Bug 184762 BIRT Model - Enhancments to the level defintion
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
*/
	public void setThemeName( String themeName ) throws SemanticException
	{
		ThemeCommand command = new ThemeCommand( (Module) getElement( ) );
		command.setTheme( themeName );
	}
	/**
	 * Returns the refresh rate when viewing the report.
	 * 
	 * @return the refresh rate
	 */
	public ThemeHandle getTheme( )
	{
		Theme theme = getModule( ).getTheme( module );
		if ( theme == null )
			return null;
		return (ThemeHandle) theme.getHandle( theme.getRoot( ) );
	}
	/**
	 * Sets the theme to a report.
	 * 
	 * @param theme
	 *            the theme instance
	 * @throws SemanticException
	 */
	public void setTheme( ThemeHandle theme ) throws SemanticException
	{
		ThemeCommand command = new ThemeCommand( (Module) getElement( ) );
		command.setThemeElement( theme );
	}