kexidblineedit.h

/* This file is part of the KDE project
   Copyright (C) 2005 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2004-2007 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 KexiDBLineEdit_H
#define KexiDBLineEdit_H
 
#include <klineedit.h>
#include <tqvalidator.h>
 
#include "kexiformdataiteminterface.h"
#include "kexidbtextwidgetinterface.h"
#include "kexidbutils.h"
#include <widget/tableview/kexitextformatter.h>
#include <widget/utils/kexidatetimeformatter.h>
 
class KexiDBWidgetContextMenuExtender;

void setLighterGrayBackgroundColor(TQWidget* widget);


class KEXIFORMUTILS_EXPORT KexiDBLineEdit :
    public KLineEdit,
    protected KexiDBTextWidgetInterface,
    public KexiFormDataItemInterface,
    public KexiSubwidgetInterface
{
    TQ_OBJECT
  
    TQ_PROPERTY(TQString dataSource READ dataSource WRITE setDataSource DESIGNABLE true)
    TQ_PROPERTY(TQCString dataSourceMimeType READ dataSourceMimeType WRITE setDataSourceMimeType DESIGNABLE true)
    TQ_OVERRIDE(bool readOnly READ isReadOnly WRITE setReadOnly DESIGNABLE true)
 
    public:
        KexiDBLineEdit(TQWidget *parent, const char *name=0);
        virtual ~KexiDBLineEdit();
 
        inline TQString dataSource() const { return KexiFormDataItemInterface::dataSource(); }
        inline TQCString dataSourceMimeType() const { return KexiFormDataItemInterface::dataSourceMimeType(); }
        virtual TQVariant value();
        virtual void setInvalidState( const TQString& displayText );

        virtual bool valueIsNull();

        virtual bool valueIsEmpty();

        virtual bool valueIsValid();

        virtual bool isReadOnly() const;

        virtual void setDisplayDefaultValue(TQWidget* widget, bool displayDefaultValue);

        virtual TQWidget* widget();
 
        virtual bool cursorAtStart();
        virtual bool cursorAtEnd();
        virtual void clear();
 
        virtual void setColumnInfo(KexiDB::QueryColumnInfo* cinfo);

        virtual void handleAction(const TQString& actionName);

        virtual bool keyPressed(TQKeyEvent *ke);
 
    public slots:
        inline void setDataSource(const TQString &ds) { KexiFormDataItemInterface::setDataSource(ds); }
        inline void setDataSourceMimeType(const TQCString &ds) { KexiFormDataItemInterface::setDataSourceMimeType(ds); }
        virtual void setReadOnly( bool readOnly );

        virtual void undo();

        virtual void moveCursorToEnd();

        virtual void moveCursorToStart();

        virtual void selectAll();
 
    protected slots:
        void slotTextChanged(const TQString&);
 
    protected:
        virtual void paintEvent ( TQPaintEvent * );
        virtual void setValueInternal(const TQVariant& add, bool removeOld);
        virtual bool event ( TQEvent * );
 
#if 0
//moved to KexiTextFormatter
        inline KexiDateFormatter* dateFormatter() {
            return m_dateFormatter ? m_dateFormatter : m_dateFormatter = new KexiDateFormatter();
        }
 
        inline KexiTimeFormatter* timeFormatter() {
            return m_timeFormatter ? m_timeFormatter : m_timeFormatter = new KexiTimeFormatter();
        }
#endif
 
        virtual TQPopupMenu * createPopupMenu();

        virtual bool appendStretchRequired(KexiDBAutoField* autoField) const;
 
#if 0
//moved to KexiTextFormatter
        KexiDateFormatter* m_dateFormatter;
        KexiTimeFormatter* m_timeFormatter;
#endif
        KexiTextFormatter m_textFormatter;

        TQGuardedPtr<const TQValidator> m_readOnlyValidator;

        TQGuardedPtr<const TQValidator> m_readWriteValidator;

        KexiDBWidgetContextMenuExtender m_menuExtender;

        bool m_internalReadOnly : 1;

        bool m_slotTextChanged_enabled : 1;
};
 
#endif