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/* This file is part of the KDE project
* Copyright (C) 2006, 2009-2010 Thomas Zander <zander@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KOTEXTSHAPEDATA_H
#define KOTEXTSHAPEDATA_H
#include "KoText.h"
#include "textlayout_export.h"
#include <KoTextShapeDataBase.h>
#include <KoInsets.h>
#include <KoXmlReaderForward.h>
class QTextDocument;
class QTextCursor;
class KoXmlWriter;
class KoShapeLoadingContext;
class KoShapeSavingContext;
class KoTextShapeDataPrivate;
class KoTextPage;
class KoDocumentRdfBase;
class KoTextLayoutRootArea;
/**
* The data store that is held by each TextShape instance.
* This is a separate object to allow Words proper to use this class' API and
* access the internals of the text shape.
*
* This class holds a QTextDocument pointer and is built so multiple shapes (and thus
* multiple instances of this shape data) can share one QTextDocument by providing a
* different view on (a different part of) the QTextDocument.
*/
class TEXTLAYOUT_EXPORT KoTextShapeData : public KoTextShapeDataBase
{
Q_OBJECT
public:
/// constructor
KoTextShapeData();
virtual ~KoTextShapeData();
/**
* Replace the QTextDocument this shape will render.
* @param document the new document. If there was an old document owned, it will be deleted.
* @param transferOwnership if true then the document will be considered the responsibility
* of this data and the doc will be deleted when this shapeData dies.
*/
void setDocument(QTextDocument *document, bool transferOwnership = true);
/**
* return the amount of points into the document (y) this shape will display.
*/
qreal documentOffset() const;
/// mark shape as dirty triggering a re-layout of its text.
void setDirty();
/// return if the shape is marked dirty and its text content needs to be relayout
bool isDirty() const;
/// returns true if the selection of the cursor is visible in this shape
bool isCursorVisible(QTextCursor *cursor) const;
/// Set the rootArea that is associated to the textshape
void setRootArea(KoTextLayoutRootArea *rootArea);
/// the rootArea that is associated to the textshape
KoTextLayoutRootArea *rootArea();
/**
* Load the TextShape from ODF.
*
* @see the @a TextShape::loadOdf() method which calls this method.
* @see the @a KoTextLoader::loadBody() method which got called by this method
* to load the ODF.
*/
bool loadOdf(const KoXmlElement &element, KoShapeLoadingContext &context, KoDocumentRdfBase *rdfData, KoShape *shape = 0);
/**
* Load the TextShape from ODF.
* Overloaded method provided for your convenience.
*/
virtual bool loadOdf(const KoXmlElement &element, KoShapeLoadingContext &context) {
return loadOdf(element, context, 0);
}
/**
* Store the TextShape data as ODF.
* @see TextShape::saveOdf()
*/
void saveOdf(KoShapeSavingContext &context, KoDocumentRdfBase *rdfData, int from = 0, int to = -1) const;
/**
* Store the TextShape data as ODF.
* Overloaded method provided for your convenience.
*/
virtual void saveOdf(KoShapeSavingContext &context, int from = 0, int to = -1) const {
saveOdf(context, 0, from, to);
}
// reimplemented
virtual void loadStyle(const KoXmlElement &element, KoShapeLoadingContext &context);
// reimplemented
virtual void saveStyle(KoGenStyle &style, KoShapeSavingContext &context) const;
/**
* Set the page direction.
* The page direction will determine behavior on the insertion of new text and those
* new paragraphs default direction.
*/
void setPageDirection(KoText::Direction direction);
/**
* Return the direction set on the page.
* The page direction will determine behavior on the insertion of new text and those
* new paragraphs default direction.
*/
KoText::Direction pageDirection() const;
private:
Q_DECLARE_PRIVATE(KoTextShapeData)
};
#endif
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