implemented mention in comments almost complete

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/portlets/user/news-feed@94652 82a268e6-3cf1-43bd-a215-b396298e98cf

.settings/.jsdtscope

@@ -1,15 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-  <classpathentry kind="src" path="src/main/webapp" />
+	<classpathentry excluding="js/jquery.autosize.js|js/jquery.min.js" kind="src" path="src/main/webapp"/>
-  <classpathentry kind="con"
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.JRE_CONTAINER"/>
-    path="org.eclipse.wst.jsdt.launching.JRE_CONTAINER" />
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.WebProject">
-  <classpathentry kind="con"
+		<attributes>
-    path="org.eclipse.wst.jsdt.launching.WebProject">
+			<attribute name="hide" value="true"/>
-    <attributes>
+		</attributes>
-      <attribute name="hide" value="true" />
+	</classpathentry>
-    </attributes>
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.baseBrowserLibrary"/>
-  </classpathentry>
+	<classpathentry kind="output" path=""/>
-  <classpathentry kind="con"
-    path="org.eclipse.wst.jsdt.launching.baseBrowserLibrary" />
-  <classpathentry kind="output" path="" />
 </classpath>

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

@@ -4,6 +4,9 @@
     <wb-resource deploy-path="/" source-path="/src/main/webapp" tag="defaultRootSource"/>
     <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/target/generated-sources/gwt"/>
+        <dependent-module archiveName="pickuser-widget-0.4.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/pickuser-widget/pickuser-widget">
+            <dependency-type>uses</dependency-type>
+        </dependent-module>
     <property name="java-output-path" value="/${module}/target/www/WEB-INF/classes"/>
         <property name="context-root" value="news-feed"/>
   </wb-module>

.settings/org.eclipse.wst.jsdt.ui.superType.container

@@ -1 +1 @@
-org.eclipse.wst.jsdt.launching.baseBrowserLibrary
+org.eclipse.wst.jsdt.launching.JRE_CONTAINER

.settings/org.eclipse.wst.jsdt.ui.superType.name

@@ -0,0 +1 @@
+Global

pom.xml

@@ -81,6 +81,11 @@
 			<artifactId>session-checker</artifactId>
 			<version>[0.2.0-SNAPSHOT, 1.0.0-SNAPSHOT)</version>
 		</dependency>
+		<dependency>
+			<groupId>org.gcube.portlets.widgets</groupId>
+			<artifactId>pickuser-widget</artifactId>
+			<version>[0.4.0-SNAPSHOT, 1.0.0-SNAPSHOT)</version>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.applicationsupportlayer</groupId>
 			<artifactId>aslsocial</artifactId>

src/main/java/org/gcube/portlets/user/newsfeed/client/NewsService.java

@@ -8,6 +8,7 @@ import org.gcube.portal.databook.shared.UserInfo;
 import org.gcube.portlets.user.newsfeed.shared.EnhancedFeed;
 import org.gcube.portlets.user.newsfeed.shared.MoreFeedsBean;
 import org.gcube.portlets.user.newsfeed.shared.UserSettings;
+import org.gcube.portlets.widgets.pickuser.shared.PickingUser;
 
 import com.google.gwt.user.client.rpc.RemoteService;
 import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;
@@ -46,4 +47,6 @@ public interface NewsService extends RemoteService {
 	UserSettings getUserSettings();
 	
 	EnhancedFeed getSingleFeed(String feedKey);
+	
+	ArrayList<PickingUser> getOrganizationUsers(String currentScope);
 }

src/main/java/org/gcube/portlets/user/newsfeed/client/NewsServiceAsync.java

@@ -7,6 +7,7 @@ import org.gcube.portal.databook.shared.Like;
 import org.gcube.portlets.user.newsfeed.shared.EnhancedFeed;
 import org.gcube.portlets.user.newsfeed.shared.MoreFeedsBean;
 import org.gcube.portlets.user.newsfeed.shared.UserSettings;
+import org.gcube.portlets.widgets.pickuser.shared.PickingUser;
 
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
@@ -54,4 +55,7 @@ public interface NewsServiceAsync {
 	void unlike(String feedid, String feedText, String feedOwnerId,
 			AsyncCallback<Boolean> callback);
 
+	void getOrganizationUsers(String currentScope,
+			AsyncCallback<ArrayList<PickingUser>> callback);
+	
 }

src/main/java/org/gcube/portlets/user/newsfeed/client/panels/NewsFeedPanel.java

@@ -79,7 +79,10 @@ import com.google.gwt.user.client.ui.Widget;
  *
  */
 public class NewsFeedPanel extends Composite {
-
+	/**
+	 * the current scope on the client can be static
+	 */
+	private static String currentScope;
 	/**
 	 * Create a remote service proxy to talk to the server-side News service.
 	 */
@@ -107,7 +110,7 @@ public class NewsFeedPanel extends Composite {
 	public static final String MESSAGE_LABEL =  "Message";
 
 	private String vreLabel;
-	private String currentScope;
+	
 	private boolean showFeedTimelineSource = false;
 	private boolean isInfrastructure = false;
 
@@ -224,7 +227,6 @@ public class NewsFeedPanel extends Composite {
 		});  
 	}
 
-
 	/**
 	 * 
 	 */
@@ -937,5 +939,11 @@ public class NewsFeedPanel extends Composite {
 	public void setCurrentFilter(FilterType currentFilter) {
 		this.currentFilter = currentFilter;
 	}
-
+	/**
+	 * 
+	 * @return the current scope on the client
+	 */
+	public static String getCurrentScope() {
+		return currentScope;
+	}
 }

src/main/java/org/gcube/portlets/user/newsfeed/client/templates/AddCommentTemplate.java

@@ -1,19 +1,29 @@
 package org.gcube.portlets.user.newsfeed.client.templates;
 
+import java.util.ArrayList;
+
 import org.gcube.portal.databook.shared.Comment;
 import org.gcube.portal.databook.shared.UserInfo;
+import org.gcube.portlets.user.newsfeed.client.NewsService;
+import org.gcube.portlets.user.newsfeed.client.NewsServiceAsync;
 import org.gcube.portlets.user.newsfeed.client.event.AddCommentEvent;
 import org.gcube.portlets.user.newsfeed.client.event.EditCommentEvent;
+import org.gcube.portlets.user.newsfeed.client.panels.NewsFeedPanel;
+import org.gcube.portlets.widgets.pickuser.client.dialog.PickUsersDialog;
+import org.gcube.portlets.widgets.pickuser.shared.PickingUser;
 
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.KeyPressEvent;
+import com.google.gwt.event.dom.client.KeyUpEvent;
+import com.google.gwt.event.dom.client.KeyUpHandler;
 import com.google.gwt.event.shared.HandlerManager;
 import com.google.gwt.uibinder.client.UiBinder;
 import com.google.gwt.uibinder.client.UiField;
 import com.google.gwt.uibinder.client.UiHandler;
 import com.google.gwt.user.client.Event;
 import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwt.user.client.ui.Button;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.HTML;
@@ -22,22 +32,34 @@ import com.google.gwt.user.client.ui.Image;
 import com.google.gwt.user.client.ui.TextArea;
 import com.google.gwt.user.client.ui.Widget;
 
-public class AddCommentTemplate extends Composite{
+public class AddCommentTemplate extends Composite {
 
-	private static CommentTemplateUiBinder uiBinder = GWT
+	interface CommentTemplateUiBinder extends UiBinder<Widget, AddCommentTemplate> {
-			.create(CommentTemplateUiBinder.class);
+	}
 
-	private final static String COMMENT_TEXT = "Add a comment ...";
+	private static CommentTemplateUiBinder uiBinder = GWT.create(CommentTemplateUiBinder.class);
+
+
+	private final static String COMMENT_TEXT = "Add a comment ... use @ to mention someone";
 	private final static String ERROR_UPDATE_TEXT = "Looks like empty to me!";
 	public static final String avatar_default = GWT.getModuleBaseURL() + "../images/Avatar_default.png";
+
+	private final static int TEXT_AREA_WIDTH = 450;
+	private final static int TEXT_AREA_HEIGHT = 40;
+
 	private TweetTemplate owner;
 	private HandlerManager eventBus;
 	private boolean isEditing = false;
 	private HTMLPanel commentPanel;
 	private Comment toEdit;
 
-	interface CommentTemplateUiBinder extends UiBinder<Widget, AddCommentTemplate> {
+	@UiField HTMLPanel mainPanel;
-	}
+	@UiField Image avatarImage;
+	@UiField SuperPosedTextArea commentTextArea;
+	@UiField Button submitButton;
+	@UiField Button cancelButton;
+
+
 	/**
 	 * called on add comment
 	 * @param caller
@@ -50,7 +72,7 @@ public class AddCommentTemplate extends Composite{
 		owner = caller;
 		avatarImage.setPixelSize(30, 30);
 		avatarImage.setUrl(myUserInfo.getAvatarId());	
-		commentTextArea.setPixelSize(450, 26);
+		//commentTextArea.setPixelSize(TEXT_AREA_WIDTH, TEXT_AREA_HEIGHT);
 		commentTextArea.setText(COMMENT_TEXT);
 	}
 	/**
@@ -67,38 +89,18 @@ public class AddCommentTemplate extends Composite{
 		owner = caller;
 		avatarImage.setPixelSize(30, 30);
 		avatarImage.setUrl(caller.getMyUserInfo().getAvatarId());	
-		commentTextArea.setPixelSize(450, 26);
+		//commentTextArea.setPixelSize(TEXT_AREA_WIDTH, TEXT_AREA_HEIGHT);
 		commentTextArea.setText(new HTML(toEdit.getText()).getText());
 		mainPanel.removeStyleName("comment-hidden");
 		mainPanel.setStyleName("single-comment");
-		commentTextArea.addStyleName("dark-color");
+		commentTextArea.addStyleName("comment-dark-color");
 	}
 
-	@UiField HTMLPanel mainPanel;
-	@UiField Image avatarImage;
-	@UiField TextArea commentTextArea;
-	@UiField Button submitButton;
-	@UiField Button cancelButton;
 
 	public void setFocus() {
 		commentTextArea.setFocus(true);
 	}
 
-	/**
-	 * paste event overridden
-	 */
-	public void onBrowserEvent(Event event) {
-		super.onBrowserEvent(event);
-		switch (event.getTypeInt()) {
-		case Event.ONPASTE: 
-			if (commentTextArea.getText().equals(COMMENT_TEXT) || commentTextArea.getText().equals(ERROR_UPDATE_TEXT) ) {
-				commentTextArea.setText("");
-				commentTextArea.addStyleName("dark-color");
-				commentTextArea.removeStyleName("error");
-			}
-		}
-	}
-
 	@UiHandler("submitButton")
 	void onSubmitClick(ClickEvent e) {
 		String userComment = commentTextArea.getText().trim();
@@ -155,7 +157,7 @@ public class AddCommentTemplate extends Composite{
 	void onCommentClick(ClickEvent e) {
 		if (commentTextArea.getText().equals(COMMENT_TEXT) || commentTextArea.getText().equals(ERROR_UPDATE_TEXT) ) {
 			commentTextArea.setText("");
-			commentTextArea.addStyleName("dark-color");
+			commentTextArea.addStyleName("comment-dark-color");
 			commentTextArea.removeStyleName("error");
 		}
 	}
@@ -164,7 +166,7 @@ public class AddCommentTemplate extends Composite{
 	void onCommentKeyPress(KeyPressEvent e) {
 		if (commentTextArea.getText().equals(COMMENT_TEXT) || commentTextArea.getText().equals(ERROR_UPDATE_TEXT) ) {
 			commentTextArea.setText("");
-			commentTextArea.addStyleName("dark-color");
+			commentTextArea.addStyleName("comment-dark-color");
 			commentTextArea.removeStyleName("error");
 		}
 	}

src/main/java/org/gcube/portlets/user/newsfeed/client/templates/AddCommentTemplate.ui.xml

@@ -1,12 +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:g="urn:import:com.google.gwt.user.client.ui"
+	xmlns:m="urn:import:org.gcube.portlets.user.newsfeed.client.templates">
 	<ui:style>
 		.important {
 			font-weight: bold;
 		}
 	</ui:style>
-	<g:HTMLPanel styleName="comment-hidden"  ui:field="mainPanel">
+	<g:HTMLPanel styleName="comment-hidden" ui:field="mainPanel">
 		<table class="">
 			<tr>
 				<td width="30px;" align="middle">
@@ -16,9 +17,18 @@
 				</td>
 
 				<td>
-					<div class="commentContainer">
+					<div id="comment-supercontainer">
-						<g:TextArea styleName="post-comment" ui:field="commentTextArea" />
+						<div id="comment-highlighterContainer">
+							<div id="comment-highlighter">
+							</div>
+						</div>
+						<div id="comment-inputContainer">
+							<m:SuperPosedTextArea styleName="post-comment" ui:field="commentTextArea" />
+						</div>
 					</div>
+<!-- 					<div class="commentContainer"> -->
+<!-- 						<g:TextArea styleName="post-comment" ui:field="commentTextArea" /> -->
+<!-- 					</div> -->
 				</td>
 			</tr>
 			<tr>

src/main/java/org/gcube/portlets/user/newsfeed/client/templates/SuperPosedTextArea.java

@@ -0,0 +1,196 @@
+/**
+ * 
+ */
+package org.gcube.portlets.user.newsfeed.client.templates;
+
+import java.util.ArrayList;
+
+import org.gcube.portlets.user.newsfeed.client.NewsService;
+import org.gcube.portlets.user.newsfeed.client.NewsServiceAsync;
+import org.gcube.portlets.user.newsfeed.client.panels.NewsFeedPanel;
+import org.gcube.portlets.widgets.pickuser.client.dialog.PickUsersDialog;
+import org.gcube.portlets.widgets.pickuser.client.events.PickedUserEvent;
+import org.gcube.portlets.widgets.pickuser.client.events.PickedUserEventHandler;
+import org.gcube.portlets.widgets.pickuser.shared.PickingUser;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Element;
+import com.google.gwt.event.dom.client.KeyCodes;
+import com.google.gwt.event.shared.HandlerManager;
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.Event;
+import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.TextArea;
+
+/**
+ * @author massi
+ *
+ */
+public class SuperPosedTextArea extends TextArea {
+
+	private final NewsServiceAsync newsService = GWT.create(NewsService.class);
+
+	private final HandlerManager eventBus = new HandlerManager(null);
+	private final static String COMMENT_TEXT = "Add a comment ... use @ to mention someone";
+	private final static String ERROR_UPDATE_TEXT = "Looks like empty to me!";
+
+	PickUsersDialog pickUserDlg;
+	public final static int ARROW_UP = 38; 
+	public final static int ARROW_DOWN = 40; 
+
+	private ArrayList<String> mentionedUsers = new ArrayList<String>();
+
+	/**
+	 * 
+	 */
+	public SuperPosedTextArea() {
+		sinkEvents(Event.ONPASTE);
+		sinkEvents(Event.ONKEYUP);
+		sinkEvents(Event.ONCONTEXTMENU);
+		sinkEvents(Event.ONKEYDOWN);
+
+		newsService.getOrganizationUsers(NewsFeedPanel.getCurrentScope(), new AsyncCallback<ArrayList<PickingUser>>() {
+
+			@Override
+			public void onSuccess(ArrayList<PickingUser> users) {
+				pickUserDlg = new PickUsersDialog(users, eventBus, 450);				
+			}
+
+			@Override
+			public void onFailure(Throwable caught) {				
+			}
+		});
+		DOM.setElementAttribute(getElement(), "id", "postTextArea"); 
+		bind();
+		Timer t = new Timer() {
+			@Override
+			public void run() {
+				myAutoSize();		
+			}
+		};
+		t.schedule(1000);
+	}
+	public static native void myAutoSize() /*-{
+ 		function autoSizeArea() { 			
+		 	$wnd.jQuery('#postTextArea').autosize();
+		}
+		autoSizeArea();
+	}-*/;
+	/**
+	 * @param element
+	 */
+	public SuperPosedTextArea(Element element) {
+		super(element);
+	}
+
+	/**
+	 * paste event overridden
+	 */
+	public void onBrowserEvent(Event event) {
+		super.onBrowserEvent(event);
+		switch (event.getTypeInt()) {
+		case Event.ONPASTE: {
+			if (getText().equals(COMMENT_TEXT) || getText().equals(ERROR_UPDATE_TEXT) ) {
+				setText("");
+				addStyleName("dark-color");
+				removeStyleName("error");
+			}
+			break;
+		}
+		case Event.ONKEYUP: {
+			injectInDiv(getText());
+			pickUserDlg.onKeyUp(event.getKeyCode(), this.getAbsoluteLeft(), this.getAbsoluteTop()+45, getText());				
+			break;
+		}
+		case Event.ONCONTEXTMENU: {
+			removeSampleText();
+			break;
+		}
+		case Event.ONKEYDOWN: {
+			if (pickUserDlg.isShowing()) {
+				//avoid the arrow up to move the cursor at the beginning of the textbox and the TAB to move around inputs and enter to go newline
+				if (event.getKeyCode() == ARROW_UP || event.getKeyCode() == KeyCodes.KEY_TAB || event.getKeyCode() ==  KeyCodes.KEY_ENTER) {
+					DOM.eventCancelBubble(event, true);
+					DOM.eventPreventDefault(event);
+					return;
+				}
+			}
+			break;
+		}
+		}
+	}
+	protected void removeSampleText() {
+		if (getText().equals(COMMENT_TEXT) || getText().equals(ERROR_UPDATE_TEXT) ) {
+			setText("");
+			addStyleName("darker-color");
+			removeStyleName("error");
+		}
+	}
+	protected void cleanHighlighterDiv() {
+		DOM.getElementById("comment-highlighter").setInnerHTML("");
+	}
+	private void injectInDiv(String textAreaText) {
+		String text;
+		// parse the text:
+		// replace all the line braks by <br/>, and all the double spaces by the html version &nbsp;
+		text = textAreaText.replaceAll("(\r\n|\n)","<br />");
+		text = text.replaceAll("\\s\\s","&nbsp;&nbsp;");
+
+		for (String mentionedUser : mentionedUsers) {
+			text = text.replaceAll(mentionedUser,"<span class=\"highlightedUser\">"+mentionedUser+"</span>");
+		}
+		// re-inject the processed text into the div
+		DOM.getElementById("comment-highlighter").setInnerHTML(text);
+	}
+
+	/**
+	 * events binder
+	 */
+	private void bind() {
+		eventBus.addHandler(PickedUserEvent.TYPE, new PickedUserEventHandler() {
+			@Override
+			public void onSelectedUser(PickedUserEvent event) {
+
+				String toAdd = event.getSelectedUser().getFullName();
+				mentionedUsers.add(toAdd);
+
+				String[] toSplit = getText().split("@"); //get the preceeding part	
+
+				setText(toSplit[0]+toAdd);
+				Element highDiv = DOM.getElementById("comment-highlighter");
+
+				String[] htmlToSplit = highDiv.getInnerHTML().split("@"); //get the preceeding part	
+				String highLightedUser = "<span class=\"highlightedUser\">"+toAdd+"</span>";
+				highDiv.setInnerHTML(htmlToSplit[0]+highLightedUser);
+			}			
+		});  
+	}
+
+	public ArrayList<String> getMentionedUsers() {
+		ArrayList<String> toReturn = new ArrayList<String>();
+		for (String mentionedUser : mentionedUsers) {
+			if (getText().contains(mentionedUser))
+				toReturn.add(mentionedUser);
+		}
+		GWT.log(toReturn.toString());
+		return mentionedUsers;
+	}
+
+
+
+
+	/*
+	 * 
+	 * <script>
+		$(document).ready(function(){ 
+		    setTimeout(function(){ 
+		        $('.postTextArea').autosize();
+		    }, 3000); 
+		});
+		</script>
+	 * 
+	 * 
+	 */
+
+}

src/main/java/org/gcube/portlets/user/newsfeed/server/NewsServiceImpl.java

@@ -40,6 +40,7 @@ import org.gcube.portlets.user.newsfeed.shared.EnhancedFeed;
 import org.gcube.portlets.user.newsfeed.shared.MoreFeedsBean;
 import org.gcube.portlets.user.newsfeed.shared.NewsConstants;
 import org.gcube.portlets.user.newsfeed.shared.UserSettings;
+import org.gcube.portlets.widgets.pickuser.shared.PickingUser;
 import org.gcube.vomanagement.usermanagement.GroupManager;
 import org.gcube.vomanagement.usermanagement.impl.liferay.LiferayGroupManager;
 import org.slf4j.Logger;
@@ -111,7 +112,7 @@ public class NewsServiceImpl extends RemoteServiceServlet implements NewsService
 	}
 	public String getDevelopmentUser() {
 		String user = "test.user";
-		//user = "massimiliano.assante";
+		user = "massimiliano.assante";
 		return user;
 	}
 	/**
@@ -680,6 +681,12 @@ public class NewsServiceImpl extends RemoteServiceServlet implements NewsService
 			return false;
 		} 
 	}
+	@Override
+	public ArrayList<PickingUser> getOrganizationUsers(String currentScope) {
+		ArrayList<PickingUser> toReturn = UsersUtil.getOrganizationUsers(currentScope, getASLSession().getUsername(), withinPortal);
+		_log.trace("Returning " + toReturn.size() + " users for scope " + currentScope);
+		return toReturn;
+	}
 
 	private UserSettings getUserSettingsFromSession() {
 		try {
@@ -861,4 +868,6 @@ public class NewsServiceImpl extends RemoteServiceServlet implements NewsService
 	}
 
 	
+
+
 }

src/main/java/org/gcube/portlets/user/newsfeed/server/UsersUtil.java

@@ -0,0 +1,75 @@
+package org.gcube.portlets.user.newsfeed.server;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.gcube.common.scope.impl.ScopeBean;
+import org.gcube.common.scope.impl.ScopeBean.Type;
+import org.gcube.portal.custom.communitymanager.OrganizationsUtil;
+import org.gcube.portlets.widgets.pickuser.shared.PickingUser;
+import org.gcube.vomanagement.usermanagement.GroupManager;
+import org.gcube.vomanagement.usermanagement.UserManager;
+import org.gcube.vomanagement.usermanagement.impl.liferay.LiferayGroupManager;
+import org.gcube.vomanagement.usermanagement.impl.liferay.LiferayUserManager;
+import org.gcube.vomanagement.usermanagement.model.UserModel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.liferay.portal.service.UserLocalServiceUtil;
+
+public class UsersUtil {
+	private static final Logger _log = LoggerFactory.getLogger(UsersUtil.class);
+	/**
+	 * 
+	 * @param session the Asl Session
+	 * @param withinPortal true when is on Liferay portal
+	 * @return the users belonging to the current organization (scope)
+	 */
+	public static ArrayList<PickingUser> getOrganizationUsers(String scope, String currUser, boolean withinPortal) {
+		ArrayList<PickingUser> portalUsers = new ArrayList<PickingUser>();
+		try {
+			if (withinPortal) {
+				UserManager um = new LiferayUserManager();
+				GroupManager gm = new LiferayGroupManager();
+				ScopeBean sb = new ScopeBean(scope);
+				List<UserModel> users = null;
+				
+				if (sb.is(Type.INFRASTRUCTURE)) 
+					users = um.listUsersByGroup(gm.getRootVO().getGroupId());
+				else if (sb.is(Type.VRE)) { //must be in VRE
+					//get the name from the scope
+					String orgName = scope.substring(scope.lastIndexOf("/")+1, scope.length());
+					//ask the users
+					users = um.listUsersByGroup(gm.getGroupId(orgName));
+				}
+				else {
+					_log.error("Error, you must be in SCOPE VRE OR INFRASTURCTURE, you are in VO SCOPE returning no users");
+					return portalUsers;
+				}				
+				for (UserModel user : users) {
+					if (user.getScreenName().compareTo("test.user") != 0 && user.getScreenName().compareTo(currUser) != 0)  { //skip test.user & current user
+						String thumbnailURL = "";
+						com.liferay.portal.model.UserModel lifeUser = UserLocalServiceUtil.getUserByScreenName(OrganizationsUtil.getCompany().getCompanyId(), user.getScreenName());
+						thumbnailURL = "/image/user_male_portrait?img_id="+lifeUser.getPortraitId();
+						portalUsers.add(new PickingUser(user.getUserId(), user.getScreenName(), user.getFullname(), thumbnailURL));
+					}
+				}
+			}
+			else { //test users
+				portalUsers.add(new PickingUser("12111", "massimiliano.assante", "Test User #1", ""));
+				portalUsers.add(new PickingUser("14111", "massimiliano.assante", "Test Second User #2", ""));
+				portalUsers.add(new PickingUser("11511", "massimiliano.assante", "Test Third User", ""));
+				portalUsers.add(new PickingUser("11611", "massimiliano.assante", "Test Fourth User", ""));
+				portalUsers.add(new PickingUser("11711", "massimiliano.assante", "Test Fifth User", ""));
+				portalUsers.add(new PickingUser("11811", "massimiliano.assante", "Test Sixth User", ""));
+				portalUsers.add(new PickingUser("15811", "massimiliano.assante", "Ninth Testing User", ""));
+				portalUsers.add(new PickingUser("15811", "massimiliano.assante", "Eighth Testing User", ""));
+				portalUsers.add(new PickingUser("11211", "giogio.giorgi", "Seventh Test User", ""));
+				portalUsers.add(new PickingUser("2222", "pino.pinetti", "Tenth Testing User", ""));
+			}
+		} catch (Exception e) {
+			_log.error("Error in server get all contacts ", e);
+		}
+		return portalUsers;
+	}
+}

src/main/resources/org/gcube/portlets/user/newsfeed/NewsFeed.gwt.xml

@@ -4,7 +4,7 @@
 	<inherits name='com.google.gwt.user.User' />
 
 	<!-- To Comment out -->
-<!-- 	<set-property name="user.agent" value="safari,gecko1_8,ie9" /> -->
+	<set-property name="user.agent" value="safari,gecko1_8,ie9" />
 
 	<!-- Other module inherits -->
 	<inherits name="net.eliasbalasis.tibcopagebus4gwt.tibcopagebus4gwt" />
@@ -16,6 +16,7 @@
 	<inherits name='org.gcube.portlets.widgets.wsmail.WsMail_Widget' />
 	<inherits name='org.gcube.portlets.widgets.userselection.UserSelection' />
 	<inherits name='org.gcube.portlets.widgets.sessionchecker.SessionChecker' />
+	<inherits name='org.gcube.portlets.widgets.pickuser.PickUser' />
 	<inherits
 		name='org.gcube.portlets.widgets.lighttree.WorkspacePortletLightTree' />
 	<inherits name='org.gcube.portal.databook.GCubeSocialNetworking' />

src/main/webapp/NewsFeed.css

@@ -5,6 +5,69 @@ table {
 	border-spacing: 0;
 }
 
+
+/* Superpose TextArea and Highlight DIV trick starts here */
+#comment-supercontainer {
+	position: relative;
+	background-color: #FFFFFF;
+}
+
+#comment-highlighterContainer {
+	position: absolute;
+	left: 0;
+	top: 0;
+	cursor: text;
+	width: 525px;
+	height: 54px;
+}
+
+#comment-inputContainer {
+	position: relative;
+}
+
+#comment-highlighter {
+	padding: 4px 2px;
+	color: #ffffff;
+	background-color: #FFF;
+	margin-top: 0;
+	font-family: 'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial,
+		sans-serif;
+	font-size: 11px;
+	letter-spacing: normal;
+	line-height: normal;
+	
+	border: 1px solid transparent;
+	
+	width: 450px;
+	min-height: 40px;
+	
+	word-wrap: break-word; /* this is very important when usere paste long links*/
+}
+
+.post-comment {
+	padding: 4px 2px;
+	color: #999;
+	background-color: transparent;
+	
+	margin-top: 0px;
+	font-family: 'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial,
+		sans-serif;
+	font-size: 11px;
+	letter-spacing: normal;
+	line-height: normal;
+
+	border: 1px solid #999;
+	
+	width: 450px;
+	min-height: 40px;
+}
+
+.highlightedUser {
+	background-color: #D8DFEA !important;
+}
+
+/* DIV trick ends here */
+
 .framed {
 	margin: 0 0 10px;
 	padding: 10px;
@@ -300,20 +363,6 @@ table {
 	white-space: nowrap;
 }
 
-.post-comment {
-	height: 30px;
-	width: 99%;
-	color: #999;
-	font-family: 'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial,
-		sans-serif;
-	font-size: 11px;
-	padding: 4px 2px;
-	border-color: #999;
-	border-width: 1px;
-	letter-spacing: normal;
-	margin-top: 5px;
-}
-
 a.seemore,a.seemore:visited {
 	font-family: 'Lucida Grande', Verdana, 'Bitstream Vera Sans', Arial,
 		sans-serif;
@@ -520,9 +569,9 @@ a.link:hover {
 	-webkit-transition: background .45s ease-in-out;
 }
 
-.dark-color {
+.comment-dark-color {
 	color: #333;
-	background-color: #FFF;
+	background-color: transparent;
 	transition: background .25s ease-in-out;
 	-moz-transition: background .25s ease-in-out;
 	-webkit-transition: background .25s ease-in-out;

src/main/webapp/NewsFeed.html

@@ -17,6 +17,13 @@
 <!-- Any title is fine                         -->
 <!--                                           -->
 <title>News Feed</title>
+
+<script src='js/jquery.min.js'></script>
+<script src='js/jquery.autosize.js'></script>
+
+
+</head>
+
 <script src="js/pagebus.js"></script>
 <script type="text/javascript">
      if(window.parent.PageBus) {

src/main/webapp/js/jquery.autosize.js

@@ -0,0 +1,187 @@
+/*!
+	jQuery Autosize v1.16.12
+	(c) 2013 Jack Moore - jacklmoore.com
+	updated: 2013-05-31
+	license: http://www.opensource.org/licenses/mit-license.php
+*/
+
+(function ($) {
+	var
+	defaults = {
+		className: 'autosizejs',
+		append: '',
+		callback: false
+	},
+	hidden = 'hidden',
+	borderBox = 'border-box',
+	lineHeight = 'lineHeight',
+
+	// border:0 is unnecessary, but avoids a bug in FireFox on OSX
+	copy = '<textarea tabindex="-1" style="position:absolute; top:-999px; left:0; right:auto; bottom:auto; border:0; -moz-box-sizing:content-box; -webkit-box-sizing:content-box; box-sizing:content-box; word-wrap:break-word; height:0 !important; min-height:0 !important; overflow:hidden;"/>',
+
+	// line-height is conditionally included because IE7/IE8/old Opera do not return the correct value.
+	copyStyle = [
+		'fontFamily',
+		'fontSize',
+		'fontWeight',
+		'fontStyle',
+		'letterSpacing',
+		'textTransform',
+		'wordSpacing',
+		'textIndent'
+	],
+	oninput = 'oninput',
+	onpropertychange = 'onpropertychange',
+
+	// to keep track which textarea is being mirrored when adjust() is called.
+	mirrored,
+
+	// the mirror element, which is used to calculate what size the mirrored element should be.
+	mirror = $(copy).data('autosize', true)[0];
+
+	// test that line-height can be accurately copied.
+	mirror.style.lineHeight = '99px';
+	if ($(mirror).css(lineHeight) === '99px') {
+		copyStyle.push(lineHeight);
+	}
+	mirror.style.lineHeight = '';
+
+	$.fn.autosize = function (options) {
+		options = $.extend({}, defaults, options || {});
+
+		if (mirror.parentNode !== document.body) {
+			$(document.body).append(mirror);
+		}
+
+		return this.each(function () {
+			var
+			ta = this,
+			$ta = $(ta),
+			minHeight,
+			maxHeight,
+			resize,
+			boxOffset = 0,
+			callback = $.isFunction(options.callback);
+
+			if ($ta.data('autosize')) {
+				// exit if autosize has already been applied, or if the textarea is the mirror element.
+				return;
+			}
+
+			if ($ta.css('box-sizing') === borderBox || $ta.css('-moz-box-sizing') === borderBox || $ta.css('-webkit-box-sizing') === borderBox){
+				boxOffset = $ta.outerHeight() - $ta.height();
+			}
+
+			// IE8 and lower return 'auto', which parses to NaN, if no min-height is set.
+			minHeight = Math.max(parseInt($ta.css('minHeight'), 10) - boxOffset || 0, $ta.height());
+
+			resize = ($ta.css('resize') === 'none' || $ta.css('resize') === 'vertical') ? 'none' : 'horizontal';
+
+			$ta.css({
+				overflow: hidden,
+				overflowY: hidden,
+				wordWrap: 'break-word',
+				resize: resize
+			}).data('autosize', true);
+
+			function initMirror() {
+				mirrored = ta;
+				mirror.className = options.className;
+				maxHeight = parseInt($ta.css('maxHeight'), 10);
+
+				// mirror is a duplicate textarea located off-screen that
+				// is automatically updated to contain the same text as the
+				// original textarea.  mirror always has a height of 0.
+				// This gives a cross-browser supported way getting the actual
+				// height of the text, through the scrollTop property.
+				$.each(copyStyle, function(i, val){
+					mirror.style[val] = $ta.css(val);
+				});
+
+				// The textarea overflow is probably now hidden, but Chrome doesn't reflow the text to account for the
+				// new space made available by removing the scrollbars. This workaround causes Chrome to reflow the text.
+				if (oninput in ta) {
+					var value = ta.value;
+					ta.value = '';
+					ta.value = value;
+				}
+			}
+
+			// Using mainly bare JS in this function because it is going
+			// to fire very often while typing, and needs to very efficient.
+			function adjust() {
+				var height, overflow, original;
+
+				if (mirrored !== ta) {
+					initMirror();
+				}
+
+				mirror.value = ta.value + options.append;
+				mirror.style.overflowY = ta.style.overflowY;
+				original = parseInt(ta.style.height,10);
+
+				// Update the width in case the original textarea width has changed
+				// A floor of 0 is needed because IE8 returns a negative value for hidden textareas, raising an error.
+				mirror.style.width = Math.max($ta.width(), 0) + 'px';
+
+				// Needed for IE8 and lower to reliably return the correct scrollTop
+				mirror.scrollTop = 0;
+
+				mirror.scrollTop = 9e4;
+
+				// Using scrollTop rather than scrollHeight because scrollHeight is non-standard and includes padding.
+				height = mirror.scrollTop;
+
+				if (maxHeight && height > maxHeight) {
+					height = maxHeight;
+					overflow = 'scroll';
+				} else if (height < minHeight) {
+					height = minHeight;
+				}
+
+				height += boxOffset;
+				ta.style.overflowY = overflow || hidden;
+
+				if (original !== height) {						
+					ta.style.height = height + 'px';
+					if (callback) {
+						options.callback.call(ta,ta);
+					}
+				}
+			}
+
+			if (onpropertychange in ta) {
+				if (oninput in ta) {
+					// Detects IE9.  IE9 does not fire onpropertychange or oninput for deletions,
+					// so binding to onkeyup to catch most of those occassions.  There is no way that I
+					// know of to detect something like 'cut' in IE9.
+					ta[oninput] = ta.onkeyup = adjust;
+				} else {
+					// IE7 / IE8
+					ta[onpropertychange] = function(){
+						if(event.propertyName === 'value'){
+							adjust();
+						}
+					};
+				}
+			} else {
+				// Modern Browsers
+				ta[oninput] = adjust;
+			}
+
+			$(window).on('resize', function(){
+				active = false;
+				adjust();
+			});
+
+			// Allow for manual triggering if needed.
+			$ta.on('autosize', function(){
+				active = false;
+				adjust();
+			});
+
+			// Call adjust in case the textarea already contains text.
+			adjust();
+		});
+	};
+}(window.jQuery || window.Zepto));