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/* -*- 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 .
*/
#ifndef INCLUDED_SFX2_METADATABLE_HXX
#define INCLUDED_SFX2_METADATABLE_HXX
#include <sal/config.h>
#include <sfx2/dllapi.h>
#include <cppuhelper/implbase.hxx>
#include <com/sun/star/rdf/XMetadatable.hpp>
#include <memory>
namespace com::sun::star {
namespace frame { class XModel; }
}
namespace sfx2 {
class IXmlIdRegistry;
}
namespace sfx2 {
class XmlIdRegistry;
class MetadatableUndo;
// XML ID handling ---------------------------------------------------
/// create a sfx2::XmlIdRegistryDocument or a sfx2::XmlIdRegistryClipboard
SFX2_DLLPUBLIC ::sfx2::IXmlIdRegistry *
createXmlIdRegistry(const bool i_DocIsClipboard);
/** base class for core objects that may have xml:id.
<p>The interface of this class consists of 3 parts:
<ul><li>implementations that are used by the MetadatableMixin
below</li>
<li>hooks to be called by the sw core whenever actions that are
relevant to the uniqueness of xml:ids are taken (copying,
splitting, merging, deletion, undo, etc.)</li>
<li>abstract methods that are called by the implementation of the
previous hooks</li></ul>
</p>
*/
class SFX2_DLLPUBLIC Metadatable
{
public:
Metadatable() : m_pReg(nullptr) {}
// destructor calls RemoveMetadataReference
virtual ~Metadatable();
// for MetadatableMixin ----------------------------------------------
css::beans::StringPair GetMetadataReference() const;
void SetMetadataReference( const css::beans::StringPair & i_rReference);
void EnsureMetadataReference();
// hooks -------------------------------------------------------------
// called from dtor!
void RemoveMetadataReference();
/** register this as a copy of i_rSource */
void RegisterAsCopyOf(Metadatable const & i_rSource,
const bool i_bCopyPrecedesSource = false);
/** create an Undo Metadatable, which remembers this' reference */
std::shared_ptr<MetadatableUndo> CreateUndo() const;
std::shared_ptr<MetadatableUndo> CreateUndoForDelete();
/** restore this from Undo Metadatable */
void RestoreMetadata(std::shared_ptr<MetadatableUndo> const& i_pUndo);
/** merge this and i_rOther into this */
void JoinMetadatable(Metadatable const & i_rOther,
const bool i_isMergedEmpty, const bool i_isOtherEmpty);
// abstract methods --------------------------------------------------
/** get the registry from the SwDoc */
virtual ::sfx2::IXmlIdRegistry& GetRegistry() = 0;
/** is this in a clipboard document? */
virtual bool IsInClipboard() const = 0;
/** is this in undo array? */
virtual bool IsInUndo() const = 0;
/** which stream is this in? true: content.xml; false: styles.xml */
virtual bool IsInContent() const = 0;
/** create XMetadatable from this.
note: if IsInUndo or IsInClipboard return true,
MakeUnoObject <em>must not</em> be called!
*/
virtual css::uno::Reference< css::rdf::XMetadatable > MakeUnoObject() = 0;
private:
Metadatable(const Metadatable&) = delete;
Metadatable& operator=(const Metadatable&) = delete;
friend class MetadatableClipboard;
friend class MetadatableUndo;
// note that Reg may be a XmlIdRegistryDocument or a XmlIdRegistryClipboard
XmlIdRegistry* m_pReg; // null => no XmlId
};
/** base class for UNO objects that implement XMetadatable.
<p>An instance of this base class is associated with an instance of
Metadatable.</p>
*/
class SFX2_DLLPUBLIC MetadatableMixin :
public cppu::WeakImplHelper<css::rdf::XMetadatable>
{
public:
MetadatableMixin() {};
// css::rdf::XNode:
virtual OUString SAL_CALL getStringValue() override;
// css::rdf::XURI:
virtual OUString SAL_CALL getLocalName() override;
virtual OUString SAL_CALL getNamespace() override;
// css::rdf::XMetadatable:
virtual css::beans::StringPair SAL_CALL getMetadataReference() override;
virtual void SAL_CALL setMetadataReference(
const css::beans::StringPair & i_rReference) override;
virtual void SAL_CALL ensureMetadataReference() override;
protected:
/// get the core object corresponding to this UNO object.
virtual Metadatable * GetCoreObject() = 0;
/// get the XModel for the document
virtual css::uno::Reference< css::frame::XModel >
GetModel() = 0;
};
} // namespace sfx2
#endif // INCLUDED_SFX2_METADATABLE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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