/* -*- 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_EDITENG_OVERFLOWINGTXT_HXX
#define INCLUDED_EDITENG_OVERFLOWINGTXT_HXX
#include <editeng/editengdllapi.h>
#include <editeng/editdata.hxx>
#include <com/sun/star/uno/Reference.h>
#include <optional>
namespace com::sun::star {
namespace datatransfer { class XTransferable; }
}
class OutlinerParaObject;
class Outliner;
/*
* A collection of static methods for attaching text .
* Strongly coupled with some of the classes in this file .
*/
class TextChainingUtils
{
public :
static css::uno::Reference< css::datatransfer::XTransferable> CreateTransferableFromText(Outliner const *);
static std::optional<OutlinerParaObject> JuxtaposeParaObject(
css::uno::Reference< css::datatransfer::XTransferable > const & xOverflowingContent,
Outliner *,
OutlinerParaObject const *);
static std::optional<OutlinerParaObject> DeeplyMergeParaObject(
css::uno::Reference< css::datatransfer::XTransferable > const & xOverflowingContent,
Outliner *,
OutlinerParaObject const *);
};
/*
* The classes OverflowingText and NonOverflowingText handle the
* actual preparation of the OutlinerParaObjects to be used in destination
* and source box respectively .
*/
class OverflowingText
{
public :
OverflowingText(css::uno::Reference< css::datatransfer::XTransferable > xOverflowingContent);
std::optional<OutlinerParaObject> JuxtaposeParaObject(Outliner *, OutlinerParaObject const *);
std::optional<OutlinerParaObject> DeeplyMergeParaObject(Outliner *, OutlinerParaObject const *);
private :
css::uno::Reference< css::datatransfer::XTransferable > mxOverflowingContent;
};
class NonOverflowingText
{
public :
NonOverflowingText(const ESelection &aSel, bool bLastParaInterrupted);
std::optional<OutlinerParaObject> RemoveOverflowingText(Outliner *) const ;
ESelection GetOverflowPointSel() const ;
bool IsLastParaInterrupted() const ;
private :
ESelection maContentSel;
bool mbLastParaInterrupted;
};
/*
* classes OFlowChainedText and UFlowChainedText :
* contain and handle the state of a broken up text _ after_ a flow event
* ( respectively after Overflow and Underflow ) .
*
*/
class EDITENG_DLLPUBLIC OFlowChainedText
{
public :
OFlowChainedText(Outliner const *, bool );
~OFlowChainedText();
std::optional<OutlinerParaObject> InsertOverflowingText(Outliner *, OutlinerParaObject const *);
std::optional<OutlinerParaObject> RemoveOverflowingText(Outliner *);
ESelection GetOverflowPointSel() const ;
bool IsLastParaInterrupted() const ;
private :
std::optional<NonOverflowingText> mpNonOverflowingTxt;
std::optional<OverflowingText> mpOverflowingTxt;
bool mbIsDeepMerge;
};
// UFlowChainedText is a simpler class than OFlowChainedText: it almost only joins para-objects
class EDITENG_DLLPUBLIC UFlowChainedText
{
public :
UFlowChainedText(Outliner const *, bool );
std::optional<OutlinerParaObject> CreateMergedUnderflowParaObject(Outliner *, OutlinerParaObject const *);
private :
css::uno::Reference< css::datatransfer::XTransferable > mxUnderflowingTxt;
bool mbIsDeepMerge;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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