customtablemodel.cpp

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses

#include "customtablemodel.h"

#include <QtCore/QList>

#include <QtCore/QTime>

#include <QtCore/QRect>

#include <QtGui/QColor>

const QString categories[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Nov", "Dec"};

CustomTableModel::CustomTableModel(QObject *parent) :

    QAbstractTableModel(parent)

    m_columnCount = 6;

    m_rowCount = 5;

    QList<qreal> *dataVec_Jan = new QList<qreal>(m_rowCount);

    dataVec_Jan->insert(0, 3.0);

    dataVec_Jan->insert(1, 4.0);

    dataVec_Jan->insert(2, 4.4);

    dataVec_Jan->insert(3, 6.0);

    dataVec_Jan->insert(4, 7.0);

    m_data.append(dataVec_Jan);

    QList<qreal> *dataVec_Feb = new QList<qreal>(m_rowCount);

    dataVec_Feb->insert(0, 5.0);

    dataVec_Feb->insert(1, 6.0);

    dataVec_Feb->insert(2, 7.5);

    dataVec_Feb->insert(3, 8.0);

    dataVec_Feb->insert(4, 12.0);

    m_data.append(dataVec_Feb);

    QList<qreal> *dataVec_Mar = new QList<qreal>(m_rowCount);

    dataVec_Mar->insert(0, 3.0);

    dataVec_Mar->insert(1, 4.0);

    dataVec_Mar->insert(2, 5.7);

    dataVec_Mar->insert(3, 8.0);

    dataVec_Mar->insert(4, 9.0);

    m_data.append(dataVec_Mar);

    QList<qreal> *dataVec_Apr = new QList<qreal>(m_rowCount);

    dataVec_Apr->insert(0, 5.0);

    dataVec_Apr->insert(1, 6.0);

    dataVec_Apr->insert(2, 6.8);

    dataVec_Apr->insert(3, 7.0);

    dataVec_Apr->insert(4, 8.0);

    m_data.append(dataVec_Apr);

    QList<qreal> *dataVec_May = new QList<qreal>(m_rowCount);

    dataVec_May->insert(0, 4.0);

    dataVec_May->insert(1, 5.0);

    dataVec_May->insert(2, 5.2);

    dataVec_May->insert(3, 6.0);

    dataVec_May->insert(4, 7.0);

    m_data.append(dataVec_May);

    QList<qreal> *dataVec_Jun = new QList<qreal>(m_rowCount);

    dataVec_Jun->insert(0, 4.0);

    dataVec_Jun->insert(1, 7.0);

    dataVec_Jun->insert(2, 8.2);

    dataVec_Jun->insert(3, 9.0);

    dataVec_Jun->insert(4, 10.0);

    m_data.append(dataVec_Jun);

CustomTableModel::~CustomTableModel()

    qDeleteAll(m_data);

int CustomTableModel::rowCount(const QModelIndex &parent) const

    Q_UNUSED(parent);

    return m_rowCount;

int CustomTableModel::columnCount(const QModelIndex &parent) const

    Q_UNUSED(parent);

    return m_data.count();

QVariant CustomTableModel::headerData(int section, Qt::Orientation orientation, int role) const

    if (role != Qt::DisplayRole)

        return QVariant();

    if (orientation == Qt::Horizontal)

        return categories[section];

    else

        return QString("%1").arg(section + 1);

QVariant CustomTableModel::data(const QModelIndex &index, int role) const

    if (role == Qt::DisplayRole) {

        return m_data[index.column()]->at(index.row());

    } else if (role == Qt::EditRole) {

        return m_data[index.column()]->at(index.row());

    } else if (role == Qt::BackgroundRole) {

        for (auto 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 CustomTableModel::setData(const QModelIndex &index, const QVariant &value, int role)

    if (index.isValid() && role == Qt::EditRole) {

        m_data[index.column()]->replace(index.row(), value.toDouble());

        emit dataChanged(index, index);

        return true;

    return false;

Qt::ItemFlags CustomTableModel::flags(const QModelIndex &index) const

    return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;

void CustomTableModel::addMapping(QString color, QRect area)

    m_mapping.insert(color, area);