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/*************************************************************************
*
* $RCSfile: csvruler.hxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: dr $ $Date: 2002-10-22 10:35:46 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
// ============================================================================
#ifndef _SC_CSVRULER_HXX
#define _SC_CSVRULER_HXX
#ifndef _SV_VIRDEV_HXX
#include <vcl/virdev.hxx>
#endif
#ifndef _SC_CSVCONTROL_HXX
#include "csvcontrol.hxx"
#endif
#ifndef _SC_CSVSPLITS_HXX
#include "csvsplits.hxx"
#endif
class ScAccessibleCsvControl;
// ============================================================================
/** 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:
VirtualDevice maBackgrDev; /// Ruler background, scaling.
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.
Rectangle maActiveRect; /// The active area of the ruler.
sal_Int32 mnSplitSize; /// Size of a split circle.
// ------------------------------------------------------------------------
public:
explicit ScCsvRuler( ScCsvControl& rParent );
// common ruler handling --------------------------------------------------
public:
/** Sets position and size of the ruler. The height is calculated internally. */
virtual void SetPosSizePixel(
sal_Int32 nX, sal_Int32 nY,
sal_Int32 nWidth, sal_Int32 nHeight,
sal_uInt16 nFlags = WINDOW_POSSIZE_ALL );
/** 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 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. */
inline const ScCsvSplits& GetSplits() const { return maSplits; }
/** Returns the number of splits. */
inline sal_uInt32 GetSplitCount() const
{ return maSplits.Count(); }
/** Returns the position of the specified split. */
inline 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. */
inline 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 );
// event handling ---------------------------------------------------------
protected:
virtual void Resize();
virtual void GetFocus();
virtual void LoseFocus();
virtual void DataChanged( const DataChangedEvent& rDCEvt );
virtual void MouseButtonDown( const MouseEvent& rMEvt );
virtual void MouseMove( const MouseEvent& rMEvt );
virtual void Tracking( const TrackingEvent& rTEvt );
virtual void KeyInput( const KeyEvent& rKEvt );
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.
@param bApply TRUE = apply action, FALSE = cancel action. */
void EndMouseTracking( bool bApply );
// painting ---------------------------------------------------------------
protected:
virtual void Paint( const Rectangle& );
public:
/** Redraws the entire ruler. */
void ImplRedraw();
private:
/** Returns the width of the control. */
inline sal_Int32 GetWidth() const { return maWinSize.Width(); }
/** Returns the height of the control. */
inline sal_Int32 GetHeight() const { return maWinSize.Height(); }
/** 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 );
/** Draws directly tracking rectangle to the column with the specified index. */
void ImplDrawTrackingRect();
/** Sets arrow or horizontal split pointer. */
void ImplSetMousePointer( sal_Int32 nPos );
// accessibility ----------------------------------------------------------
protected:
/** Creates a new accessible object. */
virtual ScAccessibleCsvControl* ImplCreateAccessible();
};
// ============================================================================
#endif
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