/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * Version: MPL 1.1 / GPLv3+ / LGPLv3+
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License or as specified alternatively below. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Major Contributor(s):
 * Copyright (C) 2010 Red Hat, Inc., Caolán McNamara <caolanm@redhat.com>
 *  (initial developer)
 *
 * All Rights Reserved.
 *
 * For minor contributions see the git repository.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
 * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
 * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
 * instead of those above.
 */

#ifdef SW_DLLIMPLEMENTATION
#undef SW_DLLIMPLEMENTATION
#endif

#include <sfx2/viewfrm.hxx>
#include <vcl/msgbox.hxx>
#include <view.hxx>
#include <swmodule.hxx>
#include <wrtsh.hxx>
#include <poolfmt.hxx>
#include <docsh.hxx>
#include <charfmt.hxx>
#include <docstyle.hxx>

#include "fldbas.hxx"
#include "lineinfo.hxx"
#include "globals.hrc"
#include "titlepage.hrc"
#include "titlepage.hxx"
#include "uitool.hxx"
#include "fmtpdsc.hxx"
#include "pagedesc.hxx"

#include <IDocumentStylePoolAccess.hxx>

namespace
{
    bool lcl_GetPageDesc(SwWrtShell *pSh, sal_uInt16 &rPageNo, const SwFmtPageDesc **ppPageFmtDesc)
    {
        bool bRet = false;
        SfxItemSet aSet( pSh->GetAttrPool(), RES_PAGEDESC, RES_PAGEDESC );
        if (pSh->GetCurAttr( aSet ))
        {
            const SfxPoolItem* pItem(0);
            if (SFX_ITEM_SET == aSet.GetItemState( RES_PAGEDESC, sal_True, &pItem ) && pItem)
            {
                rPageNo = ((const SwFmtPageDesc *)pItem)->GetNumOffset();
                if (ppPageFmtDesc)
                    (*ppPageFmtDesc) = (const SwFmtPageDesc *)(pItem->Clone());
                bRet = true;
            }
        }
        return bRet;
    }

    void lcl_ChangePage(SwWrtShell *pSh, sal_uInt16 nNewNumber,
        const SwPageDesc *pNewDesc)
    {
        const sal_uInt16 nCurIdx = pSh->GetCurPageDesc();
        const SwPageDesc &rCurrentDesc = pSh->GetPageDesc( nCurIdx );

        const SwFmtPageDesc *pPageFmtDesc(0);
        sal_uInt16 nDontCare;
        lcl_GetPageDesc(pSh, nDontCare, &pPageFmtDesc);

        //If we want a new number then set it, otherwise reuse the existing one
        sal_uInt16 nPgNo = nNewNumber ?
            nNewNumber : ( pPageFmtDesc ? pPageFmtDesc->GetNumOffset() : 0 );

        //If we want a new descriptior then set it, otherwise reuse the existing one
        if (!pNewDesc)
        {
            SwFmtPageDesc aPageFmtDesc(pPageFmtDesc ? *pPageFmtDesc : &rCurrentDesc);
            if (nPgNo) aPageFmtDesc.SetNumOffset(nPgNo);
            pSh->SetAttr(aPageFmtDesc);
        }
        else
        {
            SwFmtPageDesc aPageFmtDesc(pNewDesc);
            if (nPgNo) aPageFmtDesc.SetNumOffset(nPgNo);
            pSh->SetAttr(aPageFmtDesc);
        }

        delete pPageFmtDesc;
    }

    void lcl_PushCursor(SwWrtShell *pSh)
    {
        pSh->LockView( sal_True );
        pSh->StartAllAction();
        pSh->SwCrsrShell::Push();
    }

    void lcl_PopCursor(SwWrtShell *pSh)
    {
        pSh->SwCrsrShell::Pop( sal_False );
        pSh->EndAllAction();
        pSh->LockView( sal_False );
    }

    sal_uInt16 lcl_GetCurrentPage(SwWrtShell *pSh)
    {
        String sDummy;
        sal_uInt16 nPhyNum=1, nVirtNum=1;
        pSh->GetPageNumber(0, true, nPhyNum, nVirtNum, sDummy);
        return nPhyNum;
    }
}

/*
 * Only include the Index page in the list if the page count implies one
 * to reduce confusing things
 */
void SwTitlePageDlg::FillList()
{
    sal_uInt16 nTitlePages = aPageCountNF.GetValue();
    aPagePropertiesLB.Clear();
    if (mpTitleDesc)
        aPagePropertiesLB.InsertEntry(mpTitleDesc->GetName());
    if (nTitlePages > 1 && mpIndexDesc)
        aPagePropertiesLB.InsertEntry(mpIndexDesc->GetName());
    if (mpNormalDesc)
        aPagePropertiesLB.InsertEntry(mpNormalDesc->GetName());
    aPagePropertiesLB.SelectEntryPos(0);
}

sal_uInt16 SwTitlePageDlg::GetInsertPosition() const
{
    sal_uInt16 nPage = 1;
    if (aPageStartNF.IsEnabled())
        nPage = aPageStartNF.GetValue();
    return nPage;
}

SwTitlePageDlg::SwTitlePageDlg( Window *pParent ) :
    SfxModalDialog( pParent, SW_RES(DLG_TITLEPAGE) ),
#ifdef MSC
#pragma warning (disable : 4355)
#endif
    aMakeInsertFL       ( this, SW_RES( FL_MAKEINSERT )),
    aUseExistingPagesRB ( this, SW_RES( RB_USE_EXISTING_PAGES )),
    aInsertNewPagesRB   ( this, SW_RES( RB_INSERT_NEW_PAGES )),
    aPageCountFT        ( this, SW_RES( FT_PAGE_COUNT )),
    aPageCountNF        ( this, SW_RES( NF_PAGE_COUNT )),
    aPagePagesFT        ( this, SW_RES( FT_PAGE_PAGES )),
    aPageStartFT        ( this, SW_RES( FT_PAGE_START )),
    aDocumentStartRB    ( this, SW_RES( RB_DOCUMENT_START )),
    aPageStartRB        ( this, SW_RES( RB_PAGE_START )),
    aPageStartNF        ( this, SW_RES( NF_PAGE_START )),
    aNumberingFL        ( this, SW_RES( FL_NUMBERING )),
    aRestartNumberingCB ( this, SW_RES( CB_RESTART_NUMBERING )),
    aRestartNumberingFT ( this, SW_RES( FT_RESTART_NUMBERING )),
    aRestartNumberingNF ( this, SW_RES( NF_RESTART_NUMBERING )),
    aSetPageNumberCB    ( this, SW_RES( CB_SET_PAGE_NUMBER )),
    aSetPageNumberFT    ( this, SW_RES( FT_SET_PAGE_NUMBER )),
    aSetPageNumberNF    ( this, SW_RES( NF_SET_PAGE_NUMBER )),
    aPagePropertiesFL   ( this, SW_RES( FL_PAGE_PROPERTIES )),
    aPagePropertiesLB   ( this, SW_RES( LB_PAGE_PROPERTIES )),
    aPagePropertiesPB   ( this, SW_RES( PB_PAGE_PROPERTIES )),
    aBottomFL           ( this, SW_RES( FL_BOTTOM )),
    aOkPB               ( this, SW_RES( PB_OK )),
    aCancelPB           ( this, SW_RES( PB_CANCEL )),
    aHelpPB             ( this, SW_RES( PB_HELP )),
    mpPageFmtDesc       (0)
#ifdef MSC
#pragma warning (default : 4355)
#endif
{
    FreeResource();

    aOkPB.SetClickHdl(LINK(this, SwTitlePageDlg, OKHdl));
    aRestartNumberingCB.SetClickHdl(LINK(this, SwTitlePageDlg, RestartNumberingHdl));
    aSetPageNumberCB.SetClickHdl(LINK(this, SwTitlePageDlg, SetPageNumberHdl));

    sal_uInt16 nSetPage = 1;
    sal_uInt16 nResetPage = 1;
    sal_uInt16 nTitlePages = 1;
    mpSh = ::GetActiveView()->GetWrtShellPtr();
    lcl_PushCursor(mpSh);

    SwView& rView = mpSh->GetView();
    rView.InvalidateRulerPos();

    bool bMaybeResetNumbering = false;

    mpTitleDesc = mpSh->GetPageDescFromPool(RES_POOLPAGE_FIRST);
    mpIndexDesc = mpSh->GetPageDescFromPool(RES_POOLPAGE_REGISTER);
    mpNormalDesc = mpSh->GetPageDescFromPool(RES_POOLPAGE_STANDARD);

    mpSh->SttDoc();
    if (lcl_GetPageDesc( mpSh, nSetPage, &mpPageFmtDesc ))
    {
        if (mpPageFmtDesc->GetPageDesc() == mpTitleDesc)
        {
            while (mpSh->SttNxtPg())
            {
                const sal_uInt16 nCurIdx = mpSh->GetCurPageDesc();
                const SwPageDesc &rPageDesc = mpSh->GetPageDesc( nCurIdx );

                if (mpIndexDesc != &rPageDesc)
                {
                    mpNormalDesc = &rPageDesc;
                    bMaybeResetNumbering = lcl_GetPageDesc(mpSh, nResetPage, NULL);
                    break;
                }
                ++nTitlePages;
            }
        }
    }
    lcl_PopCursor(mpSh);

    aUseExistingPagesRB.Check();
    aPageCountNF.SetValue(nTitlePages);
    aPageCountNF.SetUpHdl(LINK(this, SwTitlePageDlg, UpHdl));
    aPageCountNF.SetDownHdl(LINK(this, SwTitlePageDlg, DownHdl));

    aDocumentStartRB.Check();
    aPageStartNF.Enable(false);
    aPageStartNF.SetValue(lcl_GetCurrentPage(mpSh));
    Link aStartPageHdl = LINK(this, SwTitlePageDlg, StartPageHdl);
    aDocumentStartRB.SetClickHdl(aStartPageHdl);
    aPageStartRB.SetClickHdl(aStartPageHdl);

    if (bMaybeResetNumbering && nResetPage > 0)
    {
        aRestartNumberingCB.Check();
        aRestartNumberingNF.SetValue(nResetPage);
    }
    aRestartNumberingNF.Enable(aRestartNumberingCB.IsChecked());

    aSetPageNumberNF.SetValue(nSetPage);
    if (nSetPage > 1)
        aSetPageNumberCB.Check();
    aSetPageNumberNF.Enable(aSetPageNumberCB.IsChecked());

    FillList();
    aPagePropertiesPB.SetClickHdl(LINK(this, SwTitlePageDlg, EditHdl));
}

IMPL_LINK(SwTitlePageDlg, UpHdl, NumericField *, EMPTYARG)
{
    if (aPageCountNF.GetValue() == 2)
        FillList();
    return 0;
}

IMPL_LINK(SwTitlePageDlg, DownHdl, NumericField *, EMPTYARG)
{
    if (aPageCountNF.GetValue() == 1)
        FillList();
    return 0;
}

IMPL_LINK(SwTitlePageDlg, RestartNumberingHdl, CheckBox*, EMPTYARG)
{
    aRestartNumberingNF.Enable(aRestartNumberingCB.IsChecked());
    return 0;
}

IMPL_LINK(SwTitlePageDlg, SetPageNumberHdl, CheckBox*, EMPTYARG)
{
    aSetPageNumberNF.Enable(aSetPageNumberCB.IsChecked());
    return 0;
}

IMPL_LINK(SwTitlePageDlg, StartPageHdl, RadioButton*, EMPTYARG)
{
    aPageStartNF.Enable(aPageStartRB.IsChecked());
    return 0;
}

SwTitlePageDlg::~SwTitlePageDlg()
{
    delete mpPageFmtDesc;
}

IMPL_LINK( SwTitlePageDlg, EditHdl, Button *, /*pBtn*/ )
{
    SwView& rView = mpSh->GetView();
    rView.GetDocShell()->FormatPage(aPagePropertiesLB.GetSelectEntry(), false, mpSh);
    rView.InvalidateRulerPos();

    return 0;
}

IMPL_LINK( SwTitlePageDlg, OKHdl, Button *, /*pBtn*/ )
{
    lcl_PushCursor(mpSh);

    mpSh->StartUndo();

    SwFmtPageDesc aTitleDesc(mpTitleDesc);

    if (aSetPageNumberCB.IsChecked())
        aTitleDesc.SetNumOffset(aSetPageNumberNF.GetValue());
    else if (mpPageFmtDesc)
        aTitleDesc.SetNumOffset(mpPageFmtDesc->GetNumOffset());

    sal_uInt16 nNoPages = aPageCountNF.GetValue();
    if (!aUseExistingPagesRB.IsChecked())
    {
        mpSh->GotoPage(GetInsertPosition(), false);
        for (sal_uInt16 nI=0; nI < nNoPages; ++nI)
            mpSh->InsertPageBreak();
    }

    mpSh->GotoPage(GetInsertPosition(), false);
    for (sal_uInt16 nI=1; nI < nNoPages; ++nI)
    {
        if (mpSh->SttNxtPg())
            lcl_ChangePage(mpSh, 0, mpIndexDesc);
    }

    mpSh->GotoPage(GetInsertPosition(), false);
    mpSh->SetAttr(aTitleDesc);

    if (nNoPages > 1 && mpSh->GotoPage(GetInsertPosition() + nNoPages, false))
    {
        SwFmtPageDesc aPageFmtDesc(mpNormalDesc);
        mpSh->SetAttr(aPageFmtDesc);
    }

    if (aRestartNumberingCB.IsChecked() || nNoPages > 1)
    {
        sal_uInt16 nPgNo = aRestartNumberingCB.IsChecked() ? aRestartNumberingNF.GetValue() : 0;
        const SwPageDesc *pNewDesc = nNoPages > 1 ? mpNormalDesc : 0;
        mpSh->GotoPage(GetInsertPosition() + nNoPages, false);
        lcl_ChangePage(mpSh, nPgNo, pNewDesc);
    }

    mpSh->EndUndo();
    lcl_PopCursor(mpSh);
    if (!aUseExistingPagesRB.IsChecked())
        mpSh->GotoPage(GetInsertPosition(), false);
    EndDialog( RET_OK );
    return 0;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */