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85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Pino Toscano <pino@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef _OKULAR_SAVEINTERFACE_H_
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#define _OKULAR_SAVEINTERFACE_H_
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#include "../core/okular_export.h"
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#include <QtCore/QObject>
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namespace Okular {
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class AnnotationProxy;
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/**
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* @short Abstract interface for saving
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*
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* This interface defines a way to save (or help saving) the document opened
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* by the Generator.
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*
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* How to use it in a custom Generator:
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* @code
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class MyGenerator : public Okular::Generator, public Okular::SaveInterface
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{
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Q_OBJECT
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Q_INTERFACES( Okular::SaveInterface )
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...
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};
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* @endcode
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* and - of course - implementing its methods.
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*/
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class OKULAR_EXPORT SaveInterface
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{
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public:
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/**
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* The possible options for the saving.
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*/
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enum SaveOption
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{
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NoOption = 0,
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SaveChanges = 1 ///< The possibility to save with the current changes to the document.
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};
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Q_DECLARE_FLAGS( SaveOptions, SaveOption )
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/**
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* Destroys the save interface.
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*/
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virtual ~SaveInterface() {}
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/**
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* Query for the supported saving options.
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*
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* @note NoOption is never queried
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*/
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virtual bool supportsOption( SaveOption option ) const = 0;
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/**
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* Save to the specified @p fileName with the specified @p options.
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*/
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virtual bool save( const QString &fileName, SaveOptions options, QString *errorText ) = 0;
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/**
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* Returns the annotation proxy. Generators can return NULL if native
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* annotations are not supported.
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*
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* @note Returning NULL is equivalent to returning an AnnotationProxy
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* that doesn't support any capability.
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* @since 0.15 (KDE 4.9)
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*/
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virtual AnnotationProxy* annotationProxy() const = 0;
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};
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}
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Q_DECLARE_INTERFACE( Okular::SaveInterface, "org.kde.okular.SaveInterface/0.3" )
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Q_DECLARE_OPERATORS_FOR_FLAGS( Okular::SaveInterface::SaveOptions )
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#endif
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