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/*
* Copyright 2008 Ben Boeckel <MathStuf@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Header include
#include "TypechartModel.h"
// KDE includes
#include <KColorScheme>
Sigmodr::TypechartModel::TypechartModel(Sigcore::Matrix<Sigcore::Fraction>* typechart, const QStringList& types) :
QAbstractTableModel(),
m_typechart(*typechart),
m_types(types)
{
}
QVariant Sigmodr::TypechartModel::data(const QModelIndex& index, int role) const
{
if (!index.isValid())
return QVariant();
if (role == Qt::DisplayRole)
return QString::number(m_typechart(index.row(), index.column()), 'g', 3);
else if (role == Qt::EditRole)
return QVariant::fromValue(m_typechart(index.row(), index.column()));
else if (role == Qt::BackgroundRole)
{
double multiplier = m_typechart(index.row(), index.column());
if (multiplier <= .5)
return KStatefulBrush(KColorScheme::View, KColorScheme::NegativeBackground).brush(QPalette::Normal);
else if (multiplier < 2.)
return KStatefulBrush(KColorScheme::View, KColorScheme::NeutralBackground).brush(QPalette::Normal);
else
return KStatefulBrush(KColorScheme::View, KColorScheme::PositiveBackground).brush(QPalette::Normal);
}
return QVariant();
}
QVariant Sigmodr::TypechartModel::headerData(int section, Qt::Orientation orientation, int role) const
{
Q_UNUSED(orientation)
if (role == Qt::DisplayRole)
return m_types.at(section);
return QVariant();
}
int Sigmodr::TypechartModel::rowCount(const QModelIndex& parent) const
{
Q_UNUSED(parent)
return m_typechart.height();
}
int Sigmodr::TypechartModel::columnCount(const QModelIndex& parent) const
{
Q_UNUSED(parent)
return m_typechart.width();
}
Qt::ItemFlags Sigmodr::TypechartModel::flags(const QModelIndex& index) const
{
if (!index.isValid())
return 0;
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}
bool Sigmodr::TypechartModel::setData(const QModelIndex& index, const QVariant& value, int role)
{
if (!index.isValid())
return false;
if (role == Qt::EditRole)
{
if (value.canConvert<Sigcore::Fraction>())
{
m_typechart(index.row(), index.column()) = value.value<Sigcore::Fraction>();
emit(dataChanged(index, index));
return true;
}
}
return false;
}
void Sigmodr::TypechartModel::discarded()
{
emit(reset());
}
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