QueryDesignFieldUndoAct.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#pragma once
 
#include <GeneralUndo.hxx>
#include <strings.hrc>
#include "SelectionBrowseBox.hxx"
#include <osl/diagnose.h>
 
namespace dbaui
{
   // OQueryDesignFieldUndoAct - Basisclass for undo's in the fieldlist of a query design
 
    class OQueryDesignFieldUndoAct : public OCommentUndoAction
    {
    protected:
        VclPtr<OSelectionBrowseBox>    pOwner;
        sal_uInt16                  m_nColumnPosition;
 
        virtual void    Undo() override = 0;
        virtual void    Redo() override = 0;
 
    public:
        OQueryDesignFieldUndoAct(OSelectionBrowseBox* pSelBrwBox, TranslateId pCommentID);
        virtual ~OQueryDesignFieldUndoAct() override;
 
        void SetColumnPosition(sal_uInt16 _nColumnPosition)
        {
            m_nColumnPosition = _nColumnPosition;
            OSL_ENSURE(m_nColumnPosition != BROWSER_INVALIDID,"Column position was not set add the undo action!");
            OSL_ENSURE(m_nColumnPosition < pOwner->GetColumnCount(),"Position outside the column count!");
        }
    };
 
    // OTabFieldCellModifiedUndoAct - undo class to change a line of the column description
 
    class OTabFieldCellModifiedUndoAct final : public OQueryDesignFieldUndoAct
    {
        OUString    m_strNextCellContents;
        sal_Int32   m_nCellIndex;
 
    public:
        explicit OTabFieldCellModifiedUndoAct(OSelectionBrowseBox* pSelBrwBox)
            : OQueryDesignFieldUndoAct(pSelBrwBox, STR_QUERY_UNDO_MODIFY_CELL)
            ,m_nCellIndex(BROWSER_INVALIDID){ }
 
        void SetCellContents(const OUString& str)  { m_strNextCellContents = str; }
        void SetCellIndex(sal_Int32 nIndex)      { m_nCellIndex = nIndex; }
 
        virtual void Undo() override;
        virtual void Redo() override { Undo(); }
    };
 
    // OTabFieldSizedUndoAct - undo class to change the column width
 
    class OTabFieldSizedUndoAct final : public OQueryDesignFieldUndoAct
    {
        tools::Long        m_nNextWidth;
 
    public:
        explicit OTabFieldSizedUndoAct(OSelectionBrowseBox* pSelBrwBox) : OQueryDesignFieldUndoAct(pSelBrwBox, STR_QUERY_UNDO_SIZE_COLUMN), m_nNextWidth(0) { }
 
        void SetOriginalWidth(tools::Long nWidth) { m_nNextWidth = nWidth; }
 
        virtual void Undo() override;
        virtual void Redo() override { Undo(); }
    };
 
    // OTabFieldUndoAct - base class for undos in the fieldlist of a query design, which are used to change complete field descriptions
 
    class OTabFieldUndoAct : public OQueryDesignFieldUndoAct
    {
    protected:
        OTableFieldDescRef      pDescr;     // the deleted column description
 
    public:
        OTabFieldUndoAct(OSelectionBrowseBox* pSelBrwBox, TranslateId pCommentID) : OQueryDesignFieldUndoAct(pSelBrwBox, pCommentID) { }
 
        void SetTabFieldDescr(OTableFieldDescRef const & pDescription) { pDescr = pDescription; }
    };
 
    // OTabFieldDelUndoAct - undo class to delete a field
 
    class OTabFieldDelUndoAct : public OTabFieldUndoAct
    {
    protected:
        virtual void Undo() override { pOwner->EnterUndoMode();pOwner->InsertColumn(pDescr, m_nColumnPosition);pOwner->LeaveUndoMode(); }
        virtual void Redo() override { pOwner->EnterUndoMode();pOwner->RemoveColumn(pDescr->GetColumnId());pOwner->LeaveUndoMode(); }
 
    public:
        explicit OTabFieldDelUndoAct(OSelectionBrowseBox* pSelBrwBox) : OTabFieldUndoAct(pSelBrwBox, STR_QUERY_UNDO_TABFIELDDELETE) { }
    };
 
    // OTabFieldCreateUndoAct - undo class for creating a field
 
    class OTabFieldCreateUndoAct : public OTabFieldUndoAct
    {
    protected:
        virtual void Undo() override { pOwner->EnterUndoMode();pOwner->RemoveColumn(pDescr->GetColumnId());pOwner->LeaveUndoMode();}
        virtual void Redo() override { pOwner->EnterUndoMode();pOwner->InsertColumn(pDescr, m_nColumnPosition);pOwner->LeaveUndoMode();}
 
    public:
        explicit OTabFieldCreateUndoAct(OSelectionBrowseBox* pSelBrwBox) : OTabFieldUndoAct(pSelBrwBox, STR_QUERY_UNDO_TABFIELDCREATE) { }
    };
 
    // OTabFieldMovedUndoAct - Undo class when a field was moved inside the selection
 
    class OTabFieldMovedUndoAct : public OTabFieldUndoAct
    {
    protected:
        virtual void Undo() override;
        virtual void Redo() override
        {
            Undo();
        }
 
    public:
        explicit OTabFieldMovedUndoAct(OSelectionBrowseBox* pSelBrwBox) : OTabFieldUndoAct(pSelBrwBox, STR_QUERY_UNDO_TABFIELDMOVED) { }
    };
}
 
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