/* -*- 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 <sal/config.h>
#include <sal/log.hxx>

#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/document/XDocumentProperties.hpp>
#include <com/sun/star/script/CannotConvertException.hpp>
#include <com/sun/star/script/Converter.hpp>
#include <com/sun/star/script/XTypeConverter.hpp>
#include <comphelper/processfactory.hxx>
#include <comphelper/string.hxx>
#include <rtl/ustring.hxx>
#include <svl/inettype.hxx>
#include <svtools/DocumentInfoPreview.hxx>
#include <svtools/imagemgr.hxx>
#include <svtools/svmedit2.hxx>
#include <vcl/builder.hxx>
#include <vcl/txtattr.hxx>
#include <vcl/settings.hxx>
#include <vcl/svapp.hxx>
#include <vcl/builderfactory.hxx>
#include <tools/datetime.hxx>
#include <tools/urlobj.hxx>
#include <unotools/ucbhelper.hxx>
#include <unotools/localedatawrapper.hxx>

#include <templwin.hrc>
#include "templwin.hxx"

namespace svtools {

ODocumentInfoPreview::ODocumentInfoPreview(vcl::Window * pParent, WinBits nBits)
    : Window(pParent, WB_DIALOGCONTROL)
    , m_pEditWin( VclPtr<ExtMultiLineEdit>::Create(this, nBits) )
{
    m_pEditWin->SetLeftMargin(10);
    m_pEditWin->Show();
    m_pEditWin->EnableCursor(false);
}

ODocumentInfoPreview::~ODocumentInfoPreview()
{
    disposeOnce();
}

void ODocumentInfoPreview::dispose()
{
    m_pEditWin.disposeAndClear();
    Window::dispose();
}

VCL_BUILDER_FACTORY_ARGS(ODocumentInfoPreview, WB_BORDER | WB_READONLY)

void ODocumentInfoPreview::Resize() {
    m_pEditWin->SetPosSizePixel(Point(0, 0), GetOutputSize());
}

void ODocumentInfoPreview::clear() {
    m_pEditWin->SetText(OUString());
}

void ODocumentInfoPreview::fill(
    css::uno::Reference< css::document::XDocumentProperties > const & xDocProps)
{
    assert(xDocProps.is());

    m_pEditWin->SetAutoScroll(false);

    insertNonempty(DI_TITLE, xDocProps->getTitle());
    insertNonempty(DI_FROM, xDocProps->getAuthor());
    insertDateTime(DI_DATE, xDocProps->getCreationDate());
    insertNonempty(DI_MODIFIEDBY, xDocProps->getModifiedBy());
    insertDateTime(DI_MODIFIEDDATE, xDocProps->getModificationDate());
    insertNonempty(DI_PRINTBY, xDocProps->getPrintedBy());
    insertDateTime(DI_PRINTDATE, xDocProps->getPrintDate());
    insertNonempty(DI_THEME, xDocProps->getSubject());
    insertNonempty(
        DI_KEYWORDS,
        comphelper::string::convertCommaSeparated(xDocProps->getKeywords()));
    insertNonempty(DI_DESCRIPTION, xDocProps->getDescription());

    // User-defined (custom) properties:
    css::uno::Reference< css::beans::XPropertySet > user(
        xDocProps->getUserDefinedProperties(), css::uno::UNO_QUERY_THROW);
    css::uno::Reference< css::beans::XPropertySetInfo > info(
        user->getPropertySetInfo());
    css::uno::Sequence< css::beans::Property > props(info->getProperties());
    for (sal_Int32 i = 0; i < props.getLength(); ++i) {
        OUString name(props[i].Name);
        css::uno::Any aAny(user->getPropertyValue(name));
        css::uno::Reference< css::script::XTypeConverter > conv(
            css::script::Converter::create(
                comphelper::getProcessComponentContext()));
        OUString value;
        try {
            value = conv->convertToSimpleType(aAny, css::uno::TypeClass_STRING).
                get< OUString >();
        } catch (css::script::CannotConvertException & e) {
            SAL_INFO("svtools.contnr", "ignored " << e);
        }
        if (!value.isEmpty()) {
            insertEntry(name, value);
        }
    }

    m_pEditWin->SetSelection(Selection(0, 0));
    m_pEditWin->SetAutoScroll(true);
}

void ODocumentInfoPreview::insertEntry(
    OUString const & title, OUString const & value)
{
    if (!m_pEditWin->GetText().isEmpty()) {
        m_pEditWin->InsertText("\n\n");
    }
    OUString caption(title + ":\n");
    m_pEditWin->InsertText(caption);
    m_pEditWin->SetAttrib(
        TextAttribFontWeight(WEIGHT_BOLD), m_pEditWin->GetParagraphCount() - 2,
        0, caption.getLength() - 1);
    m_pEditWin->InsertText(value);
}

void ODocumentInfoPreview::insertNonempty(long id, OUString const & value)
{
    if (!value.isEmpty()) {
        insertEntry(SvtDocInfoTable_Impl::GetString(id), value);
    }
}

void ODocumentInfoPreview::insertDateTime(
    long id, css::util::DateTime const & value)
{
    DateTime aToolsDT(
        Date(value.Day, value.Month, value.Year),
        tools::Time(
            value.Hours, value.Minutes, value.Seconds, value.NanoSeconds));
    if (aToolsDT.IsValidAndGregorian()) {
        const LocaleDataWrapper& rLocaleWrapper( Application::GetSettings().GetLocaleDataWrapper() );
        OUStringBuffer buf(rLocaleWrapper.getDate(aToolsDT));
        buf.append(", ");
        buf.append(rLocaleWrapper.getTime(aToolsDT));
        insertEntry(SvtDocInfoTable_Impl::GetString(id), buf.makeStringAndClear());
    }
}

}

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