/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company.  For licensing terms and
** conditions see http://www.qt.io/terms-conditions.  For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights.  These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#ifndef CLASSNAMEVALIDATINGLINEEDIT_H
#define CLASSNAMEVALIDATINGLINEEDIT_H

#include "fancylineedit.h"

namespace Utils {

struct ClassNameValidatingLineEditPrivate;

class QTCREATOR_UTILS_EXPORT ClassNameValidatingLineEdit : public FancyLineEdit
{
    Q_OBJECT
    Q_PROPERTY(bool namespacesEnabled READ namespacesEnabled WRITE setNamespacesEnabled DESIGNABLE true)
    Q_PROPERTY(bool lowerCaseFileName READ lowerCaseFileName WRITE setLowerCaseFileName)

public:
    explicit ClassNameValidatingLineEdit(QWidget *parent = 0);
    virtual ~ClassNameValidatingLineEdit();

    bool namespacesEnabled() const;
    void setNamespacesEnabled(bool b);

    QString namespaceDelimiter();
    void setNamespaceDelimiter(const QString &delimiter);

    bool lowerCaseFileName() const;
    void setLowerCaseFileName(bool v);

    bool forceFirstCapitalLetter() const;
    void setForceFirstCapitalLetter(bool b);

    // Clean an input string to get a valid class name.
    static QString createClassName(const QString &name);

signals:
    // Will be emitted with a suggestion for a base name of the
    // source/header file of the class.
    void updateFileName(const QString &t);

protected:
    bool validate(const QString &value, QString *errorMessage) const;
    void handleChanged(const QString &t);
    QString fixInputString(const QString &string);

private:
    void updateRegExp() const;

    ClassNameValidatingLineEditPrivate *d;
};

} // namespace Utils

#endif // CLASSNAMEVALIDATINGLINEEDIT_H
