koffice/karbon/karbon_part.h

/* This file is part of the KDE project
   Copyright (C) 2001, 2002, 2003 The Karbon Developers

   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 __KARBON_PART_H__
#define __KARBON_PART_H__


#include <tqptrlist.h>

#include <KoDocument.h>
#include <KoUnit.h>
#include "vdocument.h"
#include "koffice_export.h"

class DCOPObject;
class KoRect;
class TQRect;
class VCommand;
class VDocument;
class VCommandHistory;

/**
 * Keeps track of visual per document properties.
 * It manages actions performed on this object in a command history.
 * It loads initial settings and applies them to the document and its views.
 * Finally a dcop interface is set up here.
 */

class KARBONCOMMON_EXPORT KarbonPart : public KoDocument
{
	TQ_OBJECT
  
public:
	KarbonPart( TQWidget* parentWidget = 0L, const char* widgetName = 0L,
				TQObject* parent = 0L, const char* name = 0L, bool singleViewMode = false );
	virtual ~KarbonPart();

	virtual void paintContent( TQPainter& painter, const TQRect& rect,
							   bool transparent = false, double zoomX = 1.0, double zoomY = 1.0 );

	/// standard koDocument inherited methods
	virtual bool initDoc(InitDocFlags flags, TQWidget* parentWidget=0);

	/// file-> open calls this method
	virtual bool loadXML( TQIODevice*, const TQDomDocument& document );
	virtual bool loadOasis( const TQDomDocument &doc, KoOasisStyles &styles, const TQDomDocument &settings, KoStore *store );

	/// file-> save and file-> save as call this method
	virtual TQDomDocument saveXML();
	virtual bool saveOasis( KoStore *store, KoXmlWriter *manifestWriter );

	virtual void addShell( KoMainWindow *shell );

	virtual DCOPObject* dcopObject();

	/// insert a new vobject
	void insertObject( VObject* object );

	/// insert a command into the undo/redo-history:
	void addCommand( VCommand* cmd, bool repaint = false );

	// access static document:
	VDocument& document() { return m_doc; }

	// Clear history.
	void clearHistory();

	/// access the command history:
	VCommandHistory* commandHistory()
	{
		return m_commandHistory;
	}

	bool showStatusBar() const
	{
		return m_bShowStatusBar;
	}

	void setShowStatusBar( bool b );
	/// update attached view(s) on the current doc settings
	/// at this time only the status bar is handled
	void reorganizeGUI();

	void setUndoRedoLimit( int undos );

	void initConfig();
	unsigned int maxRecentFiles() const { return m_maxRecentFiles; }

	void setPageLayout( KoPageLayout& layout, KoUnit::Unit _unit );

	bool mergeNativeFormat( const TQString & file );

public slots:
	/// repaint all views attached to this koDocument
	void repaintAllViews( bool repaint = true );
	void repaintAllViews( const KoRect& );
	void slotDocumentRestored();
	void slotCommandExecuted( VCommand * );
	void slotUnitChanged( KoUnit::Unit unit );

protected:
	virtual KoView* createViewInstance( TQWidget* parent, const char* name );
	virtual void removeView( KoView *view );
	void saveOasisSettings( KoXmlWriter &/*settingsWriter*/ );
	void loadOasisSettings( const TQDomDocument&settingsDoc );

private:
	VDocument m_doc;					/// store non-visual doc info
	VCommandHistory* m_commandHistory;	/// maintain a command history for undo/redo

	bool m_bShowStatusBar;				/// enable/disable status bar in attached view(s)
	bool m_merge;
	unsigned int m_maxRecentFiles;				/// max. number of files shown in open recent menu item
	DCOPObject *dcop;
};

#endif