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#include "usuals.h"
#include "rtfparsehelpers.h"

Level::Level()
{
	m_previous = NULL;
	m_element = NULL;
	m_destination = NULL;
	m_analyser = NULL;
}

Level::Level(const Level& level) :
	m_text(level.m_text)
{
	m_element = NULL;
	m_destination = NULL;
	m_analyser = NULL;
	m_previous = &level;
}

Level::~Level()
{

}

LevelPtr Level::pushLevel()
{
	LevelPtr level = new Level(*this);
	return level;
}

LevelPtr Level::getPrevious()
{
	return m_previous;
}

DOM::Element Level::getElement()
{
	if(m_element != NULL)
		return m_element;
	else if(m_previous)
		return m_previous->getElement();
	else
		ASSERT(0 && "should always have an element");

	return DOM::Element();
}

void Level::setElement(DOM::Element element, bool deep)
{
	if(deep && m_previous && m_element == NULL)
		m_previous->setElement(element, deep);
	else
		m_element = element;
}

AnalyserPtr Level::getAnalyser()
{
	if(m_analyser)
		return m_analyser;
	else if(m_previous)
		return m_previous->getAnalyser();
	else
		return NULL;
}

void Level::setAnalyser(AnalyserPtr analyser, bool deep)
{
	if(deep && m_previous && !m_analyser)
		m_previous->setAnalyser(analyser, deep);
	else
		m_analyser = analyser;
}

DestinationPtr Level::getDestination()
{
	if(m_destination)
		return m_destination;
	else if(m_previous)
		return m_previous->getDestination();
	else
		return NULL;
}

void Level::setDestination(DestinationPtr destination, bool deep)
{
	if(deep && m_previous && !m_destination)
		m_previous->setDestination(destination, deep);
	else
		m_destination = destination;
}

RtfFormatting& Level::getFormatting()
{
	return m_text;
}

void Level::setTextProperties(RtfFormatting& formatting)
{
	m_text.copy(formatting);
}