diff --git a/.classpath b/.classpath
index 9c8dae5..8002ff7 100644
--- a/.classpath
+++ b/.classpath
@@ -40,6 +40,7 @@
 	<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="lib" path="/home/giancarlo/gwt/gwt-2.6.1/validation-api-1.0.0.GA.jar" sourcepath="/home/giancarlo/gwt/gwt-2.6.1/validation-api-1.0.0.GA-sources.jar"/>
diff --git a/.settings/.jsdtscope b/.settings/.jsdtscope
deleted file mode 100644
index 3b2886e..0000000
--- a/.settings/.jsdtscope
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="target/m2e-wtp/web-resources"/>
-	<classpathentry kind="src" path="src/main/webapp"/>
-	<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>
diff --git a/.settings/com.google.appengine.eclipse.core.prefs b/.settings/com.google.appengine.eclipse.core.prefs
deleted file mode 100644
index 5260f5f..0000000
--- a/.settings/com.google.appengine.eclipse.core.prefs
+++ /dev/null
@@ -1,4 +0,0 @@
-eclipse.preferences.version=1
-filesCopiedToWebInfLib=
-googleCloudSqlEnabled=false
-localDevMySqlEnabled=true
diff --git a/.settings/com.google.gdt.eclipse.core.prefs b/.settings/com.google.gdt.eclipse.core.prefs
deleted file mode 100644
index 347db08..0000000
--- a/.settings/com.google.gdt.eclipse.core.prefs
+++ /dev/null
@@ -1,5 +0,0 @@
-eclipse.preferences.version=1
-jarsExcludedFromWebInfLib=
-lastWarOutDir=/home/giancarlo/workspace/tabular-data-column-widget/target/tabular-data-column-widget-1.0.0-SNAPSHOT
-warSrcDir=src/main/webapp
-warSrcDirIsOutput=false
diff --git a/.settings/com.google.gwt.eclipse.core.prefs b/.settings/com.google.gwt.eclipse.core.prefs
deleted file mode 100644
index 4ce79ba..0000000
--- a/.settings/com.google.gwt.eclipse.core.prefs
+++ /dev/null
@@ -1,3 +0,0 @@
-eclipse.preferences.version=1
-entryPointModules=org.gcube.portlets.user.td.columnwidget.ColumnWidget
-filesCopiedToWebInfLib=
diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
deleted file mode 100644
index 29abf99..0000000
--- a/.settings/org.eclipse.core.resources.prefs
+++ /dev/null
@@ -1,6 +0,0 @@
-eclipse.preferences.version=1
-encoding//src/main/java=UTF-8
-encoding//src/main/resources=UTF-8
-encoding//src/test/java=UTF-8
-encoding//src/test/resources=UTF-8
-encoding/<project>=UTF-8
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 39ec1d9..0000000
--- a/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,91 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.annotation.missingNonNullByDefaultAnnotation=ignore
-org.eclipse.jdt.core.compiler.annotation.nonnull=org.eclipse.jdt.annotation.NonNull
-org.eclipse.jdt.core.compiler.annotation.nonnullbydefault=org.eclipse.jdt.annotation.NonNullByDefault
-org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nullable
-org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
-org.eclipse.jdt.core.compiler.compliance=1.7
-org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.autoboxing=ignore
-org.eclipse.jdt.core.compiler.problem.comparingIdentical=warning
-org.eclipse.jdt.core.compiler.problem.deadCode=warning
-org.eclipse.jdt.core.compiler.problem.deprecation=warning
-org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
-org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
-org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
-org.eclipse.jdt.core.compiler.problem.emptyStatement=ignore
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
-org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
-org.eclipse.jdt.core.compiler.problem.fatalOptionalError=disabled
-org.eclipse.jdt.core.compiler.problem.fieldHiding=ignore
-org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
-org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=warning
-org.eclipse.jdt.core.compiler.problem.includeNullInfoFromAsserts=disabled
-org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
-org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=warning
-org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=ignore
-org.eclipse.jdt.core.compiler.problem.localVariableHiding=ignore
-org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=warning
-org.eclipse.jdt.core.compiler.problem.missingDefaultCase=ignore
-org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=ignore
-org.eclipse.jdt.core.compiler.problem.missingEnumCaseDespiteDefault=disabled
-org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod=ignore
-org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=ignore
-org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotationForInterfaceMethodImplementation=enabled
-org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
-org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=ignore
-org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
-org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
-org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
-org.eclipse.jdt.core.compiler.problem.nullAnnotationInferenceConflict=error
-org.eclipse.jdt.core.compiler.problem.nullReference=warning
-org.eclipse.jdt.core.compiler.problem.nullSpecViolation=error
-org.eclipse.jdt.core.compiler.problem.nullUncheckedConversion=warning
-org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
-org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
-org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=ignore
-org.eclipse.jdt.core.compiler.problem.potentialNullReference=ignore
-org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=ignore
-org.eclipse.jdt.core.compiler.problem.rawTypeReference=warning
-org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=warning
-org.eclipse.jdt.core.compiler.problem.redundantNullCheck=ignore
-org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments=ignore
-org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=ignore
-org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
-org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
-org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
-org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
-org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
-org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
-org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
-org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
-org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems=enabled
-org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
-org.eclipse.jdt.core.compiler.problem.unclosedCloseable=warning
-org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=ignore
-org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
-org.eclipse.jdt.core.compiler.problem.unnecessaryElse=ignore
-org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=ignore
-org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
-org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=ignore
-org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable=enabled
-org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
-org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=disabled
-org.eclipse.jdt.core.compiler.problem.unusedImport=warning
-org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
-org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
-org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation=ignore
-org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
-org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference=enabled
-org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
-org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
-org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
-org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
-org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.7
diff --git a/.settings/org.eclipse.m2e.core.prefs b/.settings/org.eclipse.m2e.core.prefs
deleted file mode 100644
index f897a7f..0000000
--- a/.settings/org.eclipse.m2e.core.prefs
+++ /dev/null
@@ -1,4 +0,0 @@
-activeProfiles=
-eclipse.preferences.version=1
-resolveWorkspaceProjects=true
-version=1
diff --git a/.settings/org.eclipse.wst.common.component b/.settings/org.eclipse.wst.common.component
deleted file mode 100644
index 5030e3e..0000000
--- a/.settings/org.eclipse.wst.common.component
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
-    <wb-module deploy-name="tabular-data-column-widget">
-        <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"/>
-        <property name="context-root" value="tabular-data-column-widget"/>
-        <property name="java-output-path" value="/tabular-data-column-widget/target/tabular-data-column-widget-1.0.0-SNAPSHOT/WEB-INF/classes"/>
-    </wb-module>
-</project-modules>
diff --git a/.settings/org.eclipse.wst.common.project.facet.core.prefs.xml b/.settings/org.eclipse.wst.common.project.facet.core.prefs.xml
new file mode 100644
index 0000000..cc81385
--- /dev/null
+++ b/.settings/org.eclipse.wst.common.project.facet.core.prefs.xml
@@ -0,0 +1,7 @@
+<root>
+  <facet id="jst.jaxrs">
+    <node name="libprov">
+      <attribute name="provider-id" value="jaxrs-no-op-library-provider"/>
+    </node>
+  </facet>
+</root>
diff --git a/.settings/org.eclipse.wst.common.project.facet.core.xml b/.settings/org.eclipse.wst.common.project.facet.core.xml
deleted file mode 100644
index 4045d87..0000000
--- a/.settings/org.eclipse.wst.common.project.facet.core.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<faceted-project>
-  <fixed facet="wst.jsdt.web"/>
-  <installed facet="jst.web" version="2.3"/>
-  <installed facet="wst.jsdt.web" version="1.0"/>
-  <installed facet="java" version="1.7"/>
-</faceted-project>
diff --git a/.settings/org.eclipse.wst.jsdt.ui.superType.container b/.settings/org.eclipse.wst.jsdt.ui.superType.container
deleted file mode 100644
index 3bd5d0a..0000000
--- a/.settings/org.eclipse.wst.jsdt.ui.superType.container
+++ /dev/null
@@ -1 +0,0 @@
-org.eclipse.wst.jsdt.launching.baseBrowserLibrary
\ No newline at end of file
diff --git a/.settings/org.eclipse.wst.jsdt.ui.superType.name b/.settings/org.eclipse.wst.jsdt.ui.superType.name
deleted file mode 100644
index 05bd71b..0000000
--- a/.settings/org.eclipse.wst.jsdt.ui.superType.name
+++ /dev/null
@@ -1 +0,0 @@
-Window
\ No newline at end of file
diff --git a/ColumnWidget.launch b/ColumnWidget.launch
index 09bc55d..8f76bcd 100644
--- a/ColumnWidget.launch
+++ b/ColumnWidget.launch
@@ -8,12 +8,9 @@
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
 <listEntry value="4"/>
 </listAttribute>
-<mapAttribute key="org.eclipse.debug.core.environmentVariables">
-<mapEntry key="GLOBUS_LOCATION" value="${GLOBUS_LOCATION}"/>
-</mapAttribute>
 <stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="com.google.gdt.eclipse.maven.mavenClasspathProvider"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="com.google.gwt.dev.DevMode"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-remoteUI &quot;${gwt_remote_ui_server_port}:${unique_id}&quot; -startupUrl ColumnWidget.html -logLevel INFO -port 8888 -codeServerPort 9997 -war /home/giancarlo/workspace/tabular-data-column-widget/target/tabular-data-column-widget-1.0.0-SNAPSHOT org.gcube.portlets.user.td.columnwidget.ColumnWidget"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-remoteUI &quot;${gwt_remote_ui_server_port}:${unique_id}&quot; -startupUrl ColumnWidget.html -logLevel INFO -codeServerPort 9997 -port 8888 org.gcube.portlets.user.td.columnwidget.ColumnWidget"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="tabular-data-column-widget"/>
 <stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xmx512m -Dgwt.nowarn.legacy.tools"/>
 </launchConfiguration>
diff --git a/pom.xml b/pom.xml
index cc2913b..440de74 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,6 +73,16 @@
 					<version>1.0.1</version>
 					<scope>runtime</scope>
 				</dependency>
+				<dependency>
+					<groupId>org.gcube.common</groupId>
+					<artifactId>home-library</artifactId>
+				</dependency>
+				<dependency>
+					<groupId>org.gcube.core</groupId>
+					<artifactId>common-scope-maps</artifactId>
+					<version>[1.0.2-SNAPSHOT,2.0.0-SNAPSHOT)</version>
+					<scope>compile</scope>
+				</dependency>
 			</dependencies>
 		</profile>
 	</profiles>
@@ -90,7 +100,7 @@
 			<version>${gwtVersion}</version>
 		</dependency>
 
-
+		<!-- 
 		<dependency>
 			<groupId>javax.validation</groupId>
 			<artifactId>validation-api</artifactId>
@@ -103,7 +113,7 @@
 			<version>1.0.0.GA</version>
 			<classifier>sources</classifier>
 			<scope>test</scope>
-		</dependency>
+		</dependency> -->
 
 		<dependency>
 			<groupId>com.sencha.gxt</groupId>
@@ -117,7 +127,7 @@
 			<groupId>org.gcube.portlets.user</groupId>
 			<artifactId>tabular-data-gwt-service</artifactId>
 			<version>[2.0.0-SNAPSHOT,3.0.0-SNAPSHOT)</version>
-			<scope>provided</scope>
+			<!-- <scope>provided</scope> -->
 		</dependency>
 
 		<!-- tabular-data-widget-common-event -->
@@ -125,7 +135,7 @@
 			<groupId>org.gcube.portlets.user</groupId>
 			<artifactId>tabular-data-widget-common-event</artifactId>
 			<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
-			<scope>provided</scope>
+			<!-- <scope>provided</scope> -->
 		</dependency>
 
 		<!-- TD Expression -->
@@ -133,7 +143,7 @@
 			<groupId>org.gcube.portlets.user</groupId>
 			<artifactId>tabular-data-expression-widget</artifactId>
 			<version>[1.0.0-SNAPSHOT, 2.0.0-SNAPSHOT)</version>
-			<scope>provided</scope>
+			<!--  <scope>provided</scope> -->
 		</dependency>
 
 		
@@ -142,7 +152,7 @@
 			<groupId>org.gcube.portlets.user</groupId>
 			<artifactId>tabular-data-widgetx-tdx-source</artifactId>
 			<version>[1.0.0-SNAPSHOT, 2.0.0-SNAPSHOT)</version>
-			<scope>provided</scope>
+			<!--   <scope>provided</scope> -->
 		</dependency>
 
 		<!-- tabular-data-monitor-widget -->
@@ -150,7 +160,7 @@
 			<groupId>org.gcube.portlets.user</groupId>
 			<artifactId>tabular-data-monitor-widget</artifactId>
 			<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
-			<scope>provided</scope>
+			<!--  <scope>provided</scope> -->
 		</dependency>
 
 		<!-- LOGGING -->
@@ -158,13 +168,12 @@
 			<groupId>com.allen-sauer.gwt.log</groupId>
 			<artifactId>gwt-log</artifactId>
 			<version>${gwtLogVersion}</version>
-			<scope>provided</scope>
+			<!--  <scope>provided</scope> -->
 		</dependency>
 
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
-			<!-- <scope>compile</scope> -->
 		</dependency>
 
 		<!-- JUNIT -->
@@ -332,4 +341,5 @@
 			</dependency>
 		</dependencies>
 	</dependencyManagement>
+	<packaging>war</packaging>
 </project>
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
index f2925bd..0eed1ff 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
@@ -167,7 +167,6 @@ public class AddColumnPanel extends FramedPanel implements
 		// Label
 		label = new TextField();
 
-		// TODO
 		// Default Value
 		defaultValueString = new TextField();
 		defaultStringLabel = new FieldLabel(defaultValueString, "Default");
diff --git a/src/main/resources/org/gcube/portlets/user/td/columnwidget/ColumnWidget.gwt.xml b/src/main/resources/org/gcube/portlets/user/td/columnwidget/ColumnWidget.gwt.xml
index bb75660..f50f1a9 100644
--- a/src/main/resources/org/gcube/portlets/user/td/columnwidget/ColumnWidget.gwt.xml
+++ b/src/main/resources/org/gcube/portlets/user/td/columnwidget/ColumnWidget.gwt.xml
@@ -11,13 +11,15 @@
   <!-- 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.standard.Standard' /> -->
   <!-- <inherits name='com.google.gwt.user.theme.chrome.Chrome'/> -->
   <!-- <inherits name='com.google.gwt.user.theme.dark.Dark'/>     -->
 
   <!-- Other module inherits                                      -->
   <inherits name='com.sencha.gxt.ui.GXT' />
+  <inherits name='com.sencha.gxt.theme.blue.Blue' />
   <inherits name="com.allen_sauer.gwt.log.gwt-log-TRACE" />
+  
   <inherits name='org.gcube.portlets.user.td.gwtservice.TDGWTService' />
   <inherits
 		name='org.gcube.portlets.user.td.expressionwidget.ExpressionWidget' />