Bug 199834 Enable access to IContent object in IReportItemPresentation layer
In IReportItemPresentation layer, the extended item may want to access properties from current IContent object, for example, bookmark, content style. So we need expose the content object in this layer.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
}
	}
	public Object visitText( ITextContent text, Object value )
	{
		handleOnRender( text );
		return value;
	}
	/**
	 * handle the foreign content object.
	 * 
	 * Foreign content can be created by following design element:
	 * <li> Text(HTML). It will create a TEMPLATE_TYPE foreign object.
	 * <li> MultiLine(HTML). It will create a HTML_TYPE forign object
	 * <li> MultiLine(PlainText).It will create a TEXT_TYPE foreign object
	 * <li> Extended item. It will create a
	 * TEXT_TYPE/HTML_TYPE/IMAGE_TYPE/VALUE_TYPE foreign object.
	 * 
	 */
	public Object visitForeign( IForeignContent foreignContent, Object value )
	{
		IReportContent reportContent = getReportContent( );
		
		String rawFormat = foreignContent.getRawType( );
		Object rawValue = foreignContent.getRawValue( );
		if ( IForeignContent.TEMPLATE_TYPE.equals( rawFormat ) )
		{
			handleOnRender( foreignContent );
			processTemplateContent( foreignContent );
			return foreignContent;
		}