Index: lams_tool_larsrc/conf/language/ApplicationResources.properties
===================================================================
diff -u -r4cf31b82e939a11c1f054a96ff07a650300b289f -r229b7cbba0b3121880c4dc69818e46d6589fd31e
--- lams_tool_larsrc/conf/language/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision 4cf31b82e939a11c1f054a96ff07a650300b289f)
+++ lams_tool_larsrc/conf/language/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision 229b7cbba0b3121880c4dc69818e46d6589fd31e)
@@ -126,6 +126,7 @@
 monitoring.label.show=Show
 monitoring.label.user.loginname=Login name
 monitoring.label.user.name=Name
+monitoring.label.hidden=Hidden
 
 message.monitoring.edit.activity.not.editable=This Activity is no longer editable
 #------------------------------End Monitoring ----------------------------------#
Index: lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/service/IResourceService.java
===================================================================
diff -u -r6f9ce8030c9939df344a3aa7f5894116491a90d8 -r229b7cbba0b3121880c4dc69818e46d6589fd31e
--- lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/service/IResourceService.java	(.../IResourceService.java)	(revision 6f9ce8030c9939df344a3aa7f5894116491a90d8)
+++ lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/service/IResourceService.java	(.../IResourceService.java)	(revision 229b7cbba0b3121880c4dc69818e46d6589fd31e)
@@ -109,8 +109,15 @@
 	 */
 	void setItemVisible(Long itemUid, boolean visible);
 
-	
-	public List<Summary> exportBySessionId(Long sessionId);
+	/**
+	 * Get resource item <code>Summary</code> list according to sessionId and skipHide flag.
+	 *  
+	 * @param sessionId
+	 * @param skipHide true, don't get resource item if its <code>isHide</code> flag is true.
+	 * 				  Otherwise, get all resource item  
+	 * @return
+	 */
+	public List<Summary> exportBySessionId(Long sessionId, boolean skipHide);
 	public List<List> exportByContentId(Long contentId); 
 }
 
Index: lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/service/ResourceServiceImpl.java
===================================================================
diff -u -r6f9ce8030c9939df344a3aa7f5894116491a90d8 -r229b7cbba0b3121880c4dc69818e46d6589fd31e
--- lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/service/ResourceServiceImpl.java	(.../ResourceServiceImpl.java)	(revision 6f9ce8030c9939df344a3aa7f5894116491a90d8)
+++ lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/service/ResourceServiceImpl.java	(.../ResourceServiceImpl.java)	(revision 229b7cbba0b3121880c4dc69818e46d6589fd31e)
@@ -295,7 +295,7 @@
 		
 		return items;
 	}
-	public List<Summary> exportBySessionId(Long sessionId) {
+	public List<Summary> exportBySessionId(Long sessionId, boolean skipHide) {
 		ResourceSession session = resourceSessionDao.getSessionBySessionId(sessionId);
 		if(session == null){
 			log.error("Failed get ResourceSession by ID [" +sessionId + "]");
@@ -305,6 +305,9 @@
 		List<Summary> itemList = new ArrayList();
 		Set<ResourceItem> resList = session.getResource().getResourceItems();
 		for(ResourceItem item:resList){
+			if(skipHide && item.isHide())
+				continue;
+			//if item is ha
 			if(item.isCreateByAuthor()){
 				Summary sum = new Summary(session.getSessionName(),item,false);
 				itemList.add(sum);
@@ -314,6 +317,9 @@
 		//get this session's all resource items
 		Set<ResourceItem> sessList =session.getResourceItems();
 		for(ResourceItem item:sessList){
+			if(skipHide && item.isHide())
+				continue;
+			
 			//to skip all item create by author
 			if(!item.isCreateByAuthor()){
 				Summary sum = new Summary(session.getSessionName(),item,false);
@@ -341,7 +347,16 @@
 		//session by session
 		List<ResourceSession> sessionList = resourceSessionDao.getByContentId(contentId);
 		for(ResourceSession session:sessionList){
-			List<Summary> group = exportBySessionId(session.getSessionId());
+			List<Summary> group = new ArrayList<Summary>();
+			//get this session's all resource items
+			Set<ResourceItem> sessList =session.getResourceItems();
+			for(ResourceItem item:sessList){
+				//to skip all item create by author
+				if(!item.isCreateByAuthor()){
+					Summary sum = new Summary(session.getSessionName(),item,false);
+					group.add(sum);
+				}
+			}
 			groupList.add(group);
 		}
 		
Index: lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/servlet/ExportServlet.java
===================================================================
diff -u -ra7fe4acafd3937e08142a8066b573d4fc9752a0b -r229b7cbba0b3121880c4dc69818e46d6589fd31e
--- lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/servlet/ExportServlet.java	(.../ExportServlet.java)	(revision a7fe4acafd3937e08142a8066b573d4fc9752a0b)
+++ lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/servlet/ExportServlet.java	(.../ExportServlet.java)	(revision 229b7cbba0b3121880c4dc69818e46d6589fd31e)
@@ -43,6 +43,7 @@
 import org.lamsfoundation.lams.tool.rsrc.service.ResourceApplicationException;
 import org.lamsfoundation.lams.tool.rsrc.service.ResourceServiceProxy;
 import org.lamsfoundation.lams.web.servlet.AbstractExportPortfolioServlet;
+import org.lamsfoundation.lams.web.util.AttributeNames;
 
 /**
  * Export portfolio servlet to export all shared resource into offline HTML
@@ -62,8 +63,10 @@
 	public String doExport(HttpServletRequest request, HttpServletResponse response, String directoryName, Cookie[] cookies) {
 		try {
 			if (StringUtils.equals(mode, ToolAccessMode.LEARNER.toString())) {
+				request.getSession().setAttribute(AttributeNames.ATTR_MODE,ToolAccessMode.LEARNER);
 				learner(request, response, directoryName, cookies);
 			} else if (StringUtils.equals(mode, ToolAccessMode.TEACHER.toString())) {
+				request.getSession().setAttribute(AttributeNames.ATTR_MODE,ToolAccessMode.TEACHER);
 				teacher(request, response, directoryName, cookies);
 			}
 		} catch (ResourceApplicationException e) {
@@ -103,7 +106,7 @@
 			logger.error(error);
 			throw new ResourceApplicationException(error);
 		}
-		List<Summary> group = service.exportBySessionId(toolSessionID);
+		List<Summary> group = service.exportBySessionId(toolSessionID,true);
 		List<List> groupList = new ArrayList<List>();
 		groupList.add(group);
 		request.getSession().setAttribute(ResourceConstants.ATTR_SUMMARY_LIST, groupList);
Index: lams_tool_larsrc/web/pages/export/exportportfolio.jsp
===================================================================
diff -u -ra7fe4acafd3937e08142a8066b573d4fc9752a0b -r229b7cbba0b3121880c4dc69818e46d6589fd31e
--- lams_tool_larsrc/web/pages/export/exportportfolio.jsp	(.../exportportfolio.jsp)	(revision a7fe4acafd3937e08142a8066b573d4fc9752a0b)
+++ lams_tool_larsrc/web/pages/export/exportportfolio.jsp	(.../exportportfolio.jsp)	(revision 229b7cbba0b3121880c4dc69818e46d6589fd31e)
@@ -55,6 +55,11 @@
 									<th width="300" align="center">
 										<fmt:message key="export.label.resource" />
 									</th>
+									<c:if test="${mode == 'teacher'}">
+										<th width="50" align="center">
+											<!-- hide/show -->
+										</th>
+									</c:if>
 								</tr>
 								</c:if>
 								<tr>
@@ -102,6 +107,15 @@
 											</c:when>
 										</c:choose>
 									</td>
+									<c:if test="${mode == 'teacher'}">
+										<td align="center">
+											<c:if test="${!item.itemCreateByAuthor}">
+												<c:if test="${item.itemHide}">
+													<fmt:message key="monitoring.label.hidden" />
+												</c:if>
+											</c:if>
+										</td>
+									</c:if>
 								</tr>
 								<c:if test="${status.count == groupSize}">
 							</table>