git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/portlets/user/message-conversations@154393 82a268e6-3cf1-43bd-a215-b396298e98cf

7 years ago · fd563a702e
parent 21eea1df57
commit fd563a702e
74 changed files with 4627 additions and 0 deletions
--- a/.classpath
+++ b/.classpath
@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/messages-2.0.0-SNAPSHOT/WEB-INF/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/messages-2.0.0-SNAPSHOT/WEB-INF/classes" path="src/main/resources">
+		<attributes>
+			<attribute name="maven.pomderived" 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">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="org.eclipse.jst.component.dependency" value="/WEB-INF/lib"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/messages-2.0.0-SNAPSHOT/WEB-INF/classes" path="target/generated-sources/gwt">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="com.gwtplugins.gwt.eclipse.core.GWT_CONTAINER/gwt-2.8.1"/>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/messages-2.0.0-SNAPSHOT/WEB-INF/classes"/>
+</classpath>
--- a/.project
+++ b/.project
@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>message-conversations</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.common.project.facet.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.validation.validationbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.google.gdt.eclipse.core.webAppProjectValidator</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.google.gwt.eclipse.core.gwtProjectValidator</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
+		<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+		<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
+		<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
+		<nature>com.liferay.ide.core.liferayNature</nature>
+		<nature>com.google.gwt.eclipse.core.gwtNature</nature>
+	</natures>
+</projectDescription>
--- a/.settings/.jsdtscope
+++ b/.settings/.jsdtscope
@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src/main/webapp"/>
+	<classpathentry excluding="**/bower_components/*|**/node_modules/*|**/*.min.js" kind="src" path="target/m2e-wtp/web-resources"/>
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.WebProject">
+		<attributes>
+			<attribute name="hide" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.baseBrowserLibrary"/>
+	<classpathentry kind="output" path=""/>
+</classpath>
--- a/.settings/com.google.gdt.eclipse.core.prefs
+++ b/.settings/com.google.gdt.eclipse.core.prefs
@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+lastWarOutDir=/Users/massi/Documents/workspace/message-conversations/target/message-conversations-0.0.1-SNAPSHOT
+warSrcDir=src/main/webapp
+warSrcDirIsOutput=false
--- a/.settings/com.google.gwt.eclipse.core.prefs
+++ b/.settings/com.google.gwt.eclipse.core.prefs
@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+entryPointModules=
+filesCopiedToWebInfLib=
--- a/.settings/com.gwtplugins.gdt.eclipse.core.prefs
+++ b/.settings/com.gwtplugins.gdt.eclipse.core.prefs
@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+warSrcDir=src/main/webapp
+warSrcDirIsOutput=false
--- a/.settings/com.gwtplugins.gwt.eclipse.core.prefs
+++ b/.settings/com.gwtplugins.gwt.eclipse.core.prefs
@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+entryPointModules=
+filesCopiedToWebInfLib=
--- a/.settings/org.eclipse.core.resources.prefs
+++ b/.settings/org.eclipse.core.resources.prefs
@ -0,0 +1,5 @@
+eclipse.preferences.version=1
+encoding//src/main/java=UTF-8
+encoding//src/main/resources=UTF-8
+encoding//target/generated-sources/gwt=UTF-8
+encoding/<project>=UTF-8
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@ -0,0 +1,8 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.8
--- a/.settings/org.eclipse.jst.jsp.core.prefs
+++ b/.settings/org.eclipse.jst.jsp.core.prefs
@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+validateFragments=false
+validation.use-project-settings=true
--- a/.settings/org.eclipse.m2e.core.prefs
+++ b/.settings/org.eclipse.m2e.core.prefs
@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1
--- a/.settings/org.eclipse.wst.common.component
+++ b/.settings/org.eclipse.wst.common.component
@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
+    <wb-module deploy-name="message-conversations-portlet">
+        <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="/src/main/resources"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/target/generated-sources/gwt"/>
+        <dependent-module archiveName="client-context-library-1.0.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/client-context-library/client-context-library">
+            <dependency-type>uses</dependency-type>
+        </dependent-module>
+        <property name="java-output-path" value="/message-conversations/target/message-conversations-0.0.1-SNAPSHOT/WEB-INF/classes"/>
+        <property name="context-root" value="messages"/>
+    </wb-module>
+</project-modules>
--- a/.settings/org.eclipse.wst.common.project.facet.core.xml
+++ b/.settings/org.eclipse.wst.common.project.facet.core.xml
@ -0,0 +1,8 @@
+<?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="3.0"/>
+  <installed facet="wst.jsdt.web" version="1.0"/>
+  <installed facet="liferay.portlet" version="6.0"/>
+</faceted-project>
--- a/.settings/org.eclipse.wst.jsdt.ui.superType.container
+++ b/.settings/org.eclipse.wst.jsdt.ui.superType.container
@ -0,0 +1 @@
+org.eclipse.wst.jsdt.launching.baseBrowserLibrary
--- a/.settings/org.eclipse.wst.jsdt.ui.superType.name
+++ b/.settings/org.eclipse.wst.jsdt.ui.superType.name
@ -0,0 +1 @@
+Window
--- a/.settings/org.eclipse.wst.validation.prefs
+++ b/.settings/org.eclipse.wst.validation.prefs
@ -0,0 +1,2 @@
+disabled=06target
+eclipse.preferences.version=1
--- a/.tern-project
+++ b/.tern-project
@ -0,0 +1,23 @@
+{
+  "plugins": {
+    "guess-types": {
+      
+    },
+    "outline": {
+      
+    },
+    "liferay": {
+      
+    },
+    "yui3": {
+      
+    },
+    "aui2.0.x": {
+      
+    }
+  },
+  "libs": [
+    "ecma5",
+    "browser"
+  ]
+}
--- a/distro/LICENSE
+++ b/distro/LICENSE
@ -0,0 +1 @@
+${gcube.license}
--- a/distro/README
+++ b/distro/README
@ -0,0 +1,61 @@
+The gCube System - ${name}
+--------------------------------------------------
+ 
+${description}
+ 
+ 
+${gcube.description}
+ 
+${gcube.funding}
+ 
+ 
+Version
+--------------------------------------------------
+ 
+${version} (${buildDate})
+ 
+Please see the file named "changelog.xml" in this directory for the release notes.
+ 
+ 
+Authors
+--------------------------------------------------
+ 
+* Massimiliano Assante (massimiliano.assante-AT-isti.cnr.it), Istituto di Scienza e Tecnologie dell'Informazione "A. Faedo" - CNR, Pisa (Italy). 
+ 
+Maintainers
+-----------
+ 
+* Francesco Mangiacrapa (francesco.mangiacrapa-AT-isti.cnr.it), Istituto di Scienza e Tecnologie dell'Informazione "A. Faedo" - CNR, Pisa (Italy). 
+* Massimiliano Assante (massimiliano.assante-AT-isti.cnr.it), Istituto di Scienza e Tecnologie dell'Informazione "A. Faedo" - CNR, Pisa (Italy). 
+ 
+Download information
+--------------------------------------------------
+ 
+Source code is available from SVN: 
+    ${scm.url}
+ 
+Binaries can be downloaded from the gCube website: 
+   ${gcube.website}
+ 
+ 
+Installation
+--------------------------------------------------
+
+ 
+Documentation 
+--------------------------------------------------
+ 
+Documentation is available on-line in the gCube Wiki:
+    ${gcube.wikiRoot}/Workspace
+ 
+Support 
+--------------------------------------------------
+ 
+Bugs and support requests can be reported in the gCube issue tracking tool:
+    ${gcube.issueTracking}
+ 
+ 
+Licensing
+--------------------------------------------------
+ 
+This software is licensed under the terms you may find in the file named "LICENSE" in this directory.
--- a/distro/changelog.xml
+++ b/distro/changelog.xml
@ -0,0 +1,50 @@
+<ReleaseNotes>
+	<Changeset component="org.gcube.portlets-user.messages.2-0-0"
+		date="2017-09-21">
+		<Change>Improved look and feel</Change>
+		<Change>Responsive, works on mobile</Change>
+	</Changeset>
+	<Changeset component="org.gcube.portlets-user.messages.1-3-0"
+		date="2016-11-28">
+		<Change>Removed ASL Session</Change>
+	</Changeset>
+	<Changeset component="org.gcube.portlets-user.messages.0-8-0"
+		date="2015-10-08">
+		<Change>[Feature #879] Message Improvements</Change>
+	</Changeset>
+	<Changeset component="org.gcube.portlets-user.messages.0-7-0"
+		date="2015-06-05">
+		<Change>Upgraded to GWT 2.7</Change>
+		<Change>[Feature #129] Porting to HL 2.0</Change>
+	</Changeset>
+	<Changeset component="org.gcube.portlets-user.messages.0-6-0"
+		date="2013-06-04">
+		<Change>Fixed bug on "reply all"</Change>
+		<Change>Changed icons</Change>
+	</Changeset>
+	<Changeset component="org.gcube.portlets-user.messages.0-5-0"
+		date="2013-06-04">
+		<Change>Updated pom to support new gcube core (gcube release 3.2)
+		</Change>
+	</Changeset>
+	<Changeset component="org.gcube.portlets-user.messages.0-4-0"
+		date="2013-10-21">
+		<Change>#Ticket 2223. This project was enhancements to gwt 2.5.1
+		</Change>
+		<Change>GCF dependency was removed</Change>
+	</Changeset>
+	<Changeset component="org.gcube.portlets-user.messages.0-3-0"
+		date="2013-07-08">
+		<Change>Updated show attachments: this functionality now calls the
+			servlet contained in ws-tree
+		</Change>
+		<Change>Error management for attachments: it was added redirect
+			functionality in download servlet
+		</Change>
+		<Change>Fixed Ticket #1348</Change>
+	</Changeset>
+	<Changeset component="org.gcube.portlets-user.messages.0-1-0"
+		date="2013-01-13">
+		<Change>First Release</Change>
+	</Changeset>
+</ReleaseNotes>
--- a/distro/descriptor.xml
+++ b/distro/descriptor.xml
@ -0,0 +1,32 @@
+<assembly
+	xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+	<id>servicearchive</id>
+	<formats>
+		<format>tar.gz</format>
+	</formats>
+	<baseDirectory>/</baseDirectory>
+	<fileSets>
+		<fileSet>
+			<directory>${distroDirectory}</directory>
+			<outputDirectory>/</outputDirectory>
+			<useDefaultExcludes>true</useDefaultExcludes>
+			<includes>
+				<include>README</include>
+				<include>LICENSE</include>
+				<include>changelog.xml</include>
+                                <include>profile.xml</include>
+			</includes>
+			<fileMode>755</fileMode>
+			<filtered>true</filtered>
+		</fileSet>
+	</fileSets>
+	<files>
+		<file>
+			<source>target/${build.finalName}.${project.packaging}</source>
+			<outputDirectory>/${artifactId}</outputDirectory>
+		</file>
+
+	</files>
+</assembly>
--- a/distro/profile.xml
+++ b/distro/profile.xml
@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+	<ID></ID>
+	<Type>Service</Type>
+	<Profile>
+		<Description>${description}</Description>
+		<Class>PortletUser</Class>
+		<Name>${artifactId}</Name>
+		<Version>${version}</Version>
+		<Packages>
+			<Software>
+				<Name>${artifactId}</Name>
+				<Version>${version}</Version>
+				<MavenCoordinates>
+					<groupId>${groupId}</groupId>
+					<artifactId>${artifactId}</artifactId>
+					<version>${version}</version>
+				</MavenCoordinates>
+				<Files>
+					<File>target/${build.finalName}.war</File>
+				</Files>
+			</Software>
+		</Packages>
+	</Profile>
+</Resource>
--- a/pom.xml
+++ b/pom.xml
@ -0,0 +1,308 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<artifactId>maven-parent</artifactId>
+		<groupId>org.gcube.tools</groupId>
+		<version>1.0.0</version>
+		<relativePath />
+	</parent>
+	<groupId>org.gcube.portets.user</groupId>
+	<artifactId>messages</artifactId>
+	<packaging>war</packaging>
+	<version>2.0.0-SNAPSHOT</version>
+	<description>
+		gCube Messages Portlet for exchanging messages with other users.
+	</description>
+	<scm>
+		<connection>scm:svn:http://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/message-conversations</connection>
+		<developerConnection>scm:https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/message-conversations</developerConnection>
+		<url>http://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/message-conversations</url>
+	</scm>
+
+	<properties>
+		<!-- Convenience property to set the GWT version -->
+		<gwt.version>2.8.1</gwt.version>
+		<distroDirectory>distro</distroDirectory>
+		<!-- GWT 2.8 requires 1.8 -->
+		<maven.compiler.source>1.8</maven.compiler.source>
+		<maven.compiler.target>1.8</maven.compiler.target>
+		<gwt-material.version>2.0-rc6</gwt-material.version>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+	</properties>
+
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>org.gcube.distribution</groupId>
+				<artifactId>maven-portal-bom</artifactId>
+				<version>LATEST</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+			<dependency>
+				<groupId>com.google.gwt</groupId>
+				<artifactId>gwt</artifactId>
+				<version>${gwt.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.gcube.portlets.widgets</groupId>
+			<artifactId>workspace-explorer</artifactId>
+			<version>[1.8.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.applicationsupportlayer</groupId>
+			<artifactId>aslsocial</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.common.portal</groupId>
+			<artifactId>portal-manager</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.portal</groupId>
+			<artifactId>client-context-library</artifactId>
+			<version>[1.0.0-SNAPSHOT,)</version>
+			<scope>compile</scope>
+		</dependency>
+		<dependency>
+			<groupId>javax.portlet</groupId>
+			<artifactId>portlet-api</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>com.google.gwt</groupId>
+			<artifactId>gwt-servlet</artifactId>
+			<version>${gwt.version}</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>com.google.gwt</groupId>
+			<artifactId>gwt-user</artifactId>
+			<version>${gwt.version}</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>com.google.gwt</groupId>
+			<artifactId>gwt-dev</artifactId>
+			<version>${gwt.version}</version>
+			<scope>provided</scope>
+		</dependency>
+		<!-- FWS -->
+		<dependency>
+			<groupId>org.gcube.core</groupId>
+			<artifactId>common-scope-maps</artifactId>
+			<scope>compile</scope>
+		</dependency>
+		<!-- GwtMaterial -->
+		<dependency>
+			<groupId>com.github.gwtmaterialdesign</groupId>
+			<artifactId>gwt-material</artifactId>
+			<version>${gwt-material.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>com.github.gwtmaterialdesign</groupId>
+			<artifactId>gwt-material-themes</artifactId>
+			<version>${gwt-material.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>com.github.gwtmaterialdesign</groupId>
+			<artifactId>gwt-material-addins</artifactId>
+			<version>${gwt-material.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.portal</groupId>
+			<artifactId>notifications-common-library</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<!-- HOME LIBRARY -->
+		<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>home-library-jcr</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>home-library-model</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>home-library</artifactId>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<artifactId>asm-all</artifactId>
+					<groupId>asm</groupId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>xml-apis</groupId>
+			<artifactId>xml-apis</artifactId>
+			<version>1.4.01</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>javax.servlet-api</artifactId>
+			<!-- <version>3.1.0</version> -->
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.dvos</groupId>
+			<artifactId>usermanagement-core</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>authorization-client</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>common-authorization</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>com.liferay.portal</groupId>
+			<artifactId>portal-service</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>com.liferay.portal</groupId>
+			<artifactId>util-java</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.11</version>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<!-- Output classes directly into the webapp, so that IDEs and "mvn process-classes" 
+			update them in DevMode -->
+		<outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/classes</outputDirectory>
+
+		<plugins>
+
+			<!-- Mojo's Maven Plugin for GWT -->
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>gwt-maven-plugin</artifactId>
+				<version>2.8.1</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>compile</goal>
+							<goal>generateAsync</goal>
+						</goals>
+					</execution>
+				</executions>
+				<!-- Plugin configuration. There are many available options, see gwt-maven-plugin 
+					documentation at codehaus.org -->
+				<configuration>
+					<runTarget>MessageConversations.html</runTarget>
+					<modules>
+						<module>org.gcube.portets.user.message_conversations.MessageConversations</module>
+					</modules>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-javadoc-plugin</artifactId>
+				<version>3.0.0-M1</version>
+				<configuration>
+					<additionalparam>-Xdoclint:none</additionalparam>
+				</configuration>
+			</plugin>
+			<!-- Copy static web files before executing gwt:run -->
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-war-plugin</artifactId>
+				<version>2.1.1</version>
+				<executions>
+					<execution>
+						<phase>compile</phase>
+						<goals>
+							<goal>exploded</goal>
+
+						</goals>
+					</execution>
+				</executions>
+				<configuration>
+					<webappDirectory>${webappDirectory}</webappDirectory>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>2.3.2</version>
+				<configuration>
+					<source>${maven.compiler.source}</source>
+					<target>${maven.compiler.target}</target>
+				</configuration>
+			</plugin>
+			<!-- SA Plugin -->
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<version>2.2</version>
+				<configuration>
+					<descriptors>
+						<descriptor>${distroDirectory}/descriptor.xml</descriptor>
+					</descriptors>
+				</configuration>
+				<executions>
+					<execution>
+						<id>servicearchive</id>
+						<phase>install</phase>
+						<goals>
+							<goal>single</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-resources-plugin</artifactId>
+				<version>2.5</version>
+				<executions>
+					<execution>
+						<id>copy-profile</id>
+						<phase>install</phase>
+						<goals>
+							<goal>copy-resources</goal>
+						</goals>
+						<configuration>
+							<outputDirectory>target</outputDirectory>
+							<resources>
+								<resource>
+									<directory>${distroDirectory}</directory>
+									<filtering>true</filtering>
+									<includes>
+										<include>profile.xml</include>
+									</includes>
+								</resource>
+							</resources>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/MessageConversations.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/MessageConversations.java
@ -0,0 +1,39 @@
+package org.gcube.portets.user.message_conversations.client;
+
+import org.gcube.portets.user.message_conversations.client.ui.ApplicationView;
+
+import com.google.gwt.core.client.EntryPoint;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.rpc.ServiceDefTarget;
+import com.google.gwt.user.client.ui.RootPanel;
+
+/**
+ * Entry point classes define <code>onModuleLoad()</code>.
+ */
+public class MessageConversations implements EntryPoint {
+	public static final String DIV_CONTAINER_ID = "create-users-container";
+	/**
+	 * Create a remote service proxy to talk to the server-side Greeting service.
+	 */
+	
+	private final MessageServiceAsync convService = GWT.create(MessageService.class);
+	private ApplicationView ap;
+
+	/**
+	 * This is the entry point method.
+	 */
+	public void onModuleLoad() {
+		((ServiceDefTarget) convService).setServiceEntryPoint("/delegate/message-conversations");
+		ap = new ApplicationView();
+		RootPanel.get(DIV_CONTAINER_ID).add(ap);
+		ap.readUserMessages(false);
+		
+	}
+
+	
+
+	
+
+	
+	
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/MessageService.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/MessageService.java
@ -0,0 +1,25 @@
+package org.gcube.portets.user.message_conversations.client;
+
+import java.util.ArrayList;
+
+import org.gcube.portets.user.message_conversations.shared.ConvMessage;
+import org.gcube.portets.user.message_conversations.shared.CurrUserAndPortalUsersWrapper;
+import org.gcube.portets.user.message_conversations.shared.WSUser;
+
+import com.google.gwt.user.client.rpc.RemoteService;
+
+/**
+ * The client side stub for the RPC service.
+ */
+public interface MessageService extends RemoteService {
+
+  ArrayList<ConvMessage> getMessages(boolean sent);
+  ConvMessage getMessageById(String messageId, boolean sent);
+  CurrUserAndPortalUsersWrapper getWorkspaceUsers();
+  ArrayList<WSUser> searchUsers(String keyword);
+  boolean sendToById(ArrayList<String> recipientIds, ArrayList<String> listAttachmentsId, String subject, String body);
+  boolean deleteMessageById(String messageId, boolean sent);
+  String getAttachmentDownloadURL(String itemId);
+  boolean saveAttachmentToWorkspaceFolder(String itemId, String destinationFolderId);
+  boolean markMessageUnread(String messageId);
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/Utils.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/Utils.java
@ -0,0 +1,51 @@
+package org.gcube.portets.user.message_conversations.client;
+
+import java.util.Date;
+
+import com.google.gwt.i18n.client.DateTimeFormat;
+import com.google.gwt.user.client.Random;
+import com.google.gwt.user.client.ui.RootPanel;
+import com.google.gwt.user.datepicker.client.CalendarUtil;
+
+import gwt.material.design.client.constants.Color;
+
+public class Utils {
+	public static DateTimeFormat fmCurrentYear = DateTimeFormat.getFormat("MMM d H:mm");
+	public static DateTimeFormat fmPastYears = DateTimeFormat.getFormat("MMM d H:mm ''yy");
+	
+	public static Color getRandomColor() {
+		Color toReturn = Color.values()[Random.nextInt(Color.values().length)];
+		while (toReturn.name().startsWith("WHITE") || 
+				toReturn.name().startsWith("GREY") || 
+				toReturn.name().startsWith("TRANSPARENT") ||
+				toReturn.name().startsWith("BROWN") || 
+				toReturn.name().contains("LIGHTEN")  || 
+				toReturn.name().contains("ACCENT")) {
+			toReturn = Color.values()[Random.nextInt(Color.values().length)];
+		}
+		return toReturn;
+	}
+	
+	
+	public static boolean isMobile() {
+		int screenWidth = RootPanel.get(MessageConversations.DIV_CONTAINER_ID).getOffsetWidth();
+		return (screenWidth <= 768);
+	}
+	
+	@SuppressWarnings("deprecation")
+	public static String getFormatteDate(Date date) {
+		Date now = new Date();		
+		int dayInBetween = CalendarUtil.getDaysBetween(now, date);
+		switch (dayInBetween) {
+		case 0: 
+			return"Today at " +  (DateTimeFormat.getFormat("H:mm").format(date));
+		case -1: 
+			return "Yesterday, "  +  (DateTimeFormat.getFormat("H:mm").format(date));
+		case -2: 
+			return "2 days ago, "  +  (DateTimeFormat.getFormat("H:mm").format(date));
+		default:
+			return(now.getYear() == date.getYear()) ? fmCurrentYear.format(date) : fmPastYears.format(date);
+		}
+	}
+	
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/MaterialAutoComplete.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/MaterialAutoComplete.java
@ -0,0 +1,706 @@
+package org.gcube.portets.user.message_conversations.client.autocomplete;
+
+import com.google.gwt.dom.client.Document;
+import com.google.gwt.event.dom.client.*;
+import com.google.gwt.event.logical.shared.*;
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.ui.*;
+import com.google.gwt.user.client.ui.SuggestOracle.Suggestion;
+import gwt.material.design.addins.client.MaterialAddins;
+import gwt.material.design.addins.client.autocomplete.constants.AutocompleteType;
+import gwt.material.design.addins.client.base.constants.AddinsCssName;
+import gwt.material.design.client.MaterialDesignBase;
+import gwt.material.design.client.base.*;
+import gwt.material.design.client.base.mixin.*;
+import gwt.material.design.client.constants.CssName;
+import gwt.material.design.client.constants.IconType;
+import gwt.material.design.client.constants.ProgressType;
+import gwt.material.design.client.ui.MaterialChip;
+import gwt.material.design.client.ui.MaterialLabel;
+import gwt.material.design.client.ui.html.Label;
+import gwt.material.design.client.ui.html.ListItem;
+import gwt.material.design.client.ui.html.UnorderedList;
+
+import java.util.*;
+import java.util.Map.Entry;
+
+/**
+ *
+ * @author kevzlou7979
+ * @author gilberto-torrezan
+ * @author M. Assante, CNR-ISTI
+ * @see <a href="http://gwtmaterialdesign.github.io/gwt-material-demo/#!autocomplete">Material AutoComplete</a>
+ */
+// @formatter:on
+public class MaterialAutoComplete extends AbstractValueWidget<List<? extends Suggestion>> implements HasPlaceholder,
+        HasProgress, HasType<AutocompleteType>, HasSelectionHandlers<Suggestion>, HasReadOnly {
+
+    static {
+        if (MaterialAddins.isDebug()) {
+            MaterialDesignBase.injectCss(MaterialAutocompleteDebugClientBundle.INSTANCE.autocompleteCssDebug());
+        } else {
+            MaterialDesignBase.injectCss(MaterialAutocompleteClientBundle.INSTANCE.autocompleteCss());
+        }
+    }
+
+    private Map<Suggestion, Widget> suggestionMap = new LinkedHashMap<>();
+    private Label placeholderLabel = new Label();
+
+    private List<ListItem> itemsHighlighted = new ArrayList<>();
+    private FlowPanel panel = new FlowPanel();
+    private UnorderedList list = new UnorderedList();
+    private SuggestOracle suggestions;
+    private TextBox itemBox = new TextBox();
+    private SuggestBox suggestBox;
+    private int limit = 0;
+    private MaterialLabel errorLabel = new MaterialLabel();
+    private final ProgressMixin<MaterialAutoComplete> progressMixin = new ProgressMixin<>(this);
+
+    private String selectedChipStyle = "blue white-text";
+    private boolean directInputAllowed = true;
+    private MaterialChipProvider chipProvider = new DefaultMaterialChipProvider();
+
+    private final ErrorMixin<AbstractValueWidget, MaterialLabel> errorMixin = new ErrorMixin<>(this, errorLabel, list, placeholderLabel);
+
+    private FocusableMixin<MaterialWidget> focusableMixin;
+    private ReadOnlyMixin<MaterialAutoComplete, TextBox> readOnlyMixin;
+
+    public final CssTypeMixin<AutocompleteType, MaterialAutoComplete> typeMixin = new CssTypeMixin<>(this, this);
+
+    /**
+     * Use MaterialAutocomplete to search for matches from local or remote data
+     * sources.
+     */
+    public MaterialAutoComplete() {
+        super(Document.get().createDivElement(), AddinsCssName.AUTOCOMPLETE, CssName.INPUT_FIELD);
+        add(panel);
+    }
+
+    public MaterialAutoComplete(AutocompleteType type) {
+        this();
+        setType(type);
+    }
+
+    public MaterialAutoComplete(String placeholder) {
+        this();
+        setPlaceholder(placeholder);
+    }
+
+    /**
+     * Use MaterialAutocomplete to search for matches from local or remote data
+     * sources.
+     *
+     * @see #setSuggestions(SuggestOracle)
+     */
+    public MaterialAutoComplete(SuggestOracle suggestions) {
+        this();
+        build(suggestions);
+    }
+
+    /**
+     * Generate and build the List Items to be set on Auto Complete box.
+     */
+    protected void build(SuggestOracle suggestions) {
+        list.setStyleName(AddinsCssName.MULTIVALUESUGGESTBOX_LIST);
+        this.suggestions = suggestions;
+        final ListItem item = new ListItem();
+
+        item.setStyleName(AddinsCssName.MULTIVALUESUGGESTBOX_INPUT_TOKEN);
+        suggestBox = new SuggestBox(suggestions, itemBox);
+        setLimit(this.limit);
+        String autocompleteId = DOM.createUniqueId();
+        itemBox.getElement().setId(autocompleteId);
+
+        item.add(suggestBox);
+        item.add(placeholderLabel);
+        list.add(item);
+
+        list.addDomHandler(event -> suggestBox.showSuggestionList(), ClickEvent.getType());
+
+        itemBox.addBlurHandler(blurEvent -> {
+            if (getValue().size() > 0) {
+                placeholderLabel.addStyleName(CssName.ACTIVE);
+            }
+        });
+
+        itemBox.addKeyDownHandler(event -> {
+            boolean changed = false;
+
+            switch (event.getNativeKeyCode()) {
+                case KeyCodes.KEY_ENTER:
+                    if (directInputAllowed) {
+                        String value = itemBox.getValue();
+                        if (value != null && !(value = value.trim()).isEmpty()) {
+                            gwt.material.design.client.base.Suggestion directInput = new gwt.material.design.client.base.Suggestion();
+                            directInput.setDisplay(value);
+                            directInput.setSuggestion(value);
+                            changed = addItem(directInput);
+                            if (getType() == AutocompleteType.TEXT) {
+                                itemBox.setText(value);
+                            } else {
+                                itemBox.setValue("");
+                            }
+                            itemBox.setFocus(true);
+                        }
+                    }
+                    break;
+                case KeyCodes.KEY_BACKSPACE:
+                    if (itemBox.getValue().trim().isEmpty()) {
+                        if (itemsHighlighted.isEmpty()) {
+                            if (suggestionMap.size() > 0) {
+                                ListItem li = (ListItem) list.getWidget(list.getWidgetCount() - 2);
+
+                                if (tryRemoveSuggestion(li.getWidget(0))) {
+                                    li.removeFromParent();
+                                    changed = true;
+                                }
+                            }
+                        }
+                    }
+                case KeyCodes.KEY_DELETE:
+                    if (itemBox.getValue().trim().isEmpty()) {
+                        for (ListItem li : itemsHighlighted) {
+                            if (tryRemoveSuggestion(li.getWidget(0))) {
+                                li.removeFromParent();
+                                changed = true;
+                            }
+                        }
+                        itemsHighlighted.clear();
+                    }
+                    itemBox.setFocus(true);
+                    break;
+            }
+
+            if (changed) {
+                ValueChangeEvent.fire(MaterialAutoComplete.this, getValue());
+            }
+        });
+
+        itemBox.addClickHandler(event -> suggestBox.showSuggestionList());
+
+        suggestBox.addSelectionHandler(selectionEvent -> {
+            Suggestion selectedItem = selectionEvent.getSelectedItem();
+            itemBox.setValue("");
+            if (addItem(selectedItem)) {
+                ValueChangeEvent.fire(MaterialAutoComplete.this, getValue());
+            }
+            itemBox.setFocus(true);
+        });
+
+        panel.add(list);
+        panel.getElement().setAttribute("onclick",
+            "document.getElementById('" + autocompleteId + "').focus()");
+        panel.add(errorLabel);
+        suggestBox.setFocus(true);
+    }
+
+    protected boolean tryRemoveSuggestion(Widget widget) {
+        Set<Entry<Suggestion, Widget>> entrySet = suggestionMap.entrySet();
+        for (Entry<Suggestion, Widget> entry : entrySet) {
+            if (widget.equals(entry.getValue())) {
+                if (chipProvider.isChipRemovable(entry.getKey())) {
+                    suggestionMap.remove(entry.getKey());
+                    return true;
+                }
+                return false;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Adding the item value using Material Chips added on auto complete box
+     */
+    public boolean addItem(final Suggestion suggestion) {
+        SelectionEvent.fire(MaterialAutoComplete.this, suggestion);
+        if (getLimit() > 0) {
+            if (suggestionMap.size() >= getLimit()) {
+                return false;
+            }
+        }
+
+        if (suggestionMap.containsKey(suggestion)) {
+            return false;
+        }
+
+        final ListItem displayItem = new ListItem();
+        displayItem.setStyleName(AddinsCssName.MULTIVALUESUGGESTBOX_TOKEN);
+
+        if (getType() == AutocompleteType.TEXT) {
+            suggestionMap.clear();
+            itemBox.setText(suggestion.getDisplayString());
+        } else {
+            final MaterialChip chip = chipProvider.getChip(suggestion);
+            if (chip == null) {
+                return false;
+            }
+
+            chip.addClickHandler(event -> {
+                if (chipProvider.isChipSelectable(suggestion)) {
+                    if (itemsHighlighted.contains(displayItem)) {
+                        chip.removeStyleName(selectedChipStyle);
+                        itemsHighlighted.remove(displayItem);
+                    } else {
+                        chip.addStyleName(selectedChipStyle);
+                        itemsHighlighted.add(displayItem);
+                    }
+                }
+            });
+
+            if (chip.getIcon() != null) {
+                chip.getIcon().addClickHandler(event -> {
+                    if (chipProvider.isChipRemovable(suggestion)) {
+                        suggestionMap.remove(suggestion);
+                        list.remove(displayItem);
+                        itemsHighlighted.remove(displayItem);
+                        ValueChangeEvent.fire(MaterialAutoComplete.this, getValue());
+                        suggestBox.showSuggestionList();
+                    }
+                });
+            }
+
+            suggestionMap.put(suggestion, chip);
+            displayItem.add(chip);
+            list.insert(displayItem, list.getWidgetCount() - 1);
+        }
+        return true;
+    }
+
+    /**
+     * Clear the chip items on the autocomplete box
+     */
+    public void clear() {
+        itemBox.setValue("");
+        placeholderLabel.removeStyleName(CssName.ACTIVE);
+
+        Collection<Widget> values = suggestionMap.values();
+        for (Widget widget : values) {
+            Widget parent = widget.getParent();
+            if (parent instanceof ListItem) {
+                parent.removeFromParent();
+            }
+        }
+        suggestionMap.clear();
+
+        clearErrorOrSuccess();
+    }
+
+    @Override
+    protected FocusableMixin<MaterialWidget> getFocusableMixin() {
+        if (focusableMixin == null) {
+            focusableMixin = new FocusableMixin<>(new MaterialWidget(itemBox.getElement()));
+        }
+        return focusableMixin;
+    }
+
+    /**
+     * @return the item values on autocomplete
+     * @see #getValue()
+     */
+    public List<String> getItemValues() {
+        Set<Suggestion> keySet = suggestionMap.keySet();
+        List<String> values = new ArrayList<>(keySet.size());
+        for (Suggestion suggestion : keySet) {
+            values.add(suggestion.getReplacementString());
+        }
+        return values;
+    }
+
+    /**
+     * @param itemValues the itemsSelected to set
+     * @see #setValue(Object)
+     */
+    public void setItemValues(List<String> itemValues) {
+        setItemValues(itemValues, false);
+    }
+
+    /**
+     * @param itemValues the itemsSelected to set
+     * @param fireEvents will fire value change event if true
+     * @see #setValue(Object)
+     */
+    public void setItemValues(List<String> itemValues, boolean fireEvents) {
+        if (itemValues == null) {
+            clear();
+            return;
+        }
+        List<Suggestion> list = new ArrayList<>(itemValues.size());
+        for (String value : itemValues) {
+            Suggestion suggestion = new gwt.material.design.client.base.Suggestion(value, value);
+            list.add(suggestion);
+        }
+        setValue(list, fireEvents);
+        if (itemValues.size() > 0) {
+            placeholderLabel.addStyleName(CssName.ACTIVE);
+        }
+    }
+
+    /**
+     * @return the itemsHighlighted
+     */
+    public List<ListItem> getItemsHighlighted() {
+        return itemsHighlighted;
+    }
+
+    /**
+     * @param itemsHighlighted the itemsHighlighted to set
+     */
+    public void setItemsHighlighted(List<ListItem> itemsHighlighted) {
+        this.itemsHighlighted = itemsHighlighted;
+    }
+
+    /**
+     * @return the suggestion oracle
+     */
+    public SuggestOracle getSuggestions() {
+        return suggestions;
+    }
+
+    /**
+     * Sets the SuggestOracle to be used to provide suggestions. Also setups the
+     * component with the needed event handlers and UI elements.
+     *
+     * @param suggestions the suggestion oracle to set
+     */
+    public void setSuggestions(SuggestOracle suggestions) {
+        this.suggestions = suggestions;
+        build(suggestions);
+    }
+
+    public void setSuggestions(SuggestOracle suggestions, AutocompleteType type) {
+        setType(type);
+        setSuggestions(suggestions);
+    }
+
+    public int getLimit() {
+        return limit;
+    }
+
+    public void setLimit(int limit) {
+        this.limit = limit;
+        if (this.suggestBox != null) {
+            this.suggestBox.setLimit(limit);
+        }
+    }
+
+    /**
+     * Set the number of suggestions to be displayed to the user. This differs from
+     * setLimit() which set both the suggestions displayed AND the limit of values
+     * allowed within the autocomplete.
+     * @param limit
+     */
+    public void setAutoSuggestLimit(int limit) {
+        if (this.suggestBox != null) {
+            this.suggestBox.setLimit(limit);
+        }
+    }
+
+    @Override
+    public String getPlaceholder() {
+        return placeholderLabel.getText();
+    }
+
+    @Override
+    public void setPlaceholder(String placeholder) {
+        placeholderLabel.setText(placeholder);
+    }
+
+    /**
+     * Gets the current {@link MaterialChipProvider}. By default, the class uses
+     * an instance of {@link DefaultMaterialChipProvider}.
+     */
+    public MaterialChipProvider getChipProvider() {
+        return chipProvider;
+    }
+
+    /**
+     * Sets a {@link MaterialChipProvider} that can customize how the
+     * {@link MaterialChip} is created for each selected {@link Suggestion}.
+     */
+    public void setChipProvider(MaterialChipProvider chipProvider) {
+        this.chipProvider = chipProvider;
+    }
+
+    /**
+     * When set to <code>false</code>, only {@link Suggestion}s from the
+     * SuggestionOracle are accepted. Direct input create by the user is
+     * ignored. By default, direct input is allowed.
+     */
+    public void setDirectInputAllowed(boolean directInputAllowed) {
+        this.directInputAllowed = directInputAllowed;
+    }
+
+    /**
+     * @return if {@link Suggestion}s created by direct input from the user
+     * should be allowed. By default directInputAllowed is
+     * <code>true</code>.
+     */
+    public boolean isDirectInputAllowed() {
+        return directInputAllowed;
+    }
+
+    /**
+     * Sets the style class applied to chips when they are selected.
+     * <p>
+     * Defaults to "blue white-text".
+     * </p>
+     *
+     * @param selectedChipStyle The class or classes to be applied to selected chips
+     */
+    public void setSelectedChipStyle(String selectedChipStyle) {
+        this.selectedChipStyle = selectedChipStyle;
+    }
+
+    /**
+     * Returns the style class applied to chips when they are selected.
+     * <p>
+     * Defaults to "blue white-text".
+     * </p>
+     */
+    public String getSelectedChipStyle() {
+        return selectedChipStyle;
+    }
+
+    @Override
+    public void showProgress(ProgressType type) {
+        progressMixin.showProgress(ProgressType.INDETERMINATE);
+    }
+
+    @Override
+    public void setPercent(double percent) {
+        progressMixin.setPercent(percent);
+    }
+
+    @Override
+    public void hideProgress() {
+        progressMixin.hideProgress();
+    }
+
+    @Override
+    public HandlerRegistration addKeyUpHandler(final KeyUpHandler handler) {
+        return itemBox.addKeyUpHandler(event -> {
+            if (isEnabled()) {
+                handler.onKeyUp(event);
+            }
+        });
+    }
+
+    @Override
+    public void setType(AutocompleteType type) {
+        typeMixin.setType(type);
+    }
+
+    @Override
+    public AutocompleteType getType() {
+        return typeMixin.getType();
+    }
+
+    @Override
+    public HandlerRegistration addSelectionHandler(final SelectionHandler<Suggestion> handler) {
+        return addHandler(new SelectionHandler<Suggestion>() {
+            @Override
+            public void onSelection(SelectionEvent<Suggestion> event) {
+                if (isEnabled()) {
+                    handler.onSelection(event);
+                }
+            }
+        }, SelectionEvent.getType());
+    }
+
+    public ReadOnlyMixin<MaterialAutoComplete, TextBox> getReadOnlyMixin() {
+        if (readOnlyMixin == null) {
+            readOnlyMixin = new ReadOnlyMixin<>(this, itemBox);
+        }
+        return readOnlyMixin;
+    }
+
+    @Override
+    public void setReadOnly(boolean value) {
+        getReadOnlyMixin().setReadOnly(value);
+        if (value) {
+            setEnabled(false);
+        }
+    }
+
+    @Override
+    public boolean isReadOnly() {
+        return getReadOnlyMixin().isReadOnly();
+    }
+
+    @Override
+    public void setToggleReadOnly(boolean toggle) {
+        getReadOnlyMixin().setToggleReadOnly(toggle);
+    }
+
+    @Override
+    public boolean isToggleReadOnly() {
+        return getReadOnlyMixin().isToggleReadOnly();
+    }
+
+    /**
+     * Interface that defines how a {@link MaterialChip} is created, given a
+     * {@link Suggestion}.
+     *
+     * @see MaterialAutoComplete#setChipProvider(MaterialChipProvider)
+     */
+    public static interface MaterialChipProvider {
+
+        /**
+         * Creates and returns a {@link MaterialChip} based on the selected
+         * {@link Suggestion}.
+         *
+         * @param suggestion the selected {@link Suggestion}
+         * @return the created MaterialChip, or <code>null</code> if the
+         * suggestion should be ignored.
+         */
+        MaterialChip getChip(Suggestion suggestion);
+
+        /**
+         * Returns whether the chip defined by the suggestion should be selected when the user clicks on it.
+         * <p>
+         * <p>
+         * Selecion of chips is used to batch remove suggestions, for example.
+         * </p>
+         *
+         * @param suggestion the selected {@link Suggestion}
+         * @see MaterialAutoComplete#setSelectedChipStyle(String)
+         */
+        boolean isChipSelectable(Suggestion suggestion);
+
+        /**
+         * Returns whether the chip defined by the suggestion should be removed from the autocomplete when clicked on its icon.
+         * <p>
+         * <p>
+         * Override this method returning <code>false</code> to implement your own logic when the user clicks on the chip icon.
+         * </p>
+         *
+         * @param suggestion the selected {@link Suggestion}
+         */
+        boolean isChipRemovable(Suggestion suggestion);
+    }
+
+    /**
+     * Default implementation of the {@link MaterialChipProvider} interface,
+     * used by the {@link MaterialAutoComplete}.
+     * <p>
+     * <p>
+     * By default all chips are selectable and removable. The default {@link IconType} used by the chips provided is the {@link IconType#CLOSE}.
+     * </p>
+     *
+     * @see MaterialAutoComplete#setChipProvider(MaterialChipProvider)
+     */
+    public static class DefaultMaterialChipProvider implements MaterialChipProvider {
+
+        @Override
+        public MaterialChip getChip(Suggestion suggestion) {
+            final MaterialChip chip = new MaterialChip();
+
+            String imageChip = suggestion.getDisplayString();
+            String textChip = imageChip;
+
+            String s = "<img src=\"";
+            if (imageChip.contains(s)) {
+                int ix = imageChip.indexOf(s) + s.length();
+                imageChip = imageChip.substring(ix, imageChip.indexOf("\"", ix + 1));
+                chip.setUrl(imageChip);
+                textChip = textChip.replaceAll("[<](/)?img[^>]*[>]", "");
+            }
+            chip.setText(textChip);
+            chip.setIconType(IconType.CLOSE);
+
+            return chip;
+        }
+
+        @Override
+        public boolean isChipRemovable(Suggestion suggestion) {
+            return true;
+        }
+
+        @Override
+        public boolean isChipSelectable(Suggestion suggestion) {
+            return true;
+        }
+    }
+
+    @Override
+    public HandlerRegistration addValueChangeHandler(final ValueChangeHandler<List<? extends Suggestion>> handler) {
+        return addHandler(new ValueChangeHandler<List<? extends Suggestion>>() {
+            @Override
+            public void onValueChange(ValueChangeEvent<List<? extends Suggestion>> event) {
+                if (isEnabled()) {
+                    handler.onValueChange(event);
+                }
+            }
+        }, ValueChangeEvent.getType());
+    }
+
+    @Override
+    public HandlerRegistration addBlurHandler(BlurHandler handler) {
+        return itemBox.addHandler(blurEvent -> {
+            if (isEnabled()) {
+                handler.onBlur(blurEvent);
+            }
+        }, BlurEvent.getType());
+    }
+
+    @Override
+    public HandlerRegistration addFocusHandler(FocusHandler handler) {
+        return itemBox.addHandler(focusEvent -> {
+            if (isEnabled()) {
+                handler.onFocus(focusEvent);
+            }
+        }, FocusEvent.getType());
+    }
+
+    /**
+     * Returns the selected {@link Suggestion}s. Modifications to the list are
+     * not propagated to the component.
+     *
+     * @return the list of selected {@link Suggestion}s, or empty if none was
+     * selected (never <code>null</code>).
+     */
+    @Override
+    public List<? extends Suggestion> getValue() {
+        return new ArrayList<>(suggestionMap.keySet());
+    }
+
+    @Override
+    public void setValue(List<? extends Suggestion> value, boolean fireEvents) {
+        clear();
+        if (value != null) {
+            placeholderLabel.addStyleName(CssName.ACTIVE);
+            for (Suggestion suggestion : value) {
+                addItem(suggestion);
+            }
+        }
+        super.setValue(value, fireEvents);
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {
+        super.setEnabled(enabled);
+        itemBox.setEnabled(enabled);
+    }
+
+    @Override
+    public ErrorMixin<AbstractValueWidget, MaterialLabel> getErrorMixin() {
+        return errorMixin;
+    }
+
+    public Label getPlaceholderLabel() {
+        return placeholderLabel;
+    }
+
+    public TextBox getItemBox() {
+        return itemBox;
+    }
+
+    public MaterialLabel getErrorLabel() {
+        return errorLabel;
+    }
+
+    public SuggestBox getSuggestBox() {
+        return suggestBox;
+    }
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/MaterialAutocompleteClientBundle.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/MaterialAutocompleteClientBundle.java
@ -0,0 +1,20 @@
+package org.gcube.portets.user.message_conversations.client.autocomplete;
+
+
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.TextResource;
+
+/**
+ * Client Bundle for Autocomplete component
+ *
+ * @author kevzlou7979
+ */
+interface MaterialAutocompleteClientBundle extends ClientBundle {
+
+    MaterialAutocompleteClientBundle INSTANCE = GWT.create(MaterialAutocompleteClientBundle.class);
+
+    @Source("autocomplete.min.css")
+    TextResource autocompleteCss();
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/MaterialAutocompleteDebugClientBundle.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/MaterialAutocompleteDebugClientBundle.java
@ -0,0 +1,20 @@
+package org.gcube.portets.user.message_conversations.client.autocomplete;
+
+
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.TextResource;
+
+/**
+ * Client Bundle for Autocomplete component
+ *
+ * @author kevzlou7979
+ */
+interface MaterialAutocompleteDebugClientBundle extends ClientBundle {
+
+    MaterialAutocompleteDebugClientBundle INSTANCE = GWT.create(MaterialAutocompleteDebugClientBundle.class);
+
+    @Source("autocomplete.css")
+    TextResource autocompleteCssDebug();
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/autocomplete.css
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/autocomplete.css
@ -0,0 +1,103 @@
+ul.multiValueSuggestBox-list {
+    overflow: hidden;
+    height: auto !important;
+    height: 1%;
+    cursor: text;
+    min-height: 1px;
+    z-index: 999;
+    margin: 0;
+    padding: 0;
+    border: none;
+    width: 100%;
+    list-style-type: none;
+    margin-bottom: 15px;
+    border-bottom: 1px solid #9e9e9e;
+}
+
+.autocomplete.disabled ul.multiValueSuggestBox-list {
+    border-bottom: 1px dotted rgba(0, 0, 0, 0.26);
+}
+
+.autocomplete.disabled .chip i {
+    display: none;
+}
+
+.autocomplete-text .multiValueSuggestBox-input-token, .autocomplete-text .multiValueSuggestBox-input-token input {
+    width: 100% !important;
+}
+
+.autocomplete.read-only ul.multiValueSuggestBox-list {
+    border: none !important;
+}
+
+.autocomplete.disabled .chip {
+    color: rgba(0,0,0,0.6) !important;
+    background-color: #e4e4e4 !important;
+}
+
+.gwt-SuggestBoxPopup .item {
+    padding-left: 20px !important;
+    padding: 12px;
+}
+
+.gwt-SuggestBoxPopup .item img {
+    border-radius: 12px;
+    float: left;
+    height: 24px;
+    width: 24px;
+    margin-right: 12px;
+}
+.gwt-SuggestBoxPopup {
+    z-index: 9999;
+    min-width: 300px !important;
+    background: white;
+    border-radius: 2px;
+    -webkit-box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
+    -moz-box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
+    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
+}
+.gwt-SuggestBoxPopup tr {
+    white-space: nowrap;
+}
+.gwt-SuggestBoxPopup .item-selected {
+    background: rgba(0,0,0,.03) !important;
+}
+.suggestPopupMiddleCenter {
+    width: 100%;
+    padding: 0 !important;
+}
+.suggestPopupMiddle {
+    width: 100%;
+    left: 0 !important;
+}
+
+.suggestPopupTop, .suggestPopupBottom, .suggestPopupMiddleLeft, .suggestPopupMiddleRight {
+    display: none;
+}
+
+ul.multiValueSuggestBox-list li input {
+    border: 0;
+    width: 200px;
+    background-color: transparent;
+    margin: 0px;
+    border: none !important;
+}
+
+ul.multiValueSuggestBox-list input[type=text]:focus:not([readonly]) {
+    border: none !important;
+    box-shadow: 0 1px 0 0 #fff !important;
+}
+
+li.multiValueSuggestBox-token {
+    cursor: default;
+    float: left;
+    margin: 8px 0 0 8px;
+}
+
+li.multiValueSuggestBox-input-token {
+    float: left;
+}
+
+.row .autocomplete label {
+    left: 0.75rem !important;
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/autocomplete.min.css
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/autocomplete/autocomplete.min.css
@ -0,0 +1 @@
+.autocomplete.disabled .chip i,.suggestPopupBottom,.suggestPopupMiddleLeft,.suggestPopupMiddleRight,.suggestPopupTop{display:none}ul.multiValueSuggestBox-list{overflow:hidden;height:auto!important;height:1%;cursor:text;min-height:1px;z-index:999;margin:0 0 15px;padding:0;border:none;width:100%;list-style-type:none;border-bottom:1px solid #9e9e9e}.autocomplete.disabled ul.multiValueSuggestBox-list{border-bottom:1px dotted rgba(0,0,0,.26)}.autocomplete-text .multiValueSuggestBox-input-token,.autocomplete-text .multiValueSuggestBox-input-token input{width:100%!important}.autocomplete.read-only ul.multiValueSuggestBox-list{border:none!important}.autocomplete.disabled .chip{color:rgba(0,0,0,.6)!important;background-color:#e4e4e4!important}.gwt-SuggestBoxPopup .item{padding-left:20px!important;padding:12px}.gwt-SuggestBoxPopup .item img{border-radius:12px;float:left;height:24px;width:24px;margin-right:12px}.gwt-SuggestBoxPopup{z-index:9999;min-width:300px!important;background:#fff;border-radius:2px;-webkit-box-shadow:0 2px 5px 0 rgba(0,0,0,.16),0 2px 10px 0 rgba(0,0,0,.12);-moz-box-shadow:0 2px 5px 0 rgba(0,0,0,.16),0 2px 10px 0 rgba(0,0,0,.12);box-shadow:0 2px 5px 0 rgba(0,0,0,.16),0 2px 10px 0 rgba(0,0,0,.12)}.gwt-SuggestBoxPopup tr{white-space:nowrap}.gwt-SuggestBoxPopup .item-selected{background:rgba(0,0,0,.03)!important}.suggestPopupMiddleCenter{width:100%;padding:0!important}.suggestPopupMiddle{width:100%;left:0!important}ul.multiValueSuggestBox-list li input{width:200px;background-color:transparent;margin:0;border:none!important}ul.multiValueSuggestBox-list input[type=text]:focus:not([readonly]){border:none!important;box-shadow:0 1px 0 0 #fff!important}li.multiValueSuggestBox-token{cursor:default;float:left;margin:8px 0 0 8px}li.multiValueSuggestBox-input-token{float:left}.row .autocomplete label{left:.75rem!important}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/event/DeleteMessageEvent.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/event/DeleteMessageEvent.java
@ -0,0 +1,35 @@
+package org.gcube.portets.user.message_conversations.client.event;
+
+import org.gcube.portets.user.message_conversations.shared.ConvMessage;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+
+
+public class DeleteMessageEvent extends GwtEvent<DeleteMessageEventHandler> {
+	public static Type<DeleteMessageEventHandler> TYPE = new Type<DeleteMessageEventHandler>();
+	
+	private ConvMessage m;
+	private boolean sent;
+	public DeleteMessageEvent(ConvMessage m, boolean sent) {
+		this.m = m;
+	}
+		
+	public ConvMessage getMessage() {
+		return m;
+	}
+	
+	public boolean isSent() {
+		return sent;
+	}
+
+	@Override
+	public Type<DeleteMessageEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	@Override
+	protected void dispatch(DeleteMessageEventHandler handler) {
+		handler.onDeleteMessage(this);
+	}
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/event/DeleteMessageEventHandler.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/event/DeleteMessageEventHandler.java
@ -0,0 +1,7 @@
+package org.gcube.portets.user.message_conversations.client.event;
+
+import com.google.gwt.event.shared.EventHandler;
+
+public interface DeleteMessageEventHandler extends EventHandler {
+  void onDeleteMessage(DeleteMessageEvent event);
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/event/NewMessageEvent.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/event/NewMessageEvent.java
@ -0,0 +1,40 @@
+package org.gcube.portets.user.message_conversations.client.event;
+
+import java.util.HashSet;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+
+
+public class NewMessageEvent extends GwtEvent<NewMessageEventHandler> {
+	public static Type<NewMessageEventHandler> TYPE = new Type<NewMessageEventHandler>();
+	
+	
+	private String text;
+	private HashSet<String> mentionedUsers;
+	
+	public NewMessageEvent() {
+		
+		this.text = text;
+		this.mentionedUsers = mentionedUsers;
+	}
+	
+		
+	public String getText() {
+		return text;
+	}
+	
+	public HashSet<String> getMentionedUsers() {
+		return mentionedUsers;
+	}
+
+	@Override
+	public Type<NewMessageEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	@Override
+	protected void dispatch(NewMessageEventHandler handler) {
+		handler.onNewMessage(this);
+	}
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/event/NewMessageEventHandler.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/event/NewMessageEventHandler.java
@ -0,0 +1,7 @@
+package org.gcube.portets.user.message_conversations.client.event;
+
+import com.google.gwt.event.shared.EventHandler;
+
+public interface NewMessageEventHandler extends EventHandler {
+  void onNewMessage(NewMessageEvent event);
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/oracle/UserOracle.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/oracle/UserOracle.java
@ -0,0 +1,60 @@
+package org.gcube.portets.user.message_conversations.client.oracle;
+import gwt.material.design.addins.client.autocomplete.base.MaterialSuggestionOracle;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+
+import org.gcube.portets.user.message_conversations.client.MessageService;
+import org.gcube.portets.user.message_conversations.client.MessageServiceAsync;
+import org.gcube.portets.user.message_conversations.shared.CurrUserAndPortalUsersWrapper;
+import org.gcube.portets.user.message_conversations.shared.WSUser;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.rpc.ServiceDefTarget;
+
+public class UserOracle extends MaterialSuggestionOracle{
+	private final MessageServiceAsync convService = GWT.create(MessageService.class);
+
+	private List<WSUser> contacts = new LinkedList<>();
+
+	public void addContacts(List<WSUser> users) {
+		contacts.addAll(users);
+	}
+
+	public UserOracle() {
+		((ServiceDefTarget) convService).setServiceEntryPoint("/delegate/message-conversations");
+	}
+
+	@Override
+	public void requestSuggestions(Request request, Callback callback) {
+		Response resp = new Response();
+		if(contacts.isEmpty()){
+			callback.onSuggestionsReady(request, resp);
+			return;
+		}
+		String text = request.getQuery();
+		text = text.toLowerCase();
+
+		final List<UserSuggestion> list = new ArrayList<>();
+		convService.searchUsers(text, new AsyncCallback<ArrayList<WSUser>>() {
+
+			@Override
+			public void onFailure(Throwable arg0) {
+				GWT.log("error");	
+				callback.onSuggestionsReady(request, resp);
+				return;
+			}
+
+			@Override
+			public void onSuccess(ArrayList<WSUser> results) {
+				for (WSUser contact : results){
+					list.add(new UserSuggestion(contact));
+				}				
+				resp.setSuggestions(list);
+				callback.onSuggestionsReady(request, resp);
+			}
+		});      
+	}
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/oracle/UserSuggestion.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/oracle/UserSuggestion.java
@ -0,0 +1,28 @@
+package org.gcube.portets.user.message_conversations.client.oracle;
+
+import org.gcube.portets.user.message_conversations.shared.WSUser;
+
+import com.google.gwt.user.client.ui.SuggestOracle;
+
+public class UserSuggestion implements SuggestOracle.Suggestion {
+
+    private WSUser user;
+
+    public UserSuggestion(WSUser user) {
+        this.user = user;
+    }
+
+    @Override
+    public String getDisplayString() {
+        return getReplacementString();
+    }
+
+    @Override
+    public String getReplacementString() {
+        return user.getFullName() + " ("+user.getEmail()+")";
+    }
+
+    public WSUser getUser() {
+        return user;
+    }
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/ApplicationView.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/ApplicationView.java
@ -0,0 +1,380 @@
+package org.gcube.portets.user.message_conversations.client.ui;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+
+import org.gcube.portets.user.message_conversations.client.MessageService;
+import org.gcube.portets.user.message_conversations.client.MessageServiceAsync;
+import org.gcube.portets.user.message_conversations.client.Utils;
+import org.gcube.portets.user.message_conversations.client.event.DeleteMessageEvent;
+import org.gcube.portets.user.message_conversations.client.ui.resources.MessagesResources;
+import org.gcube.portets.user.message_conversations.shared.ConvMessage;
+import org.gcube.portets.user.message_conversations.shared.MessageUserModel;
+
+import com.google.gwt.core.client.GWT;
+
+/*
+ * #%L
+ * GwtMaterial
+ * %%
+ * Copyright (C) 2015 - 2016 GwtMaterialDesign
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+
+
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.logical.shared.ResizeEvent;
+import com.google.gwt.event.logical.shared.ResizeHandler;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.uibinder.client.UiHandler;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.rpc.ServiceDefTarget;
+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.RootPanel;
+import com.google.gwt.user.client.ui.ScrollPanel;
+import com.google.gwt.user.client.ui.Widget;
+
+import gwt.material.design.client.constants.IconType;
+import gwt.material.design.client.constants.Position;
+import gwt.material.design.client.ui.MaterialAnchorButton;
+import gwt.material.design.client.ui.MaterialBadge;
+import gwt.material.design.client.ui.MaterialCollection;
+import gwt.material.design.client.ui.MaterialFAB;
+import gwt.material.design.client.ui.MaterialLink;
+import gwt.material.design.client.ui.MaterialProgress;
+import gwt.material.design.client.ui.MaterialRow;
+import gwt.material.design.client.ui.MaterialToast;
+import gwt.material.design.client.ui.animate.MaterialAnimation;
+import gwt.material.design.client.ui.animate.Transition;
+
+public class ApplicationView extends Composite {
+
+	interface Binder extends UiBinder<Widget, ApplicationView> {
+	}
+
+	private static Binder uiBinder = GWT.create(Binder.class);
+	private final MessageServiceAsync convService = GWT.create(MessageService.class);
+
+
+	private boolean toggle = false;
+	private boolean toggleSwitch = false;
+	private int unreadMessages = 0;
+	private int totalMessages = 0;
+
+
+	@UiField ScrollPanel scrollerPanel;
+	@UiField MaterialRow rightPanel;
+	@UiField HTMLPanel htmlPanel;
+	@UiField MaterialFAB FAB;
+	@UiField MaterialLink menu, newMessage, switcher;
+	@UiField MaterialAnchorButton replyAll, reply, forward;
+	@UiField MaterialCollection messagesCollection;
+	@UiField MaterialProgress messageLoader, messagesLoader;
+	@UiField MaterialBadge badge;
+
+	private ConvMessage currentSelected;
+	private DisplayMessage displayMessage;
+	private WriteMessage newMessageDisplay;
+
+
+	public ApplicationView() {
+		initWidget(uiBinder.createAndBindUi(this));
+		((ServiceDefTarget) convService).setServiceEntryPoint("/delegate/message-conversations");
+		displayMessage = new DisplayMessage(convService, this);
+		newMessageDisplay = new WriteMessage(convService, this);
+		Window.addResizeHandler(new ResizeHandler() {
+			@Override
+			public void onResize(ResizeEvent event) {   
+				int height = event.getHeight() - 100;
+				scrollerPanel.setHeight(height+"px"); 
+			}
+		});
+		scrollerPanel.add(displayMessage);
+		if (! Utils.isMobile()) {
+			reply.setTooltip("Reply");
+			reply.setTooltipPosition(Position.LEFT);
+			replyAll.setTooltip("Reply All");
+			replyAll.setTooltipPosition(Position.LEFT);
+			forward.setTooltip("Forward");
+			forward.setTooltipPosition(Position.LEFT);
+		}
+	}
+
+	/**
+	 * 
+	 * @param sent
+	 */
+	public void readUserMessages(final boolean sent) {
+		messagesLoader.setVisible(true);
+		convService.getMessages(sent, new AsyncCallback<ArrayList<ConvMessage>>() {
+			@Override
+			public void onFailure(Throwable arg0) {
+				RootPanel.get("create-users-container").add(new HTML("ERROR "));
+			}
+
+			@Override
+			public void onSuccess(ArrayList<ConvMessage> messages) {
+				if (messages != null) {
+					showMessages(messages, sent);
+					if (messages.size() > 0)
+						readUserMessage(messages.get(0).getId(), sent);
+					else {
+						writeWelcomeMessage();
+						messageLoader.setVisible(false);
+					}
+				} else {
+					RootPanel.get("create-users-container").add(new HTML("It is impossible to read your messages at this time. "
+							+ "This could be a server error, please try to reload the page"));
+				}
+			}
+		});
+	}
+	/**
+	 * 
+	 * @param messages
+	 * @param sent
+	 */
+	public void showMessages(ArrayList<ConvMessage> messages, boolean sent) {
+		messagesCollection.clear();
+		messagesLoader.setVisible(false);
+		messagesCollection.setVisible(true);
+		int scrollerHeight = Window.getClientHeight() - 100;
+		scrollerPanel.setHeight(scrollerHeight+"px"); 
+		for (ConvMessage convMessage : messages) {
+			messagesCollection.add(new MessageItem(convMessage, messagesCollection, this, sent));
+			if (! (sent || convMessage.isRead()))
+				unreadMessages++;
+			totalMessages++;
+		}
+		if (messages.size() > 0) {
+			MessageItem first = (MessageItem) messagesCollection.getChildrenList().get(0);
+			first.setSelected(true);
+		} else {
+
+		}
+		updateBadge(sent);
+	}
+	/**
+	 * 
+	 * @param event
+	 */
+	public void deleteMessage(final DeleteMessageEvent event) {
+		final ConvMessage toDelete = event.getMessage();
+		boolean sent = event.isSent();
+		convService.deleteMessageById(toDelete.getId(), sent, new AsyncCallback<Boolean>() {
+			@Override
+			public void onFailure(Throwable caught) {
+				MaterialToast.fireToast("Message Deleted Failed for ("+toDelete.getSubject()+")");						
+			}
+			@Override
+			public void onSuccess(Boolean result) {
+				MaterialToast.fireToast("Message Deleted ("+toDelete.getSubject()+")");
+				totalMessages = totalMessages - 1;
+				updateBadge(event.isSent());
+			}
+		});
+	}
+
+	/**
+	 * 
+	 * @param event
+	 */
+	public void setMessageUnread(ConvMessage toSet) {
+		convService.markMessageUnread(toSet.getId(), new AsyncCallback<Boolean>() {
+			@Override
+			public void onFailure(Throwable caught) {		
+			}
+			@Override
+			public void onSuccess(Boolean result) {
+				unreadMessages++;
+				updateBadge(false);
+			}
+		});
+	}
+
+
+	/**
+	 * 
+	 * @param messageId
+	 * @param sent
+	 */
+	public void readUserMessage(String messageId,  final boolean sent) {
+		messageLoader.setColor(Utils.getRandomColor());
+		messageLoader.setVisible(true);
+		scrollerPanel.clear();
+		convService.getMessageById(messageId, toggleSwitch, new AsyncCallback<ConvMessage>() {
+			@Override
+			public void onFailure(Throwable arg0) {
+				RootPanel.get("create-users-container").add(new HTML("ERROR getting message "));
+				messageLoader.setVisible(false);
+			}
+
+			@Override
+			public void onSuccess(ConvMessage toShow) {
+				messageLoader.setVisible(false);
+				displayMessage.showMessage(toShow);
+				scrollerPanel.add(displayMessage);				
+				setCurrentSelectedMessage(toShow);
+				if (!sent)
+					decreaseUnreadCounter(toShow);
+				FAB.setVisible(true);
+			}
+		});
+	}
+	private void updateBadge(boolean sent) {
+		String badgeText = totalMessages + (sent ? " sent" : " (" + unreadMessages + " unread" + ")");
+		if (unreadMessages == 0 && !sent)
+			badgeText = totalMessages+" received";
+		badge.setText(badgeText);
+		badge.setVisible(true);
+	}
+	private void decreaseUnreadCounter(ConvMessage toShow) {
+		if (unreadMessages > 0 && !toShow.isRead())
+			unreadMessages--;
+		updateBadge(false);
+	}
+
+	private void resetCounters() {
+		badge.setVisible(false);
+		unreadMessages = 0;
+		totalMessages = 0;
+	}
+
+
+
+	@UiHandler("switcher")
+	void onSwitchSentInbox(ClickEvent e) {
+		resetCounters();		
+		MaterialAnimation animation = new MaterialAnimation();
+		animation.setDelay(0);
+		animation.setDuration(1000);
+		animation.transition(Transition.FLIPINX);		
+		animation.animate(switcher);
+		if(!toggleSwitch){
+			switcher.setIconType(IconType.SEND);
+		}else{
+			switcher.setIconType(IconType.INBOX);
+		}
+		toggleSwitch = ! toggleSwitch;
+		readUserMessages(toggleSwitch);
+	}
+
+	@UiHandler("menu")
+	void onHideShowSidebar(ClickEvent e) {
+		if(toggle){
+			showSidePanel();
+		}else{
+			hideSidePanel();
+		}
+	}
+
+
+	private void displayNewOrReplyMessage() {
+		FAB.setVisible(false);
+		messagesCollection.clearActive();
+		scrollerPanel.clear();
+		scrollerPanel.add(newMessageDisplay);
+		newMessageDisplay.setFocusOnUsersInput();
+		if (Utils.isMobile())
+			hideSidePanel();
+	}
+
+	@UiHandler("newMessage")
+	void onNewMessage(ClickEvent e) {
+		newMessageDisplay = new WriteMessage(convService, this);
+		displayNewOrReplyMessage();
+	}	
+
+	@UiHandler("reply")
+	void onReplyMessage(ClickEvent e) {	
+		if (currentSelected != null) {
+			newMessageDisplay = new WriteMessage(convService, this);
+			ConvMessage msg = currentSelected;
+			newMessageDisplay.setIsReply(msg);	
+			displayNewOrReplyMessage();
+		} 
+		else {
+			Window.alert("Cannot find which message to reply, please report the issue");
+		}
+	}
+	@UiHandler("replyAll")
+	void onReplyAllMessage(ClickEvent e) {
+		if (currentSelected != null) {
+			newMessageDisplay = new WriteMessage(convService, this);
+			ConvMessage msg = currentSelected;
+			newMessageDisplay.setIsReplyAll(msg);	
+			displayNewOrReplyMessage();
+		} 
+		else {
+			Window.alert("Cannot find which message to reply all, please report the issue");
+		}
+	}
+	@UiHandler("forward")
+	void onForwardMessage(ClickEvent e) {	
+		if (currentSelected != null) {
+			newMessageDisplay = new WriteMessage(convService, this);
+			ConvMessage msg = currentSelected;
+			newMessageDisplay.setIsForward(msg);	
+			displayNewOrReplyMessage();
+		} 
+		else {
+			Window.alert("Cannot find which message to forward, please report the issue");
+		}
+	}
+	protected void showSidePanel() {
+		displayMessage.getMainPanel().setLeft(350);
+		displayMessage.getMainPanel().setGrid("l8 m12 s12");
+		newMessageDisplay.getMainPanel().setLeft(350);
+		newMessageDisplay.getMainPanel().setGrid("l8 m12 s12");
+		rightPanel.setLeft(0);
+		toggle = ! toggle;
+	}
+
+	protected void hideSidePanel() {
+		displayMessage.getMainPanel().setLeft(0);
+		displayMessage.getMainPanel().setGrid("l12 s12 m12");
+		newMessageDisplay.getMainPanel().setLeft(0);
+		newMessageDisplay.getMainPanel().setGrid("l12 s12 m12");
+
+		rightPanel.setLeft(-350);
+		toggle = ! toggle;
+	}
+
+	private void setCurrentSelectedMessage(ConvMessage msg) {
+		currentSelected = msg;
+	}
+
+	private void writeWelcomeMessage() {
+		MessagesResources images = GWT.create(MessagesResources.class);
+		List<MessageUserModel> recipients = Arrays.asList(new MessageUserModel(0, "you", "You", ""));
+		@SuppressWarnings("deprecation")
+		MessageUserModel sender = new MessageUserModel(0, "jarvis", "D4Science Team", images.d4scienceTeam().getURL(), "", "");
+		ConvMessage welcomeMessage = new ConvMessage("0", "Welcome to your Messages", sender, recipients , new Date(), MessagesResources.WELCOME_MESSAGE, true);
+		FAB.setVisible(false);
+		displayMessage.showMessage(welcomeMessage);
+		welcomeMessage.setContent(MessagesResources.WELCOME_MESSAGE.substring(0, 102)+ " ...");
+		MessageItem item = new MessageItem(welcomeMessage, messagesCollection, this, false);
+		item.hideMessageMenu();
+		messagesCollection.add(item);
+		totalMessages++;
+		updateBadge(false);
+	}
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/ApplicationView.ui.xml
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/ApplicationView.ui.xml
@ -0,0 +1,100 @@
+<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'
+	xmlns:g='urn:import:com.google.gwt.user.client.ui' xmlns:m="urn:import:gwt.material.design.client.ui"
+	xmlns:ma="urn:import:gwt.material.design.addins.client"
+	xmlns:mc="urn:import:org.gcube.portets.user.message_conversations.client.autocomplete">
+
+	<ui:style>
+	.animation {
+		transition: 0.4s all;
+		-webkit-transition: 0.4s all;
+		-moz-transition: 0.4s all;
+	}
+	
+	.borderRight {
+		border-right: 1px solid #ccc;
+	}
+	
+	.topBar {
+		height: 60px;
+		overflow-y: hidden !important; /* needed in windows */
+		border-bottom: 1px solid #999;
+	}
+	
+	.marginTop {
+		margin-top: 0px;
+	}
+	
+	.overflowXHidden {
+		overflow-x: hidden !important; /* needed in windows */
+	}
+	
+	.modalTitle {
+		font-size: 2em;
+	}
+	
+	.alignCenter {
+		text-align: center;
+		padding: 50px;
+	}
+	</ui:style>
+	<g:HTMLPanel ui:field="htmlPanel">
+		<!-- TOP BAR -->
+		<m:MaterialHeader ui:field="header">
+			<m:MaterialNavBar ui:field="navBar" layoutPosition="FIXED"
+				addStyleNames="{style.topBar}" height="60" backgroundColor="WHITE">
+				<m:MaterialNavSection float="LEFT" showOn="SHOW_ON_MED_DOWN">
+					<m:MaterialLink iconType="MENU" iconColor="LIGHT_BLUE_DARKEN_2"
+						paddingLeft="25" waves="DEFAULT" ui:field="menu" hideOn="HIDE_ON_MED_DOWN" />
+					<m:MaterialLink iconType="INBOX" textColor="LIGHT_BLUE_DARKEN_2"
+						ui:field="switcher" waves="DEFAULT" paddingLeft="25">
+						<m:MaterialBadge text="22 unread" backgroundColor="LIGHT_BLUE_DARKEN_2"
+							textColor="WHITE" circle="false" ui:field="badge" visible="false"
+							hideOn="HIDE_ON_MED_DOWN" />
+					</m:MaterialLink>
+					<m:MaterialLink ui:field="newMessage" text="New"
+						showOn="SHOW_ON_MED_DOWN" iconType="MESSAGE" textColor="LIGHT_BLUE_DARKEN_2"
+						waves="LIGHT" />
+				</m:MaterialNavSection>
+			</m:MaterialNavBar>
+		</m:MaterialHeader>
+
+
+
+		<!-- SIDE PANEL -->
+		<m:MaterialRow ui:field="rightPanel" overflow="AUTO"
+			depth="995" grid="l3 m3 s12" padding="0" backgroundColor="WHITE"
+			height="100%" layoutPosition="FIXED" top="60" left="0" width="350px"
+			addStyleNames="{style.animation} {style.borderRight}">
+			<m:MaterialProgress type="INDETERMINATE" ui:field="messagesLoader"
+				color="BLUE" />
+			<m:MaterialCollection ui:field="messagesCollection"
+				addStyleNames="{style.marginTop}" visible="false">
+			</m:MaterialCollection>
+		</m:MaterialRow>
+
+		<!-- MAIN WINDOW -->
+		<m:MaterialContainer fontSize="0.8em">
+			<m:MaterialRow layoutPosition="RELATIVE" grid="l8 s12 m12"
+				top="65">
+				<m:MaterialProgress type="INDETERMINATE"
+					ui:field="messageLoader" color="TEAL" />
+				<g:ScrollPanel height="600px" ui:field="scrollerPanel"
+					addStyleNames="{style.overflowXHidden}"></g:ScrollPanel>
+			</m:MaterialRow>
+		</m:MaterialContainer>
+
+		<!-- FAB -->
+		<m:MaterialFAB ui:field="FAB">
+			<m:MaterialButton type="FLOATING" backgroundColor="RED"
+				iconType="REPLY" size="LARGE" />
+			<m:MaterialFABList>
+				<m:MaterialAnchorButton type="FLOATING"
+					waves="LIGHT" backgroundColor="BLUE" ui:field="forward" iconType="FORWARD" />
+				<m:MaterialAnchorButton type="FLOATING"
+					waves="LIGHT" backgroundColor="AMBER" ui:field="replyAll" iconType="REPLY_ALL" />
+				<m:MaterialAnchorButton type="FLOATING"
+					waves="LIGHT" backgroundColor="TEAL" ui:field="reply" iconType="REPLY" />
+			</m:MaterialFABList>
+		</m:MaterialFAB>
+	</g:HTMLPanel>
+</ui:UiBinder>
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/AttachmentMenu.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/AttachmentMenu.java
@ -0,0 +1,134 @@
+package org.gcube.portets.user.message_conversations.client.ui;
+
+import org.gcube.portets.user.message_conversations.client.MessageServiceAsync;
+import org.gcube.portets.user.message_conversations.shared.FileModel;
+import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSaveNotification.WorskpaceExplorerSaveNotificationListener;
+import org.gcube.portlets.widgets.wsexplorer.client.save.WorkspaceExplorerSaveDialog;
+import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Style.Unit;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.uibinder.client.UiHandler;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.Widget;
+
+import gwt.material.design.client.ui.MaterialButton;
+import gwt.material.design.client.ui.MaterialDropDown;
+import gwt.material.design.client.ui.MaterialLink;
+import gwt.material.design.client.ui.MaterialLoader;
+import gwt.material.design.client.ui.MaterialToast;
+
+public class AttachmentMenu extends Composite  {
+
+	private static AttachmentMenuUiBinder uiBinder = GWT.create(AttachmentMenuUiBinder.class);
+
+	interface AttachmentMenuUiBinder extends UiBinder<Widget, AttachmentMenu> {
+	}
+
+	private enum DownloadStatus { FAILED, IN_PROGRESS, COMPLETE };
+
+	@UiField MaterialDropDown menu;
+	@UiField MaterialLink downloadButton;
+	@UiField MaterialLink saveWSButton;
+
+	private FileModel item;
+	private MaterialButton parentButton;
+	private MessageServiceAsync convService;
+	private DownloadStatus generatingDownloadURL = DownloadStatus.IN_PROGRESS;
+
+	public AttachmentMenu(MessageServiceAsync convService, MaterialButton parent, FileModel item) {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.item = item;
+		this.parentButton = parent;
+		this.convService = convService;
+		convService.getAttachmentDownloadURL(item.getIdentifier(), new AsyncCallback<String>() {			
+			@Override
+			public void onSuccess(String result) {
+				if (result != null) {
+					downloadButton.setHref(result);	
+					generatingDownloadURL = DownloadStatus.COMPLETE;
+				}
+				else {
+					generatingDownloadURL = DownloadStatus.FAILED;
+				}
+			}
+			@Override
+			public void onFailure(Throwable caught) {
+				GWT.log("onFailure");
+				generatingDownloadURL = DownloadStatus.FAILED;
+			}
+		});
+	}
+
+	public void setSeparator(boolean separator) {
+		menu.setSeparator(separator);
+	}
+
+	public void setActivator(String activator) {
+		menu.setActivator(activator);
+	}
+
+	@UiHandler("downloadButton")
+	void onFileDownload(ClickEvent e) {
+		switch (generatingDownloadURL) {
+		case IN_PROGRESS:
+			e.stopPropagation();
+			MaterialToast.fireToast("Generating link is in progress, please retry in few seconds", "rounded");
+			break;
+		case COMPLETE:
+			MaterialToast.fireToast("Download in progress ... ", "rounded");
+			break;
+		case FAILED:
+			e.stopPropagation();
+			downloadButton.setHref("#");
+			MaterialToast.fireToast("Warning: could not generate a download link, some error occurred in the server", "rounded");
+
+			break;
+		}
+	}
+
+	@UiHandler("saveWSButton")
+	void onSave2WS(ClickEvent e) {
+		final WorkspaceExplorerSaveDialog navigator = new WorkspaceExplorerSaveDialog(item.getName(), true);
+		navigator.addStyleName("BS-Navigator");;
+		navigator.getElement().getStyle().setLeft(50, Unit.PCT);
+		WorskpaceExplorerSaveNotificationListener listener = new WorskpaceExplorerSaveNotificationListener(){
+
+			@Override
+			public void onSaving(Item parent, String fileName) {
+				GWT.log("onSaving parent: "+parent +", fileName" +fileName);
+				navigator.hide();
+				MaterialLoader.showProgress(true, parentButton);
+				convService.saveAttachmentToWorkspaceFolder(item.getIdentifier(), parent.getId(), new AsyncCallback<Boolean>() {
+					@Override
+					public void onFailure(Throwable caught) {
+						MaterialLoader.showProgress(false, parentButton);
+						MaterialToast.fireToast("Warning: could not save this file to the selected Workspace folder, please retry", "rounded");	
+					}
+					@Override
+					public void onSuccess(Boolean result) {
+						MaterialLoader.showProgress(false, parentButton);
+						MaterialToast.fireToast("File " +fileName+" Saved succesfully");							
+					}
+				});
+			}
+
+			@Override
+			public void onAborted() {
+				GWT.log("onAborted");
+			}
+
+			@Override
+			public void onFailed(Throwable throwable) {
+				GWT.log("onFailed");
+			}
+		};
+
+		navigator.addWorkspaceExplorerSaveNotificationListener(listener);
+		navigator.show();
+	}
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/AttachmentMenu.ui.xml
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/AttachmentMenu.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:m="urn:import:gwt.material.design.client.ui">
+	<m:MaterialDropDown activator="dp-4" constrainWidth="true"
+		gutter="5" backgroundColor="WHITE" separator="true" ui:field="menu"
+		belowOrigin="true">
+		<m:MaterialLink textColor="BLUE" iconType="FOLDER_SHARED"
+			ui:field="saveWSButton" iconPosition="LEFT" text="Save in Workspace"
+			separator="true" />
+		<m:MaterialLink textColor="BLUE" iconType="FILE_DOWNLOAD"
+			ui:field="downloadButton" iconPosition="LEFT" text="Download"/>
+	</m:MaterialDropDown>
+</ui:UiBinder> 
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/DisplayMessage.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/DisplayMessage.java
@ -0,0 +1,107 @@
+package org.gcube.portets.user.message_conversations.client.ui;
+
+import org.gcube.portets.user.message_conversations.client.MessageServiceAsync;
+import org.gcube.portets.user.message_conversations.client.Utils;
+import org.gcube.portets.user.message_conversations.shared.ConvMessage;
+import org.gcube.portets.user.message_conversations.shared.FileModel;
+import org.gcube.portets.user.message_conversations.shared.MessageUserModel;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Style.TextTransform;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.uibinder.client.UiHandler;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.Widget;
+
+import gwt.material.design.client.constants.Color;
+import gwt.material.design.client.constants.IconPosition;
+import gwt.material.design.client.constants.IconType;
+import gwt.material.design.client.constants.WavesType;
+import gwt.material.design.client.ui.MaterialButton;
+import gwt.material.design.client.ui.MaterialLabel;
+import gwt.material.design.client.ui.MaterialPanel;
+import gwt.material.design.client.ui.MaterialRow;
+import gwt.material.design.client.ui.MaterialTextArea;
+import gwt.material.design.client.ui.MaterialTitle;
+
+public class DisplayMessage extends Composite {
+
+	private static DisplayMessageUiBinder uiBinder = GWT.create(DisplayMessageUiBinder.class);
+
+	interface DisplayMessageUiBinder extends UiBinder<Widget, DisplayMessage> {
+	}
+	@UiField MaterialPanel mainPanel;
+
+	@UiField MaterialRow  messageAttachmentsBody;
+	@UiField MaterialButton showMessages;
+	@UiField MaterialTextArea messageContent;
+	@UiField MaterialTitle messageSender, messageSubject, messageRecipients;
+	private ApplicationView ap;
+	private MessageServiceAsync convService;
+	
+	public DisplayMessage(MessageServiceAsync convService, ApplicationView ap) {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.convService = convService;
+		this.ap = ap;
+	}
+
+	/**
+	 * Display the message in the main panel
+	 * @param m message to display
+	 */
+	public void showMessage(ConvMessage m) {
+		String recipientsLabel = "";
+
+		for (MessageUserModel r : m.getRecipients()) {
+			String fullName =  (r.getFullName() == null) ? r.getUsername() : r.getFullName(); 
+			recipientsLabel+= fullName+"; ";
+		}
+		String fullName =  (m.getOwner().getFullName() == null) ? m.getOwner().getUsername() : m.getOwner().getFullName();
+		messageSender.setTitle(fullName + ", " + Utils.getFormatteDate(m.getDate()));
+		messageSubject.setTitle(m.getSubject());
+		messageRecipients.setTitle("To: "+recipientsLabel);
+		messageContent.setText(m.getContent());
+		messageRecipients.setVisible(true);
+		messageContent.setVisible(true);
+
+		messageAttachmentsBody.clear();
+		messageAttachmentsBody.setVisible(m.hasAttachments());
+		messageAttachmentsBody.add(new MaterialLabel("Attachments: "));
+		int i = 0;
+		for (FileModel item : m.getAttachments()) {
+			String activator = "item"+i;
+			String attachmentName = (item.getName().length() > 25) ? item.getName().substring(0, 20) + "..." : item.getName();
+			MaterialButton toAdd = new MaterialButton(attachmentName, IconType.ARROW_DROP_DOWN);	
+			toAdd.setTitle(item.getName());
+
+			AttachmentMenu dd = new AttachmentMenu(convService, toAdd, item);
+			dd.setActivator(activator);
+			dd.setSeparator(true);
+
+			toAdd.setMargin(5);
+			toAdd.setPaddingRight(5);
+			toAdd.setPaddingLeft(5);
+			toAdd.setWaves(WavesType.DEFAULT);
+			toAdd.setActivates(activator);
+			toAdd.setIconPosition(IconPosition.RIGHT);
+			toAdd.setBackgroundColor(Color.RED_DARKEN_1);
+			toAdd.getElement().getStyle().setBackgroundImage("none");	
+			toAdd.getElement().getStyle().setTextTransform(TextTransform.NONE);	
+
+			messageAttachmentsBody.add(toAdd);
+			messageAttachmentsBody.add(dd);
+			i = i+1;
+		}
+	}
+	
+	@UiHandler("showMessages")
+	void onShowMessages(ClickEvent e) {
+		ap.showSidePanel();
+	}	
+	
+	MaterialPanel getMainPanel() {
+		return mainPanel;
+	}
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/DisplayMessage.ui.xml
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/DisplayMessage.ui.xml
@ -0,0 +1,33 @@
+<!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:m="urn:import:gwt.material.design.client.ui"
+	xmlns:ma="urn:import:gwt.material.design.addins.client">
+	<ui:style>
+	.animation {
+		transition: 0.4s all;
+		-webkit-transition: 0.4s all;
+		-moz-transition: 0.4s all;
+	}
+	
+	.overflowXHidden {
+		overflow-x: hidden !important; /* needed in windows */
+	}
+	</ui:style>
+	<m:MaterialPanel ui:field="mainPanel" backgroundColor="WHITE"
+		layoutPosition="RELATIVE" marginBottom="0" grid="l8 m12 s12"
+		paddingLeft="10" paddingRight="60" marginLeft="5"
+		addStyleNames="{style.animation} message-metadata" left="350">
+		<m:MaterialButton type="FLAT" text="Back" waves="LIGHT"
+			ui:field="showMessages" iconType="FAST_REWIND" hideOn="HIDE_ON_MED_UP"
+			textColor="BLUE" paddingLeft="0" />
+		<m:MaterialTitle ui:field="messageSender"
+			addStyleNames="message-sender" marginTop="0"></m:MaterialTitle>
+		<m:MaterialTitle ui:field="messageSubject" marginTop="0"></m:MaterialTitle>
+		<m:MaterialTitle ui:field="messageRecipients" visible="false"
+			addStyleNames="message-recipients" marginTop="0"></m:MaterialTitle>
+		<m:MaterialRow ui:field="messageAttachmentsBody"></m:MaterialRow>
+		<m:MaterialTextArea ui:field="messageContent"
+			resizeRule="AUTO" visible="false" readOnly="true" />
+	</m:MaterialPanel>
+
+</ui:UiBinder> 
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/MessageItem.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/MessageItem.java
@ -0,0 +1,195 @@
+package org.gcube.portets.user.message_conversations.client.ui;
+
+import org.gcube.portets.user.message_conversations.client.Utils;
+import org.gcube.portets.user.message_conversations.client.event.DeleteMessageEvent;
+import org.gcube.portets.user.message_conversations.client.ui.resources.MessagesResources;
+import org.gcube.portets.user.message_conversations.shared.ConvMessage;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Style.Cursor;
+import com.google.gwt.dom.client.Style.Unit;
+import com.google.gwt.dom.client.Style.Visibility;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.event.dom.client.MouseOutEvent;
+import com.google.gwt.event.dom.client.MouseOutHandler;
+import com.google.gwt.event.dom.client.MouseOverEvent;
+import com.google.gwt.event.dom.client.MouseOverHandler;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.uibinder.client.UiHandler;
+import com.google.gwt.user.client.Random;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.Widget;
+
+import gwt.material.design.client.constants.Color;
+import gwt.material.design.client.ui.MaterialCollection;
+import gwt.material.design.client.ui.MaterialCollectionItem;
+import gwt.material.design.client.ui.MaterialDropDown;
+import gwt.material.design.client.ui.MaterialIcon;
+import gwt.material.design.client.ui.MaterialImage;
+import gwt.material.design.client.ui.MaterialLabel;
+import gwt.material.design.client.ui.MaterialLink;
+import gwt.material.design.client.ui.MaterialToast;
+
+public class MessageItem extends Composite  {
+
+	private static MessageItemUiBinder uiBinder = GWT.create(MessageItemUiBinder.class);
+
+	interface MessageItemUiBinder extends UiBinder<Widget, MessageItem> {
+	}
+
+	private final static Color HOVER_MESSAGE_COLOR = Color.GREY_LIGHTEN_4;
+
+	private boolean deleteClicked = true;
+
+	private ApplicationView ap;
+	private MaterialCollection parentCollection;
+	private ConvMessage myMessage;
+	private boolean sent;
+
+
+	@UiField MaterialCollectionItem item;
+	@UiField MaterialImage avatarImage;
+	@UiField MaterialLabel senderNameLabel;
+	@UiField MaterialLabel subjectLabel;
+	@UiField MaterialLabel previewLabel;
+	@UiField MaterialLabel timeLabel;
+	@UiField MaterialIcon attachmentsIcon;
+	@UiField MaterialIcon messageActionIcon;
+
+	@UiField MaterialLink deleteButton;
+	@UiField MaterialDropDown dd;
+
+	MessagesResources images = GWT.create(MessagesResources.class);
+	
+
+	public MessageItem(final ConvMessage m, MaterialCollection parentCollection, ApplicationView ap, boolean sent) {
+		initWidget(uiBinder.createAndBindUi(this));
+		item.getElement().getStyle().setCursor(Cursor.POINTER);
+		this.sent = sent;
+		this.myMessage = m;
+		this.ap = ap;
+		this.parentCollection = parentCollection;
+		if (m.hasAttachments())
+			attachmentsIcon.setVisibility(Visibility.VISIBLE);
+		if (!m.isRead())
+			item.addStyleName("unread-message");
+		if (m.getOwner().getAvatarURL() == null || m.getOwner().getAvatarURL().compareTo("")== 0) {			
+			if (sent) 
+				avatarImage.setResource(
+						m.getRecipients().size() > 1 ? images.group() : images.user());
+			else {
+				avatarImage.setResource(images.user());
+			}
+		}
+		else {
+			if (sent && m.getRecipients().size() > 1) 
+				avatarImage.setResource(images.group());
+			else 
+				avatarImage.setUrl(m.getOwner().getAvatarURL());
+		}
+		String fullName =  (m.getOwner().getFullName() == null) ? m.getOwner().getUsername() : m.getOwner().getFullName();
+		senderNameLabel.setText(fullName);
+		subjectLabel.setText(m.getSubject());
+		previewLabel.setText(m.getContent());
+		timeLabel.setText(Utils.getFormatteDate(m.getDate()));
+
+		if (sent)
+			item.setBackgroundColor(Color.WHITE);
+		
+		//because on tablet and on mobile cause problems
+		if (!Utils.isMobile()) {
+			item.addMouseOverHandler(new MouseOverHandler() {
+				@Override
+				public void onMouseOver(MouseOverEvent event) {
+					messageActionIcon.setVisibility(Visibility.VISIBLE);
+					item.setBackgroundColor(HOVER_MESSAGE_COLOR);
+				}
+			});
+			item.addMouseOutHandler(new MouseOutHandler() {			
+				@Override
+				public void onMouseOut(MouseOutEvent event) {
+					messageActionIcon.setVisibility(Visibility.HIDDEN);
+					item.setBackgroundColor(Color.WHITE);
+				}
+			});
+		}
+		else {//on mobile
+			messageActionIcon.setVisibility(Visibility.VISIBLE);
+			dd.setHoverable(false);
+		}
+		messageActionIcon.addClickHandler(new ClickHandler() {
+			@Override
+			public void onClick(ClickEvent event) {
+				event.stopPropagation();
+			}
+		});
+
+		deleteButton.addClickHandler(new ClickHandler() {	
+			@Override
+			public void onClick(ClickEvent event) {
+				event.stopPropagation();
+				MaterialLink link = new MaterialLink("UNDO");
+				link.addClickHandler(new ClickHandler() {
+					@Override
+					public void onClick(ClickEvent event) {
+						deleteClicked = false;
+						MaterialToast.fireToast("UNDO DONE");
+						item.setVisible(true);
+					}
+				});
+				new MaterialToast(()->{doDelete(m.getSubject());}, link).toast("Deleting Message ("+m.getSubject()+")");
+				item.setVisible(false);
+			}
+		});
+		dd.getElement().getStyle().setWidth(300, Unit.PX);
+		String activator = "activate"+Random.nextInt();
+		dd.setActivator(activator);
+		messageActionIcon.setActivates(activator);
+	}
+	
+
+	@UiHandler("setUnreadButton")
+	void onSetUnread(ClickEvent e) {
+		e.stopPropagation();
+		ap.setMessageUnread(myMessage);
+		myMessage.setRead(false);
+		item.addStyleName("unread-message");
+	}
+
+	private void doDelete(String subject) {
+		if (deleteClicked) {
+			GWT.log("is sent?"+ this.sent);
+			ap.deleteMessage(new DeleteMessageEvent(myMessage, this.sent));
+		}
+		else
+			deleteClicked = true;
+	}
+
+	public void setSelected(boolean active) {
+		item.setBackgroundColor(Color.WHITE);
+		item.removeStyleName("unread-message");
+		item.setActive(active);	
+		myMessage.setRead(true);
+	}
+
+	@UiHandler("item")
+	void onClickedMessage(ClickEvent e) {
+		checkHideSideBarOnMobile();
+		parentCollection.clearActive();
+		ap.readUserMessage(myMessage.getId(), this.sent);
+		setSelected(true);
+		myMessage.setRead(true);
+	}
+
+	private void checkHideSideBarOnMobile() {
+		if (Utils.isMobile())
+			ap.hideSidePanel();
+	}
+	
+	public void hideMessageMenu() {
+		messageActionIcon.setVisible(false);
+	}
+
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/MessageItem.ui.xml
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/MessageItem.ui.xml
@ -0,0 +1,37 @@
+<!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:m="urn:import:gwt.material.design.client.ui">
+
+	<m:MaterialCollectionItem type="AVATAR"
+		ui:field="item" paddingLeft="55" paddingTop="5" paddingBottom="0"
+		lineHeight="18">
+		<m:MaterialImage ui:field="avatarImage" type="CIRCLE"
+			top="5" left="5" />
+		<m:MaterialLabel ui:field="senderNameLabel"
+			paddingLeft="0" fontSize="1.5em" textColor="BLACK" />
+		<m:MaterialLabel ui:field="subjectLabel" paddingLeft="0"
+			textColor="BLACK" />
+		<m:MaterialLabel ui:field="previewLabel" paddingLeft="0"
+			paddingRight="10" textColor="GREY" />
+		<m:MaterialCollectionSecondary top="0"
+			textAlign="RIGHT" right="2">
+			<m:MaterialLabel ui:field="timeLabel" textColor="GREY"
+				fontSize=".8em" />
+			<m:MaterialIcon iconType="KEYBOARD_ARROW_DOWN"
+				iconSize="SMALL" visibility="HIDDEN" ui:field="messageActionIcon"
+				iconColor="GREY" marginTop="5" />
+			<m:MaterialIcon iconType="ATTACHMENT" iconColor="GREY"
+				marginLeft="10" ui:field="attachmentsIcon" visibility="HIDDEN"
+				iconSize="TINY" title="This message has attachments" />
+
+		</m:MaterialCollectionSecondary>
+		<m:MaterialDropDown ui:field="dd" activator=""
+			constrainWidth="false" gutter="-100" hover="true" belowOrigin="true">
+			<m:MaterialLink textColor="BLUE_DARKEN_1" ui:field="deleteButton"
+				text="Delete Message" />
+			<m:MaterialLink textColor="BLUE_DARKEN_1" ui:field="setUnreadButton"
+				text="Mark as unread" />
+		</m:MaterialDropDown>
+	</m:MaterialCollectionItem>
+
+</ui:UiBinder> 
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/WriteMessage.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/WriteMessage.java
@ -0,0 +1,338 @@
+package org.gcube.portets.user.message_conversations.client.ui;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.gcube.portal.clientcontext.client.GCubeClientContext;
+import org.gcube.portets.user.message_conversations.client.MessageServiceAsync;
+import org.gcube.portets.user.message_conversations.client.Utils;
+import org.gcube.portets.user.message_conversations.client.autocomplete.MaterialAutoComplete;
+import org.gcube.portets.user.message_conversations.client.oracle.UserOracle;
+import org.gcube.portets.user.message_conversations.client.oracle.UserSuggestion;
+import org.gcube.portets.user.message_conversations.shared.ConvMessage;
+import org.gcube.portets.user.message_conversations.shared.MessageUserModel;
+import org.gcube.portets.user.message_conversations.shared.WSUser;
+import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
+import org.gcube.portlets.widgets.wsexplorer.client.select.WorkspaceExplorerSelectDialog;
+import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
+import org.gcube.portlets.widgets.wsexplorer.shared.Item;
+import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Style.Unit;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.uibinder.client.UiHandler;
+import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.SuggestOracle;
+import com.google.gwt.user.client.ui.Widget;
+
+import gwt.material.design.client.constants.Color;
+import gwt.material.design.client.constants.IconSize;
+import gwt.material.design.client.constants.IconType;
+import gwt.material.design.client.ui.MaterialButton;
+import gwt.material.design.client.ui.MaterialChip;
+import gwt.material.design.client.ui.MaterialIcon;
+import gwt.material.design.client.ui.MaterialLabel;
+import gwt.material.design.client.ui.MaterialLink;
+import gwt.material.design.client.ui.MaterialPanel;
+import gwt.material.design.client.ui.MaterialPreLoader;
+import gwt.material.design.client.ui.MaterialRow;
+import gwt.material.design.client.ui.MaterialTextArea;
+import gwt.material.design.client.ui.MaterialTextBox;
+
+public class WriteMessage extends Composite {
+
+	private static MessageWindowUiBinder uiBinder = GWT.create(MessageWindowUiBinder.class);
+
+	interface MessageWindowUiBinder extends UiBinder<Widget, WriteMessage> {
+	}
+
+	@UiField MaterialPanel mainPanel;
+	@UiField MaterialTextBox txtBoxSubject;
+	//	@UiField MaterialWindow modal;
+	@UiField MaterialAutoComplete acModal;
+	@UiField MaterialButton btnSendModal, btnCloseModal;
+	@UiField MaterialPanel modalContent, sendingLoader;
+	@UiField MaterialRow  attachmentsRow;
+	@UiField MaterialLink attachButton;
+	@UiField MaterialLabel sendingFeedback;
+	@UiField MaterialPreLoader sendingSpinner;
+	@UiField MaterialTextArea txtArea;
+
+	private ApplicationView ap;
+	private MessageServiceAsync convService;
+
+	public WriteMessage(MessageServiceAsync convService, ApplicationView ap) {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.convService = convService;
+		this.ap = ap;
+		UserOracle oracle = new UserOracle();
+		oracle.addContacts(getAllUsers());
+		acModal.setSuggestions(oracle);
+		btnSendModal.getElement().getStyle().setBackgroundImage("none");
+	}
+
+	MaterialPanel getMainPanel() {
+		return mainPanel;
+	}
+
+	public void setIsReply(ConvMessage msg) {
+		acModal.addItem(new UserSuggestion(
+				new WSUser(
+						msg.getOwner().getUsername(), 
+						msg.getOwner().getUsername(), 
+						msg.getOwner().getFullName(), 
+						msg.getOwner().getEmail()
+						)
+				));			
+		String subject = getReplySubject(msg.getSubject());
+
+		txtBoxSubject.setText(subject);
+		txtBoxSubject.setReadOnly(true);
+
+		txtArea.setText(getReplyHeaderMessage(msg));
+		focusOnBody();
+	}
+	public void setIsReplyAll(ConvMessage msg) {
+		setIsReply(msg);
+		long currUserId = 0;
+		try {
+			currUserId = Long.parseLong(GCubeClientContext.getCurrentUserId());
+		} catch (Exception e) {
+			log("Could not read userId client context");
+			return;
+		}
+		for (MessageUserModel u : msg.getRecipients()) {
+			if (u.getUserId() != currUserId)
+				acModal.addItem(new UserSuggestion(
+						new WSUser(
+								u.getUserId()+"", 
+								u.getUsername(), 
+								u.getFullName(), 
+								u.getEmail()
+								)
+						));		
+		}
+		focusOnBody();
+	}
+
+	public void setIsForward(ConvMessage msg) {
+		String subject = "Fwd: " + msg.getSubject();
+		txtBoxSubject.setText(subject);
+		txtBoxSubject.setReadOnly(true);		
+		txtArea.setText(getForwardHeaderMessage(msg));
+	}
+
+	//need to defer this
+	private void focusOnBody() {
+		Timer t = new Timer() {			
+			@Override
+			public void run() {
+				if (! Utils.isMobile()) {
+					txtArea.setCursorPos(0);
+					txtArea.setFocus(true);
+					txtArea.setActive(true);
+				}				
+			}
+		};
+		t.schedule(1000);
+	}
+
+	private String getReplySubject(String subject) {
+		if (subject != null) {
+			return subject.startsWith("Re:") ? subject : "Re: " + subject;
+		} else
+			return "No subject";
+	}
+
+	private String getReplyHeaderMessage(ConvMessage msg) {
+		String toReturn =  "\n\n---\n on " + msg.getDate() +  " " + msg.getOwner().getFullName() + " wrote:";
+		toReturn += "\n\n"+msg.getContent();
+		return toReturn;
+	}
+
+	private static native void log(String msg) /*-{
+	  $wnd.console.log(msg);
+	}-*/;
+
+	private String getForwardHeaderMessage(ConvMessage msg) {
+		String toReturn =  "\n\n---\nBegin forwarded message:";
+		toReturn += "\nFrom: " + msg.getOwner().getFullName();
+		toReturn += "\nDate: " + msg.getDate();
+		toReturn += "\nTo: ";
+		if (msg.getRecipients() != null) {
+			for (MessageUserModel recipient : msg.getRecipients()) {
+				toReturn += recipient.getFullName() + " ";
+			}
+		}
+		toReturn += "\nSubject: " +msg.getSubject();
+		toReturn += "\n\n"+msg.getContent();
+		return toReturn;
+	}
+
+	public WriteMessage setFocusOnUsersInput() {
+		if (!Utils.isMobile())
+			acModal.setFocus(true);
+		return this;
+	}
+
+
+
+	//just used in devlopment
+	private List<WSUser> getAllUsers() {
+		List<WSUser> toReturn = new ArrayList<>();
+		toReturn.add(new WSUser("testing", "username testing", "Andrea testing", "@gmail.com"));
+		return toReturn;
+	}
+	@UiHandler("attachButton")
+	void onAttach(ClickEvent e) {
+		List<ItemType> types = new ArrayList<>();
+		ItemType[] theTypes = ItemType.values();
+		for (int i = 0; i < theTypes.length; i++) {
+			if (theTypes[i] != ItemType.FOLDER)
+				types.add(theTypes[i]);
+		}
+		FilterCriteria criteria = null;
+		final WorkspaceExplorerSelectDialog wpTreepopup = new WorkspaceExplorerSelectDialog("Select an item", criteria, types);
+		wpTreepopup.getElement().getStyle().setLeft(50, Unit.PCT);
+		wpTreepopup.setZIndex(10010);
+		WorskpaceExplorerSelectNotificationListener  listener = new WorskpaceExplorerSelectNotificationListener() {
+			@Override
+			public void onSelectedItem(Item item) {
+				attachmentsRow.add(getChip(item.getId(), item.getName(), item.isFolder(), true));
+				wpTreepopup.hide();
+			}
+			@Override
+			public void onFailed(Throwable throwable) {
+				Window.alert("There are networks problem, please check your connection.");            
+			}				 
+			@Override
+			public void onAborted() {}
+			@Override
+			public void onNotValidSelection() {		
+			}
+		};
+
+		wpTreepopup.addWorkspaceExplorerSelectNotificationListener(listener);
+		wpTreepopup.show();
+	}
+
+	//for the attachments we distinguish between folder and files
+	private MaterialChip getChip(String itemId, String itemName, boolean isFolder, boolean deletable) {
+		MaterialChip chip = new MaterialChip(itemName);
+		if (deletable)
+			chip.setIconType(IconType.CLOSE);
+		chip.setMargin(5);
+		chip.setId(itemId);
+		if (isFolder) {
+			chip.setLetter("F");
+			chip.setLetterBackgroundColor(Color.AMBER);
+			chip.setBackgroundColor(Color.YELLOW);
+			chip.setTextColor(Color.GREY_DARKEN_2);
+		} else {
+			chip.setLetter("D");
+			chip.setLetterBackgroundColor(Color.RED);
+			chip.setTextColor(Color.GREY_DARKEN_2);
+		}
+		return chip;
+	}
+
+
+
+	private ArrayList<String> getSelectedFilesAndFoldersId() {
+		ArrayList<String> toReturn = new ArrayList<>();
+		int n = attachmentsRow.getWidgetCount();
+		for (int i = 0; i < n; i++) {
+			Widget w = attachmentsRow.getWidget(i);
+			if (w instanceof MaterialChip) {
+				toReturn.add(((MaterialChip) w).getId());
+			}
+		}
+		return toReturn;
+	}
+
+
+	@UiHandler("btnSendModal")
+	void onSendMessage(ClickEvent e) {
+
+		if (getSelectedUsers().isEmpty()) {
+			acModal.setError("Look empty to me");
+			return;
+		} else {
+			acModal.reset();
+		}
+		if (txtBoxSubject.getText().isEmpty()) {
+			txtBoxSubject.setError("Subject is mandatory");
+			return;
+		}
+		else {
+			txtBoxSubject.reset();
+		}
+		if (txtArea.getText().isEmpty()) {
+			txtArea.setError("The body of the message is mandatory");
+			return;
+		}
+		else {
+			txtArea.reset();
+		}
+		GWT.log(getSelectedUsers()+"");
+		GWT.log(getSelectedFilesAndFoldersId()+"");
+		ArrayList<String> recipientIds = new ArrayList<>();
+		for (WSUser u : getSelectedUsers()) {
+			recipientIds.add(u.getScreenname());
+		}
+		modalContent.setVisible(false);
+		sendingLoader.setVisible(true);
+
+		btnSendModal.setEnabled(false);
+		convService.sendToById(recipientIds, getSelectedFilesAndFoldersId(), txtBoxSubject.getText(), txtArea.getText(), new AsyncCallback<Boolean>() {
+			@Override
+			public void onFailure(Throwable caught) {
+				sendingSpinner.removeFromParent();
+				sendingFeedback.setText("We're sorry an error occurred! Please try again");
+				modalContent.setVisible(true);
+				btnSendModal.setEnabled(true);
+			}
+			@Override
+			public void onSuccess(Boolean result) {
+				sendingSpinner.removeFromParent();
+				if (result) {
+					sendingFeedback.setText("Your message has been sent");
+					MaterialIcon okIcon = new MaterialIcon(IconType.DONE, Color.GREEN, Color.WHITE);
+					okIcon.setIconSize(IconSize.MEDIUM);
+					sendingLoader.add(okIcon);
+					btnCloseModal.setText("Close");
+				}
+				else
+					sendingFeedback.setText("We're sorry an error occurred in the server! Please try again");
+			}
+		});
+	}
+
+	@UiHandler("btnCloseModal")
+	void onClose(ClickEvent e) {
+		if (Utils.isMobile())
+			ap.showSidePanel();
+		mainPanel.clear();
+	}
+
+	public List<WSUser> getSelectedUsers() {
+		List<? extends SuggestOracle.Suggestion> values = acModal.getValue();
+		List<WSUser> users = new ArrayList<>(values.size());
+		for(SuggestOracle.Suggestion value : values){
+			if(value instanceof UserSuggestion){
+				UserSuggestion us = (UserSuggestion) value;
+				WSUser user = us.getUser();
+				users.add(user);
+			} 
+		}
+		return users;
+	}
+
+
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/WriteMessage.ui.xml
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/WriteMessage.ui.xml
@ -0,0 +1,58 @@
+<!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:m="urn:import:gwt.material.design.client.ui"
+	xmlns:ma="urn:import:gwt.material.design.addins.client"
+	xmlns:mc="urn:import:org.gcube.portets.user.message_conversations.client.autocomplete">
+	<ui:style>
+	.modalTitle {
+		font-size: 2em;
+	}
+	
+	.alignCenter {
+		text-align: center;
+		padding: 50px;
+	}
+	.animation {
+		transition: 0.4s all;
+		-webkit-transition: 0.4s all;
+		-moz-transition: 0.4s all;
+	}
+	</ui:style>
+	<!-- Modal -->
+	<m:MaterialPanel ui:field="mainPanel" backgroundColor="WHITE" shadow="1"
+		layoutPosition="RELATIVE" marginBottom="0" grid="l8 m12 s12"
+		paddingLeft="10" paddingRight="60" marginLeft="5" marginTop="-5"
+		addStyleNames="{style.animation} message-metadata" left="350">
+		<m:MaterialModalFooter textAlign="RIGHT">
+			<m:MaterialButton ui:field="btnCloseModal" text="Cancel"
+				type="FLAT" textColor="BLACK" waves="DEFAULT"/>
+			<m:MaterialButton text="Send" type="FLAT" textColor="WHITE"
+				backgroundColor="BLUE" waves="DEFAULT" ui:field="btnSendModal" />
+		</m:MaterialModalFooter>
+		<m:MaterialPanel ui:field="sendingLoader" visible="false"
+			addStyleNames="{style.alignCenter}">
+			<m:MaterialLabel text="Sending message ..."
+				addStyleNames="{style.modalTitle}" marginBottom="50" ui:field="sendingFeedback" />
+			<m:MaterialPreLoader size="BIG" ui:field="sendingSpinner">
+				<m:MaterialSpinner />
+			</m:MaterialPreLoader>
+		</m:MaterialPanel>
+		<m:MaterialPanel ui:field="modalContent" padding="5">
+			<mc:MaterialAutoComplete placeholder="To:"
+				ui:field="acModal" directInputAllowed="false"></mc:MaterialAutoComplete>
+			<m:MaterialRow>
+				<m:MaterialTextBox label="Subject" ui:field="txtBoxSubject"
+					marginBottom="0" />
+			</m:MaterialRow>
+			<m:MaterialRow marginBottom="0">
+				<m:MaterialLink href="#attach" text="Select files to attach"
+					textColor="BLACK" iconType="ATTACHMENT" iconPosition="LEFT"
+					ui:field="attachButton" />
+			</m:MaterialRow>
+			<m:MaterialRow ui:field="attachmentsRow" marginBottom="0" />
+			<m:MaterialRow>
+				<m:MaterialTextArea ui:field="txtArea" label="Body" resizeRule="AUTO"/>
+			</m:MaterialRow>
+		</m:MaterialPanel>
+	</m:MaterialPanel>
+</ui:UiBinder> 
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/resources/MessagesResources.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/resources/MessagesResources.java
@ -0,0 +1,19 @@
+package org.gcube.portets.user.message_conversations.client.ui.resources;
+
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.ImageResource;
+
+public interface MessagesResources extends ClientBundle {
+	public static final String WELCOME_MESSAGE = "Welcome to your Messages.\nMessages lets you stay connected, organized, and productive at work, at home, and everywhere in between. "+
+"Also, you can easily attach very large files to your messages from Workspace." +
+"\n\nThis message will automatically be deleted as soon you'll receive another one.";
+	
+	@Source("group.png")
+	ImageResource group();
+	
+	@Source("user.png")
+	ImageResource user();
+	
+	@Source("d4science.png")
+	ImageResource d4scienceTeam();
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/resources/d4science.png
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/resources/d4science.png
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/resources/group.png
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/resources/group.png
--- a/src/main/java/org/gcube/portets/user/message_conversations/client/ui/resources/user.png
+++ b/src/main/java/org/gcube/portets/user/message_conversations/client/ui/resources/user.png
--- a/src/main/java/org/gcube/portets/user/message_conversations/server/ConvServiceImpl.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/server/ConvServiceImpl.java
@ -0,0 +1,514 @@
+package org.gcube.portets.user.message_conversations.server;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.gcube.applicationsupportlayer.social.ApplicationNotificationsManager;
+import org.gcube.applicationsupportlayer.social.NotificationsManager;
+import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingSite;
+import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingUser;
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
+import org.gcube.common.homelibary.model.items.type.WorkspaceItemType;
+import org.gcube.common.homelibrary.home.HomeLibrary;
+import org.gcube.common.homelibrary.home.HomeManager;
+import org.gcube.common.homelibrary.home.HomeManagerFactory;
+import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
+import org.gcube.common.homelibrary.home.workspace.Workspace;
+import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
+import org.gcube.common.homelibrary.home.workspace.exceptions.ItemNotFoundException;
+import org.gcube.common.homelibrary.home.workspace.folder.FolderItem;
+import org.gcube.common.homelibrary.home.workspace.sharing.WorkspaceMessage;
+import org.gcube.common.homelibrary.home.workspace.sharing.WorkspaceMessageManager;
+import org.gcube.common.portal.PortalContext;
+import org.gcube.common.scope.api.ScopeProvider;
+import org.gcube.portal.notifications.bean.GenericItemBean;
+import org.gcube.portal.notifications.thread.MessageNotificationsThread;
+import org.gcube.portets.user.message_conversations.client.MessageService;
+import org.gcube.portets.user.message_conversations.shared.ConvMessage;
+import org.gcube.portets.user.message_conversations.shared.CurrUserAndPortalUsersWrapper;
+import org.gcube.portets.user.message_conversations.shared.FileModel;
+import org.gcube.portets.user.message_conversations.shared.MessageUserModel;
+import org.gcube.portets.user.message_conversations.shared.WSUser;
+import org.gcube.vomanagement.usermanagement.GroupManager;
+import org.gcube.vomanagement.usermanagement.UserManager;
+import org.gcube.vomanagement.usermanagement.impl.LiferayGroupManager;
+import org.gcube.vomanagement.usermanagement.impl.LiferayUserManager;
+import org.gcube.vomanagement.usermanagement.model.GCubeUser;
+import org.gcube.vomanagement.usermanagement.util.ManagementUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.gwt.user.server.rpc.RemoteServiceServlet;
+import com.liferay.portal.kernel.dao.orm.QueryUtil;
+import com.liferay.portal.kernel.exception.PortalException;
+import com.liferay.portal.kernel.exception.SystemException;
+import com.liferay.portal.kernel.util.OrderByComparator;
+import com.liferay.portal.kernel.util.OrderByComparatorFactoryUtil;
+import com.liferay.portal.model.User;
+import com.liferay.portal.service.GroupLocalServiceUtil;
+import com.liferay.portal.service.UserLocalServiceUtil;
+import com.liferay.portal.util.PortalUtil;
+/**
+ * The server side implementation of the RPC service.
+ */
+@SuppressWarnings("serial")
+public class ConvServiceImpl extends RemoteServiceServlet implements MessageService {
+	private static final Logger _log = LoggerFactory.getLogger(ConvServiceImpl.class);
+
+	private PortalContext pContext;
+	private UserManager um;
+
+	public void init() {
+		um =  new LiferayUserManager();
+		pContext = PortalContext.getConfiguration();
+	}
+	/**
+	 * 
+	 * @return true if you're running into the portal, false if in development
+	 */
+	private boolean isWithinPortal() {
+		try {
+			UserLocalServiceUtil.getService();
+			return true;
+		} 
+		catch (com.liferay.portal.kernel.bean.BeanLocatorException ex) {			
+			_log.trace("Development Mode ON");
+			return false;
+		}			
+	}
+
+	private GCubeUser getCurrentUser(HttpServletRequest httpServletRequest) {	
+		if (isWithinPortal()) {
+			try {
+				long userId = PortalUtil.getUser(httpServletRequest).getUserId();
+				long groupId = pContext.getCurrentGroupId(httpServletRequest);
+				if (GroupLocalServiceUtil.hasUserGroup(userId, groupId))
+					return um.getUserById(userId);
+				else {
+					_log.error("User not authorised in Group, the logged user id=" + userId + " does not belong to group " + groupId);
+					return null;
+				}
+			} catch (Exception e) {
+				_log.warn("Could not read user from LR PortalUtil in delegate servlet");
+				return null;
+			}
+		} else {			
+			return pContext.getCurrentUser(getThreadLocalRequest());
+		}
+	}
+
+	@Override
+	public ArrayList<ConvMessage> getMessages(boolean sent) {
+		ArrayList<ConvMessage> toReturn = new ArrayList<>();
+		try {
+			GCubeUser user = getCurrentUser(getThreadLocalRequest());
+			pContext = PortalContext.getConfiguration();		
+			_log.debug("*** Reading user = " +user.getFullname());
+			String scope = pContext.getCurrentScope(getThreadLocalRequest());
+			ScopeProvider.instance.set(scope);
+			String token = pContext.getCurrentUserToken(scope, user.getUserId());
+			SecurityTokenProvider.instance.set(token);
+			Workspace workspace = null;
+			try {
+				HomeManagerFactory factory = HomeLibrary.getHomeManagerFactory();
+				HomeManager manager = factory.getHomeManager();
+				workspace = manager.getHome().getWorkspace();
+			} catch (Exception e) {
+				e.printStackTrace();
+				return null;
+			}
+
+			List<WorkspaceMessage> listMessages = (sent) ? 
+					workspace.getWorkspaceMessageManager().getSentMessages() : workspace.getWorkspaceMessageManager().getReceivedMessages();
+					_log.debug("Got messages of " + user.getFullname() + " how many? " + listMessages.size());
+					//the messages are returned from the oldest to the new one, so we reverse them
+					Collections.reverse(listMessages);
+					LiferayUserManager um = new LiferayUserManager();
+
+					for (WorkspaceMessage m : listMessages) {
+						String previewBody = m.getBody().length() > 80 ? m.getBody().substring(0, 79) + " ..." : m.getBody();
+						MessageUserModel mu = null;
+						GCubeUser sender = null;
+						try {
+							if (sent) {
+								if (m.getAddresses().size() < 2) {
+									GCubeUser recipient = um.getUserByUsername(m.getAddresses().get(0));
+									mu = new MessageUserModel(recipient.getUserId(), recipient.getUsername(), recipient.getFullname(), recipient.getUserAvatarURL(), "", "");
+								} else {
+									//we have at least 2 recipients 
+									GCubeUser recipient1 = um.getUserByUsername(m.getAddresses().get(0));
+									GCubeUser recipient2 = um.getUserByUsername(m.getAddresses().get(1));
+									String label2Display = recipient1.getFirstName() + " & " + recipient2.getFirstName();
+									if (m.getAddresses().size() > 2) 
+										label2Display += " & ...";
+									mu = new MessageUserModel(recipient1.getUserId(), recipient1.getUsername(), label2Display, null, "", "");
+
+								}
+							} else { //received message
+								sender = um.getUserByUsername(m.getSender().getPortalLogin());
+								mu = new MessageUserModel(sender.getUserId(), sender.getUsername(), sender.getFullname(), sender.getUserAvatarURL(), "", "");
+							}
+						} catch (Exception ex) {
+							if (!sent) {
+								mu = new MessageUserModel(m.getSender().getPortalLogin());
+							} else {
+								mu = new MessageUserModel(m.getAddresses().get(0));
+							}
+						}
+						if (!sent) { //received messages
+							boolean hasAttachments = !m.getAttachmentsIds().isEmpty();
+							toReturn.add(new ConvMessage(
+									m.getId(), 
+									m.getSubject(), 
+									mu, 
+									new Date(m.getSendTime().getTimeInMillis()), 
+									previewBody, 
+									m.isRead(),
+									hasAttachments));
+						} else { //sent messages
+							ArrayList<MessageUserModel> recipients = new ArrayList<>();
+							for (String rec : m.getAddresses()) {
+								recipients.add(new MessageUserModel(rec));
+							}
+							toReturn.add(new ConvMessage(
+									m.getId(), 
+									m.getSubject(), 
+									mu, 
+									recipients,
+									new Date(m.getSendTime().getTimeInMillis()), 
+									previewBody, 
+									m.isRead()));
+						}
+					}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		_log.trace("get All Messages Received ");
+		return toReturn;
+	}
+
+	@Override
+	public boolean markMessageUnread(String messageId) {
+		GCubeUser user =  getCurrentUser(getThreadLocalRequest());
+		String scope = pContext.getCurrentScope(getThreadLocalRequest());
+		SecurityTokenProvider.instance.set(pContext.getCurrentUserToken(scope, user.getUserId()));
+		try {
+			HomeManagerFactory factory = HomeLibrary.getHomeManagerFactory();
+			HomeManager manager = factory.getHomeManager();
+			Workspace workspace = manager.getHome().getWorkspace();
+			workspace.getWorkspaceMessageManager().getReceivedMessage(messageId).setStatus(false);
+			return true;
+		} catch (Exception e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+	@Override
+	public ConvMessage getMessageById(String messageId, boolean sent) {
+		ConvMessage toReturn = null;
+		try {
+			GCubeUser user =  getCurrentUser(getThreadLocalRequest());
+			_log.debug("*** Reading user from liferay session = " +user.getFullname());
+			String scope = pContext.getCurrentScope(getThreadLocalRequest());
+			SecurityTokenProvider.instance.set(pContext.getCurrentUserToken(scope, user.getUserId()));
+			LiferayUserManager um = new LiferayUserManager();
+			HomeManagerFactory factory = HomeLibrary.getHomeManagerFactory();
+			HomeManager manager = factory.getHomeManager();
+			Workspace workspace = manager.getHome().getWorkspace();
+			WorkspaceMessage m = (sent) ? 
+					workspace.getWorkspaceMessageManager().getSentMessage(messageId): workspace.getWorkspaceMessageManager().getReceivedMessage(messageId);
+					MessageUserModel mu = null;
+					GCubeUser sender = null;
+					try {
+						sender = um.getUserByUsername(m.getSender().getPortalLogin());
+						mu = new MessageUserModel(sender.getUserId(), sender.getUsername(), sender.getFullname(), extractDomainFromEmail(sender.getEmail()));
+					} catch (Exception ex) {
+						mu = new MessageUserModel(m.getSender().getPortalLogin());
+					}
+					ArrayList<MessageUserModel> recipients = new ArrayList<>();
+					for (String recipient : m.getAddresses()) {
+						try {
+							GCubeUser toAdd = um.getUserByUsername(recipient);
+							recipients.add(new MessageUserModel(toAdd.getUserId(), toAdd.getUsername(), toAdd.getFullname(), extractDomainFromEmail(toAdd.getEmail())));
+						}
+						catch (Exception ex) {
+							recipients.add(new MessageUserModel(recipient));
+						}
+					} 
+
+					ArrayList<FileModel> attachments = new ArrayList<>();
+					List<String> attachItems = m.getAttachmentsIds();
+					for (String itemId : attachItems) {
+						WorkspaceItem item = workspace.getItem(itemId);
+						String downloadURL = null; //removed for performanc issue and done on demand
+						attachments.add(new FileModel(item.getId(), item.getName(), null, item.isFolder(), downloadURL));
+					}
+					boolean hasAttachments = !attachItems.isEmpty();
+					toReturn = new ConvMessage(
+							m.getId(), 
+							m.getSubject(), 
+							mu, 
+							recipients,
+							new Date(m.getSendTime().getTimeInMillis()), 
+							m.getBody(), 
+							m.isRead(),
+							attachments,
+							hasAttachments);
+					if (!sent)
+						m.setStatus(true); //marked as read
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+
+		return toReturn;
+	}
+
+	@Override
+	public String getAttachmentDownloadURL(String itemId) {
+		GCubeUser user =  getCurrentUser(getThreadLocalRequest());
+		String scope = pContext.getCurrentScope(getThreadLocalRequest());
+		SecurityTokenProvider.instance.set(pContext.getCurrentUserToken(scope, user.getUserId()));
+		try {
+			HomeManagerFactory factory = HomeLibrary.getHomeManagerFactory();
+			HomeManager manager = factory.getHomeManager();
+			Workspace workspace = manager.getHome().getWorkspace();
+			WorkspaceItem item = workspace.getItem(itemId);
+			String downladURL = item.getPublicLink(false);
+			downladURL = (downladURL.startsWith("https")) ? downladURL : downladURL.replace("http", "https");
+			return downladURL;
+		} catch (Exception e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+	@Override
+	public boolean saveAttachmentToWorkspaceFolder(String itemId, String destinationFolderId) {
+		GCubeUser user =  getCurrentUser(getThreadLocalRequest());
+		String scope = pContext.getCurrentScope(getThreadLocalRequest());
+		SecurityTokenProvider.instance.set(pContext.getCurrentUserToken(scope, user.getUserId()));
+		try {
+			HomeManagerFactory factory = HomeLibrary.getHomeManagerFactory();
+			HomeManager manager = factory.getHomeManager();
+			Workspace workspace = manager.getHome().getWorkspace();
+			WorkspaceItem copied = workspace.copy(itemId, destinationFolderId);
+			return (copied != null);
+		} catch (Exception e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+	@Override
+	public boolean deleteMessageById(String messageId, boolean sent) {
+		GCubeUser user =  getCurrentUser(getThreadLocalRequest());
+		_log.debug("deleteMessageById reading user from liferay session = " +user.getFullname() + " m id = " + messageId);
+		String scope = pContext.getCurrentScope(getThreadLocalRequest());
+		SecurityTokenProvider.instance.set(pContext.getCurrentUserToken(scope, user.getUserId()));
+		try {
+			HomeManagerFactory factory = HomeLibrary.getHomeManagerFactory();
+			HomeManager manager = factory.getHomeManager();
+			WorkspaceMessageManager workspaceMessanger = manager.getHome().getWorkspace().getWorkspaceMessageManager();
+			if (sent)  
+				workspaceMessanger.deleteSentMessage(messageId);
+			else {
+				workspaceMessanger.deleteReceivedMessage(messageId);
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+			return false;
+		}
+		return true;
+	}
+
+
+	@Override
+	public ArrayList<WSUser> searchUsers(String keyword) {
+		ArrayList<WSUser> toReturn = new ArrayList<>();
+		if (isWithinPortal()) {
+			OrderByComparator comparator = OrderByComparatorFactoryUtil.create("User_", "screenname", true);
+			try {
+				_log.debug("Searching " + keyword);
+				List<User> lrUsers = UserLocalServiceUtil.search(ManagementUtils.getCompany().getCompanyId(), keyword, 0, null, QueryUtil.ALL_POS, QueryUtil.ALL_POS, comparator);
+				for (User user : lrUsers) {
+					toReturn.add(new WSUser(""+user.getUserId(), user.getScreenName(), user.getFullName(), extractDomainFromEmail(user.getEmailAddress())));
+				}
+			} catch (SystemException | PortalException e) {
+				e.printStackTrace();
+			}
+		} else { //development
+			for (int i = 0; i < 10; i++) {
+				toReturn.add(new WSUser("andrea.rossi", "andrea.rossi", "Andrea Rossi", "m.assante@gmail.com"));
+				if (i % 2 == 0)
+					toReturn.add(new WSUser(""+i, "username"+i, "userGetFullname()"+i, "user.getEmail()"+i));
+				else
+					toReturn.add(new WSUser(""+i, "ciccio"+i, "ciccioNome"+i, "ciccioEMail"+i));
+			}		
+		}
+		return toReturn;
+	}
+
+	@Override
+	public boolean sendToById(ArrayList<String> recipientIds, ArrayList<String> listAttachmentsId, String subject, String body) {
+		PortalContext pContext = PortalContext.getConfiguration();
+		GCubeUser currentUser = pContext.getCurrentUser(getThreadLocalRequest());
+
+		if (listAttachmentsId == null)
+			listAttachmentsId = new ArrayList<String>();
+		try {
+			Workspace workspace = HomeLibrary.getUserWorkspace(currentUser.getUsername());
+			_log.info("Sending message to: " + recipientIds.toString());
+			String checkedSubject = subject;
+			String checkedBody = body;
+			String messageId = workspace.getWorkspaceMessageManager().sendMessageToPortalLogins(checkedSubject, checkedBody, listAttachmentsId, recipientIds);
+			try {
+				body += getPublicLinksForAttachs(workspace, listAttachmentsId);
+			}
+			catch (InternalErrorException|ItemNotFoundException e) {
+				_log.error("Ops, could not generate publick link for some of the attachments");
+			}
+			_log.debug("Sending message notification to: " + recipientIds.toString());
+
+			List<GenericItemBean> recipients = getUsersbyUserId(recipientIds);
+
+			NotificationsManager nm = new ApplicationNotificationsManager(new SocialNetworkingSite(getThreadLocalRequest()), pContext.getCurrentScope(getThreadLocalRequest()), 
+					new SocialNetworkingUser(
+							currentUser.getUsername(),
+							currentUser.getEmail(), 
+							currentUser.getFullname(), 
+							currentUser.getUserAvatarURL()
+							));
+			Thread thread = new Thread(new MessageNotificationsThread(recipients, messageId, checkedSubject, body, nm));
+			thread.start();
+
+			return (messageId != null);
+		} catch (Exception e) {
+			_log.error("While Sending message to: " + recipientIds.toString());
+			e.printStackTrace();
+			return false;
+		}
+	}
+	/**
+	 * utility method extract the @domain.com from an email address
+	 * return  @unknown-domain in case of no emails
+	 */
+	private String extractDomainFromEmail(String email) {
+		int index =  email.indexOf('@');
+		if (index > 0)
+			return email.substring(index);
+		else 
+			return "@unknown-domain";
+	}
+	/**
+	 * return the User instance given his id
+	 * @param recipientIds
+	 * @return
+	 */
+	private List<GenericItemBean> getUsersbyUserId(List<String> recipientIds)  {
+		List<GenericItemBean> recipients = new ArrayList<GenericItemBean>();
+		for (String userid : recipientIds) {
+			GCubeUser user = null;
+			try {
+				user = new LiferayUserManager().getUserByUsername(userid);
+				recipients.add(new GenericItemBean(""+user.getUserId(), user.getUsername(), user.getFullname(), ""));
+			} catch (Exception e) {
+				e.printStackTrace();
+			}		
+		}	
+		return recipients;
+	}	
+	/**
+	 * 
+	 * @param workspace
+	 * @param listAttachmentsId
+	 * @return
+	 * @throws ItemNotFoundException 
+	 * @throws InternalErrorException 
+	 */
+	private String getPublicLinksForAttachs(Workspace workspace, ArrayList<String> listAttachmentsId) throws ItemNotFoundException, InternalErrorException{
+
+		if (listAttachmentsId != null && (!listAttachmentsId.isEmpty()) ) {
+			List<WorkspaceItem> attachments = new ArrayList<WorkspaceItem>();
+			for (String itemId : listAttachmentsId) {
+				attachments.add(workspace.getItem(itemId));
+			}
+
+			StringBuilder builder = new StringBuilder();
+
+			if(attachments!=null && attachments.size() > 0){
+				builder.append("\n\n\nThe following ");
+				String msg = attachments.size()>1?"files were attached to this message:":"file was attached to this message:";
+				builder.append(msg+"\n");
+				for (WorkspaceItem workspaceItem : attachments) {
+
+					if(workspaceItem.getType().equals(WorkspaceItemType.FOLDER_ITEM)) {
+						FolderItem folderItem = (FolderItem) workspaceItem;
+						String publicLink = "";
+						String itemName = "";
+						try {
+							itemName = workspaceItem.getName();
+							publicLink = folderItem.getPublicLink(true);
+						}
+						catch (InternalErrorException e) {
+							_log.warn("An error occurred when creating public link for attachment, skipping file: " + itemName);
+							return "";
+						}
+						builder.append(itemName + " ("+publicLink+")");
+						builder.append("\n");
+					}
+				}
+				_log.debug("returning public links: "+builder.toString());
+				return builder.toString();
+			}
+			else return "";
+		}	
+		else return "";
+	}
+
+
+	/**
+	 * 
+	 * @return the list of workspace users
+	 */
+	@Override
+	public CurrUserAndPortalUsersWrapper getWorkspaceUsers() {
+
+		PortalContext pContext = PortalContext.getConfiguration();
+		GCubeUser currentUser = pContext.getCurrentUser(getThreadLocalRequest());
+		_log.debug("trying to get WorkspaceUsers ..");
+		WSUser currUser = null;
+		ArrayList<WSUser> portalUsers = new ArrayList<WSUser>();
+
+		try {
+			if (isWithinPortal()) {
+				UserManager um = new LiferayUserManager();
+				GroupManager gm = new LiferayGroupManager();
+				List<GCubeUser> users = um.listUsersByGroup(gm.getRootVO().getGroupId());
+				for (GCubeUser user : users) {
+					_log.trace("Trying to get additional info for "+user.getUsername());
+					portalUsers.add(new WSUser(user.getUserId()+"", user.getUsername(), user.getFullname(), user.getEmail()));
+
+				}
+			} else {
+				for (int i = 0; i < 10; i++) {
+					portalUsers.add(new WSUser(""+i, "username"+i, "userGetFullname()"+i, "user.getEmail()"+i));
+				}				
+			}
+			currUser = new WSUser(currentUser.getUsername(), currentUser.getUsername(), currentUser.getFullname(), currentUser.getEmail());
+
+
+		} catch (Exception e) {
+			_log.error("Error in server get all contacts ", e);
+		}
+		CurrUserAndPortalUsersWrapper toReturn = new CurrUserAndPortalUsersWrapper(currUser, portalUsers);
+		return toReturn;
+	}
+
+
+
+
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/server/portlet/MessagesPortlet.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/server/portlet/MessagesPortlet.java
@ -0,0 +1,44 @@
+/**
+ * 
+ */
+package org.gcube.portets.user.message_conversations.server.portlet;
+
+import java.io.IOException;
+
+import javax.portlet.GenericPortlet;
+import javax.portlet.PortletException;
+import javax.portlet.PortletRequestDispatcher;
+import javax.portlet.RenderRequest;
+import javax.portlet.RenderResponse;
+
+
+/**
+ * 
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ *
+ */
+public class MessagesPortlet extends GenericPortlet {
+	
+	
+
+	/**
+	 * JSP folder name
+	 */
+	public static final String JSP_FOLDER = "/WEB-INF/jsp/";
+
+	/**
+	 * 
+	 */
+	public static final String VIEW_JSP = JSP_FOLDER + "Messages_view.jsp";
+
+	/**
+	 * @param request .
+	 * @param response .
+	 * @throws IOException .
+	 * @throws PortletException .
+	 */
+	public void doView(RenderRequest request, RenderResponse response) throws PortletException, IOException {
+		PortletRequestDispatcher rd = getPortletContext().getRequestDispatcher(VIEW_JSP);
+		rd.include(request,response);
+	}
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/shared/ConvMessage.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/shared/ConvMessage.java
@ -0,0 +1,163 @@
+package org.gcube.portets.user.message_conversations.shared;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+import com.google.gwt.user.client.rpc.IsSerializable;
+
+
+public class ConvMessage implements IsSerializable{
+	private String id;
+	private String subject;
+	private MessageUserModel owner;
+	private List<MessageUserModel> recipients;
+	private Date date;
+	private String content;
+	private boolean isRead;
+	private ArrayList<FileModel> attachments;
+	private boolean hasAttachments;
+	
+	public ConvMessage() {
+		super();
+	}
+
+
+	//full constructors
+	public ConvMessage(String id, String subject, MessageUserModel owner, List<MessageUserModel> recipients,
+			Date date, String content, boolean isRead, ArrayList<FileModel> attachments, boolean hasAttachments) {
+		super();
+		this.id = id;
+		this.subject = subject;
+		this.owner = owner;
+		this.recipients = recipients;
+		this.date = date;
+		this.content = content;
+		this.isRead = isRead;
+		this.attachments = attachments;
+		this.hasAttachments = hasAttachments;
+	}
+
+
+
+	//without recipients
+	public ConvMessage(String id, String subject, MessageUserModel owner, Date date,
+			String content, boolean isRead, boolean hasAttachments) {
+		super();
+		this.id = id;
+		this.subject = subject;
+		this.owner = owner;
+		this.recipients = null;
+		this.date = date;
+		this.content = content;
+		this.isRead = isRead;
+		this.hasAttachments = hasAttachments;
+
+	}
+	
+	//without attchment
+	public ConvMessage(String id, String subject, MessageUserModel owner, List<MessageUserModel> recipients, Date date,
+			String content, boolean isRead) {
+		super();
+		this.id = id;
+		this.subject = subject;
+		this.owner = owner;
+		this.recipients = recipients;
+		this.date = date;
+		this.content = content;
+		this.isRead = isRead;
+		attachments = new ArrayList<>();
+	}
+
+
+	public List<MessageUserModel> getRecipients() {
+		return recipients;
+	}
+
+	public void setRecipients(ArrayList<MessageUserModel> recipients) {
+		this.recipients = recipients;
+	}
+
+
+
+	public String getId() {
+		return id;
+	}
+
+	public void setId(String id) {
+		this.id = id;
+	}
+
+	public String getSubject() {
+		return subject;
+	}
+
+	public void setSubject(String subject) {
+		this.subject = subject;
+	}
+
+	public MessageUserModel getOwner() {
+		return owner;
+	}
+
+	public void setOwner(MessageUserModel owner) {
+		this.owner = owner;
+	}
+
+	public Date getDate() {
+		return date;
+	}
+
+	public void setDate(Date date) {
+		this.date = date;
+	}
+
+	public String getContent() {
+		return content;
+	}
+
+	public void setContent(String content) {
+		this.content = content;
+	}
+
+	public boolean isRead() {
+		return isRead;
+	}
+
+	public void setRead(boolean isRead) {
+		this.isRead = isRead;
+	}
+
+	public ArrayList<FileModel> getAttachments() {
+		return attachments;
+	}
+
+
+	public void setAttachments(ArrayList<FileModel> attachments) {
+		this.attachments = attachments;
+	}
+
+
+	public boolean hasAttachments() {
+		return hasAttachments;
+	}
+
+
+	public void setHasAttachments(boolean hasAttachments) {
+		this.hasAttachments = hasAttachments;
+	}
+
+
+	@Override
+	public String toString() {
+		return "ConvMessage [id=" + id + ", subject=" + subject + ", owner=" + owner + ", recipients=" + recipients
+				+ ", date=" + date + ", content=" + content + ", isRead=" + isRead + ", attachments=" + attachments
+				+ ", hasAttachments=" + hasAttachments + "]";
+	}
+
+
+
+
+	
+	
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/shared/CurrUserAndPortalUsersWrapper.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/shared/CurrUserAndPortalUsersWrapper.java
@ -0,0 +1,38 @@
+package org.gcube.portets.user.message_conversations.shared;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+
+
+@SuppressWarnings("serial")
+public class CurrUserAndPortalUsersWrapper implements Serializable {
+	
+	private WSUser currentUser;
+	private ArrayList<WSUser> users;
+	
+	public CurrUserAndPortalUsersWrapper() {
+		super();	
+	}
+	
+	public CurrUserAndPortalUsersWrapper(WSUser currentUser, ArrayList<WSUser> users) {
+		super();
+		this.currentUser = currentUser;
+		this.users = users;
+	}
+
+	public WSUser getCurrentUser() {
+		return currentUser;
+	}
+
+	public void setCurrentUser(WSUser currentUser) {
+		this.currentUser = currentUser;
+	}
+
+	public ArrayList<WSUser> getUsers() {
+		return users;
+	}
+
+	public void setUsers(ArrayList<WSUser> users) {
+		this.users = users;
+	}	
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/shared/FileModel.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/shared/FileModel.java
@ -0,0 +1,84 @@
+package org.gcube.portets.user.message_conversations.shared;
+
+import com.google.gwt.user.client.rpc.IsSerializable;
+
+public class FileModel implements IsSerializable{
+	private String identifier, name;
+	private String parentId;
+	boolean isDirectory;
+	private String downloadLink;
+	
+	public FileModel() {
+		super();
+	}
+
+	
+	
+	public FileModel(String identifier, String name, String parentId, boolean isDirectory, String downloadLink) {
+		super();
+		this.identifier = identifier;
+		this.name = name;
+		this.parentId = parentId;
+		this.isDirectory = isDirectory;
+		this.downloadLink = downloadLink;
+	}
+
+
+
+	public FileModel(String identifier, String name, String parentId, boolean isDirectory) {
+		super();
+		this.identifier = identifier;
+		this.name = name;
+		this.parentId = parentId;
+		this.isDirectory = isDirectory;
+	}
+
+	public String getIdentifier() {
+		return identifier;
+	}
+
+	public void setIdentifier(String identifier) {
+		this.identifier = identifier;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getParentId() {
+		return parentId;
+	}
+
+	public boolean isDirectory() {
+		return isDirectory;
+	}
+
+	public void setDirectory(boolean isDirectory) {
+		this.isDirectory = isDirectory;
+	}
+
+	public String getDownloadLink() {
+		return downloadLink;
+	}
+
+
+	public void setDownloadLink(String downloadLink) {
+		this.downloadLink = downloadLink;
+	}
+
+	public void setParentId(String parentId) {
+		this.parentId = parentId;
+	}
+
+	@Override
+	public String toString() {
+		return "FileModel [identifier=" + identifier + ", name=" + name + ", parentId=" + parentId + ", isDirectory="
+				+ isDirectory + ", downloadLink=" + downloadLink + "]";
+	}
+
+	
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/shared/MessageUserModel.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/shared/MessageUserModel.java
@ -0,0 +1,119 @@
+package org.gcube.portets.user.message_conversations.shared;
+
+import com.google.gwt.user.client.rpc.IsSerializable;
+
+
+public class MessageUserModel implements IsSerializable {
+	private long userId;
+	private String username;
+	private String fullName;
+	private String avatarURL;
+	private String accountURL;
+	private String email;
+
+	//this constructor is used only for development purposes
+	public MessageUserModel(String username) {
+		super();
+		this.userId = username.length();
+		this.username = username;
+		this.fullName = username.toUpperCase();
+		this.email = "test@gmail.com";
+	}
+
+	public MessageUserModel() {
+		super();
+	}
+
+	/**
+	 * 
+	 * @param userId
+	 * @param username
+	 * @param fullName
+	 * @param email
+	 */
+	public MessageUserModel(long userId, String username, String fullName, String email) {
+		super();
+		this.userId = userId;
+		this.username = username;
+		this.fullName = fullName;
+		this.avatarURL = "";
+		this.accountURL = "";
+		this.email = email;
+	}
+	/**
+	 * 
+	 * @param userId
+	 * @param username
+	 * @param fullName
+	 * @param avatarURL
+	 * @param accountURL
+	 * @param email
+	 */
+	public MessageUserModel(long userId, String username, String fullName, String avatarURL, String accountURL, String email) {
+		super();
+		this.userId = userId;
+		this.username = username;
+		this.fullName = fullName;
+		this.avatarURL = avatarURL;
+		this.accountURL = accountURL;
+		this.email = email;
+	}
+
+
+	public long getUserId() {
+		return userId;
+	}
+
+	public void setUserId(long userId) {
+		this.userId = userId;
+	}
+
+	public String getUsername() {
+		return username;
+	}
+
+	public void setUsername(String username) {
+		this.username = username;
+	}
+
+	public String getFullName() {
+		return fullName;
+	}
+
+	public void setFullName(String fullName) {
+		this.fullName = fullName;
+	}
+
+	public String getAvatarURL() {
+		return avatarURL;
+	}
+
+	public void setAvatarURL(String avatarURL) {
+		this.avatarURL = avatarURL;
+	}
+
+	public String getAccountURL() {
+		return accountURL;
+	}
+
+	public void setAccountURL(String accountURL) {
+		this.accountURL = accountURL;
+	}
+
+	public String getEmail() {
+		return email;
+	}
+
+	public void setEmail(String email) {
+		this.email = email;
+	}
+
+	@Override
+	public String toString() {
+		return "MessageUserModel [userId=" + userId + ", username=" + username + ", fullName=" + fullName
+				+ ", avatarURL=" + avatarURL + ", accountURL=" + accountURL + ", email=" + email + "]";
+	}
+
+	
+	
+}
--- a/src/main/java/org/gcube/portets/user/message_conversations/shared/WSUser.java
+++ b/src/main/java/org/gcube/portets/user/message_conversations/shared/WSUser.java
@ -0,0 +1,54 @@
+package org.gcube.portets.user.message_conversations.shared;
+
+import com.google.gwt.user.client.rpc.IsSerializable;
+/**
+ * 
+ * @author Massimiliano Assante, ISTI-CNR
+ *
+ */
+@SuppressWarnings("serial")
+public class WSUser implements IsSerializable{
+	private String id;
+	private String screenname;
+	private String fullName;
+	private String email;
+
+	public WSUser() {
+		super();
+	}
+	
+	public WSUser(String id, String screenname, String fullName, String email) {
+		super();
+		this.id = id;
+		this.screenname = screenname;
+		this.fullName = fullName;
+		this.email = email;
+	}
+	public String getId() {
+		return id;
+	}
+	public void setId(String id) {
+		this.id = id;
+	}
+	public String getScreenname() {
+		return screenname;
+	}
+	public void setScreenname(String screenname) {
+		this.screenname = screenname;
+	}
+	public String getFullName() {
+		return fullName;
+	}
+	public void setFullName(String fullName) {
+		this.fullName = fullName;
+	}
+	public String getEmail() {
+		return email;
+	}
+	public void setEmail(String email) {
+		this.email = email;
+	}	
+	public String toString() {
+		return "\nid="+id+" \nlogin="+screenname+" \nfullname="+fullName+" \nemail="+email;
+	}
+}
--- a/src/main/resources/clientlog4j.properties
+++ b/src/main/resources/clientlog4j.properties
@ -0,0 +1,18 @@
+log4j.rootLogger=INFO, A1
+log4j.appender.A1=org.apache.log4j.ConsoleAppender
+log4j.appender.A1.layout=org.apache.log4j.PatternLayout
+
+# Print the date in ISO 8601 format
+log4j.appender.A1.layout.ConversionPattern=%d [%t] %-5p %c - %m%n
+
+# Print only messages of level TRACE or above in the package org.gcube
+log4j.logger.org.gcube=DEBUG
+log4j.logger.org.gcube.application.framework.core.session=INFO
+log4j.logger.org.gcube.common.scope.impl.DefaultScopeProvider=ERROR
+log4j.logger.com.netflix.astyanax.connectionpool.impl.CountingConnectionPoolMonitor=ERROR
+log4j.logger.org.gcube.common.homelibrary=WARN
+log4j.logger.org.gcube.common.authorization=WARN
+log4j.logger.org.gcube.common.clients=WARN
+log4j.logger.org.gcube.resources.clients=WARN
+log4j.logger.org.gcube.contentmanager=WARN
+log4j.logger.org.gcube.resources.discovery=WARN
--- a/src/main/resources/devnext.servicemap
+++ b/src/main/resources/devnext.servicemap
@ -0,0 +1,5 @@
+<service-map scope='/gcube/devNext' version="1.0.7-SNAPSHOT">
+	<services>
+		<service name='XQueryAccessService' endpoint='http://node22.d.d4science.research-infrastructures.eu:8080/wsrf/services/gcube/informationsystem/collector/XQueryAccess' />
+	</services>
+</service-map>
--- a/src/main/resources/devsec.servicemap
+++ b/src/main/resources/devsec.servicemap
@ -0,0 +1,5 @@
+<service-map scope='/gcube/devsec' version="1.0.7-SNAPSHOT">
+	<services>
+		<service name='XQueryAccessService' endpoint='http://dlib01.isti.cnr.it:8080/wsrf/services/gcube/informationsystem/collector/XQueryAccess' />
+	</services>
+</service-map>
--- a/src/main/resources/gcube.servicemap
+++ b/src/main/resources/gcube.servicemap
@ -0,0 +1,5 @@
+<service-map scope='/gcube' version="1.0.7-SNAPSHOT">
+	<services>
+		<service name='XQueryAccessService' endpoint='http://node5.d.d4science.research-infrastructures.eu:8000/wsrf/services/gcube/informationsystem/collector/XQueryAccess' />
+	</services>
+</service-map>
--- a/src/main/resources/org/gcube/portets/user/message_conversations/MessageConversations.gwt.xml
+++ b/src/main/resources/org/gcube/portets/user/message_conversations/MessageConversations.gwt.xml
@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module rename-to='MessageConversations'>
+	<!-- Inherit the core Web Toolkit stuff. -->
+	<inherits name='com.google.gwt.user.User' />
+
+	<!-- Inherit the default GWT style sheet. You can change -->
+	<!-- the theme of your GWT application by uncommenting -->
+	<!-- 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'/> -->
+	<inherits name='org.gcube.portlets.widgets.wsexplorer.WorkspaceExplorer' />
+	<!-- Other module inherits -->
+	<!-- GWT Material -->
+	<inherits name="gwt.material.design.GwtMaterialWithJQueryDebug" />
+
+	<!--Inherit the GCubeClientContext widget code -->
+	<inherits name='org.gcube.portal.clientcontext.GCubeClientContext' />
+	<inherits name="gwt.material.design.addins.GwtMaterialAddins" />
+	<!-- Specify the app entry point class. -->
+	<entry-point
+		class='org.gcube.portets.user.message_conversations.client.MessageConversations' />
+
+	<!-- Specify the paths for translatable code -->
+	<source path='client' />
+	<source path='shared' />
+
+</module>
--- a/src/main/webapp/MessageConversations.css
+++ b/src/main/webapp/MessageConversations.css
@ -0,0 +1,46 @@
+.unread-message {
+		border-left: 3px solid #2196f3;
+	}
+
+.collection .collection-item.active {
+    background-color: #0277bd !important;
+}
+
+.collection .collection-item.active span.black-text {
+    color: #fff !important;
+}
+
+.collection .collection-item.active span.grey-text {
+    color: #ccc !important;
+}
+
+.message-metadata > div:not(.empty-state) h4 {
+	font-size: 2em;
+	margin-top: 10px !important;
+	font-weight: 400 !important;
+}
+
+.message-metadata > div.message-sender h4 {
+	font-size: 2.2em;
+	font-weight: 500 !important;
+}
+
+.message-metadata > div.message-recipients h4 {
+	font-size: 1.6em;
+	color: #555;
+	padding-bottom: 5px;
+	border-bottom: 1px solid grey;
+}
+
+.gwt-SuggestBoxPopup .item-selected {
+	color: #1565c0  !important;
+	
+}
+.breadcrumb {
+    padding: 2px 10px;
+}
+
+div.modal.BS-Navigator.in div.modal-body {
+	height: 300px;
+}
+	
--- a/src/main/webapp/MessageConversations.html
+++ b/src/main/webapp/MessageConversations.html
@ -0,0 +1,27 @@
+<!doctype html>
+<!-- The DOCTYPE declaration above will set the    -->
+<!-- browser's rendering engine into               -->
+<!-- "Standards Mode". Replacing this declaration  -->
+<!-- with a "Quirks Mode" doctype may lead to some -->
+<!-- differences in layout.                        -->
+
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+
+<link type="text/css" rel="stylesheet" href="MessageConversations.css">
+
+<title>Messages Web</title>
+                    
+<script type="text/javascript" src="js/gcube-context.js"></script>
+<script type="text/javascript" src="MessageConversations/MessageConversations.nocache.js"></script>
+</head>
+
+<body>
+<script type="text/javascript" src="js/iframe-context.js"></script>  
+<script type="text/javascript">
+	injectClientContext();
+</script>
+<div id="create-users-container"></div>
+</body>
+</html>
--- a/src/main/webapp/WEB-INF/jsp/Messages_view.jsp
+++ b/src/main/webapp/WEB-INF/jsp/Messages_view.jsp
@ -0,0 +1,53 @@
+ 
+<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet"%>
+<%@ page
+	import="org.gcube.vomanagement.usermanagement.impl.LiferayGroupManager"%>
+<%@ page
+	import="org.gcube.common.authorization.library.provider.UserInfo"%>
+<%@ page import="org.gcube.common.portal.PortalContext"%>
+
+
+<%
+	long groupId = com.liferay.portal.util.PortalUtil.getScopeGroupId(request);
+	long userId = com.liferay.portal.util.PortalUtil.getUser(request).getUserId();
+
+	String strURL = response.encodeURL(
+			request.getContextPath() + "/MessageConversations.html?gid=" + groupId + "&uid=" + userId);
+%>
+
+<script type="application/javascript">
+function resizeIFrameToFitContent( iFrame ) {
+	var dockBarHeight =  (window.innerWidth > 768) ? 90 : 0;
+    iFrame.height = window.innerHeight - dockBarHeight;
+}
+
+window.addEventListener('DOMContentLoaded', function(e) {
+    var iFrame = document.getElementById( 'myIframe' );
+    resizeIFrameToFitContent( iFrame );
+} );
+</script>
+
+<iframe id="myIframe" src='<%=strURL%>' width="100%" marginwidth="0"
+	marginheight="0" frameborder="0" scrolling="no" style="	overflow-x: hidden; "> </iframe>
+
+<!-- iFrame resize handler -->
+<script type="text/javascript">
+	$(document).ready(function() {
+		var resizeDelay = 200;
+		var doResize = true;
+		var resizer = function() {
+			if (doResize) {
+				var iFrame = document.getElementById('myIframe');
+				resizeIFrameToFitContent(iFrame);
+				doResize = false;
+			}
+		};
+		var resizerInterval = setInterval(resizer, resizeDelay);
+		resizer();
+
+		$(window).resize(function() {
+			doResize = true;
+		});
+	});
+</script>
+
--- a/src/main/webapp/WEB-INF/liferay-display.xml
+++ b/src/main/webapp/WEB-INF/liferay-display.xml
@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<!DOCTYPE display PUBLIC "-//Liferay//DTD Display 6.2.0//EN" "http://www.liferay.com/dtd/liferay-display_6_2_0.dtd">
+
+<display>
+	<category name="gCube Enabling Apps">
+		<portlet id="MessageConv" />
+	</category>
+</display>
--- a/src/main/webapp/WEB-INF/liferay-plugin-package.properties
+++ b/src/main/webapp/WEB-INF/liferay-plugin-package.properties
@ -0,0 +1,9 @@
+name=MessageConv
+module-group-id=liferay
+module-incremental-version=1
+tags=
+short-description=
+change-log=
+page-url=http://www.d4science.org
+author=D4Science.org
+licenses=EUPL
--- a/src/main/webapp/WEB-INF/liferay-portlet.xml
+++ b/src/main/webapp/WEB-INF/liferay-portlet.xml
@ -0,0 +1,28 @@
+<?xml version="1.0"?>
+<!DOCTYPE liferay-portlet-app PUBLIC "-//Liferay//DTD Portlet Application 6.2.0//EN" "http://www.liferay.com/dtd/liferay-portlet-app_6_2_0.dtd">
+
+<liferay-portlet-app>
+	<portlet>
+		<portlet-name>MessageConv</portlet-name>
+		<layout-cacheable>false</layout-cacheable>
+		<instanceable>false</instanceable>
+		<ajaxable>false</ajaxable> 
+		<header-portlet-css>/MessageConversations.css</header-portlet-css>
+	</portlet>
+	<role-mapper>
+		<role-name>administrator</role-name>
+		<role-link>Administrator</role-link>
+	</role-mapper>
+	<role-mapper>
+		<role-name>guest</role-name>
+		<role-link>Guest</role-link>
+	</role-mapper>
+	<role-mapper>
+		<role-name>power-user</role-name>
+		<role-link>Power User</role-link>
+	</role-mapper>
+	<role-mapper>
+		<role-name>user</role-name>
+		<role-link>User</role-link>
+	</role-mapper>
+</liferay-portlet-app>
--- a/src/main/webapp/WEB-INF/portlet.xml
+++ b/src/main/webapp/WEB-INF/portlet.xml
@ -0,0 +1,36 @@
+<?xml version="1.0"?>
+
+<portlet-app
+	version="2.0"
+	xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"
+>
+	<portlet>
+		<portlet-name>MessageConv</portlet-name>
+		<display-name>MessageConv</display-name>
+		<portlet-class>org.gcube.portets.user.message_conversations.server.portlet.MessagesPortlet</portlet-class>
+		<init-param>
+			<name>view-jsp</name>
+			<value>/view.jsp</value>
+		</init-param>
+		<expiration-cache>0</expiration-cache>
+		<supports>
+			<mime-type>text/html</mime-type>
+		</supports>
+		<portlet-info>
+			<title>MessageConv Sent</title>
+			<short-title>MessageConv Sent</short-title>
+			<keywords>MessageConv Sent</keywords>
+		</portlet-info>
+		<portlet-preferences>
+			<preference>
+				<name>portletSetupShowBorders</name>
+				<value>false</value>
+			</preference>
+		</portlet-preferences>
+		<security-role-ref>
+			<role-name>administrator</role-name>
+		</security-role-ref>
+	</portlet>
+</portlet-app>
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
+          http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+	version="3.0">
+
+	<!-- Servlets -->
+	<servlet>
+		<servlet-name>convServlet</servlet-name>
+		<servlet-class>org.gcube.portets.user.message_conversations.server.ConvServiceImpl</servlet-class>
+	</servlet>
+
+	<servlet-mapping>
+		<servlet-name>convServlet</servlet-name>
+		<url-pattern>/delegate/message-conversations</url-pattern>
+	</servlet-mapping>
+
+	<servlet>
+		<servlet-name>message-conversations</servlet-name>
+		<servlet-class>com.liferay.portal.kernel.servlet.PortalDelegateServlet</servlet-class>
+		<init-param>
+			<param-name>servlet-class</param-name>
+			<param-value>org.gcube.portets.user.message_conversations.server.ConvServiceImpl</param-value>
+		</init-param>
+		<init-param>
+			<param-name>sub-context</param-name>
+			<param-value>message-conversations</param-value>
+		</init-param>
+		<load-on-startup>1</load-on-startup>
+	</servlet>
+
+	<!-- Workspace Explorer -->
+	<servlet>
+		<servlet-name>workspaceExplorer</servlet-name>
+		<servlet-class>org.gcube.portlets.widgets.wsexplorer.server.WorkspaceExplorerServiceImpl</servlet-class>
+	</servlet>
+
+	<servlet-mapping>
+		<servlet-name>workspaceExplorer</servlet-name>
+		<url-pattern>/MessageConversations/WorkspaceExplorerService</url-pattern>
+	</servlet-mapping>
+
+	<!-- Default page to serve -->
+	<welcome-file-list>
+		<welcome-file>MessageConversations.html</welcome-file>
+	</welcome-file-list>
+
+</web-app>
--- a/src/main/webapp/js/gcube-context.js
+++ b/src/main/webapp/js/gcube-context.js
@ -0,0 +1,31 @@
+/* 
+ * Author: Massimiliano Assante, CNR-ISTI 
+ * */
+
+/*The following function simply injects the Liferay object field scopeGroupId in the XMLHttpRequest header.
+ * So that every ajax call performed in the page has those parameters set.*/
+function injectClientContext() {
+	if (Liferay != null) {
+		var userId;
+		var groupId;
+		if (Liferay.ThemeDisplay.isSignedIn()) {
+			userId = Liferay.ThemeDisplay.getUserId(); 
+			groupId = Liferay.ThemeDisplay.getScopeGroupId();			
+			console.log("groupid is = " + groupId);
+		}
+		else {
+			groupId = Liferay.ThemeDisplay.getScopeGroupId();
+			//console.log('Not logged in, injecting groupId only');
+		}
+		//attach the 3 header params in all the XHR sends
+		(function(send) {
+			XMLHttpRequest.prototype.send = function(data) {
+				this.setRequestHeader("gcube-userId", userId);
+				this.setRequestHeader("gcube-vreid", groupId);
+				this.setRequestHeader("gcube-request-url", location.href);
+				send.call(this, data);
+			};
+		})(XMLHttpRequest.prototype.send);
+	}
+}
+
--- a/src/main/webapp/js/iframe-context.js
+++ b/src/main/webapp/js/iframe-context.js
@ -0,0 +1,33 @@
+/* 
+ * Author: Massimiliano Assante, CNR-ISTI 
+ * */
+
+function getParameterByName(name, url) {
+		if (!url) url = window.location.href;
+		name = name.replace(/[\[\]]/g, "\\$&");
+		var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
+		results = regex.exec(url);
+		if (!results) return null;
+		if (!results[2]) return '';
+		return decodeURIComponent(results[2].replace(/\+/g, " "));
+}
+	
+
+	var ThemeDisplayObject = { 
+			userId : getParameterByName('uid'),
+			groupId : getParameterByName('gid'),
+			getUserId : function () {
+				return this.userId
+			},
+			getScopeGroupId : function () {
+				return this.groupId
+			},
+			isSignedIn : function () {
+				return true
+			} 
+	} 
+
+	var Liferay = new Object();
+	Liferay.ThemeDisplay = ThemeDisplayObject;
+
+
--- a/src/main/webapp/test.html
+++ b/src/main/webapp/test.html
@ -0,0 +1,15 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>Insert title here</title>
+
+</head>
+<body>
+
+ciao
+<iframe id="IframeMessage" src='MessageConversations.html' width="100%" onload="this.style.height=this.contentDocument.body.scrollHeight +'px';" 
+marginwidth="0" marginheight="0" frameborder="1" scrolling="no" ></iframe>
+
+</body>
+</html>
				`@ -0,0 +1 @@`
				`org.eclipse.wst.jsdt.launching.baseBrowserLibrary`
				`@ -0,0 +1 @@`
				.autocomplete.disabled .chip i,.suggestPopupBottom,.suggestPopupMiddleLeft,.suggestPopupMiddleRight,.suggestPopupTop{display:none}ul.multiValueSuggestBox-list{overflow:hidden;height:auto!important;height:1%;cursor:text;min-height:1px;z-index:999;margin:0 0 15px;padding:0;border:none;width:100%;list-style-type:none;border-bottom:1px solid #9e9e9e}.autocomplete.disabled ul.multiValueSuggestBox-list{border-bottom:1px dotted rgba(0,0,0,.26)}.autocomplete-text .multiValueSuggestBox-input-token,.autocomplete-text .multiValueSuggestBox-input-token input{width:100%!important}.autocomplete.read-only ul.multiValueSuggestBox-list{border:none!important}.autocomplete.disabled .chip{color:rgba(0,0,0,.6)!important;background-color:#e4e4e4!important}.gwt-SuggestBoxPopup .item{padding-left:20px!important;padding:12px}.gwt-SuggestBoxPopup .item img{border-radius:12px;float:left;height:24px;width:24px;margin-right:12px}.gwt-SuggestBoxPopup{z-index:9999;min-width:300px!important;background:#fff;border-radius:2px;-webkit-box-shadow:0 2px 5px 0 rgba(0,0,0,.16),0 2px 10px 0 rgba(0,0,0,.12);-moz-box-shadow:0 2px 5px 0 rgba(0,0,0,.16),0 2px 10px 0 rgba(0,0,0,.12);box-shadow:0 2px 5px 0 rgba(0,0,0,.16),0 2px 10px 0 rgba(0,0,0,.12)}.gwt-SuggestBoxPopup tr{white-space:nowrap}.gwt-SuggestBoxPopup .item-selected{background:rgba(0,0,0,.03)!important}.suggestPopupMiddleCenter{width:100%;padding:0!important}.suggestPopupMiddle{width:100%;left:0!important}ul.multiValueSuggestBox-list li input{width:200px;background-color:transparent;margin:0;border:none!important}ul.multiValueSuggestBox-list input[type=text]:focus:not([readonly]){border:none!important;box-shadow:0 1px 0 0 #fff!important}li.multiValueSuggestBox-token{cursor:default;float:left;margin:8px 0 0 8px}li.multiValueSuggestBox-input-token{float:left}.row .autocomplete label{left:.75rem!important}