QTfrontend/model/roomslistmodel.cpp
author nemo
Sat, 07 Jul 2012 14:29:35 -0400
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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/**
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 * @file
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 * @brief RoomsListModel class implementation
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 */
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#include <QBrush>
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#include <QColor>
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#include <QIcon>
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#include "roomslistmodel.h"
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#include "MapModel.h"
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RoomsListModel::RoomsListModel(QObject *parent) :
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    QAbstractTableModel(parent),
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    c_nColumns(8)
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{
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    m_headerData =
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    QStringList()
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     << tr("In progress")
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     << tr("Room Name")
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     << tr("C")
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     << tr("T")
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     << tr("Owner")
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     << tr("Map")
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     << tr("Rules")
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     << tr("Weapons");
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    m_mapModel = DataManager::instance().mapModel();
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}
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QVariant RoomsListModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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    if(orientation == Qt::Vertical || role != Qt::DisplayRole)
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        return QVariant();
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    else
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        return QVariant(m_headerData.at(section));
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}
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int RoomsListModel::rowCount(const QModelIndex & parent) const
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{
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    if(parent.isValid())
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        return 0;
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    else
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        return m_data.size();
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}
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int RoomsListModel::columnCount(const QModelIndex & parent) const
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{
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    if(parent.isValid())
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        return 0;
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    else
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        return c_nColumns;
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}
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QVariant RoomsListModel::data(const QModelIndex &index, int role) const
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{
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    int column = index.column();
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    int row = index.row();
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    // invalid index
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    if (!index.isValid())
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        return QVariant();
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    // invalid row
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    if ((row < 0) || (row >= m_data.size()))
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        return QVariant();
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    // invalid column
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    if ((column < 0) || (column >= c_nColumns))
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        return QVariant();
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    // not a role we have data for
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    if (role != Qt::DisplayRole)
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        // only custom-align counters
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        if ((role != Qt::TextAlignmentRole)
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            || ((column != PlayerCountColumn) && (column != TeamCountColumn)))
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                // only decorate name column
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                if ((role != Qt::DecorationRole) || (column != NameColumn))
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                    // only dye map column
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                    if ((role != Qt::ForegroundRole) || (column != MapColumn))
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                        return QVariant();
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    // decorate room name based on room state
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    if (role == Qt::DecorationRole)
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    {
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        const QIcon roomBusyIcon(":/res/iconDamage.png");
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        const QIcon roomWaitingIcon(":/res/iconTime.png");
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        if (m_data.at(row).at(0).isEmpty())
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            return QVariant(roomWaitingIcon);
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        else
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            return QVariant(roomBusyIcon);
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    }
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    QString content = m_data.at(row).at(column);
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    if (role == Qt::DisplayRole)
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    {
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        // supply in progress flag as bool
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        if (column == 0)
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            return QVariant(QString(!content.isEmpty()));
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        // display room names
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        if (column == 5)
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        {
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            // special names
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            if (content[0] == '+')
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            {
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                if (content == "+rnd+") return tr("Random Map");
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                if (content == "+maze+") return tr("Random Maze");
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                if (content == "+drawn+") return tr("Hand-drawn");
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            }
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            // prefix ? if map not available
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            if ((m_mapModel->indexOf(content) < 0))
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                return QString ("? %1").arg(content);
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        }
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        return content;
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    }
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    // dye map names red if map not available
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    if (role == Qt::ForegroundRole)
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    {
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        if ((m_mapModel->indexOf(content) < 0))
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            return QBrush(QColor("darkred"));
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        else
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            return QVariant();
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    }
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    if (role == Qt::TextAlignmentRole)
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    {
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        return (int)(Qt::AlignHCenter | Qt::AlignVCenter);
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    }
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    Q_ASSERT(false);
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    return QVariant();
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}
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void RoomsListModel::setRoomsList(const QStringList & rooms)
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{
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    beginResetModel();
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    m_data.clear();
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    int nRooms = rooms.size();
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    for (int i = 0; i < nRooms; i += c_nColumns)
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    {
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        QStringList l;
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#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
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        l.reserve(c_nColumns);  // small optimisation not supported in old Qt
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#endif
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        for (int t = 0; t < c_nColumns; t++)
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        {
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            l.append(rooms[i + t]);
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        }
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        m_data.append(roomInfo2RoomRecord(l));
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    }
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    endResetModel();
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}
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void RoomsListModel::addRoom(const QStringList & info)
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{
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    beginInsertRows(QModelIndex(), 0, 0);
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    m_data.prepend(roomInfo2RoomRecord(info));
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    endInsertRows();
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}
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int RoomsListModel::rowOfRoom(const QString & name)
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{
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    int size = m_data.size();
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    if (size < 1)
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        return -1;
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    int i = 0;
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    // search for record with matching room name
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    while(m_data[i].at(NameColumn) != name)
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    {
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        i++;
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        if(i >= size)
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            return -1;
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    }
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    return i;
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}
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void RoomsListModel::removeRoom(const QString & name)
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{
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    int i = rowOfRoom(name);
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    if (i < 0)
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        return;
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    beginRemoveRows(QModelIndex(), i, i);
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    m_data.removeAt(i);
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    endRemoveRows();
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}
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void RoomsListModel::updateRoom(const QString & name, const QStringList & info)
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{
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    int i = rowOfRoom(name);
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    if (i < 0)
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        return;
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    m_data[i] = roomInfo2RoomRecord(info);
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    emit dataChanged(index(i, 0), index(i, columnCount(QModelIndex()) - 1));
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}
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QStringList RoomsListModel::roomInfo2RoomRecord(const QStringList & info)
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{
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    QStringList result;
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    result = info;
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    // for matters of less memory usage and quicker access store
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    // the boolean string as either "t" or empty
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    if (info[StateColumn].toLower() == "true")
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        result[StateColumn] = "t";
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    else
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        result[StateColumn] = QString();
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    return result;
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}