AdapterInfoModel.h

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/*
* This file is part of ArmarX.
*
* ArmarX is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* ArmarX is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @package    ArmarX::
* @author     Manfred Kroehnert ( manfred.kroehnert at kit dot edu)
* @date       2013
* @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
*             GNU General Public License
*/
 
#pragma once
 
#include <QAbstractTableModel>
 
#include <IceGrid/Admin.h>
 
class AdapterInfoModel : public QAbstractTableModel
{
    Q_OBJECT
public:
    AdapterInfoModel()
    {
    }
 
    AdapterInfoModel(IceGrid::AdapterDynamicInfoSeq adapterInfo) : adapterInfo(adapterInfo)
    {
    }
 
    int
    rowCount(const QModelIndex& parent = QModelIndex()) const override
    {
        return adapterInfo.size();
    }
 
    int
    columnCount(const QModelIndex& parent = QModelIndex()) const override
    {
        return 2;
    }
 
    QVariant
    data(const QModelIndex& index, int role = Qt::DisplayRole) const override
    {
        if (!index.isValid())
        {
            return QVariant();
        }
 
        if (index.row() >= (int)adapterInfo.size())
        {
            return QVariant();
        }
 
        if (role == Qt::DisplayRole)
        {
            switch (index.column())
            {
                case 0:
                    return QString::fromStdString(adapterInfo.at(index.row()).id);
                    break;
 
                case 1:
                {
                    // A null proxy means the adapter is deactivated; guard the deref.
                    const auto& proxy = adapterInfo.at(index.row()).proxy;
                    return proxy ? QString::fromStdString(proxy->ice_toString()) : QString();
                }
 
                default:
                    return QVariant();
            }
        }
 
        return QVariant();
    }
 
    QVariant
    headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override
    {
        if (role != Qt::DisplayRole)
        {
            return QVariant();
        }
 
        if (orientation == Qt::Horizontal)
        {
            switch (section)
            {
                case 0:
                    return QString("ID");
                    break;
 
                case 1:
                    return QString("Proxy");
                    break;
 
                default:
                    return QString("");
                    break;
            }
        }
 
        return QVariant();
    }
 
    Qt::ItemFlags
    flags(const QModelIndex& index) const override
    {
        return Qt::ItemFlags(0);
    }
 
    bool
    setData(IceGrid::AdapterDynamicInfoSeq newInfo)
    {
        // GUI-thread only (see ServerInfoModel): no mutex, and endResetModel() already
        // notifies the views so the out-of-range post-reset dataChanged() is gone
        // (issues #64.12b/#64.12c/#64.13b).
        beginResetModel();
        adapterInfo = newInfo;
        endResetModel();
        return true;
    }
 
protected:
    IceGrid::AdapterDynamicInfoSeq adapterInfo;
};