Bug 118557 Default name setting of data source, data set and dynamic text doesn't take effect.
Description: Default name setting of data source, data set and dynamic text doesn't take effect. Steps to reproduce: 1.Select Window>Preferences>BIRT>Element Names. 2.Set DataSource, DataSet and TextData default name. 3.Add a data source, data set and dynamic text and find that their default names are not displayed.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/newelement/DesignElementFactory.java
* @return a handle to rectangle
	 */
	public RectangleHandle newRectangle( String name )
	{
		String newName = getNewName( ReportDesignConstants.RECTANGLE_ITEM, name );
		return factory.newRectangle( newName );
	}
	/**
	 * Creates a new multi line data item.
	 * 
	 * @param name
	 *            the optional multi line data name. Can be <code>null</code>.
	 * @return a handle to multi line data item
	 */
	public TextDataHandle newTextData( String name )
	{
		String newName = getNewName( ReportDesignConstants.TEXT_ITEM, name );
		return factory.newTextData( newName );
	}
	/**
	 * Creates a new extended item.
	 * 
	 * @param name
	 *            the optional extended item name. Can be <code>null</code>.
	 * @param extensionName
	 *            the required extension name
	 * @return a handle to extended item, return <code>null</code> if the
	 *         definition with the given extension name is not found
	 */
	public ExtendedItemHandle newExtendedItem( String name, String extensionName )