Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/ChosenGrouping.java
===================================================================
RCS file: /usr/local/cvsroot/lams_common/src/java/org/lamsfoundation/lams/learningdesign/ChosenGrouping.java,v
diff -u -r1.4 -r1.5
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/ChosenGrouping.java	21 Feb 2005 06:53:21 -0000	1.4
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/ChosenGrouping.java	24 Feb 2005 05:46:03 -0000	1.5
@@ -24,6 +24,20 @@
     {
         super(groupingId, groups, activities);
     }
+    
+    /**
+     * This method creates a deep copy of the Grouping passed
+     * as an argument.
+     * 
+     * @param originalGrouping The Grouping object to be deep copied
+     * @return ChosenGrouping The deep copied Grouping object
+     */
+    public static ChosenGrouping createCopy(ChosenGrouping originalGrouping){
+    	ChosenGrouping chosenGrouping = new ChosenGrouping();
+    	chosenGrouping.setMaxNumberOfGroups(originalGrouping.getMaxNumberOfGroups());
+    	chosenGrouping.setGroupingUIID(originalGrouping.getGroupingUIID());
+    	return chosenGrouping;
+    }
 
     /**
      * This type of grouping doesn't have groups other than learner groups.
Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/GroupingActivity.java
===================================================================
RCS file: /usr/local/cvsroot/lams_common/src/java/org/lamsfoundation/lams/learningdesign/GroupingActivity.java,v
diff -u -r1.5 -r1.6
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/GroupingActivity.java	23 Feb 2005 05:17:34 -0000	1.5
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/GroupingActivity.java	24 Feb 2005 05:46:03 -0000	1.6
@@ -1,6 +1,7 @@
 package org.lamsfoundation.lams.learningdesign;
 
 import java.io.Serializable;
+import java.util.Date;
 import org.apache.commons.lang.builder.ToStringBuilder;
 
 
@@ -97,7 +98,34 @@
         this.createGrouping = createGrouping;        
         this.createGroupingUIID = create_grouping_ui_id;
     }
-    
+    /**
+     * This function creates a deep copy of the GroupingActivity passed
+     * as an argument. However each time a GroupingActivity is deep copied
+     * it would result in creation of new Groups as well.
+     * @param originalActivity
+     * @return
+     */
+    public static GroupingActivity createCopy(GroupingActivity originalActivity){
+    	GroupingActivity groupingActivity = new GroupingActivity();
+    	
+    	groupingActivity.setActivityUIID(originalActivity.getActivityUIID());
+    	groupingActivity.setDescription(originalActivity.getDescription());
+    	groupingActivity.setTitle(originalActivity.getTitle());
+    	groupingActivity.setHelpText(originalActivity.getHelpText());
+    	groupingActivity.setXcoord(originalActivity.getXcoord());
+    	groupingActivity.setYcoord(originalActivity.getYcoord());    	    	
+    	groupingActivity.setDefineLater(originalActivity.getDefineLater());    	
+    	groupingActivity.setCreateDateTime(new Date());    	
+    	groupingActivity.setLibraryActivityUiImage(originalActivity.getLibraryActivityUiImage());
+    	Grouping oldGrouping = originalActivity.getGrouping();
+    	
+    	if(oldGrouping.getGroupingTypeId()==Grouping.CHOSEN_GROUPING_TYPE)
+    		groupingActivity.setGrouping(ChosenGrouping.createCopy((ChosenGrouping)oldGrouping));
+    	else
+    		groupingActivity.setGrouping(RandomGrouping.createCopy((RandomGrouping)oldGrouping));
+    	
+    	return groupingActivity;    	
+    }    
     public String toString()
     {
         return new ToStringBuilder(this)
Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/RandomGrouping.java
===================================================================
RCS file: /usr/local/cvsroot/lams_common/src/java/org/lamsfoundation/lams/learningdesign/RandomGrouping.java,v
diff -u -r1.4 -r1.5
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/RandomGrouping.java	21 Feb 2005 06:53:21 -0000	1.4
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/RandomGrouping.java	24 Feb 2005 05:46:03 -0000	1.5
@@ -70,4 +70,23 @@
     {
         return true;
     }
+    /**
+     * This method creates a deep copy of the Grouping passed
+     * as an argument.
+     * 
+     * @param originalGrouping The Grouping object to be deep copied
+     * @return RandomGrouping The deep copied Grouping object
+     */
+    public static RandomGrouping createCopy(RandomGrouping originalGrouping){
+    	RandomGrouping randomGrouping = new RandomGrouping();
+    	
+    	randomGrouping.setMaxNumberOfGroups(originalGrouping.getMaxNumberOfGroups());
+    	randomGrouping.setGroupingUIID(originalGrouping.getGroupingUIID());
+    	
+    	randomGrouping.setNumberOfGroups(originalGrouping.getNumberOfGroups());
+    	randomGrouping.setLearnersPerGroup(originalGrouping.getLearnersPerGroup());
+    	
+    	return randomGrouping;
+    }
+
 }