qt5base-lts/examples/tutorials/modelview/5_edit/mymodel.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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****************************************************************************/
#include "mymodel.h"
MyModel::MyModel(QObject *parent)
:QAbstractTableModel(parent)
{
}
//-----------------------------------------------------------------
int MyModel::rowCount(const QModelIndex & /*parent*/) const
{
return ROWS;
}
//-----------------------------------------------------------------
int MyModel::columnCount(const QModelIndex & /*parent*/) const
{
return COLS;
}
//-----------------------------------------------------------------
QVariant MyModel::data(const QModelIndex &index, int role) const
{
if (role == Qt::DisplayRole)
{
return m_gridData[index.row()][index.column()];
}
return QVariant();
}
//-----------------------------------------------------------------
//! [quoting mymodel_e]
bool MyModel::setData(const QModelIndex & index, const QVariant & value, int role)
{
if (role == Qt::EditRole)
{
//save value from editor to member m_gridData
m_gridData[index.row()][index.column()] = value.toString();
//for presentation purposes only: build and emit a joined string
QString result;
for(int row= 0; row < ROWS; row++)
{
for(int col= 0; col < COLS; col++)
{
result += m_gridData[row][col] + " ";
}
}
emit editCompleted( result );
}
return true;
}
//! [quoting mymodel_e]
//-----------------------------------------------------------------
//! [quoting mymodel_f]
Qt::ItemFlags MyModel::flags(const QModelIndex & /*index*/) const
{
return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled ;
}
//! [quoting mymodel_f]