qt-creator/src/plugins/coreplugin/ifile.h

/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** GNU Lesser General Public License Usage
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** 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
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#ifndef IFILE_H
#define IFILE_H

#include "core_global.h"
#include <QtCore/QObject>

namespace Core {

class MimeType;

class CORE_EXPORT IFile : public QObject
{
    Q_OBJECT

public:
    // This enum must match the indexes of the reloadBehavior widget
    // in generalsettings.ui
    enum ReloadBehavior {
        AskForReload = 0,
        ReloadUnmodified = 1,
        ReloadNone = 2,
        ReloadAll,
        ReloadPermissions
    };

    IFile(QObject *parent = 0) : QObject(parent) {}
    virtual ~IFile() {}

    virtual bool save(const QString &fileName = QString()) = 0;
    virtual QString fileName() const = 0;

    virtual QString defaultPath() const = 0;
    virtual QString suggestedFileName() const = 0;
    virtual QString mimeType() const = 0;

    virtual bool isModified() const = 0;
    virtual bool isReadOnly() const = 0;
    virtual bool isSaveAsAllowed() const = 0;

    virtual void modified(ReloadBehavior *behavior) = 0;

    virtual void checkPermissions() {}

signals:
    void changed();
};

} // namespace Core

#endif // IFILE_H