
 	private void bind() {
-		EventBusProvider.INSTANCE.addHandler(
+		EventBusProvider.INSTANCE.addHandler(OutputDataEvent.TYPE,
-			OutputResourceEvent.TYPE,
+				new OutputDataEvent.OutputDataEventHandler() {
-			new OutputResourceEvent.OutputResourceEventHandler() {
 
 					@Override
-				public void onOutput(
+					public void onOutput(OutputDataEvent event) {
-						OutputResourceEvent event) {
+						Log.debug("Catch OutputDataEvent: " + event);
-					Log.debug("Catch OutputResourceEvent: "
+						if (event!=null&& event.getOutputData()!=null&&
-							+ event);
+								event.getOutputData().getComputationId()!=null&&
-					showOutputInfo(event);
+								event.getOutputData().getComputationId().getId()
+								.compareTo(computationId.getId()) == 0) {
+							manageOutputDataEvent(event);
+						}
 
 					}
 				});
 
 	}
 
-	
-	
 	/**
 	 * 
 	 * @param resource
 	 */
-	private void showOutputInfo(OutputResourceEvent event) {
+	private void manageOutputDataEvent(OutputDataEvent event) {
 		try {
-			Resource resource=event.getResource();
+			if (event == null || event.getOutputData() == null) {
-			Log.info("Show Output Info on: " + resource);
+				Log.error("OutputDataEvent is null");
-			if (resource == null)
+				UtilsGXT3.alert("Error", "Invalid output data!");
 				return;
+			}
+			Resource resource = event.getOutputData().getResource();
+			showResource(resource);
+		} catch (Throwable e) {
+			Log.error("Error in show output info: " + e.getLocalizedMessage());
+			e.printStackTrace();
+		}
+	}
+
+	private void showResource(Resource resource) {
+		try {
+			Log.info("Show Output Info on: " + resource);
+			if (resource == null) {
+				Log.debug("Output Data hasn't resource!");
+				return;
+			}
 
 			ResourceType resourceType = resource.getResourceType();
 
@@ -140,7 +157,7 @@ public class ComputationOutputPanel extends SimpleContainer {
 
 			forceLayout();
 		} catch (Throwable e) {
-			Log.error("Error in show output info: " + e.getLocalizedMessage());
+			Log.error("Error in show resource: " + e.getLocalizedMessage());
 			e.printStackTrace();
 		}
 	}

src/main/java/org/gcube/portlets/user/dataminermanager/client/experiments/ComputationParametersPanel.java

@@ -9,9 +9,6 @@ import java.util.Map;
 
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
 import org.gcube.portlets.user.dataminermanager.client.bean.Operator;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ColumnListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ColumnParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.client.parametersfield.AbstractFld;
 import org.gcube.portlets.user.dataminermanager.client.parametersfield.ColumnFld;
 import org.gcube.portlets.user.dataminermanager.client.parametersfield.ColumnListFld;
@@ -19,6 +16,9 @@ import org.gcube.portlets.user.dataminermanager.client.parametersfield.OperatorF
 import org.gcube.portlets.user.dataminermanager.client.parametersfield.TabularFld;
 import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServiceAsync;
 import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ColumnListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ColumnParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.allen_sauer.gwt.log.client.Log;
 import com.google.gwt.core.client.GWT;

src/main/java/org/gcube/portlets/user/dataminermanager/client/experiments/ComputationStatusPanel.java

@@ -3,17 +3,13 @@
  */
 package org.gcube.portlets.user.dataminermanager.client.experiments;
 
-import java.util.Date;
-
 import org.gcube.portlets.user.dataminermanager.client.bean.ComputationStatus;
 import org.gcube.portlets.user.dataminermanager.client.bean.ComputationStatus.Status;
 import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
 import org.gcube.portlets.user.dataminermanager.client.custom.progress.GreenProgressBar;
 import org.gcube.portlets.user.dataminermanager.client.custom.progress.RedProgressBar;
 import org.gcube.portlets.user.dataminermanager.client.events.CancelComputationExecutionRequestEvent;
-import org.gcube.portlets.user.dataminermanager.client.events.DataMinerWorkAreaRequestEvent;
 import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServiceAsync;
-import org.gcube.portlets.user.dataminermanager.client.type.DataMinerWorkAreaRequestEventType;
 import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
 import org.gcube.portlets.user.dataminermanager.shared.Constants;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
@@ -62,7 +58,6 @@ public class ComputationStatusPanel extends SimpleContainer {
 
 	private void init() {
 		setStylePrimaryName("computationStatusPanel");
-
 	}
 
 	private void create() {
@@ -70,13 +65,7 @@ public class ComputationStatusPanel extends SimpleContainer {
 		HtmlLayoutContainer title = new HtmlLayoutContainer(
 				"<div class='computationStatusTitle'><p>Computation of <b>"
 						+ operatorName + "</b></p></div>");
-		HtmlLayoutContainer date = new HtmlLayoutContainer(
-				"<div class='computationStatusDate'><p>"
-						+ new Date().toString() + "</p></div>");
-
 		vert.add(title, new VerticalLayoutData(-1, -1, new Margins(0)));
-		vert.add(date, new VerticalLayoutData(-1, -1, new Margins(0)));
-
 		add(vert);
 		forceLayout();
 	}
@@ -87,6 +76,13 @@ public class ComputationStatusPanel extends SimpleContainer {
 	 */
 	public void computationStarted(ComputationId computationId) {
 		this.computationId = computationId;
+		/*
+		 * HtmlLayoutContainer date = new HtmlLayoutContainer(
+		 * "<div class='computationStatusDate'><p>" + new Date().toString() +
+		 * "</p></div>");
+		 */
+		// vert.add(date, new VerticalLayoutData(-1, -1, new Margins(0)));
+
 		vert.add(new HtmlLayoutContainer("<p>Created, the id is "
 				+ computationId.getId() + " [<a href='"
 				+ computationId.getUrlId() + "' >link</a>]</p>"));
@@ -115,6 +111,8 @@ public class ComputationStatusPanel extends SimpleContainer {
 		timer.scheduleRepeating(Constants.TIME_UPDATE_COMPUTATION_STATUS_PANEL);
 	}
 
+	
+
 	private void cancelComputation() {
 		CancelComputationExecutionRequestEvent event = new CancelComputationExecutionRequestEvent(
 				computationId);
@@ -126,7 +124,7 @@ public class ComputationStatusPanel extends SimpleContainer {
 	 * @param operator
 	 * 
 	 */
-	protected void computationTerminated(ComputationId computationId,
+	private void computationTerminated(ComputationId computationId,
 			ComputationStatus computationStatus) {
 		Log.debug("Computation Terminated");
 		Log.debug("Computation Status:" + computationStatus);
@@ -146,8 +144,7 @@ public class ComputationStatusPanel extends SimpleContainer {
 				progressBar.updateProgress(1, "Computation Complete");
 				vert.insert(progressBar, index, new VerticalLayoutData(1, -1,
 						new Margins(20)));
-				showOutput();
+				showComputationCompletedOutput();
-				fireDataMinerWorkAreareRequestUpdate();
 			} else if (computationStatus.isFailed()) {
 				Log.debug("Computation is Failed");
 				String errorMessage;
@@ -165,8 +162,7 @@ public class ComputationStatusPanel extends SimpleContainer {
 				UtilsGXT3.alert("Failed",
 						"The computation " + computationId.getId() + " of "
 								+ computationId.getOperatorName()
-								+ " has failed.</br>" 
+								+ " has failed.</br>" + errorMessage);
-								+ errorMessage);
 				int index = vert.getWidgetIndex(progressBar);
 				vert.remove(index);
 				// TODO
@@ -176,7 +172,6 @@ public class ComputationStatusPanel extends SimpleContainer {
 						.setMarginBottom(36, Unit.PX);
 				vert.insert(progressBar, index, new VerticalLayoutData(1, -1,
 						new Margins(20)));
-				fireDataMinerWorkAreareRequestUpdate();
 			}
 
 		}
@@ -184,16 +179,12 @@ public class ComputationStatusPanel extends SimpleContainer {
 		forceLayout();
 	}
 
-	private void fireDataMinerWorkAreareRequestUpdate() {
+	
-		DataMinerWorkAreaRequestEvent event = new DataMinerWorkAreaRequestEvent(
-				DataMinerWorkAreaRequestEventType.UPDATE);
-		EventBusProvider.INSTANCE.fireEvent(event);
-	}
 
 	/**
 	 * 
 	 */
-	private void showOutput() {
+	private void showComputationCompletedOutput() {
 		HtmlLayoutContainer computationEndMessage = new HtmlLayoutContainer(
 				"<p>The computation <b>" + computationId.getOperatorName()
 						+ "</b> finished.</p>");
@@ -208,10 +199,12 @@ public class ComputationStatusPanel extends SimpleContainer {
 
 	}
 
+	
+
 	/**
 	 * @param computationStatus
 	 */
-	protected void updateStatus(ComputationStatus computationStatus) {
+	private void updateStatus(ComputationStatus computationStatus) {
 		Log.debug("Conputation Status Panel ::Update Status ");
 		if (computationStatus.getStatus() == Status.PENDING)
 			progressBar.updateText("Pending...");

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/AbstractFld.java

@@ -3,7 +3,7 @@
  */
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/BooleanFld.java

@@ -3,9 +3,9 @@
  */
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.StringUtil;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/ColumnFld.java

@@ -5,13 +5,13 @@ package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
 import java.util.ArrayList;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ColumnParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent.TabularFldChangeEventHandler;
 import org.gcube.portlets.user.dataminermanager.client.properties.ColumnItemPropertiesCombo;
 import org.gcube.portlets.user.dataminermanager.shared.data.ColumnItem;
 import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ColumnParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.user.client.ui.Widget;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/ColumnListFld.java

@@ -6,13 +6,13 @@ package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ColumnListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent.TabularFldChangeEventHandler;
 import org.gcube.portlets.user.dataminermanager.client.properties.ColumnItemProperties;
 import org.gcube.portlets.user.dataminermanager.shared.data.ColumnItem;
 import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ColumnListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.user.client.ui.Widget;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/DoubleFld.java

@@ -1,7 +1,7 @@
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/EnumFld.java

@@ -3,8 +3,8 @@
  */
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.EnumParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.EnumParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/FileFld.java

@@ -8,11 +8,11 @@ import java.util.Arrays;
 import java.util.List;
 
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.FileParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServiceAsync;
 import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
 import org.gcube.portlets.user.dataminermanager.shared.exception.ExpiredSessionServiceException;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.FileParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectDialog;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/FloatFld.java

@@ -1,7 +1,7 @@
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/IntFld.java

@@ -1,7 +1,7 @@
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/ListIntFld.java

@@ -7,9 +7,9 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/ListStringFld.java

@@ -6,9 +6,9 @@ package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/OperatorFieldWidget.java

@@ -3,10 +3,10 @@
  */
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.StringUtil;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.allen_sauer.gwt.log.client.Log;
 import com.sencha.gxt.widget.core.client.form.FieldLabel;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/StringFld.java

@@ -3,8 +3,8 @@
  */
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 import com.google.gwt.user.client.ui.Widget;
 import com.sencha.gxt.core.client.util.Margins;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/StringItem.java

@@ -1,7 +1,7 @@
 package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
 
 import com.sencha.gxt.core.client.util.Margins;
 import com.sencha.gxt.widget.core.client.button.TextButton;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/TabItem.java

@@ -5,11 +5,11 @@ import java.util.Arrays;
 import java.util.List;
 
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularParameter;
 import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServiceAsync;
 import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
 import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
 import org.gcube.portlets.user.dataminermanager.shared.exception.ExpiredSessionServiceException;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.TabularParameter;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectDialog;
 import org.gcube.portlets.widgets.wsexplorer.shared.Item;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/TabularFld.java

@@ -8,8 +8,6 @@ import java.util.Arrays;
 import java.util.List;
 
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularParameter;
 import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent;
 import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent.HasTabularFldChangeEventHandler;
 import org.gcube.portlets.user.dataminermanager.client.events.TabularFldChangeEvent.TabularFldChangeEventHandler;
@@ -17,6 +15,8 @@ import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletServi
 import org.gcube.portlets.user.dataminermanager.client.util.UtilsGXT3;
 import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
 import org.gcube.portlets.user.dataminermanager.shared.exception.ExpiredSessionServiceException;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.TabularParameter;
 import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
 import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectDialog;
 import org.gcube.portlets.widgets.wsexplorer.shared.Item;

src/main/java/org/gcube/portlets/user/dataminermanager/client/parametersfield/TabularListFld.java

@@ -6,9 +6,9 @@ package org.gcube.portlets.user.dataminermanager.client.parametersfield;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.TabularListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.TabularParameter;
 
 import com.allen_sauer.gwt.log.client.Log;
 import com.google.gwt.user.client.ui.Widget;

src/main/java/org/gcube/portlets/user/dataminermanager/client/rpc/DataMinerPortletService.java

@@ -5,11 +5,12 @@ import java.util.List;
 import org.gcube.portlets.user.dataminermanager.client.bean.ComputationStatus;
 import org.gcube.portlets.user.dataminermanager.client.bean.Operator;
 import org.gcube.portlets.user.dataminermanager.client.bean.OperatorsClassification;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationData;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+import org.gcube.portlets.user.dataminermanager.shared.data.OutputData;
 import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
 import org.gcube.portlets.user.dataminermanager.shared.exception.ServiceException;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.session.UserInfo;
 import org.gcube.portlets.user.dataminermanager.shared.workspace.DataMinerWorkArea;
 import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription;
@@ -52,8 +53,8 @@ public interface DataMinerPortletService extends RemoteService {
 	public void deleteItem(ItemDescription itemDescription)
 			throws ServiceException;
 	
-	public Resource getResourceByComputationId(ComputationId computationId) throws ServiceException;
+	public OutputData getOutputDataByComputationId(ComputationId computationId) throws ServiceException;
 	
-	public Resource getResourceByComputationItem(ItemDescription itemDescription) throws ServiceException;
+	public ComputationData getComputationData(ItemDescription itemDescription) throws ServiceException;
 	
 }

src/main/java/org/gcube/portlets/user/dataminermanager/client/rpc/DataMinerPortletServiceAsync.java

@@ -5,10 +5,11 @@ import java.util.List;
 import org.gcube.portlets.user.dataminermanager.client.bean.ComputationStatus;
 import org.gcube.portlets.user.dataminermanager.client.bean.Operator;
 import org.gcube.portlets.user.dataminermanager.client.bean.OperatorsClassification;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationData;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+import org.gcube.portlets.user.dataminermanager.shared.data.OutputData;
 import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.session.UserInfo;
 import org.gcube.portlets.user.dataminermanager.shared.workspace.DataMinerWorkArea;
 import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription;
@@ -59,10 +60,10 @@ public interface DataMinerPortletServiceAsync {
 	void deleteItem(ItemDescription itemDescription,
 			AsyncCallback<Void> callback); 
 
-	void getResourceByComputationId(ComputationId computationId,
+	void getOutputDataByComputationId(ComputationId computationId,
-			AsyncCallback<Resource> callback);
+			AsyncCallback<OutputData> callback);
 	
-	void getResourceByComputationItem(ItemDescription itemDescription,
+	void getComputationData(ItemDescription itemDescription,
-			AsyncCallback<Resource> callback);
+			AsyncCallback<ComputationData> callback);
 
 }

src/main/java/org/gcube/portlets/user/dataminermanager/client/widgets/ImagesViewer.java

@@ -1,8 +1,8 @@
 package org.gcube.portlets.user.dataminermanager.client.widgets;
 
 import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.ImagesResource;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.ImagesResource;
 
 import com.google.gwt.user.client.ui.Image;
 import com.sencha.gxt.core.client.util.Margins;

src/main/java/org/gcube/portlets/user/dataminermanager/client/widgets/ResourceViewer.java

@@ -6,8 +6,8 @@ package org.gcube.portlets.user.dataminermanager.client.widgets;
 import java.util.Map;
 import java.util.Map.Entry;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.output.ObjectResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.ObjectResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.Resource;
 
 import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;
 

src/main/java/org/gcube/portlets/user/dataminermanager/server/DataMinerManagerServiceImpl.java

@@ -11,17 +11,18 @@ import org.gcube.application.framework.core.session.ASLSession;
 import org.gcube.portlets.user.dataminermanager.client.bean.ComputationStatus;
 import org.gcube.portlets.user.dataminermanager.client.bean.Operator;
 import org.gcube.portlets.user.dataminermanager.client.bean.OperatorsClassification;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.client.rpc.DataMinerPortletService;
 import org.gcube.portlets.user.dataminermanager.server.smservice.SClient;
 import org.gcube.portlets.user.dataminermanager.server.storage.StorageUtil;
 import org.gcube.portlets.user.dataminermanager.server.util.DataMinerWorkAreaManager;
 import org.gcube.portlets.user.dataminermanager.server.util.SessionUtil;
 import org.gcube.portlets.user.dataminermanager.server.util.TableReader;
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationData;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+import org.gcube.portlets.user.dataminermanager.shared.data.OutputData;
 import org.gcube.portlets.user.dataminermanager.shared.data.TableItemSimple;
 import org.gcube.portlets.user.dataminermanager.shared.exception.ServiceException;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.session.UserInfo;
 import org.gcube.portlets.user.dataminermanager.shared.workspace.DataMinerWorkArea;
 import org.gcube.portlets.user.dataminermanager.shared.workspace.ItemDescription;
@@ -295,23 +296,23 @@ public class DataMinerManagerServiceImpl extends RemoteServiceServlet implements
 	}
 
 	@Override
-	public Resource getResourceByComputationId(ComputationId computationId)
+	public OutputData getOutputDataByComputationId(ComputationId computationId)
 			throws ServiceException {
 		try {
-			Log.debug("getResourceByComputationId: " + computationId);
+			Log.debug("getOutputDataByComputationId: " + computationId);
 			HttpSession session = this.getThreadLocalRequest().getSession();
 			ASLSession aslSession = SessionUtil.getASLSession(session);
 
 			SClient smClient = SessionUtil.getSClient(session, aslSession);
-			Resource resource = smClient
+			OutputData outputData = smClient
-					.getResourceByComputationId(computationId);
+					.getOutputDataByComputationId(computationId);
-			Log.debug("Resoure: " + resource);
+			Log.debug("OutputData: " + outputData);
-			return resource;
+			return outputData;
 		} catch (ServiceException e) {
 			logger.error(e.getLocalizedMessage());
 			throw e;
 		} catch (Throwable e) {
-			logger.error("Error in getResourceByComputationId: "
+			logger.error("Error retrieving output by computation id: "
 					+ e.getLocalizedMessage());
 			e.printStackTrace();
 			throw new ServiceException(e.getLocalizedMessage(), e);
@@ -321,22 +322,22 @@ public class DataMinerManagerServiceImpl extends RemoteServiceServlet implements
 	
 	
 	@Override
-	public Resource getResourceByComputationItem(ItemDescription itemDescription)
+	public ComputationData getComputationData(ItemDescription itemDescription)
 			throws ServiceException {
 		try {
 			HttpSession session = this.getThreadLocalRequest().getSession();
 			ASLSession aslSession = SessionUtil.getASLSession(session);
-			logger.debug("ResourceByComputationItemt(): " + itemDescription);
+			logger.debug("OutputDataByComputationItemt(): " + itemDescription);
 			Map<String, String> properties = StorageUtil.getProperties(
 					aslSession.getUsername(), itemDescription.getId());
 			logger.debug("Properties: " + properties);
 			SClient smClient = SessionUtil.getSClient(session, aslSession);
-			return smClient.getResourceByComputationProperties(properties);
+			return smClient.getComputationDataByComputationProperties(properties);
 		} catch (ServiceException e) {
 			logger.error(e.getLocalizedMessage());
 			throw e;
 		} catch (Throwable e) {
-			logger.error("Error retrieving resource by computation item: "
+			logger.error("Error retrieving output by item: "
 					+ e.getLocalizedMessage());
 			e.printStackTrace();
 			throw new ServiceException(e.getLocalizedMessage());

src/main/java/org/gcube/portlets/user/dataminermanager/server/smservice/SClient.java

@@ -6,9 +6,10 @@ import java.util.Map;
 import org.gcube.portlets.user.dataminermanager.client.bean.ComputationStatus;
 import org.gcube.portlets.user.dataminermanager.client.bean.Operator;
 import org.gcube.portlets.user.dataminermanager.client.bean.OperatorsClassification;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationData;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+import org.gcube.portlets.user.dataminermanager.shared.data.OutputData;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
 
 /**
  * 
@@ -36,10 +37,10 @@ public abstract class SClient {
 	public abstract ComputationStatus getComputationStatus(
 			ComputationId computationId) throws Exception;
 
-	public abstract Resource getResourceByComputationId(
+	public abstract OutputData getOutputDataByComputationId(
 			ComputationId computationId) throws Exception;
 
-	public abstract Resource getResourceByComputationProperties(
+	public abstract ComputationData getComputationDataByComputationProperties(
 			Map<String, String> computationProperties) throws Exception;
 
 	public abstract String cancelComputation(ComputationId computationId)

src/main/java/org/gcube/portlets/user/dataminermanager/server/smservice/SClient4WPS.java

@@ -7,6 +7,7 @@ import java.net.URL;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
@@ -34,14 +35,6 @@ import org.gcube.portlets.user.dataminermanager.client.bean.ComputationStatus.St
 import org.gcube.portlets.user.dataminermanager.client.bean.Operator;
 import org.gcube.portlets.user.dataminermanager.client.bean.OperatorCategory;
 import org.gcube.portlets.user.dataminermanager.client.bean.OperatorsClassification;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.FileResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.ImagesResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.MapResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.ObjectResource;
-import org.gcube.portlets.user.dataminermanager.client.bean.output.Resource;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularListParameter;
 import org.gcube.portlets.user.dataminermanager.server.is.InformationSystemUtils;
 import org.gcube.portlets.user.dataminermanager.server.smservice.wps.ProcessInformations;
 import org.gcube.portlets.user.dataminermanager.server.smservice.wps.ResponseWPS;
@@ -50,7 +43,17 @@ import org.gcube.portlets.user.dataminermanager.server.smservice.wps.WPS2SM;
 import org.gcube.portlets.user.dataminermanager.server.storage.StorageUtil;
 import org.gcube.portlets.user.dataminermanager.server.util.ServiceCredential;
 import org.gcube.portlets.user.dataminermanager.shared.Constants;
+import org.gcube.portlets.user.dataminermanager.shared.data.ComputationData;
 import org.gcube.portlets.user.dataminermanager.shared.data.ComputationId;
+import org.gcube.portlets.user.dataminermanager.shared.data.OutputData;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.FileResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.ImagesResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.MapResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.ObjectResource;
+import org.gcube.portlets.user.dataminermanager.shared.data.output.Resource;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.TabularListParameter;
 import org.n52.wps.client.ExecuteRequestBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -399,10 +402,15 @@ public class SClient4WPS extends SClient {
 			Object responseObject = wpsClient.execute(wpsProcessingServlet,
 					execute);
 			String processLocation = null;
+			Date creationData = null;
 			if (responseObject != null) {
 				if (responseObject instanceof ExecuteResponseDocumentImpl) {
-					processLocation = ((ExecuteResponseDocumentImpl) responseObject)
+					ExecuteResponseDocumentImpl executeResponseDocumentImpl = ((ExecuteResponseDocumentImpl) responseObject);
+					processLocation = executeResponseDocumentImpl
 							.getExecuteResponse().getStatusLocation();
+					creationData = executeResponseDocumentImpl
+							.getExecuteResponse().getStatus().getCreationTime()
+							.getTime();
 				} else {
 					throw new Exception(
 							"Invalid response from service, "
@@ -413,7 +421,8 @@ public class SClient4WPS extends SClient {
 				throw new Exception("Invalid Response from service, "
 						+ responseObject);
 			}
-			logger.debug("Retrieved ProcessLocation: " + processLocation);
+			logger.debug("Retrieved: [ProcessLocation=" + processLocation
+					+ ", CreationDate=" + creationData + "]");
 			return processLocation;
 
 		} catch (Throwable e) {
@@ -930,13 +939,14 @@ public class SClient4WPS extends SClient {
 	}
 
 	@Override
-	public Resource getResourceByComputationId(ComputationId computationId)
+	public OutputData getOutputDataByComputationId(ComputationId computationId)
 			throws Exception {
 		Map<String, Resource> resources = retrieveOutput(computationId);
 		MapResource mapResource = new MapResource("mapResource", "Resources",
 				"Resources", resources);
+		OutputData outputData = new OutputData(computationId, mapResource);
 
-		return mapResource;
+		return outputData;
 	}
 
 	private Map<String, Resource> retrieveOutput(ComputationId computationId)
@@ -1171,16 +1181,15 @@ public class SClient4WPS extends SClient {
 		}
 
 		Map<String, String> userInputs = new LinkedHashMap<>();
-		for (Map.Entry<String, String> entry : computationProperties.entrySet()) {
+		for (String key : computationProperties.keySet()) {
-			if (entry.getKey().startsWith("input")) {
+			if (key.startsWith("input")) {
-				int inputSeparatorIndex = entry.getKey().indexOf("_");
+				int inputSeparatorIndex = key.indexOf("_");
-				String inputKey = entry.getKey().substring(
+				String inputKey = key.substring(inputSeparatorIndex + 1);
-						inputSeparatorIndex + 1);
 				if (inputKey.compareToIgnoreCase("user.name") != 0
 						&& inputKey.compareToIgnoreCase("scope") != 0) {
-					userInputs.put(inputKey, entry.getValue());
+					userInputs.put(inputKey, computationProperties.get(key));
 					logger.debug("UserInputs[key=" + inputKey + ", value="
-							+ entry.getValue() + "]");
+							+ computationProperties.get(key) + "]");
 				}
 
 			}
@@ -1217,10 +1226,65 @@ public class SClient4WPS extends SClient {
 	}
 
 	@Override
-	public Resource getResourceByComputationProperties(
+	public ComputationData getComputationDataByComputationProperties(
 			Map<String, String> computationProperties) throws Exception {
-		// TODO Auto-generated method stub
+		if (computationProperties == null || computationProperties.isEmpty()) {
-		return null;
+			throw new Exception("Invalid computation properties: "
+					+ computationProperties);
+		}
+
+		String compId = computationProperties.get("computation_id");
+
+		String operatorId = computationProperties.get("operator_id");
+		String operatorName = computationProperties.get("operator_name");
+		String operatorDescritpion = computationProperties
+				.get("operator_description");
+		String vre = computationProperties.get("VRE");
+		String startDate = computationProperties.get("startDate");
+		String endDate = computationProperties.get("endDate");
+		String status = computationProperties.get("status");
+		String executionType = computationProperties.get("execution_type");
+
+		ComputationId computationId = new ComputationId();
+		computationId.setId(compId);
+		computationId.setOperatorId(operatorId);
+		computationId.setOperatorName(operatorName);
+
+		LinkedHashMap<String, String> inputParameters = new LinkedHashMap<>();
+		LinkedHashMap<String, String> outputParameters = new LinkedHashMap<>();
+
+		for (String key : computationProperties.keySet()) {
+			if (key != null) {
+				if (key.startsWith("input")) {
+					int inputSeparatorIndex = key.indexOf("_");
+					String inputKey = key.substring(inputSeparatorIndex + 1);
+					if (inputKey.compareToIgnoreCase("user.name") != 0
+							&& inputKey.compareToIgnoreCase("scope") != 0) {
+						inputParameters.put(inputKey,
+								computationProperties.get(key));
+
+					}
+
+				} else {
+					if (key.startsWith("output")) {
+						int outputSeparatorIndex = key.indexOf("_");
+						String outputKey = key
+								.substring(outputSeparatorIndex + 1);
+						outputParameters.put(outputKey,
+								computationProperties.get(key));
+
 					}
 
 				}
+
+			}
+		}
+
+		ComputationData computationData = new ComputationData(computationId,
+				inputParameters, outputParameters, operatorDescritpion,
+				startDate, endDate, status, executionType, vre);
+
+		return computationData;
+
+	}
+}

src/main/java/org/gcube/portlets/user/dataminermanager/server/smservice/wps/WPS2SM.java

@@ -17,16 +17,16 @@ import net.opengis.wps.x100.OutputDescriptionType;
 import net.opengis.wps.x100.SupportedComplexDataInputType;
 import net.opengis.wps.x100.SupportedComplexDataType;
 
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ColumnListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ColumnParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.EnumParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.FileParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.ObjectParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.Parameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularListParameter;
-import org.gcube.portlets.user.dataminermanager.client.bean.parameters.TabularParameter;
 import org.gcube.portlets.user.dataminermanager.shared.exception.ServiceException;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ColumnListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ColumnParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.EnumParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.FileParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.ObjectParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.Parameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.TabularListParameter;
+import org.gcube.portlets.user.dataminermanager.shared.parameters.TabularParameter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

src/main/java/org/gcube/portlets/user/dataminermanager/shared/data/ComputationData.java

@@ -0,0 +1,130 @@
+package org.gcube.portlets.user.dataminermanager.shared.data;
+
+import java.io.Serializable;
+import java.util.LinkedHashMap;
+
+/**
+ * 
+ * @author Giancarlo Panichi email: <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class ComputationData implements Serializable {
+
+	private static final long serialVersionUID = -3039151542008171640L;
+	private ComputationId computationId;
+	private LinkedHashMap<String, String> inputParameters;
+	private LinkedHashMap<String, String> outputParameters;
+	private String operatorDescription;
+	private String startDate;
+	private String endDate;
+	private String status;
+	private String executionType;
+	private String vre;
+
+	public ComputationData() {
+		super();
+	}
+
+	public ComputationData(ComputationId computationId,
+			LinkedHashMap<String, String> inputParameters,
+			LinkedHashMap<String, String> outputParameters,
+			String operatorDescription, String startDate, String endDate,
+			String status, String executionType, String vre) {
+		super();
+		this.computationId = computationId;
+		this.inputParameters = inputParameters;
+		this.outputParameters = outputParameters;
+		this.operatorDescription = operatorDescription;
+		this.startDate = startDate;
+		this.endDate = endDate;
+		this.status = status;
+		this.executionType = executionType;
+		this.vre = vre;
+	}
+
+	public ComputationId getComputationId() {
+		return computationId;
+	}
+
+	public void setComputationId(ComputationId computationId) {
+		this.computationId = computationId;
+	}
+
+	public LinkedHashMap<String, String> getInputParameters() {
+		return inputParameters;
+	}
+
+	public void setInputParameters(LinkedHashMap<String, String> inputParameters) {
+		this.inputParameters = inputParameters;
+	}
+
+	public LinkedHashMap<String, String> getOutputParameters() {
+		return outputParameters;
+	}
+
+	public void setOutputParameters(
+			LinkedHashMap<String, String> outputParameters) {
+		this.outputParameters = outputParameters;
+	}
+
+	public String getOperatorDescription() {
+		return operatorDescription;
+	}
+
+	public void setOperatorDescription(String operatorDescription) {
+		this.operatorDescription = operatorDescription;
+	}
+
+	public String getStartDate() {
+		return startDate;
+	}
+
+	public void setStartDate(String startDate) {
+		this.startDate = startDate;
+	}
+
+	public String getEndDate() {
+		return endDate;
+	}
+
+	public void setEndDate(String endDate) {
+		this.endDate = endDate;
+	}
+
+	public String getStatus() {
+		return status;
+	}
+
+	public void setStatus(String status) {
+		this.status = status;
+	}
+
+	public String getExecutionType() {
+		return executionType;
+	}
+
+	public void setExecutionType(String executionType) {
+		this.executionType = executionType;
+	}
+
+	public String getVre() {
+		return vre;
+	}
+
+	public void setVre(String vre) {
+		this.vre = vre;
+	}
+
+	@Override
+	public String toString() {
+		return "ComputationData [computationId=" + computationId
+				+ ", inputParameters=" + inputParameters
+				+ ", outputParameters=" + outputParameters
+				+ ", operatorDescription=" + operatorDescription
+				+ ", startDate=" + startDate + ", endDate=" + endDate
+				+ ", status=" + status + ", executionType=" + executionType
+				+ ", vre=" + vre + "]";
+	}
+
+}

src/main/java/org/gcube/portlets/user/dataminermanager/shared/data/OutputData.java

@@ -0,0 +1,43 @@
+package org.gcube.portlets.user.dataminermanager.shared.data;
+
+import java.io.Serializable;
+
+import org.gcube.portlets.user.dataminermanager.shared.data.output.Resource;
+
+/**
+ * 
+ * @author Giancarlo Panichi email: <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class OutputData implements Serializable {
+
+	private static final long serialVersionUID = -3039151542008171640L;
+	private ComputationId computationId;
+	private Resource resource;
+
+	public OutputData() {
+		super();
+	}
+
+	public OutputData(ComputationId computationId, Resource resource) {
+		super();
+		this.computationId = computationId;
+		this.resource = resource;
+	}
+
+	public ComputationId getComputationId() {
+		return computationId;
+	}
+
+	public Resource getResource() {
+		return resource;
+	}
+
+	@Override
+	public String toString() {
+		return "OutputData [computationId=" + computationId + ", resource="
+				+ resource + "]";
+	}
+
+}

src/main/java/org/gcube/portlets/user/dataminermanager/shared/data/output/FileResource.java

@@ -1,7 +1,7 @@
 /**
  * 
  */
-package org.gcube.portlets.user.dataminermanager.client.bean.output;
+package org.gcube.portlets.user.dataminermanager.shared.data.output;
 
 import java.io.Serializable;
 

src/main/java/org/gcube/portlets/user/dataminermanager/shared/data/output/ImagesResource.java

@@ -1,7 +1,7 @@
 /**
  * 
  */
-package org.gcube.portlets.user.dataminermanager.client.bean.output;
+package org.gcube.portlets.user.dataminermanager.shared.data.output;
 
 import java.io.Serializable;
 

src/main/java/org/gcube/portlets/user/dataminermanager/shared/data/output/MapResource.java

@@ -1,7 +1,7 @@
 /**
  * 
  */
-package org.gcube.portlets.user.dataminermanager.client.bean.output;
+package org.gcube.portlets.user.dataminermanager.shared.data.output;
 
 import java.io.Serializable;
 import java.util.Map;

src/main/java/org/gcube/portlets/user/dataminermanager/shared/data/output/ObjectResource.java

@@ -1,7 +1,7 @@
 /**
  * 
  */
-package org.gcube.portlets.user.dataminermanager.client.bean.output;
+package org.gcube.portlets.user.dataminermanager.shared.data.output;
 
 import java.io.Serializable;
 

src/main/java/org/gcube/portlets/user/dataminermanager/shared/data/output/Resource.java

@@ -1,7 +1,7 @@
 /**
  * 
  */
-package org.gcube.portlets.user.dataminermanager.client.bean.output;
+package org.gcube.portlets.user.dataminermanager.shared.data.output;
 
 import java.io.Serializable;
 

src/main/java/org/gcube/portlets/user/dataminermanager/shared/data/output/TableResource.java

@@ -1,7 +1,7 @@
 /**
  * 
  */
-package org.gcube.portlets.user.dataminermanager.client.bean.output;
+package org.gcube.portlets.user.dataminermanager.shared.data.output;
 
 import com.google.gwt.user.client.rpc.IsSerializable;