impexpop.h

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// $Id: impexpop.h 1688 2006-08-10 12:05:20Z gerry $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
       Copyright on certain contributions may be held in joint with their
              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

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=================================XARAHEADEREND============================
 */

// The operations for importing and exporting using the filter system.

#ifndef INC_IMPORTEXPORTOP
#define INC_IMPORTEXPORTOP

//#include "filters.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "selop.h" - in camtypes.h [AUTOMATICALLY REMOVED]
//#include "bmpsdlg.h"

// These used to be are OILy as they used to invoke common dialogs etc
// and hence used to be in OilFltrs.h/cpp
// Moved to new kernel based impexpop.h/cpp 4/1/96 as there is now a class, BaseFileDialog
// and derived classes which handle all of the OILy based common dialog functionality

class BmpDlgParam;
class PathName;


/********************************************************************************************

>   class OpMenuImport : public SelOperation

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    08/03/94
    Purpose:    Pops up a common dialog to allow the user to import a file into Camelot
                using any of the available import filters.
    SeeAlso:    OpMenuExport; OpDroppedFile

********************************************************************************************/

// Operation token for the OpMenuImport class
#define OPTOKEN_MENUIMPORT  _T("Import")

class OpMenuImport : public SelOperation
{
    CC_DECLARE_DYNCREATE(OpMenuImport)

public:
    OpMenuImport();

    void Do(OpDescriptor*);

    static BOOL Init();
    static OpState GetState(String_256*, OpDescriptor*);
    void DoImport(PathName Path, Filter* pFilter, String_256* URL, ImportPosition* pImportPosition=NULL);
    void EndImport();

    virtual BOOL OnDocChangingMsg(Document* pChangingDoc, DocChangingMsg::DocState State);

    // Karim 21/01/2000 - see UndoableOperation base implementation.
    virtual BOOL MayChangeNodeBounds() const { return FALSE; }

private:
    TCHAR *FilterString;
    static UINT32 SelectedFilterID;
    static INT32 SelectedFilter;


public:
    // The preference for the import path
    static String_256 DefaultImportFilterPath;
};



/********************************************************************************************
>   class BitmapExportParam : public OpParam

    Author:     Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
    Created:    11/6/96
    Purpose:    Passes infomation about bitmap(s) to export
    SeeAlso:    OpParam
********************************************************************************************/

class BitmapExportParam : public OpParam
{
    CC_DECLARE_DYNAMIC(BitmapExportParam);

public:
    BitmapExportParam();
    BitmapExportParam(UINT32 Count, KernelBitmap** pBitmap, BmpDlgParam* pParam);
    BmpDlgParam* GetBmpDlgParam()   { return m_pBmpDlgParam; }
    BOOL SetBmpDlgParam (BmpDlgParam* pParam);

    // Access functions with helpful checking
    virtual UINT32 GetBitmapCount();
    virtual KernelBitmap* GetBitmap(UINT32 Index);

    // We cannot store layers but this removes IS_KIND_OFs when using GIFAnimationExportParam
    virtual Layer * GetLayer(UINT32 Index) { return NULL; }
    virtual UINT32 GetLayerCount() { return 0; }

protected:
    BmpDlgParam* m_pBmpDlgParam;
};



/********************************************************************************************

>   class OpMenuExport : public Operation

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    08/03/94
    Purpose:    Pops up a common dialog to allow theuser to export a file from Camelot
                using any of the available import filters.
    SeeAlso:    OpMenuImport; OpDroppedFile

********************************************************************************************/

// Operation token for the OpMenuExport class
#define OPTOKEN_MENUEXPORT  _T("Export")

class OpMenuExport : public SelOperation
{
public:
    void Do(OpDescriptor*);
    void DoWithParam(OpDescriptor*, OpParam*);

    static BOOL Init();
    static OpState GetState(String_256*, OpDescriptor*);

    static void SaveSelection();
    static void NormaliseSelection();
    static void RestoreSelection();

protected:
    void CreateNamedSet(Filter* pFilter, const PathName& pthTarget);
    BOOL SetBitmapName(KernelBitmap* pTheBitmap, String_256* DefaultName,   
                       BitmapExportParam* pExportParam = 0);

public:
    // The preference for the export path
    static String_256 DefaultExportFilterPath;

private:
    TCHAR* FilterString;

    static UINT32 SelectedFilterID;
    static INT32 SelectedFilter;
    static UINT32 DefaultBitmapFilterID;
    static INT32 SelectedBitmapFilter;
    static List* m_pSelNodeList;

    CC_DECLARE_DYNCREATE(OpMenuExport);
};



class FileDropInfo
{
public:
    FileDropInfo() {}
    FileDropInfo(WinCoord Point)
    {
        m_DropPoint = Point;
    }

    ~FileDropInfo()
    {
        m_FileList.DeleteAll();
    }

    WinCoord GetDropPoint() { return(m_DropPoint); }
    List* GetFileList() { return(&m_FileList); }

protected:
    List m_FileList;
    WinCoord m_DropPoint;
};




/********************************************************************************************

>   class OpDroppedFile : public Operation

    Author:     Tim_Browse (Xara Group Ltd) <camelotdev@xara.com>
    Created:    08/03/94
    Purpose:    Responds to the user dragging and dropping a file onto Camelot - it 
                attempts to deduce which import filter should be used to load the file.
                If for any reason it cannot work out which filter to use, a dialog is
                popped up to allow the user to select the filter they want to use.
    SeeAlso:    OpMenuImport; OpMenuExport

********************************************************************************************/

// Operation token for the OpDroppedFile class
#define OPTOKEN_DROPPEDFILE _T("DroppedFile")

class OpDroppedFile : public SelOperation
{
    CC_DECLARE_DYNCREATE(OpDroppedFile)

public:
    void DoWithParam(OpDescriptor*, OpParam*);

    static BOOL Init();
    static OpState GetState(String_256*, OpDescriptor*);

    // Karim 21/01/2000 - see UndoableOperation base implementation.
    virtual BOOL MayChangeNodeBounds() const    { return FALSE; }
};

#endif // !INC_IMPORTEXPORTOP

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