/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 *************************************************************/


// ============================================================================

#ifndef _SC_CSVTABLEBOX_HXX
#define _SC_CSVTABLEBOX_HXX

#include <vcl/ctrl.hxx>
#include <vcl/scrbar.hxx>
#include "scdllapi.h"
#include "csvcontrol.hxx"
#include "csvruler.hxx"
#include "csvgrid.hxx"


class ListBox;
class ScAsciiOptions;


/* ============================================================================
Position: Positions between the characters (the dots in the ruler).
Character: The characters (the range from one position to the next).
Split: Positions which contain a split to divide characters into groups (columns).
Column: The range between two splits.
============================================================================ */

/** The control in the CSV import dialog that contains a ruler and a data grid
    to visualize and modify the current import settings. */
class SC_DLLPUBLIC ScCsvTableBox : public ScCsvControl
{
private:
    ScCsvLayoutData             maData;             /// Current layout data of the controls.

    ScCsvRuler                  maRuler;            /// The ruler for fixed width mode.
    ScCsvGrid                   maGrid;             /// Calc-like data table for fixed width mode.
    ScrollBar                   maHScroll;          /// Horizontal scroll bar.
    ScrollBar                   maVScroll;          /// Vertical scroll bar.
    ScrollBarBox                maScrollBox;        /// For the bottom right edge.

    Link                        maUpdateTextHdl;    /// Updates all cell texts.
    Link                        maColTypeHdl;       /// Handler for exporting the column type.

    ScCsvColStateVec            maFixColStates;     /// Column states in fixed width mode.
    ScCsvColStateVec            maSepColStates;     /// Column states in separators mode.

    sal_Int32                   mnFixedWidth;       /// Cached total width for fixed width mode.

    bool                        mbFixedMode;        /// false = Separators, true = Fixed width.

    // ------------------------------------------------------------------------
public:
//UNUSED2009-05 explicit                    ScCsvTableBox( Window* pParent );
    explicit                    ScCsvTableBox( Window* pParent, const ResId& rResId );

    // common table box handling ----------------------------------------------
public:
    /** Sets the control to separators mode. */
    void                        SetSeparatorsMode();
    /** Sets the control to fixed width mode. */
    void                        SetFixedWidthMode();

private:
    /** Initialisation on construction. */
    SC_DLLPRIVATE void                        Init();
    /** Initializes the children controls (pos/size, scroll bars, ...). */
    SC_DLLPRIVATE void                        InitControls();
    /** Initializes size and position data of horizontal scrollbar. */
    SC_DLLPRIVATE void                        InitHScrollBar();
    /** Initializes size and position data of vertical scrollbar. */
    SC_DLLPRIVATE void                        InitVScrollBar();

    /** Calculates and sets valid position offset nearest to nPos. */
    SC_DLLPRIVATE inline void                 ImplSetPosOffset( sal_Int32 nPos )
                                    { maData.mnPosOffset = Max( Min( nPos, GetMaxPosOffset() ), sal_Int32( 0 ) ); }
    /** Calculates and sets valid line offset nearest to nLine. */
    SC_DLLPRIVATE inline void                 ImplSetLineOffset( sal_Int32 nLine )
                                    { maData.mnLineOffset = Max( Min( nLine, GetMaxLineOffset() ), sal_Int32( 0 ) ); }
    /** Moves controls (not cursors!) so that nPos becomes visible. */
    SC_DLLPRIVATE void                        MakePosVisible( sal_Int32 nPos );

    // cell contents ----------------------------------------------------------
public:
    /** Fills all cells of all lines with the passed texts (Unicode strings). */
    void                        SetUniStrings(
                                    const String* pTextLines, const String& rSepChars,
                                    sal_Unicode cTextSep, bool bMergeSep );
//UNUSED2009-05 /** Fills all cells of all lines with the passed texts (ByteStrings). */
//UNUSED2009-05 void                        SetByteStrings(
//UNUSED2009-05                                 const ByteString* pLineTexts, CharSet eCharSet,
//UNUSED2009-05                                 const String& rSepChars, sal_Unicode cTextSep, bool bMergeSep );

    // column settings --------------------------------------------------------
public:
    /** Reads UI strings for data types from the list box. */
    void                        InitTypes( const ListBox& rListBox );
    /** Returns the data type of the selected columns. */
    inline sal_Int32            GetSelColumnType() const { return maGrid.GetSelColumnType(); }

    /** Fills the options object with current column data. */
    void                        FillColumnData( ScAsciiOptions& rOptions ) const;

    // event handling ---------------------------------------------------------
public:
    /** Sets a new handler for "update cell texts" requests. */
    inline void                 SetUpdateTextHdl( const Link& rHdl ) { maUpdateTextHdl = rHdl; }
    /** Returns the handler for "update cell texts" requests. */
    inline const Link&          GetUpdateTextHdl() const { return maUpdateTextHdl; }
    /** Sets a new handler for "column selection changed" events. */
    inline void                 SetColTypeHdl( const Link& rHdl ) { maColTypeHdl = rHdl; }
    /** Returns the handler for "column selection changed" events. */
    inline const Link&          GetColTypeHdl() const { return maColTypeHdl; }

protected:
    virtual void                Resize();
    virtual void                DataChanged( const DataChangedEvent& rDCEvt );

private:
    SC_DLLPRIVATE              DECL_LINK( CsvCmdHdl, ScCsvControl* );
    SC_DLLPRIVATE              DECL_LINK( ScrollHdl, ScrollBar* );
    SC_DLLPRIVATE              DECL_LINK( ScrollEndHdl, ScrollBar* );

    // accessibility ----------------------------------------------------------
public:
    /** Creates and returns the accessible object of this control. */
    virtual XAccessibleRef      CreateAccessible();

protected:
    /** Creates a new accessible object. */
    virtual ScAccessibleCsvControl* ImplCreateAccessible();
};


// ============================================================================

#endif