Bug 180089 BIRT model - TOC predefined styles
In ROM we need to support predefined styles for TOC too. This will allow user to easily create a TOC style, by creating one of two styles. Suggestion i have is - TOC ( Applies to all TOC nodes ) - TOC-level1 ( If defined applies to first level toc nodes ) - TOC-level2 ........... - TOC-level5
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
return (JointDataSetHandle) element.getHandle( element.getRoot( ) );
	}
	/**
	 * Finds a template data set by name in this module and the included
	 * modules.
	 * 
	 * @param name
	 *            name of the data set
	 * @return a handle to the template data set, or <code>null</code> if the
	 *         data set is not found
	 */
	public TemplateDataSetHandle findTemplateDataSet( String name )
	{
		DesignElement element = module.findDataSet( name );
		if ( element == null )
			return null;
		return (TemplateDataSetHandle) element.getHandle( element.getRoot( ) );
	}
	/**
	 * Finds a data source by name in this module and the included modules.
	 * 
	 * @param name
	 *            name of the data source
	 * @return a handle to the data source, or <code>null</code> if the data
	 *         source is not found
	 */
	public DataSourceHandle findDataSource( String name )
	{
		DesignElement element = module.findDataSource( name );
		if ( element == null )