Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/LibraryHandle.java
return theme.getStyles( );
	}
	/*
	 * 
	 * 
	 * @see org.eclipse.birt.report.model.api.ModuleHandle#importCssStyles(org.eclipse.birt.report.model.api.css.CssStyleSheetHandle,
	 *      java.util.List)
	 * 
	 */
	public void importCssStyles( CssStyleSheetHandle stylesheet,
			List selectedStyles )
	{
		String themeName = ( (Module) getElement( ) ).getThemeName( );
		if ( themeName == null )
			themeName = ModelMessages
					.getMessage( IThemeModel.DEFAULT_THEME_NAME );
		importCssStyles( stylesheet, selectedStyles, themeName );
	}
	/**
	 * Creates the theme with the given name if it does not exist. Sets the
	 * theme value of the library to the given name if this value was
	 * <code>null</code>.
	 * 
	 * @param themeName
	 *            the theme name
	 * @return the theme handle
	 */
	private ThemeHandle setupTheme( String themeName )
	{
		Library libElement = (Library) getElement( ).getRoot( );