/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "tablemodel.h"

//! [0]
TableModel::TableModel(QObject *parent)
    : QAbstractTableModel(parent)
{
}

TableModel::TableModel(QList< QPair<QString, QString> > pairs, QObject *parent)
    : QAbstractTableModel(parent)
{
    listOfPairs=pairs;
}
//! [0]

//! [1]
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;
}
//! [1]

//! [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();
}
//! [2]

//! [3]
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();
}
//! [3]

//! [4]
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;
}
//! [4]

//! [5]
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;
}
//! [5]

//! [6]
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;
}
//! [6]

//! [7]
Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
{
    if (!index.isValid())
        return Qt::ItemIsEnabled;
    
    return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
}
//! [7]

//! [8]
QList< QPair<QString, QString> > TableModel::getList()
{
    return listOfPairs;
}
//! [8]
