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See the * GNU Lesser General Public License version 3 for more details * (a copy is included in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU Lesser General Public License * version 3 along with OpenOffice.org. If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ // ============================================================================ #ifndef _SC_CSVCONTROL_HXX #define _SC_CSVCONTROL_HXX #include #include "scdllapi.h" #include "global.hxx" #include "address.hxx" #include "csvsplits.hxx" #include class ScAccessibleCsvControl; namespace com { namespace sun { namespace star { namespace accessibility { class XAccessible; } } } } // ============================================================================ /** Minimum character count for a column in separators mode. */ const sal_Int32 CSV_MINCOLWIDTH = 8; /** Maximum length of a cell string. */ const xub_StrLen CSV_MAXSTRLEN = 0x7FFF; /** Transparency for header color of selected columns. */ const sal_uInt16 CSV_HDR_TRANSPARENCY = 85; /** Minimum distance to border for auto scroll. */ const sal_Int32 CSV_SCROLL_DIST = 3; //! TODO make string array dynamic const sal_Int32 CSV_PREVIEW_LINES = 32; // maximum count of preview lines /** Maximum count of columns. */ const sal_Int32 CSV_MAXCOLCOUNT = MAXCOLCOUNT; /** Default column data type. */ const sal_Int32 CSV_TYPE_DEFAULT = 0; /** Multi selection with different types. */ const sal_Int32 CSV_TYPE_MULTI = -1; /** No column selected. */ const sal_Int32 CSV_TYPE_NOSELECTION = -2; // External used column types. const sal_uInt8 SC_COL_STANDARD = 1; const sal_uInt8 SC_COL_TEXT = 2; const sal_uInt8 SC_COL_MDY = 3; const sal_uInt8 SC_COL_DMY = 4; const sal_uInt8 SC_COL_YMD = 5; const sal_uInt8 SC_COL_SKIP = 9; const sal_uInt8 SC_COL_ENGLISH = 10; // ============================================================================ /** Exported data of a column (data used in the dialog). */ struct ScCsvExpData { xub_StrLen mnIndex; /// Index of a column. sal_uInt8 mnType; /// External type of the column. inline ScCsvExpData() : mnIndex( 0 ), mnType( SC_COL_STANDARD ) {} inline ScCsvExpData( xub_StrLen nIndex, sal_uInt8 nType ) : mnIndex( nIndex ), mnType( nType ) {} }; typedef ::std::vector< ScCsvExpData > ScCsvExpDataVec; // ============================================================================ /** Specifies which element should be used to perform an action. */ enum ScMoveMode { MOVE_NONE, /// No action. MOVE_FIRST, /// First element in current context. MOVE_LAST, /// Last element in current context. MOVE_PREV, /// Predecessor of current element in current context. MOVE_NEXT, /// Successor of current element in current context. MOVE_PREVPAGE, /// Previous page relative to current context. MOVE_NEXTPAGE /// Next page relative to current context. }; // ============================================================================ /** Flags for comparison of old and new control layout data. */ typedef sal_uInt32 ScCsvDiff; const ScCsvDiff CSV_DIFF_EQUAL = 0x00000000; const ScCsvDiff CSV_DIFF_POSCOUNT = 0x00000001; const ScCsvDiff CSV_DIFF_POSOFFSET = 0x00000002; const ScCsvDiff CSV_DIFF_HDRWIDTH = 0x00000004; const ScCsvDiff CSV_DIFF_CHARWIDTH = 0x00000008; const ScCsvDiff CSV_DIFF_LINECOUNT = 0x00000010; const ScCsvDiff CSV_DIFF_LINEOFFSET = 0x00000020; const ScCsvDiff CSV_DIFF_HDRHEIGHT = 0x00000040; const ScCsvDiff CSV_DIFF_LINEHEIGHT = 0x00000080; const ScCsvDiff CSV_DIFF_RULERCURSOR = 0x00000100; const ScCsvDiff CSV_DIFF_GRIDCURSOR = 0x00000200; const ScCsvDiff CSV_DIFF_HORIZONTAL = CSV_DIFF_POSCOUNT | CSV_DIFF_POSOFFSET | CSV_DIFF_HDRWIDTH | CSV_DIFF_CHARWIDTH; const ScCsvDiff CSV_DIFF_VERTICAL = CSV_DIFF_LINECOUNT | CSV_DIFF_LINEOFFSET | CSV_DIFF_HDRHEIGHT | CSV_DIFF_LINEHEIGHT; const ScCsvDiff CSV_DIFF_CURSOR = CSV_DIFF_RULERCURSOR | CSV_DIFF_GRIDCURSOR; // ---------------------------------------------------------------------------- /** A structure containing all layout data valid for both ruler and data grid (i.e. scroll position or column width). */ struct ScCsvLayoutData { // horizontal settings sal_Int32 mnPosCount; /// Number of positions. sal_Int32 mnPosOffset; /// Horizontal scroll offset. sal_Int32 mnWinWidth; /// Width of ruler and data grid. sal_Int32 mnHdrWidth; /// Width of the header column. sal_Int32 mnCharWidth; /// Pixel width of one character. // vertical settings sal_Int32 mnLineCount; /// Number of data lines. sal_Int32 mnLineOffset; /// Index of first visible line (0-based). sal_Int32 mnWinHeight; /// Height of entire data grid (incl. header). sal_Int32 mnHdrHeight; /// Height of the header line. sal_Int32 mnLineHeight; /// Height of a data line. // cursor settings sal_Int32 mnPosCursor; /// Position of ruler cursor. sal_Int32 mnColCursor; /// Position of grid column cursor. mutable sal_Int32 mnNoRepaint; /// >0 = no repaint. bool mbAppRTL; /// true = application in RTL mode. explicit ScCsvLayoutData(); /** Returns differences to rData. @descr For each difference the appropriate bit is set in the returned value. */ ScCsvDiff GetDiff( const ScCsvLayoutData& rData ) const; }; inline bool operator==( const ScCsvLayoutData& rData1, const ScCsvLayoutData& rData2 ) { return rData1.GetDiff( rData2 ) == CSV_DIFF_EQUAL; } inline bool operator!=( const ScCsvLayoutData& rData1, const ScCsvLayoutData& rData2 ) { return !(rData1 == rData2); } // ============================================================================ /** Enumeration of possible commands to change any settings of the CSV controls. @descr Controls have to send commands instead of changing their settings directly. This helps to keep the different controls consistent to each other. A command can contain 0 to 2 sal_Int32 parameters. In the description of each command the required parameters are swown in brackets. [-] means no parameter. */ enum ScCsvCmdType { // misc CSVCMD_NONE, /// No command. [-] CSVCMD_REPAINT, /// Repaint all controls. [-] // modify horizontal dimensions CSVCMD_SETPOSCOUNT, /// Change position/column count. [character count] CSVCMD_SETPOSOFFSET, /// Change position offset (scroll pos). [position] CSVCMD_SETHDRWIDTH, /// Change width of the header column. [width in pixel] CSVCMD_SETCHARWIDTH, /// Change character pixel width. [width in pixel] // modify vertical dimensions CSVCMD_SETLINECOUNT, /// Change number of data lines. [line count] CSVCMD_SETLINEOFFSET, /// Change first visible line. [line index] CSVCMD_SETHDRHEIGHT, /// Change height of top header line. [height in pixel] CSVCMD_SETLINEHEIGHT, /// Change data line pixel height. [height in pixel} // cursors/positions CSVCMD_MOVERULERCURSOR, /// Move ruler cursor to new position. [position] CSVCMD_MOVEGRIDCURSOR, /// Move data grid cursor to new column. [position] CSVCMD_MAKEPOSVISIBLE, /// Move to make passed position visible (for mouse tracking). [position] // table contents CSVCMD_NEWCELLTEXTS, /// Recalculate splits and cell texts. [-] CSVCMD_UPDATECELLTEXTS, /// Update cell texts with current split settings. [-] CSVCMD_SETCOLUMNTYPE, /// Change data type of selected columns. [column type] CSVCMD_EXPORTCOLUMNTYPE, /// Send selected column type to external controls. [-] CSVCMD_SETFIRSTIMPORTLINE, /// Set number of first imported line. [line index] // splits CSVCMD_INSERTSPLIT, /// Insert a split. [position] CSVCMD_REMOVESPLIT, /// Remove a split. [position] CSVCMD_TOGGLESPLIT, /// Inserts or removes a split. [position] CSVCMD_MOVESPLIT, /// Move a split. [old position, new position] CSVCMD_REMOVEALLSPLITS /// Remove all splits. [-] }; // ---------------------------------------------------------------------------- /** Data for a CSV control command. The stored position data is aways character based, it's never a column index (required for internal consistency). */ class ScCsvCmd { private: ScCsvCmdType meType; /// The command. sal_Int32 mnParam1; /// First parameter. sal_Int32 mnParam2; /// Second parameter. public: inline explicit ScCsvCmd() : meType( CSVCMD_NONE ), mnParam1( CSV_POS_INVALID ), mnParam2( CSV_POS_INVALID ) {} inline void Set( ScCsvCmdType eType, sal_Int32 nParam1, sal_Int32 nParam2 ); inline ScCsvCmdType GetType() const { return meType; } inline sal_Int32 GetParam1() const { return mnParam1; } inline sal_Int32 GetParam2() const { return mnParam2; } }; inline void ScCsvCmd::Set( ScCsvCmdType eType, sal_Int32 nParam1, sal_Int32 nParam2 ) { meType = eType; mnParam1 = nParam1; mnParam2 = nParam2; } // ============================================================================ /** Base class for the CSV ruler and the data grid control. Implements command handling. */ class SC_DLLPUBLIC ScCsvControl : public Control { protected: typedef ::std::vector< String > StringVec; typedef ::std::vector< StringVec > StringVecVec; typedef ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > XAccessibleRef; private: Link maCmdHdl; /// External command handler. ScCsvCmd maCmd; /// Data of last command. const ScCsvLayoutData& mrData; /// Shared layout data. XAccessibleRef mxAccessible; /// The accessible object of the control. ScAccessibleCsvControl* mpAccessible; /// Pointer to the accessible implementation object. bool mbValidGfx; /// Content of virtual devices valid? // ------------------------------------------------------------------------ public: explicit ScCsvControl( ScCsvControl& rParent ); explicit ScCsvControl( Window* pParent, const ScCsvLayoutData& rData, WinBits nStyle = 0 ); explicit ScCsvControl( Window* pParent, const ScCsvLayoutData& rData, const ResId& rResId ); virtual ~ScCsvControl(); // event handling --------------------------------------------------------- virtual void GetFocus(); virtual void LoseFocus(); /** Sends a GetFocus or LoseFocus event to the accessibility object. */ void AccSendFocusEvent( bool bFocused ); /** Sends a caret changed event to the accessibility object. */ void AccSendCaretEvent(); /** Sends a visible area changed event to the accessibility object. */ void AccSendVisibleEvent(); /** Sends a selection changed event to the accessibility object. */ void AccSendSelectionEvent(); /** Sends a table model changed event for changed cell contents to the accessibility object. */ void AccSendTableUpdateEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn, bool bAllRows = true ); /** Sends a table model changed event for an inserted column to the accessibility object. */ void AccSendInsertColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn ); /** Sends a table model changed event for a removed column to the accessibility object. */ void AccSendRemoveColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn ); // repaint helpers -------------------------------------------------------- /** Sets the graphic invalid (next Redraw() will not use cached graphic). */ inline void InvalidateGfx() { mbValidGfx = false; } /** Sets the graphic valid (next Redraw() will use cached graphic). */ inline void ValidateGfx() { mbValidGfx = true; } /** Returns true, if cached graphic is valid. */ inline bool IsValidGfx() const { return mbValidGfx; } /** Repaints all controls. @param bInvalidate true = invalidates graphics of this control (not all). */ void Repaint( bool bInvalidate = false ); /** Increases no-repaint counter (controls do not repaint until the last EnableRepaint()). */ void DisableRepaint(); /** Decreases no-repaint counter and repaints if counter reaches 0. @param bInvalidate true = invalidates graphics of this control (not all). */ void EnableRepaint( bool bInvalidate = false ); /** Returns true, if controls will not repaint. */ inline bool IsNoRepaint() const { return mrData.mnNoRepaint > 0; } // command handling ------------------------------------------------------- /** Sets a new command handler. */ inline void SetCmdHdl( const Link& rHdl ) { maCmdHdl = rHdl; } /** Returns the current command handler. */ inline const Link& GetCmdHdl() const { return maCmdHdl; } /** Returns data of the last command. */ inline const ScCsvCmd& GetCmd() const { return maCmd; } /** Executes a command by calling command handler. */ void Execute( ScCsvCmdType eType, sal_Int32 nParam1 = CSV_POS_INVALID, sal_Int32 nParam2 = CSV_POS_INVALID ); // layout helpers --------------------------------------------------------- /** Returns a reference to the current layout data. */ inline const ScCsvLayoutData& GetLayoutData() const { return mrData; } /** Returns true, if the Right-to-Left layout mode is active. */ inline bool IsRTL() const { return mrData.mbAppRTL; } /** Returns the number of available positions. */ inline sal_Int32 GetPosCount() const { return mrData.mnPosCount; } /** Returns the number of visible positions. */ sal_Int32 GetVisPosCount() const; /** Returns the first visible position. */ inline sal_Int32 GetFirstVisPos() const { return mrData.mnPosOffset; } /** Returns the last visible position. */ inline sal_Int32 GetLastVisPos() const { return GetFirstVisPos() + GetVisPosCount(); } /** Returns highest possible position for first visible character. */ sal_Int32 GetMaxPosOffset() const; /** Returns true, if it is allowed to set a split at nPos. */ bool IsValidSplitPos( sal_Int32 nPos ) const; /** Returns true, if nPos is an allowed AND visible split position. */ bool IsVisibleSplitPos( sal_Int32 nPos ) const; /** Returns the width of the header column. */ inline sal_Int32 GetHdrWidth() const { return mrData.mnHdrWidth; } /** Returns the width of one character column. */ inline sal_Int32 GetCharWidth() const { return mrData.mnCharWidth; } /** Returns the start position of the header column. */ sal_Int32 GetHdrX() const; /** Returns the X position of the first pixel of the data area. */ sal_Int32 GetFirstX() const; /** Returns the X position of the last pixel of the data area. */ sal_Int32 GetLastX() const; /** Returns output X coordinate of the specified position. */ sal_Int32 GetX( sal_Int32 nPos ) const; /** Returns position from output coordinate. */ sal_Int32 GetPosFromX( sal_Int32 nX ) const; /** Returns the number of data lines. */ inline sal_Int32 GetLineCount() const { return mrData.mnLineCount; } /** Returns the number of visible lines (including partly visible bottom line). */ sal_Int32 GetVisLineCount() const; /** Returns index of first visible line. */ inline sal_Int32 GetFirstVisLine() const { return mrData.mnLineOffset; } /** Returns index of last visible line. */ sal_Int32 GetLastVisLine() const; /** Returns highest possible index for first line. */ sal_Int32 GetMaxLineOffset() const; /** Returns true, if nLine is a valid line index. */ bool IsValidLine( sal_Int32 nLine ) const; /** Returns true, if nLine is a valid and visible line index. */ bool IsVisibleLine( sal_Int32 nLine ) const; /** Returns the height of the header line. */ inline sal_Int32 GetHdrHeight() const { return mrData.mnHdrHeight; } /** Returns the height of one line. */ inline sal_Int32 GetLineHeight() const { return mrData.mnLineHeight; } /** Returns output Y coordinate of the specified line. */ sal_Int32 GetY( sal_Int32 nLine ) const; /** Returns line index from output coordinate. */ sal_Int32 GetLineFromY( sal_Int32 nY ) const; /** Returns the ruler cursor position. */ inline sal_Int32 GetRulerCursorPos() const { return mrData.mnPosCursor; } /** Returns the data grid cursor position (not column index!). */ inline sal_Int32 GetGridCursorPos() const { return mrData.mnColCursor; } // static helpers --------------------------------------------------------- /** Inverts a rectangle in the specified output device. */ static void ImplInvertRect( OutputDevice& rOutDev, const Rectangle& rRect ); /** Returns direction code for the keys LEFT, RIGHT, HOME, END. @param bHomeEnd false = ignore HOME and END key. */ static ScMoveMode GetHorzDirection( sal_uInt16 nCode, bool bHomeEnd ); /** Returns direction code for the keys UP, DOWN, HOME, END, PAGE UP, PAGE DOWN. @param bHomeEnd false = ignore HOME and END key. */ static ScMoveMode GetVertDirection( sal_uInt16 nCode, bool bHomeEnd ); // accessibility ---------------------------------------------------------- public: /** Creates and returns the accessible object of this control. Do not overwrite in derived classes, use ImplCreateAccessible() instead. */ virtual XAccessibleRef CreateAccessible(); protected: /** Derived classes create a new accessible object here. */ virtual ScAccessibleCsvControl* ImplCreateAccessible() = 0; }; // ============================================================================ #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */