/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef RPTUI_VIEWSWINDOW_HXX
#define RPTUI_VIEWSWINDOW_HXX

#include <com/sun/star/report/XSection.hpp>
#include <vcl/window.hxx>
#include <svtools/colorcfg.hxx>
#include "ReportDefines.hxx"
#include "ReportSection.hxx"
#include <comphelper/propmultiplex.hxx>
#include "cppuhelper/basemutex.hxx"
#include <svtools/colorcfg.hxx>
#include <com/sun/star/beans/NamedValue.hpp>
#include <svx/svdedtv.hxx>
#include <SectionView.hxx>
#include <unotools/options.hxx>
#include <list>
#include <vector>
#include <boost/shared_ptr.hpp>

#include <MarkedSection.hxx>
#include <SectionWindow.hxx>

class SdrHdl;
namespace rptui
{
	class OReportWindow;
	class ODesignView;
	class OEndMarker;
	class OReportSection;
	class OSectionView;
    

    // -----------------------------------------------------------------------------
    struct RectangleLess : public ::std::binary_function< Rectangle, Rectangle, bool>
    {
        enum CompareMode { POS_LEFT,POS_RIGHT,POS_UPPER,POS_DOWN,POS_CENTER_HORIZONTAL,POS_CENTER_VERTICAL };
        CompareMode m_eCompareMode;
        Point       m_aRefPoint;
        RectangleLess(CompareMode _eCompareMode,const Point& _rRefPoint ) : m_eCompareMode(_eCompareMode),m_aRefPoint(_rRefPoint){}
        bool operator() (const Rectangle& lhs, const Rectangle& rhs) const 
        {
            switch(m_eCompareMode)
            {
            case POS_LEFT:
                return lhs.Left() < rhs.Left();
            case POS_RIGHT:
                return lhs.Right() >= rhs.Right();
            case POS_UPPER:
                return lhs.Top() < rhs.Top();
            case POS_DOWN:
                return lhs.Bottom() >= rhs.Bottom();
            case POS_CENTER_HORIZONTAL:
                return abs(m_aRefPoint.X() - lhs.Center().X()) < abs(m_aRefPoint.X() - rhs.Center().X());
            case POS_CENTER_VERTICAL:
                return abs(lhs.Center().Y() - m_aRefPoint.Y()) < abs(rhs.Center().Y() - m_aRefPoint.Y());
            }
            return false;
        }
    };

    class OWindowPositionCorrector
	{
		::std::vector< ::std::pair<Window*,Point> > m_aChildren;
		long m_nDeltaX;
		long m_nDeltaY;
	public:
		OWindowPositionCorrector(Window* _pWindow,long _nDeltaX, long _nDeltaY) :m_nDeltaX(_nDeltaX), m_nDeltaY(_nDeltaY)
		{
			sal_uInt16 nCount = _pWindow->GetChildCount();
			m_aChildren.reserve(nCount);
			while( nCount )
			{
				Window* pChild = _pWindow->GetChild(--nCount);
				m_aChildren.push_back(::std::pair<Window*,Point>(pChild,pChild->GetPosPixel()));
			}
		}
		~OWindowPositionCorrector()
		{
			::std::vector< ::std::pair<Window*,Point> >::iterator aIter = m_aChildren.begin();
			::std::vector< ::std::pair<Window*,Point> >::iterator aEnd = m_aChildren.end();
			for (; aIter != aEnd; ++aIter)
			{
				const Point aPos = aIter->first->GetPosPixel();
				if ( aPos == aIter->second )
					aIter->first->SetPosPixel(Point(m_nDeltaX,m_nDeltaY) + aPos);
			}
		}
	};

    class OViewsWindow :	public Window
						,	public utl::ConfigurationListener
                        ,   public IMarkedSection
	{
        typedef ::std::multimap<Rectangle,::std::pair<SdrObject*,OSectionView*>,RectangleLess>      TRectangleMap;
	public:
		typedef ::std::vector< ::boost::shared_ptr<OSectionWindow> >								TSectionsMap;

		struct TReportPairHelper : public ::std::unary_function< TSectionsMap::value_type, OReportSection >
		{
			OReportSection& operator() (const TSectionsMap::value_type& lhs) const
			{
				return lhs->getReportSection();
			}
		};
        struct TStartMarkerHelper : public ::std::unary_function< TSectionsMap::value_type, OStartMarker >
		{
			OStartMarker& operator() (const TSectionsMap::value_type& lhs) const 
			{
				return lhs->getStartMarker();
			}
		};
	private:
		TSectionsMap							m_aSections;
		svtools::ColorConfig					m_aColorConfig;
		OReportWindow*							m_pParent;
        ::rtl::OUString                         m_sShapeType;
		sal_Bool								m_bInSplitHandler;
		sal_Bool								m_bInUnmark;

		void ImplInitSettings();
		/** returns the iterator at pos _nPos or the end()
		*/
		TSectionsMap::iterator getIteratorAtPos(sal_uInt16 _nPos);
        void collectRectangles(TRectangleMap& _rMap,bool _bBoundRects);
        void collectBoundResizeRect(const TRectangleMap& _rSortRectangles,sal_Int32 _nControlModification,bool _bAlignAtSection,bool _bBoundRects,Rectangle& _rBound,Rectangle& _rResize);
        void impl_resizeSectionWindow(OSectionWindow& _rSectionWindow,Point& _rStartPoint,bool _bSet);

        OViewsWindow(OViewsWindow&);
        void operator =(OViewsWindow&);
	protected:
		virtual void DataChanged( const DataChangedEvent& rDCEvt );
        // windows overload
		virtual void MouseButtonDown( const MouseEvent& rMEvt );
		virtual void MouseButtonUp( const MouseEvent& rMEvt );

        virtual void Paint( const Rectangle& rRect );
		virtual void ConfigurationChanged( utl::ConfigurationBroadcaster*, sal_uInt32 );
	public:
		OViewsWindow( 
            OReportWindow* _pReportWindow);
		virtual ~OViewsWindow();

        // windows overload
		virtual void Resize();

        void resize(const OSectionWindow& _rSectionWindow);

		/** late ctor
		*/
		void initialize();

		inline OReportWindow*		getView()			const { return m_pParent; }

		/** removes the section at the given position.
		*
		* \param _nPosition Zero based.
		*/
		void			removeSection(sal_uInt16 _nPosition);

		/** adds a new section at position _nPosition.
			If the section is <NULL/> nothing happens.
			If the position is grater than the current elements, the section will be appended.
		*/
		void			addSection(const ::com::sun::star::uno::Reference< ::com::sun::star::report::XSection >& _xSection
									,const ::rtl::OUString& _sColorEntry
									,sal_uInt16 _nPosition = USHRT_MAX);

		sal_uInt16			getSectionCount() const;
        /** return the section at the given position
        *
        * \param _nPos 
        * \return the section at this pos or an empty section
        */
        ::boost::shared_ptr<OSectionWindow> getSectionWindow(const sal_uInt16 _nPos) const;

		/** turns the grid on or off
		*
		* \param _bVisible
		*/
		void			toggleGrid(sal_Bool _bVisible);
        void            setGridSnap(sal_Bool bOn);
        void            setDragStripes(sal_Bool bOn);

		/** returns the total accumulated height of all sections until _pSection is reached
		*/
		sal_Int32		getTotalHeight() const;

		inline bool		empty() const { return m_aSections.empty(); }
		void 			SetMode( DlgEdMode m_eMode );
		void			SetInsertObj( sal_uInt16 eObj,const ::rtl::OUString& _sShapeType = ::rtl::OUString());
		rtl::OUString   GetInsertObjString() const;
		/** copies the current selection in this section
		*/
		void Copy();

		/**	returns if paste is allowed
		*
		* \return <TRUE/> if paste is allowed
		*/
		sal_Bool IsPasteAllowed() const;

		/** paste a new control in this section
		*/
		void Paste();

		/** Deletes the current selection in this section
		*
		*/
		void Delete();

		/** All objects will be marked.
		*/
		void SelectAll(const sal_uInt16 _nObjectType);

        /** returns <TRUE/> when a object is marked
        */
        sal_Bool HasSelection() const;

		/** unmark all objects on the views without the given one.
		*
		* @param _pSectionView The view where the objects should not be unmarked.
		*/
		void			unmarkAllObjects(OSectionView* _pSectionView);

		/** returns the report section window for the given xsection
			@param	_xSection	the section
		*/
		// ::boost::shared_ptr<OSectionWindow>	getReportSection(const ::com::sun::star::uno::Reference< ::com::sun::star::report::XSection >& _xSection);
		::boost::shared_ptr<OSectionWindow> getSectionWindow(const ::com::sun::star::uno::Reference< ::com::sun::star::report::XSection>& _xSection) const;

		/** checks if the keycode is known by the child windows
			@param	_rCode	the keycode
			@return <TRUE/> if the keycode is handled otherwise <FALSE/>
		*/
		sal_Bool		handleKeyEvent(const KeyEvent& _rEvent);

		/** the section as marked or not marked
			@param	_pSectionView	the section where to set the marked flag
			@param	_bMark	the marked flag
		*/
		void			setMarked(OSectionView* _pSectionView,sal_Bool _bMark);
        void			setMarked(const ::com::sun::star::uno::Reference< ::com::sun::star::report::XSection>& _xSection,sal_Bool _bMark);
        void			setMarked(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::report::XReportComponent> >& _xShape,sal_Bool _bMark);

		// IMarkedSection
		::boost::shared_ptr<OSectionWindow> getMarkedSection(NearSectionAccess nsa = CURRENT) const;
        virtual void markSection(const sal_uInt16 _nPos);

        /** align all marked objects in all sections
        */
        void alignMarkedObjects(sal_Int32 _nControlModification,bool _bAlignAtSection, bool bBoundRects = false);

        /** creates a default object
        *
        */
        void createDefault();

        /** shows or hides the ruler.
		*/
		void showRuler(sal_Bool _bShow);

        /** returns the currently set shape type.
        *
        * \return \member m_sShapeType
        */
        inline ::rtl::OUString getShapeType() const { return m_sShapeType; }

		/** returns the current position in the list
		*/
		sal_uInt16 getPosition(const OSectionWindow* _pSectionWindow = NULL) const;

        /** calls on every section BrkAction
        *
        */
        void BrkAction();
        void BegMarkObj(const Point& _aPnt,const OSectionView* _pSection);

    private:
        void BegDragObj_createInvisibleObjectAtPosition(const Rectangle& _aRect, const OSectionView& _rSection);
		void EndDragObj_removeInvisibleObjects();
        Point m_aDragDelta;
        ::std::vector<SdrObject*> m_aBegDragTempList;
        bool isObjectInMyTempList(SdrObject *);
    public:
        void BegDragObj(const Point& _aPnt, SdrHdl* _pHdl,const OSectionView* _pSection);
        void EndDragObj(sal_Bool _bDragIntoNewSection,const OSectionView* _pSection,const Point& _aPnt);

		void EndAction();
        void ForceMarkedToAnotherPage();
        sal_Bool IsAction() const;
        sal_Bool IsDragObj() const;
        void handleKey(const KeyCode& _rCode);
        void stopScrollTimer();

        /** return the section at the given point which is relative to the given section
        *
        * \param _pSection the section which is used as reference point
        * \param _rPnt the point, it will be changed that it is inside the section which will be returned
        * \return the section
        */
        OSectionView* getSectionRelativeToPosition(const OSectionView* _pSection,Point& _rPnt);

        void MovAction(const Point& rPnt,const OSectionView* _pSection,bool _bMove /*= true */, bool _bControlKeySet);
        // void MovAction2(const Point& rPnt,const OSectionView* _pSection);

        sal_uInt32 getMarkedObjectCount() const;

        /** fills the positions of all collapsed sections.
        *
        * \param _rCollapsedPositions Out parameter which holds afterwards all positions of the collapsed sections.
        */
        void fillCollapsedSections(::std::vector<sal_uInt16>& _rCollapsedPositions) const;

        /** collpase all sections given by their position
        *
        * \param _aCollpasedSections The position of the sections which should be collapsed.
        */
        void collapseSections(const com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue>& _aCollpasedSections);

        /** zoom the ruler and view windows
        */
        void zoom(const Fraction& _aZoom);

        void scrollChildren(const Point& _aThumbPos);

        /** fills the vector with all selected control models
            /param  _rSelection The vector will be filled and will not be cleared before.
        */
        void fillControlModelSelection(::std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > >& _rSelection) const;
	};
//==============================================================================
} // rptui
//==============================================================================
#endif // RPTUI_VIEWSWINDOW_HXX