/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the Assistant module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
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** use the contact form at http://qt.digia.com/contact-us.
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** In addition, as a special exception, Digia gives you certain additional
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****************************************************************************/

#ifndef OPENPAGESWIDGET_H
#define OPENPAGESWIDGET_H

#include <QtWidgets/QStyledItemDelegate>
#include <QtWidgets/QTreeView>

QT_BEGIN_NAMESPACE

class OpenPagesModel;

class OpenPagesDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    explicit OpenPagesDelegate(QObject *parent = 0);
    void paint(QPainter *painter, const QStyleOptionViewItem &option,
        const QModelIndex &index) const;

    mutable QModelIndex pressedIndex;
};

class OpenPagesWidget : public QTreeView
{
    Q_OBJECT
public:
    OpenPagesWidget(OpenPagesModel *model);
    ~OpenPagesWidget();

    void selectCurrentPage();
    void allowContextMenu(bool ok);

signals:
    void setCurrentPage(const QModelIndex &index);
    void closePage(const QModelIndex &index);
    void closePagesExcept(const QModelIndex &index);

private slots:
    void contextMenuRequested(QPoint pos);
    void handlePressed(const QModelIndex &index);
    void handleClicked(const QModelIndex &index);

private:
    bool eventFilter(QObject *obj, QEvent *event);

    bool m_allowContextMenu;
    OpenPagesDelegate *m_delegate;
};

QT_END_NAMESPACE

#endif // OPENPAGESWIDGET_H
