src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CheckConfigsUxController.java

@@ -0,0 +1,168 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.MainPanel;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTable.DISPLAY_FIELD;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.LoadingPanel;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.UtilUx;
+
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.Command;
+import com.google.gwt.user.client.ui.ComplexPanel;
+import com.google.gwt.user.client.ui.HTML;
+
+/**
+ * The Class CheckConfigsUxController.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 8, 2022
+ */
+public class CheckConfigsUxController {
+
+	private LoadingPanel loader;
+
+	private CkanContentModeratorCheckConfigs moderatorCheckConfig;
+
+	private ComplexPanel basePanelContainer;
+
+	private CkanContentModeratorWidgetController cmsController;
+
+	private MainPanel mainPanel;
+
+	/**
+	 * Instantiates a new check configs ux controller.
+	 *
+	 * @param baseCP               the base CP
+	 * @param moderatorCheckConfig the moderatorcheck config
+	 */
+	protected CheckConfigsUxController(MainPanel mainPanel, CkanContentModeratorCheckConfigs moderatorcheckConfig) {
+		this.mainPanel = mainPanel;
+		this.basePanelContainer = mainPanel.getMainPanelContainer();
+		this.moderatorCheckConfig = moderatorcheckConfig;
+		checkConfigs();
+	}
+
+	/**
+	 * Check configs.
+	 */
+	private void checkConfigs() {
+
+		if (moderatorCheckConfig == null) {
+			// here the moderatorCheckConfig is null, so loading configurations from server
+			// and
+			// checking them
+			loader = new LoadingPanel(new HTML("Checking configurations and authorizations... please wait"));
+			basePanelContainer.add(loader);
+			moderatorCheckConfig = new CkanContentModeratorCheckConfigs();
+
+			final Command whenDone = new Command() {
+
+				@Override
+				public void execute() {
+					onConfigurationsLoaded();
+				}
+			};
+
+			try {
+				moderatorCheckConfig.checkConfigs(whenDone, false);
+			} catch (Exception e) {
+				GWT.log("Check configs error: " + e.getMessage());
+			}
+		} else {
+			// here the moderatorCheckConfig is already full
+			onConfigurationsLoaded();
+		}
+	}
+
+	/**
+	 * On configurations loaded.
+	 */
+	private void onConfigurationsLoaded() {
+		GWT.log("onConfigurationLoaded executed");
+		boolean isContentModerationEnabled = false;
+		boolean isModeratorRoleAssingned = false;
+		boolean isExistsMyItemInModeration = false;
+
+		try {
+			isContentModerationEnabled = moderatorCheckConfig.isContentModerationEnabled();
+		} catch (Exception e) {
+			GWT.log("Command - Check configs error: " + e.getMessage());
+		}
+
+		try {
+			isModeratorRoleAssingned = moderatorCheckConfig.isModeratorRoleAssigned();
+		} catch (Exception e) {
+			GWT.log("Command - Check configs error: " + e.getMessage());
+		}
+		try {
+			isExistsMyItemInModeration = moderatorCheckConfig.isExistsMyItemInModeration();
+		} catch (Exception e) {
+			GWT.log("Command - Check configs error: " + e.getMessage());
+		}
+
+		GWT.log("Moderation is enabled? " + isContentModerationEnabled);
+		GWT.log("Moderator role is assigned? " + isModeratorRoleAssingned);
+		GWT.log("isExistsMyItemInModeration? " + isExistsMyItemInModeration);
+
+		if (!isContentModerationEnabled) {
+			try {
+				basePanelContainer.remove(loader);
+			} catch (Exception e) {
+			}
+			UtilUx.showAlert("The Moderation facility is not enabled in this context", AlertType.WARNING, false,
+					basePanelContainer, null);
+			return;
+		}
+
+		// moderator logged in
+		if (isModeratorRoleAssingned) {
+			try {
+				basePanelContainer.remove(loader);
+			} catch (Exception e) {
+			}
+			cmsController = new CkanContentModeratorWidgetController(ItemStatus.PENDING, DISPLAY_FIELD.values(),
+					DISPLAY_FIELD.NAME, false, false);
+			basePanelContainer.add(cmsController.getMainPanel());
+
+			mainPanel.setLoggedLabelText("Logged in as Moderator");
+			return;
+		}
+
+		// no item under moderation or already moderated
+		if (!isExistsMyItemInModeration) {
+			try {
+				basePanelContainer.remove(loader);
+			} catch (Exception e) {
+			}
+			UtilUx.showAlert("You are not authorized to access to Moderation facility", AlertType.WARNING, false,
+					basePanelContainer, null);
+			return;
+		}
+
+		try {
+			basePanelContainer.remove(loader);
+		} catch (Exception e) {
+		}
+
+		// read only mode enabled in case of moderator role not assigned
+		boolean readOnlyMode = !isModeratorRoleAssingned;
+		// Listing only data belonging to user logged in. He/She must be the owner of.
+		boolean restrictDataToLoggedInUser = readOnlyMode;
+		
+		GWT.log("readOnlyMode is enabled? " + readOnlyMode);
+		GWT.log("restrictDataToLoggedInUser is? " + restrictDataToLoggedInUser);
+
+		cmsController = new CkanContentModeratorWidgetController(ItemStatus.PENDING, DISPLAY_FIELD.values(),
+				DISPLAY_FIELD.NAME, readOnlyMode, restrictDataToLoggedInUser);
+
+		basePanelContainer.add(cmsController.getMainPanel());
+
+	}
+
+	public CkanContentModeratorCheckConfigs getModeratorCheckConfig() {
+		return moderatorCheckConfig;
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorCheckConfigs.java

@@ -6,13 +6,13 @@ import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
 /**
- * The Class CkanContentModeratorCheckConfig.
+ * The Class CkanContentModeratorCheckConfigs.
  *
  * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
  * 
- *         Feb 22, 2022
+ *         Apr 8, 2022
  */
-public class CkanContentModeratorCheckConfig {
+public class CkanContentModeratorCheckConfigs {
 
 	private int configurationLoaded = 0;
 	private static final int CONFIGURATION_EXPECTED = 3;
@@ -25,7 +25,7 @@ public class CkanContentModeratorCheckConfig {
 	/**
 	 * Instantiates a new ckan content moderator check config.
 	 */
-	public CkanContentModeratorCheckConfig() {
+	public CkanContentModeratorCheckConfigs() {
 
 	}
 

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorWidget.java

@@ -1,35 +1,58 @@
 package org.gcube.portlets.widgets.ckancontentmoderator.client;
 
-import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
-import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTable.DISPLAY_FIELD;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.MainPanel;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.ExtModal;
 
-import com.google.gwt.core.client.GWT;
-import com.google.gwt.user.client.ui.ComplexPanel;
+import com.github.gwtbootstrap.client.ui.Modal;
+import com.google.gwt.user.client.ui.Composite;
 
 /**
  * The Class CkanContentModeratorWidget.
  *
  * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
  * 
- *         Jun 15, 2021
+ *         Apr 7, 2022
  */
 public class CkanContentModeratorWidget {
 
-	private CkanContentModeratorWidgetController cmsController;
+	// private VerticalPanel baseVP = new VerticalPanel();
+
+	private MainPanel mainPanel = new MainPanel();
+
+	private CheckConfigsUxController ccux;
 
 	/**
 	 * Instantiates a new ckan content moderator widget.
-	 *
-	 * @param status        the status
-	 * @param displayFields the display fields
-	 * @param sortByField   the sort by field
-	 * @param readOnlyMode the read only mode is true if the Moderator Role is not assigned
-	 * @param restrictDataToLoggedInUser the restrict data to logged in user
 	 */
-	public CkanContentModeratorWidget(ItemStatus status, DISPLAY_FIELD[] displayFields, DISPLAY_FIELD sortByField, boolean readOnlyMode, boolean restrictDataToLoggedInUser) {
-		GWT.log("CkanContentModeratorWidget called. ReadOnlyMode: "+readOnlyMode);
-		cmsController = new CkanContentModeratorWidgetController(status, displayFields, sortByField, readOnlyMode, restrictDataToLoggedInUser);
+	public CkanContentModeratorWidget() {
+		mainPanel.setWidth("100%");
+		ccux = new CheckConfigsUxController(mainPanel, null);
 
+		boolean iamModerator = false;
+		try {
+			iamModerator = ccux.getModeratorCheckConfig().isModeratorRoleAssigned();
+		} catch (Exception e) {
+
+		}
+
+		if (iamModerator) {
+			mainPanel.setLoggedLabelText("Logged in as Moderator");
+		}
+	}
+
+	/**
+	 * Show as modal.
+	 */
+	public void showAsModal(String modalTitle) {
+		final Modal modal = new ExtModal(true, true);
+		modalTitle = modalTitle == null || modalTitle.isEmpty() ? "Manage Items" : modalTitle;
+		modal.setTitle(modalTitle);
+		modal.setWidth(1200);
+		modal.getElement().addClassName("modal-content-moderator");
+		// modal.getElement().getStyle().setProperty("min-height", "500px");
+		modal.add(mainPanel);
+		modal.setCloseVisible(true);
+		modal.show();
 	}
 
 	/**
@@ -37,8 +60,11 @@ public class CkanContentModeratorWidget {
 	 *
 	 * @return the panel
 	 */
-	public ComplexPanel getPanel() {
-		return cmsController.getMainPanel();
+	public Composite getPanel() {
+		return mainPanel;
 	}
 
+	public CkanContentModeratorCheckConfigs getCongifs() {
+		return ccux.getModeratorCheckConfig();
+	}
 }

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorWidgetController.java

@@ -26,13 +26,11 @@ import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.ContentModerato
 import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.HomeView;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.MainTabPanel;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTable.DISPLAY_FIELD;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.UtilUx;
 import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
 
-import com.github.gwtbootstrap.client.ui.Alert;
-import com.github.gwtbootstrap.client.ui.constants.AlertType;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.shared.HandlerManager;
-import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.ui.ComplexPanel;
 import com.google.gwt.user.client.ui.FlowPanel;
 
@@ -64,30 +62,27 @@ public class CkanContentModeratorWidgetController {
 	/**
 	 * Instantiates a new ckan content moderator widget.
 	 *
-	 * @param status        the status
-	 * @param displayFields the display fields
-	 * @param sortByField   the sort by field
-	 * @param readOnlyMode the read only mode
-	 * @param restrictDataToLoggedInUser 
+	 * @param status                     the status
+	 * @param displayFields              the display fields
+	 * @param sortByField                the sort by field
+	 * @param readOnlyMode               the read only mode
+	 * @param restrictDataToLoggedInUser
 	 */
-	public CkanContentModeratorWidgetController(ItemStatus status, DISPLAY_FIELD[] displayFields,
+	protected CkanContentModeratorWidgetController(ItemStatus status, DISPLAY_FIELD[] displayFields,
 			DISPLAY_FIELD sortByField, boolean readOnlyMode, boolean restrictDataToLoggedInUser) {
 		toolbar = new ContentModeratorToolbar(eventBus, status);
-		
+
 //		GWT.log("***************** HARD CODED READONLY ********************** ");
 //		readOnlyMode = true;
 //		restrictDataToLoggedInUser = readOnlyMode;
-		
+
 		howeView = new HomeView(eventBus, status, displayFields, sortByField, readOnlyMode, restrictDataToLoggedInUser);
 		mainTabPanel.addHomeWidget(howeView.getPanel());
 		mainPanel.add(toolbar);
 		mainPanel.add(infoPanel);
 		mainPanel.add(mainTabPanel);
 		this.readOnlyMode = readOnlyMode;
-		
-		
-	
-		
+
 		howeView.hideUpdateStatusAction(readOnlyMode);
 		howeView.hideSelectableRow(readOnlyMode);
 		bindEvents();
@@ -200,7 +195,8 @@ public class CkanContentModeratorWidgetController {
 				}
 
 				if (statusSelectedEvent.getDisplayMessage() != null) {
-					showMessage(statusSelectedEvent.getDisplayMessage(), statusSelectedEvent.getAlertType());
+					UtilUx.showAlert(statusSelectedEvent.getDisplayMessage(), statusSelectedEvent.getAlertType(), true,
+							infoPanel, 15000);
 				}
 
 			}
@@ -212,7 +208,7 @@ public class CkanContentModeratorWidgetController {
 			public void onShowMessage(ShowMessageEvent showMessageEvent) {
 
 				if (showMessageEvent.getMsg() != null) {
-					showMessage(showMessageEvent.getMsg(), showMessageEvent.getAlerType());
+					UtilUx.showAlert(showMessageEvent.getMsg(), showMessageEvent.getAlerType(), true, infoPanel, 15000);
 
 				}
 			}
@@ -230,33 +226,6 @@ public class CkanContentModeratorWidgetController {
 		}
 	}
 
-	/**
-	 * Show message.
-	 *
-	 * @param msg the msg
-	 * @param alertType the alert type
-	 */
-	private void showMessage(String msg, AlertType alertType) {
-
-		final Alert alert = new Alert(msg);
-		alertType = alertType != null ? alertType : AlertType.INFO;
-		alert.setType(alertType);
-		alert.setClose(true);
-		alert.setAnimation(true);
-		infoPanel.add(alert);
-
-		// Cleans the info panel after 12 sec.
-		Timer t = new Timer() {
-
-			@Override
-			public void run() {
-				infoPanel.clear();
-			}
-		};
-
-		t.schedule(15000);
-	}
-
 	/**
 	 * Gets the main panel.
 	 *

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorWidgetTrusted.java

@@ -0,0 +1,76 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.MainPanel;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTable.DISPLAY_FIELD;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.ExtModal;
+
+import com.github.gwtbootstrap.client.ui.Modal;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.ui.Composite;
+
+/**
+ * The Class CkanContentModeratorWidget.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 15, 2021
+ */
+public class CkanContentModeratorWidgetTrusted {
+
+	private MainPanel mainPanel = new MainPanel();
+
+	private CheckConfigsUxController ccux;
+
+	/**
+	 * Instantiates a new ckan content moderator widget trusted.
+	 *
+	 * @param status                          the status
+	 * @param displayFields                   the display fields
+	 * @param sortByField                     the sort by field
+	 * @param ckanContentModeratorCheckConfig the ckan content moderator check
+	 *                                        config
+	 */
+	public CkanContentModeratorWidgetTrusted(ItemStatus status, DISPLAY_FIELD[] displayFields,
+			DISPLAY_FIELD sortByField, CkanContentModeratorCheckConfigs ckanContentModeratorCheckConfig) {
+		GWT.log("CkanContentModeratorWidget called. CkanContentModeratorCheckConfigs: "
+				+ ckanContentModeratorCheckConfig);
+		mainPanel.setWidth("100%");
+		ccux = new CheckConfigsUxController(mainPanel, ckanContentModeratorCheckConfig);
+	}
+
+	/**
+	 * Show as modal.
+	 *
+	 * @param modalTitle the modal title
+	 */
+	public void showAsModal(String modalTitle) {
+		final Modal modal = new ExtModal(true, true);
+		modalTitle = modalTitle == null || modalTitle.isEmpty() ? "Manage Items" : modalTitle;
+		modal.setTitle(modalTitle);
+		modal.setWidth(1200);
+		modal.getElement().addClassName("modal-content-moderator");
+		// modal.getElement().getStyle().setProperty("min-height", "500px");
+		modal.add(mainPanel);
+		modal.setCloseVisible(true);
+		modal.show();
+	}
+
+	/**
+	 * Gets the panel.
+	 *
+	 * @return the panel
+	 */
+	public Composite getPanel() {
+		return mainPanel;
+	}
+
+	/**
+	 * Gets the configs.
+	 *
+	 * @return the configs
+	 */
+	public CkanContentModeratorCheckConfigs getConfigs() {
+		return ccux.getModeratorCheckConfig();
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/ui/ContentModeratorPaginatedView.java

@@ -1,5 +1,6 @@
 package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
@@ -60,10 +61,10 @@ public class ContentModeratorPaginatedView {
 	/**
 	 * Instantiates a new content moderator paginated view.
 	 *
-	 * @param eventbus      the eventbus
-	 * @param theStatus     the the status
-	 * @param displayFields the display fields
-	 * @param sortByField   the sort by field
+	 * @param eventbus                   the eventbus
+	 * @param theStatus                  the the status
+	 * @param displayFields              the display fields
+	 * @param sortByField                the sort by field
 	 * @param restrictDataToLoggedInUser the restrict data to logged in user
 	 */
 	public ContentModeratorPaginatedView(HandlerManager eventbus, ItemStatus theStatus, DISPLAY_FIELD[] displayFields,
@@ -208,6 +209,20 @@ public class ContentModeratorPaginatedView {
 		getAsycnDataProvider().updateRowCount((int) result.getTotalItems(), true);
 		getAsycnDataProvider().updateRowData(result.getClientStartIndex(), result.getData());
 
+		/*
+		 * MOCK-UP int total = 35; List<CatalogueDataset> listData = new
+		 * ArrayList<CatalogueDataset>(35); for (int i = 0; i < total; i++) {
+		 * CatalogueDataset cd = new CatalogueDataset(); cd.setId(i+"");
+		 * cd.setName("name "+i);
+		 * 
+		 * listData.add(cd);
+		 * 
+		 * }
+		 * 
+		 * getAsycnDataProvider().updateRowCount(total, true);
+		 * getAsycnDataProvider().updateRowData(result.getClientStartIndex(), listData);
+		 */
+
 		if (result.getData().size() == 0) {
 			getCellTable().setLoadingIndicator(new Label("No data"));
 		} else {

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/ui/MainPanel.java

@@ -0,0 +1,40 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import com.github.gwtbootstrap.client.ui.Label;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.HTMLPanel;
+import com.google.gwt.user.client.ui.Widget;
+
+public class MainPanel extends Composite {
+
+	private static MainPanelUiBinder uiBinder = GWT.create(MainPanelUiBinder.class);
+
+	interface MainPanelUiBinder extends UiBinder<Widget, MainPanel> {
+	}
+	
+	@UiField
+	HTMLPanel mainPanel;
+	
+	@UiField
+	HTMLPanel mainPanelContainer;
+	
+	@UiField
+	Label labelLoggedIn;
+
+	public MainPanel() {
+		initWidget(uiBinder.createAndBindUi(this));
+	}
+	
+	public void setLoggedLabelText(String text){
+		labelLoggedIn.setText(text);
+	}
+	
+	public HTMLPanel getMainPanelContainer() {
+		return mainPanelContainer;
+	}
+
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/ui/MainPanel.ui.xml

@@ -0,0 +1,19 @@
+<!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>
+	.important {
+		font-weight: bold;
+	}
+	
+	.margin-bottom-2 {
+		margin-bottom: 2px;
+	}
+	</ui:style>
+	<g:HTMLPanel ui:field="mainPanel">
+		<b:Label ui:field="labelLoggedIn"
+			addStyleNames="{style.margin-bottom-2}"></b:Label>
+		<g:HTMLPanel ui:field="mainPanelContainer"></g:HTMLPanel>
+	</g:HTMLPanel>
+</ui:UiBinder> 

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/ui/util/ExtModal.java

@@ -0,0 +1,133 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util;
+
+import com.github.gwtbootstrap.client.ui.Modal;
+import com.github.gwtbootstrap.client.ui.event.HideEvent;
+import com.github.gwtbootstrap.client.ui.event.HideHandler;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.core.client.Scheduler;
+import com.google.gwt.core.client.Scheduler.ScheduledCommand;
+import com.google.gwt.dom.client.Element;
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.Event;
+import com.google.gwt.user.client.EventListener;
+import com.google.gwt.user.client.Random;
+
+/**
+ * The Class ExtModal.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 29, 2021
+ * 
+ *         This Class extends the {{@link Modal} preventing the default close of
+ *         the Modal Bootstrap when clicking outside of the modal Window
+ */
+public class ExtModal extends Modal {
+
+	private String elementId;
+	private String closeElementId;
+	private Boolean closeButtoClicked = false;
+	final private ExtModal INSTANCE = this;
+
+	/**
+	 * Instantiates a new ext modal.
+	 */
+	public ExtModal() {
+		super();
+		setElementIds();
+		addDeferredCommandToPreventModalClose();
+	}
+
+	/**
+	 * Creates an empty, hidden widget with specified show behavior.
+	 *
+	 * @param animated <code>true</code> if the widget should be animated.
+	 */
+	public ExtModal(boolean animated) {
+		super(animated, false);
+		setElementIds();
+		addDeferredCommandToPreventModalClose();
+	}
+
+	/**
+	 * Creates an empty, hidden widget with specified show behavior.
+	 *
+	 * @param animated    <code>true</code> if the widget should be animated.
+	 * @param dynamicSafe <code>true</code> removes from RootPanel when hidden
+	 */
+	public ExtModal(boolean animated, boolean dynamicSafe) {
+		super(animated, dynamicSafe);
+		setElementIds();
+		addDeferredCommandToPreventModalClose();
+	}
+
+	private void addDeferredCommandToPreventModalClose() {
+		Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+
+			@Override
+			public void execute() {
+				((Element) INSTANCE.getElement().getChildNodes().getItem(0)).getFirstChildElement()
+						.setId(closeElementId);
+				preventModalCloseWhenClickingOutside();
+
+			}
+		});
+
+	}
+
+	/**
+	 * Sets the element id.
+	 */
+	private void setElementIds() {
+		this.elementId = "my-modal-publish-meta" + Random.nextInt();
+		this.getElement().setId(elementId);
+
+		this.closeElementId = "my-modal-close-button" + Random.nextInt();
+	}
+
+	/**
+	 * Prevent modal close when clicking outside.
+	 */
+	private void preventModalCloseWhenClickingOutside() {
+
+		com.google.gwt.user.client.Element buttonCloseElement = DOM.getElementById(this.closeElementId);
+
+		if (buttonCloseElement != null) {
+
+			Event.sinkEvents(buttonCloseElement, Event.ONCLICK);
+			Event.setEventListener(buttonCloseElement, new EventListener() {
+
+				@Override
+				public void onBrowserEvent(Event event) {
+					System.out.println("ok");
+					if (Event.ONCLICK == event.getTypeInt()) {
+						GWT.log("close event clicked");
+						closeButtoClicked = true;
+					}
+
+				}
+			});
+		} else {
+			GWT.log("button close element not found");
+			closeButtoClicked = true;
+		}
+
+		// hide any popup panel opened
+		this.addHideHandler(new HideHandler() {
+
+			@Override
+			public void onHide(HideEvent hideEvent) {
+				GWT.log("HideEvent on modal fired");
+				GWT.log(hideEvent.toDebugString());
+				GWT.log("CloseButtonClicked is: " + closeButtoClicked);
+
+				if (!closeButtoClicked) {
+					hideEvent.preventDefault();
+					hideEvent.stopPropagation();
+				}
+			}
+		});
+
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/ui/util/UtilUx.java

@@ -0,0 +1,43 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util;
+
+import com.github.gwtbootstrap.client.ui.Alert;
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
+import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.ui.Panel;
+
+public class UtilUx {
+
+	/**
+	 * Show message.
+	 *
+	 * @param msg              the msg
+	 * @param alertType        the alert type
+	 * @param closable the closable
+	 * @param addToPanel       the add to panel
+	 * @param scheduleTimerMls the schedule timer mls
+	 */
+	public static void showAlert(String msg, AlertType alertType, boolean closable, final Panel addToPanel, final Integer scheduleTimerMls) {
+
+		final Alert alert = new Alert(msg);
+		alertType = alertType != null ? alertType : AlertType.INFO;
+		alert.setType(alertType);
+		alert.setClose(closable);
+		alert.setAnimation(true);
+		addToPanel.add(alert);
+
+		if (scheduleTimerMls != null) {
+
+			// Cleans the info panel after 12 sec.
+			Timer t = new Timer() {
+
+				@Override
+				public void run() {
+					addToPanel.clear();
+				}
+			};
+
+			t.schedule(scheduleTimerMls);
+		}
+	}
+
+}