1
/* This file is part of the KDE project
2
* Copyright (c) 2010 Jan Hambrecht <jaham@gmx.net>
4
* This library is free software; you can redistribute it and/or
5
* modify it under the terms of the GNU Lesser General Public
6
* License as published by the Free Software Foundation; either
7
* version 2 of the License, or (at your option) any later version.
9
* This library is distributed in the hope that it will be useful,
10
* but WITHOUT ANY WARRANTY; without even the implied warranty of
11
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12
* Library General Public License for more details.
14
* You should have received a copy of the GNU Lesser General Public License
15
* along with this library; see the file COPYING.LIB. If not, write to
16
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17
* Boston, MA 02110-1301, USA.
20
#include "MatrixDataModel.h"
22
MatrixDataModel::MatrixDataModel(QObject *parent)
23
: QAbstractTableModel(parent)
24
, m_rows(0), m_cols(0)
28
void MatrixDataModel::setMatrix(const QVector<qreal> &matrix, int rows, int cols)
35
Q_ASSERT(m_matrix.count() == m_rows*m_cols);
39
QVector<qreal> MatrixDataModel::matrix() const
44
int MatrixDataModel::rowCount(const QModelIndex &/*parent*/) const
49
int MatrixDataModel::columnCount(const QModelIndex &/*parent*/) const
54
QVariant MatrixDataModel::data(const QModelIndex &index, int role) const
56
int element = index.row() * m_cols + index.column();
60
return QVariant(QString("%1").arg(m_matrix[element], 2));
67
bool MatrixDataModel::setData(const QModelIndex &index, const QVariant &value, int /*role*/)
69
int element = index.row() * m_cols + index.column();
71
qreal elementValue = value.toDouble(&valid);
74
m_matrix[element] = elementValue;
75
emit dataChanged(index, index);
79
Qt::ItemFlags MatrixDataModel::flags(const QModelIndex &/*index*/) const
81
return Qt::ItemIsEnabled|Qt::ItemIsSelectable|Qt::ItemIsEditable;