Index: lams_tool_images/src/java/org/lamsfoundation/lams/tool/imageGallery/service/ImageGalleryServiceImpl.java
===================================================================
diff -u -r434a2aec5c62876edcb6dc8908896939080f1cf2 -rf4176ca9f5790d0805e5142947e05b6f4d05e739
--- lams_tool_images/src/java/org/lamsfoundation/lams/tool/imageGallery/service/ImageGalleryServiceImpl.java	(.../ImageGalleryServiceImpl.java)	(revision 434a2aec5c62876edcb6dc8908896939080f1cf2)
+++ lams_tool_images/src/java/org/lamsfoundation/lams/tool/imageGallery/service/ImageGalleryServiceImpl.java	(.../ImageGalleryServiceImpl.java)	(revision f4176ca9f5790d0805e5142947e05b6f4d05e739)
@@ -944,6 +944,17 @@
     }
     
     @Override
+    public boolean isReadOnly(Long toolContentId) {
+	for (ImageGallerySession session : imageGallerySessionDao.getByContentId(toolContentId)) {
+	    if (!imageGalleryUserDao.getBySessionID(session.getSessionId()).isEmpty()) {
+		return true;
+	    }
+	}
+	
+	return false;
+    }
+    
+    @Override
     public void removeToolContent(Long toolContentId, boolean removeSessionData) throws SessionDataExistsException,
 	    ToolException {
 	ImageGallery imageGallery = imageGalleryDao.getByContentId(toolContentId);