ap_Dialog_Columns.h

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/* AbiWord
 * Copyright (C) 1998 AbiSource, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef AP_Dialog_Columns_H
#define AP_Dialog_Columns_H

#include "xap_Frame.h"
#include "xap_Dialog.h"
#include "fv_View.h"
#include "pd_Document.h"


class XAP_Frame;
class AP_Dialog_Columns;

#include "xap_Preview.h"

// this is needed to get the ruler units.
#include "ap_StatusBar.h"
#include "ut_units.h"


class ABI_EXPORT AP_Columns_preview_drawer
{
public:

    void            draw(GR_Graphics *gc, UT_Rect &rect, UT_sint32 iColumns, bool bLines, double maxHeightPercent, double SpaceAfterPercent);
};

class ABI_EXPORT AP_Columns_preview : public XAP_Preview
{
public:

    AP_Columns_preview(GR_Graphics * gc, AP_Dialog_Columns * pColumns);
    virtual ~AP_Columns_preview(void);

    // data twiddlers
    void            draw(const UT_Rect *clip=NULL);

    void            set(UT_uint32 iColumns, bool bLines)
                    {
                        m_iColumns = iColumns;
                        m_bLineBetween = bLines;
                        draw();
                    }

private:
    AP_Columns_preview_drawer   m_previewDrawer;
    AP_Dialog_Columns *  m_pColumns;
protected:

    UT_uint32       m_iColumns;
    bool            m_bLineBetween;

};

class ABI_EXPORT AP_Dialog_Columns : public XAP_Dialog_NonPersistent
{
public:
    AP_Dialog_Columns(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id);
    virtual ~AP_Dialog_Columns(void);

    virtual void                    runModal(XAP_Frame * pFrame) = 0;
    virtual void                    enableLineBetweenControl(bool bState = true) = 0;


    void                            setColumns(UT_uint32 iColumns);

    typedef enum { a_OK, a_CANCEL } tAnswer;
    AP_Dialog_Columns::tAnswer getAnswer(void) const;
    UT_uint32          getColumns(void) const {return m_iColumns;}

    void               setLineBetween(bool bState);
    bool               getLineBetween(void) const { return m_bLineBetween;}
    double             getMaxHeightPercent(void);
    double             getSpaceAfterPercent(void);
    void               setColumnOrder(UT_uint32 iOrder);
    UT_uint32          getColumnOrder(void) const {return m_iColumnOrder;}
    const char *       getHeightString(void);
    const char *       getSpaceAfterString(void);
    bool               isSpaceAfterChanged(void) const {return m_bSpaceAfterChanged;}
    bool               isMaxHeightChanged(void) const {return m_bMaxHeightChanged;}

protected:
    void               _createPreviewFromGC(GR_Graphics * gc,
                            UT_uint32 width,
                            UT_uint32 height);
    void               _drawColumnButton(GR_Graphics *gc, UT_Rect rect, UT_uint32 iColumns);
    void            _convertToPreferredUnits(XAP_Frame * pFrame,const
    char *sz, gchar * pRet);
    AP_Dialog_Columns::tAnswer m_answer;
    AP_Columns_preview *       m_pColumnsPreview;
    AP_Columns_preview_drawer  m_previewDrawer;
    void                       incrementMaxHeight(bool bIncrement);
    void                       incrementSpaceAfter(bool bIncrement);
    double                     getIncrement(const char * sz);
    void                       setViewAndDoc(XAP_Frame * pFrame);
    double                     getPageWidth(void);
    double                     getPageHeight(void);
    void                       setMaxHeight( const char * szHeight);
    void                       setSpaceAfter( const char * szAfter);
private:

    UT_uint32                  m_iColumns;
    bool                       m_bLineBetween;
    UT_uint32                  m_iColumnOrder;
    UT_String                  m_HeightString;
    UT_String                  m_SpaceAfterString;
    PD_Document *              m_pDoc;
    FV_View *                  m_pView;
    bool                       m_bSpaceAfterChanged;
    bool                       m_bMaxHeightChanged;
    double                     m_dMarginTop;
    double                     m_dMarginBottom;
    double                     m_dMarginLeft;
    double                     m_dMarginRight;
};

#endif /* AP_Dialog_Columns_H */