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#include "oox/drawingml/diagram/diagramlayoutatoms.hxx"

#include <functional>
#include <boost/bind.hpp>

#include "oox/helper/attributelist.hxx"
#include "layoutnodecontext.hxx"

using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
using namespace ::oox::core;

namespace oox { namespace drawingml {


IteratorAttr::IteratorAttr( )
	: mnAxis( 0 )
	, mnCnt( 0 )
	, mbHideLastTrans( false )
	, mnPtType( 0 )
	, mnSt( 0 )
	, mnStep( 1 )
{
}

void IteratorAttr::loadFromXAttr( const Reference< XFastAttributeList >& xAttr )
{
	AttributeList attr( xAttr );
	mnAxis = xAttr->getOptionalValueToken( XML_axis, 0 );
	mnCnt = attr.getInteger( XML_cnt, 0 );
	mbHideLastTrans = attr.getBool( XML_hideLastTrans, false );
	mnPtType = xAttr->getOptionalValueToken( XML_ptType, 0 );
	mnSt = attr.getInteger( XML_st, 0 );
	mnStep = attr.getInteger( XML_step, 1 );
}



ConditionAttr::ConditionAttr()
	: mnFunc( 0 )
	, mnArg( 0 )
	, mnOp( 0 )
{

}


void ConditionAttr::loadFromXAttr( const Reference< XFastAttributeList >& xAttr )
{
	mnFunc = xAttr->getOptionalValueToken( XML_func, 0 );
	// mnArg will be -1 for "none" or any other unknown value
	mnArg = LayoutNodeContext::tagToVarIdx( xAttr->getOptionalValueToken( XML_arg, XML_none ) );
	mnOp = xAttr->getOptionalValueToken( XML_op, 0 );
	msVal = xAttr->getOptionalValue( XML_val );
}


void LayoutAtom::dump(int level)
{
	OSL_TRACE( "level = %d - %s of type %s", level,
			   OUSTRING_TO_CSTR( msName ),
			   typeid(*this).name() );
	std::for_each( mpChildNodes.begin(), mpChildNodes.end(),
				  boost::bind( &LayoutAtom::dump, _1, level + 1 ) );
}


void ForEachAtom::processAtom()
{
	// TODO there is likely some conditions
	std::for_each( mpChildNodes.begin(), mpChildNodes.end(),
				   boost::bind( &LayoutAtom::processAtom, _1 ) );
}

/** call ConditionAtom::test() if pAtom is one
 * if it is not a ConditionAtom, then return false.
 */
static bool _test_atom( const LayoutAtomPtr & pAtom)
{
	try {
		bool bResult = false;
		const ConditionAtomPtr pCond = boost::dynamic_pointer_cast< ConditionAtom >(pAtom);
		if( pCond )
		{
			bResult = pCond->test();
		}
		return bResult;
	}
	catch(...)
	{
	}
	return false;
}

void ChooseAtom::processAtom()
{
	std::vector< LayoutAtomPtr >::iterator
		iter = std::find_if( mpChildNodes.begin(), mpChildNodes.end(),
							 boost::bind( &_test_atom, _1 ) );
	if( iter != mpChildNodes.end() )
	{
		// TODO do something
		(*iter)->processAtom();
	}
}

bool ConditionAtom::test()
{
	// TODO
	return false;
}


} }