Bug 187178 Remove Total.* from expression build
The Total java script object is no longer supported by BIRT. It should be removed from Expression builder.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ExpressionTreeSupport.java
*/
	public static final String TREE_NAME_OPERATORS = "Operators"; 
	public static final String TREE_NAME_NATIVE_OBJECTS = "Native Objects"; 
	public static final String TREE_NAME_BIRT_OBJECTS = "Birt Objects"; 
	public static final String TREE_NAME_DATASETS = "DataSets"; 
	public static final String TREE_NAME_PARAMETERS = "Parameters"; 
	public static final String TREE_NAME_CONTEXT = "Context"; 
	private Object currentEditObject;
	private String currentMethodName;
	private TreeItem contextItem, dataSetsItem, parametersItem;
	/**
	 * Creates all expression trees in default order
	 * 
	 * @param dataSetList
	 *            list for DataSet tree
	 */
	public void createDefaultExpressionTree( List dataSetList )
	{
		createFilteredExpressionTree( dataSetList, null );
	}
	/**
	 * Creates selected expression trees with given filter list.
	 * 
	 * @param dataSetList
	 *            list for DataSet tree
	 * @param filterList
	 *            list of filters
	 */
	public void createFilteredExpressionTree( List dataSetList, List filterList )
	{