/**************************************************************************
**
** Copyright (C) 2013 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
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** use the contact form at http://qt.digia.com/contact-us.
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** 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.
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** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/

#ifndef QMLCONSOLEITEMMODEL_H
#define QMLCONSOLEITEMMODEL_H

#include <qmljs/consoleitem.h>

#include <QAbstractItemModel>
#include <QItemSelectionModel>

QT_FORWARD_DECLARE_CLASS(QFont)

namespace QmlJSTools {
namespace Internal {

class QmlConsoleItemModel : public QAbstractItemModel
{
    Q_OBJECT
public:
    enum Roles { TypeRole = Qt::UserRole, FileRole, LineRole, ExpressionRole };

    explicit QmlConsoleItemModel(QObject *parent = 0);
    ~QmlConsoleItemModel();

    void setHasEditableRow(bool hasEditableRow);
    bool hasEditableRow() const;
    void appendEditableRow();
    void removeEditableRow();

    bool appendItem(QmlJS::ConsoleItem *item, int position = -1);
    bool appendMessage(QmlJS::ConsoleItem::ItemType itemType, const QString &message,
                       int position = -1);

    int rowCount(const QModelIndex &parent = QModelIndex()) const;

    int sizeOfFile(const QFont &font);
    int sizeOfLineNumber(const QFont &font);

    QmlJS::ConsoleItem *root() const { return m_rootItem; }

public slots:
    void clear();

signals:
    void selectEditableRow(const QModelIndex &index, QItemSelectionModel::SelectionFlags flags);
    void rowInserted(const QModelIndex &index);

protected:
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;

    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
    QModelIndex parent(const QModelIndex &index) const;


    int columnCount(const QModelIndex &parent = QModelIndex()) const;

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

    bool insertRows(int position, int rows, const QModelIndex &parent = QModelIndex());
    bool removeRows(int position, int rows, const QModelIndex &parent = QModelIndex());

    QmlJS::ConsoleItem *getItem(const QModelIndex &index) const;

private:
    bool m_hasEditableRow;
    QmlJS::ConsoleItem *m_rootItem;
    int m_maxSizeOfFileName;
};

} // Internal
} // QmlJSTools

#endif // QMLCONSOLEITEMMODEL_H