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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "modeldatamodel.h"
#include <QColor>
#include <QList>
#include <QRandomGenerator>
#include <QRect>
ModelDataModel::ModelDataModel(QObject *parent) :
QAbstractTableModel(parent)
{
m_columnCount = 4;
m_rowCount = 15;
// m_data
for (int i = 0; i < m_rowCount; i++) {
auto dataList = new QList<qreal>(m_columnCount);
for (int k = 0; k < dataList->size(); k++) {
if (k % 2 == 0)
dataList->replace(k, i * 50 + QRandomGenerator::global()->bounded(20));
else
dataList->replace(k, QRandomGenerator::global()->bounded(100));
}
m_data.append(dataList);
}
}
int ModelDataModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return m_data.count();
}
int ModelDataModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return m_columnCount;
}
QVariant ModelDataModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role != Qt::DisplayRole)
return QVariant();
if (orientation == Qt::Horizontal) {
if (section % 2 == 0)
return "x";
else
return "y";
} else {
return QString("%1").arg(section + 1);
}
}
QVariant ModelDataModel::data(const QModelIndex &index, int role) const
{
if (role == Qt::DisplayRole) {
return m_data[index.row()]->at(index.column());
} else if (role == Qt::EditRole) {
return m_data[index.row()]->at(index.column());
} else if (role == Qt::BackgroundRole) {
for (const QRect &rect : m_mapping) {
if (rect.contains(index.column(), index.row()))
return QColor(m_mapping.key(rect));
}
// cell not mapped return white color
return QColor(Qt::white);
}
return QVariant();
}
bool ModelDataModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if (index.isValid() && role == Qt::EditRole) {
m_data[index.row()]->replace(index.column(), value.toDouble());
emit dataChanged(index, index);
return true;
}
return false;
}
Qt::ItemFlags ModelDataModel::flags(const QModelIndex &index) const
{
return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
}
void ModelDataModel::addMapping(const QString &color, const QRect &area)
{
m_mapping.insert(color, area);
}
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