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/parser/ReportElementState.java
}
	/**
	 * Parse the attribute of "extensionName" for extendable element.
	 * 
	 * @param attrs
	 *            the SAX attributes object
	 * @param extensionNameRequired
	 *            whether extension name is required
	 */
	protected void parseExtensionName( Attributes attrs,
			boolean extensionNameRequired )
	{
		DesignElement element = getElement( );
		assert element instanceof IExtendableElement;
		String extensionName = getAttrib( attrs,
				DesignSchemaConstants.EXTENSION_NAME_ATTRIB );
		if ( StringUtil.isBlank( extensionName ) )
		{
			if ( !extensionNameRequired )
				return;
			SemanticError e = new SemanticError( element,
					SemanticError.DESIGN_EXCEPTION_MISSING_EXTENSION );
			RecoverableError.dealMissingInvalidExtension( handler, e );
		}
		else
		{
			MetaDataDictionary dd = MetaDataDictionary.getInstance( );
			ExtensionElementDefn extDefn = (ExtensionElementDefn) dd
					.getElement( extensionName );
			if ( extDefn == null )