/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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
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** use the contact form at http://qt.digia.com/contact-us.
**
** 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
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****************************************************************************/

#ifndef OPENPAGESWIDGET_H
#define OPENPAGESWIDGET_H

#include <QStyledItemDelegate>
#include <QTreeView>

namespace Help {
    namespace Internal {

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:
    explicit OpenPagesWidget(OpenPagesModel *model, QWidget *parent = 0);
    ~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);

private:
    bool m_allowContextMenu;
    OpenPagesDelegate *m_delegate;
};

    } // namespace Internal
} // namespace Help

#endif // OPENPAGESWIDGET_H
