diff --git a/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/forms/ProcessBreakdownStructureFormPage.java b/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/forms/ProcessBreakdownStructureFormPage.java
index 2b73a2f..eccbf68 100755
--- a/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/forms/ProcessBreakdownStructureFormPage.java
+++ b/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/forms/ProcessBreakdownStructureFormPage.java
@@ -26,6 +26,8 @@
 import org.eclipse.epf.authoring.ui.AuthoringUIHelpContexts;
 import org.eclipse.epf.authoring.ui.AuthoringUIPlugin;
 import org.eclipse.epf.authoring.ui.AuthoringUIResources;
+import org.eclipse.epf.authoring.ui.celleditors.AbstractCheckBoxCellEditor;
+import org.eclipse.epf.authoring.ui.celleditors.ProcessCheckBoxCellEditor;
 import org.eclipse.epf.authoring.ui.editors.ColumnDescriptor;
 import org.eclipse.epf.authoring.ui.editors.MethodElementEditor;
 import org.eclipse.epf.authoring.ui.editors.ProcessEditor;
@@ -648,6 +650,7 @@
 				.getCellEditorParent());
 
 		setCellEditors();
+		setCheckBoxCellEditors();
 
 		// Set the cell modifier
 		viewer.setCellModifier(new ICellModifier() {
@@ -761,6 +764,7 @@
 						&& StrUtil.isBlank(be.getName())) {
 					be.setName(txt);
 				}
+				
 				viewer.refresh();
 			}
 		});
@@ -893,6 +897,9 @@
 		}
 		viewer.setCellEditors(cellEditors);
 	}
+	
+	
+	
 
 	/**
 	 * Set input for viewer
@@ -1025,4 +1032,22 @@
 		return null;
 	}
 	
+	/**
+	 * Set check box cell editors
+	 */
+	public void setCheckBoxCellEditors() {
+		AbstractCheckBoxCellEditor[] cellEditors = new AbstractCheckBoxCellEditor[columnDescriptors.length];
+		for (int i = 0; i < columnDescriptors.length; i++) {
+			switch (columnDescriptors[i].cellEditorType) {
+				case ColumnDescriptor.CELL_EDITOR_TYPE_CHECK_BOOLEAN:
+					cellEditors[i] = new ProcessCheckBoxCellEditor(viewer
+							.getCellEditorParent());
+					break;
+				default:
+					cellEditors[i] = null;
+			}
+		}
+		((ProcessViewer) viewer).setCheckBoxCellEditors(cellEditors);
+	}
+	
 }
\ No newline at end of file
diff --git a/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/views/ProcessViewer.java b/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/views/ProcessViewer.java
index 8d369f6..db705d3 100755
--- a/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/views/ProcessViewer.java
+++ b/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/views/ProcessViewer.java
@@ -1,5 +1,5 @@
 //------------------------------------------------------------------------------
-// Copyright (c) 2005, 2006 IBM Corporation and others.
+// Copyright (c) 2005, 2007 IBM Corporation and others.
 // All rights reserved. This program and the accompanying materials
 // are made available under the terms of the Eclipse Public License v1.0
 // which accompanies this distribution, and is available at
@@ -10,16 +10,35 @@
 //------------------------------------------------------------------------------
 package org.eclipse.epf.authoring.ui.views;
 
+import org.eclipse.epf.authoring.ui.celleditors.AbstractCheckBoxCellEditor;
+import org.eclipse.jface.viewers.ICellModifier;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MouseAdapter;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Item;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.TreeColumn;
+import org.eclipse.swt.widgets.TreeItem;
 
 /**
  * Displays the Process elements in a tree table viewer.
  * 
  * @author Phong Nguyen Le
+ * @author Shilpa Toraskar
  * @since 1.0
  */
 public class ProcessViewer extends ProcessTreeViewer {
 
+	private String[] columnProperties;
+
+	private AbstractCheckBoxCellEditor[] checkBoxCellEditors = null;
+
 	/**
 	 * Creates a new instance.
 	 */
@@ -28,10 +47,150 @@
 	}
 
 	/**
-	 * @return the underlying Tree
+	 * Return parent - underlying tree
+	 * 
+	 * @return parent
 	 */
 	public Composite getCellEditorParent() {
 		return getTree();
 	}
 
+	/**
+	 * Set check box cell editors
+	 * 
+	 * @param checkBoxCellEditors
+	 */
+	public void setCheckBoxCellEditors(
+			AbstractCheckBoxCellEditor[] checkBoxCellEditors) {
+		this.checkBoxCellEditors = checkBoxCellEditors;
+		for (int i = 0; i < checkBoxCellEditors.length; i++) {
+			AbstractCheckBoxCellEditor editor = checkBoxCellEditors[i];
+			if (editor == null)
+				continue;
+			editor.setColumnIndex(i);
+		}
+	}
+
+	/**
+	 * @see org.eclipse.epf.authoring.ui.views.ProcessTreeViewer#hookControl(org.eclipse.swt.widgets.Control)
+	 */
+	protected void hookControl(Control control) {
+		super.hookControl(control);
+		getTree().addMouseListener(new MouseAdapter() {
+			public void mouseDown(MouseEvent e) {
+				modifyItem(e);
+			}
+		});
+		// getTree().addMouseMoveListener(new MouseMoveListener(){
+		// public void mouseMove(MouseEvent e){
+		// setUnsetEditor(e);
+		// }
+		// });
+		Listener paintListener = new Listener() {
+			public void handleEvent(Event event) {
+				switch (event.type) {
+				case SWT.PaintItem: {
+					// System.out.println("event.index = "+ event.index);
+					Image image = getCheckBoxCellEditorImage(event);
+					if (image == null)
+						return;
+					TreeColumn col = getTree().getColumn(event.index);
+					int x = event.x + col.getWidth() / 2;
+					Rectangle rect = image.getBounds();
+					int offset = Math.max(0, (event.height - rect.height) / 2);
+					event.gc.drawImage(image, x - rect.width / 2, event.y
+							+ offset);
+					break;
+				}
+				}
+			}
+		};
+		getTree().addListener(SWT.PaintItem, paintListener);
+	}
+
+	/**
+	 * @see org.eclipse.epf.authoring.ui.views.ProcessTreeViewer#doUpdateItem(org.eclipse.swt.widgets.Item,
+	 *      java.lang.Object)
+	 */
+	protected void doUpdateItem(Item item, Object element) {
+		super.doUpdateItem(item, element);
+
+		if (checkBoxCellEditors != null && columnProperties != null
+				&& columnProperties.length > 0) {
+			for (int i = 0; i < checkBoxCellEditors.length; i++) {
+				AbstractCheckBoxCellEditor editor = checkBoxCellEditors[i];
+				if (editor == null)
+					continue;
+				((TreeItem) item).setText(i, "");
+
+			}
+		}
+
+	}
+
+	private Image getCheckBoxCellEditorImage(Event event) {
+		return getCheckBoxCellEditorImage(event.index, (TreeItem) event.item);
+	}
+
+	private Image getCheckBoxCellEditorImage(int columnIndex, TreeItem item) {
+		if (checkBoxCellEditors == null
+				|| checkBoxCellEditors[columnIndex] == null)
+			return null;
+		return checkBoxCellEditors[columnIndex].getImage(item,
+				columnProperties[columnIndex]);
+	}
+
+	/**
+	 * @see org.eclipse.jface.viewers.TreeViewer#setCellModifier(org.eclipse.jface.viewers.ICellModifier)
+	 */
+	public void setCellModifier(ICellModifier modifier) {
+		super.setCellModifier(modifier);
+
+		if (checkBoxCellEditors != null) {
+			for (int i = 0; i < checkBoxCellEditors.length; i++) {
+				AbstractCheckBoxCellEditor editor = checkBoxCellEditors[i];
+				if (editor == null)
+					continue;
+				editor.setCellModifier(modifier);
+			}
+		}
+	}
+
+	/**
+	 * This method is used for mouse down listener
+	 * 
+	 * @param event
+	 */
+	private void modifyItem(MouseEvent event) {
+		Point pt = new Point(event.x, event.y);
+		TreeItem item = getTree().getItem(pt);
+		if (item == null)
+			return;
+
+		for (int i = 0; i < getTree().getColumnCount(); i++) {
+			Rectangle rect = item.getBounds(i);
+			if (rect.contains(pt)) {
+				Image image = getCheckBoxCellEditorImage(i, item);
+				if (image == null)
+					return;
+				Rectangle imgRect = image.getBounds();
+				int offset = Math.max(0, (rect.height - imgRect.height) / 2);
+				int x = rect.x + rect.width / 2 - imgRect.width / 2;
+				int y = rect.y + offset;
+				imgRect = new Rectangle(x, y, imgRect.width, imgRect.height);
+				if (imgRect.contains(pt)) {
+					checkBoxCellEditors[i].modify(item, columnProperties[i]);
+					return;
+				}
+			}
+		}
+	}
+
+	/**
+	 * @see org.eclipse.jface.viewers.TreeViewer#setColumnProperties(java.lang.String[])
+	 */
+	public void setColumnProperties(String[] columnProperties) {
+		super.setColumnProperties(columnProperties);
+		this.columnProperties = columnProperties;
+	}
 }
\ No newline at end of file