/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Designer of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
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****************************************************************************/

#ifndef QUILOADER_H
#define QUILOADER_H

#include <QtCore/QObject>
#include <QtCore/QScopedPointer>

QT_BEGIN_NAMESPACE

class QWidget;
class QLayout;
class QAction;
class QActionGroup;
class QString;
class QIODevice;
class QDir;

class QUiLoaderPrivate;
class QUiLoader : public QObject
{
    Q_OBJECT
public:
    explicit QUiLoader(QObject *parent = Q_NULLPTR);
    virtual ~QUiLoader();

    QStringList pluginPaths() const;
    void clearPluginPaths();
    void addPluginPath(const QString &path);

    QWidget *load(QIODevice *device, QWidget *parentWidget = Q_NULLPTR);
    QStringList availableWidgets() const;
    QStringList availableLayouts() const;

    virtual QWidget *createWidget(const QString &className, QWidget *parent = Q_NULLPTR, const QString &name = QString());
    virtual QLayout *createLayout(const QString &className, QObject *parent = Q_NULLPTR, const QString &name = QString());
    virtual QActionGroup *createActionGroup(QObject *parent = Q_NULLPTR, const QString &name = QString());
    virtual QAction *createAction(QObject *parent = Q_NULLPTR, const QString &name = QString());

    void setWorkingDirectory(const QDir &dir);
    QDir workingDirectory() const;

    void setLanguageChangeEnabled(bool enabled);
    bool isLanguageChangeEnabled() const;

    void setTranslationEnabled(bool enabled);
    bool isTranslationEnabled() const;

    QString errorString() const;

private:
    QScopedPointer<QUiLoaderPrivate> d_ptr;
    Q_DECLARE_PRIVATE(QUiLoader)
    Q_DISABLE_COPY(QUiLoader)
};

QT_END_NAMESPACE

#endif // QUILOADER_H