/** A ruler control for the CSV import dialog. Supports setting and moving
splits (which divide lines of data into several columns). */ class ScCsvRuler : public ScCsvControl
{ private:
ScCsvTableBox* mpTableBox; /// Grid Parent
ScopedVclPtrInstance<VirtualDevice> maBackgrDev;/// Ruler background, scaling.
ScopedVclPtrInstance<VirtualDevice> maRulerDev; /// Ruler with splits and cursor.
Color maBackColor; /// Background color.
Color maActiveColor; /// Color for active part of ruler.
Color maTextColor; /// Text and scale color.
Color maSplitColor; /// Split area color.
ScCsvSplits maSplits; /// Vector with split positions.
ScCsvSplits maOldSplits; /// Old state for cancellation.
sal_Int32 mnPosCursorLast; /// Last valid position of cursor.
sal_Int32 mnPosMTStart; /// Start position of mouse tracking.
sal_Int32 mnPosMTCurr; /// Current position of mouse tracking. bool mbPosMTMoved; /// Tracking: Anytime moved to another position?
Size maWinSize; /// Size of the control.
tools::Rectangle maActiveRect; /// The active area of the ruler.
sal_Int32 mnSplitSize; /// Size of a split circle. bool mbTracking; /// If currently mouse tracking
// common ruler handling -------------------------------------------------- public: /** Apply current layout data to the ruler. */ void ApplyLayout( const ScCsvLayoutData& rOldData );
private: /** Reads colors from system settings. */ void InitColors(); /** Initializes all data dependent from the control's size. */ void InitSizeData();
/** Moves cursor to a new position.
@param bScroll sal_True = The method may scroll the ruler. */ void MoveCursor( sal_Int32 nPos, bool bScroll = true ); /** Moves cursor to the given direction. */ void MoveCursorRel( ScMoveMode eDir ); /** Sets cursor to an existing split, according to eDir. */ void MoveCursorToSplit( ScMoveMode eDir ); /** Scrolls data grid vertically. */ void ScrollVertRel( ScMoveMode eDir );
// split handling --------------------------------------------------------- public: /** Returns the split array. */ const ScCsvSplits& GetSplits() const { return maSplits; } /** Returns the number of splits. */
sal_uInt32 GetSplitCount() const
{ return maSplits.Count(); } /** Returns the position of the specified split. */
sal_Int32 GetSplitPos( sal_uInt32 nIndex ) const
{ return maSplits[ nIndex ]; } /** Finds a position nearest to nPos which does not cause scrolling the visible area. */
sal_Int32 GetNoScrollPos( sal_Int32 nPos ) const;
/** Returns true if at position nPos is a split. */ bool HasSplit( sal_Int32 nPos ) const { return maSplits.HasSplit( nPos ); } /** Inserts a split. */ void InsertSplit( sal_Int32 nPos ); /** Removes a split. */ void RemoveSplit( sal_Int32 nPos ); /** Moves a split from nPos to nNewPos. */ void MoveSplit( sal_Int32 nPos, sal_Int32 nNewPos ); /** Removes all splits of the ruler. */ void RemoveAllSplits();
private: /** Finds next position without a split. */
sal_Int32 FindEmptyPos( sal_Int32 nPos, ScMoveMode eDir ) const;
/** Moves split and cursor to nNewPos and commits event. */ void MoveCurrSplit( sal_Int32 nNewPos ); /** Moves split and cursor to the given direction and commits event. */ void MoveCurrSplitRel( ScMoveMode eDir );
private: /** Starts tracking at the specified position. */ void StartMouseTracking( sal_Int32 nPos ); /** Moves tracking to a new position. */ void MoveMouseTracking( sal_Int32 nPos ); /** Applies tracking action for the current tracking position */ void EndMouseTracking();
public: /** Redraws the entire ruler. */ void ImplRedraw(vcl::RenderContext& rRenderContext);
private: /** Returns the width of the control. */
sal_Int32 GetWidth() const { return maWinSize.Width(); } /** Returns the height of the control. */
sal_Int32 GetHeight() const { return maWinSize.Height(); } /** Update the split size depending on the last width set by CSVCMD_SETCHARWIDTH */ void UpdateSplitSize();
/** Draws the background and active area to maBackgrDev (only the given X range). */ void ImplDrawArea( sal_Int32 nPosX, sal_Int32 nWidth ); /** Draws the entire ruler background with scaling to maBackgrDev. */ void ImplDrawBackgrDev();
/** Draws a split to maRulerDev. */ void ImplDrawSplit( sal_Int32 nPos ); /** Erases a split from maRulerDev. */ void ImplEraseSplit( sal_Int32 nPos ); /** Draws the ruler background, all splits and the cursor to maRulerDev. */ void ImplDrawRulerDev();
/** Inverts the cursor bar at the specified position in maRulerDev. */ void ImplInvertCursor( sal_Int32 nPos );
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