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 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SW_INC_TBLSEL_HXX
#define INCLUDED_SW_INC_TBLSEL_HXX

#include <swtable.hxx>
#include <swrect.hxx>
#include "swdllapi.h"

#include <o3tl/sorted_vector.hxx>

#include <memory>
#include <deque>
#include <vector>

class SwCursorShell;
class SwCursor;
class SwTableCursor;
class SwFrame;
class SwTabFrame;
class SwTableBox;
class SwTableLine;
class SwLayoutFrame;
class SwPaM;
class SwNode;
class SwTable;
class SwUndoTableMerge;
class SwCellFrame;

typedef ::std::deque< SwCellFrame* > SwCellFrames;

struct CompareSwSelBoxes
{
    bool operator()(SwTableBox* const& lhs, SwTableBox* const& rhs) const
    {
        return lhs->GetSttIdx() < rhs->GetSttIdx();
    }
};
class SwSelBoxes : public o3tl::sorted_vector<SwTableBox*, CompareSwSelBoxes> {};

// Collects all boxes in table that are selected.
// Selection gets extended in given direction according to enum-parameter.
// Boxes are collected via the Layout; works correctly if tables are split.
// (Cf. MakeSelUnions().)
typedef sal_uInt16 SwTableSearchType;
namespace nsSwTableSearchType
{
    const SwTableSearchType TBLSEARCH_NONE = 0x1;       // No extension.
    const SwTableSearchType TBLSEARCH_ROW  = 0x2;       // Extend to rows.
    const SwTableSearchType TBLSEARCH_COL  = 0x3;       // Extend to columns.

    // As flag to the other values!
    const SwTableSearchType TBLSEARCH_PROTECT = 0x8;      // Collect protected boxes too.
    const SwTableSearchType TBLSEARCH_NO_UNION_CORRECT = 0x10; // Do not correct collected Union.
}

SW_DLLPUBLIC void GetTableSel( const SwCursorShell& rShell, SwSelBoxes& rBoxes,
                const SwTableSearchType = nsSwTableSearchType::TBLSEARCH_NONE );

void GetTableSel( const SwCursor& rCursor, SwSelBoxes& rBoxes,
                const SwTableSearchType = nsSwTableSearchType::TBLSEARCH_NONE );

// As before, but don't start from selection but from Start- EndFrames.
void GetTableSel( const SwLayoutFrame* pStart, const SwLayoutFrame* pEnd,
                SwSelBoxes& rBoxes, SwCellFrames* pCells,
                const SwTableSearchType = nsSwTableSearchType::TBLSEARCH_NONE );

// As before but directly via PaMs.
void GetTableSelCrs( const SwCursorShell& rShell, SwSelBoxes& rBoxes );
void GetTableSelCrs( const SwTableCursor& rTableCursor, SwSelBoxes& rBoxes );

// Collect boxes relevant for auto sum.
bool GetAutoSumSel( const SwCursorShell&, SwCellFrames& );

// Check if the SelBoxes contains protected Boxes.
bool HasProtectedCells( const SwSelBoxes& rBoxes );

// Check if selection is balanced.
bool ChkChartSel( const SwNode& rSttNd, const SwNode& rEndNd);

// Check if cell is part of SSelection.
// (Became a function, in order to make sure that GetTableSel() and MakeTableCursor()
// have always the same concept of the selection.
bool IsFrameInTableSel( const SwRect& rUnion, const SwFrame* pCell );

// Determine boxes to be merged.
// In this process the rectangle gets "adapted" on the base of the layout,
// i.e. boxes are added if some overlap at the sides.
// Additionally a new box is created and filled with the relevant content.
void GetMergeSel( const SwPaM& rPam, SwSelBoxes& rBoxes,
                  SwTableBox** ppMergeBox, SwUndoTableMerge* pUndo = nullptr );

// Check if selected boxes allow for a valid merge.
sal_uInt16 CheckMergeSel( const SwPaM& rPam );
sal_uInt16 CheckMergeSel( const SwSelBoxes& rBoxes );

bool IsEmptyBox( const SwTableBox& rBox, SwPaM& rPam );

// Check if Split or InsertCol lead to a box becoming smaller than MINLAY.
bool CheckSplitCells( const SwCursorShell& rShell, sal_uInt16 nDiv,
                        const SwTableSearchType = nsSwTableSearchType::TBLSEARCH_NONE );
bool CheckSplitCells( const SwCursor& rCursor, sal_uInt16 nDiv,
                        const SwTableSearchType = nsSwTableSearchType::TBLSEARCH_NONE );

// For working on tab selection also for split tables.
class SwSelUnion
{
    SwRect   m_aUnion;        // The rectangle enclosing the selection.
    SwTabFrame *m_pTable;       // The (Follow-)Table for the Union.

public:
    SwSelUnion( const SwRect &rRect, SwTabFrame *pTab ) :
        m_aUnion( rRect ), m_pTable( pTab ) {}

    const SwRect&   GetUnion() const { return m_aUnion; }
          SwRect&   GetUnion()       { return m_aUnion; }
    const SwTabFrame *GetTable() const { return m_pTable; }
          SwTabFrame *GetTable()       { return m_pTable; }
};

// Determines tables affected by a table selection and union rectangles
// of the selection (also for split tables)
typedef std::vector<SwSelUnion> SwSelUnions;

// Gets the tables involved in a table selection and the union-rectangles of the selections
// - also for split tables.
// If a parameter is passed that != nsSwTableSearchType::TBLSEARCH_NONE
// the selection is extended in the given direction.
void MakeSelUnions( SwSelUnions&, const SwLayoutFrame *pStart,
                    const SwLayoutFrame *pEnd,
                    const SwTableSearchType = nsSwTableSearchType::TBLSEARCH_NONE );

// These classes copy the current table selections (rBoxes) into a
// separate structure while keeping the table structure.

class FndBox_;
class FndLine_;

typedef std::vector<std::unique_ptr<FndBox_>> FndBoxes_t;
typedef std::vector<std::unique_ptr<FndLine_>> FndLines_t;

class FndBox_
{
    SwTableBox* pBox;
    FndLines_t m_Lines;
    FndLine_* pUpper;

    SwTableLine *pLineBefore;   // For deleting/restoring the layout.
    SwTableLine *pLineBehind;

    FndBox_(FndBox_ const&) = delete;
    FndBox_& operator=(FndBox_ const&) = delete;

public:
    FndBox_( SwTableBox* pB, FndLine_* pFL ) :
        pBox(pB), pUpper(pFL), pLineBefore( nullptr ), pLineBehind( nullptr ) {}

    const FndLines_t&   GetLines() const    { return m_Lines; }
        FndLines_t&     GetLines()          { return m_Lines; }
    const SwTableBox*   GetBox() const      { return pBox; }
        SwTableBox*     GetBox()            { return pBox; }
    const FndLine_*     GetUpper() const    { return pUpper; }
        FndLine_*       GetUpper()          { return pUpper; }

    void SetTableLines( const SwSelBoxes &rBoxes, const SwTable &rTable );
    void SetTableLines( const SwTable &rTable );
    //Add an input param to identify if acc table should be disposed
    void DelFrames ( SwTable &rTable );
    void MakeFrames( SwTable &rTable );
    void MakeNewFrames( SwTable &rTable, const sal_uInt16 nNumber,
                                       const bool bBehind );
    bool AreLinesToRestore( const SwTable &rTable ) const;

    void ClearLineBehind() { pLineBehind = nullptr; }
};

class FndLine_
{
    SwTableLine* pLine;
    FndBoxes_t m_Boxes;
    FndBox_* pUpper;

    FndLine_(FndLine_ const&) = delete;
    FndLine_& operator=(FndLine_ const&) = delete;

public:
    FndLine_(SwTableLine* pL, FndBox_* pFB=nullptr) : pLine(pL), pUpper(pFB) {}
    const FndBoxes_t&   GetBoxes() const    { return m_Boxes; }
        FndBoxes_t&     GetBoxes()          { return m_Boxes; }
    const SwTableLine*  GetLine() const     { return pLine; }
        SwTableLine*    GetLine()           { return pLine; }
    const FndBox_*      GetUpper() const    { return pUpper; }
        FndBox_*        GetUpper()          { return pUpper; }

    void SetUpper( FndBox_* pUp ) { pUpper = pUp; }
};

struct FndPara
{
    const SwSelBoxes& rBoxes;
    FndLine_* pFndLine;
    FndBox_* pFndBox;

    FndPara( const SwSelBoxes& rBxs, FndBox_* pFB )
        : rBoxes(rBxs), pFndLine(nullptr), pFndBox(pFB) {}
    FndPara( const FndPara& rPara, FndBox_* pFB )
        : rBoxes(rPara.rBoxes), pFndLine(rPara.pFndLine), pFndBox(pFB) {}
    FndPara( const FndPara& rPara, FndLine_* pFL )
        : rBoxes(rPara.rBoxes), pFndLine(pFL), pFndBox(rPara.pFndBox) {}
};

SW_DLLPUBLIC void ForEach_FndLineCopyCol(SwTableLines& rLines, FndPara* pFndPara );

#endif // INCLUDED_SW_INC_TBLSEL_HXX

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