#23834 Integrated with the create/view/delete Relationship facility

CHANGELOG.md

@@ -15,7 +15,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - [#22685] Migrated to geoportal-data-list configuration for UCD
 - [#23784] Migrated list and reload, searching and ordering functionalities
 - [#23785] Migrated the GNA functionalities
-- [#23834] Create Relationship facility
+- [#23834] Integrated with the create/view/delete Relationship facility
 - [#23913] Integrated with GUI presentation configurations read from IS
 - Moved to maven-portal-bom v3.7.0[-SNAPSHOT]
 

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/GeoPortalDataEntryApp.java

@@ -20,7 +20,6 @@ import org.gcube.application.geoportalcommon.shared.geoportal.config.GcubeProfil
 import org.gcube.application.geoportalcommon.shared.geoportal.config.ItemFieldDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.LifecycleInformationDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.ProjectDV;
-import org.gcube.application.geoportalcommon.shared.geoportal.project.RelationshipDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.HandlerDeclarationDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.RelationshipDefinitionDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.UseCaseDescriptorDV;
@@ -32,14 +31,14 @@ import org.gcube.portlets.user.geoportaldataentry.client.events.CloseCreateRelat
 import org.gcube.portlets.user.geoportaldataentry.client.events.CloseCreateRelationGUIEventHandler;
 import org.gcube.portlets.user.geoportaldataentry.client.events.CreateNewProjectEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.events.CreateNewProjectEventHandler;
-import org.gcube.portlets.user.geoportaldataentry.client.events.CreateRelationHandler;
-import org.gcube.portlets.user.geoportaldataentry.client.events.CreateRelationHandlerEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.events.GetListOfRecordsEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.events.GetListOfRecordsEventHandler;
 import org.gcube.portlets.user.geoportaldataentry.client.events.OperationOnItemEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.events.OperationOnItemEventHandler;
 import org.gcube.portlets.user.geoportaldataentry.client.events.OperationPerformedOnItemEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.events.OperationPerformedOnItemEventHandler;
+import org.gcube.portlets.user.geoportaldataentry.client.events.RelationActionHandler;
+import org.gcube.portlets.user.geoportaldataentry.client.events.RelationActionHandlerEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.events.SaveGeonaDataFormsEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.events.SaveGeonaDataFormsHandler;
 import org.gcube.portlets.user.geoportaldataentry.client.events.TreeItemEvent;
@@ -238,7 +237,8 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 
 					@Override
 					public void onSuccess(GNADataEntryExtendedConfigProfile gNADataEntryConfig) {
-						GWT.log(GNADataEntryExtendedConfigProfile.class.getSimpleName() + " loaded: " + gNADataEntryConfig);
+						GWT.log(GNADataEntryExtendedConfigProfile.class.getSimpleName() + " loaded: "
+								+ gNADataEntryConfig);
 
 						try {
 							ConstantsGeoPortalDataEntryApp.ROOT_PANEL_DIV_LOADERS.remove(loaderApplication);
@@ -784,7 +784,8 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 					searchingFilter = mainTabPanel.getCurrentProjectsSearchingFilter();
 
 					// Searching in the cache if the list of relationship definition is present
-					List<RelationshipDefinitionDV> listRelationshipsDef = geoportalCaches.getListRelationshipDefinitionForProfileId(profileID);
+					List<RelationshipDefinitionDV> listRelationshipsDef = geoportalCaches
+							.getListRelationshipDefinitionForProfileId(profileID);
 					// Loading list of relationships definition ProfileID
 					if (listRelationshipsDef == null || listRelationshipsDef.isEmpty()) {
 
@@ -794,7 +795,8 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 									@Override
 									public void onSuccess(List<RelationshipDefinitionDV> relationshipDef) {
 										GWT.log("getRelationshipNames for " + profileID + " are: " + relationshipDef);
-										geoportalCaches.putListRelationshipsDefinitionForProfileID(profileID, relationshipDef);
+										geoportalCaches.putListRelationshipsDefinitionForProfileID(profileID,
+												relationshipDef);
 										mainTabPanel.enableRelatioshipFacilities(
 												relationshipDef != null && !relationshipDef.isEmpty());
 									}
@@ -840,13 +842,174 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 			}
 		});
 
-		appManagerBus.addHandler(CreateRelationHandlerEvent.TYPE, new CreateRelationHandler() {
+		appManagerBus.addHandler(RelationActionHandlerEvent.TYPE, new RelationActionHandler() {
 
 			@Override
-			public void onCreateRelation(CreateRelationHandlerEvent createRelationHE) {
+			public void onCreateRelation(RelationActionHandlerEvent createRelationHE) {
+
+				if (createRelationHE.getRelactionActionType() == null)
+					return;
+
+				switch (createRelationHE.getRelactionActionType()) {
+				case DELETE: {
+
+					if (createRelationHE.getFromProject() == null || createRelationHE.getToProject() == null) {
+						DialogInform di = new DialogInform(null, "No selection", "You must select a Project");
+						di.center();
+						return;
+					}
+
+					String firstProject = createRelationHE.getFromProject().getFirstEntryOfMap().getKey() + ": "
+							+ createRelationHE.getFromProject().getFirstEntryOfMap().getValue() + " (id:"
+							+ createRelationHE.getFromProject().getId() + ")";
+
+					final String relationName = createRelationHE.getRelationName();
+
+					String secondProject = createRelationHE.getToProject().getFirstEntryOfMap().getKey() + ": "
+							+ createRelationHE.getToProject().getFirstEntryOfMap().getValue() + " (id:"
+							+ createRelationHE.getToProject().getId() + ")";
+
+					String htmlMsg = "Going to delete the relation <b>" + relationName + "</b><br>";
+					htmlMsg += "<i style='color:#333;'>From Project:</i><ul><li>" + firstProject + "</li></ul>";
+					htmlMsg += "<b>" + relationName + "</b><br>";
+					htmlMsg += "<i style='color:#333;'>To Project:</i><ul><li>" + secondProject + "</li></ul>";
+					htmlMsg += "<br>";
+					htmlMsg += "Would you like to proceed?";
+
+					final ModalConfirm dialog = new ModalConfirm(null,
+							"Deleting relationship " + relationName + ", Confirm?", htmlMsg);
+
+					dialog.getYesButton().addClickHandler(new ClickHandler() {
+
+						@Override
+						public void onClick(ClickEvent event) {
+							dialog.hide();
 
 							final Modal modal = new Modal(true, true);
-				modal.setTitle("Creating relation...");
+							modal.setTitle("Deleting relationship...");
+							modal.setWidth(800);
+							modal.setCloseVisible(false);
+							String fromProfileID = createRelationHE.getFromProject().getProfileID();
+							String fromProjectID = createRelationHE.getFromProject().getId();
+							String toProfileID = createRelationHE.getToProject().getProfileID();
+							String toProjectID = createRelationHE.getToProject().getId();
+							final VerticalPanel modalContainerPanel = new VerticalPanel();
+							final LoaderIcon loader = new LoaderIcon("Trying to delete the relation " + relationName
+									+ " from Project ID: " + fromProjectID + " to Project ID: " + toProjectID);
+							modalContainerPanel.add(loader);
+							modal.add(modalContainerPanel);
+
+							GeoportalDataEntryServiceAsync.Util.getInstance().deleteRelationship(fromProfileID,
+									fromProjectID, relationName, toProfileID, toProjectID, new AsyncCallback<ResultDocumentDV>() {
+
+										@Override
+										public void onFailure(Throwable caught) {
+											modalContainerPanel.clear();
+											modal.setCloseVisible(true);
+											try {
+												modal.remove(loader);
+											} catch (Exception e) {
+											}
+											Alert alert = new Alert(caught.getMessage());
+											alert.setType(AlertType.ERROR);
+											alert.setClose(false);
+											modal.add(alert);
+
+										}
+
+										@Override
+										public void onSuccess(ResultDocumentDV result) {
+											modal.setTitle("Relationship deleted");
+											modalContainerPanel.clear();
+											modal.setCloseVisible(true);
+											try {
+												modal.remove(loader);
+											} catch (Exception e) {
+												// TODO: handle exception
+											}
+											Alert alert = new Alert();
+											alert.setType(AlertType.SUCCESS);
+											alert.setClose(false);
+											alert.setText("Relationship " + relationName + " deleted correctly!");
+											modal.add(alert);
+
+											String htmlMsg = "In the project with:";
+											htmlMsg += "<ul>";
+											htmlMsg += "<li>id: " + fromProjectID + "</li>";
+											htmlMsg += "<li>profile: " + fromProfileID + "</li>";
+											htmlMsg += "<li>"
+													+ result.getFirstEntryOfMap().getKey()
+													+ ": "
+													+ result.getFirstEntryOfMap().getValue()
+													+ "</li>";
+											htmlMsg += "</ul>";
+											htmlMsg += "has been deleted the relationship <b>" + relationName
+													+ "</b> to the project wiht id: " + toProjectID;
+											modal.add(new HTML(htmlMsg));
+//											ReportTemplateToHTML rtth = new ReportTemplateToHTML("Relationship", result.getAsJSON(),
+//													false, false);
+//											rtth.showAsJSON(false);
+//											modal.add(rtth);
+
+											List<DocumentDV> listDocuments = Arrays
+													.asList(result);
+											
+											appManagerBus.fireEvent(new OperationOnItemEvent<DocumentDV>(listDocuments,
+													OPERATION_ON_ITEM.VIEW_RELATIONSHIPS));
+											
+											appManagerBus.fireEvent(new GetListOfRecordsEvent(false,
+													fromProfileID,
+													mainTabPanel.getCurrentProjectsSearchingFilter(), true));
+
+										}
+									});
+
+							modal.show();
+						}
+
+					});
+
+					dialog.show();
+
+					break;
+				}
+				case CREATE: {
+
+					if (createRelationHE.getFromProject() == null || createRelationHE.getToProject() == null) {
+						DialogInform di = new DialogInform(null, "No selection",
+								"You must select a Project from/to in the table");
+						di.center();
+						return;
+					}
+
+					String firstProject = createRelationHE.getFromProject().getFirstEntryOfMap().getKey() + ": "
+							+ createRelationHE.getFromProject().getFirstEntryOfMap().getValue() + " (id:"
+							+ createRelationHE.getFromProject().getId() + ")";
+
+					String relation = createRelationHE.getRelationSelected().getLabel();
+
+					String secondProject = createRelationHE.getToProject().getFirstEntryOfMap().getKey() + ": "
+							+ createRelationHE.getToProject().getFirstEntryOfMap().getValue() + " (id:"
+							+ createRelationHE.getToProject().getId() + ")";
+
+					String htmlMsg = "Going to create the relation <b>" + relation + "</b><br>";
+					htmlMsg += "<i style='color:#333;'>From Project:</i><ul><li>" + firstProject + "</li></ul>";
+					htmlMsg += "<b>" + relation + "</b><br>";
+					htmlMsg += "<i style='color:#333;'>To Project:</i><ul><li>" + secondProject + "</li></ul>";
+					htmlMsg += "<br>";
+					htmlMsg += "Would you like to proceed?";
+
+					final ModalConfirm dialog = new ModalConfirm(null,
+							"Creating relationship " + relation + ", Confirm?", htmlMsg);
+
+					dialog.getYesButton().addClickHandler(new ClickHandler() {
+
+						@Override
+						public void onClick(ClickEvent event) {
+							dialog.hide();
+
+							final Modal modal = new Modal(true, true);
+							modal.setTitle("Creating relationship...");
 							modal.setWidth(800);
 							modal.setCloseVisible(false);
 							final RelationshipDefinitionDV relationSelected = createRelationHE.getRelationSelected();
@@ -855,13 +1018,15 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 							String toProfileID = createRelationHE.getToProject().getProfileID();
 							String toProjectID = createRelationHE.getToProject().getId();
 							final VerticalPanel modalContainerPanel = new VerticalPanel();
-				final LoaderIcon loader = new LoaderIcon("Trying to create the relation " + relationSelected.getLabel()
+							final LoaderIcon loader = new LoaderIcon(
+									"Trying to create the relation " + relationSelected.getLabel()
 											+ " from Project ID: " + fromProjectID + " to Project ID: " + toProjectID);
 							modalContainerPanel.add(loader);
 							modal.add(modalContainerPanel);
 
-				GeoportalDataEntryServiceAsync.Util.getInstance().createRelationship(fromProfileID, fromProjectID,
+							GeoportalDataEntryServiceAsync.Util.getInstance().createRelationship(fromProfileID,
-						relationSelected.getId(), toProfileID, toProjectID, new AsyncCallback<Void>() {
+									fromProjectID, relationSelected.getId(), toProfileID, toProjectID,
+									new AsyncCallback<Void>() {
 
 										@Override
 										public void onFailure(Throwable caught) {
@@ -891,19 +1056,23 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 											Alert alert = new Alert();
 											alert.setType(AlertType.SUCCESS);
 											alert.setClose(false);
-								alert.setText("Relationship " + relationSelected.getLabel() + " created correctly!");
+											alert.setText("Relationship " + relationSelected.getLabel()
+													+ " created correctly!");
 											modal.add(alert);
 
 											String htmlMsg = "In the project with:";
 											htmlMsg += "<ul>";
 											htmlMsg += "<li>id: " + fromProjectID + "</li>";
 											htmlMsg += "<li>profile: " + fromProfileID + "</li>";
-								htmlMsg += "<li>" + createRelationHE.getFromProject().getFirstEntryOfMap().getKey()
+											htmlMsg += "<li>"
-										+ ": " + createRelationHE.getFromProject().getFirstEntryOfMap().getValue()
+													+ createRelationHE.getFromProject().getFirstEntryOfMap().getKey()
+													+ ": "
+													+ createRelationHE.getFromProject().getFirstEntryOfMap().getValue()
 													+ "</li>";
 											htmlMsg += "</ul>";
-								htmlMsg += "has been created the relationship <b>" + relationSelected.getLabel()
+											htmlMsg += "has been created the relationship <b>"
-										+ "</b> to the project wiht id: " + toProjectID;
+													+ relationSelected.getLabel() + "</b> to the project wiht id: "
+													+ toProjectID;
 											modal.add(new HTML(htmlMsg));
 //											ReportTemplateToHTML rtth = new ReportTemplateToHTML("Relationship", result.getAsJSON(),
 //													false, false);
@@ -911,10 +1080,24 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 //											modal.add(rtth);
 
 											appManagerBus.fireEvent(new CloseCreateRelationGUIEvent());
+											
+											appManagerBus.fireEvent(new GetListOfRecordsEvent(false,
+													fromProfileID,
+													mainTabPanel.getCurrentProjectsSearchingFilter(), true));
 										}
 									});
 
 							modal.show();
+						}
+
+					});
+
+					dialog.show();
+
+				}
+				default:
+					break;
+				}
 
 			}
 		});
@@ -1262,7 +1445,7 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 						}
 
 						case VIEW_RELATIONSHIPS: {
-
+							GWT.log("VIEW_RELATIONSHIPS fired");
 							mainTabPanel.showViewProjectRelationsPanel(true, resultDocumentDV);
 
 							break;

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/GeoportalDataEntryService.java

@@ -9,7 +9,6 @@ import org.gcube.application.geoportalcommon.shared.geoportal.ResultDocumentDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.config.ActionDefinitionDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.LifecycleInformationDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.ProjectDV;
-import org.gcube.application.geoportalcommon.shared.geoportal.project.RelationshipDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.RelationshipDefinitionDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.UseCaseDescriptorDV;
 import org.gcube.application.geoportalcommon.shared.products.ConcessioneDV;
@@ -210,4 +209,18 @@ public interface GeoportalDataEntryService extends RemoteService {
 	 */
 	ResultDocumentDV getResultDocumentFoProjectByID(String profileID, String projectID) throws Exception;
 
+	/**
+	 * Delete relationship.
+	 *
+	 * @param fromProfileID the from profile ID
+	 * @param fromProjectID the from project ID
+	 * @param id            the id
+	 * @param toProfileID   the to profile ID
+	 * @param toProjectID   the to project ID
+	 * @return 
+	 * @throws Exception the exception
+	 */
+	ResultDocumentDV deleteRelationship(String fromProfileID, String fromProjectID, String id, String toProfileID,
+			String toProjectID) throws Exception;
+
 }

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/GeoportalDataEntryServiceAsync.java

@@ -9,7 +9,6 @@ import org.gcube.application.geoportalcommon.shared.geoportal.ResultDocumentDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.config.ActionDefinitionDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.LifecycleInformationDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.ProjectDV;
-import org.gcube.application.geoportalcommon.shared.geoportal.project.RelationshipDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.RelationshipDefinitionDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.UseCaseDescriptorDV;
 import org.gcube.application.geoportalcommon.shared.products.ConcessioneDV;
@@ -93,4 +92,7 @@ public interface GeoportalDataEntryServiceAsync {
 
 	void getResultDocumentFoProjectByID(String profileID, String projectID, AsyncCallback<ResultDocumentDV> callback);
 
+	void deleteRelationship(String fromProfileID, String fromProjectID, String id, String toProfileID,
+			String toProjectID, AsyncCallback<ResultDocumentDV> asyncCallback);
+
 }

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/events/CreateRelationHandlerEvent.java

@@ -1,67 +0,0 @@
-package org.gcube.portlets.user.geoportaldataentry.client.events;
-
-import org.gcube.application.geoportalcommon.shared.geoportal.ResultDocumentDV;
-import org.gcube.application.geoportalcommon.shared.geoportal.ucd.RelationshipDefinitionDV;
-
-import com.google.gwt.event.shared.GwtEvent;
-
-public class CreateRelationHandlerEvent extends GwtEvent<CreateRelationHandler> {
-
-	/** The type. */
-	public static Type<CreateRelationHandler> TYPE = new Type<CreateRelationHandler>();
-	private ResultDocumentDV fromProject;
-	private RelationshipDefinitionDV relationSelected;
-	private ResultDocumentDV toProject;
-
-	public CreateRelationHandlerEvent(ResultDocumentDV fromProject, RelationshipDefinitionDV relationSelected,
-			ResultDocumentDV toProject) {
-		this.fromProject = fromProject;
-		this.relationSelected = relationSelected;
-		this.toProject = toProject;
-	}
-
-	/**
-	 * Gets the associated type.
-	 *
-	 * @return the associated type
-	 */
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
-	 */
-	@Override
-	public Type<CreateRelationHandler> getAssociatedType() {
-		return TYPE;
-	}
-
-	/**
-	 * Dispatch.
-	 *
-	 * @param handler the handler
-	 */
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see
-	 * com.google.gwt.event.shared.GwtEvent#dispatch(com.google.gwt.event.shared.
-	 * EventHandler)
-	 */
-	@Override
-	protected void dispatch(CreateRelationHandler handler) {
-		handler.onCreateRelation(this);
-	}
-
-	public ResultDocumentDV getFromProject() {
-		return fromProject;
-	}
-
-	public RelationshipDefinitionDV getRelationSelected() {
-		return relationSelected;
-	}
-
-	public ResultDocumentDV getToProject() {
-		return toProject;
-	}
-
-}

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/events/RelationActionHandler.java

@@ -3,18 +3,18 @@ package org.gcube.portlets.user.geoportaldataentry.client.events;
 import com.google.gwt.event.shared.EventHandler;
 
 /**
- * The Interface CreateRelationHandler.
+ * The Interface RelationActionHandler.
  *
  * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
  * 
- *         Sep 21, 2022
+ *         Oct 5, 2022
  */
-public interface CreateRelationHandler extends EventHandler {
+public interface RelationActionHandler extends EventHandler {
 
 	/**
 	 * On create relation.
 	 *
 	 * @param createRelationHandlerEvent the create relation handler event
 	 */
-	void onCreateRelation(CreateRelationHandlerEvent createRelationHandlerEvent);
+	void onCreateRelation(RelationActionHandlerEvent createRelationHandlerEvent);
 }

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/events/RelationActionHandlerEvent.java

@@ -0,0 +1,142 @@
+package org.gcube.portlets.user.geoportaldataentry.client.events;
+
+import org.gcube.application.geoportalcommon.shared.geoportal.ResultDocumentDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.ucd.RelationshipDefinitionDV;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class RelationActionHandlerEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Oct 5, 2022
+ */
+public class RelationActionHandlerEvent extends GwtEvent<RelationActionHandler> {
+
+	/** The type. */
+	public static Type<RelationActionHandler> TYPE = new Type<RelationActionHandler>();
+	private ResultDocumentDV fromProject;
+	private RelationshipDefinitionDV relationSelected;
+	private ResultDocumentDV toProject;
+	private RELACTION_ACTION_TYPE relactionActionType;
+	private String relationName;
+
+	/**
+	 * The Enum RELACTION_ACTION_TYPE.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Oct 5, 2022
+	 */
+	public static enum RELACTION_ACTION_TYPE {
+		CREATE, DELETE
+	}
+
+	/**
+	 * Instantiates a new relation action handler event.
+	 *
+	 * @param fromProject      the from project
+	 * @param relationSelected the relation selected
+	 * @param toProject        the to project
+	 */
+	public RelationActionHandlerEvent(ResultDocumentDV fromProject, RelationshipDefinitionDV relationSelected,
+			ResultDocumentDV toProject) {
+		this.fromProject = fromProject;
+		this.relationSelected = relationSelected;
+		this.toProject = toProject;
+		this.relactionActionType = RELACTION_ACTION_TYPE.CREATE;
+	}
+
+	/**
+	 * Instantiates a new relation action handler event.
+	 *
+	 * @param fromProject  the from project
+	 * @param relationName the relation name
+	 * @param toProject    the to project
+	 */
+	public RelationActionHandlerEvent(ResultDocumentDV fromProject, String relationName, ResultDocumentDV toProject) {
+		this.fromProject = fromProject;
+		this.toProject = toProject;
+		this.relationName = relationName;
+		this.relactionActionType = RELACTION_ACTION_TYPE.DELETE;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
+	 */
+	@Override
+	public Type<RelationActionHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * com.google.gwt.event.shared.GwtEvent#dispatch(com.google.gwt.event.shared.
+	 * EventHandler)
+	 */
+	@Override
+	protected void dispatch(RelationActionHandler handler) {
+		handler.onCreateRelation(this);
+	}
+
+	/**
+	 * Gets the from project.
+	 *
+	 * @return the from project
+	 */
+	public ResultDocumentDV getFromProject() {
+		return fromProject;
+	}
+
+	/**
+	 * Gets the relation selected.
+	 *
+	 * @return the relation selected
+	 */
+	public RelationshipDefinitionDV getRelationSelected() {
+		return relationSelected;
+	}
+
+	/**
+	 * Gets the to project.
+	 *
+	 * @return the to project
+	 */
+	public ResultDocumentDV getToProject() {
+		return toProject;
+	}
+
+	/**
+	 * Gets the relaction action type.
+	 *
+	 * @return the relaction action type
+	 */
+	public RELACTION_ACTION_TYPE getRelactionActionType() {
+		return relactionActionType;
+	}
+
+	/**
+	 * Gets the relation name.
+	 *
+	 * @return the relation name
+	 */
+	public String getRelationName() {
+		return relationName;
+	}
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/ui/relation/CreateRelationProjectsPanel.java

@@ -8,7 +8,7 @@ import org.gcube.application.geoportalcommon.shared.geoportal.ResultDocumentDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.RelationshipDefinitionDV;
 import org.gcube.portlets.user.geoportaldataentry.client.GeoPortalDataEntryApp;
 import org.gcube.portlets.user.geoportaldataentry.client.events.CloseCreateRelationGUIEvent;
-import org.gcube.portlets.user.geoportaldataentry.client.events.CreateRelationHandlerEvent;
+import org.gcube.portlets.user.geoportaldataentry.client.events.RelationActionHandlerEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.resource.Images;
 import org.gcube.portlets.user.geoportaldataentry.client.ui.report.ReportTemplateToHTML;
 
@@ -174,7 +174,7 @@ public class CreateRelationProjectsPanel extends Composite {
 					
 					RelationshipDefinitionDV relationSelected = mapRelationsDefiniton.get(listBoxRelationNames.getSelectedValue());
 					
-					appManagerBus.fireEvent(new CreateRelationHandlerEvent(selectedProjects.get(0),
+					appManagerBus.fireEvent(new RelationActionHandlerEvent(selectedProjects.get(0),
 							relationSelected, selectedProjects.get(1)));
 				}
 

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/ui/relation/ViewRelationshipPanel.java

@@ -1,12 +1,14 @@
 package org.gcube.portlets.user.geoportaldataentry.client.ui.relation;
 
 import java.util.HashMap;
+import java.util.Map;
 import java.util.Map.Entry;
 
 import org.gcube.application.geoportalcommon.shared.geoportal.ResultDocumentDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.RelationshipDV;
 import org.gcube.portlets.user.geoportaldataentry.client.GeoportalDataEntryServiceAsync;
 import org.gcube.portlets.user.geoportaldataentry.client.events.CloseCreateRelationGUIEvent;
+import org.gcube.portlets.user.geoportaldataentry.client.events.RelationActionHandlerEvent;
 import org.gcube.portlets.user.geoportaldataentry.client.ui.report.ReportTemplateToHTML;
 import org.gcube.portlets.user.geoportaldataentry.client.ui.utils.LoaderIcon;
 
@@ -17,7 +19,6 @@ import com.github.gwtbootstrap.client.ui.constants.IconSize;
 import com.github.gwtbootstrap.client.ui.constants.IconType;
 import com.github.gwtbootstrap.client.ui.constants.LabelType;
 import com.google.gwt.core.client.GWT;
-import com.google.gwt.dom.client.Style.Unit;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.event.shared.HandlerManager;
@@ -62,6 +63,8 @@ public class ViewRelationshipPanel extends Composite {
 
 	private HandlerManager appManagerBus;
 	
+	private Map<String, ResultDocumentDV> mapOfTargetProjectForId = new HashMap<String, ResultDocumentDV>();
+
 	public ViewRelationshipPanel(HandlerManager appManagerBus, ResultDocumentDV fromProject) {
 		initWidget(uiBinder.createAndBindUi(this));
 		this.appManagerBus = appManagerBus;
@@ -102,12 +105,34 @@ public class ViewRelationshipPanel extends Composite {
 			secondProjectPanelContainer.clear();
 
 			for (RelationshipDV relationDV : project.getListRelationshipDV()) {
+				
+
 				final FlexTable flexTable = new FlexTable();
-				flexTable.getElement().getStyle().setMarginTop(10, Unit.PX);
+				flexTable.getElement().addClassName("box-table-diplay-project");
 				Label label = new Label();
 				label.setType(LabelType.INFO);
 				label.setText(relationDV.getRelationshipName());
-				flexTable.setWidget(0, 0, label);
+				
+				
+				FlowPanel panelContainer = new FlowPanel();
+				Button deleteRelation = new Button("",IconType.TRASH);
+				deleteRelation.setTitle("Delete this releation");
+				deleteRelation.setType(ButtonType.LINK);
+				deleteRelation.addClickHandler(new ClickHandler() {
+					
+					@Override
+					public void onClick(ClickEvent event) {
+						ResultDocumentDV toProject = mapOfTargetProjectForId.get(relationDV.getTargetUCD());
+						appManagerBus.fireEvent(new RelationActionHandlerEvent(project, relationDV.getRelationshipName(), toProject));
+						
+					}
+				});
+				
+				panelContainer.add(label);
+				panelContainer.add(deleteRelation);
+				flexTable.setWidget(0, 0, panelContainer);
+				
+				
 				flexTable.setWidget(1, 0, new LoaderIcon("loading project.."));
 				GeoportalDataEntryServiceAsync.Util.getInstance().getResultDocumentFoProjectByID(relationDV.getTargetUCD(),
 						relationDV.getTargetID(), new AsyncCallback<ResultDocumentDV>() {
@@ -120,6 +145,7 @@ public class ViewRelationshipPanel extends Composite {
 
 							@Override
 							public void onSuccess(ResultDocumentDV result) {
+								mapOfTargetProjectForId.put(relationDV.getTargetUCD(), result);
 								Entry<String, Object> firstEntrySet = result.getFirstEntryOfMap();
 								String htmlMsg = firstEntrySet.getKey() + ": <b>" + firstEntrySet.getValue()
 										+ "</b> (id: " + result.getId() + ")";

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/ui/table/ItemsTable.java

@@ -401,7 +401,7 @@ public class ItemsTable<T extends DocumentDV> extends AbstractItemsCellTable<T>
 
 		for (String relationName : mapclusterOfRelationships.keySet()) {
 
-			html += mapclusterOfRelationships.get(relationName) + " - " + relationName + "\n";
+			html += mapclusterOfRelationships.get(relationName) + " - " + relationName + "; ";
 		}
 
 		return html;

src/main/java/org/gcube/portlets/user/geoportaldataentry/server/GeoportalDataEntryServiceImpl.java

@@ -12,7 +12,6 @@ import org.bson.Document;
 import org.gcube.application.geoportal.client.utils.Serialization;
 import org.gcube.application.geoportal.common.model.document.Project;
 import org.gcube.application.geoportal.common.model.document.lifecycle.LifecycleInformation;
-import org.gcube.application.geoportal.common.model.document.relationships.Relationship;
 import org.gcube.application.geoportal.common.model.useCaseDescriptor.RelationshipDefinition;
 import org.gcube.application.geoportal.common.model.useCaseDescriptor.UseCaseDescriptor;
 import org.gcube.application.geoportalcommon.ConvertToDataValueObjectModel;
@@ -39,7 +38,6 @@ import org.gcube.application.geoportalcommon.shared.geoportal.config.FilePathDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.config.GcubeProfileDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.LifecycleInformationDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.ProjectDV;
-import org.gcube.application.geoportalcommon.shared.geoportal.project.RelationshipDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.GEOPORTAL_DATA_HANDLER;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.RelationshipDefinitionDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.UseCaseDescriptorDV;
@@ -987,6 +985,26 @@ public class GeoportalDataEntryServiceImpl extends RemoteServiceServlet implemen
 
 	}
 	
+
+	@Override
+	public ResultDocumentDV deleteRelationship(String fromProfileID, String fromProjectID, String relationshipId, String toProfileID,
+			String toProjectID) throws Exception {
+		LOG.info("deleteRelationship called");
+		try {
+			ProjectsCaller projects = GeoportalClientCaller.projects();
+			SessionUtil.getCurrentContext(getThreadLocalRequest(), true);
+			projects.deleteRelationship(fromProfileID, fromProjectID, relationshipId, toProfileID, toProjectID);
+			SessionUtil.getCurrentContext(getThreadLocalRequest(), true);
+			return getResultDocumentFoProjectByID(fromProfileID, fromProjectID);
+			
+		} catch (Exception e) {
+			String error = "Error occurred on deleting the relationship";
+			LOG.error(error, e);
+			throw new Exception(
+					error + ". Error: " + e.getMessage() + ". Refresh and try again or contact the support");
+		}
+	}
+
 	/**
 	 * Gets the project by ID.
 	 *
@@ -1045,4 +1063,5 @@ public class GeoportalDataEntryServiceImpl extends RemoteServiceServlet implemen
 		}
 
 	}
+
 }

src/main/webapp/GeoPortalDataEntryApp.css

@@ -242,3 +242,13 @@ h1 {
 .theDetailsPanel .accordion-group {
  	 border: 0 !important;
 }
+
+.box-table-diplay-project {
+	border: 1px solid #96a5b5;
+	border-radius: 5px;
+	margin-bottom: 5px;
+}
+
+.box-table-diplay-project td {
+	padding-left: 5px;
+}