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/* This file is part of the KDE project
Copyright (C) 1998, 1999 Torben Weis <weis@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 __koDocumentChild_h__
#define __koDocumentChild_h__
#include <KoChild.h>
#include <koffice_export.h>
class TQDomDocument;
class TQDomElement;
class KURL;
class KoStore;
class KoDocument;
class KoDocumentChildPrivate;
class KoDocumentEntry;
class KoXmlWriter;
/**
* @brief Holds an embedded object.
*
* In addition to its base class @ref KoChild it cares about the content
* of an embedded document. That means it supports operations like
* loading and saving.
*
* If you need a representation for embedded documents in your KOffice
* component then you should inherit from this class.
*/
class KOFFICECORE_EXPORT KoDocumentChild : public KoChild
{
TQ_OBJECT
public:
KoDocumentChild( KoDocument* parent, KoDocument* doc, const TQRect& geometry );
/**
* When using this constructor you must call @ref #setDocument before
* you can call any other function of this class.
*/
KoDocumentChild( KoDocument* parent );
virtual ~KoDocumentChild();
/**
* Call this function only directly after calling the constructor
* that takes only a parent as argument.
*/
virtual void setDocument( KoDocument *doc, const TQRect &geometry );
/**
* @return document contained in this child
*
* @see KoDocument
*/
KoDocument *document() const;
/**
* @return parent document of this child
*
* @see KoDocument
*/
virtual KoDocument *parentDocument() const; // TODO: remove virtual, makes no sense
virtual KoDocument* hitTest( const TQPoint& p, const TQWMatrix& _matrix = TQWMatrix() );
/**
* @note Can be empty (which is why it doesn't return a const KURL &)
*/
KURL url() const;
/**
* Writes the "object" tag, but does NOT write the content of the
* embedded documents. Saving the embedded documents themselves
* is done in @ref KoDocument::saveChildren. This function just stores information
* about the position and id of the embedded document and should be
* called from within KoDocument::saveXML.
*
* The "object" element is not added to the document. It is just created
* and returned.
*
* @return the element containing the "object" tag.
*/
virtual TQDomElement save( TQDomDocument& doc, bool uppercase=false );
/**
* Save an embedded object to OASIS.
* This method sets the attributes for the draw:object element in the parent XML document.
* It also prepares the embedded object for being saved into the store at
* the end of saving (see saveOasisToStore).
* Note that @p name is only used for "internal" documents (not extern).
*/
void saveOasisAttributes( KoXmlWriter &xmlWriter, const TQString& name );
/**
* Save an embedded object to an OASIS store.
* This is called automatically by the parent KoDocument's saveOasis
*/
virtual bool saveOasis( KoStore* store, KoXmlWriter* manifestWriter );
/**
* Parses the "object" tag. This does NOT mean creating the child documents.
* AFTER the 'parser' has finished parsing, you must use @ref #loadDocument
* to actually load the embedded documents.
*
* What you should have in mind is that this method is called from within
* @ref KoDocument::loadXML while @ref #loadDocument is called from within
* @ref KoDocument::loadChildren, respectively from your implementation
* of these methods.
*/
virtual bool load( const TQDomElement& element, bool uppercase=false );
void loadOasis( const TQDomElement &frameElement, const TQDomElement& objectElement );
/**
* Actually loads the document from the disk/net or from the store,
* depending on @ref #url
*/
virtual bool loadDocument( KoStore* );
/**
* Actually loads the document from the disk/net or from the store
* depending on the document's url
*/
virtual bool loadOasisDocument( KoStore* store, const TQDomDocument& manifestDoc );
virtual bool isStoredExtern() const;
/**
* This document (child) is deleted.
*/
bool isDeleted() const;
void setDeleted( bool on = true );
protected: // Should be private, but KWord needs access to the variables
// because it reimplements load/save (for uppercase tags)
/**
* Holds the source of this object, for example "file:/home/weis/image.gif"
* or "tar:/table1/2" if it is stored in a koffice store. This variable is
* set after parsing the OBJECT tag in @ref #load and is reset after
* calling @ref #loadDocument.
*/
TQString m_tmpURL;
/**
* This variable is
* set after parsing the OBJECT tag in @ref #load and is reset after
* calling @ref #loadDocument.
*/
TQRect m_tmpGeometry;
/**
* This variable is
* set after parsing the OBJECT tag in @ref #load and is reset after
* calling @ref #loadDocument.
*/
TQString m_tmpMimeType;
private:
bool createUnavailDocument( KoStore* store, bool doOpenURL, const TQString& mimeType );
bool loadDocumentInternal( KoStore* _store, const KoDocumentEntry& e, bool doOpenURL, bool oasis );
private:
KoDocumentChildPrivate *d;
};
#endif
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