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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_EDITENG_OVERFLOWINGTXT_HXX
#define INCLUDED_EDITENG_OVERFLOWINGTXT_HXX
#include <config_options.h>
#include <editeng/editengdllapi.h>
#include <editeng/editdata.hxx>
#include <com/sun/star/uno/Reference.h>
#include <memory>
#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 > const & 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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