Added optional message on approving action.

closable tabs

.classpath

@@ -11,17 +11,9 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
-		<attributes>
-			<attribute name="optional" value="true"/>
-			<attribute name="maven.pomderived" value="true"/>
-			<attribute name="test" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
-			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
@@ -29,10 +21,19 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+	<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
 		<attributes>
+			<attribute name="test" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="test" value="true"/>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="lib" path="/home/francescomangiacrapa/.m2/repository/javax/servlet/javax.servlet-api/3.1.0/javax.servlet-api-3.1.0.jar"/>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>

.settings/com.gwtplugins.gdt.eclipse.core.prefs

@@ -1,4 +1,4 @@
 eclipse.preferences.version=1
-lastWarOutDir=/home/francescomangiacrapa/eclipse-workspace/ckan-content-moderator-widget/target/ckan-content-moderator-widget-0.0.1-SNAPSHOT
+lastWarOutDir=/home/francescomangiacrapa/git/ckan-content-moderator-widget/target/ckan-content-moderator-widget-0.1.0-SNAPSHOT
 warSrcDir=src/main/webapp
 warSrcDirIsOutput=false

.settings/com.gwtplugins.gwt.eclipse.core.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+entryPointModules=

.settings/org.eclipse.jdt.core.prefs

@@ -1,11 +1,16 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
 org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8

.settings/org.eclipse.wst.common.component

@@ -1,11 +1,54 @@
 <?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
-    <wb-module deploy-name="ckan-content-moderator-widget-0.0.1-SNAPSHOT">
+                    
+    
+    
+    
+    <wb-module deploy-name="ckan-content-moderator-widget-0.1.0-SNAPSHOT">
+                                        
+        
+        
+        
         <wb-resource deploy-path="/" source-path="/target/m2e-wtp/web-resources"/>
+                                        
+        
+        
+        
         <wb-resource deploy-path="/" source-path="/src/main/webapp" tag="defaultRootSource"/>
+                                        
+        
+        
+        
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
+                                        
+        
+        
+        
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/target/generated-sources/gwt"/>
+                                        
+        
+        
+        
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
+        <dependent-module archiveName="catalogue-util-library-1.1.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/catalogue-util-library/catalogue-util-library">
+            <dependency-type>uses</dependency-type>
+        </dependent-module>
+                                        
+        
+        
+        
         <property name="context-root" value="ckan-content-moderator-widget"/>
-        <property name="java-output-path" value="/ckan-content-moderator-widget/target/ckan-content-moderator-widget-0.0.1-SNAPSHOT/WEB-INF/classes"/>
+                                        
+        
+        
+        
+        <property name="java-output-path" value="/ckan-content-moderator-widget/target/ckan-content-moderator-widget-0.1.0-SNAPSHOT/WEB-INF/classes"/>
+                                    
+    
+    
+    
     </wb-module>
+                
+
+
+
 </project-modules>

.settings/org.eclipse.wst.common.project.facet.core.prefs.xml

@@ -0,0 +1,7 @@
+<root>
+  <facet id="jst.jaxrs">
+    <node name="libprov">
+      <attribute name="provider-id" value="jaxrs-no-op-library-provider"/>
+    </node>
+  </facet>
+</root>

.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <faceted-project>
   <fixed facet="wst.jsdt.web"/>
-  <installed facet="java" version="1.8"/>
   <installed facet="jst.web" version="2.3"/>
   <installed facet="com.gwtplugins.gwt.facet" version="1.0"/>
   <installed facet="wst.jsdt.web" version="1.0"/>
+  <installed facet="java" version="1.8"/>
+  <installed facet="jst.jaxrs" version="2.0"/>
 </faceted-project>

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
-## [v1.0.0] - 2021-05-06
+## [v1.0.0-SNAPSHOT] - 2022-04-04
 
-First Release
+- [#21363] Implemented the ckan-content-moderator-widget
+- [#20650] Provided moderator skills to Catalogue Moderator(s)
+- [#23108] Provided Moderation facility accessible to Catalogue Editor/Admin (only) in read only mode
+- [#23197] Revised the query passed to gCat with the moderation states
+- [#23258] Implemented the requirement described in #23156

pom.xml

@@ -14,7 +14,7 @@
 	<groupId>org.gcube.portlets.widgets</groupId>
 	<artifactId>ckan-content-moderator-widget</artifactId>
 	<packaging>jar</packaging>
-	<version>0.0.1-SNAPSHOT</version>
+	<version>1.0.0-SNAPSHOT</version>
 	<name>gCube Ckan Content Moderator Widget</name>
 
 	<description>
@@ -30,12 +30,11 @@
 
 	<properties>
 		<!-- Convenience property to set the GWT version -->
-		<gwtVersion>2.7.0</gwtVersion>
+		<gwtVersion>2.9.0</gwtVersion>
-		<!-- <webappDirectory>${project.build.directory}/${project.build.finalName}</webappDirectory> -->
 		<distroDirectory>distro</distroDirectory>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<maven.compiler.source>1.7</maven.compiler.source>
+		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
 	</properties>
 
@@ -44,48 +43,123 @@
 			<dependency>
 				<groupId>org.gcube.distribution</groupId>
 				<artifactId>maven-portal-bom</artifactId>
-				<version>3.6.1-SNAPSHOT</version>
+				<version>3.6.3-SNAPSHOT</version>
-				<type>pom</type>
-				<scope>import</scope>
-			</dependency>
-			<dependency>
-				<groupId>com.google.gwt</groupId>
-				<artifactId>gwt</artifactId>
-				<version>${gwtVersion}</version>
 				<type>pom</type>
 				<scope>import</scope>
+				<exclusions>
+					<exclusion>
+						<groupId>com.google.gwt</groupId>
+						<artifactId>gwt-user</artifactId>
+					</exclusion>
+					<exclusion>
+						<groupId>com.google.gwt</groupId>
+						<artifactId>gwt-servlet</artifactId>
+					</exclusion>
+					<exclusion>
+						<groupId>com.google.gwt</groupId>
+						<artifactId>gwt-dev</artifactId>
+					</exclusion>
+				</exclusions>
 			</dependency>
 		</dependencies>
 	</dependencyManagement>
 
 	<dependencies>
+
+		<!-- needed to compile/run in devMode with gwt > 2.7 -->
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>javax.servlet-api</artifactId>
+			<version>3.1.0</version>
+			<scope>provided</scope>
+		</dependency>
+
+		<!-- needed to compile/run in devMode with gwt > 2.7 -->
+		<dependency>
+			<groupId>xml-apis</groupId>
+			<artifactId>xml-apis</artifactId>
+			<version>1.4.01</version>
+			<scope>provided</scope>
+		</dependency>
+
 		<dependency>
 			<groupId>com.google.gwt</groupId>
 			<artifactId>gwt-user</artifactId>
 			<version>${gwtVersion}</version>
 			<scope>provided</scope>
 		</dependency>
+		<dependency>
+			<groupId>com.google.gwt</groupId>
+			<artifactId>gwt-servlet</artifactId>
+			<version>${gwtVersion}</version>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>com.google.gwt</groupId>
+			<artifactId>gwt-dev</artifactId>
+			<version>${gwtVersion}</version>
+			<scope>provided</scope>
+		</dependency>
 		<dependency>
 			<groupId>com.github.gwtbootstrap</groupId>
 			<artifactId>gwt-bootstrap</artifactId>
 			<version>2.3.2.0</version>
 		</dependency>
+
+		<dependency>
+			<groupId>org.gcube.core</groupId>
+			<artifactId>common-encryption</artifactId>
+		</dependency>
+
+		<!-- FWS -->
+		<dependency>
+			<groupId>org.gcube.resources.discovery</groupId>
+			<artifactId>ic-client</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.core</groupId>
+			<artifactId>common-scope-maps</artifactId>
+			<scope>compile</scope>
+		</dependency>
+
 		<dependency>
 			<groupId>org.gcube.datacatalogue</groupId>
 			<artifactId>catalogue-util-library</artifactId>
 			<version>[1.0.0-SNAPSHOT, 2.0.0)</version>
 			<scope>compile</scope>
 		</dependency>
+
+		<!-- PORTAL MANAGER -->
 		<dependency>
-			<groupId>org.slf4j</groupId>
+			<groupId>org.gcube.common.portal</groupId>
-			<artifactId>slf4j-log4j12</artifactId>
+			<artifactId>portal-manager</artifactId>
 			<scope>provided</scope>
 		</dependency>
+
+		<dependency>
+			<groupId>com.liferay.portal</groupId>
+			<artifactId>portal-service</artifactId>
+			<scope>provided</scope>
+		</dependency>
+
+		<!-- User Management Core -->
+		<dependency>
+			<groupId>org.gcube.dvos</groupId>
+			<artifactId>usermanagement-core</artifactId>
+			<scope>provided</scope>
+		</dependency>
+
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
-			<scope>provided</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-log4j12</artifactId>
+			<scope>test</scope>
+		</dependency>
+
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
@@ -95,8 +169,6 @@
 	</dependencies>
 
 	<build>
-		<!-- Generate compiled stuff in the folder used for developing mode -->
-		<!-- <outputDirectory>${webappDirectory}/WEB-INF/classes</outputDirectory> -->
 		<resources>
 			<resource>
 				<directory>src/main/java</directory>
@@ -107,13 +179,11 @@
 			<resource>
 				<directory>src/main/resources</directory>
 				<includes>
-					<include>**/*.*</include>
+					<include>**/*</include>
 				</includes>
 			</resource>
 		</resources>
-
 		<plugins>
-
 			<!-- GWT Maven Plugin -->
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
@@ -123,22 +193,18 @@
 					<execution>
 						<goals>
 							<goal>compile</goal>
-							<goal>test</goal>
+							<!-- <goal>run</goal> -->
 						</goals>
 					</execution>
 				</executions>
-				<!-- Plugin configuration. There are many available options, see gwt-maven-plugin 
-					documentation at codehaus.org -->
-				<configuration>
-					<runTarget>CkanContentModeratorWidget.html</runTarget>
-					<modules>
-						<module>org.gcube.portlets.widgets.ckancontentmoderator.CkanContentModeratorWidget</module>
-					</modules>
-				</configuration>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<source>${maven.compiler.source}</source>
+					<target>${maven.compiler.target}</target>
+				</configuration>
 			</plugin>
 			<!-- SA Plugin -->
 			<plugin>
@@ -159,6 +225,32 @@
 					</execution>
 				</executions>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-resources-plugin</artifactId>
+				<version>2.5</version>
+				<executions>
+					<execution>
+						<id>copy-profile</id>
+						<phase>install</phase>
+						<goals>
+							<goal>copy-resources</goal>
+						</goals>
+						<configuration>
+							<outputDirectory>target</outputDirectory>
+							<resources>
+								<resource>
+									<directory>${distroDirectory}</directory>
+									<filtering>true</filtering>
+									<includes>
+										<include>profile.xml</include>
+									</includes>
+								</resource>
+							</resources>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
 		</plugins>
 	</build>
 

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/CkanContentModeratorWidget.gwt.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module rename-to='CkanContentModeratorWidget'>
+	<!-- Inherit the core Web Toolkit stuff. -->
+	<inherits name='com.google.gwt.user.User' />
+
+	<inherits
+		name="org.gcube.datacatalogue.utillibrary.CkanUtilLibrary" />
+
+	<inherits name="com.github.gwtbootstrap.Bootstrap" />
+
+	<!-- Other module inherits -->
+
+	<!-- Specify the app entry point class. -->
+	<!-- <entry-point class='org.gcube.portlets.widgets.ckancontentmoderator.client.CkanContentModeratorWidget' 
+		/> -->
+
+	<!-- Specify the paths for translatable code -->
+	<source path='client' />
+	<source path='shared' />
+
+	<stylesheet src='content-moderator-widget.css' />
+
+</module>

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

@@ -0,0 +1,202 @@
+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.util.LoadingPanel;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.UtilUx;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
+
+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;
+
+	private DISPLAY_FIELD[] orderByFields;
+
+	private ItemStatus initItemStatus;
+
+	private DISPLAY_FIELD[] displayFields;
+
+	private String initOnItemName;
+
+	/**
+	 * Instantiates a new check configs ux controller.
+	 *
+	 * @param mainPanel            the main panel
+	 * @param initItemStatus       the init item status
+	 * @param initOnItemName
+	 * @param displayFields        the display fields
+	 * @param sortByFields         the sort by fields
+	 * @param moderatorcheckConfig the moderatorcheck config
+	 */
+	protected CheckConfigsUxController(MainPanel mainPanel, ItemStatus initItemStatus, String initOnItemName,
+			DISPLAY_FIELD[] displayFields, DISPLAY_FIELD[] sortByFields,
+			CkanContentModeratorCheckConfigs moderatorcheckConfig) {
+
+		this.mainPanel = mainPanel;
+		this.basePanelContainer = mainPanel.getMainPanelContainer();
+		this.moderatorCheckConfig = moderatorcheckConfig;
+		this.initItemStatus = initItemStatus;
+		this.initOnItemName = initOnItemName;
+		this.displayFields = displayFields;
+		this.orderByFields = sortByFields;
+
+		if (this.initItemStatus == null)
+			this.initItemStatus = ItemStatus.PENDING;
+
+		if (this.displayFields == null)
+			this.displayFields = DISPLAY_FIELD.values();
+
+		if (this.orderByFields == null)
+			this.orderByFields = DISPLAY_FIELD.values();
+
+		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(initItemStatus, initOnItemName, displayFields,
+					orderByFields, 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(initItemStatus, initOnItemName, displayFields,
+				orderByFields, readOnlyMode, restrictDataToLoggedInUser);
+
+		basePanelContainer.add(cmsController.getMainPanel());
+	}
+
+	/**
+	 * Gets the moderator check config.
+	 *
+	 * @return the moderator check config
+	 */
+	public CkanContentModeratorCheckConfigs getModeratorCheckConfig() {
+		return moderatorCheckConfig;
+	}
+
+}

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

@@ -0,0 +1,196 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.Command;
+import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+
+/**
+ * The Class CkanContentModeratorCheckConfigs.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 8, 2022
+ */
+public class CkanContentModeratorCheckConfigs {
+
+	private int configurationLoaded = 0;
+	private static final int CONFIGURATION_EXPECTED = 3;
+	private int MAX_RETRY_ON_LOADING_CONFIG = 50;
+	private int attemptLC = 0;
+	private Boolean contentModerationEnabled = null;
+	private Boolean moderatorRoleAssigned = null;
+	private Boolean existsMyItemInModeration = null;
+
+	/**
+	 * Instantiates a new ckan content moderator check config.
+	 */
+	public CkanContentModeratorCheckConfigs() {
+
+	}
+
+	/**
+	 * Check configs.
+	 *
+	 * @param whenDone         the when done
+	 * @param reloadGCatConfig the reload G cat config
+	 * @throws Exception the exception
+	 */
+	public void checkConfigs(final Command whenDone, boolean reloadGCatConfig) throws Exception {
+
+		configurationLoaded = 0;
+		attemptLC = 0;
+
+		CkanContentModeratorWidgetController.contentModeratorService.isModerationEnabled(reloadGCatConfig,
+				new AsyncCallback<Boolean>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+						contentModerationEnabled = false;
+						incrementConfigurationLoaded();
+
+					}
+
+					@Override
+					public void onSuccess(Boolean result) {
+						incrementConfigurationLoaded();
+						GWT.log("isContentModeratorEnabled: " + result);
+						contentModerationEnabled = result;
+					}
+				});
+
+		CkanContentModeratorWidgetController.contentModeratorService
+				.isModeratorRoleAssigned(new AsyncCallback<Boolean>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+						moderatorRoleAssigned = false;
+						incrementConfigurationLoaded();
+
+					}
+
+					@Override
+					public void onSuccess(Boolean result) {
+						incrementConfigurationLoaded();
+						GWT.log("isModeratorRoleAssigned: " + result);
+						moderatorRoleAssigned = result;
+
+					}
+				});
+
+		CkanContentModeratorWidgetController.contentModeratorService
+				.existsMyItemInModeration(new AsyncCallback<Boolean>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+						existsMyItemInModeration = false;
+						incrementConfigurationLoaded();
+
+					}
+
+					@Override
+					public void onSuccess(Boolean result) {
+						incrementConfigurationLoaded();
+						GWT.log("existsMyItemInModeration: " + result);
+						existsMyItemInModeration = result;
+
+					}
+				});
+
+		if (whenDone != null) {
+
+			final Timer timer = new Timer() {
+
+				@Override
+				public void run() {
+					attemptLC++;
+					GWT.log("checking configuration loaded, attempt " + attemptLC + " of "
+							+ MAX_RETRY_ON_LOADING_CONFIG);
+					boolean configsLoaded = getConfigurationLoaded() == CONFIGURATION_EXPECTED;
+					GWT.log("configsLoaded: " + configsLoaded);
+					if (configsLoaded) {
+						GWT.log("ContentModeratorCheckConfig loaded correclty");
+						whenDone.execute();
+						this.cancel();
+					}
+
+					if (attemptLC > MAX_RETRY_ON_LOADING_CONFIG) {
+						GWT.log("MAX_RETRY_ON_LOADING_CONFIG reached, timer cancelled");
+						this.cancel();
+					}
+
+				}
+			};
+
+			timer.scheduleRepeating(500);
+		}
+	}
+
+	/**
+	 * Increment configuration loaded.
+	 */
+	private void incrementConfigurationLoaded() {
+		configurationLoaded++;
+	}
+
+	/**
+	 * Decrement configuration loaded.
+	 */
+	private synchronized void decrementConfigurationLoaded() {
+		configurationLoaded--;
+	}
+
+	/**
+	 * Gets the configuration loaded.
+	 *
+	 * @return the configuration loaded
+	 */
+	private synchronized int getConfigurationLoaded() {
+		return configurationLoaded;
+	}
+
+	/**
+	 * Checks if is moderator role assigned.
+	 *
+	 * @return the boolean
+	 * @throws Exception the exception
+	 */
+	public Boolean isModeratorRoleAssigned() throws Exception {
+		if (moderatorRoleAssigned == null)
+			throw new Exception(
+					"Please, first check if the Moderator role is assigned in this context by calling checkContentModeratorConfiguration");
+
+		return moderatorRoleAssigned;
+	}
+
+	/**
+	 * Checks if is content moderation enabled.
+	 *
+	 * @return true, if is content moderation enabled
+	 * @throws Exception the exception
+	 */
+	public boolean isContentModerationEnabled() throws Exception {
+
+		if (contentModerationEnabled == null)
+			throw new Exception(
+					"Please, first check if the content moderation is enabled in this context by calling checkContentModeratorConfiguration");
+
+		return contentModerationEnabled;
+
+	}
+
+	/**
+	 * Checks if is exists my item in moderation.
+	 *
+	 * @return the boolean
+	 * @throws Exception the exception
+	 */
+	public Boolean isExistsMyItemInModeration() throws Exception {
+		if (existsMyItemInModeration == null)
+			throw new Exception(
+					"Please, first check if the content moderation is enabled in this context by calling checkContentModeratorConfiguration");
+
+		return existsMyItemInModeration;
+	}
+
+}

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

@@ -2,28 +2,135 @@ package org.gcube.portlets.widgets.ckancontentmoderator.client;
 
 import java.util.List;
 
-import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanDataset;
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
-import org.gcube.portlets.widgets.ckancontentmoderator.server.ContentModeratorSystem.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.ModerationUserRole;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.OperationReport;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.SearchedData;
 
 import com.google.gwt.user.client.rpc.RemoteService;
 import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;
 
 /**
- * The client side stub for the RPC service.
+ * The Interface CkanContentModeratorService.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jan 11, 2022
  */
-@RemoteServiceRelativePath("greet")
+@RemoteServiceRelativePath("ckanContentModeratorService")
 public interface CkanContentModeratorService extends RemoteService {
 
-	public boolean isContentModeratorEnabled();
+	/**
+	 * Sets the status. Currently, this only used to change the status from Rejected
+	 * to Pending
+	 *
+	 * @param theStatus the the status
+	 * @param itemNames the item names
+	 * @return the operation report
+	 * @throws Exception the exception
+	 */
+	public OperationReport setStatus(ItemStatus theStatus, List<String> itemNames) throws Exception;
 
-	public void setStatus(String itemId, ItemStatus theStatus);
+	/**
+	 * Reject item.
+	 *
+	 * @param itemNames         the item names
+	 * @param permanentlyDelete the permanently delete
+	 * @param reasonMsg         the reason msg
+	 * @return the operation report
+	 * @throws Exception the exception
+	 */
+	public OperationReport rejectItem(List<String> itemNames, boolean permanentlyDelete, String reasonMsg)
+			throws Exception;
 
-	public List<CkanDataset> getListItemsForStatus(ItemStatus theStatus);
+	/**
+	 * Permanently delete.
+	 *
+	 * @param itemNames the item names
+	 * @return the operation report
+	 * @throws Exception the exception
+	 */
+	public OperationReport permanentlyDelete(List<String> itemNames) throws Exception;
 
-	public void approveItem(String itemId);
+	/**
+	 * Gets the list items for status.
+	 *
+	 * @param theStatus                the the status
+	 * @param offset                   the offset
+	 * @param limit                    the limit
+	 * @param restrictedToLoggedInUser the restricted to logged in user
+	 * @param sortForField             the sort for field
+	 * @return the list items for status
+	 * @throws Exception the exception
+	 */
+	public List<CatalogueDataset> getListItemsForStatus(ItemStatus theStatus, int offset, int limit,
+			boolean restrictedToLoggedInUser, String sortForField) throws Exception;
 
-	public void rejectItem(String itemId, boolean permanentlyDelete, String reasonMsg);
+	/**
+	 * Gets the data for status.
+	 *
+	 * @param status                   the status
+	 * @param offset                   the offset
+	 * @param limit                    the limit
+	 * @param serverStartIndex         the server start index
+	 * @param restrictedToLoggedInUser the restricted to logged in user
+	 * @param sortForField             the sort for field
+	 * @return the data for status
+	 * @throws Exception the exception
+	 */
+	public SearchedData getDataForStatus(ItemStatus status, int offset, int limit, int serverStartIndex,
+			boolean restrictedToLoggedInUser, String sortForField) throws Exception;
 
-	public void permanentlyDelete(String itemId);
+	/**
+	 * Approve item.
+	 *
+	 * @param itemNames        the item names
+	 * @param moderatorMessage the moderator message
+	 * @return the operation report
+	 * @throws Exception the exception
+	 */
+	public OperationReport approveItem(List<String> itemNames, String moderatorMessage) throws Exception;
 
+	/**
+	 * Gets the CMS roles for user in the context.
+	 *
+	 * @return the CMS roles for user in the context
+	 * @throws Exception the exception
+	 */
+	public ModerationUserRole getCMSRolesForUserInTheContext() throws Exception;
+
+	/**
+	 * Checks if is moderation enabled.
+	 *
+	 * @param reloadConfig the reload config
+	 * @return the boolean
+	 */
+	public Boolean isModerationEnabled(boolean reloadConfig);
+
+	/**
+	 * Checks if is moderator role assigned.
+	 *
+	 * @return true, if is moderat@Override or role assigned
+	 * @throws Exception the exception
+	 */
+	public Boolean isModeratorRoleAssigned() throws Exception;
+
+	/**
+	 * Exists my item in moderation.
+	 *
+	 * @return true if the user has at least one item moderatorated or in
+	 *         moderation.
+	 * @throws Exception the exception
+	 */
+	public Boolean existsMyItemInModeration() throws Exception;
+
+	/**
+	 * Gets the item for name.
+	 *
+	 * @param itemName the item name
+	 * @return the item for name
+	 * @throws Exception the exception
+	 */
+	CatalogueDataset getItemForName(String itemName) throws Exception;
 }

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

@@ -2,23 +2,128 @@ package org.gcube.portlets.widgets.ckancontentmoderator.client;
 
 import java.util.List;
 
-import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanDataset;
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
-import org.gcube.portlets.widgets.ckancontentmoderator.server.ContentModeratorSystem.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.ModerationUserRole;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.OperationReport;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.SearchedData;
 
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
+/**
+ * The Interface CkanContentModeratorServiceAsync.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jan 11, 2022
+ */
 public interface CkanContentModeratorServiceAsync {
 
-	void isContentModeratorEnabled(AsyncCallback<Boolean> callback);
+	/**
+	 * Reject item.
+	 *
+	 * @param itemNames         the item names
+	 * @param permanentlyDelete the permanently delete
+	 * @param reasonMsg         the reason msg
+	 * @param callback          the callback
+	 */
+	void rejectItem(List<String> itemNames, boolean permanentlyDelete, String reasonMsg,
+			AsyncCallback<OperationReport> callback);
 
-	void approveItem(String itemId, AsyncCallback<Void> callback);
+	/**
+	 * Gets the list items for status.
+	 *
+	 * @param theStatus                the the status
+	 * @param offset                   the offset
+	 * @param limit                    the limit
+	 * @param restrictedToLoggedInUser the restricted to logged in user
+	 * @param sortForField             the sort for field
+	 * @param callback                 the callback
+	 * @return the list items for status
+	 */
+	void getListItemsForStatus(ItemStatus theStatus, int offset, int limit, boolean restrictedToLoggedInUser,
+			String sortForField, AsyncCallback<List<CatalogueDataset>> callback);
 
-	void getListItemsForStatus(ItemStatus theStatus, AsyncCallback<List<CkanDataset>> callback);
+	/**
+	 * Gets the data for status.
+	 *
+	 * @param status                   the status
+	 * @param offset                   the offset
+	 * @param limit                    the limit
+	 * @param serverStartIndex         the server start index
+	 * @param restrictedToLoggedInUser the restricted to logged in user
+	 * @param sortForField             the sort for field
+	 * @param asyncCallback            the async callback
+	 * @return the data for status
+	 */
+	void getDataForStatus(ItemStatus status, int offset, int limit, int serverStartIndex,
+			boolean restrictedToLoggedInUser, String sortForField, AsyncCallback<SearchedData> asyncCallback);
 
-	void permanentlyDelete(String itemId, AsyncCallback<Void> callback);
+	/**
+	 * Approve item.
+	 *
+	 * @param itemNames        the item names
+	 * @param moderatorMessage the moderator message
+	 * @param callback         the callback
+	 */
+	void approveItem(List<String> itemNames, String moderatorMessage, AsyncCallback<OperationReport> callback);
 
-	void rejectItem(String itemId, boolean permanentlyDelete, String reasonMsg, AsyncCallback<Void> callback);
+	/**
+	 * Permanently delete.
+	 *
+	 * @param itemNames the item names
+	 * @param callback  the callback
+	 */
+	void permanentlyDelete(List<String> itemNames, AsyncCallback<OperationReport> callback);
 
-	void setStatus(String itemId, ItemStatus theStatus, AsyncCallback<Void> callback);
+	/**
+	 * Sets the status.
+	 *
+	 * @param theStatus the the status
+	 * @param itemNames the item names
+	 * @param callback  the callback
+	 */
+	void setStatus(ItemStatus theStatus, List<String> itemNames, AsyncCallback<OperationReport> callback);
+
+	/**
+	 * Gets the CMS roles for user in the context.
+	 *
+	 * @param callback the callback
+	 * @return the CMS roles for user in the context
+	 */
+	void getCMSRolesForUserInTheContext(AsyncCallback<ModerationUserRole> callback);
+
+	/**
+	 * Checks if is moderation enabled.
+	 *
+	 * @param reloadConfig the reload config
+	 * @param callback     the callback
+	 */
+	void isModerationEnabled(boolean reloadConfig, AsyncCallback<Boolean> callback);
+
+	/**
+	 * Checks if is moderator role assigned.
+	 *
+	 * @param callback the callback
+	 */
+	void isModeratorRoleAssigned(AsyncCallback<Boolean> callback);
+
+	/**
+	 * Exists my item in moderation.
+	 *
+	 * @param callback the callback
+	 * @return true if the user has at least one item moderatorated or in
+	 *         moderation.
+	 */
+	void existsMyItemInModeration(AsyncCallback<Boolean> callback);
+
+	/**
+	 * Gets the item for name.
+	 *
+	 * @param itemName the item name
+	 * @param callback the callback
+	 * @return the item for name
+	 */
+	void getItemForName(String itemName, AsyncCallback<CatalogueDataset> callback);
 
 }

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

@@ -1,53 +1,93 @@
 package org.gcube.portlets.widgets.ckancontentmoderator.client;
 
-import java.util.List;
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.MainPanel;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.ExtModal;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.util.ModerationQueryStringUtil.ModerationBuilder;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
 
-import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanDataset;
+import com.github.gwtbootstrap.client.ui.Modal;
-import org.gcube.portlets.widgets.ckancontentmoderator.server.ContentModeratorSystem.ItemStatus;
+import com.google.gwt.user.client.ui.Composite;
-
-import com.google.gwt.core.client.EntryPoint;
-import com.google.gwt.core.client.GWT;
-import com.google.gwt.user.client.rpc.AsyncCallback;
 
 /**
- * Entry point classes define <code>onModuleLoad()</code>.
+ * The Class CkanContentModeratorWidget.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 7, 2022
  */
-public class CkanContentModeratorWidget implements EntryPoint {
+public class CkanContentModeratorWidget {
-  /**
-   * The message displayed to the user when the server cannot be reached or
-   * returns an error.
-   */
-  private static final String SERVER_ERROR = "An error occurred while "
-      + "attempting to contact the server. Please check your network "
-      + "connection and try again.";
 
-  /**
+	private MainPanel mainPanel = new MainPanel();
-   * Create a remote service proxy to talk to the server-side Greeting service.
-   */
-  private final CkanContentModeratorServiceAsync greetingService = GWT.create(CkanContentModeratorService.class);
 
+	private CheckConfigsUxController ccux;
 
+	/**
+	 * Instantiates a new ckan content moderator widget.
+	 *
+	 * @param initItemStatus the init item status
+	 * @param initOnItemName the init on item name
+	 * @param displayFields  the display fields
+	 * @param sortByFields   the sort by fields
+	 */
+	public CkanContentModeratorWidget(ItemStatus initItemStatus, String initOnItemName, DISPLAY_FIELD[] displayFields,
+			DISPLAY_FIELD[] sortByFields) {
+		mainPanel.setWidth("100%");
+		ccux = new CheckConfigsUxController(mainPanel, initItemStatus, initOnItemName, displayFields, sortByFields, null);
 
-  /**
+		boolean isModeratorRoleAssigned = false;
-   * This is the entry point method.
+		try {
-   */
+			isModeratorRoleAssigned = ccux.getModeratorCheckConfig().isModeratorRoleAssigned();
-  public void onModuleLoad() {
+		} catch (Exception e) {
-  
-
-	  greetingService.getListItemsForStatus(ItemStatus.PENDING, new AsyncCallback<List<CkanDataset>>() {
-		
-		@Override
-		public void onSuccess(List<CkanDataset> result) {
-			// TODO Auto-generated method stub
 
 		}
 
-		@Override
+		if (isModeratorRoleAssigned) {
-		public void onFailure(Throwable caught) {
+			mainPanel.setLoggedLabelText("Logged in as Moderator");
-			// TODO Auto-generated method stub
-			
 		}
-	});
+	}
-  }
 
+	/**
+	 * Instantiates a new ckan content moderator widget.
+	 *
+	 * @param builder the builder
+	 */
+	public CkanContentModeratorWidget(ModerationBuilder builder) {
+		this(builder.getItemStatus(), builder.getItemName(), builder.getDisplayFields(), builder.getSortByFields());
+	}
+
+	/**
+	 * 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 congifs.
+	 *
+	 * @return the congifs
+	 */
+	public CkanContentModeratorCheckConfigs getCongifs() {
+		return ccux.getModeratorCheckConfig();
+	}
 }

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

@@ -0,0 +1,331 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.CheckBoxSelectIemsEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.CheckBoxSelectIemsEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ClickItemEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ClickItemEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.CloseAllTabsEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.CloseAllTabsEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.IFrameInstanciedEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.IFrameInstanciedEvent.OPERATION;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.IFrameInstanciedEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.SelectItemsWithItemStatusEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.SelectItemsWithItemStatusEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowItemEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowItemEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowMessageEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowMessageEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.TableRangeViewChangedEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.TableRangeViewChangedEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.CkanShowItemFrame;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.ContentModeratorToolbar;
+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.util.UtilUx;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.ItemFieldDV;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.SearchingFilter;
+
+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.event.shared.HandlerManager;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.ComplexPanel;
+import com.google.gwt.user.client.ui.FlowPanel;
+
+/**
+ * The Class CkanContentModeratorWidgetController.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 29, 2021
+ */
+public class CkanContentModeratorWidgetController {
+
+	public final static CkanContentModeratorServiceAsync contentModeratorService = GWT
+			.create(CkanContentModeratorService.class);
+
+	private FlowPanel mainPanel = new FlowPanel();
+	private FlowPanel infoPanel = new FlowPanel();
+
+	private ContentModeratorToolbar toolbar;
+	private MainTabPanel mainTabPanel = new MainTabPanel();
+
+	public final static HandlerManager eventBus = new HandlerManager(null);
+	private HomeView howeView;
+
+	private HashMap<String, CkanShowItemFrame> mapOfItemsTabDisplayed = new HashMap<String, CkanShowItemFrame>();
+
+	private boolean readOnlyMode;
+
+	/**
+	 * Instantiates a new ckan content moderator widget.
+	 *
+	 * @param status                     the status
+	 * @param initOnItemName             the init on item name
+	 * @param displayFields              the display fields
+	 * @param sortByFields               the sort by fields
+	 * @param readOnlyMode               the read only mode
+	 * @param restrictDataToLoggedInUser the restrict data to logged in user
+	 */
+	protected CkanContentModeratorWidgetController(ItemStatus status, final String initOnItemName,
+			DISPLAY_FIELD[] displayFields, DISPLAY_FIELD[] sortByFields, boolean readOnlyMode,
+			boolean restrictDataToLoggedInUser) {
+
+		DISPLAY_FIELD firstSortField = null;
+		if (sortByFields == null || sortByFields.length == 0) {
+			firstSortField = DISPLAY_FIELD.NAME;
+			sortByFields[0] = firstSortField;
+		} else
+			firstSortField = sortByFields[0];
+
+		List<ItemFieldDV> sortBy = displayFieldsToItemFields(sortByFields);
+
+		toolbar = new ContentModeratorToolbar(eventBus, status, sortBy);
+
+//		GWT.log("***************** HARD CODED READONLY ********************** ");
+//		readOnlyMode = true;
+//		restrictDataToLoggedInUser = readOnlyMode;
+
+		howeView = new HomeView(eventBus, status, displayFields, firstSortField, 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();
+
+		if (initOnItemName != null) {
+
+			Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+
+				@Override
+				public void execute() {
+
+					CkanContentModeratorWidgetController.contentModeratorService.getItemForName(initOnItemName,
+							new AsyncCallback<CatalogueDataset>() {
+
+								@Override
+								public void onSuccess(CatalogueDataset result) {
+									GWT.log("CatalogueDataset read is: " + result);
+
+									if (result != null) {
+										eventBus.fireEvent(new ShowItemEvent<CatalogueDataset>(Arrays.asList(result),true));
+									}
+
+								}
+
+								@Override
+								public void onFailure(Throwable caught) {
+									GWT.log("Error on reading " + initOnItemName + ". Either the item with name: "
+											+ initOnItemName + " is not valid dataset or not readable");
+
+								}
+							});
+				}
+
+			});
+
+		}
+
+	}
+
+	/**
+	 * TEMPORARY SOLUTION... IT SHOULD BE A CONFIGURATION
+	 * 
+	 * @param sortByFields
+	 * @return
+	 */
+
+	private List<ItemFieldDV> displayFieldsToItemFields(DISPLAY_FIELD[] sortByFields) {
+
+		List<ItemFieldDV> listSortByIF = new ArrayList<ItemFieldDV>(sortByFields.length);
+		for (DISPLAY_FIELD display_FIELD : sortByFields) {
+			for (SearchingFilter.ORDER order : SearchingFilter.ORDER.values()) {
+				ItemFieldDV itemField = new ItemFieldDV();
+				itemField.setDisplayName(display_FIELD.getLabel() + " - " + order);
+				itemField.setJsonFields(Arrays.asList(display_FIELD.getJsonField() + " " + order.name().toLowerCase()));
+				listSortByIF.add(itemField);
+			}
+		}
+
+		return listSortByIF;
+	}
+
+	/**
+	 * Bind events.
+	 */
+	private void bindEvents() {
+
+		eventBus.addHandler(ClickItemEvent.TYPE, new ClickItemEventHandler() {
+
+			@Override
+			public <T> void onClick(ClickItemEvent<T> clickItemEvent) {
+
+				if (clickItemEvent.getSelectItems() != null) {
+					List<T> items = clickItemEvent.getSelectItems();
+					// if items selected are > 0 then shows button "Update status as.."
+					howeView.setVisibleUpdateStatusAction(items.size() > 0);
+
+					if (howeView.getDisplayingItemStatus().equals(ItemStatus.APPROVED)) {
+						GWT.log("The Item Status displayed is " + ItemStatus.APPROVED
+								+ " hiding update status actions");
+						howeView.setVisibleUpdateStatusAction(false);
+					}
+
+					// If an action updated the item status we reloading it
+					reloadItemsDisplayedInTab();
+				}
+			}
+		});
+
+		eventBus.addHandler(ShowItemEvent.TYPE, new ShowItemEventHandler() {
+
+			@Override
+			public <T> void onShowItemClicked(ShowItemEvent<T> showItemEvent) {
+				GWT.log("onShowItemClicked fired");
+				if (showItemEvent.getSelectItems() != null) {
+					List<T> items = showItemEvent.getSelectItems();
+
+					for (T t : items) {
+						CatalogueDataset clickedDataset = (CatalogueDataset) t;
+						CkanShowItemFrame csif = new CkanShowItemFrame(eventBus);
+						csif.instanceFrame(clickedDataset.getUrl());
+						mainTabPanel.addTab(clickedDataset.getTitle(), csif, showItemEvent.isFocusOnDisplaying());
+						mapOfItemsTabDisplayed.put(clickedDataset.getUrl(), csif);
+					}
+				}
+			}
+		});
+
+		eventBus.addHandler(IFrameInstanciedEvent.TYPE, new IFrameInstanciedEventHandler() {
+
+			@Override
+			public void onIFrameAction(IFrameInstanciedEvent iFrameInstanciedEent) {
+
+				OPERATION operation = iFrameInstanciedEent.getOperation();
+				if (operation != null) {
+					switch (operation) {
+					case INIT:
+						break;
+					case ONLOAD:
+
+						break;
+
+					default:
+						break;
+					}
+				}
+
+			}
+		});
+
+		eventBus.addHandler(CheckBoxSelectIemsEvent.TYPE, new CheckBoxSelectIemsEventHandler() {
+
+			@Override
+			public <T> void onValueChanged(CheckBoxSelectIemsEvent<T> onValueChangedEvent) {
+				howeView.markItemsAsChecked(onValueChangedEvent.isChecked(), true);
+
+			}
+		});
+
+		eventBus.addHandler(TableRangeViewChangedEvent.TYPE, new TableRangeViewChangedEventHandler() {
+
+			@Override
+			public <T> void onRangeChanged(TableRangeViewChangedEvent<T> tableRangeViewChangedEvent) {
+				howeView.setVisibleUpdateStatusAction(false);
+				howeView.setCheckedCheckboxSelectAll(false);
+			}
+		});
+
+		eventBus.addHandler(CloseAllTabsEvent.TYPE, new CloseAllTabsEventHandler() {
+
+			@Override
+			public void onClick(CloseAllTabsEvent closeAllTabsEvent) {
+				mainTabPanel.closeTabs();
+				mapOfItemsTabDisplayed.clear();
+			}
+		});
+
+		eventBus.addHandler(SelectItemsWithItemStatusEvent.TYPE, new SelectItemsWithItemStatusEventHandler() {
+
+			@Override
+			public void onValueChanged(SelectItemsWithItemStatusEvent statusSelectedEvent) {
+				GWT.log("On value changed: " + statusSelectedEvent.getItemStatus());
+				infoPanel.clear();
+				if (statusSelectedEvent.getItemStatus() != null) {
+					ItemFieldDV sortBy = statusSelectedEvent.getSortBy();
+
+					if (sortBy == null) {
+						sortBy = toolbar.getActiveSortBy();
+
+					}
+					String sortForField = sortBy.getJsonFields().get(0);
+					GWT.log("sortForField is: " + sortForField);
+					howeView.loadItemsWithStatus(statusSelectedEvent.getItemStatus(), sortForField);
+					mainTabPanel.selectTab(0);
+				}
+
+				if (statusSelectedEvent.getDisplayMessage() != null) {
+					UtilUx.showAlert(statusSelectedEvent.getDisplayMessage(), statusSelectedEvent.getAlertType(), true,
+							infoPanel, 15000);
+				}
+
+			}
+		});
+
+		eventBus.addHandler(ShowMessageEvent.TYPE, new ShowMessageEventHandler() {
+
+			@Override
+			public void onShowMessage(ShowMessageEvent showMessageEvent) {
+
+				if (showMessageEvent.getMsg() != null) {
+					UtilUx.showAlert(showMessageEvent.getMsg(), showMessageEvent.getAlerType(), true, infoPanel, 15000);
+
+				}
+			}
+		});
+	}
+
+	/**
+	 * Reload items displayed in tab.
+	 */
+	private void reloadItemsDisplayedInTab() {
+
+		for (String datasetURL : mapOfItemsTabDisplayed.keySet()) {
+			CkanShowItemFrame showItemFrame = mapOfItemsTabDisplayed.get(datasetURL);
+			showItemFrame.reloadPage();
+		}
+	}
+
+	/**
+	 * Gets the main panel.
+	 *
+	 * @return the main panel
+	 */
+	public ComplexPanel getMainPanel() {
+		return mainPanel;
+	}
+
+	/**
+	 * Checks if is read only mode.
+	 *
+	 * @return true, if is read only mode
+	 */
+	public boolean isReadOnlyMode() {
+		return readOnlyMode;
+	}
+
+}

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

@@ -0,0 +1,22 @@
+//package org.gcube.portlets.widgets.ckancontentmoderator.client;
+//
+//import com.google.gwt.core.client.EntryPoint;
+//
+///**
+// * Entry point classes define <code>onModuleLoad()</code>.
+// */
+//public class CkanContentModeratorWidgetEntryPoint implements EntryPoint {
+//	/**
+//	 * The message displayed to the user when the server cannot be reached or
+//	 * returns an error.
+//	 */
+//	private static final String SERVER_ERROR = "An error occurred while "
+//			+ "attempting to contact the server. Please check your network " + "connection and try again.";
+//
+//	/**
+//	 * This is the entry point method.
+//	 */
+//	public void onModuleLoad() {
+//	}
+//
+//}

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.util.ExtModal;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
+
+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 initItemStatus the init item status
+	 * @param displayFields                   the display fields
+	 * @param sortByField                     the sort by field
+	 * @param ckanContentModeratorCheckConfig the ckan content moderator check
+	 *                                        config
+	 */
+	public CkanContentModeratorWidgetTrusted(ItemStatus initItemStatus, DISPLAY_FIELD[] displayFields,
+			DISPLAY_FIELD[] sortByFields, CkanContentModeratorCheckConfigs ckanContentModeratorCheckConfig) {
+		GWT.log("CkanContentModeratorWidget called. CkanContentModeratorCheckConfigs: "
+				+ ckanContentModeratorCheckConfig);
+		mainPanel.setWidth("100%");
+		ccux = new CheckConfigsUxController(mainPanel, initItemStatus, null, displayFields, sortByFields, 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/ContentModeratorWidgetConstants.java

@@ -0,0 +1,23 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client;
+
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
+
+/**
+ * The Class ContentModeratorWidgetConstants.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 15, 2021
+ */
+public class ContentModeratorWidgetConstants {
+
+	public static final String NO_DATA = "No data";
+
+	public static int ITEMS_PER_PAGE = 10;
+	public static int ITEM_START_INDEX = 0;
+
+	public static String CKAN_FIELD_NAME_AUTHOR_MAIL = "author_email";
+
+	public static DISPLAY_FIELD[] DEFAULT_SORT_BY_FIELDS = new DISPLAY_FIELD[] { DISPLAY_FIELD.NAME, DISPLAY_FIELD.TITLE,
+			DISPLAY_FIELD.CREATED, DISPLAY_FIELD.LAST_UPDATE, DISPLAY_FIELD.TYPE };
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/CheckBoxSelectIemsEvent.java

@@ -0,0 +1,62 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class CheckBoxSelectIemsEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 22, 2021
+ * @param <T> the generic type
+ */
+public class CheckBoxSelectIemsEvent<T> extends GwtEvent<CheckBoxSelectIemsEventHandler> {
+	public static Type<CheckBoxSelectIemsEventHandler> TYPE = new Type<CheckBoxSelectIemsEventHandler>();
+	private boolean isChecked;
+
+	/**
+	 * Instantiates a new click item event.
+	 *
+	 * @param selectItems the select items
+	 */
+	public CheckBoxSelectIemsEvent(boolean checkedValue) {
+		this.isChecked = checkedValue;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
+	 */
+	@Override
+	public Type<CheckBoxSelectIemsEventHandler> 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(CheckBoxSelectIemsEventHandler handler) {
+		handler.onValueChanged(this);
+	}
+	
+	public boolean isChecked() {
+		return isChecked;
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/CheckBoxSelectIemsEventHandler.java

@@ -0,0 +1,23 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+
+/**
+ * The Interface CheckBoxSelectIemsEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 22, 2021
+ */
+public interface CheckBoxSelectIemsEventHandler extends EventHandler {
+
+
+	/**
+	 * On value changed.
+	 *
+	 * @param <T> the generic type
+	 * @param onValueChangedEvent the on value changed event
+	 */
+	<T> void onValueChanged(CheckBoxSelectIemsEvent<T> onValueChangedEvent);
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/ClickItemEvent.java

@@ -0,0 +1,68 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import java.util.List;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class ClickItemEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 22, 2021
+ * @param <T> the generic type
+ */
+public class ClickItemEvent<T> extends GwtEvent<ClickItemEventHandler> {
+	public static Type<ClickItemEventHandler> TYPE = new Type<ClickItemEventHandler>();
+	private List<T> selectItems;
+
+	/**
+	 * Instantiates a new click item event.
+	 *
+	 * @param selectItems the select items
+	 */
+	public ClickItemEvent(List<T> selectItems) {
+		this.selectItems = selectItems;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
+	 */
+	@Override
+	public Type<ClickItemEventHandler> 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(ClickItemEventHandler handler) {
+		handler.onClick(this);
+	}
+
+	/**
+	 * Gets the select items.
+	 *
+	 * @return the select items
+	 */
+	public List<T> getSelectItems() {
+		return selectItems;
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/ClickItemEventHandler.java

@@ -0,0 +1,21 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+
+/**
+ * The Interface ClickItemEventHandler.
+ *
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * Jul 6, 2015
+ */
+public interface ClickItemEventHandler extends EventHandler {
+
+	/**
+	 * On click.
+	 *
+	 * @param <T> the generic type
+	 * @param moreInfoShowEvent the more info show event
+	 */
+	<T> void onClick(ClickItemEvent<T> moreInfoShowEvent);
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/CloseAllTabsEvent.java

@@ -0,0 +1,45 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+
+
+// TODO: Auto-generated Javadoc
+/**
+ * The Class CloseAllTabsEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 22, 2021
+ */
+public class CloseAllTabsEvent extends GwtEvent<CloseAllTabsEventHandler> {
+	public static Type<CloseAllTabsEventHandler> TYPE = new Type<CloseAllTabsEventHandler>();
+
+	/**
+	 * Instantiates a new close all tabs event.
+	 */
+	public CloseAllTabsEvent() {
+
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	@Override
+	public Type<CloseAllTabsEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	@Override
+	protected void dispatch(CloseAllTabsEventHandler handler) {
+		handler.onClick(this);
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/CloseAllTabsEventHandler.java

@@ -0,0 +1,21 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+
+/**
+ * The Interface CloseAllTabsEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 22, 2021
+ */
+public interface CloseAllTabsEventHandler extends EventHandler {
+
+	/**
+	 * On click.
+	 *
+	 * @param closeAllTabsEvent the close all tabs event
+	 */
+	void onClick(CloseAllTabsEvent closeAllTabsEvent);
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/IFrameInstanciedEvent.java

@@ -0,0 +1,91 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.user.client.ui.Frame;
+
+
+/**
+ * The Class IFrameInstanciedEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 28, 2021
+ */
+public class IFrameInstanciedEvent extends GwtEvent<IFrameInstanciedEventHandler> {
+	public static Type<IFrameInstanciedEventHandler> TYPE = new Type<IFrameInstanciedEventHandler>();
+	private Frame iFrame;
+	private OPERATION operation;
+
+	/**
+	 * The Enum OPERATION.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 * Jun 28, 2021
+	 */
+	public static enum OPERATION {
+		INIT, ONLOAD
+	}
+
+	/**
+	 * Instantiates a new insert metadata event.
+	 *
+	 * @param iFrame the i frame
+	 * @param operation the operation
+	 */
+	public IFrameInstanciedEvent(Frame iFrame, OPERATION operation) {
+		this.iFrame = iFrame;
+		this.operation = operation;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
+	 */
+	@Override
+	public Type<IFrameInstanciedEventHandler> 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(IFrameInstanciedEventHandler handler) {
+		handler.onIFrameAction(this);
+	}
+
+	/**
+	 * Gets the i frame.
+	 *
+	 * @return the i frame
+	 */
+	public Frame getiFrame() {
+		return iFrame;
+	}
+	
+	/**
+	 * Gets the operation.
+	 *
+	 * @return the operation
+	 */
+	public OPERATION getOperation() {
+		return operation;
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/IFrameInstanciedEventHandler.java

@@ -0,0 +1,23 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+
+/**
+ * The Interface IFrameInstanciedEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 28, 2021
+ */
+public interface IFrameInstanciedEventHandler extends EventHandler {
+
+	
+	/**
+	 * On I frame action.
+	 *
+	 * @param iFrameInstanciedEent the i frame instancied eent
+	 */
+	void onIFrameAction(IFrameInstanciedEvent iFrameInstanciedEent);
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/SelectItemsWithItemStatusEvent.java

@@ -0,0 +1,108 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.ItemFieldDV;
+
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class SelectItemsWithItemStatusEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 28, 2021
+ */
+public class SelectItemsWithItemStatusEvent extends GwtEvent<SelectItemsWithItemStatusEventHandler> {
+	public static Type<SelectItemsWithItemStatusEventHandler> TYPE = new Type<SelectItemsWithItemStatusEventHandler>();
+	private ItemStatus itemStatus;
+	private String displayMessage;
+	private AlertType alertType = AlertType.INFO;
+	private ItemFieldDV sortBy;
+
+	/**
+	 * Instantiates a new click item event.
+	 *
+	 * @param itemStatus     the item status
+	 * @param displayMessage the display message
+	 * @param alerType       the aler type
+	 * @param sortBy         the sort by
+	 */
+	public SelectItemsWithItemStatusEvent(ItemStatus itemStatus, String displayMessage, AlertType alerType,
+			ItemFieldDV sortBy) {
+		this.itemStatus = itemStatus;
+		this.displayMessage = displayMessage;
+		this.alertType = alerType;
+		this.sortBy = sortBy;
+	}
+
+	/**
+	 * Instantiates a new select items with item status event.
+	 *
+	 * @param itemStatus     the item status
+	 * @param displayMessage the display message
+	 * @param alerType       the aler type
+	 */
+	public SelectItemsWithItemStatusEvent(ItemStatus itemStatus, String displayMessage, AlertType alerType) {
+		this.itemStatus = itemStatus;
+		this.displayMessage = displayMessage;
+		this.alertType = alerType;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	@Override
+	public Type<SelectItemsWithItemStatusEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	@Override
+	protected void dispatch(SelectItemsWithItemStatusEventHandler handler) {
+		handler.onValueChanged(this);
+	}
+
+	/**
+	 * Gets the item status.
+	 *
+	 * @return the item status
+	 */
+	public ItemStatus getItemStatus() {
+		return itemStatus;
+	}
+
+	/**
+	 * Gets the display message.
+	 *
+	 * @return the display message
+	 */
+	public String getDisplayMessage() {
+		return displayMessage;
+	}
+
+	/**
+	 * Gets the alert type.
+	 *
+	 * @return the alert type
+	 */
+	public AlertType getAlertType() {
+		return alertType;
+	}
+
+	/**
+	 * Gets the sort by.
+	 *
+	 * @return the sort by
+	 */
+	public ItemFieldDV getSortBy() {
+		return sortBy;
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/SelectItemsWithItemStatusEventHandler.java

@@ -0,0 +1,21 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+
+/**
+ * The Interface SelectItemsWithItemStatusEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 28, 2021
+ */
+public interface SelectItemsWithItemStatusEventHandler extends EventHandler {
+
+	/**
+	 * On value changed.
+	 *
+	 * @param statusSelectedEvent the status selected event
+	 */
+	void onValueChanged(SelectItemsWithItemStatusEvent statusSelectedEvent);
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/ShowItemEvent.java

@@ -0,0 +1,80 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import java.util.List;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class ShowItemEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 22, 2021
+ * @param <T> the generic type
+ */
+public class ShowItemEvent<T> extends GwtEvent<ShowItemEventHandler> {
+	public static Type<ShowItemEventHandler> TYPE = new Type<ShowItemEventHandler>();
+	private List<T> selectItems;
+	private boolean focusOnDisplaying = false;
+
+	/**
+	 * Instantiates a new click item event.
+	 *
+	 * @param selectItems the select items
+	 * @param focusOnDisplaying the focus on displaying
+	 */
+	public ShowItemEvent(List<T> selectItems, boolean focusOnDisplaying) {
+		this.selectItems = selectItems;
+		this.focusOnDisplaying = focusOnDisplaying;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
+	 */
+	@Override
+	public Type<ShowItemEventHandler> 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(ShowItemEventHandler handler) {
+		handler.onShowItemClicked(this);
+	}
+
+	/**
+	 * Gets the select items.
+	 *
+	 * @return the select items
+	 */
+	public List<T> getSelectItems() {
+		return selectItems;
+	}
+	
+	/**
+	 * Checks if is focus on displaying.
+	 *
+	 * @return true, if is focus on displaying
+	 */
+	public boolean isFocusOnDisplaying() {
+		return focusOnDisplaying;
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/ShowItemEventHandler.java

@@ -0,0 +1,23 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+
+// TODO: Auto-generated Javadoc
+/**
+ * The Interface ShowItemEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 22, 2021
+ */
+public interface ShowItemEventHandler extends EventHandler {
+
+	/**
+	 * On show item clicked.
+	 *
+	 * @param <T> the generic type
+	 * @param showItemEvent the show item event
+	 */
+	<T> void onShowItemClicked(ShowItemEvent<T> showItemEvent);
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/ShowMessageEvent.java

@@ -0,0 +1,68 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class ShowMessageEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Feb 22, 2022
+ */
+public class ShowMessageEvent extends GwtEvent<ShowMessageEventHandler> {
+	public static Type<ShowMessageEventHandler> TYPE = new Type<ShowMessageEventHandler>();
+	private String msg;
+	private AlertType alerType;
+
+	/**
+	 * Instantiates a new click item event.
+	 *
+	 * @param msg the msg
+	 * @param alerType the aler type
+	 */
+	public ShowMessageEvent(String msg, AlertType alerType) {
+		this.msg = msg;
+		this.alerType = alerType;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
+	 */
+	@Override
+	public Type<ShowMessageEventHandler> 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(ShowMessageEventHandler handler) {
+		handler.onShowMessage(this);
+	}
+	
+	public String getMsg() {
+		return msg;
+	}
+	
+	public AlertType getAlerType() {
+		return alerType;
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/ShowMessageEventHandler.java

@@ -0,0 +1,20 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * The Interface ShowMessageEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Feb 22, 2022
+ */
+public interface ShowMessageEventHandler extends EventHandler {
+
+	/**
+	 * On show message.
+	 *
+	 * @param showMessageEvent the show message event
+	 */
+	void onShowMessage(ShowMessageEvent showMessageEvent);
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/TableRangeViewChangedEvent.java

@@ -0,0 +1,47 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class TableRangeViewChangedEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 22, 2021
+ * @param <T> the generic type
+ */
+public class TableRangeViewChangedEvent<T> extends GwtEvent<TableRangeViewChangedEventHandler> {
+	public static Type<TableRangeViewChangedEventHandler> TYPE = new Type<TableRangeViewChangedEventHandler>();
+	private int startIndex;
+	private int limitIndex;
+
+	/**
+	 * Instantiates a new click item event.
+	 *
+	 * @param handler the handler
+	 * @return 
+	 */
+	public TableRangeViewChangedEvent(int start, int limit) {
+		this.startIndex = start;
+		this.limitIndex = limit;
+	}
+
+	@Override
+	public Type<TableRangeViewChangedEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	@Override
+	protected void dispatch(TableRangeViewChangedEventHandler handler) {
+		handler.onRangeChanged(this);
+	}
+	
+	public int getStartIndex() {
+		return startIndex;
+	}
+	
+	public int getLimitIndex() {
+		return limitIndex;
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/TableRangeViewChangedEventHandler.java

@@ -0,0 +1,16 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * The Interface TableRangeViewChangedEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 22, 2021
+ */
+public interface TableRangeViewChangedEventHandler extends EventHandler {
+
+	<T> void onRangeChanged(TableRangeViewChangedEvent<T> tableRangeViewChangedEvent);
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/resources/CellTable.css

@@ -0,0 +1,110 @@
+@def selectionBorderWidth 1px ; .cellTableWidget {
+	
+}
+
+.cellTableFirstColumn {
+	
+}
+
+.cellTableLastColumn {
+	
+}
+
+.cellTableFooter {
+	
+}
+
+.cellTableHeader {
+}
+
+.cellTableCell {
+	
+}
+
+.cellTableFirstColumnFooter {
+	
+}
+
+.cellTableFirstColumnHeader {
+	
+}
+
+.cellTableLastColumnFooter {
+	
+}
+
+.cellTableLastColumnHeader {
+	
+}
+
+.cellTableSortableHeader {
+	
+}
+
+.cellTableSortableHeader:hover {
+	
+}
+
+.cellTableSortedHeaderAscending {
+	
+}
+
+.cellTableSortedHeaderDescending {
+	
+}
+
+.cellTableEvenRow {
+	
+}
+
+.cellTableEvenRowCell {
+	
+}
+
+.cellTableOddRow {
+	
+}
+
+.cellTableOddRowCell {
+	
+}
+
+.cellTableHoveredRow {
+	background: #D9EDF7 !important;
+	cursor: pointer;
+}
+
+.cellTableHoveredRowCell {
+	background: #D9EDF7 !important;
+	cursor: pointer;
+}
+
+.cellTableKeyboardSelectedRow, .cellTableKeyboardSelectedRow td, .cellTableKeyboardSelectedRow th {
+	background: #b0cddd !important;
+}
+
+.cellTableSelectedRow, .cellTableSelectedRow td, .cellTableSelectedRow th
+	{
+	/*   background: #D9EDF7 !important; */
+	/*   color: white !important; */
+	/*   height: auto; */
+	/*   overflow: auto; */
+	
+}
+
+.cellTableSelectedRowCell, .cellTableSelectedRow td.cellTableSelectedRowCell {
+	background: #b0cddd !important;
+}
+
+.cellTableKeyboardSelectedRowCell, .cellTableKeyboardSelectedRow td.cellTableKeyboardSelectedRowCell{
+	background: #b0cddd !important;
+}
+
+.cellTableKeyboardSelectedCell, .cellTableKeyboardSelectedRow td.cellTableKeyboardSelectedCell{
+	background: #b0cddd !important;
+	color: white !important;
+}
+
+.cellTableLoading {
+	margin: 30px;
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/resources/CellTableResources.java

@@ -0,0 +1,23 @@
+/**
+ * 
+ */
+package org.gcube.portlets.widgets.ckancontentmoderator.client.resources;
+
+import com.github.gwtbootstrap.client.ui.CellTable;
+import com.github.gwtbootstrap.client.ui.CellTable.Resources;
+import com.google.gwt.core.shared.GWT;
+
+/**
+ * 
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * Jun 23, 2015
+ */
+public interface CellTableResources extends Resources {
+
+    public CellTableResources INSTANCE = GWT.create(CellTableResources.class);
+
+	//  The styles used in this widget.
+    @Override
+    @Source("CellTable.css")
+    CellTable.Style cellTableStyle();
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/resources/ContentModeratorIcons.java

@@ -0,0 +1,56 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.resources;
+
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.ImageResource;
+
+/**
+ * The Interface WorkspaceExplorerIcons.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 15, 2021
+ */
+public interface ContentModeratorIcons extends ClientBundle {
+
+	/**
+	 * Cancel.
+	 *
+	 * @return the image resource
+	 */
+	@Source("cancel.png")
+	ImageResource cancel();
+
+	/**
+	 * Loading.
+	 *
+	 * @return the image resource
+	 */
+	@Source("loading.gif")
+	ImageResource loading();
+
+	/**
+	 * Our sample image icon. Makes the image resource for the gwt-compiler's css
+	 * composer accessible
+	 *
+	 * @return the image resource
+	 */
+	@Source("loading.gif")
+	ImageResource logo();
+
+	/**
+	 * Info.
+	 *
+	 * @return the image resource
+	 */
+	@Source("info-icon.png")
+	ImageResource info();
+
+	/**
+	 * Info square.
+	 *
+	 * @return the image resource
+	 */
+
+	@Source("info-square.png")
+	ImageResource infoSquare();
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/resources/ContentModeratorWidgetResources.java

@@ -0,0 +1,56 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.resources;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.ui.AbstractImagePrototype;
+
+/**
+ * The Class ContentModeratorWidgetResources.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 15, 2021
+ */
+public class ContentModeratorWidgetResources {
+
+	public static final ContentModeratorIcons ICONS = GWT.create(ContentModeratorIcons.class);
+
+	/**
+	 * Gets the icon cancel.
+	 *
+	 * @return the icon cancel
+	 */
+	public static AbstractImagePrototype getIconCancel() {
+
+		return AbstractImagePrototype.create(ICONS.cancel());
+	}
+
+	/**
+	 * Gets the icon loading.
+	 *
+	 * @return the icon loading
+	 */
+	public static AbstractImagePrototype getIconLoading() {
+
+		return AbstractImagePrototype.create(ICONS.loading());
+	}
+
+	/**
+	 * Gets the icon info.
+	 *
+	 * @return the icon info
+	 */
+	public static AbstractImagePrototype getIconInfo() {
+
+		return AbstractImagePrototype.create(ICONS.info());
+	}
+
+	/**
+	 * Gets the icon info square.
+	 *
+	 * @return the icon info square
+	 */
+	public static AbstractImagePrototype getIconInfoSquare() {
+
+		return AbstractImagePrototype.create(ICONS.infoSquare());
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/resources/css/data-table.css

@@ -0,0 +1,11 @@
+.table-container {
+    width: 90% !important;
+    /*width: 700px;*/
+    margin: auto !important;
+    box-shadow: 0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);
+}
+.active-header {
+    background-color: #e1f5fe !important;
+    color: #2196F3 !important;
+    border-bottom: none !important;
+}

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

@@ -0,0 +1,73 @@
+/**
+ * 
+ */
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import com.github.gwtbootstrap.client.ui.FluidRow;
+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.Widget;
+
+/**
+ * The Class BaseViewTemplate.
+ *
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * Feb 19, 2015
+ */
+public class BaseViewTemplate extends Composite{
+
+	@UiField
+	FluidRow top_container;
+	@UiField
+	FluidRow base_container;
+	@UiField
+	FluidRow bottom_container;
+
+	
+	private static BaseViewTemplateUiBinder uiBinder = GWT.create(BaseViewTemplateUiBinder.class);
+
+	/**
+	 * The Interface BaseViewTemplateUiBinder.
+	 *
+	 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+	 * Feb 19, 2015
+	 */
+	interface BaseViewTemplateUiBinder extends UiBinder<Widget, BaseViewTemplate> {
+	}
+	
+	/**
+	 * Instantiates a new base view template.
+	 */
+	public BaseViewTemplate() {
+		initWidget(uiBinder.createAndBindUi(this));
+	}
+	
+	/**
+	 * Adds the to top.
+	 *
+	 * @param widget the widget
+	 */
+	public void addToTop(Widget widget){
+		top_container.add(widget);
+	}
+	
+	/**
+	 * Adds the to middle.
+	 *
+	 * @param widget the widget
+	 */
+	public void addToMiddle(Widget widget){
+		base_container.add(widget);
+	}
+	
+	/**
+	 * Adds the to bottom.
+	 *
+	 * @param widget the widget
+	 */
+	public void addToBottom(Widget widget){
+		bottom_container.add(widget);
+	}
+}

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

@@ -0,0 +1,13 @@
+<!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">
+
+	<g:FlowPanel>
+		<b:FluidRow ui:field="top_container">
+		</b:FluidRow>
+		<b:FluidRow ui:field="base_container">
+		</b:FluidRow>
+		<b:FluidRow ui:field="bottom_container">
+		</b:FluidRow>
+	</g:FlowPanel>
+</ui:UiBinder> 

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

@@ -0,0 +1,160 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.IFrameInstanciedEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.IFrameInstanciedEvent.OPERATION;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.resources.ContentModeratorWidgetResources;
+
+import com.github.gwtbootstrap.client.ui.Button;
+import com.github.gwtbootstrap.client.ui.constants.IconType;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Style.Display;
+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.dom.client.LoadEvent;
+import com.google.gwt.event.dom.client.LoadHandler;
+import com.google.gwt.event.shared.HandlerManager;
+import com.google.gwt.http.client.URL;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.user.client.Random;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.Frame;
+import com.google.gwt.user.client.ui.HTMLPanel;
+import com.google.gwt.user.client.ui.Image;
+import com.google.gwt.user.client.ui.NamedFrame;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * The Class CkanShowItemFrame.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 4, 2022
+ */
+public class CkanShowItemFrame extends Composite {
+
+	private static CkanShowItemFrameUiBinder uiBinder = GWT.create(CkanShowItemFrameUiBinder.class);
+
+	private NamedFrame namedFrame;
+	private HandlerManager eventBus;
+	private Image loading = new Image(ContentModeratorWidgetResources.ICONS.loading());
+	private String messageToSend;
+	private String iFrameRandomName;
+
+	@UiField
+	Button button_reload;
+
+	@UiField
+	HTMLPanel panel_container;
+
+//	@UiField
+//	AlertBlock alertBlockNav;
+
+	private String datasetURL;
+
+	/**
+	 * The Interface CkanShowItemFrameUiBinder.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Apr 4, 2022
+	 */
+	interface CkanShowItemFrameUiBinder extends UiBinder<Widget, CkanShowItemFrame> {
+	}
+
+	/**
+	 * Instantiates a new ckan show item frame.
+	 *
+	 * @param eventBus the event bus
+	 */
+	public CkanShowItemFrame(HandlerManager eventBus) {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.eventBus = eventBus;
+//		alertBlockNav.setType(AlertType.INFO);
+		button_reload.setIcon(IconType.ROTATE_RIGHT);
+		button_reload.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				reloadPage();
+			}
+		});
+	}
+
+	/**
+	 * Instance frame.
+	 *
+	 * @param datasetURL the dataset URL
+	 * @return the frame
+	 */
+	public Frame instanceFrame(String datasetURL) {
+		this.datasetURL = datasetURL;
+		GWT.log("Instancing new IFRAME with uri: " + datasetURL);
+		addLoading();
+		String urlEncoded = URL.encode(datasetURL);
+		GWT.log("Encoded url for instanciating namedFrame is " + urlEncoded);
+		iFrameRandomName = Random.nextInt() + "dataset-internal-iframe" + Random.nextInt();
+		namedFrame = new NamedFrame(iFrameRandomName);
+		namedFrame.setUrl(urlEncoded);
+
+		namedFrame.getElement().setId(iFrameRandomName);
+		namedFrame.setWidth("100%");
+		namedFrame.setHeight("580px");
+		namedFrame.getElement().getStyle().setBorderWidth(0, Unit.PX);
+		namedFrame.addLoadHandler(new LoadHandler() {
+
+			@Override
+			public void onLoad(LoadEvent arg0) {
+
+				removeLoading();
+				eventBus.fireEvent(new IFrameInstanciedEvent(namedFrame, OPERATION.ONLOAD));
+			}
+		});
+		panel_container.add(namedFrame);
+		namedFrame.setVisible(true);
+		eventBus.fireEvent(new IFrameInstanciedEvent(namedFrame, OPERATION.INIT));
+		return namedFrame;
+
+	}
+
+	/**
+	 * Gets the namedFrame.
+	 *
+	 * @return the namedFrame
+	 */
+	public Frame getFrame() {
+		return namedFrame;
+	}
+
+	/**
+	 * add loading image.
+	 */
+	private void addLoading() {
+		panel_container.add(loading);
+		loading.getElement().getStyle().setProperty("margin", "auto");
+		loading.getElement().getStyle().setDisplay(Display.BLOCK);
+		button_reload.setEnabled(false);
+	}
+
+	/**
+	 * Removes the loading.
+	 */
+	private void removeLoading() {
+		try {
+			panel_container.remove(loading);
+			button_reload.setEnabled(true);
+		} catch (Exception e) {
+
+		}
+	}
+
+	/**
+	 * Reload page.
+	 */
+	public void reloadPage() {
+		panel_container.clear();
+		instanceFrame(datasetURL);
+	}
+
+}

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

@@ -0,0 +1,22 @@
+<!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;
+	}
+	
+	.as_simple_link {
+		background: none;
+		border: none;
+	}
+	</ui:style>
+	<g:HTMLPanel>
+		<b:AlertBlock close="false" addStyleNames="as_simple_link" ui:field="alertBlockNav">
+		<b:Button ui:field="button_reload" title="Reload the page" type="LINK">Reload</b:Button>
+		</b:AlertBlock>
+		<g:HTMLPanel ui:field="panel_container">
+		</g:HTMLPanel>
+	</g:HTMLPanel>
+</ui:UiBinder> 

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

@@ -0,0 +1,353 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import java.util.List;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.CkanContentModeratorWidgetController;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ContentModeratorWidgetConstants;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowMessageEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.TableRangeViewChangedEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTable;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.SortedCellTable;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.LoadingPanel;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.SearchedData;
+
+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.cellview.client.SimplePager;
+import com.google.gwt.user.cellview.client.SimplePager.TextLocation;
+import com.google.gwt.user.client.Element;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.FlowPanel;
+import com.google.gwt.user.client.ui.HTML;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.ScrollPanel;
+import com.google.gwt.user.client.ui.VerticalPanel;
+import com.google.gwt.user.client.ui.Widget;
+import com.google.gwt.view.client.AsyncDataProvider;
+import com.google.gwt.view.client.HasData;
+import com.google.gwt.view.client.MultiSelectionModel;
+import com.google.gwt.view.client.Range;
+import com.google.gwt.view.client.SelectionModel;
+import com.google.gwt.view.client.SingleSelectionModel;
+
+/**
+ * The Class GeonaRecordsPaginatedView.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 16, 2021
+ */
+public class ContentModeratorPaginatedView {
+
+	private static final int ITEM_START_INDEX = ContentModeratorWidgetConstants.ITEM_START_INDEX;
+	private static final int ITEMS_PER_PAGE = ContentModeratorWidgetConstants.ITEMS_PER_PAGE;
+	private VerticalPanel vPanel = new VerticalPanel();
+	private FlowPanel pagerPanel = new FlowPanel();
+	private Boolean initClassFirstRangeChanged = false;
+	private ItemsTable<CatalogueDataset> itemsTable;
+	private MyCustomDataProvider<CatalogueDataset> dataProvider = new MyCustomDataProvider<CatalogueDataset>();
+	protected Widget orginalLoadingIndicator = null;
+	private LoadingPanel loadingPanel = new LoadingPanel(new HTML("Loading data..."));
+	private ItemStatus itemStatus;
+	private int serverStartIndex;
+	private HandlerManager eventBus;
+	private boolean restrictDataToLoggedInUser;
+	private String sortForField;
+
+	/**
+	 * 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 restrictDataToLoggedInUser the restrict data to logged in user
+	 * @param sortForField
+	 */
+	public ContentModeratorPaginatedView(HandlerManager eventbus, ItemStatus theStatus, DISPLAY_FIELD[] displayFields,
+			DISPLAY_FIELD sortByField, boolean restrictDataToLoggedInUser) {
+		this.itemStatus = theStatus;
+		this.restrictDataToLoggedInUser = restrictDataToLoggedInUser;
+		this.initClassFirstRangeChanged = true;
+		this.eventBus = eventbus;
+		itemsTable = new ItemsTable<CatalogueDataset>(eventbus, displayFields, sortByField);
+		itemsTable.initTable(null, null, dataProvider);
+
+		orginalLoadingIndicator = itemsTable.getCellTable().getLoadingIndicator();
+		initPagination(ITEMS_PER_PAGE);
+		// loadNewPage(ITEM_START_INDEX, ITEMS_PER_PAGE, false);
+		loadItemsForStatus(theStatus, sortForField);
+
+	}
+
+	/**
+	 * Gets the asycn data provider.
+	 *
+	 * @return the asycn data provider
+	 */
+	public AsyncDataProvider<CatalogueDataset> getAsycnDataProvider() {
+		return (AsyncDataProvider<CatalogueDataset>) getCellTable().getDataProvider();
+	}
+
+	/**
+	 * Gets the cell tale.
+	 *
+	 * @return the cell tale
+	 */
+	private SortedCellTable<CatalogueDataset> getCellTable() {
+		return itemsTable.getCellTable();
+	}
+
+	/**
+	 * Inits the pagination.
+	 *
+	 * @param itemsPerPage the items per page
+	 */
+	public void initPagination(int itemsPerPage) {
+
+		SimplePager.Resources pagerResources = GWT.create(SimplePager.Resources.class);
+		SimplePager pager = new SimplePager(TextLocation.CENTER, pagerResources, false, 0, true);
+		pager.setDisplay(getCellTable());
+		pager.setPageSize(itemsPerPage);
+		pager.getElement().getStyle().setProperty("margin", "auto");
+		vPanel.add(loadingPanel);
+
+		ScrollPanel scroll = new ScrollPanel();
+		scroll.getElement().getStyle().setProperty("maxHeight", "470px");
+		scroll.add(getCellTable());
+		vPanel.add(scroll);
+		vPanel.getElement().addClassName("vPanel");
+		pagerPanel.add(pager);
+	}
+
+	/**
+	 * Gets the pager panel.
+	 *
+	 * @return the pager panel
+	 */
+	public VerticalPanel getCellPanel() {
+		return vPanel;
+	}
+
+	/**
+	 * Set the panel in loading mode.
+	 *
+	 * @param show the show
+	 */
+	protected void showLoading(boolean show) {
+		loadingPanel.setVisible(show);
+	}
+
+	/**
+	 * Gets the pager panel.
+	 *
+	 * @return the pager panel
+	 */
+	public FlowPanel getPagerPanel() {
+		return pagerPanel;
+	}
+
+	/**
+	 * Load new page.
+	 *
+	 * @param startIdx     the start idx
+	 * @param limit        the limit
+	 * @param resetStore   the reset store
+	 * @param sortForField
+	 */
+	private void loadNewPage(final int startIdx, final int limit, final boolean resetStore) {
+		// initFirstRangeChanged = resetStore;
+		GWT.log("loadNewPage with parameters [startIdx: " + startIdx + ", limit: " + limit + ", resetStore:"
+				+ resetStore + "]");
+		// showLoading(true);
+
+		int newStartIndex = startIdx;
+
+		if (resetStore) {
+			GWT.log("Cleaning all data...");
+			newStartIndex = 0;
+			serverStartIndex = 0;
+			GWT.log("Store reset performed start index is: " + newStartIndex);
+			getAsycnDataProvider().updateRowCount(ITEMS_PER_PAGE, false);
+		}
+
+		loadItemsForStatus(itemStatus, newStartIndex, limit, serverStartIndex, sortForField);
+
+	}
+
+	/**
+	 * Load items for status.
+	 *
+	 * @param itemStatus   the item status
+	 * @param sortForField
+	 */
+	public void loadItemsForStatus(ItemStatus itemStatus, String sortForField) {
+		this.itemStatus = itemStatus;
+		this.sortForField = sortForField;
+		getCellTable().setVisibleRangeAndClearData(new Range(0, ITEMS_PER_PAGE), false);
+		loadNewPage(ITEM_START_INDEX, ITEMS_PER_PAGE, true);
+	}
+
+	/**
+	 * Sets the new page result.
+	 *
+	 * @param result the new new page result
+	 */
+	private void setNewPageResult(SearchedData result) {
+		GWT.log("setNewPageResult: " + result);
+		serverStartIndex = result.getServerEndIndex();
+		SelectionModel<? super CatalogueDataset> sm = getCellTable().getSelectionModel();
+
+		if (sm instanceof SingleSelectionModel) {
+			SingleSelectionModel<CatalogueDataset> ssm = (SingleSelectionModel<CatalogueDataset>) sm;
+			ssm.clear();
+		} else if (sm instanceof MultiSelectionModel) {
+			MultiSelectionModel<CatalogueDataset> msm = (MultiSelectionModel<CatalogueDataset>) sm;
+			msm.clear();
+		}
+
+		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 {
+			getCellTable().setLoadingIndicator(orginalLoadingIndicator);
+		}
+
+		GWT.log("Updating row data startIndex: " + result.getClientStartIndex() + " children size: "
+				+ result.getData().size());
+		GWT.log("getAsycnDataProvider().getDataDisplays().size(): " + getCellTable().getRowCount());
+
+		if (result.isServerSearchFinished()) {
+			GWT.log("Search finished!!!");
+			getAsycnDataProvider().updateRowCount(getCellTable().getRowCount(), true);
+		}
+		// initFirstRangeChanged = false;
+
+	}
+
+	/**
+	 * Load items for status.
+	 *
+	 * @param status       the status
+	 * @param offset       the offset
+	 * @param limit        the limit
+	 * @param serverIndex  the server index
+	 * @param sortForField
+	 */
+	private void loadItemsForStatus(ItemStatus status, int offset, int limit, int serverIndex, String sortForField) {
+		showLoading(true);
+
+		GWT.log("calling getDataForStatus with parameters [startIndex: " + offset + ", limit: " + limit
+				+ ", serverIndex:" + serverIndex + "]");
+
+		CkanContentModeratorWidgetController.contentModeratorService.getDataForStatus(status, offset, limit,
+				serverIndex, restrictDataToLoggedInUser, sortForField, new AsyncCallback<SearchedData>() {
+
+					@Override
+					public void onSuccess(SearchedData result) {
+						showLoading(false);
+						setNewPageResult(result);
+					}
+
+					@Override
+					public void onFailure(Throwable caught) {
+						showLoading(false);
+						eventBus.fireEvent(new ShowMessageEvent(caught.getMessage(), AlertType.ERROR));
+
+					}
+				});
+
+	}
+
+	/**
+	 * Select items.
+	 *
+	 * @param select      the select
+	 * @param limitToPage the limit to page
+	 */
+	public void selectItems(boolean select, boolean limitToPage) {
+		SortedCellTable<CatalogueDataset> table = getCellTable();
+		int rowSize = table.getVisibleItemCount();
+
+		for (int i = 0; i < rowSize; i++) {
+			CatalogueDataset item = table.getVisibleItem(i);
+			itemsTable.getSelectionModel().setSelected(item, select);
+		}
+	}
+
+	/**
+	 * Gets the select items.
+	 *
+	 * @return the select items
+	 */
+	public List<CatalogueDataset> getSelectItems() {
+		return itemsTable.getSelectedItems();
+	}
+
+	/**
+	 * A custom {@link AsyncDataProvider}.
+	 *
+	 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it Jul 5, 2017
+	 * @param <T> the generic type
+	 */
+	public class MyCustomDataProvider<T> extends AsyncDataProvider<T> {
+
+		/**
+		 * {@link #onRangeChanged(HasData)} is called when the table requests a new
+		 * range of data. You can push data back to the displays using
+		 * {@link #updateRowData(int, List)}.
+		 *
+		 * @param display the display
+		 */
+		@Override
+		public void onRangeChanged(HasData<T> display) {
+
+			// Get the new range.
+			final Range range = display.getVisibleRange();
+
+			int start = range.getStart();
+			int length = range.getLength();
+
+			if (initClassFirstRangeChanged) {
+				GWT.log("initClassFirstRangeChanged is true.. returning");
+				initClassFirstRangeChanged = false;
+				return;
+			}
+			GWT.log("Range changed: " + start + " " + length + " visible count: " + display.getVisibleItemCount());
+			loadNewPage(start, length, false);
+			eventBus.fireEvent(new TableRangeViewChangedEvent<T>(start, length));
+
+		}
+
+	}
+
+	public void hideSelectableRow(boolean bool) {
+		Element tableEl = itemsTable.getCellTable().getElement();
+		if (bool)
+			tableEl.addClassName("hide_checkbox");
+		else
+			tableEl.removeClassName("hide_checkbox");
+
+	}
+
+}

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

@@ -0,0 +1,61 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.ScrollPanel;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * The Class ContentModeratorSystemBaseView.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 16, 2021
+ */
+public class ContentModeratorSystemBaseView {
+
+	private BaseViewTemplate baseViewTemplate = new BaseViewTemplate();
+	private ScrollPanel centerPanel = new ScrollPanel();
+
+	/**
+	 * Instantiates a new content moderator system base view.
+	 */
+	public ContentModeratorSystemBaseView() {
+		baseViewTemplate.addToMiddle(centerPanel);
+	}
+
+	/**
+	 * Adds the to top.
+	 *
+	 * @param w the w
+	 */
+	public void addToTop(Widget w) {
+		baseViewTemplate.addToTop(w);
+	}
+
+	/**
+	 * Adds the to center.
+	 *
+	 * @param w the w
+	 */
+	public void addToCenter(Widget w) {
+		centerPanel.add(w);
+	}
+
+	/**
+	 * Adds the to bottom.
+	 *
+	 * @param w the w
+	 */
+	public void addToBottom(Widget w) {
+		baseViewTemplate.addToBottom(w);
+	}
+
+	/**
+	 * Gets the panel.
+	 *
+	 * @return the panel
+	 */
+	public Composite getPanel() {
+		return baseViewTemplate;
+	}
+}

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

@@ -0,0 +1,142 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import java.util.List;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.CloseAllTabsEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.SelectItemsWithItemStatusEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.ItemFieldDV;
+
+import com.github.gwtbootstrap.client.ui.Dropdown;
+import com.github.gwtbootstrap.client.ui.Label;
+import com.github.gwtbootstrap.client.ui.NavLink;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+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.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.Widget;
+
+public class ContentModeratorToolbar extends Composite {
+
+	private static ContentModeratorToolbarUiBinder uiBinder = GWT.create(ContentModeratorToolbarUiBinder.class);
+
+	interface ContentModeratorToolbarUiBinder extends UiBinder<Widget, ContentModeratorToolbar> {
+	}
+
+	@UiField
+	Dropdown dropdownSelectStatus;
+
+	@UiField
+	Dropdown dropdownSortBy;
+
+	@UiField
+	NavLink closeAllTabs;
+
+	@UiField
+	Label statusInfo;
+	
+	@UiField
+	Label orderInfo;
+
+	private HandlerManager eventBus;
+
+	private ItemStatus activeStatus;
+
+	private List<ItemFieldDV> sortByList;
+
+	private ItemFieldDV activeSortBy;
+
+	public ContentModeratorToolbar(HandlerManager eventBus, ItemStatus status, List<ItemFieldDV> sortBy) {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.eventBus = eventBus;
+		this.sortByList = sortBy;
+		setActiveStatus(status);
+		setActiveSortBy(sortBy.get(0));
+		fillSelectionOptions();
+		bindEvents();
+
+	}
+
+	private void bindEvents() {
+		closeAllTabs.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				eventBus.fireEvent(new CloseAllTabsEvent());
+
+			}
+		});
+	}
+
+	private void fillSelectionOptions() {
+		for (final ItemStatus status : ItemStatus.values()) {
+
+			NavLink navLink = new NavLink();
+			navLink.setText(status.getLabel());
+			navLink.addClickHandler(new ClickHandler() {
+
+				@Override
+				public void onClick(ClickEvent event) {
+					GWT.log("clicked: " + status);
+					setActiveStatus(status);
+					eventBus.fireEvent(new SelectItemsWithItemStatusEvent(status, null, null, getActiveSortBy()));
+
+				}
+			});
+			dropdownSelectStatus.add(navLink);
+		}
+
+		for (final ItemFieldDV itemField : sortByList) {
+
+			NavLink navLink = new NavLink();
+			navLink.setText(itemField.getDisplayName());
+			navLink.addClickHandler(new ClickHandler() {
+
+				@Override
+				public void onClick(ClickEvent event) {
+					setActiveSortBy(itemField);
+					eventBus.fireEvent(new SelectItemsWithItemStatusEvent(getActiveStatus(), null, null, itemField));
+
+				}
+
+			});
+			dropdownSortBy.add(navLink);
+		}
+	}
+
+	private void setActiveSortBy(ItemFieldDV itemField) {
+		this.activeSortBy = itemField;
+		this.orderInfo.setText(activeSortBy.getDisplayName());
+	}
+
+	private void setActiveStatus(ItemStatus status) {
+		this.activeStatus = status;
+		this.statusInfo.setText(activeStatus.getLabel());
+
+	}
+
+	public ItemFieldDV getActiveSortBy() {
+
+		if (activeSortBy != null)
+			return activeSortBy;
+
+		NavLink navLink = dropdownSortBy.getLastSelectedNavLink();
+		String selectedText = navLink.getText();
+		for (ItemFieldDV itemField : sortByList) {
+
+			if (itemField.getDisplayName().compareTo(selectedText) == 0) {
+				return itemField;
+			}
+		}
+
+		return sortByList.get(0);
+	}
+
+	public ItemStatus getActiveStatus() {
+		return activeStatus;
+	}
+
+}

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

@@ -0,0 +1,44 @@
+<!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-top-12 {
+		margin-top: 12px;
+	}
+	
+	.margin-left-20 {
+		margin-left: 20px;
+	}
+	</ui:style>
+	<g:HTMLPanel>
+		<b:Navbar>
+			<b:Nav>
+				<b:Dropdown text="Select Items with status..."
+					ui:field="dropdownSelectStatus">
+				</b:Dropdown>
+			</b:Nav>
+			<b:Nav>
+				<b:Label ui:field="statusInfo" type="INFO"
+					addStyleNames="{style.margin-top-12}"></b:Label>
+			</b:Nav>
+			<b:Nav>
+				<b:Dropdown text="Order By" ui:field="dropdownSortBy"
+					addStyleNames="{style.margin-left-20}">
+				</b:Dropdown>
+			</b:Nav>
+			<b:Nav>
+				<b:Label ui:field="orderInfo" type="DEFAULT" addStyleNames="{style.margin-top-12}"></b:Label>
+			</b:Nav>
+			<b:Nav alignment="RIGHT">
+				<b:NavLink ui:field="closeAllTabs" visible="false">Close All Tabs
+				</b:NavLink>
+			</b:Nav>
+		</b:Navbar>
+	</g:HTMLPanel>
+</ui:UiBinder> 

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

@@ -0,0 +1,229 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import java.util.List;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+
+import com.github.gwtbootstrap.client.ui.AlertBlock;
+import com.github.gwtbootstrap.client.ui.Button;
+import com.github.gwtbootstrap.client.ui.CheckBox;
+import com.github.gwtbootstrap.client.ui.HelpBlock;
+import com.github.gwtbootstrap.client.ui.TextArea;
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.event.logical.shared.ValueChangeEvent;
+import com.google.gwt.event.logical.shared.ValueChangeHandler;
+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.HTML;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * The Class DoActionCMSView.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 29, 2021
+ */
+public class DoActionCMSView extends Composite {
+
+	private static DoActionCMSUiBinder uiBinder = GWT.create(DoActionCMSUiBinder.class);
+
+	/**
+	 * The Interface DoActionCMSUiBinder.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Jun 29, 2021
+	 */
+	interface DoActionCMSUiBinder extends UiBinder<Widget, DoActionCMSView> {
+	}
+
+	@UiField
+	HTML htmlDisplayMessage;
+
+	@UiField
+	CheckBox checkBoxPermDelete;
+
+	@UiField
+	TextArea txtMsgReason;
+
+	@UiField
+	Button buttonActionConfirmYES;
+
+	@UiField
+	Button buttonActionConfirmNO;
+
+	@UiField
+	AlertBlock alertBlockDoAction;
+	
+	@UiField
+	HelpBlock helpPermDelete;
+
+
+	private List<CatalogueDataset> listSelectItems;
+
+	private ItemStatus fromStatus;
+
+	private ItemStatus toStatus;
+
+	/**
+	 * Instantiates a new do action CMS view.
+	 *
+	 * @param fromStatus      the from status
+	 * @param toStatus        the to status
+	 * @param listSelectItems the list select items
+	 */
+	public DoActionCMSView() {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.alertBlockDoAction.setClose(true);
+		this.alertBlockDoAction.setAnimation(true);
+		this.alertBlockDoAction.setType(AlertType.INFO);
+		this.checkBoxPermDelete.setVisible(false);
+		this.txtMsgReason.setVisible(false);
+		
+		checkBoxPermDelete.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
+			
+			@Override
+			public void onValueChange(ValueChangeEvent<Boolean> event) {
+				helpPermDelete.setVisible(false);
+				if(event.getValue()) {
+					helpPermDelete.setVisible(true);
+				}
+			}
+		});
+
+	}
+
+	public void updateStatus(ItemStatus fromStatus, ItemStatus toStatus, List<CatalogueDataset> listSelectItems) {
+		this.fromStatus = fromStatus;
+		this.toStatus = toStatus;
+		this.listSelectItems = listSelectItems;
+		int count = listSelectItems.size();
+		String msg = "Going to update the status of";
+		if (count > 0) {
+			if (count == 1) {
+				msg += " one item";
+			} else {
+				msg += " " + count + " items";
+			}
+
+			msg += " from <b>" + fromStatus.getLabel() + "</b> to <b>" + toStatus.getLabel() + "</b>. Confirm?";
+		} else
+			return;
+
+		switch (toStatus) {
+		case PENDING:
+			checkBoxPermDelete.setVisible(false);
+			txtMsgReason.setVisible(false);
+			break;
+		case APPROVED:
+			checkBoxPermDelete.setVisible(false);
+			txtMsgReason.setVisible(true);
+			txtMsgReason.setPlaceholder("(Optional) Type a message...");
+			break;
+		case REJECTED:
+			checkBoxPermDelete.setVisible(true);
+			txtMsgReason.setVisible(true);
+			txtMsgReason.setPlaceholder("(Optional) Rejecting reason...");
+			break;
+		default:
+			break;
+		}
+
+		htmlDisplayMessage.setHTML(msg);
+	}
+
+	public void permanentlyDelete(List<CatalogueDataset> listSelectItems) {
+		this.listSelectItems = listSelectItems;
+		int count = listSelectItems.size();
+		String msg = "Going to delete permanently ";
+		if (count > 0) {
+			if (count == 1) {
+				msg += " one item";
+			} else {
+				msg += " " + count + " items";
+			}
+
+			msg += " from Catalogue. This operation cannot be undone. Would you like to proceed?";
+		} else
+			return;
+
+		htmlDisplayMessage.setHTML(msg);
+	}
+
+	/**
+	 * Checks if is permanently delete.
+	 *
+	 * @return true, if is permanently delete
+	 */
+	boolean isPermanentlyDelete() {
+		return checkBoxPermDelete.getValue();
+	}
+
+	/**
+	 * Gets the txt reason msg.
+	 *
+	 * @return the txt reason msg
+	 */
+	public String getTxtReasonMsg() {
+		return txtMsgReason.getValue();
+	}
+
+	/**
+	 * Gets the list select items.
+	 *
+	 * @return the list select items
+	 */
+	public List<CatalogueDataset> getListSelectItems() {
+		return listSelectItems;
+	}
+
+	/**
+	 * Gets the from status.
+	 *
+	 * @return the from status
+	 */
+	public ItemStatus getFromStatus() {
+		return fromStatus;
+	}
+
+	/**
+	 * Gets the to status.
+	 *
+	 * @return the to status
+	 */
+	public ItemStatus getToStatus() {
+		return toStatus;
+	}
+
+	/**
+	 * Gets the button action confirm YES.
+	 *
+	 * @return the button action confirm YES
+	 */
+	public Button getButtonActionConfirmYES() {
+		return buttonActionConfirmYES;
+	}
+
+	/**
+	 * Gets the button action confirm NO.
+	 *
+	 * @return the button action confirm NO
+	 */
+	public Button getButtonActionConfirmNO() {
+		return buttonActionConfirmNO;
+	}
+
+	/**
+	 * Gets the alert block do action.
+	 *
+	 * @return the alert block do action
+	 */
+	public AlertBlock getAlertBlockDoAction() {
+		return alertBlockDoAction;
+	}
+
+}

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

@@ -0,0 +1,46 @@
+<!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;
+	}
+	
+	.fontsize-16 {
+		font-size: 16px;
+	}
+	
+	.margin-top-15 {
+		margin-top: 15px;
+	}
+	
+	.margin-left-10 {
+		margin-left: 10px;
+	}
+	.text-area-message{
+		max-width: 100%;
+		width: 100%;
+		margin-bottom: 2px;
+	}
+	</ui:style>
+	<g:HTMLPanel>
+		<b:AlertBlock ui:field="alertBlockDoAction">
+			<g:HTML ui:field="htmlDisplayMessage"
+				addStyleNames="{style.fontsize-16}"></g:HTML>
+			<b:Form type="VERTICAL" addStyleNames="{style.margin-top-15}">
+				<b:TextArea placeholder="Rejecting reason..."  addStyleNames="{style.text-area-message}"
+					ui:field="txtMsgReason" />
+				<b:CheckBox ui:field="checkBoxPermDelete"
+					title="Permanently removes the selected item/s from Catalogue">Permanently Delete</b:CheckBox>
+				<b:HelpBlock ui:field="helpPermDelete" visible="false">This operation cannot be undone. The selected items will be permantently deleted from Catalogue</b:HelpBlock>
+				<b:Paragraph addStyleNames="{style.margin-top-15}">
+					<b:Button type="PRIMARY" ui:field="buttonActionConfirmYES"
+						addStyleNames="{style.margin-left-10}">YES</b:Button>
+					<b:Button ui:field="buttonActionConfirmNO"
+						addStyleNames="{style.margin-left-10}">NO</b:Button>
+				</b:Paragraph>
+			</b:Form>
+		</b:AlertBlock>
+	</g:HTMLPanel>
+</ui:UiBinder> 

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

@@ -0,0 +1,652 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.CkanContentModeratorWidgetController;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.CheckBoxSelectIemsEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.SelectItemsWithItemStatusEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.LoadingPanel;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.UtilFunct;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.OperationReport;
+
+import com.github.gwtbootstrap.client.ui.AlertBlock;
+import com.github.gwtbootstrap.client.ui.Button;
+import com.github.gwtbootstrap.client.ui.CheckBox;
+import com.github.gwtbootstrap.client.ui.Dropdown;
+import com.github.gwtbootstrap.client.ui.Heading;
+import com.github.gwtbootstrap.client.ui.NavLink;
+import com.github.gwtbootstrap.client.ui.base.AlertBase;
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
+import com.github.gwtbootstrap.client.ui.event.ClosedEvent;
+import com.github.gwtbootstrap.client.ui.event.ClosedHandler;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.event.logical.shared.ValueChangeEvent;
+import com.google.gwt.event.logical.shared.ValueChangeHandler;
+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.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.HTML;
+import com.google.gwt.user.client.ui.HTMLPanel;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.ScrollPanel;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * The Class HomeView.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 22, 2021
+ */
+public class HomeView extends Composite {
+
+	private static HomeViewUiBinder uiBinder = GWT.create(HomeViewUiBinder.class);
+	private ContentModeratorSystemBaseView cmsPanel = new ContentModeratorSystemBaseView();
+	private ContentModeratorPaginatedView paginatedView;
+
+	@UiField
+	HTMLPanel panelContainer;
+
+	@UiField
+	CheckBox cbSelectAll;
+
+	@UiField
+	Dropdown dropdownSetStatus;
+
+	@UiField
+	Heading pageHeader;
+
+	@UiField
+	HTMLPanel actionLoaderPanel;
+
+	@UiField
+	HTMLPanel confirmPanel;
+
+	@UiField
+	Button permanentlyDelete;
+
+	@UiField
+	HorizontalPanel updateStatusActionPanel;
+
+	private ScrollPanel confirmPanelContainer = new ScrollPanel();
+
+	private List<NavLink> setStatusOptions = new ArrayList<NavLink>();
+
+	private ItemStatus displayingItemStatus;
+
+	private HandlerManager eventBus;
+
+	private LoadingPanel actionInProgressLoader = new LoadingPanel(new HTML("Performing action..."));
+	private boolean readOnlyMode;
+	private boolean restrictDataToLoggedInUser;
+
+	/**
+	 * The Interface HomeViewUiBinder.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Jun 22, 2021
+	 */
+	interface HomeViewUiBinder extends UiBinder<Widget, HomeView> {
+	}
+
+	/**
+	 * Instantiates a new home view.
+	 *
+	 * @param eventBus                   the event bus
+	 * @param status                     the status
+	 * @param displayFields              the display fields
+	 * @param sortByField                the sort by field
+	 * @param readOnlyMode the read only mode
+	 * @param restrictDataToLoggedInUser the restrict data to logged in user
+	 */
+	public HomeView(HandlerManager eventBus, ItemStatus status, DISPLAY_FIELD[] displayFields,
+			DISPLAY_FIELD sortByField, boolean readOnlyMode, boolean restrictDataToLoggedInUser) {
+		initWidget(uiBinder.createAndBindUi(this));
+		setDisplayingWithStatus(status);
+		this.eventBus = eventBus;
+		this.readOnlyMode = readOnlyMode;
+		this.restrictDataToLoggedInUser = restrictDataToLoggedInUser;
+		paginatedView = new ContentModeratorPaginatedView(eventBus, status, displayFields, sortByField,
+				restrictDataToLoggedInUser);
+		cmsPanel.addToCenter(paginatedView.getCellPanel());
+		cmsPanel.addToBottom(paginatedView.getPagerPanel());
+		panelContainer.add(cmsPanel.getPanel());
+		setVisibleUpdateStatusAction(false);
+		setVisiblePermanentlyDelete(false);
+
+		// Filling the Dropdown with status options
+		for (ItemStatus iStatus : ItemStatus.values()) {
+			NavLink nl = new NavLink(iStatus.getLabel());
+			dropdownSetStatus.add(nl);
+			setStatusOptions.add(nl);
+
+		}
+
+		showActionLoader(false);
+		actionLoaderPanel.add(actionInProgressLoader);
+
+		setStatusOptions(status);
+		bindEvents();
+		confirmPanel.add(confirmPanelContainer);
+
+	}
+
+	/**
+	 * Show action loader.
+	 *
+	 * @param showActionInProgress the show action in progress
+	 */
+	private void showActionLoader(boolean showActionInProgress) {
+		GWT.log("Show action in progress: " + showActionInProgress);
+		actionLoaderPanel.setVisible(showActionInProgress);
+	}
+
+	/**
+	 * Sets the status options according to item status selected.
+	 *
+	 * @param selectedStatus the new status options
+	 */
+	private void setStatusOptions(ItemStatus selectedStatus) {
+
+		// Fired when user clicks on CMS action
+		for (final NavLink navLink : setStatusOptions) {
+			navLink.setVisible(true);
+			// Hiding the status selected/displayed from navigation link
+			if (navLink.getText().trim().equals(displayingItemStatus.getLabel())) {
+				navLink.setVisible(false);
+			}
+
+			// Hiding the changing REJECT -> APPROVED
+			// One item REJECT must be only updated to return to PENDING status
+			if (selectedStatus.equals(ItemStatus.REJECTED)) {
+				if (navLink.getText().trim().equals(ItemStatus.APPROVED.getLabel())) {
+					navLink.setVisible(false);
+				}
+			}
+
+			// Hiding the changing of any status from the APPROVED
+			if (selectedStatus.equals(ItemStatus.APPROVED)) {
+				navLink.setVisible(false);
+			}
+
+		}
+	}
+
+	/**
+	 * Sets the displaying with status.
+	 *
+	 * @param status the new displaying with status
+	 */
+	private void setDisplayingWithStatus(ItemStatus status) {
+		this.displayingItemStatus = status;
+		this.pageHeader.setSubtext(status.getLabel());
+	}
+
+	/**
+	 * Bind events.
+	 */
+	public void bindEvents() {
+
+		cbSelectAll.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
+
+			@Override
+			public void onValueChange(ValueChangeEvent<Boolean> event) {
+				GWT.log("Is checked: " + cbSelectAll.getValue());
+				eventBus.fireEvent(new CheckBoxSelectIemsEvent<CatalogueDataset>(cbSelectAll.getValue()));
+
+			}
+		});
+
+		// Fired when user clicks on CMS action
+		for (final NavLink navLink : setStatusOptions) {
+			navLink.addClickHandler(new ClickHandler() {
+
+				@Override
+				public void onClick(ClickEvent event) {
+					if (paginatedView.getSelectItems().size() > 0) {
+						showDoActionView(navLink);
+					}
+
+				}
+			});
+		}
+
+		permanentlyDelete.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				if (paginatedView.getSelectItems().size() > 0) {
+					showDoActionViewDeletePermanently();
+
+				}
+
+			}
+		});
+	}
+
+	/**
+	 * Gets the panel.
+	 *
+	 * @return the panel
+	 */
+	public Composite getPanel() {
+		return this;
+	}
+
+	/**
+	 * Sets the visible update status action.
+	 *
+	 * @param bool the new visible update status action
+	 */
+	public void setVisibleUpdateStatusAction(boolean bool) {
+		dropdownSetStatus.setVisible(bool);
+	}
+
+	/**
+	 * Sets the visible permanently delete.
+	 *
+	 * @param bool the new visible permanently delete
+	 */
+	public void setVisiblePermanentlyDelete(boolean bool) {
+		permanentlyDelete.setVisible(bool);
+	}
+
+	/**
+	 * Mark items as checked.
+	 *
+	 * @param select      the select
+	 * @param limitToPage the limit to page
+	 */
+	public void markItemsAsChecked(boolean select, boolean limitToPage) {
+		paginatedView.selectItems(select, limitToPage);
+	}
+
+	/**
+	 * Sets the checked checkbox select all.
+	 *
+	 * @param bool the new checked checkbox select all
+	 */
+	public void setCheckedCheckboxSelectAll(boolean bool) {
+		cbSelectAll.setValue(bool);
+	}
+
+	/**
+	 * Show do action view.
+	 *
+	 * @param navLink the nav link
+	 */
+	private void showDoActionView(NavLink navLink) {
+		confirmPanelContainer.clear();
+		GWT.log("showDoActionView clicked link: " + navLink.getText());
+		ItemStatus fromStatus = displayingItemStatus;
+		final ItemStatus toStatus = UtilFunct.toStatusFromStatusLabel(navLink.getText().trim());
+		GWT.log("Do action on from: " + fromStatus + " to: " + toStatus);
+		if (toStatus == null) {
+			return;
+		}
+
+		final DoActionCMSView doActionCMS = new DoActionCMSView();
+		final List<CatalogueDataset> selectedItems = paginatedView.getSelectItems();
+		doActionCMS.updateStatus(fromStatus, toStatus, selectedItems);
+
+		final AlertBlock newAlertBlock = doActionCMS.getAlertBlockDoAction();
+		newAlertBlock.addClosedHandler(new ClosedHandler<AlertBase>() {
+
+			@Override
+			public void onClosed(ClosedEvent<AlertBase> event) {
+				confirmPanelContainer.clear();
+			}
+		});
+
+		Button buttActionConfirmYes = doActionCMS.getButtonActionConfirmYES();
+		buttActionConfirmYes.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				confirmPanelContainer.clear();
+				performCMSAction(doActionCMS);
+			}
+		});
+
+		Button buttonActionConfirmNo = doActionCMS.getButtonActionConfirmNO();
+		buttonActionConfirmNo.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				confirmPanelContainer.clear();
+
+			}
+		});
+
+		confirmPanelContainer.add(doActionCMS);
+	}
+
+	/**
+	 * Show do action delete permanently.
+	 */
+	private void showDoActionViewDeletePermanently() {
+
+		confirmPanelContainer.clear();
+		GWT.log("showDoActionViewDeletePermanently...");
+
+		final DoActionCMSView doActionCMS = new DoActionCMSView();
+		final List<CatalogueDataset> selectedItems = paginatedView.getSelectItems();
+		doActionCMS.permanentlyDelete(selectedItems);
+
+		final AlertBlock newAlertBlock = doActionCMS.getAlertBlockDoAction();
+		newAlertBlock.addClosedHandler(new ClosedHandler<AlertBase>() {
+
+			@Override
+			public void onClosed(ClosedEvent<AlertBase> event) {
+				confirmPanelContainer.clear();
+			}
+		});
+
+		Button buttActionConfirmYes = doActionCMS.getButtonActionConfirmYES();
+		buttActionConfirmYes.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				confirmPanelContainer.clear();
+				showActionLoader(true);
+
+				List<String> listDatasetNames = UtilFunct.toListDatasetNames(doActionCMS.getListSelectItems());
+				CkanContentModeratorWidgetController.contentModeratorService.permanentlyDelete(listDatasetNames,
+						new AsyncCallback<OperationReport>() {
+
+							@Override
+							public void onFailure(Throwable caught) {
+								showActionLoader(false);
+								Window.alert(caught.getMessage());
+								eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus,
+										"Sorry an error occurred. Please, refresh and try again", AlertType.ERROR));
+
+							}
+
+							@Override
+							public void onSuccess(OperationReport result) {
+								showActionLoader(false);
+								AlertType alert = AlertType.SUCCESS;
+								int count = selectedItems.size();
+								String msg = "Deleted permanently";
+								if (count > 0) {
+									if (count == 1) {
+										msg += " one item";
+									} else {
+										msg += " " + count + " items";
+									}
+
+									msg += " from Catalogue";
+								}
+
+								int errorCount = result.getErrorMapItems().size();
+								if (errorCount > 0) {
+									msg += " <br/>Error occurred on deleting permanently " + errorCount + " item/s:";
+									for (String key : result.getErrorMapItems().keySet()) {
+										msg += "<br/> " + key + ". Error: " + result.getErrorMapItems().get(key);
+									}
+
+									alert = AlertType.WARNING;
+								}
+
+								eventBus.fireEvent(
+										new SelectItemsWithItemStatusEvent(displayingItemStatus, msg, alert));
+
+							}
+						});
+			}
+		});
+
+		Button buttonActionConfirmNo = doActionCMS.getButtonActionConfirmNO();
+		buttonActionConfirmNo.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				confirmPanelContainer.clear();
+
+			}
+		});
+
+		confirmPanelContainer.add(doActionCMS);
+	}
+
+	/**
+	 * Load form server the items with status.
+	 *
+	 * @param itemStatus the item status
+	 * @param sortForField 
+	 */
+	public void loadItemsWithStatus(ItemStatus itemStatus, String sortForField) {
+		GWT.log("loadItemsWithStatus started");
+		setDisplayingWithStatus(itemStatus);
+		setCheckedCheckboxSelectAll(false);
+		setVisibleUpdateStatusAction(false);
+		setVisiblePermanentlyDelete(false);
+		setStatusOptions(itemStatus);
+		confirmPanelContainer.clear();
+		if (itemStatus.equals(ItemStatus.REJECTED))
+			setVisiblePermanentlyDelete(true);
+
+		paginatedView.loadItemsForStatus(itemStatus, sortForField);
+
+		GWT.log("loadItemsWithStatus end");
+	}
+
+	/**
+	 * Perform CMS action.
+	 *
+	 * @param doActionCMSView the do action CMS view
+	 */
+	private void performCMSAction(final DoActionCMSView doActionCMSView) {
+
+		showActionLoader(true);
+		final ItemStatus toStatus = doActionCMSView.getToStatus();
+		List<String> listDatasetNames = UtilFunct.toListDatasetNames(doActionCMSView.getListSelectItems());
+		switch (toStatus) {
+		case PENDING:
+
+			CkanContentModeratorWidgetController.contentModeratorService.setStatus(toStatus, listDatasetNames,
+					new AsyncCallback<OperationReport>() {
+
+						@Override
+						public void onSuccess(OperationReport result) {
+							showActionLoader(false);
+							AlertType alert = AlertType.SUCCESS;
+							int count = result.getPassedListItems().size();
+							String msg = "";
+							if (count > 0) {
+								if (count == 1) {
+									msg += "One item";
+								} else {
+									msg += count + " items";
+								}
+
+								msg += " moved to " + toStatus + " status.";
+							}
+
+							int errorCount = result.getErrorMapItems().size();
+							if (errorCount > 0) {
+								msg += " <br/>Error occurred on updating status to " + errorCount + " item/s:";
+								for (String key : result.getErrorMapItems().keySet()) {
+									msg += "<br/> " + key + ". Error: " + result.getErrorMapItems().get(key);
+								}
+
+								alert = AlertType.WARNING;
+							}
+
+							eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus, msg, alert));
+						}
+
+						@Override
+						public void onFailure(Throwable caught) {
+							showActionLoader(false);
+							Window.alert(caught.getMessage());
+							eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus,
+									"Sorry an error occurred. Please, refresh and try again", AlertType.ERROR));
+
+						}
+					});
+
+			break;
+
+		case APPROVED:
+
+			CkanContentModeratorWidgetController.contentModeratorService.approveItem(listDatasetNames,
+					doActionCMSView.getTxtReasonMsg(), new AsyncCallback<OperationReport>() {
+
+						@Override
+						public void onFailure(Throwable caught) {
+							showActionLoader(false);
+							Window.alert(caught.getMessage());
+							eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus,
+									"Sorry an error occurred. Please, refresh and try again", AlertType.ERROR));
+
+						}
+
+						@Override
+						public void onSuccess(OperationReport result) {
+							showActionLoader(false);
+							AlertType alert = AlertType.SUCCESS;
+							int count = result.getPassedListItems().size();
+							String msg = "";
+							if (count > 0) {
+								if (count == 1) {
+									msg += "One item";
+								} else {
+									msg += count + " items";
+								}
+
+								msg += " moved to " + toStatus + " status.";
+							}
+
+							int errorCount = result.getErrorMapItems().size();
+							if (errorCount > 0) {
+								msg += " <br/>Error occurred on approving " + errorCount + " item/s:";
+								for (String key : result.getErrorMapItems().keySet()) {
+									msg += "<br/> " + key + ". Error: " + result.getErrorMapItems().get(key);
+								}
+
+								alert = AlertType.WARNING;
+							}
+
+							eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus, msg, alert));
+
+						}
+					});
+
+			break;
+
+		case REJECTED:
+
+			CkanContentModeratorWidgetController.contentModeratorService.rejectItem(listDatasetNames,
+					doActionCMSView.isPermanentlyDelete(), doActionCMSView.getTxtReasonMsg(),
+					new AsyncCallback<OperationReport>() {
+
+						@Override
+						public void onFailure(Throwable caught) {
+							showActionLoader(false);
+							Window.alert(caught.getMessage());
+							eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus,
+									"Sorry an error occurred. Please, refresh and try again", AlertType.ERROR));
+						}
+
+						@Override
+						public void onSuccess(OperationReport result) {
+							showActionLoader(false);
+							AlertType alert = AlertType.SUCCESS;
+							int count = result.getPassedListItems().size();
+							String msg = "";
+							if (count > 0) {
+								if (count == 1) {
+									msg += "One item";
+								} else {
+									msg += count + " items";
+								}
+
+								boolean isPermanentlyDelete = doActionCMSView.isPermanentlyDelete();
+
+								if (isPermanentlyDelete) {
+									msg += " deleted permanently from Catalogue";
+								} else {
+									msg += " moved to " + toStatus + " status.";
+								}
+							}
+
+							int errorCount = result.getErrorMapItems().size();
+							if (errorCount > 0) {
+								msg += " <br/>Error occurred on rejecting " + errorCount + " item/s:";
+								for (String key : result.getErrorMapItems().keySet()) {
+									msg += "<br/> " + key + ". Error: " + result.getErrorMapItems().get(key);
+								}
+
+								alert = AlertType.WARNING;
+							}
+
+							eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus, msg, alert));
+
+						}
+					});
+
+			break;
+
+		default:
+			break;
+		}
+	}
+
+	/**
+	 * Gets the displaying item status.
+	 *
+	 * @return the displaying item status
+	 */
+	public ItemStatus getDisplayingItemStatus() {
+		return displayingItemStatus;
+	}
+
+	/**
+	 * Hide update status action.
+	 *
+	 * @param readOnlyMode the read only mode
+	 */
+	public void hideUpdateStatusAction(boolean readOnlyMode) {
+		updateStatusActionPanel.setVisible(!readOnlyMode);
+	}
+
+	/**
+	 * Hide selectable row.
+	 *
+	 * @param bool the bool
+	 */
+	public void hideSelectableRow(boolean bool) {
+		paginatedView.hideSelectableRow(bool);
+	}
+
+	/**
+	 * Checks if is read only mode.
+	 *
+	 * @return true, if is read only mode
+	 */
+	public boolean isReadOnlyMode() {
+		return readOnlyMode;
+	}
+
+	/**
+	 * Checks if is restrict data to logged in user.
+	 *
+	 * @return true, if is restrict data to logged in user
+	 */
+	public boolean isRestrictDataToLoggedInUser() {
+		return restrictDataToLoggedInUser;
+	}
+
+}

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

@@ -0,0 +1,61 @@
+<!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-left-20 {
+		margin-left: 20px;
+	}
+	
+	.margin-left-5 {
+		margin-left: 5px;
+	}
+	
+	.headinghome {
+		margin-left: 5px;
+		margin-bottom: 20px;
+		font-size: 16px !important;
+	}
+	
+	.button-style {
+		margin-left: 20px;
+		padding: 0px;
+	}
+	
+	.font-size-14 {
+		font-size: 14px;
+	}
+	
+	.font-size-14 li {
+		font-size: 14px;
+	}
+	
+	.headinghome>small {
+		font-size: 16px !important;
+	}
+	</ui:style>
+	<g:HTMLPanel>
+		<b:Heading ui:field="pageHeader" size="4"
+			addStyleNames="{style.headinghome}">Items with status: </b:Heading>
+		<g:HorizontalPanel
+			addStyleNames="{style.font-size-14}" ui:field="updateStatusActionPanel">
+			<b:CheckBox ui:field="cbSelectAll"
+				addStyleNames="{style.margin-left-5}"></b:CheckBox>
+			<b:Nav>
+				<b:Dropdown text="Update status as..."
+					ui:field="dropdownSetStatus" addStyleNames="{style.margin-left-20}">
+				</b:Dropdown>
+			</b:Nav>
+			<b:Button ui:field="permanentlyDelete"
+				addStyleNames="{style.button-style}" type="LINK" visible="false">Permanently
+				Delete</b:Button>
+		</g:HorizontalPanel>
+		<g:HTMLPanel ui:field="actionLoaderPanel"></g:HTMLPanel>
+		<g:HTMLPanel ui:field="confirmPanel"></g:HTMLPanel>
+		<g:HTMLPanel ui:field="panelContainer"></g:HTMLPanel>
+	</g:HTMLPanel>
+</ui:UiBinder> 

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/MainTabPanel.java

@@ -0,0 +1,211 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.UtilFunct;
+
+import com.github.gwtbootstrap.client.ui.Icon;
+import com.github.gwtbootstrap.client.ui.Tab;
+import com.github.gwtbootstrap.client.ui.TabPanel;
+import com.github.gwtbootstrap.client.ui.constants.IconType;
+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.Style.Cursor;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.event.dom.client.LoadEvent;
+import com.google.gwt.event.dom.client.LoadHandler;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.user.client.Element;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.Widget;
+
+// TODO: Auto-generated Javadoc
+/**
+ * The Class MainTabPanel.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 18, 2021
+ */
+public class MainTabPanel extends Composite {
+
+	private static MainTabPanelUiBinder uiBinder = GWT.create(MainTabPanelUiBinder.class);
+
+	/**
+	 * The Interface MainTabPanelUiBinder.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Jun 18, 2021
+	 */
+	interface MainTabPanelUiBinder extends UiBinder<Widget, MainTabPanel> {
+	}
+
+	private List<Tab> results = new ArrayList<Tab>();
+
+	@UiField
+	TabPanel mainTabPanel;
+
+	@UiField
+	Tab homeTab;
+
+	/**
+	 * Instantiates a new main tab panel.
+	 */
+	public MainTabPanel() {
+		initWidget(uiBinder.createAndBindUi(this));
+		results.add(homeTab);
+	}
+
+	/**
+	 * Adds the home widget.
+	 *
+	 * @param w the w
+	 */
+	public void addHomeWidget(Widget w) {
+		homeTab.add(w);
+	}
+
+	/**
+	 * Adds the tab.
+	 *
+	 * @param heading the heading
+	 * @param w       the w
+	 * @return the tab
+	 */
+	public Tab addTab(String heading, Widget w, boolean selectTab) {
+		final Tab tab = new Tab();
+
+		if (w instanceof CkanShowItemFrame) {
+			tab.setCustomIconStyle("icon-rotate-right icon-spin");
+			CkanShowItemFrame ckanFramePanel = (CkanShowItemFrame) w;
+			ckanFramePanel.getFrame().addLoadHandler(new LoadHandler() {
+
+				@Override
+				public void onLoad(LoadEvent event) {
+					tab.setIcon(IconType.BOOK);
+					setNoSpinner(tab);
+				}
+			});
+		}
+
+		tab.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+			}
+		});
+
+		Icon icon = new Icon(IconType.REMOVE);
+		icon.setTitle("Close this tab");
+		icon.getElement().getStyle().setCursor(Cursor.POINTER);
+		ClickHandler clickHandler = new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				try {
+					mainTabPanel.remove(tab);
+					results.remove(tab);
+					mainTabPanel.selectTab(results.size() - 1);
+				} catch (Exception e) {
+					// silent
+				}
+			}
+		};
+
+		icon.addDomHandler(clickHandler, ClickEvent.getType());
+		tab.addDecorate(icon);
+
+		String shortTitle = UtilFunct.ellipsis(heading, 20, false);
+		tab.asWidget().setTitle(heading);
+		tab.setHeading(shortTitle);
+		if (w != null)
+			tab.add(w);
+
+		results.add(tab);
+		mainTabPanel.add(tab);
+		// activeTabPanels(false);
+
+		if (selectTab) {
+			Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+
+				@Override
+				public void execute() {
+					mainTabPanel.selectTab(results.size() - 1);
+				}
+			});
+		}
+
+		return tab;
+	}
+
+	/**
+	 * Active tab panels.
+	 *
+	 * @param bool the bool
+	 */
+	private void activeTabPanels(boolean bool) {
+		for (Tab tab : results) {
+			tab.setActive(false);
+		}
+	}
+
+	/**
+	 * Count tab.
+	 *
+	 * @return the int
+	 */
+	public int countTab() {
+
+		return results.size();
+	}
+
+	/**
+	 * Close tabs.
+	 */
+	public void closeTabs() {
+		int tabSize = results.size();
+		GWT.log("tab size is: " + tabSize);
+		for (int i = 1; i < tabSize; i++) {
+			// each remove shifts any subsequent elements to the left, so I'm removing
+			// always the first element
+			mainTabPanel.remove(1);
+			results.remove(1);
+		}
+		// selecting Home Tab
+		selectTab(0);
+	}
+
+	public void selectTab(int tabIndex) {
+		if (tabIndex <= results.size()) {
+			mainTabPanel.selectTab(tabIndex);
+		}
+
+	}
+
+	/**
+	 * Sets the no spinner.
+	 *
+	 * @param tab the new no spinner
+	 */
+	private void setNoSpinner(Tab tab) {
+		try {
+			tab.asTabLink().getAnchor().removeStyleName("icon-spin");
+			tab.asTabLink().getAnchor().removeStyleName("icon-rotate-right");
+			Element anchorElem = tab.asTabLink().getAnchor().asWidget().getElement();
+			anchorElem.getFirstChildElement().removeClassName("icon-spin");
+			anchorElem.getFirstChildElement().removeClassName("icon-rotate-right");
+		} catch (Exception e) {
+			// silent
+		}
+		tab.asTabLink().getAnchor().setIcon(IconType.BOOK);
+		// tab.asTabLink().getAnchor().setVisible(false);
+		// if(tab.asTabLink().getAnchor().setVisible(false);)
+
+	}
+
+}

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

@@ -0,0 +1,16 @@
+<!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;
+	}
+	</ui:style>
+	<g:HTMLPanel>
+		<b:TabPanel tabPosition="above" ui:field="mainTabPanel">
+			<b:Tab icon="HOME" heading="Home" active="true" ui:field="homeTab">
+			</b:Tab>
+		</b:TabPanel>
+	</g:HTMLPanel>
+</ui:UiBinder> 

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

@@ -0,0 +1,25 @@
+/**
+ *
+ */
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
+
+import java.util.List;
+
+/**
+ * The Interface SelectionItems.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 18, 2021
+ */
+public interface SelectionItems {
+	
+	/**
+	 * Gets the selected items.
+	 *
+	 * @param <T> the generic type
+	 * @return the selected items
+	 */
+	<T> List<T> getSelectedItems();
+
+}

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

@@ -0,0 +1,224 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ClickItemEvent;
+
+import com.github.gwtbootstrap.client.ui.Pagination;
+import com.google.gwt.core.client.Scheduler.ScheduledCommand;
+import com.google.gwt.core.shared.GWT;
+import com.google.gwt.dom.client.Style.BorderStyle;
+import com.google.gwt.event.dom.client.ContextMenuEvent;
+import com.google.gwt.event.dom.client.ContextMenuHandler;
+import com.google.gwt.event.dom.client.DoubleClickEvent;
+import com.google.gwt.event.dom.client.DoubleClickHandler;
+import com.google.gwt.event.shared.HandlerManager;
+import com.google.gwt.user.cellview.client.SimplePager;
+import com.google.gwt.user.client.Event;
+import com.google.gwt.user.client.ui.DialogBox;
+import com.google.gwt.user.client.ui.MenuBar;
+import com.google.gwt.user.client.ui.MenuItem;
+import com.google.gwt.view.client.AbstractDataProvider;
+import com.google.gwt.view.client.AsyncDataProvider;
+import com.google.gwt.view.client.DefaultSelectionEventManager;
+import com.google.gwt.view.client.ListDataProvider;
+import com.google.gwt.view.client.MultiSelectionModel;
+import com.google.gwt.view.client.SelectionChangeEvent;
+import com.google.gwt.view.client.SelectionChangeEvent.Handler;
+import com.google.gwt.view.client.SelectionModel;
+import com.google.gwt.view.client.SingleSelectionModel;
+
+
+/**
+ * The Class AbstractItemsCellTable.
+ *
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it Jul 11, 2017
+ * @param <T> the generic type
+ */
+public abstract class AbstractItemsCellTable<T> {
+
+	protected SortedCellTable<T> sortedCellTable;
+	protected T itemContextMenu = null;
+	protected boolean fireEventOnClick = true;
+	protected SelectionModel<T> theSelectionModel;
+	protected HandlerManager eventBus;
+
+	/**
+	 * Inits the table.
+	 *
+	 * @param pager        the pager
+	 * @param pagination   the pagination
+	 * @param dataProvider the data provider
+	 */
+	public abstract void initTable(final SimplePager pager, final Pagination pagination,
+			AbstractDataProvider<T> dataProvider);
+
+	/**
+	 * Inits the abstract table.
+	 *
+	 * @param eventBus       the event bus
+	 * @param fireOnClick    the fire on click
+	 * @param dataProvider   the data provider
+	 * @param selectionModel the selection model
+	 * @param pageSize       the page size
+	 */
+	protected void initAbstractTable(HandlerManager eventBus, boolean fireOnClick, AbstractDataProvider<T> dataProvider,
+			SelectionModel<T> selectionModel, int pageSize) {
+		this.eventBus = eventBus;
+		this.fireEventOnClick = fireOnClick;
+		this.theSelectionModel = selectionModel;
+		sortedCellTable = new SortedCellTable<T>(pageSize, dataProvider);
+		sortedCellTable.addStyleName("table-cms-widget");
+		sortedCellTable.addStyleName("table-cms-widget-vertical-middle");
+		sortedCellTable.setStriped(true);
+		sortedCellTable.setCondensed(true);
+		sortedCellTable.setWidth("100%", true);
+//		dataProvider.addDataDisplay(sortedCellTable);
+//		initTable(cellTable, null, null);
+		//sortedCellTable.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
+
+		DefaultSelectionEventManager<T> checkBoxManager = DefaultSelectionEventManager.<T> createCheckboxManager();
+		sortedCellTable.setSelectionModel(theSelectionModel,checkBoxManager);
+
+		theSelectionModel.addSelectionChangeHandler(new Handler() {
+			@Override
+			public void onSelectionChange(final SelectionChangeEvent event) {
+
+				if (theSelectionModel instanceof SingleSelectionModel) {
+					SingleSelectionModel<T> ssm = (SingleSelectionModel<T>) theSelectionModel;
+					final T selectedObject = ssm.getSelectedObject();
+					if (selectedObject != null) {
+						GWT.log("Clicked: " + selectedObject);
+//				        selectedItem(selectedObject);
+						if (fireEventOnClick)
+							AbstractItemsCellTable.this.eventBus.fireEvent(new ClickItemEvent<T>(Arrays.asList(selectedObject)));
+					}
+				}else if (theSelectionModel instanceof MultiSelectionModel) {
+					Set<T> selected = ((MultiSelectionModel<T>) theSelectionModel).getSelectedSet();
+					GWT.log("Selected are:" +selected);
+					if (fireEventOnClick)
+						AbstractItemsCellTable.this.eventBus.fireEvent(new ClickItemEvent<T>(new ArrayList<T>(selected)));
+				} 
+			}
+		});
+
+		sortedCellTable.addDomHandler(new DoubleClickHandler() {
+
+			@Override
+			public void onDoubleClick(final DoubleClickEvent event) {
+				if (theSelectionModel instanceof SingleSelectionModel) {
+					SingleSelectionModel<T> ssm = (SingleSelectionModel<T>) theSelectionModel;
+					T selected = ssm.getSelectedObject();
+					if (selected != null) {
+						GWT.log("Double Click: " + selected);
+						// AbstractItemsCellTable.this.eventBus.fireEvent(new
+						// org.gcube.portlets.widgets.wsexplorer.client.event.LoadFolderEvent<T>(selected));
+					}
+				}
+
+			}
+		}, DoubleClickEvent.getType());
+
+		MenuBar options = new MenuBar(true);
+		ScheduledCommand openCommand = new ScheduledCommand() {
+
+			@Override
+			public void execute() {
+				GWT.log("Context menu shown: " + itemContextMenu);
+				// AbstractItemsCellTable.this.eventBus.fireEvent(new
+				// org.gcube.portlets.widgets.wsexplorer.client.event.LoadFolderEvent<T>(itemContextMenu));
+			}
+		};
+
+		MenuItem openItem = new MenuItem("Open", openCommand);
+		options.addItem(openItem);
+		final DialogBox menuWrapper = new DialogBox(true);
+		menuWrapper.getElement().getStyle().setBorderStyle(BorderStyle.NONE);
+		menuWrapper.getElement().getStyle().setZIndex(10000);
+		menuWrapper.add(options);
+		sortedCellTable.sinkEvents(Event.ONCONTEXTMENU);
+
+		sortedCellTable.addHandler(new ContextMenuHandler() {
+			@Override
+			public void onContextMenu(ContextMenuEvent event) {
+			}
+		}, ContextMenuEvent.getType());
+
+	}
+
+//	/**
+//	 * Update items.
+//	 *
+//	 * @param items          the items
+//	 * @param removeOldItems the remove old items
+//	 */
+//	public void updateItems(List<T> items, boolean removeOldItems) {
+//
+//		if (removeOldItems) {
+//			if (theSelectionModel instanceof SingleSelectionModel) {
+//				((SingleSelectionModel<T>) theSelectionModel).clear();
+//			} else if (theSelectionModel instanceof MultiSelectionModel) {
+//				((MultiSelectionModel<T>) theSelectionModel).clear();
+//			}
+//		}
+//		sortedCellTable.setList(items);
+//		sortedCellTable.setPageSize(items.size() + 1);
+//		sortedCellTable.redraw();
+//	}
+
+	/**
+	 * Gets the cell tables.
+	 *
+	 * @return the cell tables
+	 */
+	public SortedCellTable<T> getCellTable() {
+		return sortedCellTable;
+	}
+
+	/**
+	 * Checks if is fire event on click.
+	 *
+	 * @return the fireEventOnClick
+	 */
+	public boolean isFireEventOnClick() {
+
+		return fireEventOnClick;
+	}
+
+	/**
+	 * Sets the fire event on click.
+	 *
+	 * @param fireEventOnClick the fireEventOnClick to set
+	 */
+	public void setFireEventOnClick(boolean fireEventOnClick) {
+
+		this.fireEventOnClick = fireEventOnClick;
+	}
+
+	/**
+	 * Adds the items.
+	 *
+	 * @param items the items
+	 */
+	public void addItems(List<T> items) {
+
+		AbstractDataProvider<T> dataProvider = sortedCellTable.getDataProvider();
+
+		if (dataProvider instanceof ListDataProvider) {
+			List<T> ldp = ((ListDataProvider<T>) dataProvider).getList();
+			for (int i = 0; i < items.size(); i++) {
+				ldp.add(i, items.get(i));
+			}
+
+			sortedCellTable.setPageSize(items.size() + 1);
+			sortedCellTable.redraw();
+		} else if (dataProvider instanceof AsyncDataProvider) {
+
+			// TODO ???
+
+		}
+	}
+}

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

@@ -0,0 +1,546 @@
+/**
+ *
+ */
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.Date;
+import java.util.List;
+import java.util.Set;
+
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ContentModeratorWidgetConstants;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowItemEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.resources.ContentModeratorWidgetResources;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.SelectionItems;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
+
+import com.github.gwtbootstrap.client.ui.Pagination;
+import com.google.gwt.cell.client.ButtonCell;
+import com.google.gwt.cell.client.Cell.Context;
+import com.google.gwt.cell.client.CheckboxCell;
+import com.google.gwt.cell.client.DateCell;
+import com.google.gwt.cell.client.FieldUpdater;
+import com.google.gwt.core.shared.GWT;
+import com.google.gwt.dom.client.Style.Unit;
+import com.google.gwt.event.shared.HandlerManager;
+import com.google.gwt.i18n.client.DateTimeFormat;
+import com.google.gwt.resources.client.ImageResource;
+import com.google.gwt.safehtml.shared.SafeHtml;
+import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
+import com.google.gwt.safehtml.shared.SafeHtmlUtils;
+import com.google.gwt.user.cellview.client.Column;
+import com.google.gwt.user.cellview.client.ColumnSortEvent;
+import com.google.gwt.user.cellview.client.ColumnSortList.ColumnSortInfo;
+import com.google.gwt.user.cellview.client.SimplePager;
+import com.google.gwt.user.cellview.client.TextColumn;
+import com.google.gwt.user.client.ui.Image;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.view.client.AbstractDataProvider;
+import com.google.gwt.view.client.ListDataProvider;
+import com.google.gwt.view.client.MultiSelectionModel;
+import com.google.gwt.view.client.SelectionModel;
+import com.google.gwt.view.client.SingleSelectionModel;
+
+/**
+ * The Class ItemsTable.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 15, 2021
+ * @param <T> the generic type
+ */
+public class ItemsTable<T extends CatalogueDataset> extends AbstractItemsCellTable<T> implements SelectionItems {
+
+	private TextColumn<T> type;
+	private TextColumn<T> name;
+	private TextColumn<T> title;
+	private TextColumn<T> author;
+	public DateTimeFormat dtformat = DateTimeFormat.getFormat("dd MMM hh:mm aaa yyyy");
+	public ImageResource info = ContentModeratorWidgetResources.ICONS.infoSquare();
+
+	private AbstractDataProvider<T> dataProvider;
+
+	private List<DISPLAY_FIELD> displayFields;
+	private Column<T, Date> createdColumn;
+	private Column<T, Date> lastUpdateColumn;
+	private DISPLAY_FIELD startSortByColumn;
+	private boolean isAsyncronusTable;
+
+	/**
+	 * Instantiates a new items table.
+	 *
+	 * @param eventBus          the event bus
+	 * @param fields            the fields
+	 * @param startSortByColumn the start sort by column
+	 */
+	public ItemsTable(HandlerManager eventBus, DISPLAY_FIELD[] fields, DISPLAY_FIELD startSortByColumn) {
+		this.eventBus = eventBus;
+		this.startSortByColumn = startSortByColumn;
+		setDisplayFields(fields);
+	}
+
+	/**
+	 * Adds the items.
+	 *
+	 * @param items the items
+	 */
+	public void addItems(List<T> items) {
+		super.addItems(items);
+	}
+
+	/**
+	 * Inits the table.
+	 *
+	 * @param pager        the pager
+	 * @param pagination   the pagination
+	 * @param dataProvider the data provider
+	 */
+	@Override
+	public void initTable(final SimplePager pager, final Pagination pagination, AbstractDataProvider<T> dataProvider) {
+		this.dataProvider = dataProvider;
+		this.theSelectionModel = new MultiSelectionModel<T>();
+		initAbstractTable(eventBus, fireEventOnClick, dataProvider, theSelectionModel,
+				ContentModeratorWidgetConstants.ITEMS_PER_PAGE);
+		this.dataProvider.addDataDisplay(sortedCellTable);
+
+		this.isAsyncronusTable = dataProvider instanceof ListDataProvider ? false : true;
+		setEmptyTableMessage(ContentModeratorWidgetConstants.NO_DATA);
+
+		final CheckboxCell cellCheckBox = new CheckboxCell(true, false);
+		Column<T, Boolean> checkColumn = new Column<T, Boolean>(cellCheckBox) {
+			@Override
+			public Boolean getValue(T object) {
+				// Get the value from the selection model.
+				return theSelectionModel.isSelected(object);
+			}
+
+			@Override
+			public void render(Context context, T object, SafeHtmlBuilder sb) {
+				super.render(context, object, sb);
+				GWT.log("added checkbox: " + cellCheckBox + " to object: " + object);
+			}
+
+		};
+
+		sortedCellTable.addColumn(checkColumn, "", false);
+		sortedCellTable.setColumnWidth(checkColumn, 40, Unit.PX);
+
+		ButtonCell previewButton = new ButtonCell();
+		Column<T, String> showdItemColumn = new Column<T, String>(previewButton) {
+			public String getValue(T object) {
+				return "Show";
+			}
+		};
+
+		showdItemColumn.setFieldUpdater(new FieldUpdater<T, String>() {
+			@Override
+			public void update(int index, T object, String value) {
+				GWT.log("clicked show");
+				eventBus.fireEvent(new ShowItemEvent<T>(Arrays.asList(object), false));
+			}
+		});
+		sortedCellTable.addColumn(showdItemColumn);
+		sortedCellTable.setColumnWidth(showdItemColumn, 80, Unit.PX);
+
+		if (this.displayFields.contains(DISPLAY_FIELD.NAME)) {
+
+			// NAME
+			name = new TextColumn<T>() {
+				@Override
+				public String getValue(T object) {
+					if (object == null)
+						return "";
+					return ((CatalogueDataset) object).getName();
+				}
+
+				// ADDING TOOLTIP
+				@Override
+				public void render(com.google.gwt.cell.client.Cell.Context context, T object, SafeHtmlBuilder sb) {
+					if (object == null)
+						return;
+					sb.appendHtmlConstant("<div title=\"" + ((CatalogueDataset) object).getName() + "\">");
+					super.render(context, object, sb);
+					sb.appendHtmlConstant("</div>");
+				};
+			};
+
+			sortedCellTable.addColumn(name, "Name", true);
+
+			if (!isAsyncronusTable) {
+				Comparator<T> c = new Comparator<T>() {
+					@Override
+					public int compare(T o1, T o2) {
+						return ((CatalogueDataset) o1).getName().compareTo(((CatalogueDataset) o2).getName());
+					}
+				};
+
+				sortedCellTable.setComparator(name, c);
+			}
+
+		}
+
+		if (this.displayFields.contains(DISPLAY_FIELD.TITLE)) {
+
+			title = new TextColumn<T>() {
+				@Override
+				public String getValue(T object) {
+					if (object == null)
+						return "";
+					return ((CatalogueDataset) object).getTitle() != null ? ((CatalogueDataset) object).getTitle() : "";
+				}
+			};
+
+			sortedCellTable.addColumn(title, "Title", true);
+
+			if (!isAsyncronusTable) {
+				Comparator<T> c = new Comparator<T>() {
+					@Override
+					public int compare(T o1, T o2) {
+						return ((CatalogueDataset) o1).getTitle().compareTo(((CatalogueDataset) o2).getTitle());
+					}
+				};
+				sortedCellTable.setComparator(title, c);
+			}
+
+		}
+
+		if (this.displayFields.contains(DISPLAY_FIELD.AUTHOR)) {
+
+			author = new TextColumn<T>() {
+				@Override
+				public String getValue(T object) {
+					if (object == null)
+						return "";
+					return ((CatalogueDataset) object).getAuthor() != null ? ((CatalogueDataset) object).getAuthor()
+							: "";
+				}
+			};
+
+			sortedCellTable.addColumn(author, "Author", true);
+
+			if (!isAsyncronusTable) {
+				Comparator<T> c = new Comparator<T>() {
+					@Override
+					public int compare(T o1, T o2) {
+						return ((CatalogueDataset) o1).getAuthor().compareTo(((CatalogueDataset) o2).getAuthor());
+					}
+				};
+				sortedCellTable.setComparator(author, c);
+			}
+
+		}
+
+		if (this.displayFields.contains(DISPLAY_FIELD.CREATED)) {
+
+			DateCell date = new DateCell(dtformat);
+			createdColumn = new Column<T, Date>(date) {
+
+				@Override
+				public Date getValue(T object) {
+					if (object == null)
+						return null;
+
+					return new Date(((CatalogueDataset) object).getCreated());
+				}
+			};
+			sortedCellTable.addColumn(createdColumn, "Created", true);
+
+			if (!isAsyncronusTable) {
+				Comparator<T> c = new Comparator<T>() {
+					@Override
+					public int compare(T o1, T o2) {
+						if (o1 == null || o1.getCreated() == 0)
+							return -1;
+
+						if (o2 == null || o2.getCreated() == 0)
+							return 1;
+
+						Date d1 = new Date(((CatalogueDataset) o1).getCreated());
+						Date d2 = new Date(((CatalogueDataset) o2).getCreated());
+
+						// GWT.log(d1.toString() + "is after "+d2.toString() +" ? "+d2.after(d1));
+
+						if (d1.after(d2))
+							return 1;
+						else
+							return -1;
+					}
+				};
+				GWT.log("date colum sortable");
+				sortedCellTable.setComparator(createdColumn, c);
+			}
+
+		}
+
+		if (this.displayFields.contains(DISPLAY_FIELD.LAST_UPDATE)) {
+
+			DateCell date = new DateCell(dtformat);
+			lastUpdateColumn = new Column<T, Date>(date) {
+
+				@Override
+				public Date getValue(T object) {
+					if (object == null)
+						return null;
+
+					return new Date(((CatalogueDataset) object).getLastUpdate());
+				}
+			};
+			sortedCellTable.addColumn(lastUpdateColumn, "Last Update", true);
+
+			if (!isAsyncronusTable) {
+				Comparator<T> c = new Comparator<T>() {
+					@Override
+					public int compare(T o1, T o2) {
+						if (o1 == null || o1.getCreated() == 0)
+							return -1;
+
+						if (o2 == null || o2.getCreated() == 0)
+							return 1;
+
+						Date d1 = new Date(((CatalogueDataset) o1).getLastUpdate());
+						Date d2 = new Date(((CatalogueDataset) o2).getLastUpdate());
+
+						// GWT.log(d1.toString() + "is after "+d2.toString() +" ? "+d2.after(d1));
+
+						if (d1.after(d2))
+							return 1;
+						else
+							return -1;
+					}
+				};
+				GWT.log("date colum sortable");
+				sortedCellTable.setComparator(lastUpdateColumn, c);
+			}
+
+		}
+
+		if (this.displayFields.contains(DISPLAY_FIELD.TYPE)) {
+
+			// NAME
+			type = new TextColumn<T>() {
+				@Override
+				public String getValue(T object) {
+					if (object == null)
+						return "";
+
+					String type = ((CatalogueDataset) object).getExtra_SystemType();
+
+					if (type == null)
+						return "";
+					return type;
+				}
+
+				// ADDING TOOLTIP
+				@Override
+				public void render(com.google.gwt.cell.client.Cell.Context context, T object, SafeHtmlBuilder sb) {
+					if (object == null)
+						return;
+					String type = ((CatalogueDataset) object).getExtra_SystemType();
+					if (type == null)
+						type = "";
+					sb.appendHtmlConstant("<div title=\"" + type + "\">");
+					super.render(context, object, sb);
+					sb.appendHtmlConstant("</div>");
+				};
+			};
+
+			sortedCellTable.addColumn(type, "Type", true);
+
+			if (!isAsyncronusTable) {
+				Comparator<T> c = new Comparator<T>() {
+					@Override
+					public int compare(T o1, T o2) {
+						if (o1 == null || o1.getExtra_SystemType() == null)
+							return -1;
+
+						if (o2 == null || o2.getExtra_SystemType() == null)
+							return 1;
+						return ((CatalogueDataset) o1).getExtra_SystemType()
+								.compareTo(((CatalogueDataset) o2).getExtra_SystemType());
+					}
+				};
+
+				sortedCellTable.setComparator(type, c);
+			}
+
+		}
+
+		GWT.log("startSortByColumn: " + startSortByColumn);
+
+		if (startSortByColumn != null)
+			switch (startSortByColumn) {
+			case NAME:
+				if (this.displayFields.contains(DISPLAY_FIELD.NAME)) {
+					sortedCellTable.setInitialSortColumn(name);
+				}
+				break;
+			case TITLE:
+				if (this.displayFields.contains(DISPLAY_FIELD.TITLE)) {
+					sortedCellTable.setInitialSortColumn(title);
+				}
+				break;
+			case AUTHOR:
+				if (this.displayFields.contains(DISPLAY_FIELD.AUTHOR)) {
+					sortedCellTable.setInitialSortColumn(author);
+				}
+				break;
+			case TYPE:
+				if (this.displayFields.contains(DISPLAY_FIELD.TYPE)) {
+					sortedCellTable.setInitialSortColumn(type);
+				}
+				break;
+			case CREATED:
+				if (this.displayFields.contains(DISPLAY_FIELD.CREATED)) {
+					sortedCellTable.setDefaultSortOrder(createdColumn, false); // sorts ascending on first click
+					sortedCellTable.setInitialSortColumn(createdColumn);
+					GWT.log("sortedCellTable: " + sortedCellTable);
+				}
+				break;
+			case LAST_UPDATE:
+				if (this.displayFields.contains(DISPLAY_FIELD.LAST_UPDATE)) {
+					sortedCellTable.setDefaultSortOrder(lastUpdateColumn, false); // sorts ascending on first click
+					sortedCellTable.setInitialSortColumn(lastUpdateColumn);
+					GWT.log("sortedCellTable: " + sortedCellTable);
+				}
+				break;
+			default:
+				break;
+			}
+
+	}
+
+	/**
+	 * Displays the appropriate sorted icon in the header of the column for the
+	 * given index.
+	 *
+	 * @param columnIndex of the column to mark as sorted
+	 * @param ascending   <code>true</code> for ascending icon, <code>false</code>
+	 *                    for descending icon
+	 */
+	public void setSortedColumn(int columnIndex, boolean ascending) {
+		GWT.log("Column index: " + columnIndex);
+		GWT.log("ascending: " + ascending);
+		Column<T, ?> column = sortedCellTable.getColumn(columnIndex);
+		if (column != null && column.isSortable()) {
+			ColumnSortInfo info = sortedCellTable.getColumnSortList().push(column);
+//	           ColumnSortEvent.fire(cellTable, cellTable.getColumnSortList());
+			GWT.log("info.isAscending(): " + info.isAscending());
+			if (info.isAscending() != ascending) {
+				sortedCellTable.getColumnSortList().push(column);
+				ColumnSortEvent.fire(sortedCellTable, sortedCellTable.getColumnSortList());
+			}
+		}
+	}
+
+	/**
+	 * Sets the display fields.
+	 *
+	 * @param fields the new display fields
+	 */
+	public void setDisplayFields(DISPLAY_FIELD[] fields) {
+		this.displayFields = fields != null && fields.length > 0 ? Arrays.asList(fields)
+				: Arrays.asList(DISPLAY_FIELD.values());
+	}
+
+	/**
+	 * Reset columns table.
+	 */
+	public void reInitColumnsTable() {
+		int count = sortedCellTable.getColumnCount();
+		for (int i = 0; i < count; i++) {
+			sortedCellTable.removeColumn(0);
+		}
+		initTable(null, null, dataProvider);
+	}
+
+	/**
+	 * Gets the display fields.
+	 *
+	 * @return the displayFields
+	 */
+	public List<DISPLAY_FIELD> getDisplayFields() {
+		return displayFields;
+	}
+
+	/**
+	 * The Class ButtonImageCell.
+	 *
+	 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it Feb 1, 2016
+	 */
+	public class ButtonImageCell extends ButtonCell {
+
+		/**
+		 * Render.
+		 *
+		 * @param context the context
+		 * @param value   the value
+		 * @param sb      the sb
+		 */
+		/*
+		 * (non-Javadoc)
+		 * 
+		 * @see
+		 * com.google.gwt.cell.client.AbstractSafeHtmlCell#render(com.google.gwt.cell.
+		 * client.Cell.Context, java.lang.Object,
+		 * com.google.gwt.safehtml.shared.SafeHtmlBuilder)
+		 */
+		@Override
+		public void render(com.google.gwt.cell.client.Cell.Context context, String value, SafeHtmlBuilder sb) {
+			SafeHtml html = SafeHtmlUtils.fromTrustedString(new Image(value).toString());
+			sb.append(html);
+		}
+	}
+
+	/**
+	 * Gets the selected item.
+	 *
+	 * @return the selected item
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.gcube.portlets.widgets.wsexplorer.client.notification.
+	 * SelectionItemHandler#getSelectionItem()
+	 */
+	@Override
+	public List<T> getSelectedItems() {
+		if (theSelectionModel instanceof SingleSelectionModel) {
+			T selected = ((SingleSelectionModel<T>) theSelectionModel).getSelectedObject();
+			if (selected != null) {
+				return Arrays.asList(selected);
+			}
+
+		} else if (theSelectionModel instanceof MultiSelectionModel) {
+			Set<T> selected = ((MultiSelectionModel<T>) theSelectionModel).getSelectedSet();
+			if (selected != null) {
+				return new ArrayList<T>(selected);
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * Sets the empty table message.
+	 *
+	 * @param msg the new empty table message
+	 */
+	public void setEmptyTableMessage(String msg) {
+		msg = msg != null ? msg : ContentModeratorWidgetConstants.NO_DATA;
+		if (sortedCellTable != null)
+			sortedCellTable.setEmptyTableWidget(new Label(msg));
+	}
+
+	/**
+	 * Gets the selection model.
+	 *
+	 * @return the selection model
+	 */
+	public SelectionModel<T> getSelectionModel() {
+		return theSelectionModel;
+	}
+
+}

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

@@ -0,0 +1,83 @@
+/**
+ *
+ */
+
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table;
+
+import com.google.gwt.cell.client.Cell;
+import com.google.gwt.cell.client.Cell.Context;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.safehtml.client.SafeHtmlTemplates;
+import com.google.gwt.safehtml.shared.SafeHtml;
+import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
+import com.google.gwt.user.cellview.client.Column;
+
+
+/**
+ * The Class MyToolTipColumn.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 15, 2021
+ * @param <T> the generic type
+ * @param <C> the generic type
+ */
+public abstract class MyToolTipColumn<T, C> extends Column<T, C> {
+
+	/**
+	 * The Interface Templates.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Jun 15, 2021
+	 */
+	interface Templates extends SafeHtmlTemplates {
+
+		/**
+		 * Start tool tip.
+		 *
+		 * @param toolTipText the tool tip text
+		 * @return the safe html
+		 */
+		@Template("<div title=\"{0}\">")
+		SafeHtml startToolTip(String toolTipText);
+
+		/**
+		 * End tool tip.
+		 *
+		 * @return the safe html
+		 */
+		@Template("</div>")
+		SafeHtml endToolTip();
+	}
+
+	private static final Templates TEMPLATES = GWT.create(Templates.class);
+	private final String toolTipText;
+
+	/**
+	 * Instantiates a new my tool tip column.
+	 *
+	 * @param cell        the cell
+	 * @param toolTipText the tool tip text
+	 */
+	public MyToolTipColumn(final Cell<C> cell, final String toolTipText) {
+
+		super(cell);
+		this.toolTipText = toolTipText;
+	}
+
+	/**
+	 * Render.
+	 *
+	 * @param context the context
+	 * @param object  the object
+	 * @param sb      the sb
+	 */
+	@Override
+	public void render(final Context context, final T object, final SafeHtmlBuilder sb) {
+
+		sb.append(TEMPLATES.startToolTip(toolTipText));
+		super.render(context, object, sb);
+		sb.append(TEMPLATES.endToolTip());
+	}
+}

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

@@ -0,0 +1,302 @@
+/**
+ *
+ */
+
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table;
+
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.gcube.portlets.widgets.ckancontentmoderator.client.resources.CellTableResources;
+
+import com.github.gwtbootstrap.client.ui.CellTable;
+import com.google.gwt.user.cellview.client.Column;
+import com.google.gwt.user.cellview.client.ColumnSortEvent;
+import com.google.gwt.user.cellview.client.ColumnSortEvent.AsyncHandler;
+import com.google.gwt.user.cellview.client.ColumnSortEvent.ListHandler;
+import com.google.gwt.user.cellview.client.ColumnSortList.ColumnSortInfo;
+import com.google.gwt.user.cellview.client.Header;
+import com.google.gwt.view.client.AbstractDataProvider;
+import com.google.gwt.view.client.AsyncDataProvider;
+import com.google.gwt.view.client.ListDataProvider;
+
+/**
+ * The Class SortedCellTable.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 15, 2021
+ * @param <T> the generic type
+ */
+public class SortedCellTable<T> extends CellTable<T> {
+
+	/**
+	 * To keep track of the currently sorted column
+	 */
+	private Column<T, ?> currentlySortedColumn;
+	/**
+	 * Tells us which way to sort a column initially
+	 */
+	private Map<Column<T, ?>, Boolean> defaultSortOrderMap = new HashMap<Column<T, ?>, Boolean>();
+	/**
+	 * Comparators associated with their columns
+	 */
+	private Map<Column<T, ?>, Comparator<T>> comparators = new HashMap<Column<T, ?>, Comparator<T>>();
+	/**
+	 * Column to sort when the data provider's list is refreshed using
+	 * {@link SortedCellTable#setList(List)}
+	 */
+	private Column<T, ?> initialSortColumn;
+	/**
+	 * Data provider we will attach to this table
+	 */
+	private AbstractDataProvider<T> dataProvider;
+
+	/**
+	 * Special column sorting handler that will allow us to do more controlled
+	 * sorting
+	 */
+	private ColumnSortEvent.Handler columnSortHandler;
+
+	/**
+	 * Instantiates a new sorted cell table.
+	 *
+	 * @param pageSize the page size
+	 * @param dataProv the data prov
+	 */
+	public SortedCellTable(int pageSize, AbstractDataProvider<T> dataProv) {
+		super(pageSize, CellTableResources.INSTANCE);
+		this.dataProvider = dataProv;
+
+		if (this.dataProvider instanceof ListDataProvider) {
+			ListDataProvider<T> listDataProvider = (ListDataProvider<T>) this.dataProvider;
+			ListHandler<T> listSortHandler = new ListHandler<T>((listDataProvider).getList()) {
+
+				@Override
+				public void onColumnSort(ColumnSortEvent event) {
+
+					@SuppressWarnings("unchecked")
+					Column<T, ?> column = (Column<T, ?>) event.getColumn();
+					if (column == null) {
+						return;
+					}
+					if (column.equals(currentlySortedColumn)) {
+						// Default behavior
+						super.onColumnSort(event);
+					} else {
+						// Initial sort; look up which direction we need
+						final Comparator<T> comparator = comparators.get(column);
+						if (comparator == null) {
+							return;
+						}
+						Boolean ascending = defaultSortOrderMap.get(column);
+						if (ascending == null || ascending) {
+							// Default behavior
+							super.onColumnSort(event);
+						} else {
+							// Sort the column descending
+							Collections.sort(getList(), new Comparator<T>() {
+
+								public int compare(T o1, T o2) {
+
+									return -comparator.compare(o1, o2);
+								}
+							});
+							// Set the proper arrow in the header
+							getColumnSortList().push(new ColumnSortInfo(column, false));
+						}
+						currentlySortedColumn = column;
+					}
+				}
+
+				@Override
+				public void setComparator(Column<T, ?> column, Comparator<T> comparator) {
+
+					comparators.put(column, comparator);
+					super.setComparator(column, comparator);
+				}
+			};
+			addColumnSortHandler(listSortHandler);
+			columnSortHandler = listSortHandler;
+		} else if (this.dataProvider instanceof AsyncDataProvider) {
+			//AsyncDataProvider asyncDataProvider = ((AsyncDataProvider) this.dataProvider);
+			//asyncDataProvider.get
+			AsyncHandler asyncSortHandler = new AsyncHandler(this) {
+				@Override
+				public void onColumnSort(ColumnSortEvent event) {
+
+					@SuppressWarnings("unchecked")
+					Column<T, ?> column = (Column<T, ?>) event.getColumn();
+					if (column == null) {
+						return;
+					}
+					if (column.equals(currentlySortedColumn)) {
+						// Default behavior
+						super.onColumnSort(event);
+					} else {
+						// Initial sort; look up which direction we need
+						final Comparator<T> comparator = comparators.get(column);
+						if (comparator == null) {
+							return;
+						}
+						Boolean ascending = defaultSortOrderMap.get(column);
+						if (ascending == null || ascending) {
+							// Default behavior
+							super.onColumnSort(event);
+						} else {
+							// Sort the column descending
+							Collections.sort(getVisibleItems(), new Comparator<T>() {
+
+								public int compare(T o1, T o2) {
+
+									return -comparator.compare(o1, o2);
+								}
+							});
+							// Set the proper arrow in the header
+							getColumnSortList().push(new ColumnSortInfo(column, false));
+						}
+						currentlySortedColumn = column;
+					}
+				}
+			};
+			
+//			addColumnSortHandler(asyncSortHandler);
+//			columnSortHandler = asyncSortHandler;
+		}
+
+	}
+
+	/**
+	 * Adds a column to the table and sets its sortable state.
+	 *
+	 * @param column     the column
+	 * @param headerName the header name
+	 * @param sortable   the sortable
+	 */
+	public void addColumn(Column<T, ?> column, String headerName, boolean sortable) {
+
+		addColumn(column, headerName);
+		column.setSortable(sortable);
+		if (sortable) {
+			defaultSortOrderMap.put(column, true);
+		}
+	}
+
+	/**
+	 * Adds the column.
+	 *
+	 * @param column     the column
+	 * @param headerName the header name
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * com.google.gwt.user.cellview.client.AbstractCellTable#addColumn(com.google.
+	 * gwt.user.cellview.client.Column, java.lang.String)
+	 */
+	public void addColumn(Column<T, ?> column, String headerName) {
+
+		super.addColumn(column, headerName);
+	}
+
+	/**
+	 * Adds a column to the table and sets its sortable state.
+	 *
+	 * @param column   the column
+	 * @param header   the header
+	 * @param sortable the sortable
+	 */
+	public void addColumn(Column<T, ?> column, Header<?> header, boolean sortable) {
+
+		addColumn(column, header);
+		column.setSortable(sortable);
+		if (sortable) {
+			defaultSortOrderMap.put(column, true);
+		}
+	}
+
+	/**
+	 * Sets the column to sort when the data list is reset using
+	 * {@link SortedCellTable#setList(List)}.
+	 *
+	 * @param column the column
+	 */
+	public void setInitialSortColumn(Column<T, ?> column) {
+
+		initialSortColumn = column;
+	}
+	
+    /**
+     * Set the comparator used to sort the specified column in ascending order.
+     * 
+     * @param column the {@link Column}
+     * @param comparator the {@link Comparator} to use for the {@link Column}
+     */
+    public void setComparator(Column<T, ?> column, Comparator<T> comparator) {
+      comparators.put(column, comparator);
+    }
+
+	/**
+	 * Sets the sort order to use when this column is clicked and it was not
+	 * previously sorted.
+	 *
+	 * @param column    the column
+	 * @param ascending the ascending
+	 */
+	public void setDefaultSortOrder(Column<T, ?> column, boolean ascending) {
+
+		defaultSortOrderMap.put(column, ascending);
+	}
+
+	/**
+	 * Sets the table's data provider list and sorts the table based on the column
+	 * given in {@link SortedCellTable#setInitialSortColumn(Column)}.
+	 *
+	 * @param list the new list
+	 */
+	public void setList(List<T> list) {
+
+		if (dataProvider instanceof ListDataProvider) {
+			List<T> myData = ((ListDataProvider) dataProvider).getList();
+			myData.clear();
+			if (list != null) {
+				/*
+				 * for (T t : list) { dataProvider.getList().add(t); }
+				 */
+				myData.addAll(list);
+			}
+			// Do a first-time sort based on which column was set in
+			// setInitialSortColumn()
+			if (initialSortColumn != null) {
+				Collections.sort(myData, new Comparator<T>() {
+
+					@Override
+					public int compare(T o1, T o2) {
+
+						return (defaultSortOrderMap.get(initialSortColumn) ? 1 : -1)
+								* comparators.get(initialSortColumn).compare(o1, o2);
+					}
+				});
+				// Might as well get the little arrow on the header to make it
+				// official
+				getColumnSortList().push(new ColumnSortInfo(initialSortColumn, defaultSortOrderMap.get(initialSortColumn)));
+
+				currentlySortedColumn = initialSortColumn;
+			}
+		}
+	}
+
+	/**
+	 * Gets the data provider.
+	 *
+	 * @return the data provider
+	 */
+	public AbstractDataProvider<T> getDataProvider() {
+
+		return dataProvider;
+	}
+}

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/LoadingPanel.java

@@ -0,0 +1,37 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util;
+
+import org.gcube.portlets.widgets.ckancontentmoderator.client.resources.ContentModeratorWidgetResources;
+
+import com.google.gwt.dom.client.Style.Unit;
+import com.google.gwt.user.client.ui.HTML;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.Image;
+
+/**
+ * The Class LoadingPanel.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 16, 2021
+ */
+public class LoadingPanel extends HorizontalPanel {
+
+	protected final Image LOADING_IMAGE = ContentModeratorWidgetResources.getIconLoading().createImage();
+
+	/**
+	 * Instantiates a new loading panel.
+	 *
+	 * @param html the html
+	 */
+	public LoadingPanel(HTML html) {
+		this.getElement().getStyle().setMargin(5.0, Unit.PX);
+//		LOADING_PANEL.setSpacing(3);
+		this.add(LOADING_IMAGE);
+
+		if (html == null)
+			html = new HTML("Loading...");
+
+		html.getElement().getStyle().setPaddingLeft(5.0, Unit.PX);
+		this.add(html);
+	}
+}

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

@@ -0,0 +1,75 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+
+
+/**
+ * The Class UtilFunct.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 22, 2021
+ */
+public class UtilFunct {
+
+	/**
+	 * Ellipsis.
+	 *
+	 * @param value  the value
+	 * @param length the length
+	 * @param left   the left
+	 * @return the string
+	 */
+	public static String ellipsis(String value, int length, boolean left) {
+		if (value.length() < 3)
+			return value;
+
+		if (value.length() > length) {
+			if (left)
+				return "..." + value.substring(value.length() - length + 3);
+			else
+				return value.substring(0, length) + "...";
+		}
+		return value;
+	}
+
+	/**
+	 * To status from status label.
+	 *
+	 * @param label the label
+	 * @return the item status
+	 */
+	public static ItemStatus toStatusFromStatusLabel(String label) {
+
+		for (ItemStatus theStatus : ItemStatus.values()) {
+			if (theStatus.getLabel().compareTo(label.trim()) == 0) {
+				return theStatus;
+
+			}
+		}
+
+		return null;
+	}
+
+	
+	/**
+	 * To list dataset names.
+	 *
+	 * @param itemsSelected the items selected
+	 * @return the list
+	 */
+	public static List<String> toListDatasetNames(List<CatalogueDataset> itemsSelected) {
+
+		List<String> listDatasetNames = new ArrayList<String>(itemsSelected.size());
+		for (CatalogueDataset catalogueDataset : itemsSelected) {
+			listDatasetNames.add(catalogueDataset.getName());
+		}
+
+		return listDatasetNames;
+	}
+
+}

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);
+		}
+	}
+
+}

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

@@ -0,0 +1,209 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.util;
+
+import java.util.Arrays;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ContentModeratorWidgetConstants;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.DISPLAY_FIELD;
+
+import com.google.gwt.core.client.GWT;
+
+/**
+ * The Class ModerationQueryStringUtil.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         May 4, 2022
+ */
+public class ModerationQueryStringUtil {
+
+	public static final String MODERATION_PARAMETER = "moderation";
+	public static final String ITEM_NAME_PARAMETER = "item_name";
+	public static final String STATUS_PARAMETER = "status";
+
+	/**
+	 * The Enum MODERATION_VALUE.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         May 4, 2022
+	 */
+	public enum MODERATION_VALUE {
+		show
+	}
+
+	/**
+	 * Instantiates a new moderation query string util.
+	 */
+	public ModerationQueryStringUtil() {
+	}
+
+	/**
+	 * To moderation builder.
+	 *
+	 * @param decodedQueryString the decoded query string
+	 * @return the moderation builder
+	 */
+	public ModerationBuilder toModerationBuilder(String decodedQueryString) {
+		ModerationBuilder mbuilder = null;
+
+		if (decodedQueryString == null || decodedQueryString.isEmpty())
+			return null;
+
+		String moderationValue = QueryStringUtil.getValueOfParameterInTheURL(MODERATION_PARAMETER, decodedQueryString);
+
+		MODERATION_VALUE toModerationValue = null;
+		// Moderation parameter in the query string has a not empty value
+		if (moderationValue != null) {
+			try {
+				toModerationValue = MODERATION_VALUE.valueOf(moderationValue.toLowerCase());
+			} catch (Exception e) {
+				GWT.log("Moderation value: " + moderationValue + " is not a value of " + MODERATION_VALUE.values());
+			}
+		}
+
+		if (toModerationValue != null) {
+
+			mbuilder = new ModerationBuilder();
+
+			String itemNameValue = QueryStringUtil.getValueOfParameterInTheURL(ITEM_NAME_PARAMETER, decodedQueryString);
+			if (itemNameValue != null) {
+				mbuilder.setItemName(itemNameValue);
+			}
+
+			String statusValue = QueryStringUtil.getValueOfParameterInTheURL(STATUS_PARAMETER, decodedQueryString);
+			if (statusValue != null) {
+				try {
+					ItemStatus theStatus = ItemStatus.valueOf(statusValue.toUpperCase());
+					mbuilder.setItemStatus(theStatus);
+				} catch (Exception e) {
+					GWT.log("Error on assigning "+ItemStatus.values() +" from string "+statusValue);
+				}
+
+			}
+		}
+
+		return mbuilder;
+	}
+
+	/**
+	 * The Class ModerationBuilder.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         May 4, 2022
+	 */
+	public class ModerationBuilder {
+
+		private ItemStatus itemStatus = ItemStatus.PENDING;
+		private String itemName = null;
+		private DISPLAY_FIELD[] displayFields = DISPLAY_FIELD.values();
+		private DISPLAY_FIELD[] sortByFields = ContentModeratorWidgetConstants.DEFAULT_SORT_BY_FIELDS;
+
+		/**
+		 * Instantiates a new moderation builder.
+		 */
+		ModerationBuilder() {
+
+		}
+
+		/**
+		 * Gets the item name.
+		 *
+		 * @return the item name
+		 */
+		public String getItemName() {
+			return itemName;
+		}
+
+		/**
+		 * Sets the item name.
+		 *
+		 * @param itemName the new item name
+		 */
+		public void setItemName(String itemName) {
+			this.itemName = itemName;
+		}
+
+		/**
+		 * Gets the item status.
+		 *
+		 * @return the item status
+		 */
+		public ItemStatus getItemStatus() {
+			return itemStatus;
+		}
+
+		/**
+		 * Gets the display fields.
+		 *
+		 * @return the display fields
+		 */
+		public DISPLAY_FIELD[] getDisplayFields() {
+			return displayFields;
+		}
+
+		/**
+		 * Gets the sort by fields.
+		 *
+		 * @return the sort by fields
+		 */
+		public DISPLAY_FIELD[] getSortByFields() {
+			return sortByFields;
+		}
+
+		/**
+		 * Sets the item status.
+		 *
+		 * @param itemStatus the new item status
+		 */
+		public void setItemStatus(ItemStatus itemStatus) {
+			this.itemStatus = itemStatus;
+		}
+
+		/**
+		 * Sets the display fields.
+		 *
+		 * @param displayFields the new display fields
+		 */
+		public void setDisplayFields(DISPLAY_FIELD[] displayFields) {
+			this.displayFields = displayFields;
+		}
+
+		/**
+		 * Sets the sort by fields.
+		 *
+		 * @param sortByFields the new sort by fields
+		 */
+		public void setSortByFields(DISPLAY_FIELD[] sortByFields) {
+			this.sortByFields = sortByFields;
+		}
+
+		@Override
+		public String toString() {
+			StringBuilder builder = new StringBuilder();
+			builder.append("ModerationBuilder [itemStatus=");
+			builder.append(itemStatus);
+			builder.append(", itemName=");
+			builder.append(itemName);
+			builder.append(", displayFields=");
+			builder.append(Arrays.toString(displayFields));
+			builder.append(", sortByFields=");
+			builder.append(Arrays.toString(sortByFields));
+			builder.append("]");
+			return builder.toString();
+		}
+
+	}
+
+	/**
+	 * Base 64 decode.
+	 *
+	 * @param a the a
+	 * @return the string
+	 */
+	protected static native String base64decode(String a) /*-{
+		return window.atob(a);
+	}-*/;
+
+}

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

@@ -0,0 +1,71 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.util;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.http.client.URL;
+
+/**
+ * The Class QueryStringUtil.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         May 3, 2022
+ */
+public class QueryStringUtil {
+
+	/**
+	 * Gets the value of parameter in the URL.
+	 *
+	 * @param paramName the param name
+	 * @param url       the url
+	 * @return the value of parameter in the URL
+	 */
+	public static String getValueOfParameterInTheURL(String paramName, String url) {
+		int index = url.toLowerCase().indexOf(paramName.toLowerCase() + "="); // ADDING CHAR "=" IN TAIL TO BE SURE THAT
+																				// IT IS A PARAMETER
+		String value = null;
+		if (index > -1) {
+
+			int start = index + paramName.length() + 1; // add +1 for char '='
+			String sub = url.substring(start, url.length());
+			int indexOfSeparator = sub.indexOf("&");
+			int end = indexOfSeparator != -1 ? indexOfSeparator : sub.length();
+			value = sub.substring(0, end);
+		}
+
+		GWT.log("Returning value " + value + " for the parameter: " + paramName);
+		return value;
+	}
+
+	/**
+	 * Base 64 decode.
+	 *
+	 * @param a the a
+	 * @return the string
+	 */
+	private static native String base64decode(String a) /*-{
+		return window.atob(a);
+	}-*/;
+
+	/**
+	 * Base 64 decode query string.
+	 *
+	 * @param base64EncodedQueryString the base 64 encoded query string
+	 * @return the string
+	 */
+	public static String base64DecodeQueryString(String base64EncodedQueryString) {
+
+		if (base64EncodedQueryString != null && !base64EncodedQueryString.isEmpty()) {
+			String b64DecodedQueryStringParameter = base64decode(base64EncodedQueryString);
+			GWT.log("Base64 Decoded string is: " + b64DecodedQueryStringParameter);
+			b64DecodedQueryStringParameter = URL.decodeQueryString(b64DecodedQueryStringParameter); // equals should be
+																									// encoded too (%3D)
+			GWT.log("Decoded query string is: " + b64DecodedQueryStringParameter);
+
+			return b64DecodedQueryStringParameter;
+		}
+
+		return base64EncodedQueryString;
+
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/public/content-moderator-widget.css

@@ -0,0 +1,40 @@
+@charset "UTF-8";
+
+/*** TABLE ***/
+.table-cms-widget {
+	word-wrap: break-word;
+}
+
+.table-cms-widget th {
+	border-top: 1px solid black !important;
+}
+
+.table-cms-widget td, th {
+	overflow: hidden !important;
+}
+
+.table-cms-widget th {
+	text-align: center !important;
+}
+
+.table-cms-widget-vertical-middle td, th {
+	height: 50%;
+	vertical-align: middle !important;
+}
+
+.hide_checkbox input[type="checkbox"] {
+	display: none;
+}
+
+/***** WS EXPLORER DOCK PANEL - CENTER FLOW PANEL *****/
+.we-dock-center-panel {
+	overflow-y: auto !important;
+	/* 	border: 1px solid #DDD; */
+}
+
+.as_simple_link {
+	background: none !important;
+	border: none !important;
+	padding: 0 !important;
+	margin: 0 !important;
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/ActionRequired.java

@@ -0,0 +1,22 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.server;
+
+import java.io.Serializable;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+
+public class ActionRequired implements Serializable{
+	
+	
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 6975224903479593671L;
+	
+	String reasonMsg;
+	
+	ItemStatus from;
+	
+	ItemStatus to;
+	
+	
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/CatalogueBeansConverter.java

@@ -0,0 +1,58 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.server;
+
+import java.util.Map;
+import java.util.function.Function;
+
+import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class CatalogueBeansConverter {
+
+	private static Logger LOG = LoggerFactory.getLogger(CatalogueBeansConverter.class);
+
+	/** The to S sync folder descriptor. */
+	public static Function<CkanDataset, CatalogueDataset> toCatalogueDataset = new Function<CkanDataset, CatalogueDataset>() {
+
+		public CatalogueDataset apply(CkanDataset t) {
+			CatalogueDataset myDataset = new CatalogueDataset();
+			if (t == null) {
+				LOG.info("Input " + CkanDataset.class.getSimpleName() + " is null, returning empty "
+						+ CkanDataset.class.getSimpleName());
+				return myDataset;
+			}
+
+			myDataset.setAuthor(t.getAuthor());
+			myDataset.setAuthorEmail(t.getAuthorEmail());
+			
+			//is it needed??
+			myDataset.setExtra_ItemURL(null);
+			
+			System.out.println("Extras: "+t.getExtrasAsHashMap());
+			Map<String, String> extrasMap = t.getExtrasAsHashMap();
+			if(extrasMap!=null) {
+				String type = extrasMap.get("system:type");
+				myDataset.setExtra_SystemType(type);
+				String itemURL = extrasMap.get("Item URL");
+				myDataset.setExtra_ItemURL(itemURL);
+			}
+			
+			myDataset.setId(t.getId());
+			myDataset.setLicenseId(t.getLicenseId());
+			myDataset.setMaintainer(t.getMaintainer());
+			myDataset.setMaintainerEmail(t.getMaintainerEmail());
+			myDataset.setName(t.getName());
+			myDataset.setNotes(t.getNotes());
+			myDataset.setOwnerOrg(t.getOwnerOrg());
+			myDataset.setTitle(t.getTitle());
+			
+			//here is always null
+			myDataset.setUrl(t.getUrl());
+			myDataset.setCreated(t.getMetadataCreated().getTime());
+			myDataset.setLastUpdate(t.getMetadataModified().getTime());
+			return myDataset;
+		}
+	};
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/CatalogueCMSFactory.java

@@ -0,0 +1,112 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.server;
+
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.gcube.datacatalogue.utillibrary.server.DataCatalogueImpl;
+import org.gcube.datacatalogue.utillibrary.server.cms.CatalogueContentModeratorSystem;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * A factory for getting CatalogueContentModeratorSystem objects.
+ * 
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 14, 2021
+ */
+public class CatalogueCMSFactory {
+
+	private static final Logger logger = LoggerFactory.getLogger(CatalogueCMSFactory.class);
+	private static final long MAX_LIFETIME = 1000 * 60 * 30; // 30 MINUTES
+	private static CatalogueCMSFactory instance = new CatalogueCMSFactory();
+	private static ConcurrentHashMap<String, CacheBean> cache;
+
+	/**
+	 * The Class CacheBean.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Jun 16, 2021
+	 */
+	private class CacheBean {
+		DataCatalogueImpl dataCatalogueImpl;
+		long ttl;
+
+		/**
+		 * Instantiates a new cache bean.
+		 *
+		 * @param ttl               the ttl
+		 * @param dataCatalogueImpl the data catalogue impl
+		 */
+		public CacheBean(long ttl, DataCatalogueImpl dataCatalogueImpl) {
+			this.ttl = ttl;
+			this.dataCatalogueImpl = dataCatalogueImpl;
+		}
+	}
+
+	/**
+	 * Private constructor.
+	 */
+	private CatalogueCMSFactory() {
+
+		logger.debug(CatalogueCMSFactory.class.getSimpleName() + " object build");
+		cache = new ConcurrentHashMap<String, CacheBean>();
+
+	}
+
+	/**
+	 * Get the factory instance.
+	 *
+	 * @return the factory
+	 */
+	public static CatalogueCMSFactory getFactory() {
+		logger.debug(CatalogueCMSFactory.class.getSimpleName() + " requested");
+		return instance;
+	}
+
+	/**
+	 * Gets the CMS per scope.
+	 *
+	 * @param scope the scope
+	 * @return the CMS per scope
+	 * @throws Exception the exception
+	 */
+	public CatalogueContentModeratorSystem getCMSPerScope(String scope) throws Exception {
+
+		DataCatalogueImpl dataCatalogueImpl = getCatalogueImplPerScope(scope);
+		return dataCatalogueImpl.getCatalogueContentModerator();
+	}
+
+	/**
+	 * Gets the catalogue impl per scope.
+	 *
+	 * @param scope the scope
+	 * @return the catalogue impl per scope
+	 * @throws Exception the exception
+	 */
+	public DataCatalogueImpl getCatalogueImplPerScope(String scope) throws Exception {
+
+		if (scope == null || scope.isEmpty())
+			throw new IllegalArgumentException("Invalid scope given!");
+
+		if (cache.containsKey(scope) && !expired(cache.get(scope))) {
+			return cache.get(scope).dataCatalogueImpl;
+		} else {
+			logger.info("Creating " + CatalogueCMSFactory.class.getSimpleName() + " for scope " + scope);
+			DataCatalogueImpl dci = new DataCatalogueImpl(scope);
+			cache.put(scope, new CacheBean(System.currentTimeMillis(), dci));
+			return dci;
+		}
+	}
+
+	/**
+	 * Check if the ckan information must be retrieved again.
+	 *
+	 * @param cacheBean the cache bean
+	 * @return true, if successful
+	 */
+	private boolean expired(CacheBean cacheBean) {
+		return (cacheBean.ttl + MAX_LIFETIME < System.currentTimeMillis());
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/CkanContentModeratorServiceAImpl.java

@@ -1,52 +0,0 @@
-package org.gcube.portlets.widgets.ckancontentmoderator.server;
-
-import java.util.List;
-
-import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanDataset;
-import org.gcube.portlets.widgets.ckancontentmoderator.client.CkanContentModeratorService;
-
-import com.google.gwt.user.server.rpc.RemoteServiceServlet;
-
-/**
- * The server side implementation of the RPC service.
- */
-@SuppressWarnings("serial")
-public class CkanContentModeratorServiceAImpl extends RemoteServiceServlet implements
-    CkanContentModeratorService, ContentModeratorSystem {
-
-	@Override
-	public boolean isContentModeratorEnabled() {
-		// TODO Auto-generated method stub
-		return false;
-	}
-
-	@Override
-	public void setStatus(String itemId, ItemStatus theStatus) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public List<CkanDataset> getListItemsForStatus(ItemStatus theStatus) {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public void approveItem(String itemId) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void rejectItem(String itemId, boolean permanentlyDelete, String reasonMsg) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void permanentlyDelete(String itemId) {
-		// TODO Auto-generated method stub
-		
-	}
-}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/CkanContentModeratorServiceImpl.java

@@ -0,0 +1,500 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.server;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
+import org.gcube.common.scope.api.ScopeProvider;
+import org.gcube.datacatalogue.utillibrary.gcat.GCatCaller;
+import org.gcube.datacatalogue.utillibrary.server.DataCatalogueImpl;
+import org.gcube.datacatalogue.utillibrary.server.cms.CatalogueContentModeratorSystem;
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.CkanContentModeratorService;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ContentModeratorWidgetConstants;
+import org.gcube.portlets.widgets.ckancontentmoderator.server.CkanContentModeratorUtil.QUERY_OPERATOR;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CMSUserRole;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.ModerationUserRole;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.OperationReport;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.SearchedData;
+import org.gcube.vomanagement.usermanagement.model.GCubeUser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.gwt.user.server.rpc.RemoteServiceServlet;
+
+/**
+ * The Class CkanContentModeratorServiceImpl.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jan 11, 2022
+ * @return the boolean
+ */
+@SuppressWarnings("serial")
+public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implements CkanContentModeratorService {
+
+	private static Logger LOG = LoggerFactory.getLogger(CkanContentModeratorServiceImpl.class);
+
+	/**
+	 * Checks if is moderation enabled.
+	 *
+	 * @param reloadConfig the reload config
+	 * @return the boolean
+	 */
+	@Override
+	public Boolean isModerationEnabled(boolean reloadConfig) {
+		LOG.info("called isContentModeratorEnabled");
+		String scope = setContexts();
+		boolean isModerationEnabled = false;
+		try {
+			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
+			CatalogueContentModeratorSystem cmsInstance = catalogueImpl.getCatalogueContentModerator();
+			isModerationEnabled = cmsInstance.isModerationEnabled(reloadConfig);
+		} catch (Exception e) {
+			LOG.error("Error occured on checking isContentModeratorEnabled, so returning false", e);
+			return false;
+		}
+		return isModerationEnabled;
+	}
+
+	/**
+	 * Checks if is moderator role is assigned to working user in the context.
+	 *
+	 * @return the moderation user role
+	 * @throws Exception the exception
+	 */
+	@Override
+	public Boolean isModeratorRoleAssigned() throws Exception {
+		LOG.info("called isModeratorRoleAssigned");
+		ModerationUserRole userRole = getCMSRolesForUserInTheContext();
+
+		boolean isCatalogueModerator = false;
+		if (userRole != null && userRole.getRoles() != null
+				&& userRole.getRoles().contains(CMSUserRole.CATALOGUE_MODERATOR)) {
+			LOG.info("called isModeratorRoleAssigned");
+			isCatalogueModerator = true;
+		}
+		LOG.info("is " + CMSUserRole.CATALOGUE_MODERATOR.getRoleName() + " assigned? " + isCatalogueModerator);
+		return isCatalogueModerator;
+	}
+
+	/**
+	 * Exists my item in moderation.
+	 *
+	 * @return true if the user has at least one item moderatorated or in
+	 *         moderation.
+	 * @throws Exception the exception
+	 */
+	@Override
+	public Boolean existsMyItemInModeration() throws Exception {
+		LOG.info("called existsMyItemInModeration");
+		try {
+
+			/*
+			 * if(!GcubeContextUtil.isWithinPortal()) {
+			 * LOG.warn("#### DEV MODE ENABLED #######"); boolean defaultValue = true;
+			 * LOG.info("DEV MODE: existsMyItemInModeration returning: " + defaultValue);
+			 * return defaultValue; }
+			 */
+
+			String scope = setContexts();
+			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
+
+			GCubeUser user = GcubeContextUtil.getCurrentUser(getThreadLocalRequest());
+			String valueOfQueryEmails = CkanContentModeratorUtil.userSOLRQueryForEmails(user, QUERY_OPERATOR.OR);
+
+			StringBuilder emailsValuesBuilder = new StringBuilder();
+			// QUERYING AUTHOR_MAIL. IT MUST BE IN LIST OF EMAILs
+			emailsValuesBuilder
+					.append(ContentModeratorWidgetConstants.CKAN_FIELD_NAME_AUTHOR_MAIL + ":" + valueOfQueryEmails);
+
+			Map<String, String> params = new HashMap<String, String>(1);
+			params.put("q", emailsValuesBuilder.toString());
+			// QUERYING THE ITEM HAVING ANY MODERATIONS STATUS
+			params.put(GCatCaller.MODERATOR_ITEM_STATUS_PARAMETER, GCatCaller.MODERATOR_ITEM_ANY_STATUS_VALUE);
+
+			List<String> listItems = catalogueImpl.performQueryForItems(params);
+			LOG.debug("existsMyItemInModeration query returned items: " + listItems);
+
+			boolean haveItemInModeration = false;
+
+			if (listItems != null && listItems.size() > 0) {
+				haveItemInModeration = true;
+			}
+
+			LOG.info("existsMyItemInModeration returning: " + haveItemInModeration);
+			return haveItemInModeration;
+
+		} catch (Exception e) {
+			LOG.warn("Error occurred on checking existsMyItemInModeration, so returning false");
+			return false;
+		}
+	}
+
+	/**
+	 * Gets the CMS roles for user in the context.
+	 *
+	 * @return the CMS roles for user in the context
+	 * @throws Exception the exception
+	 */
+	@Override
+	public ModerationUserRole getCMSRolesForUserInTheContext() throws Exception {
+		LOG.info("called getCMSRolesForUserInTheContext");
+		setContexts();
+		List<CMSUserRole> roles = GcubeContextUtil.getCMSRoleForUserInTheScope(getThreadLocalRequest());
+
+		GcubeContextUtil.getCurrentUser(getThreadLocalRequest());
+		ModerationUserRole userRole = new ModerationUserRole(getServletInfo(), roles);
+		LOG.info("return: " + userRole);
+		return userRole;
+	}
+
+	/**
+	 * Sets the contexts.
+	 *
+	 * @return the scope operating in
+	 */
+	private String setContexts() {
+		String scope = GcubeContextUtil.getCurrentScope(this.getThreadLocalRequest());
+		ScopeProvider.instance.set(scope);
+
+		GCubeUser user = GcubeContextUtil.getCurrentUser(this.getThreadLocalRequest());
+		if (user != null) {
+			String token = GcubeContextUtil.getCurrentToken(scope, user.getUsername());
+			SecurityTokenProvider.instance.set(token);
+		}
+		return scope;
+	}
+
+	/**
+	 * Gets the list items for status.
+	 *
+	 * @param theStatus                the the status
+	 * @param offset                   the offset
+	 * @param limit                    the limit
+	 * @param restrictedToLoggedInUser if true restricts the list of items to logged
+	 *                                 in user
+	 * @param sortForField             the sort for field
+	 * @return the list items for status
+	 * @throws Exception the exception
+	 */
+	@Override
+	public List<CatalogueDataset> getListItemsForStatus(ItemStatus theStatus, int offset, int limit,
+			boolean restrictedToLoggedInUser, String sortForField) throws Exception {
+		LOG.info("called getListItemsForStatus with [status: " + theStatus + ", offset: " + offset + ", limit: " + limit
+				+ ", restrictedToLoggedInUser: " + restrictedToLoggedInUser + "]");
+		List<CatalogueDataset> datasetList = null;
+		try {
+			String scope = setContexts();
+			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
+			CatalogueContentModeratorSystem cmsInstance = catalogueImpl.getCatalogueContentModerator();
+
+			Map<String, String> filters = null;
+			if (restrictedToLoggedInUser) {
+				filters = new HashMap<String, String>(1);
+				GCubeUser user = GcubeContextUtil.getCurrentUser(getThreadLocalRequest());
+				String valueOfQueryEmails = CkanContentModeratorUtil.userSOLRQueryForEmails(user, QUERY_OPERATOR.OR);
+				filters.put(ContentModeratorWidgetConstants.CKAN_FIELD_NAME_AUTHOR_MAIL, valueOfQueryEmails);
+			}
+
+			List<CkanDataset> datasets = cmsInstance.getListItemsForStatus(theStatus, limit, offset, filters,
+					sortForField);
+			if (datasets != null) {
+				int size = datasets.size();
+				datasetList = new ArrayList<CatalogueDataset>(size);
+				LOG.info("datasetList for input parameters returned by CMS has size: " + size);
+				for (CkanDataset ckanDataset : datasets) {
+					CatalogueDataset ds = toPatchedCatalogueDataset(ckanDataset, catalogueImpl.getCatalogueUrl());
+					LOG.trace("converted dataset is: " + ds);
+					datasetList.add(ds);
+				}
+			}
+
+		} catch (Exception e) {
+			LOG.error("Error occurred on reading items for status: " + theStatus, e);
+			throw e;
+		}
+
+		LOG.info("returning " + datasetList.size() + " dataset");
+		return datasetList;
+	}
+
+	private CatalogueDataset toPatchedCatalogueDataset(CkanDataset ckanDataset, String catalogueURL) {
+		if (ckanDataset == null)
+			return null;
+
+		CatalogueDataset ds = CatalogueBeansConverter.toCatalogueDataset.apply(ckanDataset);
+		String datasetURL = String.format("%s/dataset/%s", catalogueURL, ds.getName());
+		ds.setUrl(datasetURL);
+		return ds;
+	}
+
+	/**
+	 * Gets the item for name.
+	 *
+	 * @param itemName the item name
+	 * @return the item for name
+	 * @throws Exception the exception
+	 */
+	@Override
+	public CatalogueDataset getItemForName(String itemName) throws Exception {
+		LOG.info("called getItemForName for: " + itemName);
+		CatalogueDataset ds = null;
+		try {
+			String scope = setContexts();
+			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
+			GCubeUser user = GcubeContextUtil.getCurrentUser(this.getThreadLocalRequest());
+			
+			boolean moderationCheckPassed = false;
+			
+			if (user != null) {
+				CkanDataset ckanDataset = catalogueImpl.getDataset(itemName, user.getUsername());
+				ds = null;
+				if (ckanDataset != null) {
+					ds = toPatchedCatalogueDataset(ckanDataset, catalogueImpl.getCatalogueUrl());
+					
+					Boolean userModerator = isModeratorRoleAssigned();
+					moderationCheckPassed = userModerator?true:false;
+					LOG.info("Moderation check: is the user a Moderator? "+moderationCheckPassed);
+					//The user is not a Moderator, yes otherwise
+					if(!moderationCheckPassed) {
+						String datasetAuthorMail = ds.getAuthorEmail();
+						String userMail = user.getEmail();
+						if(datasetAuthorMail!=null && userMail!=null && datasetAuthorMail.compareTo(userMail)==0) {
+							//The user is the owner of the dataset, so he/she can view the dataset (moderation check passed)
+							moderationCheckPassed = true;	
+						}
+						LOG.info("Moderation check: is the user the owner of the dataset? "+moderationCheckPassed);
+					}
+				}
+			}
+			
+			if(!moderationCheckPassed) {
+				LOG.info("Moderation ckeck not passed, returning null");
+				ds = null;
+			}
+
+		} catch (Exception e) {
+			LOG.error("Error occurred on reading item for name: " + itemName, e);
+			throw e;
+		}
+
+		LOG.info("getItemForName "+itemName+", returning: " + ds);
+		return ds;
+	}
+
+	/**
+	 * Sets the status.
+	 *
+	 * @param theStatus the the status
+	 * @param itemNames the item names
+	 * @return the operation report
+	 * @throws Exception the exception
+	 */
+	@Override
+	public OperationReport setStatus(ItemStatus theStatus, List<String> itemNames) throws Exception {
+		LOG.info("Called set status " + theStatus + " for Items with name: " + itemNames);
+
+		try {
+			String scope = setContexts();
+			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
+			Map<String, String> errorMapItems = new HashMap<String, String>();
+			List<String> changedStatusListItems = new ArrayList<String>();
+			for (String itemName : itemNames) {
+				try {
+					catalogueImpl.refreshDataset(itemName);
+					changedStatusListItems.add(itemName);
+				} catch (Exception e) {
+					LOG.warn("Error when setting status (updating) the itemName: " + itemName, e);
+					errorMapItems.put(itemName, e.getMessage());
+				}
+			}
+
+			return new OperationReport(theStatus.getLabel(), changedStatusListItems, errorMapItems);
+
+		} catch (Exception e) {
+			LOG.error(e.getMessage(), e);
+			throw new Exception("Error occurred on updating the status for item/s: " + itemNames + ". Caused by: "
+					+ e.getMessage());
+		}
+	}
+
+	/**
+	 * Approve item.
+	 *
+	 * @param itemNames        the item names
+	 * @param moderatorMessage the moderator message
+	 * @return the operation report
+	 * @throws Exception the exception
+	 */
+	@Override
+	public OperationReport approveItem(List<String> itemNames, String moderatorMessage) throws Exception {
+		LOG.info("Called approveItem with name/s: " + itemNames);
+
+		try {
+			String scope = setContexts();
+			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
+			CatalogueContentModeratorSystem cmsInstance = catalogueImpl.getCatalogueContentModerator();
+
+			Map<String, String> errorMapItems = new HashMap<String, String>();
+			List<String> approvedListItems = new ArrayList<String>();
+			for (String itemName : itemNames) {
+				try {
+					cmsInstance.approveItem(itemName, moderatorMessage);
+					approvedListItems.add(itemName);
+				} catch (Exception e) {
+					LOG.warn("Error when approving itemName: " + itemName, e);
+					errorMapItems.put(itemName, e.getMessage());
+				}
+			}
+
+			return new OperationReport(ItemStatus.APPROVED.getLabel(), approvedListItems, errorMapItems);
+
+		} catch (Exception e) {
+			LOG.error(e.getMessage(), e);
+			throw new Exception("Error occurred on approving item/s: " + itemNames + ". Caused by: " + e.getMessage());
+		}
+	}
+
+	/**
+	 * Reject item.
+	 *
+	 * @param itemNames         the item names
+	 * @param permanentlyDelete the permanently delete
+	 * @param reasonMsg         the reason msg
+	 * @return the operation report
+	 * @throws Exception the exception
+	 */
+	@Override
+	public OperationReport rejectItem(List<String> itemNames, boolean permanentlyDelete, String reasonMsg)
+			throws Exception {
+		LOG.info("Called rejectItem with name/s: " + itemNames + ", permanentlyDelete: " + permanentlyDelete);
+
+		try {
+			String scope = setContexts();
+			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
+			CatalogueContentModeratorSystem cmsInstance = catalogueImpl.getCatalogueContentModerator();
+
+			Map<String, String> errorMapItems = new HashMap<String, String>();
+			List<String> passedListItems = new ArrayList<String>();
+			for (String itemName : itemNames) {
+				try {
+					cmsInstance.rejectItem(itemName, permanentlyDelete, reasonMsg);
+					passedListItems.add(itemName);
+				} catch (Exception e) {
+					LOG.warn("Error when rejecting itemName: " + itemName, e);
+					errorMapItems.put(itemName, e.getMessage());
+				}
+			}
+
+			return new OperationReport(ItemStatus.REJECTED.getLabel(), passedListItems, errorMapItems);
+
+		} catch (Exception e) {
+			LOG.error(e.getMessage(), e);
+			throw new Exception("Error occurred on rejecting item/s: " + itemNames + ". Caused by: " + e.getMessage());
+		}
+	}
+
+	/**
+	 * Permanently delete.
+	 *
+	 * @param itemNames the item names
+	 * @return the operation report
+	 * @throws Exception the exception
+	 */
+	@Override
+	public OperationReport permanentlyDelete(List<String> itemNames) throws Exception {
+		LOG.info("Called permanently delete Items with name/s: " + itemNames);
+
+		try {
+			String scope = setContexts();
+			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
+			CatalogueContentModeratorSystem cmsInstance = catalogueImpl.getCatalogueContentModerator();
+
+			Map<String, String> errorMapItems = new HashMap<String, String>();
+			List<String> passedListItems = new ArrayList<String>();
+			for (String itemName : itemNames) {
+				try {
+					cmsInstance.permanentlyDelete(itemName);
+					passedListItems.add(itemName);
+				} catch (Exception e) {
+					LOG.warn("Error when deleting permanently the itemName: " + itemName, e);
+					errorMapItems.put(itemName, e.getMessage());
+				}
+			}
+
+			return new OperationReport("Permanently Delete", passedListItems, errorMapItems);
+
+		} catch (Exception e) {
+			LOG.error(e.getMessage(), e);
+			throw new Exception(
+					"Error occurred on permanently delete item/s: " + itemNames + ". Caused by: " + e.getMessage());
+		}
+	}
+
+	/**
+	 * Gets the data for status.
+	 *
+	 * @param status                   the status
+	 * @param offset                   the offset
+	 * @param limit                    the limit
+	 * @param serverStartIndex         the server start index
+	 * @param restrictedToLoggedInUser the restricted to logged in user
+	 * @param sortForField             the sort for field
+	 * @return the data for status
+	 * @throws Exception the exception
+	 */
+	@Override
+	public SearchedData getDataForStatus(ItemStatus status, int offset, int limit, int serverStartIndex,
+			boolean restrictedToLoggedInUser, String sortForField) throws Exception {
+		LOG.info("called getDataForStatus [status: " + status + ", offset: " + offset + ", limit: " + limit
+				+ ", serverIndex: " + serverStartIndex);
+
+		String scope = setContexts();
+		int searchStartIndex = offset;
+		CatalogueContentModeratorSystem cmsInstance = CatalogueCMSFactory.getFactory().getCMSPerScope(scope);
+		SearchedData searchedData = new SearchedData(offset, limit, searchStartIndex, false);
+
+		Map<String, String> filters = null;
+		if (restrictedToLoggedInUser) {
+			filters = new HashMap<String, String>(1);
+			GCubeUser user = GcubeContextUtil.getCurrentUser(getThreadLocalRequest());
+			String valueOfQueryEmails = CkanContentModeratorUtil.userSOLRQueryForEmails(user, QUERY_OPERATOR.OR);
+			filters.put(ContentModeratorWidgetConstants.CKAN_FIELD_NAME_AUTHOR_MAIL, valueOfQueryEmails);
+		}
+
+		long totalItemsForStatus = cmsInstance.countListItemsForStatus(status, filters);
+		LOG.info("totalItemsForStatus " + status + " are : " + totalItemsForStatus);
+		List<CatalogueDataset> listDataset = new ArrayList<CatalogueDataset>();
+		try {
+			LOG.debug("getListItemsForStatus with searchStartIndex: " + searchStartIndex + ", limit: " + limit);
+			listDataset = getListItemsForStatus(status, searchStartIndex, limit, restrictedToLoggedInUser,
+					sortForField);
+		} catch (Exception e) {
+			String error = "Error occurred on getting items for status: " + status;
+			LOG.error(error, e);
+			throw new Exception(error + ". Cause: " + e.getMessage());
+		}
+
+		int listDatasetSize = listDataset.size();
+		LOG.debug("Returned " + listDatasetSize + " with above parameters");
+		searchedData.setData(listDataset);
+		searchedData.setTotalItems(totalItemsForStatus);
+
+		if (listDatasetSize == limit || listDatasetSize == 0) {
+			LOG.debug("Page completed returning " + listDatasetSize + " items");
+			int newOffset = searchStartIndex + offset;
+			searchedData.setServerSearchFinished(newOffset > totalItemsForStatus || listDatasetSize == 0);
+			LOG.debug("is Search finished: " + searchedData.isServerSearchFinished());
+			return searchedData;
+		}
+
+		LOG.debug("Returning: " + searchedData);
+		return searchedData;
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/CkanContentModeratorUtil.java

@@ -0,0 +1,102 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.server;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.gcube.vomanagement.usermanagement.model.Email;
+import org.gcube.vomanagement.usermanagement.model.GCubeUser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The Class CkanContentModeratorUtil.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 6, 2022
+ */
+public class CkanContentModeratorUtil {
+
+	private static Logger LOG = LoggerFactory.getLogger(CkanContentModeratorUtil.class);
+
+	public static enum QUERY_OPERATOR {
+		AND, OR
+	}
+
+	/**
+	 * User query for emails.
+	 *
+	 * @param user the user
+	 * @return the string representing the value of the query for filtering for User
+	 *         Mails
+	 * @throws Exception the exception
+	 */
+	public static String userSOLRQueryForEmails(GCubeUser user, QUERY_OPERATOR operator) throws Exception {
+		LOG.debug("userQueryForEmails called for user {}", user);
+
+		List<Email> listServerEmails = user.getEmailAddresses();
+		LOG.debug("List server mails: {}", listServerEmails);
+		List<String> emailsAddresses = new ArrayList<String>();
+
+		boolean notFoundMail = listServerEmails == null || listServerEmails.isEmpty();
+
+		if (notFoundMail) {
+			LOG.warn("No list mail found in " + GCubeUser.class.getSimpleName() + " getEmailAddresses()");
+			String mail = user.getEmail();
+			LOG.debug("Read mail: " + mail);
+			if (mail != null && !mail.isEmpty()) {
+				LOG.info("Email found in " + GCubeUser.class.getSimpleName() + " getEmail()");
+				emailsAddresses.add(mail);
+			}
+		} else {
+			for (Email email : listServerEmails) {
+				emailsAddresses.add(email.getEmail());
+			}
+		}
+
+		LOG.info("Email/s found for user {} is/are: {}", user.getUsername(), emailsAddresses);
+
+		if (emailsAddresses.isEmpty()) {
+			throw new Exception("No email found for user: " + user.getUsername());
+		}
+
+		if (operator == null)
+			operator = QUERY_OPERATOR.OR;
+
+		StringBuilder queryMails = new StringBuilder();
+		String queryOperator = operator.name();
+		// BUILDING EMAILS QUERY
+		int numberOfEmails = emailsAddresses.size();
+
+		String theQuery = "";
+
+		// case 1 email address
+		if (numberOfEmails == 1) {
+			theQuery = "'" + emailsAddresses.get(0) + "'";
+		} else {
+			// case N > 1 email addresses
+			for (int i = 0; i < emailsAddresses.size() - 1; i++) {
+				String email = emailsAddresses.get(i);
+				if (i == 0) {
+					// opening the query and adding first email address
+					queryMails.append("('" + email + "'");
+				} else {
+					// adding the operator and the email address
+					queryMails.append(" " + queryOperator + " '" + email + "'");
+				}
+			}
+
+			theQuery = queryMails.toString();
+
+			// to be sure that endsWith Operator
+			if (!theQuery.endsWith(queryOperator)) {
+				theQuery += " " + queryOperator + " ";
+			}
+
+			// adding last email address and closing the query
+			theQuery += "'" + emailsAddresses.get(numberOfEmails - 1) + "')";
+		}
+
+		return theQuery;
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/ContentModeratorSystem.java

@@ -1,108 +0,0 @@
-package org.gcube.portlets.widgets.ckancontentmoderator.server;
-
-import java.util.List;
-
-import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanDataset;
-
-
-// TODO: Auto-generated Javadoc
-/**
- * The Interface ContentModeratorSystem.
- *
- * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
- * 
- * May 7, 2021
- */
-public interface ContentModeratorSystem {
-
-	/**
-	 * Checks if is content moderator enabled.
-	 *
-	 * @return true, if is content moderator enabled
-	 */
-	boolean isContentModeratorEnabled();
-
-	/**
-	 * Sets the status.
-	 *
-	 * @param itemId the item id
-	 * @param theStatus the the status
-	 */
-	void setStatus(String itemId, ItemStatus theStatus);
-
-
-	/**
-	 * Gets the list items for status.
-	 *
-	 * @param theStatus the the status
-	 * @return the list items for status
-	 */
-	List<CkanDataset> getListItemsForStatus(ItemStatus theStatus);
-
-	/**
-	 * Approve item.
-	 *
-	 * @param itemId the item id
-	 */
-	void approveItem(String itemId);
-
-	/**
-	 * Reject item.
-	 *
-	 * @param itemId the item id
-	 * @param permanentlyDelete the permanently delete
-	 * @param reasonMsg the reason msg
-	 */
-	void rejectItem(String itemId, boolean permanentlyDelete, String reasonMsg);
-	
-	/**
-	 * Permanently delete.
-	 *
-	 * @param itemId the item id
-	 */
-	void permanentlyDelete(String itemId);
-
-	/**
-	 * The Enum ItemStatus.
-	 *
-	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
-	 * 
-	 * May 7, 2021
-	 */
-	static enum ItemStatus {
-		PENDING("pending", "Pending"), APPROVED("approved", "Approved"), REJECTED("rejected", "Rejected");
-
-		private String id;
-		private String label;
-
-		/**
-		 * Instantiates a new item status.
-		 *
-		 * @param id the id
-		 * @param label the label
-		 */
-		private ItemStatus(String id, String label) {
-			this.id = id;
-			this.label = label;
-		}
-
-		/**
-		 * Gets the id.
-		 *
-		 * @return the id
-		 */
-		public String getId() {
-			return id;
-		}
-
-		/**
-		 * Gets the label.
-		 *
-		 * @return the label
-		 */
-		public String getLabel() {
-			return label;
-		}
-
-	}
-}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/GcubeContextUtil.java

@@ -0,0 +1,164 @@
+/**
+ *
+ */
+package org.gcube.portlets.widgets.ckancontentmoderator.server;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.gcube.common.portal.PortalContext;
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.CMSUserRole;
+import org.gcube.vomanagement.usermanagement.RoleManager;
+import org.gcube.vomanagement.usermanagement.exception.GroupRetrievalFault;
+import org.gcube.vomanagement.usermanagement.exception.UserRetrievalFault;
+import org.gcube.vomanagement.usermanagement.impl.LiferayRoleManager;
+import org.gcube.vomanagement.usermanagement.model.GCubeRole;
+import org.gcube.vomanagement.usermanagement.model.GCubeUser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.liferay.portal.service.UserLocalServiceUtil;
+
+/**
+ * The Class GcubeContextUtil.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Feb 21, 2022
+ */
+public class GcubeContextUtil {
+
+	protected static Logger LOG = LoggerFactory.getLogger(GcubeContextUtil.class);
+
+	/**
+	 * Checks if is within portal.
+	 *
+	 * @return true if you're running into the portal, false if in development
+	 */
+	public static boolean isWithinPortal() {
+		try {
+			UserLocalServiceUtil.getService();
+			return true;
+		} catch (Exception ex) {
+			LOG.trace("Development Mode ON");
+			return false;
+		}
+	}
+
+	/**
+	 * Gets the current user.
+	 *
+	 * @param httpServletRequest the http servlet request
+	 * @return the current user
+	 */
+	public static GCubeUser getCurrentUser(HttpServletRequest httpServletRequest) {
+		return PortalContext.getConfiguration().getCurrentUser(httpServletRequest);
+	}
+
+	/**
+	 * Gets the current scope.
+	 *
+	 * @param httpServletRequest the http servlet request
+	 * @return the current scope
+	 */
+	public static String getCurrentScope(HttpServletRequest httpServletRequest) {
+		return PortalContext.getConfiguration().getCurrentScope(httpServletRequest);
+	}
+
+	/**
+	 * Gets the current token.
+	 *
+	 * @param scope    the scope
+	 * @param username the username
+	 * @return the current token
+	 */
+	public static String getCurrentToken(String scope, String username) {
+		return PortalContext.getConfiguration().getCurrentUserToken(scope, username);
+	}
+
+	/**
+	 * Gets the current group id.
+	 *
+	 * @param httpServletRequest the http servlet request
+	 * @return the current group id
+	 */
+	public static long getCurrentGroupId(HttpServletRequest httpServletRequest) {
+		return PortalContext.getConfiguration().getCurrentGroupId(httpServletRequest);
+	}
+
+	/**
+	 * Gets the CMS user role for the logged user (in the current context)
+	 *
+	 * @param httpServletRequest the http servlet request
+	 * @return the scopes with user roles for logged user
+	 * @throws Exception the exception
+	 */
+	public static List<CMSUserRole> getCMSRoleForUserInTheScope(HttpServletRequest httpServletRequest) throws Exception {
+		LOG.info("called getScopesWithThreddsRolesForLoggedUser");
+
+		// DEV MODE
+		if (!isWithinPortal()) {
+			//CMSUserRole userRole = CMSUserRole.CATALOGUE_MODERATOR;
+			CMSUserRole userRole = null;
+			LOG.warn("\n\n\nDevelopment MODE is enabled, returning CMS user role: "+userRole);
+			return Arrays.asList(userRole);
+		}
+
+		GCubeUser user = null;
+		String scope = null;
+		Long groupId = null;
+		try {
+
+			user = getCurrentUser(httpServletRequest);
+			scope = getCurrentScope(httpServletRequest);
+			groupId = getCurrentGroupId(httpServletRequest);
+			List<CMSUserRole> cmsRoles = getCMSRoleForUserInTheGroupId(user, groupId);
+			LOG.info("in the context: " + scope + ", returning the role: " + cmsRoles + " for user "
+					+ user.getUsername());
+			return cmsRoles;
+		} catch (Exception e) {
+			String errorMsg = "An error occurred on checking user roles. Refresh the page and try again.";
+			LOG.error("An error occurred on checking user roles for user: " + user, e);
+			throw new Exception(errorMsg);
+		}
+	}
+
+	/**
+	 * Gets the CMS role for user in the scope.
+	 *
+	 * @param user    the user
+	 * @param groupId the group id
+	 * @return the CMS role for user in the scope
+	 */
+	private static List<CMSUserRole> getCMSRoleForUserInTheGroupId(GCubeUser user, Long groupId) {
+		if (user == null || groupId == null) {
+			LOG.warn("called getCMSRoleForUserInTheScope with invalid parameter user: " + user + ", in the groupId: "
+					+ groupId, ", returning null");
+			return null;
+		}
+
+		LOG.info("called getCMSRoleForUserInTheScope user: " + user.getUsername() + ", in the groupId: " + groupId);
+		try {
+			RoleManager roleManager = new LiferayRoleManager();
+			List<GCubeRole> roles = roleManager.listRolesByUserAndGroup(user.getUserId(), groupId);
+			List<CMSUserRole> toReturn = new ArrayList<CMSUserRole>();
+			if (roles != null) {
+				for (GCubeRole gCubeRole : roles) {
+					if (gCubeRole.getRoleName().equalsIgnoreCase(CMSUserRole.CATALOGUE_MODERATOR.getRoleName())) {
+						toReturn.add(CMSUserRole.CATALOGUE_MODERATOR);
+					}
+				}
+			}
+			LOG.info("For user: " + user.getUsername() + " in the groupId: " + groupId
+					+ " read and returing the role/s: " + toReturn);
+			return toReturn;
+		} catch (UserRetrievalFault | GroupRetrievalFault e) {
+			LOG.error("An error occurred during getVreRoleForUser: " + user, e);
+			return null;
+		}
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/CMSUserRole.java

@@ -0,0 +1,17 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+ public enum CMSUserRole {
+	
+	CATALOGUE_MODERATOR("Catalogue-Moderator");
+		
+	private String name;
+	
+	private CMSUserRole(String name) {
+		this.name = name;
+	}
+	
+	public String getRoleName() {
+		return this.name;
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/CatalogueDataset.java

@@ -0,0 +1,228 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+import java.io.Serializable;
+
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+
+import com.google.gwt.user.client.rpc.IsSerializable;
+
+/**
+ * The Class CatalogueDataset.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 14, 2021
+ */
+public class CatalogueDataset implements Serializable, IsSerializable {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 566645830900736239L;
+	private String author;
+	private String authorEmail;
+	private String id;
+	private String licenseId;
+	private String maintainer;
+	private String maintainerEmail;
+	private String name;
+	private String notes;
+	private String ownerOrg;
+	private ItemStatus status;
+	private String title;
+	private String url;
+	private String version;
+	private String extra_ItemURL;
+	private String extra_SystemType;
+	private long created;
+	private long lastUpdate;
+
+	/**
+	 * Instantiates a new ckan dataset base.
+	 */
+	public CatalogueDataset() {
+	}
+
+	public String getAuthor() {
+		return author;
+	}
+
+	public String getAuthorEmail() {
+		return authorEmail;
+	}
+
+	public String getId() {
+		return id;
+	}
+
+	public String getLicenseId() {
+		return licenseId;
+	}
+
+	public String getMaintainer() {
+		return maintainer;
+	}
+
+	public String getMaintainerEmail() {
+		return maintainerEmail;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public String getNotes() {
+		return notes;
+	}
+
+	public String getOwnerOrg() {
+		return ownerOrg;
+	}
+
+	public ItemStatus getStatus() {
+		return status;
+	}
+
+	public String getTitle() {
+		return title;
+	}
+
+	public String getUrl() {
+		return url;
+	}
+
+	public String getVersion() {
+		return version;
+	}
+
+	public String getD4scienceItemURL() {
+		return extra_ItemURL;
+	}
+
+	public long getCreated() {
+		return created;
+	}
+
+	public void setAuthor(String author) {
+		this.author = author;
+	}
+
+	public void setAuthorEmail(String authorEmail) {
+		this.authorEmail = authorEmail;
+	}
+
+	public void setId(String id) {
+		this.id = id;
+	}
+
+	public void setLicenseId(String licenseId) {
+		this.licenseId = licenseId;
+	}
+
+	public void setMaintainer(String maintainer) {
+		this.maintainer = maintainer;
+	}
+
+	public void setMaintainerEmail(String maintainerEmail) {
+		this.maintainerEmail = maintainerEmail;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public void setNotes(String notes) {
+		this.notes = notes;
+	}
+
+	public void setOwnerOrg(String ownerOrg) {
+		this.ownerOrg = ownerOrg;
+	}
+
+	public void setStatus(ItemStatus status) {
+		this.status = status;
+	}
+
+	public void setTitle(String title) {
+		this.title = title;
+	}
+
+	public void setUrl(String url) {
+		this.url = url;
+	}
+
+	public void setVersion(String version) {
+		this.version = version;
+	}
+
+	public void setCreated(long created) {
+		this.created = created;
+	}
+
+	public void setLastUpdate(long time) {
+		this.lastUpdate = time;
+
+	}
+
+	public long getLastUpdate() {
+		return lastUpdate;
+	}
+
+	public String getExtra_ItemURL() {
+		return extra_ItemURL;
+	}
+
+	public void setExtra_ItemURL(String extra_ItemURL) {
+		this.extra_ItemURL = extra_ItemURL;
+	}
+
+	public String getExtra_SystemType() {
+		return extra_SystemType;
+	}
+
+	public void setExtra_SystemType(String extra_SystemType) {
+		this.extra_SystemType = extra_SystemType;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("CatalogueDataset [author=");
+		builder.append(author);
+		builder.append(", authorEmail=");
+		builder.append(authorEmail);
+		builder.append(", id=");
+		builder.append(id);
+		builder.append(", licenseId=");
+		builder.append(licenseId);
+		builder.append(", maintainer=");
+		builder.append(maintainer);
+		builder.append(", maintainerEmail=");
+		builder.append(maintainerEmail);
+		builder.append(", name=");
+		builder.append(name);
+		builder.append(", notes=");
+		builder.append(notes);
+		builder.append(", ownerOrg=");
+		builder.append(ownerOrg);
+		builder.append(", status=");
+		builder.append(status);
+		builder.append(", title=");
+		builder.append(title);
+		builder.append(", url=");
+		builder.append(url);
+		builder.append(", version=");
+		builder.append(version);
+		builder.append(", extra_ItemURL=");
+		builder.append(extra_ItemURL);
+		builder.append(", extra_SystemType=");
+		builder.append(extra_SystemType);
+		builder.append(", created=");
+		builder.append(created);
+		builder.append(", lastUpdate=");
+		builder.append(lastUpdate);
+		builder.append("]");
+		return builder.toString();
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/DISPLAY_FIELD.java

@@ -0,0 +1,47 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+/**
+ * The Enum DISPLAY_FIELD.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 22, 2022
+ */
+public enum DISPLAY_FIELD {
+	NAME("Name", "name"), TITLE("Title", "title"), AUTHOR("Author", "author_mail"),
+	CREATED("Created", "metadata_created"), LAST_UPDATE("Last Update", "metadata_modified"),
+	TYPE("Type", "extras_systemtype");
+
+	String label;
+	String jsonField;
+
+	/**
+	 * Instantiates a new display field.
+	 *
+	 * @param label     the label
+	 * @param jsonField the json field
+	 */
+	private DISPLAY_FIELD(String label, String jsonField) {
+		this.label = label;
+		this.jsonField = jsonField;
+	}
+
+	/**
+	 * Gets the label.
+	 *
+	 * @return the label
+	 */
+	public String getLabel() {
+		return label;
+	}
+
+	/**
+	 * Gets the json field.
+	 *
+	 * @return the json field
+	 */
+	public String getJsonField() {
+		return jsonField;
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/FieldVerifier.java

@@ -1,42 +0,0 @@
-package org.gcube.portlets.widgets.ckancontentmoderator.shared;
-
-/**
- * <p>
- * FieldVerifier validates that the name the user enters is valid.
- * </p>
- * <p>
- * This class is in the <code>shared</code> packing because we use it in both
- * the client code and on the server. On the client, we verify that the name is
- * valid before sending an RPC request so the user doesn't have to wait for a
- * network round trip to get feedback. On the server, we verify that the name is
- * correct to ensure that the input is correct regardless of where the RPC
- * originates.
- * </p>
- * <p>
- * When creating a class that is used on both the client and the server, be sure
- * that all code is translatable and does not use native JavaScript. Code that
- * is note translatable (such as code that interacts with a database or the file
- * system) cannot be compiled into client side JavaScript. Code that uses native
- * JavaScript (such as Widgets) cannot be run on the server.
- * </p>
- */
-public class FieldVerifier {
-
-  /**
-   * Verifies that the specified name is valid for our service.
-   *
-   * In this example, we only require that the name is at least four
-   * characters. In your application, you can use more complex checks to ensure
-   * that usernames, passwords, email addresses, URLs, and other fields have the
-   * proper syntax.
-   *
-   * @param name the name to validate
-   * @return true if valid, false if invalid
-   */
-  public static boolean isValidName(String name) {
-    if (name == null) {
-      return false;
-    }
-    return name.length() > 3;
-  }
-}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/ItemFieldDV.java

@@ -0,0 +1,165 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * The Class ItemFieldDV.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 22, 2022
+ */
+public class ItemFieldDV implements Serializable {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 563269286444442608L;
+	private String displayName;
+	private List<String> jsonFields;
+	private String operator;
+	private boolean displayAsResult;
+	private boolean sortable;
+	private boolean searchable;
+
+	/**
+	 * Instantiates a new item field.
+	 */
+	public ItemFieldDV() {
+
+	}
+
+	/**
+	 * Gets the display name.
+	 *
+	 * @return the display name
+	 */
+	public String getDisplayName() {
+		return displayName;
+	}
+
+	/**
+	 * Gets the json fields.
+	 *
+	 * @return the json fields
+	 */
+	public List<String> getJsonFields() {
+		return jsonFields;
+	}
+
+	/**
+	 * Gets the operator.
+	 *
+	 * @return the operator
+	 */
+	public String getOperator() {
+		return operator;
+	}
+
+	/**
+	 * Checks if is display as result.
+	 *
+	 * @return true, if is display as result
+	 */
+	public boolean isDisplayAsResult() {
+		return displayAsResult;
+	}
+
+	/**
+	 * Checks if is sortable.
+	 *
+	 * @return true, if is sortable
+	 */
+	public boolean isSortable() {
+		return sortable;
+	}
+
+	/**
+	 * Checks if is searchable.
+	 *
+	 * @return true, if is searchable
+	 */
+	public boolean isSearchable() {
+		return searchable;
+	}
+
+	/**
+	 * Sets the display name.
+	 *
+	 * @param displayName the new display name
+	 */
+	public void setDisplayName(String displayName) {
+		this.displayName = displayName;
+	}
+
+	/**
+	 * Sets the json fields.
+	 *
+	 * @param jsonFields the new json fields
+	 */
+	public void setJsonFields(List<String> jsonFields) {
+		this.jsonFields = jsonFields;
+	}
+
+	/**
+	 * Sets the operator.
+	 *
+	 * @param operator the new operator
+	 */
+	public void setOperator(String operator) {
+		this.operator = operator;
+	}
+
+	/**
+	 * Sets the display as result.
+	 *
+	 * @param displayAsResult the new display as result
+	 */
+	public void setDisplayAsResult(boolean displayAsResult) {
+		this.displayAsResult = displayAsResult;
+	}
+
+	/**
+	 * Sets the sortable.
+	 *
+	 * @param sortable the new sortable
+	 */
+	public void setSortable(boolean sortable) {
+		this.sortable = sortable;
+	}
+
+	/**
+	 * Sets the searchable.
+	 *
+	 * @param searchable the new searchable
+	 */
+	public void setSearchable(boolean searchable) {
+		this.searchable = searchable;
+	}
+
+	/**
+	 * To string.
+	 *
+	 * @return the string
+	 */
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("ItemFieldDV [displayName=");
+		builder.append(displayName);
+		builder.append(", jsonFields=");
+		builder.append(jsonFields);
+		builder.append(", operator=");
+		builder.append(operator);
+		builder.append(", displayAsResult=");
+		builder.append(displayAsResult);
+		builder.append(", sortable=");
+		builder.append(sortable);
+		builder.append(", searchable=");
+		builder.append(searchable);
+		builder.append("]");
+		return builder.toString();
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/ModerationUserRole.java

@@ -0,0 +1,53 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * The Class ModerationUserRole.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Feb 21, 2022
+ */
+public class ModerationUserRole implements Serializable {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 7002466635359684148L;
+	private String username;
+	private List<CMSUserRole> roles;
+
+	/**
+	 * Instantiates a new moderation user role.
+	 */
+	public ModerationUserRole() {
+	}
+
+	public ModerationUserRole(String username, List<CMSUserRole> roles) {
+		super();
+		this.username = username;
+		this.roles = roles;
+	}
+
+	public String getUsername() {
+		return username;
+	}
+
+	public List<CMSUserRole> getRoles() {
+		return roles;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("ModerationUserRole [username=");
+		builder.append(username);
+		builder.append(", roles=");
+		builder.append(roles);
+		builder.append("]");
+		return builder.toString();
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/OperationReport.java

@@ -0,0 +1,66 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class OperationReport implements Serializable {
+
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 4960774282956107668L;
+	private String operationType;
+	private Map<String, String> errorMapItems = new HashMap<String, String>();
+	private List<String> passedListItems = new ArrayList<String>();
+
+	public OperationReport() {
+	}
+
+	public OperationReport(String operationType, List<String> passedListItems, Map<String, String> errorMapItems) {
+		this.operationType = operationType;
+		this.errorMapItems = errorMapItems;
+		this.passedListItems = passedListItems;
+	}
+
+	public String getOperationType() {
+		return operationType;
+	}
+
+	public Map<String, String> getErrorMapItems() {
+		return errorMapItems;
+	}
+
+	public List<String> getPassedListItems() {
+		return passedListItems;
+	}
+
+	public void setOperationType(String operationType) {
+		this.operationType = operationType;
+	}
+
+	public void setErrorMapItems(Map<String, String> errorMapItems) {
+		this.errorMapItems = errorMapItems;
+	}
+
+	public void setPassedListItems(List<String> passedListItems) {
+		this.passedListItems = passedListItems;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("OperationReport [operationType=");
+		builder.append(operationType);
+		builder.append(", errorMapItems=");
+		builder.append(errorMapItems);
+		builder.append(", passedListItems=");
+		builder.append(passedListItems);
+		builder.append("]");
+		return builder.toString();
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/SearchedData.java

@@ -0,0 +1,181 @@
+/**
+ *
+ */
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+import java.io.Serializable;
+import java.util.List;
+
+
+/**
+ * The Class SearchedFolder.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 16, 2021
+ */
+public class SearchedData implements Serializable {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 6800997954077785719L;
+	private List<CatalogueDataset> data;
+	private int clientStartIndex = 0;
+	private int limit;
+	private int serverEndIndex = 0;
+	private boolean isServerSearchFinished = false;
+	private long totalItems;
+
+	/**
+	 * Instantiates a new searched folder.
+	 */
+	public SearchedData() {
+	}
+
+	/**
+	 * Instantiates a new searched data.
+	 *
+	 * @param clientStartIndex       the client start index
+	 * @param limit                  the limit
+	 * @param serverEndIndex         the server end index
+	 * @param isServerSearchFinished the is server search finished
+	 */
+	public SearchedData(int clientStartIndex, int limit, int serverEndIndex, boolean isServerSearchFinished) {
+
+		this.clientStartIndex = clientStartIndex;
+		this.limit = limit;
+		this.serverEndIndex = serverEndIndex;
+		this.isServerSearchFinished = isServerSearchFinished;
+	}
+
+	/**
+	 * Gets the data.
+	 *
+	 * @return the data
+	 */
+	public List<CatalogueDataset> getData() {
+		return data;
+	}
+
+	/**
+	 * Gets the client start index.
+	 *
+	 * @return the client start index
+	 */
+	public int getClientStartIndex() {
+		return clientStartIndex;
+	}
+
+	/**
+	 * Gets the limit.
+	 *
+	 * @return the limit
+	 */
+	public int getLimit() {
+		return limit;
+	}
+
+	/**
+	 * Gets the server end index.
+	 *
+	 * @return the server end index
+	 */
+	public int getServerEndIndex() {
+		return serverEndIndex;
+	}
+
+	/**
+	 * Checks if is server search finished.
+	 *
+	 * @return true, if is server search finished
+	 */
+	public boolean isServerSearchFinished() {
+		return isServerSearchFinished;
+	}
+
+	/**
+	 * Sets the data.
+	 *
+	 * @param data the new data
+	 */
+	public void setData(List<CatalogueDataset> data) {
+		this.data = data;
+	}
+
+	/**
+	 * Sets the client start index.
+	 *
+	 * @param clientStartIndex the new client start index
+	 */
+	public void setClientStartIndex(int clientStartIndex) {
+		this.clientStartIndex = clientStartIndex;
+	}
+
+	/**
+	 * Sets the limit.
+	 *
+	 * @param limit the new limit
+	 */
+	public void setLimit(int limit) {
+		this.limit = limit;
+	}
+
+	/**
+	 * Sets the server end index.
+	 *
+	 * @param serverEndIndex the new server end index
+	 */
+	public void setServerEndIndex(int serverEndIndex) {
+		this.serverEndIndex = serverEndIndex;
+	}
+
+	/**
+	 * Sets the server search finished.
+	 *
+	 * @param isServerSearchFinished the new server search finished
+	 */
+	public void setServerSearchFinished(boolean isServerSearchFinished) {
+		this.isServerSearchFinished = isServerSearchFinished;
+	}
+
+	/**
+	 * Gets the total items.
+	 *
+	 * @return the total items
+	 */
+	public long getTotalItems() {
+		return totalItems;
+	}
+
+	/**
+	 * Sets the total items.
+	 *
+	 * @param totalItems the new total items
+	 */
+	public void setTotalItems(long totalItems) {
+		this.totalItems = totalItems;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("SearchedData [data=");
+		builder.append(data);
+		builder.append(", clientStartIndex=");
+		builder.append(clientStartIndex);
+		builder.append(", limit=");
+		builder.append(limit);
+		builder.append(", serverEndIndex=");
+		builder.append(serverEndIndex);
+		builder.append(", isServerSearchFinished=");
+		builder.append(isServerSearchFinished);
+		builder.append(", totalItems=");
+		builder.append(totalItems);
+		builder.append("]");
+		return builder.toString();
+	}
+
+
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/SearchingFilter.java

@@ -0,0 +1,191 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * The Class SearchingFilter.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Apr 22, 2022
+ */
+public class SearchingFilter implements Serializable {
+
+	/**
+	 * The Enum ORDER.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Apr 22, 2022
+	 */
+	public static enum ORDER {
+		ASC("asc"), DESC("desc");
+
+		String label;
+
+		/**
+		 * Instantiates a new order.
+		 *
+		 * @param label the label
+		 */
+		ORDER(String label) {
+			this.label = label;
+		}
+
+		/**
+		 * Gets the label.
+		 *
+		 * @return the label
+		 */
+		public String getLabel() {
+			return label;
+		}
+	}
+
+	/**
+	 * The Enum LOGICAL_OP.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Dec 15, 2021
+	 */
+	public static enum LOGICAL_OP {
+		AND("AND"), OR("OR");
+
+		String operator;
+
+		/**
+		 * Instantiates a new order.
+		 *
+		 * @param operator the operator
+		 */
+		LOGICAL_OP(String operator) {
+			this.operator = operator;
+		}
+
+		/**
+		 * Gets the operator.
+		 *
+		 * @return the operator
+		 */
+		public String getOperator() {
+			return operator;
+		}
+	}
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -4004094263090373626L;
+
+	private List<ItemFieldDV> orderByFields;
+
+	private ORDER order = ORDER.ASC;
+
+	private List<WhereClause> conditions;
+
+	/**
+	 * Instantiates a new sort filter.
+	 */
+	public SearchingFilter() {
+
+	}
+
+	/**
+	 * Instantiates a new sort filter.
+	 *
+	 * @param orderByFields the order by fields
+	 * @param order         the order
+	 */
+	public SearchingFilter(List<ItemFieldDV> orderByFields, ORDER order) {
+		this.orderByFields = orderByFields;
+		this.order = order;
+	}
+
+	/**
+	 * Instantiates a new sort filter.
+	 *
+	 * @param orderByFields the order by fields
+	 * @param order         the order
+	 * @param conditions    the conditions
+	 */
+	public SearchingFilter(List<ItemFieldDV> orderByFields, ORDER order, List<WhereClause> conditions) {
+		this.orderByFields = orderByFields;
+		this.order = order;
+		this.conditions = conditions;
+	}
+
+	/**
+	 * Gets the conditions.
+	 *
+	 * @return the conditions
+	 */
+	public List<WhereClause> getConditions() {
+		return conditions;
+	}
+
+	/**
+	 * Sets the conditions.
+	 *
+	 * @param conditions the new conditions
+	 */
+	public void setConditions(List<WhereClause> conditions) {
+		this.conditions = conditions;
+	}
+
+	/**
+	 * Gets the order by fields.
+	 *
+	 * @return the order by fields
+	 */
+	public List<ItemFieldDV> getOrderByFields() {
+		return orderByFields;
+	}
+
+	/**
+	 * Gets the order.
+	 *
+	 * @return the order
+	 */
+	public ORDER getOrder() {
+		return order;
+	}
+
+	/**
+	 * Sets the order by fields.
+	 *
+	 * @param orderByFields the new order by fields
+	 */
+	public void setOrderByFields(List<ItemFieldDV> orderByFields) {
+		this.orderByFields = orderByFields;
+	}
+
+	/**
+	 * Sets the order.
+	 *
+	 * @param order the new order
+	 */
+	public void setOrder(ORDER order) {
+		this.order = order;
+	}
+
+	/**
+	 * To string.
+	 *
+	 * @return the string
+	 */
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("SearchingFilter [orderByFields=");
+		builder.append(orderByFields);
+		builder.append(", order=");
+		builder.append(order);
+		builder.append(", conditions=");
+		builder.append(conditions);
+		builder.append("]");
+		return builder.toString();
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/WhereClause.java

@@ -0,0 +1,98 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.shared;
+
+import java.io.Serializable;
+import java.util.Map;
+
+import org.gcube.portlets.widgets.ckancontentmoderator.shared.SearchingFilter.LOGICAL_OP;
+
+/**
+ * The Class WhereClause.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Apr 22, 2022
+ */
+public class WhereClause implements Serializable {
+
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -3354004449129217444L;
+
+	private LOGICAL_OP operator = LOGICAL_OP.OR;
+
+	private Map<String, Object> searchInto;
+
+	/**
+	 * Instantiates a new where clause.
+	 */
+	public WhereClause() {
+
+	}
+
+	/**
+	 * Instantiates a new where clause.
+	 *
+	 * @param operator   the operator
+	 * @param searchInto the search into
+	 */
+	public WhereClause(LOGICAL_OP operator, Map<String, Object> searchInto) {
+		super();
+		this.operator = operator;
+		this.searchInto = searchInto;
+	}
+
+	/**
+	 * Gets the operator.
+	 *
+	 * @return the operator
+	 */
+	public LOGICAL_OP getOperator() {
+		return operator;
+	}
+
+	/**
+	 * Gets the search into.
+	 *
+	 * @return the search into
+	 */
+	public Map<String, Object> getSearchInto() {
+		return searchInto;
+	}
+
+	/**
+	 * Sets the operator.
+	 *
+	 * @param operator the new operator
+	 */
+	public void setOperator(LOGICAL_OP operator) {
+		this.operator = operator;
+	}
+
+	/**
+	 * Sets the search into.
+	 *
+	 * @param searchInto the search into
+	 */
+	public void setSearchInto(Map<String, Object> searchInto) {
+		this.searchInto = searchInto;
+	}
+
+	/**
+	 * To string.
+	 *
+	 * @return the string
+	 */
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("WhereClause [operator=");
+		builder.append(operator);
+		builder.append(", searchInto=");
+		builder.append(searchInto);
+		builder.append("]");
+		return builder.toString();
+	}
+
+}

src/main/resources/org/gcube/portlets/widgets/ckancontentmoderator/CkanContentModeratorWidget.gwt.xml

@@ -1,22 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module rename-to='CkanContentModeratorWidget'>
-  <!-- Inherit the core Web Toolkit stuff.                        -->
+	<!-- Inherit the core Web Toolkit stuff. -->
-  <inherits name='com.google.gwt.user.User' />
+	<inherits name='com.google.gwt.user.User' />
 
-  <!-- Inherit the default GWT style sheet.  You can change       -->
+	<inherits
-  <!-- the theme of your GWT application by uncommenting          -->
+		name="org.gcube.datacatalogue.utillibrary.CkanUtilLibrary" />
-  <!-- any one of the following lines.                            -->
-  <inherits name='com.google.gwt.user.theme.standard.Standard' />
-  <!-- <inherits name='com.google.gwt.user.theme.chrome.Chrome'/> -->
-  <!-- <inherits name='com.google.gwt.user.theme.dark.Dark'/>     -->
 
-  <!-- Other module inherits                                      -->
+	<inherits name="com.github.gwtbootstrap.Bootstrap" />
 
-  <!-- Specify the app entry point class.                         -->
+	<!-- Other module inherits -->
-  <entry-point class='org.gcube.portlets.widgets.ckancontentmoderator.client.CkanContentModeratorWidget' />
 
-  <!-- Specify the paths for translatable code                    -->
+	<!-- Specify the app entry point class. -->
-  <source path='client' />
+	<!-- <entry-point class='org.gcube.portlets.widgets.ckancontentmoderator.client.CkanContentModeratorWidget' 
-  <source path='shared' />
+		/> -->
+
+	<!-- Specify the paths for translatable code -->
+	<source path='client' />
+	<source path='shared' />
+
+	<stylesheet src='content-moderator-widget.css' />
 
 </module>

src/main/resources/org/gcube/portlets/widgets/ckancontentmoderator/client/Messages_fr.properties

@@ -1,2 +0,0 @@
-sendButton = Envoyer
-nameField = Entrez votre nom

src/main/webapp/CkanContentModeratorWidget.css

@@ -32,3 +32,325 @@ h1 {
 #closeButton {
   margin: 15px 6px 6px;
 }
+
+
+
+
+html{
+    overflow-x: hidden !important;
+}
+
+body {
+    padding-top: 70px;
+}
+
+pre.prettyprint {
+    padding: 9.5px !important;
+    border: none !important;
+    margin-bottom: 0px !important;
+    background: transparent !important;
+    margin-bottom: 10px !important;
+}
+
+.page-header {
+    margin-top: 0px !important;
+}
+
+.progress{
+    background-color: #E8F4FD;
+}
+
+nav{
+    width: calc(100% - 240px);
+}
+
+nav .button-collapse i {
+    font-size: 24px !important;
+}
+
+/* Styles for Affix/sidebar shamelessly copied from http://getbootstrap.com/assets/css/docs.css */
+
+/* By default it's not affixed in mobile views, so undo that */
+.bs-sidebar.affix {
+    position: static;
+}
+
+/* First level of nav */
+.bs-sidenav {
+    margin-top: 30px;
+    margin-bottom: 30px;
+    padding-top: 10px;
+    padding-bottom: 10px;
+    text-shadow: 0 1px 0 #fff;
+    background-color: #f7f5fa;
+    border-radius: 5px;
+}
+
+/* All levels of nav */
+.bs-sidebar .nav > li > a {
+    display: block;
+    color: #716b7a;
+    padding: 5px 20px;
+}
+
+.bs-sidebar .nav > li > a:hover,
+.bs-sidebar .nav > li > a:focus {
+    text-decoration: none;
+    background-color: #e5e3e9;
+    border-right: 1px solid #dbd8e0;
+}
+
+.bs-sidebar .nav > .active > a,
+.bs-sidebar .nav > .active:hover > a,
+.bs-sidebar .nav > .active:focus > a {
+    font-weight: bold;
+    color: #563d7c;
+    background-color: transparent;
+    border-right: 1px solid #563d7c;
+}
+
+/* Nav: second level (shown on .active) */
+.bs-sidebar .nav .nav {
+    display: none; /* Hide by default, but at >768px, show it */
+    margin-bottom: 8px;
+}
+
+.bs-sidebar .nav .nav > li > a {
+    padding-top: 3px;
+    padding-bottom: 3px;
+    padding-left: 30px;
+    font-size: 90%;
+}
+
+/* Mobile down */
+@media only screen and (max-width: 600px) {
+    .panel {
+        padding: 0px !important;
+    }
+    pre.prettyprint {
+        width: calc(100vw - 80px);
+    }
+}
+@media only screen and (max-width: 992px) {
+    header {
+        width: 100% !important;
+    }
+}
+/* Tablets and up */
+@media screen and (min-width: 768px) {
+
+    /* Show the docs nav */
+    .bs-sidebar {
+        display: block;
+    }
+
+    /* Show the hidden subnavs when space allows it */
+    .bs-sidebar .nav > .active > ul {
+        display: block;
+    }
+}
+
+/* Tablets/desktops and up */
+@media screen and (min-width: 992px) {
+
+    /* Widen the fixed sidebar */
+    .bs-sidebar.affix,
+    .bs-sidebar.affix-bottom {
+        width: 213px;
+    }
+
+    .bs-sidebar.affix {
+        position: fixed; /* Undo the static from mobile-first approach */
+        top: 60px;
+    }
+
+    .bs-sidebar.affix-bottom {
+        position: absolute; /* Undo the static from mobile-first approach */
+    }
+
+    .bs-sidebar.affix-bottom .bs-sidenav,
+    .bs-sidebar.affix .bs-sidenav {
+        margin-top: 0;
+        margin-bottom: 0;
+    }
+}
+
+/* Large desktops and up */
+@media screen and (min-width: 1200px) {
+
+    /* Widen the fixed sidebar again */
+    .bs-sidebar.affix-bottom,
+    .bs-sidebar.affix {
+        width: 270px;
+    }
+}
+
+ul.side-nav.fixed li:hover,ul.side-nav.fixed li.active {
+    background-color: rgba(0, 0, 0, 0.05);
+}
+
+.side-nav .collapsible-body li.active, .side-nav.fixed .collapsible-body li.active {
+    background-color: rgba(0, 0, 0, 0.05);
+}
+
+/** Top Panel **/
+#customTable .top-panel {
+    background-color: white;
+    color: black;
+}
+
+/** ToolPanel icons **/
+#customTable .top-panel .tool-panel i {
+    color: #e91e63;
+}
+
+/** Hovering rows **/
+#customTable table tbody tr.data-row:hover {
+    background: rgba(33, 150, 243, 0.27);
+    color: #3f3f3f;
+}
+
+/** Columns **/
+#customTable table tbody td:nth-child(3) {
+    background: #2196f3 !important;
+    color: #fff;
+    border-bottom: 2px solid #1976d2;
+}
+
+/** Table Headers **/
+#customTable table thead tr th {
+    color: #1976d2;
+}
+
+/** Scroll Navigated menu **/
+.table-of-contents.pinned {
+    top: 80px !important;
+}
+
+.side-nav .collapsible-body li.active a, .side-nav.fixed .collapsible-body li.active a {
+    color: #000 !important;
+}
+
+body {
+    background: #e9e9e9;
+}
+
+main .panel {
+    margin-top: -40px;
+}
+
+main .panel, main {
+    background: none;
+}
+
+.code {
+    margin-bottom: 12px;
+}
+
+.code > div:not(.empty-state) h4 {
+    font-size: 1.2em;
+    margin-top: 0px !important;
+}
+
+.code div p.range-field {
+    margin-bottom: 0px;
+}
+
+.code div p {
+    margin-bottom: 20px;
+}
+
+.code {
+    padding: 20px;
+    margin-bottom: 12px;
+    background: #fff;
+    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
+}
+
+.TouchSplitter h4 {
+    padding-top: 100px;
+}
+
+/** Set ids using widget.getElement().setId("idOfElement") */
+#closeButton {
+    margin: 15px 6px 6px;
+}
+
+table tbody tr td img {
+    max-width: initial !important;
+}
+
+.side-nav {
+    height: 100% !important;
+    box-sizing: border-box !important;
+    -moz-box-sizing: border-box !important;
+    -webkit-box-sizing: border-box !important
+}
+
+pre {
+    padding-top: 20px;
+    white-space: pre;
+    background: #F3FBFF;
+    border: 1px solid rgba(51, 51, 51, .12);
+    font-size: 1.2em;
+    padding-left: 10px
+}
+
+.tag {
+    color: #905
+}
+
+.attr {
+    color: #690
+}
+
+.comment {
+    color: #999
+}
+
+h1 {
+    font-size: 2em;
+    font-weight: 700;
+    color: #777;
+    margin: 40px 0 70px;
+    text-align: center
+}
+
+.sendButton {
+    display: block;
+    font-size: 16pt
+}
+
+.gwt-DialogBox {
+    width: 400px
+}
+
+.dialogVPanel {
+    margin: 5px
+}
+
+.serverResponseLabelError {
+    color: red
+}
+
+#closeButton {
+    margin: 15px 6px 6px
+}
+
+.gitter-open-chat-button, .gitter-open-chat-button:visited {
+    background: #2465c0
+}
+
+aside.gitter-chat-embed {
+    z-index: 9999
+}
+
+/** Carousel **/
+#demo-carousel-fixed {
+    bottom: 16%;
+    position: fixed;
+    text-align: center;
+    left: calc(50% - 90px);
+    z-index: 1;
+    z-index: 999;
+}

src/main/webapp/CkanContentModeratorWidget.html

@@ -6,58 +6,47 @@
 <!-- differences in layout.                        -->
 
 <html>
-  <head>
+<head>
-    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
 
-    <!--                                                               -->
+<!--                                                               -->
-    <!-- Consider inlining CSS to reduce the number of requested files -->
+<!-- Consider inlining CSS to reduce the number of requested files -->
-    <!--                                                               -->
+<!--                                                               -->
-    <link type="text/css" rel="stylesheet" href="CkanContentModeratorWidget.css">
+<link type="text/css" rel="stylesheet"
+	href="CkanContentModeratorWidget.css">
 
-    <!--                                           -->
+<!--                                           -->
-    <!-- Any title is fine                         -->
+<!-- Any title is fine                         -->
-    <!--                                           -->
+<!--                                           -->
-    <title>Web Application Starter Project</title>
+<title>Web Application Starter Project</title>
 
-    <!--                                           -->
+<!--                                           -->
-    <!-- This script loads your compiled module.   -->
+<!-- This script loads your compiled module.   -->
-    <!-- If you add any GWT meta tags, they must   -->
+<!-- If you add any GWT meta tags, they must   -->
-    <!-- be added before this line.                -->
+<!-- be added before this line.                -->
-    <!--                                           -->
+<!--                                           -->
-    <script type="text/javascript" language="javascript" src="CkanContentModeratorWidget/CkanContentModeratorWidget.nocache.js"></script>
+<script type="text/javascript" language="javascript"
-  </head>
+	src="CkanContentModeratorWidget/CkanContentModeratorWidget.nocache.js"></script>
+</head>
 
-  <!--                                           -->
+<!--                                           -->
-  <!-- The body can have arbitrary html, or      -->
+<!-- The body can have arbitrary html, or      -->
-  <!-- you can leave the body empty if you want  -->
+<!-- you can leave the body empty if you want  -->
-  <!-- to create a completely dynamic UI.        -->
+<!-- to create a completely dynamic UI.        -->
-  <!--                                           -->
+<!--                                           -->
-  <body>
+<body>
 
-    <!-- OPTIONAL: include this if you want history support -->
+	<!-- OPTIONAL: include this if you want history support -->
-    <iframe src="javascript:''" id="__gwt_historyFrame" tabIndex='-1' style="position:absolute;width:0;height:0;border:0"></iframe>
+	<iframe src="javascript:''" id="__gwt_historyFrame" tabIndex='-1'
+		style="position: absolute; width: 0; height: 0; border: 0"></iframe>
 
-    <!-- RECOMMENDED if your web app will not function without JavaScript enabled -->
+	<!-- RECOMMENDED if your web app will not function without JavaScript enabled -->
-    <noscript>
+	<noscript>
-      <div style="width: 22em; position: absolute; left: 50%; margin-left: -11em; color: red; background-color: white; border: 1px solid red; padding: 4px; font-family: sans-serif">
+		<div
-        Your web browser must have JavaScript enabled
+			style="width: 22em; position: absolute; left: 50%; margin-left: -11em; color: red; background-color: white; border: 1px solid red; padding: 4px; font-family: sans-serif">
-        in order for this application to display correctly.
+			Your web browser must have JavaScript enabled in order for this
-      </div>
+			application to display correctly.</div>
-    </noscript>
+	</noscript>
-
+	<div id="theContentModeratorDiv"></div>
-    <h1>Web Application Starter Project</h1>
+</body>
-
-    <table align="center">
-      <tr>
-        <td colspan="2" style="font-weight:bold;">Please enter your name:</td>
-      </tr>
-      <tr>
-        <td id="nameFieldContainer"></td>
-        <td id="sendButtonContainer"></td>
-      </tr>
-      <tr>
-        <td colspan="2" style="color:red;" id="errorLabelContainer"></td>
-      </tr>
-    </table>
-  </body>
 </html>

src/main/webapp/WEB-INF/web.xml

@@ -1,24 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE web-app
+<web-app xmlns="http://java.sun.com/xml/ns/javaee"
-    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    "http://java.sun.com/dtd/web-app_2_3.dtd">
+	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
+          http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+	version="3.0">
 
-<web-app>
+	<servlet>
+		<servlet-name>ckanContentModeratorServlet</servlet-name>
+		<servlet-class>org.gcube.portlets.widgets.ckancontentmoderator.server.CkanContentModeratorServiceImpl</servlet-class>
+	</servlet>
 
-  <!-- Servlets -->
+	<servlet-mapping>
-  <servlet>
+		<servlet-name>ckanContentModeratorServlet</servlet-name>
-    <servlet-name>greetServlet</servlet-name>
+		<url-pattern>/CkanContentModeratorWidget/ckanContentModeratorService</url-pattern>
-    <servlet-class>org.gcube.portlets.widgets.ckancontentmoderator.server.GreetingServiceImpl</servlet-class>
+	</servlet-mapping>
-  </servlet>
 
-  <servlet-mapping>
+	<!-- Default page to serve -->
-    <servlet-name>greetServlet</servlet-name>
+	<welcome-file-list>
-    <url-pattern>/CkanContentModeratorWidget/greet</url-pattern>
+		<welcome-file>CkanContentModeratorWidget.html</welcome-file>
-  </servlet-mapping>
+	</welcome-file-list>
-
-  <!-- Default page to serve -->
-  <welcome-file-list>
-    <welcome-file>CkanContentModeratorWidget.html</welcome-file>
-  </welcome-file-list>
 
 </web-app>

src/test/java/org/gcube/portlets/widgets/ckancontentmoderator/server/CkanContentModeratorServiceAImplTest.java

@@ -1,14 +0,0 @@
-package org.gcube.portlets.widgets.ckancontentmoderator.server;
-
-import static org.junit.Assert.*;
-
-import org.junit.Test;
-
-public class CkanContentModeratorServiceAImplTest {
-
-	@Test
-	public void test() {
-		fail("Not yet implemented");
-	}
-
-}

src/test/java/org/gcube/portlets/widgets/ckancontentmoderator/server/CkanContentModeratorServiceTest.java

@@ -0,0 +1,53 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.server;
+
+import static org.junit.Assert.fail;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
+import org.gcube.common.scope.api.ScopeProvider;
+import org.gcube.datacatalogue.utillibrary.gcat.GCatCaller;
+import org.gcube.datacatalogue.utillibrary.server.cms.CatalogueContentModeratorSystem;
+import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
+import org.gcube.datacatalogue.utillibrary.shared.jackan.model.CkanDataset;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.ContentModeratorWidgetConstants;
+import org.slf4j.LoggerFactory;
+
+public class CkanContentModeratorServiceTest {
+
+	//private String scope = "/gcube/devsec/devVRE";
+	private String scope = "/pred4s/preprod/Dorne";
+	private String testUser = "francesco.mangiacrapa";
+	private String authorizationToken = "";
+	
+	private static final org.slf4j.Logger LOG = LoggerFactory.getLogger(CkanContentModeratorServiceTest.class);
+	
+	//@Test
+	public void test() {
+		fail("Not yet implemented");
+	}
+	
+	//@Test
+	public void loadItemsForStatus()  {
+		ScopeProvider.instance.set(scope);
+		SecurityTokenProvider.instance.set(authorizationToken);
+		ItemStatus itemStatus = ItemStatus.PENDING;
+		try {
+			CatalogueContentModeratorSystem cms = CatalogueCMSFactory.getFactory().getCMSPerScope(scope);
+			Map<String, String> filters = new HashMap<String, String>(1);
+			filters.put(ContentModeratorWidgetConstants.CKAN_FIELD_NAME_AUTHOR_MAIL, "francesco.mangiacrapa@isti.cnr.it");
+			List<CkanDataset> items = cms.getListItemsForStatus(itemStatus, 20, 0, filters, GCatCaller.DEFAULT_SORT_VALUE);
+			int i = 0;
+			System.out.println("Datasets with status "+itemStatus+" are: "+items.size());
+			for (CkanDataset ckanDataset : items) {
+				System.out.println(i++ +")Read dataset: "+ckanDataset);
+			}
+		} catch (Exception e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+
+}

src/test/resources/.gitignore

@@ -0,0 +1,8 @@
+/devNext.gcubekey
+/devVRE.gcubekey
+/devsec.gcubekey
+/gCubeApps.gcubekey
+/gcube.gcubekey
+/log4j.properties
+/pred4s.gcubekey
+/preprod.gcubekey