kexidbform.h

/* This file is part of the KDE project
   Copyright (C) 2004 Lucijan Busch <lucijan@kde.org>
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2005-2007 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 KEXIDBFORM_H
#define KEXIDBFORM_H
 
#include <tqpixmap.h>
 
#include <formeditor/form.h>
#include "../kexiformdataiteminterface.h"
 
#ifdef KEXI_USE_GRADIENT_WIDGET
#include <kexigradientwidget.h>
# define KexiDBFormBase KexiGradientWidget
#else
# define KexiDBFormBase TQWidget
#endif
 
class KexiDataAwareObjectInterface;
class KexiFormScrollView;

class KEXIFORMUTILS_EXPORT KexiDBForm : 
    public KexiDBFormBase,
    public KFormDesigner::FormWidget,
    public KexiFormDataItemInterface
{
    TQ_OBJECT
  
    TQ_PROPERTY(TQString dataSource READ dataSource WRITE setDataSource DESIGNABLE true)
    TQ_PROPERTY(TQCString dataSourceMimeType READ dataSourceMimeType WRITE setDataSourceMimeType DESIGNABLE true)
    TQ_PROPERTY(bool autoTabStops READ autoTabStops WRITE setAutoTabStops DESIGNABLE true)
    //original "size" property is not designable, so here's a custom (not storable) replacement
    TQ_PROPERTY( TQSize sizeInternal READ sizeInternal WRITE resizeInternal DESIGNABLE true STORED false )
    public:
        KexiDBForm(TQWidget *parent, KexiDataAwareObjectInterface* dataAwareObject, const char *name="kexi_dbform");
        virtual ~KexiDBForm();
 
        KexiDataAwareObjectInterface* dataAwareObject() const;
 
        inline TQString dataSource() const { return KexiFormDataItemInterface::dataSource(); }
        inline TQCString dataSourceMimeType() const { return KexiFormDataItemInterface::dataSourceMimeType(); }

        TQVariant value() { return TQVariant(); }
 
        virtual void setInvalidState( const TQString& displayText );
 
        virtual void drawRect(const TQRect& r, int type);
        virtual void drawRects(const TQValueList<TQRect> &list, int type);
        virtual void initBuffer();
        virtual void clearForm();
        virtual void highlightWidgets(TQWidget *from, TQWidget *to/*, const TQPoint &p*/);
 
        virtual TQSize sizeHint() const;
 
        bool autoTabStops() const;
 
        TQPtrList<TQWidget>* orderedFocusWidgets() const;
 
        TQPtrList<TQWidget>* orderedDataAwareWidgets() const;
        
        void updateTabStopsOrder(KFormDesigner::Form* form);
 
        void updateTabStopsOrder();
 
        virtual bool eventFilter ( TQObject * watched, TQEvent * e );
 
        virtual bool valueIsNull();
        virtual bool valueIsEmpty();
        virtual bool isReadOnly() const;
        virtual TQWidget* widget();
        virtual bool cursorAtStart();
        virtual bool cursorAtEnd();
        virtual void clear();
 
        bool preview() const;
 
        virtual void setCursor( const TQCursor & cursor );
 
    public slots:
        void setAutoTabStops(bool set);
        inline void setDataSource(const TQString &ds) { KexiFormDataItemInterface::setDataSource(ds); }
        inline void setDataSourceMimeType(const TQCString &ds) { KexiFormDataItemInterface::setDataSourceMimeType(ds); }

        virtual void setReadOnly( bool readOnly );

        TQSize sizeInternal() const { return KexiDBFormBase::size(); }

        void resizeInternal(const TQSize& s) { KexiDBFormBase::resize(s); }
 
    signals:
        void handleDragMoveEvent(TQDragMoveEvent *e);
        void handleDropEvent(TQDropEvent *e);
 
    protected:
        virtual void setValueInternal(const TQVariant&, bool) {}

        virtual void dragMoveEvent( TQDragMoveEvent *e );

        virtual void dropEvent( TQDropEvent *e );

        void updateReadOnlyFlags();
//      virtual void paintEvent( TQPaintEvent * );

        KexiFormDataItemInterface *editedItem;
 
        class Private;
        Private *d;
 
        friend class KexiFormScrollView;
};
 
#endif