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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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#ifndef OOX_DRAWINGML_DIAGRAMLAYOUTATOMS_HXX
#define OOX_DRAWINGML_DIAGRAMLAYOUTATOMS_HXX

#include <map>
#include <string>

#include <boost/shared_ptr.hpp>
#include <boost/array.hpp>

#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/xml/sax/XFastAttributeList.hpp>

#include "oox/drawingml/shape.hxx"


namespace oox { namespace drawingml {


// AG_IteratorAttributes
class IteratorAttr
{
public:
	IteratorAttr();

	// not sure this belong here, but wth
	void loadFromXAttr( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& xAttributes );

private:
	sal_Int32 mnAxis;
	sal_Int32 mnCnt;
	sal_Bool  mbHideLastTrans;
	sal_Int32 mnPtType;
	sal_Int32 mnSt;
	sal_Int32 mnStep;
};

class ConditionAttr
{
public:
	ConditionAttr();

	// not sure this belong here, but wth
	void loadFromXAttr( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& xAttributes );

private:
	sal_Int32 mnFunc;
	sal_Int32 mnArg;
	sal_Int32 mnOp;
	::rtl::OUString msVal;
};

class LayoutAtom;

typedef boost::shared_ptr< LayoutAtom > LayoutAtomPtr;

/** abstract Atom for the layout */
class LayoutAtom
{
public:
	virtual ~LayoutAtom()
		{}
	// TODO change signature to the proper one
	virtual void processAtom() = 0;
	void setName( const ::rtl::OUString & sName )
		{ msName = sName; }
	void addChild( const LayoutAtomPtr & pNode )
		{ mpChildNodes.push_back( pNode ); }

	// dump for debug
	virtual void dump(int level = 0);
protected:
	std::vector< LayoutAtomPtr > mpChildNodes;
	::rtl::OUString msName;
};

class AlgAtom
	: public LayoutAtom
{
public:
	virtual ~AlgAtom()
		{}
	typedef std::map< std::string, ::com::sun::star::uno::Any > ParamMap;

	virtual void processAtom()
		{}
private:
	ParamMap mParams;
};


class ForEachAtom
	: public LayoutAtom
{
public:
	virtual ~ForEachAtom()
		{}
	
	IteratorAttr & iterator()
		{ return maIter; }
	virtual void processAtom();
private:
	IteratorAttr maIter;
};

typedef boost::shared_ptr< ForEachAtom > ForEachAtomPtr;


class ConditionAtom
	: public LayoutAtom
{
public:
	ConditionAtom( bool bElse = false )
		: LayoutAtom( )
		, mbElse( bElse )
		{}
	virtual ~ConditionAtom()
		{}
	bool test();
	virtual void processAtom()
		{}
	IteratorAttr & iterator()
		{ return maIter; }
	ConditionAttr & cond()
		{ return maCond; }
private:
	bool          mbElse;
	IteratorAttr  maIter;
	ConditionAttr maCond;
};

typedef boost::shared_ptr< ConditionAtom > ConditionAtomPtr;


/** "choose" statements. Atoms will be tested in order. */
class ChooseAtom
	: public LayoutAtom
{
public:
	virtual ~ChooseAtom()
		{}
	virtual void processAtom();
};

class LayoutNode
	: public LayoutAtom
{
public:
	enum {
		VAR_animLvl = 0,
		VAR_animOne,
		VAR_bulletEnabled,
		VAR_chMax,
		VAR_chPref,
		VAR_dir,
		VAR_hierBranch,
		VAR_orgChart,
		VAR_resizeHandles
	};
	// we know that the array is of fixed size
	// the use of Any allow having empty values
	typedef boost::array< ::com::sun::star::uno::Any, 9 > VarMap;

	virtual ~LayoutNode()
		{}
	virtual void processAtom()
		{}
	VarMap & variables()
		{ return mVariables; }
private:
	VarMap                       mVariables;
	std::vector< ShapePtr >      mpShapes;
};

typedef boost::shared_ptr< LayoutNode > LayoutNodePtr;

} }

#endif