kexirecordnavigator.h

/* This file is part of the KDE project
   Copyright (C) 2004 Lucijan Busch <lucijan@kde.org>
   Copyright (C) 2003-2004 Jaroslaw Staniek <js@iidea.pl>
 
   This program 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 program 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 program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef KEXIRECORDNAVIGATOR_H
#define KEXIRECORDNAVIGATOR_H
 
#include <tqframe.h>
#include <kexi_export.h>
 
class TQToolButton;
class TQIntValidator;
class TQScrollView;
class TQScrollBar;
class TQLabel;
class KLineEdit;
class KGuiItem;
class KexiRecordNavigatorPrivate;

class KEXIGUIUTILS_EXPORT KexiRecordNavigatorHandler
{
    public:
        KexiRecordNavigatorHandler();
        virtual ~KexiRecordNavigatorHandler();

        virtual void moveToRecordRequested(uint r) = 0;
        virtual void moveToLastRecordRequested() = 0;
        virtual void moveToPreviousRecordRequested() = 0;
        virtual void moveToNextRecordRequested() = 0;
        virtual void moveToFirstRecordRequested() = 0;
        virtual void addNewRecordRequested() = 0;
};
 


class KEXIGUIUTILS_EXPORT KexiRecordNavigator : public TQFrame
{
    TQ_OBJECT
  
 
    public:
        KexiRecordNavigator(TQWidget *parent, int leftMargin = 0, const char *name=0);
        virtual ~KexiRecordNavigator();
 
        void setParentView(TQScrollView *view);

        void setRecordHandler(KexiRecordNavigatorHandler *handler);

        inline bool isInsertingEnabled() const { return m_isInsertingEnabled; }

        uint currentRecordNumber() const;

        uint recordCount() const;

        void setHBarGeometry( TQScrollBar & hbar, int x, int y, int w, int h );

        virtual bool eventFilter( TQObject *o, TQEvent *e );

        bool editingIndicatorVisible() const;

        bool editingIndicatorEnabled() const;


        class KEXIGUIUTILS_EXPORT Actions {
            public:
                static const KGuiItem& moveToFirstRecord();
                static const KGuiItem& moveToPreviousRecord();
                static const KGuiItem& moveToNextRecord();
                static const KGuiItem& moveToLastRecord();
                static const KGuiItem& moveToNewRecord();
        };
 
    public slots:
        void setInsertingEnabled(bool set);

        void setInsertingButtonVisible(bool set);

        void setEditingIndicatorEnabled(bool set);

        void showEditingIndicator(bool show);
 
        virtual void setEnabled(bool set);

        void setCurrentRecordNumber(uint r);

        void setRecordCount(uint count);
 
        void updateGeometry(int leftMargin);

        void setLabelText(const TQString& text);
 
    signals:
        void prevButtonClicked();
        void nextButtonClicked();
        void lastButtonClicked();
        void firstButtonClicked();
        void newButtonClicked();
        void recordNumberEntered( uint r );
 
    protected slots:
        void slotPrevButtonClicked();
        void slotNextButtonClicked();
        void slotLastButtonClicked();
        void slotFirstButtonClicked();
        void slotNewButtonClicked();
        //void slotRecordNumberReturnPressed(const TQString& text);
 
    protected:
        void updateButtons(uint recCnt);
 
        TQLabel *m_textLabel;
        TQToolButton *m_navBtnFirst;
        TQToolButton *m_navBtnPrev;
        TQToolButton *m_navBtnNext;
        TQToolButton *m_navBtnLast;
        TQToolButton *m_navBtnNew;
        KLineEdit *m_navRecordNumber;
        TQIntValidator *m_navRecordNumberValidator;
        KLineEdit *m_navRecordCount; 
        uint m_nav1DigitWidth;
//      uint m_recordCount;
        TQScrollView *m_view;
        bool m_isInsertingEnabled : 1;
 
        KexiRecordNavigatorPrivate *d;
};
 
#endif