core/OdfFile/Reader/Format/office_body.cpp

/*
 * Copyright (C) Ascensio System SIA, 2009-2026
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation, together with the
 * additional terms provided in the LICENSE file.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
 * details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA by email at info@onlyoffice.com
 * or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
 * LV-1050, Latvia, European Union.
 *
 * The interactive user interfaces in modified versions of the Program
 * are required to display Appropriate Legal Notices in accordance with
 * Section 5 of the GNU AGPL version 3.
 *
 * No trademark rights are granted under this License.
 *
 * All non-code elements of the Product, including illustrations,
 * icon sets, and technical writing content, are licensed under the
 * Creative Commons Attribution-ShareAlike 4.0 International License:
 * https://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 * This license applies only to such non-code elements and does not
 * modify or replace the licensing terms applicable to the Program's
 * source code, which remains licensed under the GNU Affero General
 * Public License v3.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */

#include "office_body.h"

#include "serialize_elements.h"

#include <xml/xmlchar.h>
#include "odf_document.h"

#include "odfcontext.h"
#include "draw_common.h"

namespace cpdoccore { 

	using namespace odf_types;

namespace odf_reader {



// office:body
//////////////////////////////////////////////////////////////////////////////////////////////////
const wchar_t * office_body::ns = L"office";
const wchar_t * office_body::name = L"body";

std::wostream & office_body::text_to_stream(std::wostream & _Wostream, bool bXmlEncode) const
{
    if (content_)
        content_->text_to_stream(_Wostream, bXmlEncode);
    return _Wostream;
}

office_body::office_body()
{}

void office_body::add_attributes( const xml::attributes_wc_ptr & Attributes )
{
    
}

void office_body::add_child_element( xml::sax * Reader, const std::wstring & Ns, const std::wstring & Name)
{
	if (L"office" == Ns && ((L"text"		== Name) || 
							(L"spreadsheet"	== Name) ||
							(L"presentation"== Name) || 
							(L"chart"		== Name) || 
							(L"drawing"		== Name) || 
							(L"image"		== Name) ||
							(L"database"	== Name) ||
							(L"graphics"	== Name)))
	{
		CP_CREATE_ELEMENT(content_);
	}
	else if (false == getContext()->office_class_.empty() || content_)
	{
		if (!content_)
		{
			if (getContext()->office_class_ == L"text")
				content_ = office_element_creator::get()->create(L"office", L"text", getContext(), false);
			else if (getContext()->office_class_ == L"spreadsheet")
				content_ = office_element_creator::get()->create(L"office", L"spreadsheet", getContext(), false);
			else if (getContext()->office_class_ == L"presentation")
				content_ = office_element_creator::get()->create(L"office", L"presentation", getContext(), false);
			else if (getContext()->office_class_ == L"chart")
				content_ = office_element_creator::get()->create(L"office", L"chart", getContext(), false);
		}
		if (content_)
			content_->add_child_element(Reader, Ns, Name);
	}

}

void office_body::xlsx_convert(oox::xlsx_conversion_context & Context)
{
    Context.start_body();

    if (content_)
        content_->xlsx_convert(Context);

    Context.end_body();
}

void office_body::docx_convert(oox::docx_conversion_context & Context)
{
    std::vector<style_master_page*> & masterPages = Context.root()->odf_context().pageLayoutContainer().master_pages();
    if (!masterPages.empty())
    {
        Context.set_master_page_name(masterPages[0]->attlist_.style_name_.get_value_or(L"Standard"));
    }

	const page_layout_instance * layout = Context.root()->odf_context().pageLayoutContainer().page_layout_first();
	
	if (layout)   // twice - so that default settings are always present
	{
		//Context.add_page_properties(layout->name());
		Context.add_page_properties(layout->name());
	}
	else
	{
		Context.add_page_properties(L""); // 
		Context.add_page_properties(L"");
	}
//background (for all pages) 
    if (page_layout_instance * firtsPageLayout = Context.root()->odf_context().pageLayoutContainer().page_layout_by_name(Context.get_page_properties()))
	{
        if (style_page_layout_properties * layout_properties = firtsPageLayout->properties())
		{
			oox::_oox_fill fill;
			
			Compute_GraphicFill(layout_properties->attlist_.common_draw_fill_attlist_, 
								layout_properties->style_background_image_, Context.root(), fill);

			if (layout_properties->attlist_.common_background_color_attlist_.fo_background_color_ || fill.type != 0)
			{
				if ((fill.bitmap) && (fill.bitmap->rId.empty()))
				{
					std::wstring href = fill.bitmap->xlink_href_;
					fill.bitmap->rId = Context.get_mediaitems()->add_or_find(href, oox::typeImage, fill.bitmap->isInternal, href, Context.get_type_place());
				}		
				int id = Context.get_drawing_context().get_current_shape_id();
				if (layout_properties->docx_background_serialize(Context.output_stream(), Context, fill, id))
				{
					Context.set_settings_property(odf_reader::_property(L"displayBackgroundShape", true));
				}
			}
		}
	}
//content
	Context.start_body();
    
	if (content_)
        content_->docx_convert(Context);

	if (false == Context.get_section_context().dump_.empty() && false == Context.get_table_context().in_table())
	{
		Context.output_stream() << Context.get_section_context().dump_;
		Context.get_section_context().dump_.clear();
	}
	else
	{
		if (page_layout_instance *lastPageLayout = Context.root()->odf_context().pageLayoutContainer().page_layout_by_name(Context.get_page_properties()))
		{
			if (Context.is_last_dump_page_properties())
			{
				Context.next_dump_page_properties(true);
			}
			
			lastPageLayout->docx_serialize(Context.output_stream(), Context);
			//Context.remove_page_properties();
		}
	}

    Context.end_body();    
}
void office_body::pptx_convert(oox::pptx_conversion_context & Context)
{
    Context.start_body();

    if (content_)
        content_->pptx_convert(Context);

    Context.end_body();
}
}
}