File: KoTextDrag.cpp

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2007-2008 Thorsten Zachmann <zachmann@kde.org>
 * SPDX-FileCopyrightText: 2008 Pierre Stirnweiss \pierre.stirnweiss_calligra@gadz.org>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */

#include "KoTextDrag.h"

#include <QBuffer>
#include <QByteArray>
#include <QMimeData>
#include <QString>

#include "KoShapeSavingContext.h"
#include "KoStyleManager.h"
#include <KoDocumentBase.h>
#include <KoEmbeddedDocumentSaver.h>
#include <KoGenChanges.h>
#include <KoGenStyles.h>
#include <KoOdfWriteStore.h>
#include <KoStore.h>
#include <KoXmlWriter.h>
#include <opendocument/KoTextSharedSavingData.h>

#include "KoTextOdfSaveHelper.h"

#ifdef SHOULD_BUILD_RDF
#include "KoTextRdfCore.h"
#endif

#include "TextDebug.h"

KoTextDrag::KoTextDrag()
    : m_mimeData(nullptr)
{
}

KoTextDrag::~KoTextDrag()
{
    if (m_mimeData == nullptr) {
        delete m_mimeData;
    }
}

bool KoTextDrag::setOdf(const char *mimeType, KoTextOdfSaveHelper &helper)
{
    QBuffer buffer;
    QScopedPointer<KoStore> store(KoStore::createStore(&buffer, KoStore::Write, mimeType));
    Q_ASSERT(store);
    Q_ASSERT(!store->bad());

    KoOdfWriteStore odfStore(store.data());
    KoEmbeddedDocumentSaver embeddedSaver;

    KoXmlWriter *manifestWriter = odfStore.manifestWriter(mimeType);
    KoXmlWriter *contentWriter = odfStore.contentWriter();

    if (!contentWriter) {
        return false;
    }

    KoGenStyles mainStyles;
    KoXmlWriter *bodyWriter = odfStore.bodyWriter();
    KoShapeSavingContext *context = helper.context(bodyWriter, mainStyles, embeddedSaver);
    KoGenChanges changes;

    KoSharedSavingData *sharedData = context->sharedData(KOTEXT_SHARED_SAVING_ID);
    KoTextSharedSavingData *textSharedData = nullptr;
    if (sharedData) {
        textSharedData = dynamic_cast<KoTextSharedSavingData *>(sharedData);
    }

    if (!textSharedData) {
        textSharedData = new KoTextSharedSavingData();
        textSharedData->setGenChanges(changes);
        if (!sharedData) {
            context->addSharedData(KOTEXT_SHARED_SAVING_ID, textSharedData);
        } else {
            warnText << "A different type of sharedData was found under the" << KOTEXT_SHARED_SAVING_ID;
            Q_ASSERT(false);
        }
    }
#ifdef SHOULD_BUILD_RDF
    debugText << "helper.model:" << helper.rdfModel();
    textSharedData->setRdfModel(helper.rdfModel());
#endif
    if (!helper.writeBody()) {
        return false;
    }
    // Save the named styles that was referred to by the copied text
    if (KoStyleManager *styleManager = helper.styleManager()) {
        styleManager->saveReferredStylesToOdf(*context);
    }

    mainStyles.saveOdfStyles(KoGenStyles::DocumentAutomaticStyles, contentWriter);
    changes.saveOdfChanges(contentWriter, false);

    odfStore.closeContentWriter();

    // add manifest line for content.xml
    manifestWriter->addManifestEntry("content.xml", "text/xml");

    debugText << "testing to see if we should add rdf to odf file?";

#ifdef SHOULD_BUILD_RDF
    debugText << "helper has model" << (helper.rdfModel() != 0);
    // RDF: Copy relevant RDF to output ODF
    if (QSharedPointer<Soprano::Model> m = helper.rdfModel()) {
        debugText << "rdf model size:" << m->statementCount();
        KoTextRdfCore::createAndSaveManifest(m, textSharedData->getRdfIdMapping(), store.data(), manifestWriter);
    }
#endif

    if (!mainStyles.saveOdfStylesDotXml(store.data(), manifestWriter)) {
        return false;
    }

    if (!context->saveDataCenter(store.data(), manifestWriter)) {
        debugText << "save data centers failed";
        return false;
    }

    // Save embedded objects
    KoDocumentBase::SavingContext documentContext(odfStore, embeddedSaver);
    if (!embeddedSaver.saveEmbeddedDocuments(documentContext)) {
        debugText << "save embedded documents failed";
        return false;
    }

    // Write out manifest file
    if (!odfStore.closeManifestWriter()) {
        return false;
    }

    store.reset();
    setData(mimeType, buffer.buffer());

    return true;
}

void KoTextDrag::setData(const QString &mimeType, const QByteArray &data)
{
    if (m_mimeData == nullptr) {
        m_mimeData = new QMimeData();
    }
    m_mimeData->setData(mimeType, data);
}

QMimeData *KoTextDrag::takeMimeData()
{
    QMimeData *mimeData = m_mimeData;
    m_mimeData = nullptr;
    return mimeData;
}