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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 <editeng/macros.hxx>
#include <editeng/editengdllapi.h>
#include <editeng/editdata.hxx>
#include <com/sun/star/uno/Reference.h>
namespace com { namespace sun { namespace star {
namespace datatransfer {
class XTransferable;
} } } }
typedef com::sun::star::uno::Reference<
com::sun::star::datatransfer::XTransferable> TranferableText;
namespace rtl {
class OUString;
};
using ::rtl::OUString;
class OutlinerParaObject;
class EditTextObject;
class Outliner;
/*
* A collection of static methods for attaching text.
* Strongly coupled with some of the classes in this file.
*/
class TextChainingUtils
{
public:
static TranferableText CreateTransferableFromText(Outliner *);
static OutlinerParaObject *JuxtaposeParaObject(
TranferableText xOverflowingContent,
Outliner *,
OutlinerParaObject *);
static OutlinerParaObject *DeeplyMergeParaObject(
TranferableText xOverflowingContent,
Outliner *,
OutlinerParaObject *);
};
/*
* The classes OverflowingText and NonOverflowingText handle the
* actual preparation of the OutlinerParaObjects to be used in destination
* and source box respectively.
*/
class OverflowingText
{
public:
OutlinerParaObject *JuxtaposeParaObject(Outliner *, OutlinerParaObject *);
OutlinerParaObject *DeeplyMergeParaObject(Outliner *, OutlinerParaObject *);
static ESelection GetInsertionPointSel();
private:
friend class Outliner;
OverflowingText(TranferableText xOverflowingContent);
TranferableText mxOverflowingContent;
};
class NonOverflowingText
{
public:
OutlinerParaObject *RemoveOverflowingText(Outliner *) const;
ESelection GetOverflowPointSel() const;
bool IsLastParaInterrupted() const;
private:
NonOverflowingText(const EditTextObject *pTObj, bool bLastParaInterrupted);
NonOverflowingText(const ESelection &aSel, bool bLastParaInterrupted);
friend class Outliner;
const ESelection maContentSel;
const 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 *, bool );
~OFlowChainedText();
OutlinerParaObject *InsertOverflowingText(Outliner *, OutlinerParaObject *);
OutlinerParaObject *RemoveOverflowingText(Outliner *);
static ESelection GetInsertionPointSel();
ESelection GetOverflowPointSel() const;
bool IsLastParaInterrupted() const;
protected:
void impSetOutlinerToEmptyTxt(Outliner *);
private:
NonOverflowingText *mpNonOverflowingTxt;
OverflowingText *mpOverflowingTxt;
bool mbIsDeepMerge;
};
// UFlowChainedText is a simpler class than OFlowChainedText: it almost only joins para-objects
class EDITENG_DLLPUBLIC UFlowChainedText
{
public:
UFlowChainedText(Outliner *, bool);
OutlinerParaObject *CreateMergedUnderflowParaObject(Outliner *, OutlinerParaObject *);
private:
TranferableText mxUnderflowingTxt;
bool mbIsDeepMerge;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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