|  | Home · All Classes · All Functions · Overviews

# tablemodel.cpp Example File
itemviews/addressbook/tablemodel.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:LGPL$
     ** Commercial Usage
     ** Licensees holding valid Qt Commercial licenses may use this file in
     ** accordance with the Qt Commercial License Agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and Nokia.
     **
     ** 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.
     **
     ** In addition, as a special exception, Nokia gives you certain additional
     ** rights.  These rights are described in the Nokia Qt LGPL Exception
     ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.GPL included in the
     ** packaging of this file.  Please review the following information to
     ** ensure the GNU General Public License version 3.0 requirements will be
     ** met: http://www.gnu.org/copyleft/gpl.html.
     **
     ** If you have questions regarding the use of this file, please contact
     ** Nokia at qt-info@nokia.com.
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #include "tablemodel.h"

     TableModel::TableModel(QObject *parent)
         : QAbstractTableModel(parent)
     {
     }

     TableModel::TableModel(QList< QPair<QString, QString> > pairs, QObject *parent)
         : QAbstractTableModel(parent)
     {
         listOfPairs=pairs;
     }

     int TableModel::rowCount(const QModelIndex &parent) const
     {
         Q_UNUSED(parent);
         return listOfPairs.size();
     }

     int TableModel::columnCount(const QModelIndex &parent) const
     {
         Q_UNUSED(parent);
         return 2;
     }

     QVariant TableModel::data(const QModelIndex &index, int role) const
     {
         if (!index.isValid())
             return QVariant();

         if (index.row() >= listOfPairs.size() || index.row() < 0)
             return QVariant();

         if (role == Qt::DisplayRole) {
             QPair<QString, QString> pair = listOfPairs.at(index.row());

             if (index.column() == 0)
                 return pair.first;
             else if (index.column() == 1)
                 return pair.second;
         }
         return QVariant();
     }

     QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const
     {
         if (role != Qt::DisplayRole)
             return QVariant();

         if (orientation == Qt::Horizontal) {
             switch (section) {
                 case 0:
                     return tr("Name");

                 case 1:
                     return tr("Address");

                 default:
                     return QVariant();
             }
         }
         return QVariant();
     }

     bool TableModel::insertRows(int position, int rows, const QModelIndex &index)
     {
         Q_UNUSED(index);
         beginInsertRows(QModelIndex(), position, position+rows-1);

         for (int row=0; row < rows; row++) {
             QPair<QString, QString> pair(" ", " ");
             listOfPairs.insert(position, pair);
         }

         endInsertRows();
         return true;
     }

     bool TableModel::removeRows(int position, int rows, const QModelIndex &index)
     {
         Q_UNUSED(index);
         beginRemoveRows(QModelIndex(), position, position+rows-1);

         for (int row=0; row < rows; ++row) {
             listOfPairs.removeAt(position);
         }

         endRemoveRows();
         return true;
     }

     bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role)
     {
             if (index.isValid() && role == Qt::EditRole) {
                     int row = index.row();

                     QPair<QString, QString> p = listOfPairs.value(row);

                     if (index.column() == 0)
                             p.first = value.toString();
                     else if (index.column() == 1)
                             p.second = value.toString();
             else
                 return false;

             listOfPairs.replace(row, p);
                     emit(dataChanged(index, index));

             return true;
             }

             return false;
     }

     Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
     {
         if (!index.isValid())
             return Qt::ItemIsEnabled;

         return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
     }

     QList< QPair<QString, QString> > TableModel::getList()
     {
         return listOfPairs;
     }