/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file 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 .
 */

#include <swmodule.hxx>
#include <view.hxx>
#include <wrtsh.hxx>
#include <gotodlg.hxx>
#include <sfx2/bindings.hxx>
#include <sfx2/viewfrm.hxx>

using namespace com::sun::star;

SwGotoPageDlg::SwGotoPageDlg(weld::Window* pParent, SfxBindings* _pBindings)
    : GenericDialogController(pParent, "modules/swriter/ui/gotopagedialog.ui", "GotoPageDialog")
    , m_pCreateView(nullptr)
    , m_rBindings(_pBindings)
    , mnMaxPageCnt(1)
    , mxMtrPageCtrl(m_xBuilder->weld_entry("page"))
    , mxPageNumberLbl(m_xBuilder->weld_label("page_count"))
{
    sal_uInt16 nTotalPage = GetPageInfo();

    if(nTotalPage)
    {
        OUString sStr = mxPageNumberLbl->get_label();
        mxPageNumberLbl->set_label(sStr.replaceFirst("$1", OUString::number(nTotalPage)));
        mnMaxPageCnt = nTotalPage;
    }
    mxMtrPageCtrl->connect_changed(LINK(this, SwGotoPageDlg, PageModifiedHdl));
    mxMtrPageCtrl->set_position(-1);
    mxMtrPageCtrl->select_region(0, -1);
}

IMPL_LINK_NOARG(SwGotoPageDlg, PageModifiedHdl, weld::Entry&, void)
{
    if (!mxMtrPageCtrl->get_text().isEmpty())
    {
        int page_value = mxMtrPageCtrl->get_text().toInt32();

        if (page_value <= 0)
            mxMtrPageCtrl->set_text(OUString::number(1));
        else if(page_value > mnMaxPageCnt)
            mxMtrPageCtrl->set_text(OUString::number(mnMaxPageCnt));

        mxMtrPageCtrl->set_position(-1);
    }
}

SwView*  SwGotoPageDlg::GetCreateView() const
{
    if(!m_pCreateView)
    {
        SwView* pView = SwModule::GetFirstView();
        while(pView)
        {
            if(&pView->GetViewFrame()->GetBindings() == m_rBindings)
            {
                const_cast<SwGotoPageDlg*>(this)->m_pCreateView = pView;
                break;
            }
            pView = SwModule::GetNextView(pView);
        }
    }

    return m_pCreateView;
}

// If the page can be set here, the maximum is set.

sal_uInt16 SwGotoPageDlg::GetPageInfo()
{
    SwView *pView = GetCreateView();
    SwWrtShell *pSh = pView ? &pView->GetWrtShell() : nullptr;
    mxMtrPageCtrl->set_text(OUString::number(1));
    if (pSh)
    {
        const sal_uInt16 nPageCnt = pSh->GetPageCnt();
        sal_uInt16 nPhyPage, nVirPage;
        pSh->GetPageNum(nPhyPage, nVirPage);
        mxMtrPageCtrl->set_text(OUString::number(nPhyPage));
        return nPageCnt;
    }
    return 0;
}

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