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

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtGui module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** 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 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 qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#ifndef QSIDEBAR_H

#define QSIDEBAR_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <qlistwidget.h>

#include <qstandarditemmodel.h>

#include <qstyleditemdelegate.h>

#include <qurl.h>

#ifndef QT_NO_FILEDIALOG

QT_BEGIN_NAMESPACE

class QFileSystemModel;

class QSideBarDelegate : public QStyledItemDelegate

{

 public:

     QSideBarDelegate(QWidget *parent = 0) : QStyledItemDelegate(parent) {}

     void initStyleOption(QStyleOptionViewItem *option,

                          const QModelIndex &index) const;

};

class Q_AUTOTEST_EXPORT QUrlModel : public QStandardItemModel

{

    Q_OBJECT

public:

    enum Roles {

        UrlRole = Qt::UserRole + 1,

        EnabledRole = Qt::UserRole + 2

    };

    QUrlModel(QObject *parent = 0);

    QStringList mimeTypes() const;

    QMimeData *mimeData(const QModelIndexList &indexes) const;

#ifndef QT_NO_DRAGANDDROP

    bool canDrop(QDragEnterEvent *event);

    bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);

#endif

    Qt::ItemFlags flags(const QModelIndex &index) const;

    bool setData(const QModelIndex &index, const QVariant &value, int role=Qt::EditRole);

    void setUrls(const QList<QUrl> &list);

    void addUrls(const QList<QUrl> &urls, int row = -1, bool move = true);

    QList<QUrl> urls() const;

    void setFileSystemModel(QFileSystemModel *model);

    bool showFullPath;

private Q_SLOTS:

    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);

    void layoutChanged();

private:

    void setUrl(const QModelIndex &index, const QUrl &url, const QModelIndex &dirIndex);

    void changed(const QString &path);

    void addIndexToWatch(const QString &path, const QModelIndex &index);

    QFileSystemModel *fileSystemModel;

    QList<QPair<QModelIndex, QString> > watching;

    QList<QUrl> invalidUrls;

};

class Q_AUTOTEST_EXPORT QSidebar : public QListView

{

    Q_OBJECT

Q_SIGNALS:

    void goToUrl(const QUrl &url);

public:

    QSidebar(QWidget *parent = 0);

    void init(QFileSystemModel *model, const QList<QUrl> &newUrls);

    ~QSidebar();

    QSize sizeHint() const;

    void setUrls(const QList<QUrl> &list) { urlModel->setUrls(list); }

    void addUrls(const QList<QUrl> &list, int row) { urlModel->addUrls(list, row); }

    QList<QUrl> urls() const { return urlModel->urls(); }

    void selectUrl(const QUrl &url);

protected:

    bool event(QEvent * e);

    void focusInEvent(QFocusEvent *event);

#ifndef QT_NO_DRAGANDDROP

    void dragEnterEvent(QDragEnterEvent *event);

#endif

private Q_SLOTS:

    void clicked(const QModelIndex &index);

#ifndef QT_NO_MENU

    void showContextMenu(const QPoint &position);

#endif

    void removeEntry();

private:

    QUrlModel *urlModel;

};

QT_END_NAMESPACE

#endif // QT_NO_FILEDIALOG

#endif // QSIDEBAR_H