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** Copyright (C) 2016 The Qt Company Ltd.
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#pragma once

#include "vcsbase_global.h"

#include "vcsbaseclientsettings.h"

#include <coreplugin/dialogs/ioptionspage.h>

#include <QWidget>

#include <functional>

namespace Core { class IVersionControl; }

namespace VcsBase {

class VCSBASE_EXPORT VcsBaseOptionsPage : public Core::IOptionsPage
{
public:
    explicit VcsBaseOptionsPage(QObject *parent = 0);
    ~VcsBaseOptionsPage() override;
};

class VcsBaseClientImpl;

class VCSBASE_EXPORT VcsClientOptionsPageWidget : public QWidget
{
    Q_OBJECT

public:
    VcsClientOptionsPageWidget(QWidget *parent = 0);

    virtual void setSettings(const VcsBaseClientSettings &s) = 0;
    virtual VcsBaseClientSettings settings() const = 0;
};

class VCSBASE_EXPORT VcsClientOptionsPage : public VcsBaseOptionsPage
{
    Q_OBJECT

public:
    using WidgetFactory = std::function<VcsClientOptionsPageWidget *()>;

    explicit VcsClientOptionsPage(Core::IVersionControl *control, VcsBaseClientImpl *client, QObject *parent = 0);

    VcsClientOptionsPageWidget *widget() override;
    virtual void apply() override;
    virtual void finish() override;

signals:
    void settingsChanged();

protected:
    void setWidgetFactory(WidgetFactory factory);

private:
    WidgetFactory m_factory;
    VcsClientOptionsPageWidget *m_widget;
    VcsBaseClientImpl *const m_client;
};

} // namespace VcsBase