/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbWidgets module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#ifndef HBVALIDATOR_H

#define HBVALIDATOR_H

//#define HBVALIDATOR_DEBUG_ENABLE

#include <hbglobal.h>

#include <QObject>

#include <QValidator>

QT_FORWARD_DECLARE_CLASS(QTextDocument) 

QT_FORWARD_DECLARE_CLASS(QTextCursor) 

class HbValidatorPrivate;

class HB_WIDGETS_EXPORT HbValidator : public QObject

{

public:

    enum ChangeSource {

        CursorChangeFromOperation,

        CursorChangeFromMouse,

        CursorChangeFromContentUpdate,

        CursorChangeFromContentSet

    };

    explicit HbValidator(QObject *parent=0);

    virtual ~HbValidator();

    QString defaultValue();

    void addField(QValidator *validator, const QString &defaultValue);

    void addField(const QString &separatorBeforeField, QValidator *validator, const QString &defaultValue);

    void setDefaultSeparator(const QString &str);

    QString defaultSeparator();

    QString separatorAt(int index);

    virtual QValidator::State validateContent(QTextCursor &cursor, int changePosition, int changeCharsRemoved, int changeCharsAdded);

    virtual void validateCursorPosition(const QTextCursor &oldCursor, QTextCursor &newCursor, HbValidator::ChangeSource source);

    virtual void updateTextCursor(QTextCursor &cursor);

protected:

    HbValidatorPrivate *const d_ptr;

    HbValidator(HbValidatorPrivate &dd, QObject *parent);

private:

    Q_DISABLE_COPY(HbValidator)

    Q_DECLARE_PRIVATE_D(d_ptr, HbValidator)

};

#endif // HBVALIDATOR_H