kexiinternalpart.h

/* This file is part of the KDE project
   Copyright (C) 2004 Lucijan Busch <lucijan@kde.org>
   Copyright (C) 2004-2006 Jaroslaw Staniek <js@iidea.pl>
 
   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 KEXIINTERNALPART_H
#define KEXIINTERNALPART_H
 
#include <tqobject.h>
#include <tqguardedptr.h>
#include <tqvariant.h>
 
class KexiMainWindow;
class KexiDialogBase;
class KexiViewBase;
 
namespace KexiDB {
    class MessageHandler;
}
 
class TQWidget;

class KEXICORE_EXPORT KexiInternalPart : public TQObject
{
    TQ_OBJECT
  
 
    public:
        KexiInternalPart(TQObject *parent, const char *name, const TQStringList &);
        virtual ~KexiInternalPart();
    
        KexiDialogBase *instance(KexiMainWindow *parent);

        static TQWidget* createWidgetInstance(const char* partName, const char* widgetClass, 
            KexiDB::MessageHandler *msgHdr, KexiMainWindow* mainWin, 
            TQWidget *parent, const char *objName = 0, TQMap<TQString,TQString>* args = 0);

        static TQWidget* createWidgetInstance(const char* partName,
            KexiDB::MessageHandler *msgHdr, KexiMainWindow* mainWin, 
            TQWidget *parent, const char *objName = 0, TQMap<TQString,TQString>* args = 0)
         { return createWidgetInstance(partName, 0, msgHdr, mainWin, parent, objName, args); }

        static KexiDialogBase* createKexiDialogInstance(const char* partName, 
            KexiDB::MessageHandler *msgHdr, KexiMainWindow* mainWin, const char *objName = 0);

        static TQDialog* createModalDialogInstance(const char* partName, 
            const char* dialogClass, KexiDB::MessageHandler *msgHdr, KexiMainWindow* mainWin, 
            const char *objName = 0, TQMap<TQString,TQString>* args = 0);

        static TQDialog* createModalDialogInstance(const char* partName, 
            KexiDB::MessageHandler *msgHdr, KexiMainWindow* mainWin, const char *objName = 0, 
            TQMap<TQString,TQString>* args = 0)
        { return createModalDialogInstance(partName, 0, msgHdr, mainWin, objName, args); }

        static bool executeCommand(const char* partName, 
            KexiMainWindow* mainWin, const char* commandName, TQMap<TQString,TQString>* args = 0);

        static const KexiInternalPart* part(KexiDB::MessageHandler *msgHdr, const char* partName);

        inline bool uniqueDialog() const { return m_uniqueDialog; }

        inline bool cancelled() const { return m_cancelled; }
        
    protected:
        KexiDialogBase *findOrCreateKexiDialog(KexiMainWindow* mainWin, 
         const char *objName);

        virtual TQWidget *createWidget(const char* widgetClass, KexiMainWindow* mainWin, 
            TQWidget * parent, const char * objName = 0, TQMap<TQString,TQString>* args = 0);
        
//      //! Reimplement this if your internal part has to return dialogs
//      virtual KexiDialogBase *createDialog(KexiMainWindow* /*mainWin*/, 
//       const char * /*objName*/ =0)
//       { return 0; }
        
        virtual KexiViewBase *createView(KexiMainWindow* mainWin, TQWidget * parent,
            const char *objName = 0);

        virtual bool executeCommand(KexiMainWindow* mainWin, const char* commandName, 
            TQMap<TQString,TQString>* args = 0);

        TQGuardedPtr<TQWidget> m_uniqueWidget; 
        
        bool m_uniqueDialog : 1; 
 
        bool m_cancelled : 1; 
};
 
#endif