diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/resources/Icons.java b/src/main/java/org/gcube/portlets/user/workspace/client/resources/Icons.java
index 5a94332..bc62690 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/resources/Icons.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/resources/Icons.java
@@ -327,6 +327,30 @@ public interface Icons extends ClientBundle {
 	
 
 
+	/**
+	 * @return
+	 */
+	@Source("icons/aoneleft.png")
+	ImageResource selectedLeft();
+	
+	/**
+	 * @return
+	 */
+	@Source("icons/aoneright.png")
+	ImageResource selectedRight();
+	
+	/**
+	 * @return
+	 */
+	@Source("icons/amoreleft.png")
+	ImageResource allLeft();
+	
+	/**
+	 * @return
+	 */
+	@Source("icons/amoreright.png")
+	ImageResource allRight();
+	
 	/**
 	 * @return
 	 */
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/resources/Resources.java b/src/main/java/org/gcube/portlets/user/workspace/client/resources/Resources.java
index d16c0cc..0660d5d 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/resources/Resources.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/resources/Resources.java
@@ -503,6 +503,22 @@ public class Resources {
 	public static AbstractImagePrototype getIconReadOnly() {
 		return AbstractImagePrototype.create(ICONS.readonly());
 	}
+	
+	public static AbstractImagePrototype getAllLeft() {
+		return AbstractImagePrototype.create(ICONS.allLeft());
+	}
+	
+	public static AbstractImagePrototype getAllRight() {
+		return AbstractImagePrototype.create(ICONS.allRight());
+	}
+	
+	public static AbstractImagePrototype getSelectedLeft() {
+		return AbstractImagePrototype.create(ICONS.selectedLeft());
+	}
+	
+	public static AbstractImagePrototype getSelectedRight() {
+		return AbstractImagePrototype.create(ICONS.selectedRight());
+	}
 
 	//ImageResources
 	public static ImageResource getImagePathSeparator(){
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/amoreleft.png b/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/amoreleft.png
new file mode 100644
index 0000000..805f764
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diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/amoreright.png b/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/amoreright.png
new file mode 100644
index 0000000..545211d
Binary files /dev/null and b/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/amoreright.png differ
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/aoneleft.png b/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/aoneleft.png
new file mode 100644
index 0000000..b8bb739
Binary files /dev/null and b/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/aoneleft.png differ
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/aoneright.png b/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/aoneright.png
new file mode 100644
index 0000000..1732ebf
Binary files /dev/null and b/src/main/java/org/gcube/portlets/user/workspace/client/resources/icons/aoneright.png differ