Intragrated with the Workspace (Select file from Workspace)

pom.xml

@@ -104,6 +104,11 @@
 			<artifactId>gcubedatacatalogue-metadata-discovery</artifactId>
 			<version>[3.0.0, 4.0.0-SNAPSHOT)</version>
 		</dependency>
+		<dependency>
+			<groupId>org.gcube.portlets.user</groupId>
+			<artifactId>uri-resolver-manager</artifactId>
+			<version>[1.0.0, 2.0.0-SNAPSHOT)</version>
+		</dependency>
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/CKanPublisherService.java

@@ -162,4 +162,14 @@ public interface CKanPublisherService extends RemoteService {
 	 * @throws Exception the exception
 	 */
 	DatasetBean updateCKANDataset(DatasetBean toUpdate) throws Exception;
+
+	/**
+	 * Gets the public link for file item id.
+	 *
+	 * @param itemId the item id
+	 * @param shortenUrl the shorten url
+	 * @return the public link for file item id
+	 * @throws Exception the exception
+	 */
+	String getPublicLinkForFileItemId(String itemId, boolean shortenUrl) throws Exception;
 }

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/CKanPublisherServiceAsync.java

@@ -48,10 +48,10 @@ public interface CKanPublisherServiceAsync {
 	/**
 	 * Add this resource to the dataset whose id is datasetId.
 	 *
-	 * @param resource  the resource
+	 * @param resource         the resource
 	 * @param organizationName the organization name
-	 * @param datasetId the dataset id
+	 * @param datasetId        the dataset id
-	 * @param callback  the callback
+	 * @param callback         the callback
 	 */
 	void addResourceToDataset(ResourceElementBean resource, String organizationName, String datasetId,
 			AsyncCallback<ResourceElementBean> callback);
@@ -167,4 +167,15 @@ public interface CKanPublisherServiceAsync {
 	 * @throws Exception the exception
 	 */
 	void updateCKANDataset(DatasetBean toUpdate, AsyncCallback<DatasetBean> callaback);
+
+	/**
+	 * Gets the public link for file item id.
+	 *
+	 * @param itemId     the item id
+	 * @param shortenUrl the shorten url
+	 * @param callaback  the callaback
+	 * @return the public link for file item id
+	 * @throws Exception the exception
+	 */
+	void getPublicLinkForFileItemId(String itemId, boolean shortenUrl, AsyncCallback<String> callaback);
 }

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/events/WorkspaceItemSelectedEvent.java

@@ -0,0 +1,51 @@
+package org.gcube.portlets.widgets.ckandatapublisherwidget.client.events;
+
+import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class WorkspaceItemSelectedEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Feb 16, 2024
+ */
+public class WorkspaceItemSelectedEvent extends GwtEvent<WorkspaceItemSelectedEventHandler> {
+	public static Type<WorkspaceItemSelectedEventHandler> TYPE = new Type<WorkspaceItemSelectedEventHandler>();
+
+	private Item item;
+
+	/**
+	 * Instantiates a new workspace item selected event.
+	 *
+	 * @param resource the resource
+	 */
+	public WorkspaceItemSelectedEvent(Item item) {
+		this.item = item;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	@Override
+	public Type<WorkspaceItemSelectedEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	@Override
+	protected void dispatch(WorkspaceItemSelectedEventHandler handler) {
+		handler.onSelectedItem(this);
+	}
+
+	public Item getItem() {
+		return item;
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/events/WorkspaceItemSelectedEventHandler.java

@@ -0,0 +1,20 @@
+package org.gcube.portlets.widgets.ckandatapublisherwidget.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * The Interface WorkspaceItemSelectedEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Feb 16, 2024
+ */
+public interface WorkspaceItemSelectedEventHandler extends EventHandler {
+
+	/**
+	 * On selected item.
+	 *
+	 * @param workspaceItemSelectedEvent the workspace item selected event
+	 */
+	void onSelectedItem(WorkspaceItemSelectedEvent workspaceItemSelectedEvent);
+}

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/form/CreateDatasetForm.java

@@ -20,7 +20,6 @@ import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.DeleteCu
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.ReloadDatasetPageEvent;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.ReloadDatasetPageEventHandler;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.metadata.CustomFieldEntry;
-import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.resources.AddResourceToDataset;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.resources.ManageResources;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.utils.InfoIconsLabels;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.utils.WizardCreator;
@@ -46,7 +45,6 @@ import com.github.gwtbootstrap.client.ui.Icon;
 import com.github.gwtbootstrap.client.ui.ListBox;
 import com.github.gwtbootstrap.client.ui.Paragraph;
 import com.github.gwtbootstrap.client.ui.Popover;
-import com.github.gwtbootstrap.client.ui.TabPanel;
 import com.github.gwtbootstrap.client.ui.TextArea;
 import com.github.gwtbootstrap.client.ui.TextBox;
 import com.github.gwtbootstrap.client.ui.constants.AlertType;

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/form/UpdateDatasetForm.java

@@ -1014,26 +1014,6 @@ public class UpdateDatasetForm extends Composite {
 				actionsAfterOnContinue();
 			else {
 				actionsAfterOnContinue();
-//				alertOnContinue("Checking if a item with such title already exists, please wait...", AlertType.INFO);
-//				final String orgName = nameTitleOrganizationMap.get(organizationsListbox.getSelectedItemText());
-//				ckanServices.datasetIdAlreadyExists(titleTextBox.getText(), orgName, new AsyncCallback<Boolean>() {
-//
-//					@Override
-//					public void onSuccess(Boolean result) {
-//						if (result) {
-//							alertOnContinue("Sorry but an item with such title already exists, try to change it",
-//									AlertType.WARNING);
-//						} else {
-//							actionsAfterOnContinue();
-//						}
-//					}
-//
-//					@Override
-//					public void onFailure(Throwable caught) {
-//						alertOnContinue("Sorry but there was a problem while checking if the inserted data are correct",
-//								AlertType.ERROR);
-//					}
-//				});
 			}
 		}
 	}
@@ -1399,10 +1379,6 @@ public class UpdateDatasetForm extends Composite {
 
 		ManageResources manageResources = new ManageResources(eventBusPublisherWidget, theDatasetBean, datasetUrl);
 
-		// form container
-//		AddResourceContainer container = new AddResourceContainer(datasetUrl);
-//		container.add(tabPanel);
-
 		// add the new content of the main panel
 		createDatasetMainPanel.add(manageResources);
 
@@ -1414,8 +1390,6 @@ public class UpdateDatasetForm extends Composite {
 				manageResources.getEventBus().fireEvent(new AddResourceEvent(reb));
 			}
 		}
-
-		// ((NavLink) tabPanel.getWidget(1)).setActive(true);
 	}
 
 	/**

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/resources/AddResourceToDataset.java

@@ -4,9 +4,12 @@ import org.gcube.portlets.widgets.ckandatapublisherwidget.client.CKanPublisherSe
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.CKanPublisherServiceAsync;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.AddResourceEvent;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.ReloadDatasetPageEvent;
+import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.WorkspaceItemSelectedEvent;
+import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.WorkspaceItemSelectedEventHandler;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.shared.ResourceElementBean;
 import org.gcube.portlets.widgets.mpformbuilder.client.ui.utils.LoaderIcon;
 
+import com.github.gwtbootstrap.client.ui.Alert;
 import com.github.gwtbootstrap.client.ui.AlertBlock;
 import com.github.gwtbootstrap.client.ui.Button;
 import com.github.gwtbootstrap.client.ui.ControlGroup;
@@ -15,6 +18,7 @@ import com.github.gwtbootstrap.client.ui.TextBox;
 import com.github.gwtbootstrap.client.ui.constants.AlertType;
 import com.github.gwtbootstrap.client.ui.constants.ControlGroupType;
 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;
@@ -25,20 +29,21 @@ import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.DialogBox;
 import com.google.gwt.user.client.ui.FlowPanel;
+import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.Widget;
 
 /**
  * Form used to add resource(s) to a dataset
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
-public class AddResourceToDataset extends Composite{
+public class AddResourceToDataset extends Composite {
 
-	private static AddResourceToDatasetUiBinder uiBinder = GWT
+	private static AddResourceToDatasetUiBinder uiBinder = GWT.create(AddResourceToDatasetUiBinder.class);
-			.create(AddResourceToDatasetUiBinder.class);
 
-	interface AddResourceToDatasetUiBinder extends
+	interface AddResourceToDatasetUiBinder extends UiBinder<Widget, AddResourceToDataset> {
-	UiBinder<Widget, AddResourceToDataset> {
 	}
 
 	// bus to alert the dataset form about this new resource
@@ -52,30 +57,46 @@ public class AddResourceToDataset extends Composite{
 
 	private final CKanPublisherServiceAsync ckanServices = GWT.create(CKanPublisherService.class);
 
-	@UiField TextBox resourceUrlTextBox;
+	@UiField
-	@UiField TextBox resourceNameTextBox;
+	TextBox resourceUrlTextBox;
-	@UiField TextArea resourceDescriptionTextArea;
+	@UiField
-	@UiField Button addResourceButton;
+	TextBox resourceNameTextBox;
-	@UiField AlertBlock infoBlock;
+	@UiField
-	@UiField Button goToDatasetButton;
+	TextArea resourceDescriptionTextArea;
-	@UiField ControlGroup urlControlGroup;
+	@UiField
-	@UiField ControlGroup nameControlGroup;
+	Button addResourceButton;
-	@UiField FlowPanel infoPanel;
+	@UiField
+	AlertBlock infoBlock;
+	@UiField
+	Button goToDatasetButton;
+	@UiField
+	ControlGroup urlControlGroup;
+	@UiField
+	ControlGroup nameControlGroup;
+	@UiField
+	FlowPanel infoPanel;
+	@UiField
+	Button buttoSelectFromWorkspace;
+	@UiField
+	Alert alertInfoURL;
 
-	public AddResourceToDataset(HandlerManager eventBus, final String datasetId, String datasetTitle, final String datasetOrg, final String datasetUrl) {
+	FlowPanel alertPanel = new FlowPanel();
+
+	public AddResourceToDataset(HandlerManager eventBus, final String datasetId, String datasetTitle,
+			final String datasetOrg, final String datasetUrl) {
 		initWidget(uiBinder.createAndBindUi(this));
 		// save bus
 		this.eventBus = eventBus;
 		// save dataset id (it is needed when we will add resources)
 		this.datasetId = datasetId;
 		this.datasetOrg = datasetOrg;
-		
+
 		String title = datasetTitle;
 		String link = "";
 		link += title.length() > 90 ? title.substring(0, 90) + "..." : title;
-		goToDatasetButton.setTitle("Go to the item: "+title);
+		goToDatasetButton.setTitle("Go to the item: " + title);
 		goToDatasetButton.setText(link);
-		//		goToDatasetButton.setHref(datasetUrl);
+		// goToDatasetButton.setHref(datasetUrl);
 		goToDatasetButton.addClickHandler(new ClickHandler() {
 
 			@Override
@@ -83,11 +104,69 @@ public class AddResourceToDataset extends Composite{
 				Window.open(datasetUrl, "_blank", "");
 			}
 		});
+
+		alertInfoURL.setType(AlertType.WARNING);
+
+		infoBlock.add(alertPanel);
+
+		bind();
+
+		addResourceButton.setEnabled(true);
+
+	}
+
+	private void bind() {
+
+		eventBus.addHandler(WorkspaceItemSelectedEvent.TYPE, new WorkspaceItemSelectedEventHandler() {
+
+			@Override
+			public void onSelectedItem(final WorkspaceItemSelectedEvent workspaceItemSelectedEvent) {
+
+				if (workspaceItemSelectedEvent.getItem() != null) {
+					LoaderIcon loader = new LoaderIcon("Getting public link...");
+					showAlert(null, loader, AlertType.INFO, false, true);
+
+					ckanServices.getPublicLinkForFileItemId(workspaceItemSelectedEvent.getItem().getId(), true,
+							new AsyncCallback<String>() {
+
+								@Override
+								public void onFailure(Throwable caught) {
+									showAlert(caught.getMessage(), null, AlertType.ERROR, false, true);
+
+								}
+
+								@Override
+								public void onSuccess(String result) {
+									showAlert("", null, null, false, false);
+									resourceUrlTextBox.setText(result);
+									resourceNameTextBox.setText(workspaceItemSelectedEvent.getItem().getName());
+								}
+							});
+				}
+
+			}
+		});
+
+	}
+
+	@UiHandler("buttoSelectFromWorkspace")
+	void onSelectFromWorkspaceClick(ClickEvent e) {
+
+		final DialogBox dialog = new DialogBox(false);
+		dialog.setText("Select file from Workspace...");
+
+		dialog.getElement().getStyle().setWidth(700, Unit.PX);
+		dialog.getElement().getStyle().setZIndex(10000);
+		dialog.setHeight("400px");
+
+		DialogWorkspaceExplorer dbw = new DialogWorkspaceExplorer(dialog, eventBus);
+		dialog.add(dbw);
+		dialog.center();
 	}
 
 	@UiHandler("addResourceButton")
-	void onAddButtonClick(ClickEvent e){
+	void onAddButtonClick(ClickEvent e) {
-		
+
 		infoBlock.setVisible(false);
 		urlControlGroup.setType(ControlGroupType.NONE);
 		nameControlGroup.setType(ControlGroupType.NONE);
@@ -95,7 +174,7 @@ public class AddResourceToDataset extends Composite{
 		// validation
 		if (resourceUrlTextBox.getText().isEmpty()) {
 
-			showAlert("'URL' field cannot be empty", AlertType.ERROR);
+			showAlert("'URL' field cannot be empty", null, AlertType.ERROR, true, true);
 			urlControlGroup.setType(ControlGroupType.ERROR);
 			return;
 		}
@@ -103,40 +182,31 @@ public class AddResourceToDataset extends Composite{
 		// validation
 		if (resourceNameTextBox.getText().isEmpty() || resourceNameTextBox.getText().isEmpty()) {
 
-			showAlert("'Name' field cannot be empty", AlertType.ERROR);
+			showAlert("'Name' field cannot be empty", null, AlertType.ERROR, true, true);
 			nameControlGroup.setType(ControlGroupType.ERROR);
 			return;
 		}
-		
+
-		//THE URL must be HTTPS, see #21068
+		// THE URL must be HTTPS, see #21068
-		if(!(resourceUrlTextBox.getText().toLowerCase().startsWith("https://"))){
+		if (!(resourceUrlTextBox.getText().toLowerCase().startsWith("https://"))) {
-			showAlert("The URL must be HTTPS, so start with \"https://\" (e.g. https://your-resource.com)", AlertType.ERROR);
+			showAlert("The URL must be HTTPS, so start with \"https://\" (e.g. https://your-resource.com)", null,
+					AlertType.ERROR, true, true);
 			urlControlGroup.setType(ControlGroupType.ERROR);
 			return;
-			
+
 		}
 
 		// collect data and build up the bean
-		final ResourceElementBean resource = 
+		final ResourceElementBean resource = new ResourceElementBean(resourceNameTextBox.getText(), true, false, null,
-				new ResourceElementBean(
+				null, null, null, null, resourceUrlTextBox.getText(), resourceDescriptionTextArea.getText(),
-						resourceNameTextBox.getText(),
+				datasetOrg);
-						true, 
-						false, 
-						null, 
-						null, 
-						null, 
-						null, 
-						null, 
-						resourceUrlTextBox.getText(), 
-						resourceDescriptionTextArea.getText(), 
-						datasetOrg);
 
 		// disable add button
 		addResourceButton.setEnabled(false);
 
 		LoaderIcon loader = new LoaderIcon("Adding resource, please wait...");
 		infoPanel.add(loader);
-		
+
 		// try to create
 		ckanServices.addResourceToDataset(resource, datasetOrg, datasetId, new AsyncCallback<ResourceElementBean>() {
 
@@ -144,8 +214,8 @@ public class AddResourceToDataset extends Composite{
 			public void onSuccess(ResourceElementBean result) {
 				infoPanel.clear();
 
-				if(result != null){
+				if (result != null) {
-					showAlert("Resource created correctly", AlertType.SUCCESS);
+					showAlert("Resource created correctly", null, AlertType.SUCCESS, true, true);
 					eventBus.fireEvent(new AddResourceEvent(result));
 					eventBus.fireEvent(new ReloadDatasetPageEvent(datasetId));
 
@@ -154,16 +224,17 @@ public class AddResourceToDataset extends Composite{
 					resourceNameTextBox.setText("");
 					resourceDescriptionTextArea.setText("");
 
-				}
+				} else
-				else
+					showAlert("Unable to add this resource. Check that the url is correct", null, AlertType.ERROR, true,
-					showAlert("Unable to add this resource. Check that the url is correct", AlertType.ERROR);
+							true);
 
 			}
 
 			@Override
 			public void onFailure(Throwable caught) {
 				infoPanel.clear();
-				showAlert("Unable to add this resource, sorry. Error is: " + caught.getMessage(), AlertType.ERROR);
+				showAlert("Unable to add this resource, sorry. Error is: " + caught.getMessage(), null, AlertType.ERROR,
+						true, true);
 
 			}
 		});
@@ -172,27 +243,39 @@ public class AddResourceToDataset extends Composite{
 
 	/**
 	 * Show error/success after resource creation attempt.
+	 * 
 	 * @param text
 	 * @param type
 	 */
-	protected void showAlert(String text, AlertType type) {
+	protected void showAlert(String text, LoaderIcon loader, AlertType type, boolean scheduleHide, boolean setVisible) {
+
+		alertPanel.clear();
 
-		infoBlock.setText(text);
 		infoBlock.setType(type);
-		infoBlock.setVisible(true);
+		infoBlock.setVisible(setVisible);
-		addResourceButton.setEnabled(true);
 
-		// hide after some seconds
+		if (scheduleHide) {
-		Timer t = new Timer() {
+			// hide after some seconds
+			Timer t = new Timer() {
 
-			@Override
+				@Override
-			public void run() {
+				public void run() {
 
-				infoBlock.setVisible(false);
+					infoBlock.setVisible(false);
 
-			}
+				}
-		};
+			};
+
+			t.schedule(8000);
+		}
+
+		if (text != null) {
+			alertPanel.add(new HTML(text));
+		}
+
+		if (loader != null) {
+			alertPanel.add(loader);
+		}
 
-		t.schedule(8000);
 	}
 }

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/resources/AddResourceToDataset.ui.xml

@@ -44,6 +44,11 @@
 		vertical-align: middle;
 		font-weight: bold;
 	}
+	
+	.background_gray {
+		background-color: #fcfcfc !important;
+		background-color: gray !important;
+	}
 	</ui:style>
 	<g:HTMLPanel>
 		<b:Form type="HORIZONTAL" styleName="{style.form-main-style}"
@@ -58,8 +63,13 @@
 					</small>
 				</b:Legend>
 
-				<b:Alert type="INFO" close="false">The URL of the resource you are
+				<!-- Add resource button -->
-					publishing (only HTTPS URLs are allowed). If your resource is a
+				<b:Button title="Select from Workspace..."
+					ui:field="buttoSelectFromWorkspace" type="LINK">Select from Workspace</b:Button>
+
+				<b:Alert close="false" ui:field="alertInfoURL">The URL of the resource you are
+					publishing (only HTTPS
+					URLs are allowed). If your resource is a
 					file that you own on your
 					desktop, please upload that file to your
 					workspace and generate a

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/resources/DialogWorkspaceExplorer.java

@@ -0,0 +1,113 @@
+package org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.resources;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.WorkspaceItemSelectedEvent;
+import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
+import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectPanel;
+import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
+import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
+
+import com.github.gwtbootstrap.client.ui.Button;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.shared.HandlerManager;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.uibinder.client.UiHandler;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.DialogBox;
+import com.google.gwt.user.client.ui.FlowPanel;
+import com.google.gwt.user.client.ui.Widget;
+
+public class DialogWorkspaceExplorer extends Composite {
+
+	private static DialogBoxWorkspaceUiBinder uiBinder = GWT.create(DialogBoxWorkspaceUiBinder.class);
+
+	interface DialogBoxWorkspaceUiBinder extends UiBinder<Widget, DialogWorkspaceExplorer> {
+	}
+
+	@UiField
+	Button okButton;
+
+	@UiField
+	Button cancelButton;
+
+	@UiField
+	FlowPanel panelContainer;
+
+	private DialogBox dialogBox;
+
+	private Item selectedItem;
+
+	private HandlerManager eventBus;
+
+	public DialogWorkspaceExplorer(DialogBox dialog, HandlerManager eventBus) {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.dialogBox = dialog;
+		this.eventBus = eventBus;
+
+		FilterCriteria filterCriteria = null;
+		List<ItemType> selectableTypes = Arrays.asList(ItemType.DOCUMENT, ItemType.EXTERNAL_IMAGE,
+				ItemType.EXTERNAL_FILE, ItemType.EXTERNAL_PDF_FILE, ItemType.EXTERNAL_URL, ItemType.REPORT_TEMPLATE,
+				ItemType.REPORT, ItemType.CSV, ItemType.MOVIE, ItemType.ZIP, ItemType.RAR, ItemType.HTML, ItemType.XML,
+				ItemType.TEXT_PLAIN, ItemType.DOCUMENT, ItemType.PRESENTATION, ItemType.SPREADSHEET, ItemType.METADATA,
+				ItemType.PDF_DOCUMENT, ItemType.IMAGE_DOCUMENT, ItemType.URL_DOCUMENT, ItemType.GCUBE_ITEM,
+				ItemType.TIME_SERIES
+
+		);
+
+		WorkspaceExplorerSelectPanel selectDialog = new WorkspaceExplorerSelectPanel("Select the file...",
+				filterCriteria, selectableTypes);
+		selectDialog.setWidth("700px");
+		selectDialog.setHeight("370px");
+
+		WorskpaceExplorerSelectNotificationListener listener = new WorskpaceExplorerSelectNotificationListener() {
+
+			@Override
+			public void onSelectedItem(Item item) {
+				GWT.log("onSelectedItem: " + item);
+				selectedItem = item;
+			}
+
+			@Override
+			public void onFailed(Throwable throwable) {
+				GWT.log("onFailed..");
+
+			}
+
+			@Override
+			public void onAborted() {
+				GWT.log("onAborted..");
+
+			}
+
+			@Override
+			public void onNotValidSelection() {
+				GWT.log("onNotValidSelection..");
+
+			}
+		};
+
+		selectDialog.addWorkspaceExplorerSelectNotificationListener(listener);
+
+		panelContainer.add(selectDialog);
+	}
+
+	@UiHandler("okButton")
+	void onOKClick(ClickEvent e) {
+
+		if(selectedItem!=null) {
+			eventBus.fireEvent(new WorkspaceItemSelectedEvent(selectedItem));
+			dialogBox.hide();
+		}
+	}
+
+	@UiHandler("cancelButton")
+	void onCancelClick(ClickEvent e) {
+		dialogBox.hide();
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/resources/DialogWorkspaceExplorer.ui.xml

@@ -0,0 +1,24 @@
+<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">
+<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder"
+	xmlns:g="urn:import:com.google.gwt.user.client.ui"
+	xmlns:b="urn:import:com.github.gwtbootstrap.client.ui">
+	<ui:style>
+	.select_button {
+		margin: 5px;
+		float: right;
+	}
+	
+	.cancel_button {
+		margin: 5px;
+		margin-left: 10px;
+		float: right;
+	}
+	</ui:style>
+	<g:FlowPanel>
+		<g:FlowPanel ui:field="panelContainer"></g:FlowPanel>
+		<b:Button ui:field='cancelButton'
+			addStyleNames="{style.cancel_button}">Cancel</b:Button>
+		<b:Button ui:field='okButton' type='PRIMARY'
+			addStyleNames="{style.select_button}">Select</b:Button>
+	</g:FlowPanel>
+</ui:UiBinder> 

src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/server/CKANPublisherServicesImpl.java

@@ -31,6 +31,8 @@ import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanLicense;
 import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanOrganization;
 import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanResource;
 import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanTag;
+import org.gcube.portlets.user.uriresolvermanager.UriResolverManager;
+import org.gcube.portlets.user.uriresolvermanager.exception.UriResolverMapException;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.CKanPublisherService;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.server.utils.CatalogueRoleManager;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.server.utils.DiscoverTagsList;
@@ -387,8 +389,6 @@ public class CKANPublisherServicesImpl extends RemoteServiceServlet implements C
 		CkanOrganization ckanOrganization = dataset.getOrganization();
 
 		// UPDATED By Francesco
-//		String vreName = scope.substring(scope.lastIndexOf("/") + 1, scope.length());
-//		logger.debug("In dev mode using the scope: " + scope + " and VRE name: " + vreName);
 		final OrganizationBean ckanOrganizationBean = new OrganizationBean(ckanOrganization.getTitle(),
 				ckanOrganization.getName(), true);
 		bean.setOrganizationList(Arrays.asList(ckanOrganizationBean));
@@ -413,15 +413,6 @@ public class CKANPublisherServicesImpl extends RemoteServiceServlet implements C
 		// Vocabulary Tags from Generi Resources
 		bean.setTagsVocabulary(discoverTagsVocabulary(scopePerCurrentUrl));
 
-		// By default setting the root folder ID for updating the Resources on the
-		// client-side
-		// TODO LOAD THE WORKSPACE ROOT
-		/*
-		 * Workspace workspace = getWorkspaceFromStorageHub();
-		 * WorkspaceUtils.toWorkspaceResource(workspace.getRoot().getId(), userName,
-		 * bean, workspace);
-		 */
-
 		// Settings the CKAN resources
 		List<CkanResource> resources = dataset.getResources();
 		if (resources != null) {
@@ -1091,7 +1082,7 @@ public class CKANPublisherServicesImpl extends RemoteServiceServlet implements C
 			logger.warn("Dev mode detected");
 			toReturn = Arrays.asList();
 		}
-		
+
 		logger.info("Returning user's groups: " + toReturn);
 		return toReturn;
 	}
@@ -1274,6 +1265,41 @@ public class CKANPublisherServicesImpl extends RemoteServiceServlet implements C
 
 	}
 
+	/**
+	 * Gets the public link for file item id.
+	 *
+	 * @param itemId the item id
+	 * @param shortenUrl the shorten url
+	 * @return the public link for file item id
+	 * @throws Exception the exception
+	 */
+	@Override
+	public String getPublicLinkForFileItemId(String itemId, boolean shortenUrl) throws Exception {
+		logger.debug("get Public Link For ItemId: " + itemId);
+		//String scopePerCurrentUrl = GenericUtils.getScopeFromClientUrl(getThreadLocalRequest());
+		String theLink = null;
+		try {
+			GenericUtils.getCurrentContext(getThreadLocalRequest(), true);
+			UriResolverManager resolver = new UriResolverManager("SHUB");
+			Map<String, String> params = new HashMap<String, String>();
+			params.put("id", itemId);
+			theLink = resolver.getLink(params, true);
+			logger.info("Returning public link: "+theLink);
+		} catch (UriResolverMapException e) {
+			logger.error("UriResolverMapException", e);
+			throw new Exception("Sorry an error occurred on getting the link " + e.getMessage());
+		} catch (IllegalArgumentException e) {
+			logger.error("Failed to check the user's role", e);
+			throw new Exception("Sorry an error occurred on getting the link " + e.getMessage());
+		} catch (Exception e) {
+			logger.error("Failed to check the user's role", e);
+			throw new Exception("Sorry an error occurred on getting the link " + e.getMessage());
+		} 
+		
+		return theLink;
+
+	}
+
 	/**
 	 * Gets the reserverd system fields.
 	 *