/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
 * 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/.
 */

#include <DateFormFieldDialog.hxx>
#include <IMark.hxx>
#include <xmloff/odffields.hxx>
#include <svl/zforlist.hxx>
#include <svl/zformat.hxx>
#include <doc.hxx>

namespace sw
{
DateFormFieldDialog::DateFormFieldDialog(weld::Widget* pParent,
                                         sw::mark::IDateFieldmark* pDateField, SwDoc* pDoc)
    : GenericDialogController(pParent, "modules/swriter/ui/dateformfielddialog.ui",
                              "DateFormFieldDialog")
    , m_pDateField(pDateField)
    , m_pNumberFormatter(pDoc->GetNumberFormatter())
    , m_xFormatLB(new SwNumFormatTreeView(m_xBuilder->weld_tree_view("date_formats_treeview")))
{
    m_xFormatLB->SetFormatType(SvNumFormatType::DATE);
    m_xFormatLB->SetAutomaticLanguage(true);
    m_xFormatLB->SetShowLanguageControl(true);
    m_xFormatLB->SetOneArea(true);

    // Set a default height
    weld::TreeView& rTreeView = dynamic_cast<weld::TreeView&>(m_xFormatLB->get_widget());
    rTreeView.set_size_request(rTreeView.get_preferred_size().Width(),
                               rTreeView.get_height_rows(10));
    InitControls();
}

DateFormFieldDialog::~DateFormFieldDialog() {}

void DateFormFieldDialog::Apply()
{
    if (m_pDateField != nullptr)
    {
        // Try to find out the current date value and replace the content
        // with the right formatted date string
        sw::mark::IFieldmark::parameter_map_t* pParameters = m_pDateField->GetParameters();
        const SvNumberformat* pFormat = m_pNumberFormatter->GetEntry(m_xFormatLB->GetFormat());

        // Get date value first
        std::pair<bool, double> aResult = m_pDateField->GetCurrentDate();

        // Then set the date format
        (*pParameters)[ODF_FORMDATE_DATEFORMAT] <<= pFormat->GetFormatstring();
        (*pParameters)[ODF_FORMDATE_DATEFORMAT_LANGUAGE]
            <<= LanguageTag(pFormat->GetLanguage()).getBcp47();

        // Update current date
        if (aResult.first)
        {
            m_pDateField->SetCurrentDate(aResult.second);
        }
        else
        {
            (*pParameters)[ODF_FORMDATE_CURRENTDATE] <<= OUString();
        }
    }
}

void DateFormFieldDialog::InitControls()
{
    if (m_pDateField != nullptr)
    {
        sw::mark::IFieldmark::parameter_map_t* pParameters = m_pDateField->GetParameters();

        OUString sFormatString;
        auto pResult = pParameters->find(ODF_FORMDATE_DATEFORMAT);
        if (pResult != pParameters->end())
        {
            pResult->second >>= sFormatString;
        }

        OUString sLang;
        pResult = pParameters->find(ODF_FORMDATE_DATEFORMAT_LANGUAGE);
        if (pResult != pParameters->end())
        {
            pResult->second >>= sLang;
        }

        if (!sFormatString.isEmpty() && !sLang.isEmpty())
        {
            LanguageType aLangType = LanguageTag(sLang).getLanguageType();
            sal_uInt32 nFormat = m_pNumberFormatter->GetEntryKey(sFormatString, aLangType);
            if (nFormat == NUMBERFORMAT_ENTRY_NOT_FOUND)
            {
                sal_Int32 nCheckPos = 0;
                SvNumFormatType nType;
                m_pNumberFormatter->PutEntry(sFormatString, nCheckPos, nType, nFormat,
                                             LanguageTag(sLang).getLanguageType());
            }

            if (aLangType != LANGUAGE_DONTKNOW && nFormat != NUMBERFORMAT_ENTRY_NOT_FOUND)
            {
                if (m_xFormatLB->GetCurLanguage() == aLangType)
                {
                    m_xFormatLB->SetAutomaticLanguage(true);
                }
                else
                {
                    m_xFormatLB->SetAutomaticLanguage(false);
                    m_xFormatLB->SetLanguage(aLangType);

                    // Change format and change back for regenerating the list
                    m_xFormatLB->SetFormatType(SvNumFormatType::ALL);
                    m_xFormatLB->SetFormatType(SvNumFormatType::DATE);
                }
                m_xFormatLB->SetDefFormat(nFormat);
            }
        }
    }
}

} // namespace sw

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