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/PropertyHandle.java
*            the position index at which the content to be inserted.
	 * @return a list containing all errors for the pasted element
	 * @throws SemanticException
	 *             if the element is not allowed in the property
	 */
	public List paste( IDesignElement content, int newPos )
			throws SemanticException
	{
		if ( content == null )
			return Collections.EMPTY_LIST;
		add( content.getHandle( getModule( ) ), newPos );
		return checkPostPasteErrors( (DesignElement) content );
	}
	/**
	 * Checks the element after the paste action.
	 * 
	 * @param content
	 *            the pasted element
	 * 
	 * @return a list containing parsing errors. Each element in the list is
	 *         <code>ErrorDetail</code>.
	 */
	private List checkPostPasteErrors( DesignElement content )
	{
		Module currentModule = getElementHandle( ).getModule( );
		String nameSpace = null;
		if ( currentModule != null && currentModule instanceof Library )
			nameSpace = ( (Library) currentModule ).getNamespace( );
		ModelUtil.revisePropertyNameSpace( getModule( ), content, content
				.getDefn( ).getProperty( IDesignElementModel.EXTENDS_PROP ),